单管高压旋喷桩在G70福银高速公路病害处治工程中的应用

 李嘉良,严元刚,韩小凯

(陕西高速机械化工程有限公司,陕西 西安,710038

  要:本文以G70福银高速公路病害处治工程高压旋喷桩的施工为依托,介绍了改进后的高压旋喷桩施工工艺及质量控制措施。并对高压旋喷桩进行了质量检测,结果表明,高压旋喷桩的各项指标均能满足规范要求,有效治理了公路沿线的路基沉陷病害,提高了道路服务水平。本文可为类似项目提供借鉴和参考。

关键词:高压旋喷注浆;软土地基加固;复杂地质;施工技术 

中图分类号:U416        文献识别码:A

 

Application of single pipe high pressure jet grouting pile in disease treatment

project of G70 Fu yin Expressway

LI Jia-liang, YAN Yuan-gang, HAN Xiao-kai

(Shaanxi Expressway Mechanical Engineering Co., Ltd. Xi'an 710038)

Abstract: Based on the construction of high pressure jet grouting pile in the disease treatment project of G70 Fu yin highway, the construction technology and quality control measures of the improved high pressure jet grouting pile was introduced, and he quality of high-pressure rotary jet grouting pile was also tested. The results showed that all indexes of high pressure jet grouting pile could meet the requirements of the standard, the subgrade settlement along the highway was controlled effectively, and the service level of the road was improved. Which can provide reference for similar projects.

Key words:single pipe high pressure jet grouting pile; Soft soil foundation reinforcement; complex geological conditions; construction technique