roadway相关论文
Given the fact that FRP bolts for roadway support are often under a certain amount of eccentric load,we studied the prob......
The objective of this research was to determine what influence geometric design elements of roadway may have on driver b......
Ground stress is the fundamental cause of deformation and failure during underground structural engi- neering. Field str......
Based on the principle of fully mechanized backfilling and coal mining technology and combined with the Xingtai Coal Min......
加强生产探矿,合理布置脉外掘进方向,在掘进脉外巷道时巷道拱顶与矿体的垂直距离应控制在5~7 m,减少回采脉外切割量,降低采矿成本,......
卸压法是通过一定的技术手段改变某些部分围岩的物理力学性质，改善围岩内部的应力 及能量分布，以此来提高围岩的稳定性的一类方法．对......
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以白象山铁矿为工程背景,针对该矿区内地表水系十分发育,矿床水文地质条件相对复杂,巷道稳定性受水的影响很大,围岩中节理裂隙构造......
本文简述了开展二次处理及解释，进一步查清采区详细地质构造情况，为矿井开拓和采区布置提供了可靠的地质依据。对二次处理技术难点进......
矿井技术改造是提高煤矿企业竞争力、适应煤矿采掘点由近转远、由浅到深、规模扩大化的需要。因此必须认真分析矿井技术改造所要考......
在煤矿软岩井巷掘进过程中,井巷围岩维护的主要途径是对井巷进行支护和对围岩破碎岩体进行加固,但在西南矿区软岩围岩条件下,即使......
Physical modeling of failure process of the excavation in horizontal strata based on IR thermography
In order to capture the mechanism of roadway instability in deep mines, a new approach of Physically Finite Elemental Sl......
由Tommot到Niznhy Bestyakh铁路建设和运行的主要难题是横贯高含冰量冻土区域。自2007年以来，监测研究已经由麦尔尼科夫冻土研究所......
软岩地层大断面切眼支护是巷道支护中的主要难题之一,在灵东矿切眼支护中遇到了围岩顶板软弱,传统锚网支护方式难以满足围岩稳定的......
通过对模拟巷道风流分布规律进行研究,指出风流受巷道壁的黏滞作用,靠近巷道边壁处风流速度较小,越靠近巷道中心区域风速越大,而这......
