摘要 本文以新疆伊犁矿区为工程背景，提取矿区弱胶结岩石试件。通过 X 射线衍射实验和电镜扫描系统探测了基岩各岩样主要物质成分及其微观结构，分析了基岩胶结程度、裂隙和孔洞发育情况对地下水渗流的影响。通过渗透率测试实验，结合全应力应变曲线和渗透率变化曲线，探究了不同层位、不同岩性岩石的隔水特性，对泥岩和砂岩的渗透率变化曲线进行拟合，得出渗透率与体积应变之间的函数关系，采用FLAC3D模拟软件对伊犁四矿综采工作面进行采动覆岩渗透性演化规律数值计算与分析，研究渗流场活动特征，为矿区进一步实施保水开采技术奠定科学依据。
Abstract： Based on the engineering background of Yili mining area in Xinjiang, the weakly cemented rock samples were extracted. The main material composition and microstructure of bedrock samples were detected by X-ray diffraction experiment and electron microscope scanning system. The influence of bedrock cementation degree, fracture and hole development on groundwater seepage was analyzed. Through the permeability test experiment, combined with the total stress-strain curve and permeability change curve, the waterproof properties of rock in different layers and different lithology were explored. The permeability change curve of mudstone and sandstone was fitted, and the functional relationship between permeability and volumetric strain was obtained. FLAC3D simulation software was used to calculate and analyze the permeability evolution law of mining overlying strata in Yili No.4 Mine fully mechanized mining face, and the characteristics of seepage field were studied, which laid a scientific basis for the further water conservation mining technology in the mining area.
张盼杰. 伊犁矿区顶板软岩隔水性能研究[J]. 煤炭与化工, 2022, 45(3): 48-51.
Zhang Panjie. Study on waterproof property of roof soft rock in Yili mining area. CCI, 2022, 45(3): 48-51.
