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Issue:
Mechanical characteristics of double-pile structure in foreshore soft foundation
Author(s):
LONG Li-ji
,
GAO Xin-lin
Pages:
140
-
147
Year:
2015
Issue:
11
Journal:
Port & Waterway Engineering
Keyword:
double-pile
;
foreshore soft foundation
;
elastic link
;
finite element
;
optimization design
;
Abstract:
研究了双排桩在滩海陆岸平台中的应用.根据弹性抗力杆件有限元法,采用数值计算软件ANSYS,分析了双排桩结构在不同的工况下的受力特性及双排桩的刚度、入土深度对结构内力和变形的影响.研究结果表明,双排桩在滩海软土地基上有很好的适用性,双排桩入土深度对结构的整体稳定性有很大的影响.桩身刚度的提高在一定程度上可以减少双排桩的水平位移,但桩基直径增加到临界极限后,双排桩出现近似刚体的运动,这种情况对软土地基受力状态是不利的.
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