导水裂隙带高度观测系统及工程应用

Height Observation System and Its Engineering Application in the Aqueduct Fracture Zone

以寺家庄煤矿开采为背景,利用新型导水裂隙带高度观测系统对首采面的导水裂隙带高度进行了测定,将此测定结果与理论计算结果进行了对比,并以对比结果对观测系统的可靠性进行了验证。通过对首采面垮落带和弯曲下沉带理论计算和使用多段双端堵水器进行测定导水裂隙带的现场实践,合理确定了导水裂隙带的高度为45.9m,为指导该煤层开采的合理设计和施工以及防治顶板突水提供参考。

Based on the mining of Si Jiazhuang coal mine, the height of the water fissure zone of the first surface of the first face was measured by the high observation system of the new water conducting fissure zone, and the results of the measurement and the theoretical calculation results were obtained. The reliability of the observation system is verified by comparison and comparison with the result of comparison. Through the field practice of the theoretical calculation and the use of the multi section double end water plugging device for the first face caving zone and the bending down zone, the height of the water conducting fissure zone is 45.9.It provides reference for rational design and construction of coal seam mining and prevention of roof water inrush.