| 考虑位移的土压力计算方法 |
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| 引用本文： | 张小平,胡明亮.考虑位移的土压力计算方法[J].南京航空航天大学学报(英文版),2009,26(3). |
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| 作者姓名： | 张小平 胡明亮 |
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| 作者单位： | 1. 南京航空航天大学航空宇航学院,南京,210016,中国
2. 江苏省建筑科学研究院有限公司岩土工程研究所,南京,210008,中国 |
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| 基金项目： | 江苏省自然科学基金(BK2004427)资助项目. Foundation item: Supported by the Natural Foundation of Jiangsu Province |
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| 摘 要： | 土压力的计算是基坑设计中的难点问题.针对该问题,本文提出了考虑位移的土压力计算公式,并给出了极限位移的确定方法.结果表明,由该公式计算的土压力界于静止土压力与朗肯土压力之间,能较好地反应主动及被动土压力随位移变化的规律.文中计算结果与实测结果相符,证明了计算公式推导正确以及计算结果合理.
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| 关 键 词： | 地基 有限元方法 位移 土压力 |
CALCULATION METHOD FOR EARTH PRESSURE CONSIDERING DISPLACEMENT |
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| Zhang Xiaoping,Hu Mingliang.CALCULATION METHOD FOR EARTH PRESSURE CONSIDERING DISPLACEMENT[J].Transactions of Nanjing University of Aeronautics & Astronautics,2009,26(3). |
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| Authors: | Zhang Xiaoping Hu Mingliang |
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| Abstract: | The calculation of earth pressure is a difficult problem in the pit foundation design. Aiming at the problem, the earth pressure calculation formulas considering the displacement are proposed. A method for determining the limit displacement is given and it is convenient for use. The result indicates that the earth pressure calculated by the formulas is between the earth pressure at rest and the Rankine earth pressure, the formulas can reflect the change rules of active and passive earth pressures along with the displacement. Moreover, the calculation result using the formulas is approximate to the monitoring result. It confirms the validity of the formula deduction and the rationality of the calculation results. As for the passive earth pressure, the calculation method is theoretically feasible. |
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| Keywords: | foundations finite element method displacement earth pressure |
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