摘要
淮南矿业集团顾桥南区风井井筒深837 m,净直径7.2 m,表土及基岩风化带采用冻结法施工,基岩段采用普通钻爆法施工。施工前,对该井筒基岩段实施地面预注浆;施工中,采用先进的机械化配套设备和科学合理的劳动组织,保证了工程质量和施工安全,加快了施工速度,井筒实现了综合单进117.4 m/M的好成绩。
The deep of Guqiao southbound wind shaft in Huainan Mining Group is 837 m, net diameter is 7.2 m. The topsoil and weathered bedrock adopt frozon construction, the bedrock adops general drilling blast construction. Before construction, the bedrock of the shaft adopts the ground - grouting, during construction uses advanced mechanized equipment and scientific and reasonable labor organizations, which can ensure the project quality and construction security, accelerate the construction speed, and make the shaft realize a comprehensive single scale 117.4 m/M.
出处
《煤炭技术》
CAS
北大核心
2009年第1期125-127,共3页
Coal Technology
关键词
立井井筒
冻结法
地面预注浆
快速施工
光面爆破
shaft
freezing method
ground pre - grouting
rapid construction
smooth blasting
