| 城市交通隧道深基坑双排桩支护结构的计算研究 |
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| 作者单位： | ;1.中国铁建投资集团有限公司 |
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| 摘 要： | 在"分配模型"、"相互作用模型"等两种情况下,采用荷载结构法分别对双排桩进行计算,得出桩体水平位移及弯矩,并对两种模型计算结果进行对比分析,得出桩体水平位移差别不大,而弯矩有一定的差距;并把计算结果与实测数据进行对比,得出"相互作用模型"计算结果更为合理,对双排桩支护结构的计算具有一定的指导意义。
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| 关 键 词： | 城市交通 隧道 基坑支护 双排桩 计算 位移和弯矩 模型 |
On the Calculation of Supporting Structure of Double-row Piles in Deep Pit of Urban Transit Tunnel |
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| Institution: | ,China Railway Construction Investment Group Corporation Limited |
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| Abstract: | This paper uses the load structure method to calculate double piles with a distribution model and an interaction model and obtain horizontal displacement and bending moment. The analysis of the results of the two models shows that there is little difference in pile horizontal displacement and some in bending moment. The comparison of calculations with measurements illustrates that the interaction model is more reasonable and effective in guiding the calculation of double-row piles. |
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| Keywords: | Urban traffic Tunnel Foundation pit Double piles Calculation Displacement and bending moment Model |
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