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Cantilever Bar Tunnel
A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a cantilever can be formed as a Beam (structure), beam, plate, truss, or Concrete slab, slab. When subjected to a structural load at its far, unsupported end, the cantilever carries the load to the support where it applies a shear stress and a bending moment. Cantilever construction allows overhanging structures without additional support. In bridges, towers, and buildings Cantilevers are widely found in construction, notably in cantilever bridges and balcony, balconies (see corbel). In cantilever bridges, the cantilevers are usually built as pairs, with each cantilever used to support one end of a central section. The Forth Rail Bridge, Forth Bridge in Scotland is an example of a cantilever truss bridge. A cantilever in a traditionally Timber ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cantilever Examples
A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a cantilever can be formed as a Beam (structure), beam, plate, truss, or Concrete slab, slab. When subjected to a structural load at its far, unsupported end, the cantilever carries the load to the support where it applies a shear stress and a bending moment. Cantilever construction allows overhanging structures without additional support. In bridges, towers, and buildings Cantilevers are widely found in construction, notably in cantilever bridges and balcony, balconies (see corbel). In cantilever bridges, the cantilevers are usually built as pairs, with each cantilever used to support one end of a central section. The Forth Rail Bridge, Forth Bridge in Scotland is an example of a cantilever truss bridge. A cantilever in a traditionally Timber ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania Barn
A Pennsylvania barn is a type of banked barn built in the US from about 1790 to 1900. The style's most distinguishing feature is the presence of an overshoot or forebay, an area where one or more walls overshoot its foundation. These barns were banked, that is set into a hillside to ensure easy access to both the basement and the level above. Almost all Pennsylvania barns also have gable roofs."Pennsylvania Barns" , ''Agricultural Architecture Field Guide'', Pennsylvania Historical & Museum Commission. Retrieved 9 February 2007. Barn scholar Robert Ensminger classified the Pennsylvania barn into three types: Standard Pennsylvania, Sweitzer, and Extended Pennsylvania barns.Ensminger, Robert F. ''The Pennsylvania barn: its origin, evolution, and distribution in North America''. 2nd ed. Balt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Miami Stadium
Miami Stadium (later officially known as Bobby Maduro Miami Stadium) was a baseball stadium in Miami, Florida. It was primarily used for baseball, and was the home field of the Miami Marlins minor league baseball team, as well as other minor league teams. It opened in 1949 and held 13,500 people. left, View of the stadium in 1950s The stadium was located on the block bounded by Northwest 23rd Street (south – first base), Northwest 10th Avenue (west – third base), and Northwest 8th Avenue (east – right field), with an open area behind left field extending about a block north. A distinguishing feature of the ballpark was a high arched cantilever-type roof over the grandstand, in contrast to the typical styles of either flat and slightly sloping, or peaked like a house. This design enabled the ballpark to have a roof that covered most of the spectator area without any posts blocking the spectators' view. Al López Field in Tampa employed a somewhat similar design with a les ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Old Trafford (football Ground)
Old Trafford () is a football stadium in Old Trafford, Greater Manchester, England, and the home of Manchester United. With a capacity of 74,310 it is the largest club football stadium (and second-largest football stadium overall after Wembley Stadium) in the United Kingdom, and the eleventh-largest in Europe. It is about from Old Trafford Cricket Ground and the adjacent tram stop. Nicknamed "The Theatre of Dreams" by Bobby Charlton, Old Trafford has been United's home ground since 1910, although from 1941 to 1949 the club shared Maine Road with local rivals Manchester City as a result of Second World War bomb damage. Old Trafford underwent several expansions in the 1990s and 2000s, including the addition of extra tiers to the North, West and East Stands, almost returning the stadium to its original capacity of 80,000. Future expansion is likely to involve the addition of a second tier to the South Stand, which would raise the capacity to around 88,000. The stadium's record ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roof
A roof ( : roofs or rooves) is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of temperature, and wind. A roof is part of the building envelope. The characteristics of a roof are dependent upon the purpose of the building that it covers, the available roofing materials and the local traditions of construction and wider concepts of architectural design and practice, and may also be governed by local or national legislation. In most countries, a roof protects primarily against rain. A verandah may be roofed with material that protects against sunlight but admits the other elements. The roof of a garden conservatory protects plants from cold, wind, and rain, but admits light. A roof may also provide additional living space, for example, a roof garden. Etymology Old English 'roof, ceiling, top, summit; heaven, sky', also f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elland Road
Elland Road is a football stadium in Beeston, Leeds, West Yorkshire, England, which has been the home of Premier League club Leeds United since the club's formation in 1919. The stadium is the 14th largest football stadium in England. The ground has hosted FA Cup semi-final matches as a neutral venue, and England international fixtures, and was selected as one of eight Euro 96 venues. Elland Road was used by rugby league club Hunslet in the mid-1980s and hosted two matches of the 2015 Rugby World Cup. Elland Road has four stands – the Don Revie (North) Stand, the Jack Charlton (East) Stand, the Norman Hunter South Stand and the John Charles (West) Stand – and an all-seated capacity of 37,792 The record attendance of 57,892 was set on 15 March 1967 in an FA Cup 5th round replay against Sunderland. This was before the stadium became an all-seater venue as stipulated by the Taylor Report and the modern record is 40,287 for a Premiership match against Newcastle United on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fallingwater
