摘要
七煤集团公司建设工程总公司在施工向阳煤矿一井主、副井筒时 。
By applying natural freezing consolidation method,across the quicksand layer at the neck of shaft in course of construction at the main and subsidiary shafts of Xiangyang mine No.1 well.
出处
《煤炭技术》
CAS
2002年第2期31-32,共2页
Coal Technology
关键词
斜井井筒施工
自然冻结
流沙层
inclined shaft construction
natural freezing consolidation method
quicksand layer
