Chapter
Jun 20, 2012
Nonlinear Dynamic SSI Analyses of a Concrete Water Reservoir
Authors: Wolfgang Roth [email protected], Bei Su, Ethan Dawson, Allan Porush, Meang Hassel [email protected], Lynn Shutt, and Mohsen BeikaeAuthor Affiliations
Publication: Geotechnical Earthquake Engineering and Soil Dynamics IV
Abstract
Seismic performance of the Finished Water Reservoir (FWR) at the Robert B. Diemer water treatment plant was evaluated by performing dynamic nonlinear soil-structure interaction analyses with FLAC. The reservoir sits on a terrace cut into siltstone near the top of a ridge. For the north wall, which retains high ground above the reservoir roof, the critical failure mode is governed by bending and shear. The partially buried south wall is supported by caissons where it straddles filled-in ravines. The critical failure mode is loss of vertical support from caissons damaged by down-slope sliding fill within the ravines. It was analyzed considering the deep, out-of-plane wall beam bridging over caissons which might be damaged during shaking. The study concluded that the reservoir would maintain its structural integrity during MCE-level shaking, such that uncontrolled release of water would be prevented.
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© 2008 American Society of Civil Engineers.
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Published online: Jun 20, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Concrete
- Dynamic analysis
- Engineering fundamentals
- Engineering materials (by type)
- Environmental engineering
- Geomechanics
- Geotechnical engineering
- Hydraulic engineering
- Hydraulic structures
- Materials engineering
- Nonlinear analysis
- Nonlinear response
- Reservoirs
- Soil dynamics
- Soil mechanics
- Structural analysis
- Structural behavior
- Structural engineering
- Structural members
- Structural systems
- Walls
- Water and water resources
- Water treatment
- Water treatment plants
Authors
Affiliations
URS Corporation, 915 Wilshire Blvd. Suite 700, Los Angeles, CA 9001. E-mail: [email protected]
Bei Su
URS Corporation, 915 Wilshire Blvd. Suite 700, Los Angeles, CA 9001
Ethan Dawson
URS Corporation, 915 Wilshire Blvd. Suite 700, Los Angeles, CA 9001
Allan Porush
URS Corporation, 915 Wilshire Blvd. Suite 700, Los Angeles, CA 9001
Metropolitan Water District of So Cal (MWD), 700 N Alameda St., Los Angeles, CA 90012. E-mail: [email protected]
Lynn Shutt
Metropolitan Water District of So Cal (MWD), 700 N Alameda St., Los Angeles, CA 90012
Mohsen Beikae
Metropolitan Water District of So Cal (MWD), 700 N Alameda St., Los Angeles, CA 90012
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