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Numerical Modeling of Skirted Foundation in Alternating Layers of Sand and Clay

Title
Numerical Modeling of Skirted Foundation in Alternating Layers of Sand and Clay
Author
박두희
Keywords
Skirted foundation; Bearing capacity; Alternating; Numerical modeling
Issue Date
2015-06
Publisher
International Society of Offshore and Polar Engineers
Citation
The Twenty-fifth International Ocean and Polar Engineering Conference, 21-26 June, Kona, Hawaii, USA, Page. 658-661
Abstract
Estimation of bearing capacity is critical in the design of skirted foundations. Empirical formula and closed form solutions for skirted foundations in uniform profiles composed of sand or clay have been proposed. However, the capacity of oundations in alternating layers of sand and clay is not well defined. We perform a series of threedimensional elasto-plastic finite element analyses on such profiles and calculate the bearing capacity of skirted foundations. It is shown that assuming a uniform profile is not appropriate. Even a thin layer of clay below the tip of the skirted foundation can significantly reduce the capacity of the foundation. We present predictive equations and charts for determining the vertical bearing capacities of foundations in heterogeneous profiles
URI
https://www.onepetro.org/conference-paper/ISOPE-I-15-194http://hdl.handle.net/20.500.11754/25464
ISBN
978-1-880653-89-0
ISSN
1098-6189
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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