I will also point out that all of the heavily curved bridges shown here are supported using beams in bending. This is basically a brute force method to achieve the necessary strength.
When you see very slender structures they primarily rely on tension (cables) or compression (arches). It is possible for tension and compression bridges to curve in plan, but it is much trickier to engineer.
Another option for achieving a very slender structure that is curved in plan is just to use many short spans (put lots of pier in the river).
2 comments:
Lots of good precedents to help us think about different structural options.
I will bring some of my bridge books to our meeting Sunday so we can look at some more.
I will also point out that all of the heavily curved bridges shown here are supported using beams in bending. This is basically a brute force method to achieve the necessary strength.
When you see very slender structures they primarily rely on tension (cables) or compression (arches). It is possible for tension and compression bridges to curve in plan, but it is much trickier to engineer.
Another option for achieving a very slender structure that is curved in plan is just to use many short spans (put lots of pier in the river).
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