What is a Bridge used for

The Temporary Bridge | Industry Resources

"A " bridge " is a generic word for each swimming, module structures. They are usually used during the building period when regular footbridges or vehicle platforms have become unavailable. It can also be used for event purposes and is particularly practical when goods need to be moved to and/or from a country town.

Intermittent footbridges are available in all forms and dimensions, from large overpasses to smaller hollow case constructions. This structure is priceless for use in a city environment where ordinary footpaths need to be shut because it leads to minimum disturbance to people's everyday lives. Intermediate vehicle platforms are also available in various lengths, usually between 4 and 24 meters.

Used most often on building yards to allow small tolerance size cars to enter a building site, they can also be deployed when standard vehicle lanes have been obstructed and diversion is required. The majority of the population will never need to know how to set up a bridge, but this information is priceless for the building industry.

Fortunately, most bridge builders provide their bridging solutions in the shape of a package, which means that they are simple to assemble and disassemble, and come with all the necessary directions so that you can assemble your own bridge in the way, when, and for the duration required for your work.

Every bridge is equipped with the necessary security precautions - railings, structured floors and extra reinforcement - to make sure that bridge occupants, both in the vehicle and in the precinct, are absolutely safe when using the construction. A ramp is often used to allow easy accessibility to both sides.

class="mw-headline" id="Etymologie">Etymologie[edit]

The bridge is a construction that has been designed to overcome bodily barriers without obstructing the way under them, such as a watercourse, a dale or a street, to allow a crossing over the barrier, which is usually something that can be harmful if crossed elsewhere. Bridge constructions differ according to the bridge's functions, the type of land in which the bridge is erected and moored, the materials used and the means available for its construction.

In the Oxford Dictionary the origins of the term bridge are traced to an Old-English word with the same meanings. Old Romans were the greatest bridge builder of time. The Romans constructed arched bridge and aqueduct structures that could be under circumstances that would have damaged or destroyed previous constructions.

One example is the Alcántara bridge, which was constructed over the Tejo in Spain. Romans also used concrete, which reduces the fluctuations in the firmness of nature stones. The brick and grout bridge was constructed after Romans because the concrete technique was abandoned (later rediscovered). Cable crossings, a basic form of hanging bridge, were used by the Inca culture in the Andes of South America shortly before Europe's colonisation in the sixteenth centuries.

There were many innovative designs for wooden bridgework by Hans Ulrich Grubenmann, Johannes Grubenmann and others in the eighteenth and eighteenth centuries. Hubert Gautier wrote the first manuscript on bridge building in 1716. In front of man, ant have built a bridge by using their own body so that others can use it.

You can categorize a bridge in different ways. The usual types are: the nature of the structures used, what they support, whether they are rigid or mobile, and the types of material used. You can classify a bridge according to how the tensile, compressive, flexural, torsional and lateral loads are divided within its structures.

The majority of bridge will use all major powers to some extent, but only a few will dominate. The form and arrangement of the tensioned components in a suspended or inclined cableway system are different. Otherwise, the force can be spread over a large number of panels, as in a lattice.

Half-timbered bridgeA half-timbered bridge is a bridge whose load-bearing structure consists of a half-timbered girder. The traverse is a construction of interconnected components that form polygonal unit. Half-timbered bridge is one of the oldest kinds of contemporary bridge. Basically, the lattice bridge constructions presented in this paper have straightforward constructions that can readily be analysed by 19th and early 20th centuries civil and structural engineer.

Due to the efficiency of the material used, a lattice girder bridge is economically viable to manufacture. Bridge cantileversCantilever arms are made of arms - horizontally braced girders with only one end up. The majority of unsupported bridge sections use a couple of span lengths extending from opposite sides of the support columns to reach the centre of the barrier crossing the bridge.

Jib gantries are made with the same material and technique as girder gantries. There is a big change in the effect of the force through the bridge. A number of arms also have a smaller girder that connects the two arms to achieve higher rigidity. Quebec Bridge in Quebec, Canada is the 549 meter long Quebec Bridge, the biggest self-supporting bridge.

