山东省黄河北煤炭矿区地表沉陷预测与综合治理研究

黄河北煤炭矿区为鲁西煤炭基地最后一块整装后备资源,阳谷茌平煤田和黄河北煤田其开发建设具有重要的意义。该文采用实际观测资料利用回归分析法获得的岩移参数,对山东省黄河北矿区内上组煤开采后引起的地表沉陷进行了预测,预测结果表明:地表沉陷总面积达到3 724.5 km~2,最大下沉深度为5 455 mm;其中,阳谷茌平煤田最大下沉深度为5 455 mm,地表沉陷面积为1 188.0 km~2;黄河北煤田最大下沉深度为2 976 mm,地表沉陷面积为2 536.5 km~2。地表沉陷预测结果与多年水位观测数据进行对照,煤炭开采会造成1 091.5 km~2季节性积水区和62.3km~2的常年积水区。地表沉陷对地面、地物产生不同的影响和危害,其中对农业的影响最大。地表沉陷形成的塌陷裂缝、不同坡度耕地、大型塌陷坑等可分别采取黄土填堵、大型设备平整、退耕还林、煤矸石充填、修复为鱼塘等治理措施。该文对下一步黄河北矿区开发过程中,相关政府部门采取的规划控制措施提出了建议。

Studies on the Prediction and Integrate Harnessing Measures of Surface Subsidence of Huanghe-bei Mining Area in Shandong Province

Huanghe-bei mining area is the last ready reserve resources of coal base in Luxi, and therefore that is of vital significance in exploitation and construction. The factual observation data and regression analysis method were used to obtain the rock movement parameters, which was then used to predict the surface subsidence induced by the coal mining of Huanghe-bei mining area in Shandong Province. The prediction results show that the total area of the surface subsidence is reached 3724.5km2 and the maximum sinking depth is 5455 mm. Among them, the maximum sinking depth of coal field in Yanggu Chiping is 5455 mm and the total area of the surface subsidence is reached 1188.0km2 . In addition, the maximum sinking depth of coal field in Huanghe-bei mining area is 2976 mm and the total area of the surface subsidence is reached 2536.5km2 . Comparing the surface subsidence prediction results with water level observation data, coal mining causes seasonal water area of 1091.5 km2 and perennial water area of 62.3km2. Surface subsidence has different impact and harm on ground, especially on agriculture. Collapse fracture, different slope cultivated land, giant sunken pit formed by surface subsidence were respectively treated by filling wall, large equipment such as flat, returning farmland to forest, coal gangue filling. In this paper, the suggestion of planning and control measures of Huanghe-bei mining area exploitation is raised for relevant government departments.