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Shallow Footing Response on Sands Using a Direct Method Based on Cone Penetration Tests
Full-scale load tests on 31 large footings situated on 13 different quartz-silica sand sites are used to develop a direct means for evaluating the vertical load-displacement and capacity response using tip resistances (qc) from cone penetration tests (CPT). Only large size foundations with footing widths 0.5 m ≤ B ≤ 6 m were considered in order to avert difficulties found in scaling of small model test results. As no clear peak was observed, a reference "capacity" criterion is taken as the load corresponding to the s/B = 10% criterion, where s = footing displacement. It is found that the applied footing stress (q) vs. displacement (s/B) curves for all cases are unified when the foundation stress is normalized by the cone tip resistance.
Shallow Footing Response on Sands Using a Direct Method Based on Cone Penetration Tests
Full-scale load tests on 31 large footings situated on 13 different quartz-silica sand sites are used to develop a direct means for evaluating the vertical load-displacement and capacity response using tip resistances (qc) from cone penetration tests (CPT). Only large size foundations with footing widths 0.5 m ≤ B ≤ 6 m were considered in order to avert difficulties found in scaling of small model test results. As no clear peak was observed, a reference "capacity" criterion is taken as the load corresponding to the s/B = 10% criterion, where s = footing displacement. It is found that the applied footing stress (q) vs. displacement (s/B) curves for all cases are unified when the foundation stress is normalized by the cone tip resistance.
Shallow Footing Response on Sands Using a Direct Method Based on Cone Penetration Tests
Mayne, Paul W. (author) / Uzielli, Marco (author) / Illingworth, Fernando (author)
GeoCongress 2012 ; 2012 ; Oakland, California, United States
Full-Scale Testing and Foundation Design ; 664-679
2012-03-29
Conference paper
Electronic Resource
English
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