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深基坑开挖和支护全过程分析的弹塑性有限元法
Analyzing the Whole Process of Excavation and Supporting of Deep Pit Foundation with Elasto-plastic Element Method
【摘要】 采用适当的土与支护结构模型和弹塑性有限元理论,编制了模拟深基坑开挖、支护的程序,并结合工程实例进行计算。结果表明这种考虑桩、锚、土三者共同作用的设计方法较传统的基坑设计方法有许多优点,是复杂基坑支护设计的有效方法。
【Abstract】 Based on the theory of elasto-plastic finite element, a program for simulating excurvating and supporting of foundation pit is presented, in which suitable model for soil and supporting is adopted. Calculation results show that this method of considering interaction between pile, grout and soil has more advantages compared with traditional method and may be an effective procedure in complex foundation pit design.
【关键词】 深基坑;
开挖;
支护;
弹塑性;
有限元法;
共同作用;
【Key words】 deep foundation pit; excurvation; supporting; elasto-plastic finite element; interaction;
【Key words】 deep foundation pit; excurvation; supporting; elasto-plastic finite element; interaction;
- 【文献出处】 建筑结构 ,Building Structure , 编辑部邮箱 ,1999年03期
- 【分类号】TU47
- 【被引频次】67
- 【下载频次】224