小口径钻孔组合桩技术在地质灾害治理工程中的应用

Application of Composite Pile with Caliber Bore-hole for Geological Disaster Treatment Engineering

摘要:

以成雅高速公路K24+855～961段左侧路堤滑塌处治工程为例，介绍了小口径钻孔组合桩的基本原理及施工工艺，并阐述了关键工序质量控制技术要点。

Abstract:

This paper introduced the primary principle and construction technology of composite pile with caliber bore-hole by a treatment engineering case of embankment slide on the left side of Chengdu-Ya’an highway K24+855～961 section， and described the key points of quality control for pivotal process.