Mine Safety Technology Branch, China Coal Research Institute

为了全面查明榆林市地方煤矿采空区分布情况及存在的安全隐患,首先采用地表踏勘、物探、钻探等手段对采空区进行综合勘查,通过踏勘对重要建(构)筑物、地面塌陷及地表裂缝全面调查,初步掌握煤矿采空区的位置、大小和范围,并对采空区的危害性进行初步分析;通过物探勘查手段对可疑及重点区域进行探测,较为准确地获得采空区的位置、分布范围及着火情况;通过钻探勘查手段来获取地层结构,并对物探结果进行验证。然后,在采空区勘查基础上,全面分析采空区的隐患类型,并借鉴鄂尔多斯矿区的成功治理经验,对榆林市采空区进行综合治理。

In order to fully find out the mining goaf distribution conditions and the safety hidden dangers existed in the Yulin local mines, surface ground reconnaiss ance, physical exploration, drilling exploration and other means were applied to the comprehensive survey of the mining goaf. With the reconnaissance, a fully investiga tion was conducted on the important buildings, surface ground subsidence and ground cracks. Thus the locations, size and scope of the goaf in the mines were prelimin arily understood. A preliminary analysis was conducted on the danger of the goaf. The physical exploration means could be applied to detect the suspicious and key are a and the location, distribution scope and fire conditions of goaf could accurately obtained. The drilling exploration means could be applied to obtain the strata structure and the physical exploration results could be verified. Then based on the exploration of the goaf, the hidden dangers of the goaf were fully analyzed. And with the succe ssfully control experiences of Ordos Mining Area, the comprehensive control was conducted on the goaf of mines in Yulin City.

国家重点基础研究计划(973计划)资助项目(2012CB724208)；国家自然科学基金煤炭联合基金资助项目(51174272)；