摘要
为了保证井筒能顺利通过松散巨厚表土层,在井筒施工过程中采取"主排孔+辅排(外)孔+辅排(内)孔"冻结方案,介绍了冻结法施工的优点,确定了井筒的冻结深度及冻结壁厚度,对冻结孔、水文孔及测温孔布置参数进行了设计,并对冻结法施工工艺进行了详细论述,可为类似地质条件冻结施工技术提供了有力的技术支撑和科学保障。
In the process of shaft construction, in order to ensure the smooth cross of auxiliary shaft through ultra - thick loose alluvium, the freezing scheme of ＂main exhaust hole ＋ auxiliary row （outer） hole ＋ auxiliary row （inner） hole＂ was applied. The paper introduced the advantages of freezing method construction, the freezing depth and frozen wall thickness of the shaft were determined, and the arrangement parameters of freezing hole, hydrological hole and thermometer hole were designed, and the process of freezing method construction was discussed in detail.
出处
《煤炭工程》
北大核心
2014年第3期29-31,共3页
Coal Engineering
关键词
冻结法
表土层
冻结孔施工
差异冻结方式
钻孔质量控制
freezing method
alluvium
freezing hole construction
diversity - freezing method
quality control ofborehole
