Abstract

The subway tunnel between Buji-Baigelong Section of Shenzhen Subway Line 5 is located in a long distance of hard rocks, which caused the shield tunneling very difficult. This paper described the technical difficulties encountered in the long-distance shield tunneling at Buji-Baigelong Section of Shenzhen Subway Line 5, analyzed the factors caused various problems during the construction, sum-marized a set of shield tunneling technologies in hard rock. By applying these technologies to the shield construction, the technical difficulties encountered during the long distance shield tunneling in hard rock were overcome.

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