摘要
国投新集公司刘庄煤矿为新建矿井,为缩短建井工期,在主井施工中,采用地面井塔和主井下段施工平行作业。为了减少井下使用混凝土材料的运输环节,从地面施工一大直径钻孔,通过钻孔将混凝土材料直接运输到使用地点。
Liuzhuang Coal Mine of State- run Xinji Energy Co. Ltd. is the newly built mine, for shortening the construction period, in the main shaft construction, parallel operation are used in the ground well tower and the main shaft underground construction. In order to reduce the underground concrete material transportation links, eonstruets a large diameter bore hole from surface, so that the concrete and other materials can convey to the work ooint directly via the bore.
出处
《煤炭技术》
CAS
2008年第10期110-110,共1页
Coal Technology
关键词
下料孔
施工
使用
material hole
construction
use
