Dynamic Performance of Model Rocking Footings on Sand Reinforced by Soil-Cement Columns
作者：
Newgard, Jeffrey T.;Hutchinson, Tara;McCartney, John S.
通讯作者：
Newgard, JT
作者机构：
Univ Calif San Diego, Dept Struct Engn, San Diego, CA 92103 USA.
通讯机构：
Univ Calif San Diego, Dept Struct Engn, San Diego, CA 92103 USA.
语种：
英文
关键词：
SHALLOW FOUNDATIONS,SYSTEMS
期刊：
Geotechnical Special Publication
ISSN：
0895-0563
年：
2023
卷：
338
页码：
178-186
会议名称：
Geo-Congress on Sustainable Infrastructure Solutions from the Ground Up
会议时间：
MAR 26-29, 2023
会议地点：
Los Angeles, CA
基金类别：
Pacific Earthquake Engineering Research (PEER) Center
摘要：
This study focuses on the load-deformation response of a heavily loaded rocking footing on sand reinforced by soil-cement columns via centrifuge-model scale shake table tests. In a previous study involving the same footing on unimproved ground, the footing exhibited overturning failure and excessive settlement. To mitigate this, the present study aims to control the kinematics of the footing via strategic ground improvement while maintaining the enhanced energy dissipation characteristic of a rocking footing. The ground improvement technique consists of soil-cement mixed columns, which were cast externally and then placed in the model sand layer during pluviation. Shake s...
