论文部分内容阅读
大断面立井快速成井江苏煤炭基本建设公司第三工程处三工区今年１０月份在山东滕南矿区付村付井筒的掘进中，采用项目管理法、专业组合滚班制和混合作业机械化施工，在涌水量达１０．８ｍ３／ｈ的情况下，毛径９ｍ立井月成井１２０．１ｍ，创岩石大断面立井月成井最好成绩...
Large-area vertical well into well in quick succession Jiangsu Coal Capital Construction Corporation Third Engineering Department of the Third District in October this year in the Tengnan mining area Fucun pay wellbore excavation, the project management, professional combination of rolling system and mixed operation of mechanized construction, Under the condition that the water volume reaches 10.8m3 / h, the monthly diameter of 9m vertical well is 120.1m, creating the best result of the large-section rock shaft with monthly well completion.