A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Seismic Evaluation of a Pile Foundation in Sloping Silt River Bank
This paper presents a case study of the evaluation of seismic soil-pile performance in a sloping river embankment containing soft, saturated low-plasticity fine-grained soil. Topics addressed include: i) liquefaction susceptibility of the site soils according to SPT- and CPT- based analysis procedures; ii) cyclic simple shear tests performed in order to assess the fine-grained soil response under earthquake conditions; iii) conducted non-linear numerical time history analyses of the embankment-foundation response to design ground motions; iv) comparison of 3D and 2D model results of ground-pile response in order to determine useful scaling factors for incorporating 3D effects (e.g., soil arching) in 2D models; and v) evaluation of driven timber and reinforced concrete piles for ground improvement as well as stiffening the drilled shaft foundations as strategies for helping the bridge meet the performance-based design criteria under lateral spreading conditions.
Seismic Evaluation of a Pile Foundation in Sloping Silt River Bank
This paper presents a case study of the evaluation of seismic soil-pile performance in a sloping river embankment containing soft, saturated low-plasticity fine-grained soil. Topics addressed include: i) liquefaction susceptibility of the site soils according to SPT- and CPT- based analysis procedures; ii) cyclic simple shear tests performed in order to assess the fine-grained soil response under earthquake conditions; iii) conducted non-linear numerical time history analyses of the embankment-foundation response to design ground motions; iv) comparison of 3D and 2D model results of ground-pile response in order to determine useful scaling factors for incorporating 3D effects (e.g., soil arching) in 2D models; and v) evaluation of driven timber and reinforced concrete piles for ground improvement as well as stiffening the drilled shaft foundations as strategies for helping the bridge meet the performance-based design criteria under lateral spreading conditions.
Seismic Evaluation of a Pile Foundation in Sloping Silt River Bank
Wilson, Patrick (author) / Law, Hubert (author)
GeoCongress 2012 ; 2012 ; Oakland, California, United States
GeoCongress 2012 ; 900-909
2012-03-29
Conference paper
Electronic Resource
English
Seismic Evaluation of a Pile Foundation in Sloping Silt River Bank
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