煤层顶底板稳定性评价系统研究

发布时间：2018-04-14 22:34

本文选题：沉积特征 + 构造特征　；参考：《西安科技大学》2017年硕士论文

【摘要】：煤层顶板冒落、底板鼓起,是煤炭生产中常见的现象,它们不仅影响煤矿的安全生产,同时威胁矿井工作人员的人身安全。这两种现象的发生都与煤层顶底板的稳定性相关,随着深层煤层的开采,它们出现的规模越来越大,频率越来越高,因此开展煤层顶底板稳定性评价系统的研究对煤矿安全高效生产具有十分重要的意义。从煤层顶底板的沉积特征、构造特征、岩体物理力学性质三方面出发,研究了岩性、岩层组合、断层、褶皱、裂隙、节理、岩石力学强度等因素对顶底板稳定性的影响,采用科学的评价原则,建立了评价指标体系,最后选用模糊综合评价法进行煤层顶底板的稳定性评价。采用MySQL数据库建立了数据模型,基于Java语言开发了 C/S模式下的煤层顶底板稳定性评价系统,实现了钻孔资料的科学管理、顶底板柱状图的自动绘制以及顶底板稳定性的自动评价等功能。以金华山煤矿为例,介绍了系统中煤层顶底板稳定性评价的详细过程。与前人的研究成果对比可得,系统中的顶底板稳定性评价结论是可靠的。此外,实例验证表明,从顶底板的沉积特征、构造特征、岩体物理力学性质三方面评价顶底板稳定性是可行的,模糊综合评判法是预测煤层顶底板稳定性的一种科学的方法,并且本系统是稳定的、实用性能高。
[Abstract]:Coal seam roof caving and floor bulging are common phenomena in coal production. They not only affect the safety of coal production, but also threaten the personal safety of mine workers.The occurrence of these two phenomena is related to the stability of the roof and floor of the coal seam. With the mining of the deep coal seam, they appear on a larger scale and more frequently.Therefore, it is of great significance to develop the stability evaluation system of coal seam roof and floor for coal mine safety and efficient production.In this paper, the influence of lithology, rock assemblage, fault, fold, fissure, joint and rock mechanical strength on the stability of roof and floor is studied from three aspects: sedimentary characteristics, structural characteristics and physical and mechanical properties of rock mass.Based on the scientific evaluation principle, the evaluation index system is established, and the fuzzy comprehensive evaluation method is used to evaluate the stability of coal seam roof and floor.The data model is established by using MySQL database, and the evaluation system of coal seam roof and floor stability under C / S mode is developed based on Java language, which realizes the scientific management of borehole data.Automatic drawing of top and bottom bar drawing and automatic evaluation of top and bottom plate stability.Taking Jinhuashan coal mine as an example, the detailed process of stability evaluation of coal seam roof and floor in the system is introduced.Compared with the previous research results, the results of the stability evaluation of the roof and bottom plate in the system are reliable.In addition, the example shows that it is feasible to evaluate the stability of roof and floor from three aspects of sedimentary characteristics, structural characteristics and physical and mechanical properties of rock mass, and fuzzy comprehensive evaluation is a scientific method to predict the stability of coal seam roof and floor.And this system is stable, practical performance is high.
【学位授予单位】：西安科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TD327.2

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