The thin shell theory - use wood to consider in the state with pressure under earth and direct pressure, compared the two situation, can be seen that the deformation state of the cans, metal corrugated culvert pipe with the surrounding soil and ring crush bow together, maintain a more stable state.
The thin shell theory - use wood to consider in the state with pressure under earth and direct pressure, compared the two situation, can be seen that the deformation state of the cans, metal corrugated culvert pipe with the surrounding soil and ring crush bow together, maintain a more stable state.
Corrugation size and rigidity
first make the steel plate in corrugation shape, then the steel plate inertia
moment increased significantly, the corrugation bigger, its section area and inertia moment bigger, then more resistant the static load and live load of soil, increase the safety greatly.
Highway Construction 
Mine Projection 
Municipal Engineering 
Irrigation Engineering 
Railway Construction Projection 
Other Application 
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