坑道爆破

土岩爆破中岩体和坑道爆破破坏分区的试验研究

Experimental Study of Failure Zone in Soil and Rock Blast

深井污水处理厂海底排放管坑道爆破技术

Sham Tseng Sewage Treatment Work & Underwater Blasting Technologies for Outfall Pipe Trench

人防坑道爆破掘进对施工中的电视塔的影响观测与分析

The Observation and Analysis of Influence of Blast Driving of the People 's Air Defence Tunnel on a TV Tower under Construction

为检查人防工程主干道爆破施工对其上部正在进行主体混凝土浇灌的电视塔工程的影响，我们对人防坑道爆破瞬间的电视塔结构、电视塔附近基岩以及人防坑道底板的振动速度进行了现场测量。

In order to investigate the influence of blast driving of the people 's air defence tunnel on a TV tower being under construction , we have measured vibration velocity of the TV tower , cornerstone and the tunnel .

介绍了破碎岩层中小断面坑道的爆破参数和施工技术。

The paper introduced the blasting parameters and construction technology for small section tunnel in crumbly strata .