为弄清多采空区下坚硬顶板群结构的破断失稳对工作面矿压的影响, 根据大同矿区多采空区坚硬
厚层破断顶板群的赋存条件, 采用理论分析, 相似模拟实验和现场实测分析相结合的研究方法 …

The spontaneous combustion “three-zone” of a gob is one of the key fields in the study of the
self-heating of residual coal and it is a coupled result of several factors. This paper studies …

Where a mined‐out area underlies a slope, it is a direct threat to slope safety and stability.
This is of particular concern where a mined‐out area underlies the slope of an open‐pit …

蜂子山铅锌矿ⅪV1 主矿体上下盘围岩均不稳固, 试验应用改进的分段空场崩落采矿法.
采用三维有限元对其护顶矿层和隔离矿柱的稳定性进行模拟分析. 通过比较4 种方案的应力 …

为了研究复杂空区顶板岩层稳定性, 确定合理的控制方法, 以跑马坪铅锌矿为工程背景,
进行理论分析, 现场调查和室内力学试验. 基于平衡拱理论, 对采空区顶板临界冒落面积进行计算 …

It is difficult to accurately determine the risk of spontaneous combustion in the U+ L
ventilation goaf of the first mining face when using the method of roof cutting gob‐side entry …

随着公路隧道的不断兴建, 一些l: 程小可避免地要穿越采空区, 相应地会给隧道的施1
二带来风险与潜在危害. 从下伏采窄区与隧道的空问相对位置建市有限元数值模型 …

In order to understand the coal face pressure effects from the hard roof group structure
breaking and instabilitythe relation was proved between the hard roof group structure and …

摘要根据缓倾斜多层矿床特征, 构建物理相似材料模型, 采用相似模拟试验方法,
研究前进式和后退式回采顺序开采矿床的围岩应变变化, 巷道围岩应变变化和地表沉降及其演变 …

赣南钨矿山成矿条件复杂, 矿体空间结构似五层楼结构, 几乎全部采用空场法开采.
经过数十年的开采, 遗留下大量采空区, 不同规模的地压活动时有发生. 结合赣南钨矿山地压显现 …