谈深厚砂层中旋挖桩施工技术

Discussion on rotary drilling pile construction technology in deep and thick sand layer

分析了厚砂层对旋挖桩施工技术的影响,结合工程实例,对深厚砂层中旋挖桩施工遇到的一系列问题进行了论述,并研究了相应的解决措施,以提高成孔的质量,使孔径、孔深等各项参数指标均可达到设计要求。

This paper analyzed the influence of thick sand layer to rotary drilling pile construction technology,combining with the engineering ex-ample,discussed a series of problems of rotary drilling pile encountered in deep and thick sand layer,and researched corresponding solve meas-ures,to enhance the holing quality,made the aperture,hole depth and other various parameters could meet the design requirements.