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Model culvert with piers in HEC-RAS

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cstorrar

Civil/Environmental
Sep 25, 2008
6
I am analyzing a proposed culvert reinforcement solution. There is a large CMP arch pipe (7.5'x11.5') that was installed with too much fill on top of it. The proposed solution includes adding support columns in the middle of the culvert and I am charged with analyzing the effect of the culverts on the flow carrying capacity. HEC-RAS won't allow piers to be used with a culvert, any other thoughts on how to accurately model this? Thanks!
 
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Oops, I meant analyzing the effect of the PIERS on the flow carrying capacity.
 
You may be able to model this as a "bridge" with piers. But be careful. Flexible pipe, such as CMP, should not be "reinforced in this way foe structural reasons.

good luck
 
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