The Akashi-Kaikyō Bridge in Japan, the world's longest suspension span.

The Si-o-se Pol bridge over Zayandeh River is an example of Safavid dynasty (1502–1722) bridge design. Esfahan, Iran

A bridge is a structure built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing passage over the obstacle. Designs of bridges vary depending on the function of the bridge, the nature of the terrain where the bridge is constructed, the material used to make it and the funds available to build it.

Etymology[link]

The Oxford English Dictionary traces the origin of the word bridge to an Old English word brycg, of the same meaning, derived from the hypothetical Proto-Germanic root brugjō. There are cognates in other Germanic languages.

History[link]

Bamboo bridge over the Serayu River in Java, Indonesia (ca. 1910-40)

The Arkadiko Bridge in Greece (13th century BC), one of the oldest arch bridges in existence

An English 18th century example of an arch bridge in the Palladian style, with shops on the span: Pulteney Bridge, Bath

Roman bridge of Córdoba, Spain, built in the 1st century BC.^[1]

A log bridge in the French Alps near Vallorcine.

A Han Dynasty (202 BC – 220 AD) Chinese miniature model of two residential towers joined by a bridge

One of the most famous historical bridges in the world: Ponte Vecchio

Lomonosov Bridge in St. Petersburg

Stone arch bridge in Shaharah, Yemen

Primitive suspension bridge over the River Astore

Continuous under-deck truss bridge: Kingston-Rhinecliff Bridge.

Through truss bridge with steel girders and wooden carriageway

"Metrobridge" Vorobyovy Gory (ru:Метромост) double-deck bridge in Moscow carries the Moscow Metro

Old Bridge in Mostar, Bosnia and Herzegovina

Mehmed Paša Sokolović Bridge in Višegrad, Bosnia and Herzegovina

Abetxuko Bridge Unique truss bridge concept in Vitoria, Spain

The first bridges were made by nature itself — as simple as a log fallen across a stream or stones in the river. The first bridges made by humans were probably spans of cut wooden logs or planks and eventually stones, using a simple support and crossbeam arrangement. Some early Americans used trees or bamboo poles to cross small caverns or wells to get from one place to another. A common form of lashing sticks, logs, and deciduous branches together involved the use of long reeds or other harvested fibers woven together to form a connective rope capable of binding and holding together the materials used in early bridges.

The Arkadiko Bridge is one of four Mycenaean corbel arch bridges part of a former network of roads, designed to accommodate chariots, between Tiryns to Epidauros in the Peloponnese, in Greece. Dating to the Greek Bronze Age (13th century BC), it is one of the oldest arch bridges still in existence and use. Several intact arched stone bridges from the Hellenistic era can be found in the Peloponnese in southern Greece^[2]

The greatest bridge builders of antiquity were the ancient Romans.^[3] The Romans built arch bridges and aqueducts that could stand in conditions that would damage or destroy earlier designs. Some stand today.^[4] An example is the Alcántara Bridge, built over the river Tagus, in Spain. The Romans also used cement, which reduced the variation of strength found in natural stone.^[5] One type of cement, called pozzolana, consisted of water, lime, sand, and volcanic rock. Brick and mortar bridges were built after the Roman era, as the technology for cement was lost then later rediscovered.

The Arthashastra of Kautilya mentions the construction of dams and bridges.^[6] A Mauryan bridge near Girnar was surveyed by James Princep.^[7] The bridge was swept away during a flood, and later repaired by Puspagupta, the chief architect of emperor Chandragupta I.^[7] The bridge also fell under the care of the Yavana Tushaspa, and the Satrap Rudra Daman.^[7] The use of stronger bridges using plaited bamboo and iron chain was visible in India by about the 4th century.^[8] A number of bridges, both for military and commercial purposes, were constructed by the Mughal administration in India.^[9]

Although large Chinese bridges of wooden construction existed at the time of the Warring States, the oldest surviving stone bridge in China is the Zhaozhou Bridge, built from 595 to 605 AD during the Sui Dynasty. This bridge is also historically significant as it is the world's oldest open-spandrel stone segmental arch bridge. European segmental arch bridges date back to at least the Alconétar Bridge (approximately 2nd century AD), while the enormous Roman era Trajan's Bridge (105 AD) featured open-spandrel segmental arches in wooden construction.

Rope bridges, a simple type of suspension bridge, were used by the Inca civilization in the Andes mountains of South America, just prior to European colonization in the 16th century.

During the 18th century there were many innovations in the design of timber bridges by Hans Ulrich, Johannes Grubenmann, and others. The first book on bridge engineering was written by Hubert Gautier in 1716. A major breakthrough in bridge technology came with the erection of the Iron Bridge in Coalbrookdale, England in 1779. It used cast iron for the first time as arches to cross the river Severn.

With the Industrial Revolution in the 19th century, truss systems of wrought iron were developed for larger bridges, but iron did not have the tensile strength to support large loads. With the advent of steel, which has a high tensile strength, much larger bridges were built, many using the ideas of Gustave Eiffel.

In 1927 welding pioneer Stefan Bryła designed the first welded road bridge in the world, which was later built across the river Słudwia Maurzyce near Łowicz, Poland in 1929. In 1995, the American Welding Society presented the Historic Welded Structure Award for the bridge to Poland.^[10]

Types of bridges[link]

There are six main types of bridges: beam bridges, cantilever bridges, arch bridges, suspension bridges, cable-stayed bridges and truss bridges.

