高压水射流割缝防治冲击地压的数值模拟  

Numerical Simulation of Rockburst Prevention by High-pressure Water Jet Applied to Cutting Coal Seam

作　　者：尹亮亮[1] 潘一山[1] 李忠华[1] 王世娟[1] 

机构地区：[1]辽宁工程技术大学力学与工程学院,阜新123000

出　　处：《科学技术与工程》2010年第5期1225-1230,共6页Science Technology and Engineering

基　　金：国家科技支撑计划基金(2006BAK03B06)资助

摘　　要：冲击地压是采矿业中突发性、瞬息难以预见的灾害,它的发生常常会造成巨大的经济损失和人员伤亡。因此,研究便捷、可靠的防治方法,成为防冲减灾工作中的重要课题之一。传统的防治方法各有不足,将高压水射流割缝技术引用到防治冲击地压当中来,实现了本层煤的解放。基于ANSYS有限元软件建立高压水射流防治冲击地压的有限元模型,并对割缝后各部分的应力变化进行了数值模拟。结果表明,高压水射流割缝技术不但能够实现煤层卸压,而且卸压效果较好,具有很好的发展前景。Rockburst is an abrupt and unexpected disaster,which often causes great economic loss and personal casualties. Thus, the development of some convenient and reliable methods becomes one of the important subjects to prevent rockburst. Conventional methods have inadequate, the technique of high-pressure water jet cutting was applied to release the pressure of coal layer. Based on ANSYS soft-ware, the finite element model of the high- pressure water jet cutting is established. The numerical simuiation of stress transformation law of the near- seam area is made after the high-pressure water jet cut. The results show that this technique can not only realize the release of the pressure of coal layer but also the effect is well. This technique is very prospective.

关 键 词：高压水射流割缝 冲击地压 有限元模型 数值模拟 

分 类 号：TD324.2[矿业工程—矿井建设]