Fallingwater is a house designed by the architect Frank Lloyd Wright in 1935 in the Laurel Highlands of southwest Pennsylvania, about southeast of Pittsburgh in the United States. It is built partly over a waterfall on Bear Run in the Mill Run section of Stewart Township, Fayette County, Pennsylvania. The house was designed to serve as a weekend retreat for Liliane and Edgar J. Kaufmann, the owner of Pittsburgh's Kaufmann's Department Store. After its completion, ''Time'' called Fallingwater Wright's "most beautiful job" and it is listed among '' Smithsonian''s "Life List of 28 Places to See Before You Die". The house was designated a National Historic Landmark on May 11th, 1976. In 1991, members of the American Institute of Architects named Fallingwater the "best all-time work of American architecture" and in 2007, it was ranked 29th on the list of America's Favorite Architecture according to the AIA. The house and seven other Wright constructions were inscribed as a Wor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frank Lloyd Wright
Frank Lloyd Wright (June 8, 1867 – April 9, 1959) was an American architect, designer, writer, and educator. He designed more than 1,000 structures over a creative period of 70 years. Wright played a key role in the architectural movements of the twentieth century, influencing architects worldwide through his works and hundreds of apprentices in his Taliesin Fellowship. Wright believed in designing in harmony with humanity and the environment, a philosophy he called organic architecture. This philosophy was exemplified in Fallingwater (1935), which has been called "the best all-time work of American architecture". Wright was the pioneer of what came to be called the Prairie School movement of architecture and also developed the concept of the Usonian home in Broadacre City, his vision for urban planning in the United States. He also designed original and innovative offices, churches, schools, skyscrapers, hotels, museums, and other commercial projects. Wright-designed inter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Torque
In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of the body. The concept originated with the studies by Archimedes of the usage of levers, which is reflected in his famous quote: "''Give me a lever and a place to stand and I will move the Earth''". Just as a linear force is a push or a pull, a torque can be thought of as a twist to an object around a specific axis. Torque is defined as the product of the magnitude of the perpendicular component of the force and the distance of the line of action of a force from the point around which it is being determined. The law of conservation of energy can also be used to understand torque. The symbol for torque is typically \boldsymbol\tau, the lowercase Greek letter ''tau''. When being referred to as moment of force, it is commonly denoted by . In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Segmental Bridge
A segmental bridge is a bridge built in short sections (called segments), i.e., one piece at a time, as opposed to traditional methods that build a bridge in very large sections. The bridge is made of concrete that is either cast-in-place (constructed fully in its final location) or precast concrete (built at another location and then transported to their final location for placement in the full structure). These bridges are very economical for long spans (more than ), especially when access to the construction site is restricted. They are also chosen for their aesthetic appeal. History The first cantilevered segmental cast-in-place concrete bridge, built in 1930, was across Rio do Peixe in the state of Santa Catarina of Brazil. It was followed in 1951 by the prestressed concrete bridge across the Lahn River in , the first of many cantilevered bridges designed by . The first prestressed concrete bridge, assembled by several precast elements, was the across the river Marne in F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cable-stayed Bridges
A cable-stayed bridge has one or more ''towers'' (or ''pylons''), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern or a series of parallel lines. This is in contrast to the modern suspension bridge, where the cables supporting the deck are suspended vertically from the main cable, anchored at both ends of the bridge and running between the towers. The cable-stayed bridge is optimal for spans longer than cantilever bridges and shorter than suspension bridges. This is the range within which cantilever bridges would rapidly grow heavier, and suspension bridge cabling would be more costly. Cable-stayed bridges were being designed and constructed by the late 16th century, and the form found wide use in the late 19th century. Early examples, including the Brooklyn Bridge, often combined features from both the cable-stayed and suspension designs. Cable-staye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Navajo Bridge
Navajo Bridge is the name of twin steel spandrel arch bridges that cross the Colorado River in the Grand Canyon National Park (near Lee's Ferry, Lees Ferry) in northern Coconino County, Arizona, Coconino County, Arizona, United States. The newer of the two spans carries vehicular traffic on U.S. Route 89A in Arizona, U.S. Route 89A (US 89A) over Marble Canyon between Bitter Springs, Arizona, Bitter Springs and Jacob Lake, Arizona, Jacob Lake, allowing travel into a remote Arizona Strip region north of the Colorado River including the North Rim of Grand Canyon National Park. Prior to completion of the first Navajo Bridge, one of the only Colorado River crossings between Arizona and Utah was located about upstream from the bridge site, at the mouth of Glen Canyon where Lees Ferry service had operated since 1873. The ferry site had been chosen as the only relatively easy access to the river for both northbound and southbound travelers. By the 1920s, automobile traffic beg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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