Beam bridges[link]

Beam bridges are horizontal beams supported at each end by abutments, hence their structural name of simply supported. When there is more than one span the intermediate supports are known as piers. The earliest beam bridges were simple logs that sat across streams and similar simple structures. In modern times, beam bridges are large box steel girder bridges. Weight on top of the beam pushes straight down on the abutments at either end of the bridge.^[11] They are made up mostly of wood or metal. Beam bridge spans typically do not exceed 250 feet (76 m) long, as the strength of a span decreases with increased length. However, the main span of the Rio-Niteroi Bridge, a box girder bridge, is 300 metres (980 ft). The world's longest beam bridge is Lake Pontchartrain Causeway in southern Louisiana in the United States, at 23.83 miles (38.35 km), with individual spans of 56 feet (17 m).^[12]

Cantilever bridges[link]

Cantilever bridges are built using cantilevers—horizontal beams supported on only one end. Most cantilever bridges use a pair of continuous spans that extend from opposite sides of the supporting piers to meet at the center of the obstacle the bridge crosses. Cantilever bridges are constructed using much the same materials & techniques as beam bridges. The difference comes in the action of the forces through the bridge. The largest cantilever bridge is the 549-metre (1,801 ft) Quebec Bridge in Quebec, Canada.

Arch bridges[link]

Arch bridges have abutments at each end. The weight of the bridge is thrust into the abutments at either side. The earliest known arch bridges were built by the Greeks, and include the Arkadiko Bridge.

With the span of 220 metres (720 ft), the Solkan Bridge over the Soča River at Solkan in Slovenia is the second largest stone bridge in the world and the longest railroad stone bridge. It was completed in 1905. Its arch, which was constructed from over 5,000 tonnes (4,900 long tons; 5,500 short tons) of stone blocks in just 18 days, is the second largest stone arch in the world, surpassed only by the Friedensbrücke (Syratalviadukt) in Plauen, and the largest railroad stone arch. The arch of the Friedensbrücke, which was built in the same year, has the span of 90 m (300 ft) and crosses the valley of the Syrabach River. The difference between the two is that the Solkan Bridge was built from stone blocks, whereas the Friedensbrücke was built from a mixture of crushed stone and cement mortar.^[13]

Dubai in the United Arab Emirates is currently building the Sheikh Rashid bin Saeed Crossing, which is scheduled for completion in 2012. When completed, it will be the largest arch bridge in the world, with a main span 667 metres (2,188 ft) long.^[14]

Tied arch bridges[link]

Tied arch bridges have an arch-shaped superstructure, but differ from conventional arch bridges. Instead of transferring the weight of the bridge and traffic loads into thrust forces into the abutments, the ends of the arches are restrained by tension in the bottom chord of the structure. They are also called bowstring arches.

Suspension bridges[link]

Suspension bridges are suspended from cables. The earliest suspension bridges were made of ropes or vines covered with pieces of bamboo. In modern bridges, the cables hang from towers that are attached to caissons or cofferdams. The caissons or cofferdams are implanted deep into the floor of a lake or river. The longest suspension bridge in the world is the 12,826 feet (3,909 m) Akashi Kaikyo Bridge in Japan.^[15] See simple suspension bridge, stressed ribbon bridge, underspanned suspension bridge, suspended-deck suspension bridge, and self-anchored suspension bridge.

Cable-stayed bridges[link]

Cable-stayed bridges, like suspension bridges, are held up by cables. However, in a cable-stayed bridge, less cable is required and the towers holding the cables are proportionately shorter.^[16] The first known cable-stayed bridge was designed in 1784 by C.T. Loescher.^[17] The longest cable-stayed bridge is the Sutong Bridge over the Yangtze River in China.

Movable bridges[link]

Movable bridges are designed to move out of the way of boats or other kinds of traffic, which would otherwise be too tall to fit. These are generally electrically powered.

Double-decked bridges[link]

Double-decked or double-decker bridges have two levels, such as the San Francisco – Oakland Bay Bridge, with two road levels. Tsing Ma Bridge and Kap Shui Mun Bridge in Hong Kong have six lanes on their upper decks, and on their lower decks there are two lanes and a pair of tracks for MTR metro trains. Some double-decker bridges only use one level for street traffic; the Washington Avenue Bridge in Minneapolis reserves its lower level for automobile traffic and its upper level for pedestrian and bicycle traffic (predominantly students at the University of Minnesota). Likewise, in Toronto, the Prince Edward Viaduct has five lanes of motor traffic, bicycle lanes, and sidewalks on its upper deck; and a pair of tracks for the Bloor–Danforth subway line on its lower deck.

Robert Stephenson's High Level Bridge across the River Tyne in Newcastle upon Tyne, completed in 1849, is an early example of a double-deck bridge. The upper level carries a railway, and the lower level is used for road traffic. Other examples include Britannia Bridge over the Menai Strait and Craigavon Bridge in Derry, Northern Ireland. The Oresund Bridge between Copenhagen and Malmö consists of a four-lane highway on the upper level and a pair of railway tracks at the lower level. The George Washington Bridge between New Jersey and New York has two roadway levels. It was built with only the upper roadway as traffic demands did not require more capacity. A truss work between the roadway levels provides stiffness to the roadways and reduced movement of the upper level when installed. Tower Bridge is different example of a double-decker bridge, with the central section consisting of a low level bascule span and a high level footbridge. The George Washington bridge is also the most used bridge in the world.

Old Yamuna Bridge (Delhi) or Bridge No. 249 in technical railway parlance, was constructed in 1866 by the East India Railway at a cost of £16,16,335. It was built with a total length of 2,640 feet (800 m) and consisted of 12 spans of 202.5 feet (61.7 m) each. With the completion of this bridge, two principal cities of North India, Kolkata and Delhi, were connected by the railways; this being the last link of the trunk line on this route. In 1913, this was converted into a double line by adding down line girders of 12 spans of 202 feet (62 m) each and 2 end spans of 42 feet (13 m) to the bridge. For the movement of road traffic, two road bridges were provided below the lines. The entry of trains into Delhi Junction Railway station, in such close proximity to the Red Fort, never ceases to impress the rail traveler,^{[citation needed]} reminding all that after the Uprising of 1857, Delhi was a fortified city. The old Yamuna Bridge has an identical twin, a bridge further downstream at Naini on the Allahabad — Mughalsarai section of the now North Central Railways.

By use[link]

A bridge is designed for trains, pedestrian or road traffic, a pipeline or waterway for water transport or barge traffic. An aqueduct is a bridge that carries water, resembling a viaduct, which is a bridge that connects points of equal height. A road-rail bridge carries both road and rail traffic.

