煤巷顶板锚索补强支护参数敏感性分析

Sensitivity Analysis of Anchor Reinforcement Support Parameters on Roof Stability of Coal Roadway

摘要: 采用离散单元分析软件UDEC4.0对煤巷顶板稳定性锚索补强支护参数敏感性进行了分析。结果表明：锚索间排距为顶板稳定性的第一影响因素，影响性显著，锚索直径次之，影响性较为显著，锚索预紧力、锚杆长度、锚固段长度分列其后，影响性均为特别不显著。在实际的工程应用中对顶板稳定性影响较大的锚索支护参数应重点考虑，在保证顶板稳定的前提下，即可节省支护成本，又可加快施工速度。
- 补强锚索 /
- 正交试验 /
- 巷道支护 /
- 方差分析 /
- 直观分析 /
- 锚索支护
Abstract: Sensitivity analysis of anchor reinforcement support parameters on roof stability of coal roadway with discrete element analysis software UDEC4.0 is carried out. Orthogonal test shows that spacing between anchors is the first impact factor on roof stability, the impact is most significant; anchor diameter takes second place, and the impact is more significant; anchor preload force, anchor length, length of anchoring section follows subsequently, and the impact is not particularly significant. In practical engineering applications, cable support parameters should be focused on roof stability in ensuring the stability of the roof, saving material and speeding up construction.
- reinforcement anchor /
- orthogonal test /
- roadway support /
- analysis of variance /
- intuitive analysis /
- anchor support

[1]	尹光志,王登科,张东明.高应力软岩下矿井巷道支护[J]．重庆大学学报:自然科学版,2007(10):87-91.
[2]	王琦,李术才,李为腾,等.基于地质预报的煤巷顶板事故防治研究[J].采矿与安全工程学报,2012,29(1):14-20.
[3]	何满潮.深部开采工程岩石力学的现状及其展望[M].北京：科学出版社,2004:88-94.
[4]	张文勋.煤层顶板事故的防治与实践[J]．河北煤炭,2009(3):25-26.
[5]	陈波,梁汉东.地震活动与矿井顶板事故影响关系统计分析[J].地学前缘,2010,17(1):238-245.
[6]	康红普,王金华,林健.煤矿巷道锚杆支护应用实例分析[J]．岩石力学与工程学报，2010,29(4):649-66.
[7]	王金华.我国煤巷锚杆支护技术的新发展[J].煤炭学报,2007,32(2):113-118.
[8]	康红普.深部煤巷锚杆支护技术的研究与实践[J].煤矿开采,2008,13(1):1-5.
[9]	戴俊,郭相参.煤矿巷道锚杆支护的参数优化[J].岩土力学,2009（S1）:140-143.
[10]	李同荣,杨峰.高强锚杆全锚配合锚索补强支护技术的可靠性分析及应用[J].煤矿安全,2008(7):71.
[11]	张龙江,刘永发.矿井锚杆锚索联合支护应用分析[J].中州煤炭,2011(4)：45-46.
[12]	孙晓梅,吕品,刘琛琛,等.基于CFD及正交试验的工作面流场参数优化[J].中国安全生产科学技术,2014,10(4):54-58.