岩土工程学报2011，Vol.33Issue(8)：1222-1226,5.
爆炸冲击载荷作用下吸能支护巷道变形规律研究
Law of roadway deformation of energy absorbing support under explosive loading
摘要
Abstract
Using the low-energy explosive loading and the digital speckle correlation method,the law of roadway deformation of energy absorbing supports is studied by similarity simulation experiments.The experimental results illustrate that cracks firstly appear in the roof under explosive loading,and transverse cracks appear at the top of the model by repeated action of impact wave.Also,digital speckle pattern observations show that the roof has sinking deformation about 0.6 mm.But,there is no displacement between coal body and upper roadway,and the roadway and the surrounding rock have no damage.It is proved that the energy absorbing support can absorb large impact energy and reduce the roadway damage effectively.The simulated results show that the energy absorbing support can reduce the roadway destruction evidently.It is practical for safety mining engineering and also provides a new method for roadway support.关键词
爆炸载荷/吸能支护/巷道变形/数字散斑相关法（DSCM）/相似模拟试验Key words
explosive loading/energy absorbing support/roadway deformation/digital speckle correlation method/similarity simulation experiment分类
矿业与冶金引用本文复制引用
吕祥锋,潘一山,李忠华,代树红..爆炸冲击载荷作用下吸能支护巷道变形规律研究[J].岩土工程学报,2011,33(8):1222-1226,5.基金项目
国家重点基础研究发展计划（973计划）项目 （）