Bridges are subject to unplanned uses as well. The areas underneath some bridges have become makeshift shelters and homes to homeless people, and the undersides of bridges all around the world are spots of prevalent graffiti. Some bridges attract people attempting suicide, and become known as suicide bridges.

To create a beautiful image, some bridges are built much taller than necessary. This type, often found in east-Asian style gardens, is called a Moon bridge, evoking a rising full moon. Other garden bridges may cross only a dry bed of stream washed pebbles, intended only to convey an impression of a stream. Often in palaces a bridge will be built over an artificial waterway as symbolic of a passage to an important place or state of mind. A set of five bridges cross a sinuous waterway in an important courtyard of the Forbidden City in Beijing, China. The central bridge was reserved exclusively for the use of the Emperor, Empress, and their attendants.

By material[link]

Until the end of the 18th Century, bridges were made out of timber, stone and masonry. Modern bridge are currently built in concrete, steel, fiber reinforced polymers (FRP), stainless steel or combinations of those materials. The Iron Bridge completed in 1779 was the first cast iron bridge.

Structure[link]

Bridges may be classified by how the forces of tension, compression, bending, torsion and shear are distributed through their structure. Most bridges will employ all of the principal forces to some degree, but only a few will predominate. The separation of forces may be quite clear. In a suspension or cable-stayed span, the elements in tension are distinct in shape and placement. In other cases the forces may be distributed among a large number of members, as in a truss, or not clearly discernible to a casual observer as in a box beam. Bridges can also be classified by their lineage, which is shown as the vertical axis on the diagram.^{[clarification needed]}

Efficiency[link]

A bridge's structural efficiency is the ratio of load carried to bridge weight, given a specific set of material types. In one common challenge students are divided into groups and given a quantity of wood sticks, a distance to span, and glue, and then asked to construct a bridge that will be tested to destruction by the progressive addition of load at the center of the span. The bridge taking the greatest load is by this test the most structurally efficient. A more refined measure for this exercise is to weigh the completed bridge rather than measure against a fixed quantity of materials provided and determine the multiple of this weight that the bridge can carry, a test that emphasizes economy of materials and efficient glue joints (see balsa wood bridge).

A bridge's economic efficiency will be site and traffic dependent, the ratio of savings by having a bridge (instead of, for example, a ferry, or a longer road route) compared to its cost. The lifetime cost is composed of materials, labor, machinery, engineering, cost of money, insurance, maintenance, refurbishment, and ultimately, demolition and associated disposal, recycling, and replacement, less the value of scrap and reuse of components. Bridges employing only compression are relatively inefficient structurally, but may be highly cost efficient where suitable materials are available near the site and the cost of labor is low. For medium spans, trusses or box beams are usually most economical, while in some cases, the appearance of the bridge may be more important than its cost efficiency. The longest spans usually require suspension bridges.

Juscelino Kubitschek bridge in Brasília, Brazil

Other functions[link]

Some bridges accommodate other purposes, such as the tower of Nový Most Bridge in Bratislava, which features a restaurant. Other suspension bridge towers carry transmission antennas.

A bridge can carry overhead power lines as does the Storstrøm Bridge.

Costs and cost overruns frequently occur in bridge construction. Flyvbjerg et al. (2003) found the average cost overrun in bridge building is 34%.^[18]

In railway parlance, an overbridge is a bridge crossing over the course of the railway. In contrast, an underbridge allows passage under the line.

Bridge failures[link]

The failure of bridges is of special concern for structural engineers in trying to learn lessons vital to bridge design, construction and maintenance. The failure of bridges first assumed national interest during the Victorian era when many new designs were being built, often using new materials.

In the United States, the National Bridge Inventory tracks the structural evaluations of all bridges, including designations such as "structurally deficient" and "functionally obsolete".

Bridge monitoring[link]

There are several methods used to monitor the stress on large structures like bridges. The most common method is the use of an accelerometer, which is integrated into the bridge while it is being built. This technology is used for long-term surveillance of the bridge.^[19]

Another option for structural-integrity monitoring is "non-contact monitoring", which uses the Doppler effect (Doppler shift). A laser beam from a Laser Doppler Vibrometer is directed at the point of interest, and the vibration amplitude and frequency are extracted from the Doppler shift of the laser beam frequency due to the motion of the surface.^[20] The advantage of this method is that the setup time for the equipment is faster and, unlike an accelerometer, this makes measurements possible on multiple structures in as short a time as possible. Additionally, this method can measure specific points on a bridge that might be difficult to access.

Visual index[link]

See list of bridge types

See also[link]

References[link]

Notes

Bibliography

• Brown, David J. Bridges: Three Thousand Years of Defying Nature. Richmond Hill, Ont: Firefly Books, 2005. ISBN 1-55407-099-6.
• Sandak, Cass R. Bridges. An Easy-read modern wonders book. New York: F. Watts, 1983. ISBN 0-531-04624-9.
• Whitney, Charles S. Bridges of the World: Their Design and Construction. Mineola, NY: Dover Publications, 2003. ISBN 0-486-42995-4 (Unabridged republication of Bridges : a study in their art, science, and evolution. 1929.)
• Dikshitar, V. R. R. Dikshitar (1993). The Mauryan Polity. Motilal Banarsidass. ISBN 81-208-1023-6.
• Dutt, Romesh Chunder (2000). A History of Civilisation in Ancient India: Vol II. Routledge. ISBN 0-415-23188-4.
• Nath, R. (1982). History of Mughal Architecture. Abhinav Publications. ISBN 81-7017-159-8.
• Kinney, A. R.; el al. (2003). Worshiping Siva and Buddha: The Temple Art of East Java. University of Hawaii Press. ISBN 0-8248-2779-1.
• Buck, William; el al. (2000). Ramayana. University of California Press. ISBN 0-520-22703-4

External links[link]

Wikisource has the text of the 1911 Encyclopædia Britannica article Bridges.

