高压旋喷桩内插H型钢在基坑支护中的应用  

Application of High Pressure Jet Grouting Pile with Inserted H-shaped Steel in Foundation Pit Support

作　　者：陈勇[1] 罗志浩 屈坤玉 戴小锋 潘钧俊 CHEN Yong LUO Zhihao;QU Kunyu;DAI Xiaofeng;PAN Junjun(China Construction Eighth Engineering Division Co.,Ltd.,Shanghai 201204,China)

机构地区：[1]中国建筑第八工程局有限公司,上海201204

出　　处：《建筑施工》2021年第7期1193-1195,共3页Building Construction

基　　金：中建八局重大项目课题(2019-2-05)。

摘　　要：基于杭州萧山国际机场三期项目北行李通道NX-2区的复杂基坑围护工程,论证了高压旋喷桩内插H型钢技术在基坑支护中所具有的优势。对高压旋喷桩内插H型钢技术在基坑支护过程中的施工工艺要点进行了阐述,实践表明该支护方式能较好地适应复杂基坑的围护要求,具有良好的社会和经济效益。Based on the complex foundation pit support engineering of NX-2 area of North luggage passage of Hangzhou Xiaoshan International Airport Phase III project,the advantages of high-pressure jet grouting pile with inserted H-shaped steel in foun dation pit support are demonstrated.This paper expounds the key points of construction tech no logy of high-pressure jet grouting pile with inserted H-shaped steel in the process of foundation pit support,and the practice shows that the support method can better adapt to the requirements of complex foundation pit support,and has good social and economic ben efits.

关 键 词：基坑支护 高压旋喷桩 内插H型钢 复杂基坑 

分 类 号：TU753.1[建筑科学—建筑技术科学]