长短组合双排桩基坑支护体系分析及应用
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TU473

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国家自然科学基金资助项目(42177167)


Analysis and Application of Double Row Pile Pit Support System with Different Lengths
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    摘要:

    结合邯郸市某支护工程在处理基坑深度变化时的设计过程,针对双排桩中前后排桩不同的受力特性,提出了长短组合双排桩设计思路,通过理正软件对各种工况进行分析计算,得出了在安全可靠以及该基坑现状条件能够实施的前提下,较为经济的长短组合双排桩解决方案。实践结果表明,长短组合双排桩支护体系能够充分发挥前后排桩的不同作用,可用于解决基坑深度变化后既有支护桩嵌固深度不足的问题,也可以在正常基坑支护设计时采用。

    Abstract:

    Combined with the design process of a support project in Handan city when dealing with the change of the depth of the foundation pit, in view of the different stress characteristics of the front and rear rows of the double row piles, the design idea of the long and short combined double row piles is proposed. Through the analysis and calculation of various working conditions by the straightening software, a more economical solution of the long and short combined double row piles is obtained on the premise of safety and reliability and the implementation of the current conditions of the foundation pit. The practice results show that the long and short combined double row pile support system can give full play to the different functions of the front and rear rows of piles, and can be used to solve the problem of insufficient embedded depth of existing support piles after the change of foundation pit depth, and can also be used in the normal foundation pit support design.

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万雪林,张鹏.长短组合双排桩基坑支护体系分析及应用[J].河北工程大学自然版,2023,(1):9-14

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  • 收稿日期:2022-07-18
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  • 在线发布日期: 2023-03-31
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