Find more about Bridge on Wikipedia's sister projects:
	Definitions and translations from Wiktionary
	Images and media from Commons
	Learning resources from Wikiversity
	News stories from Wikinews
	Quotations from Wikiquote
	Source texts from Wikisource
	Textbooks from Wikibooks

• Digital Bridge: Bridges of the Nineteenth Century, a collection of digitized books at Lehigh University
• Structurae - International Database and Gallery of Engineerings Structures with over 10000 Bridges.
• U.S. Federal Highway Administration Bridge Technology
• Bridge enthusiast site
• Video on how bridges are made (Grade school level educational film by National Association of Manufactures.)
• The Museum of Japanese Timber Bridges Fukuoka University
• "en.Broer.no": site for bridges
• [2] (CNN) 24 of the World's Most Amazing Bridges -retrieved 30 Apr 2011
• Amazing footage of strangler figs made into "living bridges." [3]

v t e Bridge-related articles Types of bridges Moveable bridge Beam bridge Burr Truss Cantilever bridge Arch bridge Suspension bridge Timber bridge Cable-stayed bridge Truss bridge Visual index to various types Lists of bridges List of bridges By length Longest suspension bridge spans Largest cable-stayed bridges Longest cantilever bridges Longest continuous truss bridges Arch bridges Highest Tallest Bridge failures

Wiz Khalifa
Wiz Khalifa in Brooklyn, New York in August 2009.
Background information
Birth name	Cameron Jibril Thomaz
Born	(1987-09-08) September 8, 1987 (age 24) Minot, North Dakota, United States
Genres	Hip hop
Occupations	Rapper, singer, songwriter, actor
Years active	2005–present
Labels	Rostrum, Taylor Gang, Warner Bros., Atlantic
Associated acts	Snoop Dogg, Rick Ross, Curren$y, Big Sean, Chevy Woods, Mac Miller, Juicy J, Tinie Tempah, Yelawolf, Maroon 5, Big K.R.I.T.
Website	wizkhalifa.com

Cameron Jibril Thomaz (born September 8, 1987), better known by the stage name Wiz Khalifa, is an American rapper. He released his debut album, Show and Prove, in 2006, and signed to Warner Bros. Records in 2007. His Eurodance-influenced single, "Say Yeah", received urban radio airplay, charting on the Rhythmic Top 40 and Hot Rap Tracks charts in 2008.^[1] Khalifa parted with Warner Bros. and released his second album, Deal or No Deal, in November 2009. He released the mixtape Kush and Orange Juice as a free download in April 2010; he then signed with Atlantic Records.^[2] He is also well known for his debut single for Atlantic, "Black and Yellow", which peaked at number 1 on the Billboard Hot 100. His debut album for the label, Rolling Papers, was released on March 29, 2011.^[3]

Early life[link]

Khalifa was born on September 8, 1987 to a mother and a father serving in the military.^[1][4] His parents divorced when Khalifa was about three years old. His parents' military service caused him to move regularly: Khalifa lived in Germany, the United Kingdom, and Japan before settling in Pittsburgh where he attended Taylor Allderdice High School.^[1][4]

His stage name is derived from khalifa, an Arabic word meaning "successor", and wisdom, which was shortened to Wiz when Khalifa was a young boy .^[5] Khalifa stated to spinner.com that the name also came from being called "young Wiz 'cause I was good at everything I did, and my granddad is Muslim, so he gave me that name; he felt like that's what I was doing with my music." He got his stage name tattooed on his 17th birthday.^[6][7] He includes Jimi Hendrix, Camp Lo, The Notorious B.I.G. and Bone Thugs-n-Harmony among his influences.^[8]

Career[link]

[edit] 2005–08: Early mixtapes and Show and Prove

Rostrum Records president Benjy Grinberg first heard about Wiz Khalifa in 2004 when the rapper's contribution to a mixtape of various new Pittsburgh artists attracted his interest.^[9] When Grinberg finally met the 16-year-old artist, he immediately decided he wanted to work with him, later telling HitQuarters: "Even though he wasn’t all the way developed you could just tell that he was a diamond in the rough, and that with some polishing, guidance and backing he could become something special."^[9] Khalifa signed to the label shortly after and began a seven year period of artist development.^[9]

Khalifa released his first mixtape, Prince of the City: Welcome to Pistolvania, in 2005. The mixtape paved the way for his first full length album entitled Show and Prove in 2006. Khalifa was declared an "artist to watch" that year in Rolling Stone magazine.^[10][11]

In 2007, Khalifa signed to Warner Bros. Records and released two mixtapes through Rostrum Records: Grow Season, hosted by DJ Green Lantern and released on July 4, 2007, and Prince of the City 2, released on November 20, 2007. His debut Warner Bros. single "Say Yeah" reached number 25 on the Billboard Rhythmic Top 40 music chart and number 20 on Billboard's Hot Rap Tracks. The song samples "Better Off Alone" by Alice Deejay. Khalifa's vocals from "Say Yeah" appear near the end of Pittsburgh mash up producer Girl Talk's 2008 album, Feed the Animals, over music from Underworld's "Born Slippy", Usher's "Love in This Club", and the Cure's "In Between Days".^[12] Khalifa appeared with The Game, David Banner and Play-n-Skillz at U92's Summer Jam at the USANA Amphitheatre in West Valley City, Utah on August 2, 2008.^[13] Khalifa released the mixtapes Star Power in September 2008, and Flight School in April 2009 on Rostrum Records.

Khalifa parted ways with Warner Bros. Records in July 2009 after numerous delays in releasing his planned debut album for the label, First Flight. Khalifa stated to the Pittsburgh Post-Gazette that, "I learned a lot during my time there and matured as an artist during the process. I'm happy to be moving on with all of my material and having the chance to be in control of my next moves".^[14] Khalifa appeared with Girl Talk, Modey Lemon, Donora, Grand Buffet, and Don Caballero at the Amphitheatre at Station Square in Pittsburgh on July 31, 2009, where he announced that his relationship with Warner Bros. was over.^[15]

Wiz Khalifa performing at Columbia University in New York City in April 2010.

