钻（冲）孔灌注桩在岩溶地区施工存在问题及处理措施

李林枫

Problems in Construction of Bored CastinSitu Concrete
Piles in Karst Region and their Countermeasures

LI Lin-Feng

隧道建设 . 2006, (4): 72 -74 . DOI: B