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What is the difference between beam bridge and an arch bridge?
Arch bridge: the span beam of bridge is the shape of an arch & the load is diverted in compressive method. Beam bridge: the shape of beam span is of simply supported or continuous. here the load is diverted through bending compression method.
Why is the reinforcement bars place at the bottom of the simple supported beam?
When a simply supported beam is subject to bending; the top of the beam will be subject to compression, and the bottom of the beam will be subject to tension (think about the bottom of the beam stretching as it bends i.e. tension). Concrete is strong in compression but weak in tension, so steel reinforcement is added to allow it to resist this tension and carry bending sufficiently. Note: bars are generally added to the compression side too but that's for another day.
What are the pros of a beam bridge?
Beam bridges are easy, and simple to construct. If you keep the bridge relatively small in length it should be able to hold a decent amount of weight.
Is a shelf support a simple machine?
No, a shelf support is likely a cantilevered beam, that is not a simple machine. Simple machines exploit leverage to increase or change the direction of force, a cantilevered beam merely supports a force.
What is the difference between the Suspension bridge and the Beam bridge?
The different between suspension bridge and beam bridge are beam bridge are for short distance but suspension bridge for long distance. Beam bridge are used for highway passes and suspension bridge for wide waterway passes.
Why is an I-Beam stronger in its weight than a simple rectangular beam?
The vertical portion of the I-beam resists shear force better than a rectangular one. The "I" portion also deflects force because of its design.
What is the longest beam bridge in the world and how long is it?
Danyang-Kunshan Grand Bridge is the longest beam bridge in the world and is approx 164.8 kilometres long.
What type of beam bridge is the Chesapeake bay bridge tunnel?
beam and tunnel
Why is the reinforcement bars place at bottom of the simple supported beam?
When a simply supported beam is subject to bending; the top of the beam will be subject to compression, and the bottom of the beam will be subject to tension (think about the bottom of the beam stretching as it bends i.e. tension). Concrete is strong in compression but weak in tension, so steel reinforcement is added to allow it to resist this tension and carry bending sufficiently. Note: bars are generally added to the compression side too but that's for another day.
What is an example of a beam bridge?
An example of a beam bridge is Chesapeake Bay bridge-tunnel Site: http://www.pbs.org/wgbh/buildingbig/bridge/index.html
What type of bridge is the Coronado bridge?
beam bridge
What is a beam bridge?
A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." In its most basic form, a beam bridge consists of a horizontal beam that is supported at each end by piers. The weight of the beam pushes straight down on the piers. The beam itself must be strong so that it doesn't bend under its own weight and the added weight of crossing traffic. When a load pushes down on the beam, the beam's top edge is pushed together (compression) while the bottom edge is stretched (tension). The farther apart its supports, the weaker a beam bridge gets. As a result, beam bridges rarely span more than 250 feet. This doesn't mean beam bridges aren't used to cross great distances-it only means that they must be daisy-chained together, creating what's known in the bridge world as a "continuous span."