[edit] 2009–10: Deal or No Deal

Continuing his association with Rostrum Records, Khalifa released the single "Teach U to Fly", and the mixtape How Fly, a collaboration with New Orleans rapper Curren$y, on August 9, 2009.^[14] Khalifa introduced a more melodic style on the mixtape, alternating between singing and rapping. He opened for Wu-Tang Clan member U-God at the 2009 CMJ Music Marathon in New York City.^[16] Khalifa released the mixtape Burn After Rolling on November 2, 2009, where he raps over familiar beats from other artists, including the songs "If I Were A Boy" and "Diva" by Beyoncé, "Walking on a Dream" by Empire of the Sun, "Luchini AKA This Is It" by Camp Lo, and "Best I Ever Had" by Drake.^[17] Khalifa released his second album, Deal or No Deal, on November 24, 2009.^[18]

Khalifa performed at Emo's in Austin, Texas in March 2010 as part of the 2010 South by Southwest Music Festival.^[19] He appeared on the cover of XXL magazine that same month, for the magazine's annual list of Top 10 Freshman, which included Donnis, J. Cole, Pill, Freddie Gibbs, and Fashawn. Wiz Khalifa was named 2010 "Rookie Of The Year" by "The Source", with alongside Rick Ross, "The Man Of The Year".^[20] He toured with rapper Yelawolf on a 20-date tour, the Deal Or No Deal Tour.^[21] Khalifa released the free mixtape Kush and Orange Juice for download on April 14, 2010. Due to Khalifa's devoted grassroots fan base, the mixtape became the No. 1 trending topic on Twitter with the hash tag #kushandorangejuice, and "Kush and Orange Juice download” ranked No. 1 on Google’s hot search trends.^[22]

2010: Signing with Atlantic Records[link]

Citing music industry insiders, New York magazine wrote that Khalifa signed with Atlantic Records in April 2010, although the rapper did not confirm it.^[23] He stated to AllHipHop in June 2010 that he was working on a new album, but was weighing his options and had not yet decided on a label to distribute it.^[24] Khalifa confirmed to MTV on July 30 that he was signing an Atlantic Records deal.^[25]

Wiz Khalifa on stage in Boston in August 2010.

Khalifa was featured in a remix and video for the 2010 Rick Ross single "Super High", alongside Curren$y.^[26] He guested on the mixtape Grey Goose, Head Phones, and Thirsty Women by St. Louis rapper M.C,^[27] and was featured on the track "The Breeze (Cool)" on rapper Wale's August 2010 mixtape More About Nothing.^[28] Khalifa was named MTV's Hottest Breakthrough MC of 2010, winning with nearly 70,000 votes, and beating out finalists Nicki Minaj, J. Cole, Travis Porter, and Diggy Simmons.^[29]

Khalifa appeared at the Soundset 2010 festival in May 2010 in Minneapolis, Minnesota, alongside Method Man & Redman, Del the Funky Homosapien and Hieroglyphics, Atmosphere, Murs, Cage, and others.^[30] He also performed at the 2010 Rock the Bells festival, along with hip hop veterans Wu-Tang Clan, Snoop Dogg, Lauryn Hill, A Tribe Called Quest, Rakim, KRS-One, Jedi Mind Tricks and Slick Rick.^[31] Khalifa declined an invitation to tour with rapper Drake and launched his own "Waken Baken" tour, a 50-city national tour with rapper Yelawolf. The tour, scheduled to last from September to November 2010, has, as of October, sold out every venue.^[8] On November 2010, during his "Waken Baken" tour at East Carolina University, Wiz Khalifa was arrested for possession and trafficking of marijuana. He was then released the next morning after a $300K bail, and resumed his tour. Khalifa performed in a cypher during the 2010 BET Hip-Hop Awards. He recited his verse from the song, "The Check Point", from his mixtape with Curren$y, How Fly.^[32]

[edit] 2010–11: Mainstream success and Rolling Papers

Wiz Khalifa at SXSW in 2010

Khalifa released "Black and Yellow", his first single for Rostrum/Atlantic, produced by Stargate, which has received radio airplay.^[8][33] The single was peaked at number 1 on the Billboard Hot 100; the title of the song refers to the colours of the City of Pittsburgh.^[34] Khalifa released his debut album with Atlantic Records in 2011.^[35] He appeared with Curren$y on the track "Scaling the Building" on producer Ski Beatz' 2010 album, 24 Hour Karate School.^[36] Khalifa's record label is Taylor Gang Records, named after his love of Chuck Taylor All-Stars^[8], and Taylor Allderdice High School in Pittsburgh, PA, where he graduated from.

On March 29, 2011, Khalifa released his first studio album, Rolling Papers. The album debuted at number two on the US Billboard 200 chart, with first-week sales of 197,000 copies in the United States.^[37] Shortly afterward on March 31, 2011 Wiz Khalifa performed at Emory University in Atlanta, Georgia as part of the school's annual Dooley's Weekend.^[38] On June 26, 2011, Khalifa was nominated and won Best New Artist at the BET Awards of 2011.^[39] Khalifa collaborated with British rapper Tinie Tempah whom Tinie announced in an interview with Rolling Stone that his next single is to be called "Till I'm Gone" and would feature Wiz Khalifa and is to be produced by Stargate.^[40][41] The single and the video song were released at the end of June 2011.^[42]

Personal life[link]

Thomaz proposed to model Amber Rose on March 1, 2012 showing off the ring on Twitter.^[43] He is personal friends with Snoop Dogg, Juicy J, Yelawolf, and fellow Pittsburgh rapper Mac Miller.^[44]

In March 2012, Thomaz purchased a 2.8 private wooded acres with a 3,891-square-foot residence in Canonsburg, Pennsylvania, a small community southwest of Pittsburgh. The residence includes 5-bedroom, 4-bath eco-friendly, Brazilian Koa floors, stainless steel appliances, a separate guest house, and a lavish master suite with high ceilings.^[45] He currently resides there with his fiancée Amber Rose.

