| 桩筏基础在上下部共同作用下的极限分析 |
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| 引用本文： | 严平,龚晓南.桩筏基础在上下部共同作用下的极限分析[J].土木工程学报,2000,33(2):87-95. |
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| 作者姓名： | 严平 龚晓南 |
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| 作者单位： | 严平（浙江大学）;龚晓南（浙江大学） |
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| 摘 要： | 桩筏基础是目前高层建筑最常用的基础形式,在上下部共同作用下,桩筏基础的内力分析目前通常限于弹性分析范畴.本文视桩基、筏板和上部结构为整体,从能量原理出发,引进上下部同步破坏优化设计准则,建立了一套桩筏基础在考虑上下部共同作用下的极限分析计算方法,并通过二个桩筏工程的极限分析以及实测对比,说明本文方法的合理性与可靠性.
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| 关 键 词： | 桩筏基础 极限分析 上下部作用 |
| 修稿时间： | 1998年9月11日 |
LIMIT ANALYSIS OF PILE-RAFT FOUNDATION ON INTERACTION BETWEEN SUPERSTRUCTURE AND BASE |
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| Yan Ping,Gong Xiaonan.LIMIT ANALYSIS OF PILE-RAFT FOUNDATION ON INTERACTION BETWEEN SUPERSTRUCTURE AND BASE[J].China Civil Engineering Journal,2000,33(2):87-95. |
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| Authors: | Yan Ping Gong Xiaonan |
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| Abstract: | Pile-Raft foundation is widely used in high buildingr. But the analysis of intemal force of pile-raft foundation relatal to the interaction between superstrucbe and base is lindted in elastic theory rang. Based on the principle of virtual work and introducing the optimal criterion of simultaneous damage, the interaction between supersmicbe and base has bo studied with the limit analsis method developed. The limit analysis of two actual pile-ed foundaions is made in order to veap the suggested method. In comparison with the actual measuremnt, the results obtained in this paper are proved to be rational and reliable. |
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| Keywords: | pile-raft foundation limit analysis interaction between superstrucre and base |
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