花岗岩体水下钻孔爆破碎径的控制与应用  

CONTROL AND APPLICATION OF FRAGMENTAL RADIUS AFTER GRANITE'S DRILING BLASTING UNDER WATER

作　　者：杨传嘉[1] 

机构地区：[1]中国科学院武汉岩土力学研究所

出　　处：《岩石力学与工程学报》1994年第1期45-50,共6页Chinese Journal of Rock Mechanics and Engineering

摘　　要：本文从解决工程爆破的实际问题出发，根据岩石爆破相似参数的物理力学意义和能量准则的原理，研究了花岗岩体水下钻孔爆破的破碎性能，并设计和选取了工程爆破的参数，在工程实践中获得了成功的应用。In order to solve the practical problems in cngineering blasting,based on the physico-mechanicsmeaning of similar parameters in granite blasting and the principle of energy criterion,the fragmentingproperties of drilling blasting in granite under water are studied, and the parameters of engineering blasting are designed and selected in this paper.Further more,the successful practical application in engineering is obtained.

关 键 词：水下钻孔爆破 花岗岩体 桥墩 

分 类 号：U445.559[建筑科学—桥梁与隧道工程]