Chapter
Aug 11, 2016
Appraisal of the In Situ Variability and Modeling Uncertainty of Dynamic Soil-Piled Raft-Structure Interaction on Seismic Response: A Probabilistic Approach
Publication: Geo-Chicago 2016
Abstract
The effect of in-situ variability of undrained shear strength of clay and different soil structure interaction (SSI) modeling approaches on the seismic response of piled-raft supported structure is studied. SSI leads to increased or decreased responses of structure as compared to fixed base design philosophy. The distribution of forces in column and pile head may also depend on inherent variability of soil. This results in an unsafe or conservative design of column and pile due to seismic loading. The soil-piled raft-structure interaction is modeled as beam on non-linear Winkler foundation. Response statistics of the system are estimated using Monte Carlo simulation. Finally, design implications are suggested for seismic design of piled raft supported structure with an emphasis on probabilistic SSI based sustainable design approach.
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Published In
Geo-Chicago 2016
Pages: 621 - 630
Copyright
© 2016 American Society of Civil Engineers.
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Published online: Aug 11, 2016
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Affiliations
Rajib Saha, Ph.D.
Assistant Professor, Dept. of Civil Engineering, NIT Agartala, Tripura (w) 799046.
Abhinava Pal
Formerly, M.Tech. Student, Dept. of Civil Engineering, NIT Agartala 799046.
Sumanta Haldar, Ph.D.
Assistant Professor, School of Infrastructure, IIT Bhubaneswar, Odisha 750013.
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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.