According to construction situation of Wuhan-Guangzhou passenger dedicated line XXTJ-Ⅱ DK1341 + 587～+DK1354+126 section of bridge group drilled pile in karst region (mainly taking Xindian river extra-large bridge for example),the author expounds quality control in drilled pile of karst region in construction process and the problem not ignored in construction process.%本文根据武广客运专线XXTJ-Ⅱ标段DK1341+587～DK1354+126段岩溶地区桥基钻孔桩的施工情况(主要以新店河特大桥为例),说明岩溶地区钻孔桩在施工过程中质量控制以及施工过程中应注意的问题.
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