复杂地质条件下超深冻结立井井筒快速施工关键技术研究  

Research on Key Technology of Rapid Construction of Ultra-deep Frozen Shaft Under Complex Geological Conditions

作　　者：田伟 毕博 甄逢俊 Tian Wei;Bi Bo;Zhen Fengjun(Shandong Xinjulong Energy Co.,Ltd.,Shandong Heze 274918)

机构地区：[1]山东新巨龙能源有限责任公司,山东菏泽274918

出　　处：《山东煤炭科技》2023年第2期149-152,共4页Shandong Coal Science and Technology

摘　　要：针对深大立井井筒断面大、粘土层深厚、地质条件不稳定等问题,以山能集团新巨龙公司东副立井井筒施工为研究对象,采用冻结法施工,通过井筒冻结设计、监测,井筒机械化配置及工艺研究,井筒信息化施工技术,高标号混凝土管控技术等措施,大大加速了冻结表土段掘砌施工。In view of the problems of large cross section,deep clay layer and unstable geological conditions of deep and large vertical shaft,taking the shaft construction of east auxiliary shaft of Xinjulong Company of Shandong Energy Group as the research object,the freezing method is adopted,through shaft freezing design and monitoring,shaft mechanization configuration and technology research,shaft information construction technology,high-grade concrete control technology and other measures,greatly accelerate the excavation and construction of frozen topsoil section.

关 键 词：超深 冻结法 立井井筒 快速施工 

分 类 号：TD265.34[矿业工程—矿井建设]