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Is an arched roman bridge under compression or tension?
it is under compression since both sides are being pushed towards each other.
What forces act on cantilever bridges?
Compression, Tension, Torsion, and the other is either bending or shear.
Describe the movements that occur along each of the 3 types of faults?
Shearing, tension, and compression work over millions of years to change the shape and volume of rock
What are the forces that act on an arch bridge?
The arch bridge spreads load (the weight of the bridge and the traffic on it) from the deck to the abutments (the supports at each end) and into the ground. This creates a lot of compressions.
What is a transverse fault?
Transverse faults occur when a block of rock fractures, and the two blocks of rock slide past each other, in opposite directions. Compression, tension, and wrenching or twisting all contribute to movement along a transverse fault. I think that helps a bit
Are faults caused by tension or compression?
yes tension pulls the rocks apart which produces expanding faultscompression pushes the rocks together which produces crushing faultsshear slides the rocks past each other which produces slipping faults
What is the diffrerences about arch bridge to a truss bridge?
An Arch bridge is a bridge with abutments at each end shaped as a curved arch.Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side.A viaduct (a long bridge) may be made from a series of arches, although other more economical structures are typically used today. A Truss bridge is a bridge composed of connected elements (typically straight) which may be stressed from tension, compression, or sometimes both in response to dynamic loads.Truss bridges are one of the oldest types of modern bridges.A truss bridge is economical to construct owing to its efficient use of materials.
Why are reinforcements needed for concrete?
Concrete (like stone) is very strong in compression but breaks almost instantly in tension. It is also weak in response to side forces and twisting forces. Steel bars are very strong in tension but crumple and fold instantly in compression. By putting steel reinforcement bars in concrete and pretensioning the bars before the concrete hardens creates a composite material that is strong in both compression and tension (with each material supporting the other) and also improves the response to side forces and twisting forces.
How do fault mountains occur?
Where two plates move away from each other tension forces create many normal faults.
Describe two types of stress that deform rocks?
Compression (that acts to decrease an objects volume by squashing it together), Tension (which acts to increase an objects volume by pulling it apart) and a bonus Shear which acts in opposite directions on opposite sides of an object to make the two halves slide past each other.
How do fault block mountains occur?
Where two plates move away from each other tension forces create many normal faults.
What type of forces pull plate toward each other?
compression :)