Curved bridgesCurved bridge have counter bearings at each end. On both sides the bridge is pressed into the abutment. Arkadiko Bridge is one of the oldest arc crossings known to have been constructed by the Greeks. Bound bow bridgesBound bow bridges have an arched overhang, but differ from traditional bow bridges. Bonded bow bridges have an arched overhang.

Rather than transmitting the bridge's load and live load in shear force to the abutment, the ends of the arcs are held in place by stresses in the lower flange of the construction. Two-storey ( or two-storey ) bridge have two planes, such as the George Washington Bridge, which connects New York City with Bergen County, New Jersey, USA, as the most congested bridge in the history of the planet, transporting 102 million cars a year;[25][26] truss work between the road way planes provided rigidity of the lanes and decreased motion of the top plane when the bottom plane was placed three decades after the top plane.

Tsing Ma Bridge and Kap Shui Mun Bridge in Hong Kong have six carriageways on the top deck, and on the bottom deck there are two carriageways and a couple of rails for MTRs. A few double-decker bridge use only one deck for road transport; Washington Avenue Bridge in Minneapolis has reserved its lower deck for cars and trams and its top deck for pedestrians and bicycles (mostly University of Minnesota students).

Also the west bridge of the San Francisco-Oakland Bay Bridge has two floors. The Robert Stephenson High-Level Bridge over the River Tyne in Newcastle upon Tyne, finished in 1849, is an early example of a two-storey bridge. Top floor supports a railroad, bottom floor is used for street-transport.

Further are the Britannia Bridge over the Menai Strait and the Craigavon Bridge in Derry, Northern Ireland. Öresund Bridge between Copenhagen and Malmö comprises a four-lane motorway upstairs and a couple of railways downstairs. The Tower Bridge in London is another example of a two-storey bridge whose middle section is made up of a low clasp and a high pedestrian bridge.

There are several bridge -like structures linked by a bridge to form a longer one. Some of the longest and highest of these are viaways, such as Lake Pontchartrain Causeway and Millau viaways. The three-way bridge has three distinct span widths that converge near the middle of the bridge. Seen from above, the bridge will appear as "T" or "Y".

Three way viaducts are extremly seldom. For example The Tridge, Margaret Bridge and Zanesville Y-Bridge. ArchStone, bricks and other such material that are pressure resistant and somewhat resistant to shearing. The majority of bridge constructions are utility in their design, but in some cases the bridge's design can be of great importance. This is often the case with a large bridge that acts as an entry point to a town, or that leads across a door to the docks.

They are sometimes referred to as signing links. Designer of park footbridges and along park grounds often attach more importance to aesthetic appeal. One example is the stony bridge along the Taconic State Parkway in New York. In order to make a nice picture, some viaducts are constructed much higher than necessary. Often found in Eastern Asia's garden, this model is known as the Lunar Bridge and is reminiscent of a full moons rise.

Others can only pass over a river-flushed pebble stone drip bridge, which is only meant to give the appearance of a brook. A bridge is often constructed in the palace over an man-made navigable channel, which symbolizes a gateway to an important place or state of being. Five sets of five viaducts traverse a winding path in an important inner court of the Prohibited City in Beijing, China.

It was reserved for the use of the emperor, empress and their companions only. Bridging maintanance comprising a combined approach of structure condition control and inspection. Europe has higher costs for maintaining a bridge than for building a new one. It is possible to significantly extend the service life of welds by after-treating the welding joints.

As a result, there is a potentially high level of benefits if use is made of legacy bridge structures well beyond their life. Bridge failures are of particular importance to civil engineering professionals when it comes to gaining knowledge that is critical to the planning, building and maintaining of a bridge. Bridge failures first aroused domestic interest in the Victorian period, when many new projects were constructed, often with new material.

The National Bridge Inventory in the United States follows the structure assessments of all bridge structures, as well as the terms "structurally deficient" and "functionally obsolete". During the Doppler vibrometer, a single point of interest is focused by a single point of a vibrometer, and the oscillation magnitude and oscillation rate are derived from the Doppler displacement of the vibrometer's oscillation rate due to the movement of the object area.

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