项目名称: 基于动力条件和能量特征的矿井冲击地压研究
项目编号: No.51274117
项目类型: 面上项目
立项/批准年度: 2013
项目学科: 矿业工程
项目作者: 张宏伟
作者单位: 辽宁工程技术大学
项目金额: 80万元
中文摘要: 项目针对冲击地压的动力系统和能量特征研究其危险性识别问题。研究中以板块构造理论和地质动力学为基础,分析冲击地压矿井的地质构造形式及其演化过程,确定现代构造运动特征和应力场特征,建立动力条件评价理论和方法;阐明板块构造与实际工程间的联系,分析地质构造和岩体应力对冲击地压的影响,划分井田构造应力区;建立冲击地压动力系统和系统尺度确定方法,研究动力系统能量特征及其对冲击地压的控制作用,确定冲击地压释放的能量级别,分析冲击地压解危措施的有效性和时效性;基于"不同矿井、不同煤层、不同构造条件下冲击地压的发生具有不同的模式"的观点,建立基于地质动力区划的多因素模式识别概率预测方法,应用模式识别方法划分井田冲击地压危险区,提高冲击地压危险区域划分的准确性,实现冲击地压危险区域划分从定性向定量、从点数据到区域数据、从单因素向多因素的转变,为建立"四位一体"冲击地压综合防治技术体系提供理论基础和科学依据。
中文关键词: 冲击地压;动力条件;能量特征;活动构造;模式识别
英文摘要: The target of project is research on rockburst energy characteristics and its risk recognition. Based on the theory of plate tectonics and geological dynamics, analysis of the rockburst mine form of geological structure and its evolution, to determine the characteristics of the modern tectonic movements and stress field characteristics, the establishment of evaluation theory and methods of dynamic conditions; analysis of relation between plate tectonics and actual engineering, analysis of the geological structure and rock mass stress rockburst divided tectonic stress area; the establishment of the method to evaluate the rockburst dynamic system and system scale, the energy systems scale to determine the energy characteristics of the energy system and its control action to determine the rockburst energy release level and analysis of rockburst cure measures and the effectiveness and timeliness; Based on the view "the occurrence of different pattern based on different mining areas, different coal seams, under different structural conditions", the establishment of prediction methods based on the identification probability of multi-factor model of the geodynamic zoning, the application of pattern recognition methods to divide rockburst risk zone, Improve the accuracy of rockburst danger zones dividing. Achieve rockb
英文关键词: rockburst;geodynamic condition;energy characteristics;active fault;pattern recognization