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中文摘要：
煤矿突水危险性评价可为安全开采提供重要依据，而正确评价各突水影响因素的影响程度是其前提条件。在系统收集研究区水文地质资料的基础上，分析评价了突水影响因素。根据研究区实际情况，利用多源信息复合技术，提出多因素复合原则，评价突水影响因素影响程度。评价结果为矿区下组煤开采突水危险性评价提供了有力依据，对制订奥灰水防治措施有一定的指导作用。
英文摘要：
The evaluation of water inrush risk can provide an important basis for the safe mining of coal, and the correct evaluation of the influence degree of the factors affecting water inrush is the precondition. Based on systematic collection of the hydrogeological data in the study area, analysis and evaluation on the factors affecting water inrush were carried out. The principle of multi-factor complex was proposed for evaluating the influence degree of the factors affecting water inrush according to the actual situation of the study area and by using the multi-source information composite method. The evaluation results provided a powerful basis for the evaluation of water inrush risk in the mining of the lower group of coal seams and also have guiding significance for the prevention and control of the aquifer water of the Ordovician limestone.
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North China Lower Coal Surrounding Rock Failure Characteristics Study Based on FLAC3D and Fiber Brag
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