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RE: Difference between rigid and flexible culvert

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Armco's corrugated steel conduits are good examples of flexible conduits. Soils-steel interaction is the main system to support the loads.
Concrete culverts use to be considered as rigid type.
Marcos J Salom
-----Mensaje original-----
De: Eleanor G. Guarin <eguarin(--nospam--at)>
Para: seaint(--nospam--at) <seaint(--nospam--at)>
Fecha: Lunes, 05 de Agosto de 2002 08:29 a.m.
Asunto: Difference between rigid and flexible culvert

Im currently designing manholes and handholes which i know that is almost same when designing box culverts. In LRFD design, there is a load factor design of 1.0 for rigid culvert and 1.5 for flexible culvert, I just want to know what's the difference between them. Could you give me example of flexible culverts?
Please help, thanks.

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