辽宁工程技术大学学报(自然科学版)2011,Vol.30Issue(3):369-372,4.DOI:CNKI:21-1379/N.20110611.1606.007
巷道岩爆孕育过程的数值模拟
Numerical simulation of gestation of rockburst in mining lane
摘要
Abstract
In order to solve the layered rock-mass drill-blasting method adopted in the close two-lane tunnel construction blasting effect, based on the in-situ test method, research the blasting decay laws.. Results show that: the new tunnel blasting vibration velocity, with the increase of space explosion source into a nonlinear decreased; Vibration velocity strong direction effect, face the radial vibration weapons explosion exceeded tangential vibration, the radial vibration velocity on both tunnel and the surrounding rock's damage new plays a leading role; When using fluctuation steps excavation blasting shock wave, the stairs to the influence of both the tunnel than down the steps is remarkable. Will blasting on the new tunnel itself damage to the surrounding the influence of two adjacent tunnels and combination of comprehensive consideration, layered intrusions in the tunnel blasting parameters were optimized. This results in rock blasting engineering to have the certain reference value and significance.关键词
巷道;岩爆;数值模拟;孕育;灾变预测Key words
roadway/rockburst/ numeric simulation/ gestation/ catastrophe prediction分类
矿业与冶金引用本文复制引用
李宪章,王利,李宏武,李照军,赵豪,周志琨..巷道岩爆孕育过程的数值模拟[J].辽宁工程技术大学学报(自然科学版),2011,30(3):369-372,4.基金项目
国家重点基础研究发展计划基金资助项目(973计划)(2005CB221500) (973计划)