Seismic evaluation
Seismic evaluation
(OP)
Hi, for seismic evaluation, my understanding is that ASCCE 41-13 applies for building structures. Do you use it also for civil structures (bridges, piers, etc.)?
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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RE: Seismic evaluation
RE: Seismic evaluation
Googling around some, I find this publication:
Seismic Retrofitting Manual for Highway Structures: Part 1 – Bridges
PUBLICATION NO. FHWA-HRT-06-032
There is at least one pdf version online, not sure if it is the latest or not.
RE: Seismic evaluation
ASCE 41 does not use an R factor to reduce the load. It uses increased demand capacity ratios (DCR) per specific component in the seismic force resisting system. In that case, each component has a different DCR, and they are also adjusted by other factors. It is cumbersome, and not implemented in software that I am aware of. Basically, avoid it if you can.
RE: Seismic evaluation
RE: Seismic evaluation