广东茶园立交桥用桩对溶岩地基的处理  

The Treatment of Karst Subgrade for an Overpass Bridge by Piles

作　　者：余祥宏[1,2] 吕展声[1,2] 李仕玲 

机构地区：[1]中交第二公路勘察设计研究院,武汉430052 [2]广韶高速公路有限公司

出　　处：《土工基础》2000年第2期29-30,共2页Soil Engineering and Foundation

摘　　要：京珠高速公路在广东英德市境内的茶园立交桥位于灰岩区 ,溶洞发育 ,溶洞高度 0 .2～5 .6m ,采用嵌岩桩基础。桩径 1 .0m ,成孔过程出现漏浆、斜孔和塌孔 ,采用了有效措施 ,同时亦取得不少经验和教训。Chayuan overpass bridge of Jing Zhu superhighway is located on karst area in Yingde city.Guangdong,where the height of karst cave is 0.2～5.0m.Piles of 1.0m diameter were used for deal with the kaset caves.During boring pile holes,leakage of mortar,tilt and collapse of holes were ovserved.remedical measuzes were taken and good results wezo obtained.

关 键 词：钻进斜孔处理 钻孔漏浆 嵌岩桩 立交桥 溶岩地基 

分 类 号：U448.155.5[建筑科学—桥梁与隧道工程]