摘要
通过总结城市硬岩隧道挂齿开洞爆破防护的经验教训,分析控制这种近距离大药量爆破飞石危害的几种防护技术与对策,讨论爆破冲击波和飞石对防护体的冲击力问题,并提出了适用于近距离大药量的爆破防护方案,该方案更加经济合理。
By summing up the experience of caving hard rock tunnel by blasting in the city, this paper analyses the technical measures to control flying stones in blasting. It discusses the shock wave of blasting and the impact force of flying stones on defence body. On this basis,it has put forward a feasible safety scheme for close- distance powerful blasting ,which is more economical.
出处
《武汉科技大学学报》
CAS
2005年第3期257-260,共4页
Journal of Wuhan University of Science and Technology
关键词
近距离
城市硬岩隧道
防护技术
爆破灾害
close distance
urban hard rock tunnel
safety technique
blasting damage
