摘要
介绍了东荣三矿主井、副井、东风井三个井筒冻结段井壁的施工及破坏情况,并针对破坏的原因进行了分析,同时对冻结段的井壁结构型式提出了建议。
This article introduces the construction and damage of shaft wall freezing of main shaft, auxiliary shaft and dongfeng shaft iri Dongrong No. 3 Coal Mine, anaiyes its reason and puts forward some suggestions for the structure of freeze shaft wall.
出处
《煤炭技术》
CAS
2006年第7期92-93,共2页
Coal Technology
关键词
冻结段
外层井壁
内层井壁
融沉
freeze shaft wall
outer liner
inter liner
melting and sinking
