This paper introduces the karst cave pile foundation construction method. According to the actual situation in construction of a bridge, based on the general situation of the pile foundation water-eroded cave, through the study of cave development type and construction technology, targeted measures are put forward for the treatment of pile foundation in karst cave area including throwing fillers, lowering steel liners or grouting construction technology according to specific condition.%本文介绍了溶洞桩基施工方法，并根据某大桥施工的实际情况，根据桩基溶洞的发育概况，通过对溶洞发育类型及施工技术的研究，针对性的对溶洞地区桥梁桩基遇到溶洞的具体情况采取投放抛填物、下放钢护筒或注浆等施工技术进行处理。
展开▼
