期刊
CANADIAN GEOTECHNICAL JOURNAL
卷 55, 期 9, 页码 1257-1267出版社
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/cgj-2017-0180
关键词
consolidation; model tests; pore-water pressure; permeable piles; clays
资金
- National Science Fund for Excellent Young Scholars [51322807]
- National Natural Science Foundation of China [51578164, 41672296]
- Natural Science Foundation of Guangxi Province [2016GXNS-FGA380008]
- Ministry of Education of China
Excess pore-water pressures induced by pile driving could have a detrimental effect on a project, especially on the construction sequence and ground settlement. Measures that can effectively accelerate dissipation of pore pressures are therefore valuable. One way to reduce the pore pressure is the use of permeable piles. This paper presents a series of model-scale laboratory tests conducted on piles with drainage holes around the pile circumference. It is found that permeable piles could accelerate soil consolidation significantly, and the beneficial effects are more apparent for group pile tests. An approximate influencing zone of permeable piles was derived in this study based on the experimental observations.
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