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Re: combined seismic load with creep load[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: Re: combined seismic load with creep load
- From: Neil Moore <nmoore(--nospam--at)spider.lloyd.com>
- Date: Thu, 18 Sep 1997 08:41:43 -0700 (PDT)
> Is anyone done foundation on piers on hillside > with creep load for example 5.0 kip per pier > if so., do you consider combining the creep load > with the seismic load or wind load, or what the load > comination do you consider, come on someone has done that before > i need an answer > O.K., Dave, I'll own up. Yes I've done this before - in fact a number of times. All of these projects were done in the S.F. Peninsula where all kinds of weird soil conditions exist. I've had creep loads up to seven feet deep - basically resisting a hill; so it's a real load. I do add in the loads that would come for either a wind event or a seismic event and I increase my allowables for these events. I work very closely with the geotech engineers on all of these. Sometimes these kinds of foundations are almost as expensive as the structure, but if people want to build on bad ground and can pay for it, ok. All of these jobs were done on expensive residences and no one called me after the Loma Prieta earthquake. Neil Moore, S.E.
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