摘要
新集一矿煤炭资源储量丰富,内部构造复杂,矿井突水、涌水灾害时有发生。通过收集新集一矿的钻探地质资料,重点分析13煤层及其顶板水文工程地质条件,并对煤层开采条件进行分析。结果发现:新集一矿13煤附近岩石以及13煤顶板岩石性质总体表现为岩质较软,强度低,割线模量小,地质条件复杂程度为中等型,会偶然受到地热和天窗等地质危害和煤层自燃、煤尘爆炸影响。研究结果为13煤的开采打下了坚实的基础。
The Xinji No. 1 Mine has abundant reserves of coal resources and complex internal structures. Coal mine water inrush and water inrush disasters occur frequently. Through the collection of drilling geological data of Xinji No. 1 Mine,the hydrological engineering geological conditions of 13 coal seams and its roof are analyzed,and the coal mining conditions are analyzed. The results show that the rocks near the 13 coals in Xinji No. 1 Mine and the rock properties of the NO. 13 coal roofs are generally characterized by soft rock,low strength,small secant modulus,moderate geological conditions,and occasional geothermal and skylights. Hazard and coal seam spontaneous combustion,coal dust explosion. The research results laid a solid foundation for the mining of the NO. 13 coal.
引文
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