Undrained failure envelope for skirted foundations under general loading
Undrained failure envelope for skirted foundations under general loading
Three-dimensional failure envelopes can be used to define the bearing capacity and proximity to failure of shallow foundations under general vertical, horizontal and moment loading (V, H, M/B). Different structures, and different load cases for the same structure, cover varying domains of (±V, ±H, ±M/B) load space; therefore, a fully encompassing failure envelope in (V, H, M/B) load space is a useful tool to define ultimate limit states for design. In this technical note, a closed-form expression is proposed that enables prediction of undrained bearing capacity of skirted foundations under general in-plane loading, valid for a range of embedment ratios and soil shear strength heterogeneities.
Bearing capacity, Footings/foundations, Numerical modelling
263-270
Gourvenec, S.
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
Barnett, S.
7df2590b-e4ed-4bae-87ea-236ba0a875c2
March 2011
Gourvenec, S.
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
Barnett, S.
7df2590b-e4ed-4bae-87ea-236ba0a875c2
Gourvenec, S. and Barnett, S.
(2011)
Undrained failure envelope for skirted foundations under general loading.
Geotechnique, 61 (3), .
(doi:10.1680/geot.9.T.027).
Abstract
Three-dimensional failure envelopes can be used to define the bearing capacity and proximity to failure of shallow foundations under general vertical, horizontal and moment loading (V, H, M/B). Different structures, and different load cases for the same structure, cover varying domains of (±V, ±H, ±M/B) load space; therefore, a fully encompassing failure envelope in (V, H, M/B) load space is a useful tool to define ultimate limit states for design. In this technical note, a closed-form expression is proposed that enables prediction of undrained bearing capacity of skirted foundations under general in-plane loading, valid for a range of embedment ratios and soil shear strength heterogeneities.
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Published date: March 2011
Keywords:
Bearing capacity, Footings/foundations, Numerical modelling
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Local EPrints ID: 414646
URI: http://eprints.soton.ac.uk/id/eprint/414646
ISSN: 0016-8505
PURE UUID: 7bab8651-d07d-45dd-b19b-0b8607d5ab8e
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Date deposited: 05 Oct 2017 16:30
Last modified: 16 Mar 2024 04:31
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Author:
S. Barnett
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