摘要
针对裸岩河床低桩承台的特点,介绍了双壁钢围堰底部的水下爆破炮孔布置、爆破范围、爆破深度、安全距离及防护措施等技术要点。
In the light of the features of low pile cap on bare rock riverbed,this paper introduces some technical points of underwater blasting of the bottom of double-wall steel cofferdam including the hole layout of underwater blasting,blasting range,blasting depth,safe distance,and protective measures,etc.
出处
《科技情报开发与经济》
2011年第36期178-179,共2页
Sci-Tech Information Development & Economy
关键词
双壁钢围堰
水下爆破
成槽技术
double-wall steel cofferdam
underwater blasting
trough forming technology