Chapter
Feb 8, 2016
Different Conclusions for a Retaining Wall Failure with Saturated vs. Unsaturated Soil Mechanics
Publication: Geotechnical and Structural Engineering Congress 2016
Abstract
A 24m length retaining wall failure during an extreme rainfall event led to remedial measures of that failed section. However a 100m length intact section was also deemed to be inadequate. Back-analysis of the failed section using saturated soil mechanics and a single stage failure is used to obtain design parameters. These are then transposed to the existing wall and leads to the conclusion of replacing the 100 metres of visibly intact wall, when the back-analysis ground parameters and water level is superimposed on the higher wall heights. Using unsaturated soil mechanics in the back-analysis and a staged failure approach leads to a different conclusion – that the intact wall does not require stabilization. This case study discusses how the choice of analytical models can lead to different conclusions.
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Published In
Geotechnical and Structural Engineering Congress 2016
Pages: 509 - 521
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© 2016 American Society of Civil Engineers.
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Published online: Feb 8, 2016
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Burt G. Look, Ph.D.
P.E., D.GE
Foundation Specialists Pty. Ltd., 490 Upper Edward St., Spring Hill, QLD 4000, Australia. E-mail: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.