钻孔咬合桩——地铁工程围护结构新型式

DRILLING OCCLUSIVE PILES——NEW STYLE OF METRO PROTECTING STRUCTURE

文章就深圳地铁一期工程会购区间隧道明挖段围护结构之钻孔咬合桩施工方案的比选 ,施工作业流程 ,施工关键技术 ,应用条件及经济、环保价值等作了详细论述。

The drilling occlusive piles were used as protecting structure in the cut and cover tunnelling section of Exhibition Center Station-Purchase Park Station district for the first-stage engineering project of Shenzhen Metro. Following aspects concerned with the drilling occlusive piles are described in detail in this paper, such as the comparison and selection for its construction schemes, the procedure of the construction works, the key technologies in its construction, conditions for its application, the economic and environmental effects, etc.