广州地铁一号线全长18. 48 km,全线共设16座车站,其中14座车站为地下车站,施工中采用了多种深基坑支护技术。在对深基坑支护技术进行现场考察和调研的基础上,本文阐述了各车站支护结构的形式及施工方法,并分析了各种支护结构的使用效果。对适合广州地铁各类地质条件下,深基坑支护设计和施工方法作出相应结论,可供借鉴。

There a re 16 sta tions o n the No. I line of the Guang zhou Metro w ith a to tal leng th o f 18. 48 km. A lo t o f suppo rting tech niques fo r the deep foundation pit w ere used in the const ructio n of Guang zhou metro 's 14 underg round sta tio ns. Based on the inv estig atio n and research o f these suppo rting techniques in co nst ructio n si te, the paper ex po unds the di fferent mode of the suppor ting st ructures a nd thei r co nst ructio n methods, and analy zes thei r a pplication ef fects. The cor respo nding co nclusions o n the suppor ting desig n a nd const ruction methods fo r deep fo unda tion pit w hich are sui table fo r dif ferent g eological co ndi tio ns of Guang zhou met ro a re also propo sed.