长螺旋钻孔压灌桩施工中的孔壁稳定性控制研究

Research on Borehole Wall Stability Control in Construction of Long Screw Drilling Cast-in-place Pile

长螺旋钻孔压灌桩是一种被广泛应用于各种工程项目中的地基处理技术,其施工过程中孔壁稳定性的控制是保证施工安全和质量的关键环节之一。本文探讨了孔壁稳定性控制的重要性、土壤类型、钻孔直径和深度、孔壁支护方式和材料选择、钻进液的选择和使用、土壤处理措施等内容,并对不同工程项目的孔壁稳定性控制方法进行了比较分析,以期为相关领域的工程技术人员提供参考和借鉴,提高工程质量和效率。

Long screw drilling cast-in-place pile is a kind of foundation treatment technology widely used in various engineering projects,and the borehole wall stability control during construction is one of the key links to ensure construction safety and quality.This paper discusses the importance of borehole wall stability control,soil type,drilling diameter and depth,borehole wall support method and material selection,drilling fluid selection and use,soil treatment measures,etc.,and compares and analyzes the borehole wall stability control methods of different engineering projects,aiming to provide reference for engineering technicians in related fields and improve the quality and efficiency of projects.