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首先介绍了双排桩支护结构的特点及其相比于传统支护方式的优点,接着以《建筑基坑支护技术规程》为设计理论依据,针对具体的工程条件,介绍了双排桩在重庆轨道交通某填土基坑工程中的应用情况。双排桩支护结构的成功应用,为其在重庆轨道交通领域的应用推广提供了有益的参考。最后指出了块石性填土基坑、岩质基坑工程中的双排桩受力机理和实用计算方法是双排桩今后研究的一个方向,并且其对于双排桩支护的推广应用具有重要的意义。
First of all, the characteristics of double-row piles support structure and its advantages compared with the traditional support methods are introduced. Then based on the design rules of “technical regulations for support of foundation pit”, according to the specific engineering conditions, double-row piles Application of a fill foundation pit project in Chongqing Rail Transit. The successful application of double-row piles support structure provides a useful reference for its application in the field of rail transit in Chongqing. Finally, it points out that the mechanism and practical calculation method of double-row piles in rockfill foundation pit are one direction of double-row piles in the future and its application to popularization and application of double-row piles support Significance.