Discography[link]

Studio albums

• 2006: Show and Prove
• 2009: Deal or No Deal
• 2011: Rolling Papers
• 2012: O.N.I.F.C. ^[11][46][47]

Collaborative albums

• 2011: Mac & Devin Go to High School (with Snoop Dogg)
• 2012: TBA (with Taylor Gang)

Awards and nominations[link]

References[link]

External links[link]

Wikimedia Commons has media related to: Wiz Khalifa

• Official website
• Wiz Khalifa on Facebook
• Wiz Khalifa on Myspace
• Wiz Khalifa on Twitter
• Wiz Khalifa at MTV
• Non-commercial Wiz Khalifa mixtapes

Snoop Dogg
Snoop Dogg performing at the Snoop Dogg Supafest in April 2011.
Background information
Birth name	Calvin Cordozar Broadus, Jr.
Born	(1971-10-20) October 20, 1971 (age 40)
Origin	Long Beach, California, United States
Genres	Hip hop
Occupations	Rapper
Years active	1992–present
Labels	Death Row, No Limit, Priority, Star Trak, Geffen, Doggystyle
Associated acts	Tha Dogg Pound, Tha Eastsidaz, 213, Dr. Dre, Warren G, Nate Dogg, 2Pac, Pharell, R. Kelly, Ice Cube, Akon, Game, Brandy Norwood, Eminem, Wiz Khalifa
Website	snoopdogg.com

Calvin Cordozar Broadus, Jr. (born October 20, 1971), better known by his stage name Snoop Dogg (formerly known as Snoop Doggy Dogg), is an American rapper, record producer, and actor. Snoop is best known as a rapper in the West Coast hip hop scene, and for being one of Dr. Dre's most notable protégés. Snoop Dogg was a Crip gang member while in high school. Shortly after graduation, he was arrested for cocaine possession and spent six months in Wayside County Jail. His music career began in 1992 after his release when he was discovered by Dr. Dre. He collaborated on several tracks on Dre's solo debut, The Chronic and on the titular theme song to the film Deep Cover.

Snoop's debut album Doggystyle, was released in 1993 under Death Row Records making a debut at No.1 on both the Billboard 200 and R&B charts. Selling almost a million copies in the first week of its release, Doggystyle quickly became certified 4× platinum in 1994 and spawned several hit singles, including "What's My Name" and "Gin & Juice". In 1994, Snoop released a soundtrack on Death Row Records for the short film Murder Was The Case, starring himself. In early 1996, Snoop Dogg was cleared of charges over his bodyguard's 1993 murder of Philip Woldemariam. His second album, late 1996's Tha Doggfather, also debuted at No.1 on both charts with "Snoop's Upside Ya Head" as the lead single. The album sold only half as well, being certified double platinum in 1997.

Tha Doggfather was his last release for Death Row before he signed with No Limit Records, where he recorded his next three albums. Da Game Is to Be Sold, Not to Be Told in 1998, No Limit Top Dogg in 1999 (making it his last album of the 90s), and Tha Last Meal in 2000, which was his last No Limit Records album. Snoop then signed with Priority/Capitol/EMI Records in 2002, where he released his album Paid tha Cost to Be da Boss. Then he signed with Geffen Records in 2004 for his next three albums R&G (Rhythm & Gangsta): The Masterpiece, Tha Blue Carpet Treatment, and Ego Trippin'. Malice 'n Wonderland (2009) and Doggumentary (2011), his most recent release, were on Priority.

In addition to music, Snoop Dogg has starred in motion pictures and hosted several television shows: Doggy Fizzle Televizzle, Snoop Dogg's Father Hood and Dogg After Dark. He also coaches a youth football league and high school football team. He has run into many legal troubles, some of which caused him to be legally banned from the UK and Australia, although the UK ban was later reversed after a long legal battle.^[1] He is the cousin of Nate Dogg, Daz Dillinger, RBX and Lil' ½ Dead and the cousin of R&B singers Brandy and Ray J. Starting September 2009, Snoop was hired by EMI as the chairman of a reactivated Priority Records.^[2]

Life and career[link]

Early life[link]

Named after his stepfather, Calvin Cordozar Broadus, Sr. (December 10, 1948 – November 9, 1985, Los Angeles), Calvin Broadus was born October 20, 1971 at the Los Altos Hospital in Long Beach, California, the second of three sons of Beverly Broadus (née Tate; born April 27, 1951, McComb, Mississippi).^[3][4][5] His father, Vernall Varnado (born December 13, 1949, Magnolia, Mississippi),^[3] was a Vietnam veteran, singer, and mail carrier who was said to be frequently absent from his life.^[6] Broadus' parents nicknamed him "Snoopy" as a child because of his appearance, but usually addressed him as Calvin at home.^[7][8] His mother and stepfather divorced in 1975. At an early age, Broadus began singing in Golgotha Trinity Baptist Church and playing piano; when he was in sixth grade, he began rapping.^[9][10] He attended Long Beach Polytechnic High School, and was convicted for cocaine possession, serving six months at the Wayside County Jail.^[7]

As a teenager, Snoop Dogg frequently ran into trouble with the law. Snoop Dogg was a member of the Rollin' 20 Crips gang in the Eastside of Long Beach,^[11][12] although he stated in 1993 that he never joined a gang.^[9] Shortly after graduating from high school, he was arrested for possession of cocaine.^[7] Snoop Dogg's conviction caused him to be frequently in and out of prison for the first three years after he graduated from high school. Snoop, along with his cousins Nate Dogg and Lil' ½ Dead and friend Warren G, recorded home made tapes as a group called 213, named after the Long Beach area code at the time. One of his early solo freestyles over En Vogue's "Hold On" had made it to a mixtape which was heard by influential producer Dr. Dre, who phoned to invite him to an audition. Former N.W.A member The D.O.C. taught him how to structure his lyrics and separate the thematics into verses, hooks and chorus.^[13]

