【摘要】 介绍了桃园煤矿井下所见陷落柱的出露特征。为指导巷道施工 ,消除水患威胁 ,采取了综合勘探方法查明陷落柱的范围、高度、导水性等情况 ,并阐述了注浆加固综合治理陷落柱的方法。更多还原

【Abstract】 This article introduces the exposed character of subsided column under the well of Taoyuan coal mine,Huaibei Coal Mining Bureau,Anhui Province.Authors used synthetic suvey method to find its range,height,water transmissivity etc..At the same time,this paper described the method to comprehensively control subsided column by grouting.更多还原