| 双排桩支挡结构技术研究 |
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| 引用本文： | 陈效星,高乐,李文坚,昌思.双排桩支挡结构技术研究[J].路基工程,2020,0(5):28-31. |
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| 作者姓名： | 陈效星 高乐 李文坚 昌思 |
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| 作者单位： | 中国铁路设计集团有限公司,天津300251 |
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| 基金项目： | 中国铁设科技开发课题（721575） |
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| 摘 要： | 结合深圳地铁10号线车辆段特殊工程地质条件，深入研究双排桩支挡结构特点。提出了后桩桩后土压力采用墙后表面为倾斜边坡的挡土墙主动土压力，前桩桩后土压力采用静止土压力，前后桩所受到的被动土压力均采用弹簧来模拟的理论计算模型。将理论计算结果与工程实测资料进行对比分析，结果表明该计算模型是合理可行的。
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| 关 键 词： | 双排桩 支挡结构 土压力 弹簧 理论计算 |
| 收稿时间： | 2020-04-03 |
Research on Double-row Pile Retaining Structure |
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| Abstract: | Combined with the special geological condition of Shenzhen metro line 10 depot projects, the characteristic of the retaining structure with double-row piles are analyzed. Then a theoretical calculation model is presented. In this model, active soil pressure is acting behind the back row piles, static earth pressure is acting behind the front row piles, and the passive earth pressure acted on the front and back piles was simulated by a spring. Comparing the calculation results of the theoretical model with the actual observation date, it is showed that the new calculation model is reasonable. |
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