摘要
在岩溶地区进行桩基础的施工过程中经常会破坏地基岩 (土 )层的平衡条件和地下水动力条件 ,从而诱发地面塌陷等地质灾害。该文分析了人工挖孔桩、钻 (冲 )孔桩等不同类型的桩基础施工工艺在岩溶发育地区诱发地面塌陷和地面沉降的机制 ,并针对不同的成桩工艺、场地工程地质条件和地下水动力条件 ,给出了相应的防治方法。
Ground water dynamic and bedrock(subsoil) equilibrium were destroyed in pile foundation construction process in karst region, so that induced the geology disaster such as surface collapse.This paper analyzed surface collapse and settlement mechanism induced by pile foundation construction ,such as excavated pile and bored pile in Karst region .The prevention methods were given according to different arts of pile construction and engineering geology and ground water dynamic conditions.
出处
《勘察科学技术》
2004年第1期52-55,共4页
Site Investigation Science and Technology
关键词
岩溶
桩基础
诱发机制
防治
地面塌陷
karst
pile foundation
induce mechanism
prevention
surface collapse
