NUMERICAL ANALYSIS OF STRESS AND SETTLEMENT LAW OF RIGID PILES COMPOSITE FOUNDATION
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摘要: 通过ANSYS三维弹性有限元的数值分析 ,以CFG九桩复合地基为例 ,研究了在竖向荷载作用下群桩复合地基中承台 -垫层 -桩 -土的共同作用特性 ,对群桩复合地基的桩体荷载传递规律、桩土应力比、沉降及其影响因素进行了系统的分析。Abstract: Taking nine CFG piles composite foundation as an example and using ANSYS numerical analysis, the characteristics of co-action among pile cap-padding layer-pile-soil in a composite foundation of pile cluster under vertical loading are studied, and load transmission law, pile-soil stress ratio, settlement and their influence factors of the composite foundation are systematically analysed.
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Key words:
- composite foundation /
- pile-soil stress ratio /
- settlement
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阎明礼.地基处理技术.北京:中国环境科学出版社,1996 [2] 金振奋,等.群桩地基中应力及变形规律数值分析.工业建筑,2001,31(10):37~42 [3] 陈晓平,邢仲星.复合地基中桩土应力比数值分析.工业建筑,2001,31(10):5~8 [4] 阎雪峰.复合地基设计和沉降计算若干问题:[硕士学位论文].天津:天津大学,1996 [5] 王瑞芳.CFG桩与筏板基础在某综合楼中的应用.建筑教育改革理论与实践,2002(6)
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