[edit] 1992–93: Doggystyle

When he began recording, Broadus took the stage name Snoop Doggy Dogg. Dr. Dre began working with Snoop Dogg, first on the theme song of the 1992 film Deep Cover, and then on Dr. Dre's debut solo album The Chronic with the other members of his former starting group, Tha Dogg Pound. The huge success of Snoop Dogg's debut Doggystyle was partially because of this intense exposure.^[7]

To fuel the ascendance of West Coast G-funk hip hop, the singles "Who Am I (What's My Name)?" and "Gin and Juice" reached the top ten most-played songs in the United States, and the album stayed on the Billboard charts for several months.^[7] Gangsta rap became the center of arguments for censorship and labeling, with Snoop Dogg often used as an example of violent and misogynistic musicians.^[14] Doggystyle, much like The Chronic, featured a host of rappers signed to or affiliated with the Death Row label including Daz Dillinger, Kurupt, Nate Dogg and others. Rolling Stone music critic Touré asserted that Snoop had a relatively soft vocal delivery compared to other rappers: "Snoop's vocal style is part of what distinguishes him: where many rappers scream, figuratively and literally, he speaks softly."^[9]

A short film about Snoop Dogg's murder trial called Murder Was The Case, was released in 1994, along with an accompanying soundtrack. On July 6, 1995, Doggy Style Records, Inc., a record label founded by Snoop Dogg, was registered with the California Secretary of State as business entity number C1923139.^[15]

[edit] 1996–97: Tha Doggfather

After Snoop Dogg was acquitted of murder charges on February 20, 1996, he and the mother of his son and their kennel of 20 pit bulls moved into a 5,000-square-foot (460 m²) home in the hills of Claremont, California and by August 1996 Doggy Style Records, a subsidiary of Death Row Records, signed The Gap Band's Charlie Wilson as one of the record label's first artists.^[16]

However, by the time Snoop Dogg's second album, Tha Doggfather, was released in November 1996, the price of living (or sometimes just imitating) the gangsta life had become very evident. Among the many notable hip hop industry deaths and convictions were the death of Snoop Dogg's friend and labelmate 2Pac and the racketeering indictment of Death Row co-founder Suge Knight.^[7] Dr. Dre had left Death Row earlier in 1996 because of a contract dispute, so Snoop Dogg co-produced Tha Doggfather with Daz Dillinger and DJ Pooh.

This album featured a distinct change of style as compared to Doggystyle, and the leadoff single, "Snoop's Upside Ya Head", featured a collaboration with Gap Band frontman Charlie Wilson. While the album sold reasonably well, it was not as successful as its predecessor. However, Tha Doggfather had a somewhat softer approach to the G-funk style. The immediate aftermath of Dr. Dre's withdrawal from Death Row Records, realizing that he was subject to an iron-clad time-based contract (i.e., that Death Row practically owned anything he produced for a number of years), Snoop Dogg refused to produce any more tracks for Suge Knight, other than the insulting "Fuck Death Row", until his contract expired.^[11] In an interview with Neil Strauss in 1998, Snoop Dogg stated that though he had been given lavish gifts by his former label they had withheld royalty payments to the artist.^[17]

Stephen Thomas Erlewine of Allmusic said that after Tha Doggfather, Snoop Dogg began "moving away from his gangsta roots toward a calmer lyrical aesthetic":^[7] for instance, Snoop participated in the 1997 Lollapalooza concert tour, which featured mainly alternative rock music. Troy J. Augusto of Variety noticed that Snoop's set at Lollapalooza attracted "much dancing, and, strangely, even a small mosh pit" in the audience.^[18]

[edit] 1998–2000: No Limit, Top Dogg and Tha Last Meal

Snoop signed with Master P's No Limit Records (distributed by Priority/EMI Records) in 1998 and debuted on the label with Da Game Is to Be Sold, Not to Be Told that year. His other albums from No Limit were No Limit Top Dogg in 1999 (selling over 1,503,865 copies) and Tha Last Meal in 2000 (selling over 1,000,000).^[7] In 2001, his autobiography, Tha Doggfather, was published.

[edit] 2002: Paid tha Cost to Be da Bo$$

In 2002 he released the album Paid tha Cost to Be da Bo$$, on Priority/Capitol/EMI Records, selling over 1,300,000 copies. The album featured the hit singles "From tha Chuuuch to da Palace" and "Beautiful", featuring guest vocals by Pharrell. By this stage in his career, Snoop Dogg had left behind his "gangster" image and embraced a "pimp" image.

[edit] 2004–05: R&G (Rhythm & Gangsta): The Masterpiece

In 2004, Snoop signed to Geffen Records/Star Trak Entertainment both of which are distributed through Interscope Records; Star Trak is headed by producer duo The Neptunes, which produced several tracks for Snoop's 2004 release R&G (Rhythm & Gangsta): The Masterpiece. "Drop It Like It's Hot" (featuring Pharrell), the first single released from the album, was a hit and became Snoop Dogg's first single to reach number one. His third release was "Signs", featuring Justin Timberlake and Charlie Wilson, which entered the UK chart at #2. This was his highest entry ever in the UK chart. The album sold 1,724,000 copies in the U.S. alone, and most of its singles were heavily played on radio and television. Snoop Dogg joined Warren G and Nate Dogg to form the group 213 and released album The Hard Way in 2004. Debuting at No.4 on the Billboard 200 and No.1 on the Top R&B/Hip-Hop Albums, it included single "Groupie Luv". Together with fellow rappers Lil' Jon, Xzibit and David Banner, Snoop Dogg appeared in the music video for Korn's "Twisted Transistor".

[edit] 2006: Tha Blue Carpet Treatment

Snoop Dogg's appeared on two tracks from Ice Cube's 2006 album Laugh Now, Cry Later, including the single "Go to Church", and on several tracks on Tha Dogg Pound's Cali Iz Active the same year. Also, his latest song, "Real Talk", was leaked over the Internet in the summer of 2006 and a video was later released on the Internet. "Real Talk" was a dedication to former Crips leader Stanley "Tookie" Williams and a diss to Arnold Schwarzenegger, the Governor of California. Two other singles on which Snoop made a guest performance were "Keep Bouncing" by Too $hort (also with will.i.am of The Black Eyed Peas) and "Gangsta Walk" by Coolio.

