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深基坑钢板桩沉桩设备选型研究与应用

Research and Application of Equipment Selection for Driving Steel Sheet Piles in Deep Foundation Pits

  • 摘要: 钢板桩施工中常因未充分考虑地质情况和周边环境,造成沉桩困难、影响工期等问题。为提高施工效率与适应性,亟需系统梳理不同施工方法与设备的适用性。本文总结了常见钢板桩施工方法,归纳了施工设备选型需要注意的关键问题;结合理论分析及工程实践,系统探讨了不同钢板桩施工方法和沉桩设备的适用条件及其特点,涵盖机械手、振动锤+履带吊、静压打桩机、打桩船等典型设备的适用条件,并提出了设备选型时需要注意的核心因素;最后结合实际工程案例验证了方法的可行性。研究结果明确了不同设备在地质、环境、桩长及工期等条件下的适用性,提出了可灵活组合多种施打与拔出设备的施工策略,为复杂工况下的设备选型提供依据。实际工程中需综合场地地质、周边环境、钢板桩长度及工期要求,合理选择沉桩设备及施工方法,研究成果可为类似工程提供参考。

     

    Abstract: In the construction of steel sheet piles, the geological conditions and surrounding environment are often not fully considered, resulting in difficulties in pile sinking and affecting the construction period. In order to improve the construction efficiency and adaptability, it is urgent to systematically sort out the applicability of different construction methods and equipment. This paper summarizes the common construction methods of steel sheet piles, and summarizes the key problems that need to be paid attention to in the selection of construction equipment. Combined with theoretical analysis and engineering practice, this paper systematically discusses the applicable conditions and characteristics of different steel sheet pile construction methods and pile sinking equipment, including the applicable conditions of typical equipment such as manipulator, vibratory hammer+crawler crane, static pressure pile driver and pile driving ship, and puts forward the core factors that need to be paid attention to in equipment selection. Finally, the feasibility of the method is verified by practical engineering cases. The research results clarify the applicability of different equipment under the conditions of geology, environment, pile length and construction period, and put forward the construction strategy of flexible combination of various driving and pulling equipment, which provides the basis for equipment selection under complex working conditions. In practical engineering, it is necessary to comprehensively consider the site geology, surrounding environment, steel sheet pile length and construction period requirements, and reasonably select pile sinking equipment and construction methods. The research results can provide reference for similar projects.

     

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