Snoop's 2006 album, Tha Blue Carpet Treatment, debuted on the Billboard 200 at No.5 and has sold over 850,000 copies. The album and the second single "That's That Shit" featuring R. Kelly were well received by critics. In the album, he collaborated in a video with E-40 and other West Coast rappers for his single "Candy (Drippin' Like Water)".

[edit] 2007–08: Ego Trippin'

In July 2007, Snoop Dogg also made history by becoming the first artist to release a track as a ringtone prior to its release as a single, which was "It's the D.O.G." On July 7, 2007, Snoop Dogg performed at the Live Earth concert, Hamburg.^[19] Snoop Dogg has ventured into singing for Bollywood with his first ever rap for an Indian movie Singh Is Kinng; the title of the song is also "Singh is Kinng". He also appears in the movie as himself.^[20] The album featuring the song was released on June 8, 2008 on Junglee Music Records.^[21] He released his ninth studio album, Ego Trippin' (selling 400,000 copies in the U.S.), along with the first single, "Sexual Eruption". The single peaked at No.7 on the Billboard 100, featuring Snoop using autotune. The album featured production from QDT (Quik-Dogg-Teddy).

[edit] 2009–10: Malice n Wonderland and More Malice

Snoop was appointed an executive position at Priority Records. His tenth studio album, Malice n Wonderland, was released on December 8, 2009. The first single from the album, "Gangsta Luv", featuring The-Dream, peaked at No.35 on the Billboard Hot 100. The album debuted at No.23 on the Billboard 200, selling 61,000 copies its first week, making it his lowest charting album. His third single, "I Wanna Rock", peaked at No.41 on the Billboard Hot 100. Snoop features on the latest Gorillaz album, Plastic Beach. The fourth single from Malice n Wonderland, titled "Pronto", featuring Soulja Boy Tell 'Em, was released on iTunes on December 1, 2009. Snoop re-released the album under the name More Malice.

[edit] 2011–12: Doggumentary

Snoop collaborated with Katy Perry on the first single from her second mainstream album, "California Gurls", which was released on May 11, 2010. Snoop can also be heard on the track "Flashing" by Dr. Dre and on Curren$y's song "Seat Change". He was also featured on a new single from Australian singer Jessica Mauboy, titled "Get 'em Girls" (released September 2010). Snoop's latest effort was backing American recording artist, Emii, on her second single entitled "Mr. Romeo" (released October 26, 2010 as a follow-up to "Magic"). Snoop also collaborated with American comedy troupe The Lonely Island in their song "Turtleneck & Chain", in their 2011 album Turtleneck & Chain.

Snoop Dogg's newest studio album is Doggumentary. The album went through several tentative titles including Doggystyle 2: Tha Doggumentary and Doggumentary Music: 0020 before being released under the final title Doggumentary during March 2011.^[22] Snoop was featured on Gorillaz' latest album Plastic Beach on a track called: "Welcome to the World of the Plastic Beach" with the The Hypnotic Brass, he also completed another track with them entitled "Sumthing Like This Night" which does not appear on Plastic Beach, yet does appear on Doggumentary. He also appears on the latest Tech N9ne album All 6's and 7's (released June 7, 2011) on a track called "Pornographic" which also features E-40 and Krizz Kaliko.

[edit] 2012–present: Reincarnated

On February 4, 2012, Snoop Dogg announced a new documentary alongside his new upcoming studio album entitled Reincarnated.^[23] Snoop Dogg is set to headline the Osheaga Festival in Montreal, Canada this summer. ^[24]

Other ventures[link]

Media appearances[link]

Snoop Dogg has appeared on television and in films throughout his career. In 1998, Snoop had a cameo appearance in the film Half Baked as the "Scavenger Smoker".^[25] In 2000, Snoop (as "Michael J. Corleone") directed Snoop Dogg's Doggystyle, a pornographic film produced by Hustler. The film, combining hip hop with x-rated material, was a huge success and won "Top Selling Release of the Year" at the 2002 AVN Awards.^[26] Snoop then directed Snoop Dogg's Hustlaz: Diary of a Pimp in 2002 (using the nickname "Snoop Scorsese").^[27]

In 2001, Snoop lent his voice to the animated show King of the Hill, in which he played a white pimp named Alabaster Jones.^[28] He played a lead character in the movie The Wash with Dr. Dre. He portrayed a drug dealer in a wheelchair in the film Training Day, featuring Denzel Washington.^[29] In 2001, Snoop starred in the horror film Bones, with him playing a murdered mobster who returns from the dead to exact his revenge against those who murdered him.

In 2002, Snoop hosted, starred in, and produced his own MTV sketch comedy show entitled Doggy Fizzle Televizzle. Snoop was filmed for a brief cameo appearance in the television movie It's a Very Merry Muppet Christmas Movie (2002), but his performance was omitted from the final cut of the movie.^[30] On November 8, 2004, Snoop Dogg was starred in the episode "Two of a Kind" of NBC's series Las Vegas.^[31]

In 2004, Snoop appeared on the Showtime series The L Word as the character "Slim Daddy". He also notably played the drug dealer-turned-informant character of Huggy Bear, in the 2004 remake film of the 1970s TV-series of the same name, Starsky & Hutch. He appeared as himself in the episode "MILF Money" of Weeds,^[32] and made an appearance on the TV shows Entourage^[33] and Monk,^[34] for which he recorded a version of the theme, in July 2007.

Snoop Dogg at WrestleMania XXIV at Orlando's Citrus Bowl with Ashley Massaro and tag team partner Maria, March 30, 2008

Snoop founded his own production company, Snoopadelic Films, in 2005. Their debut film was Boss'n Up, a film inspired by Snoop Dogg's album R&G, starring Lil Jon and Trina.^[35]