摘要
在36m深的泥浆中使用切割爆玻法,使配重与钻头分离,并成功将其打捞出水。介绍了切割爆破设计与实施过程。
The Zhaoqing bridge 40 # stake lies in river centre of the west river, while constructing in -32. 99m,jumbo is blocked by underground dissolve the hole. The bit and counterweight, weighted 17 ton, need salvage. So we must use blasting- incise to make counterweight separated from bit and succeed in salvaging. The degree of difficulty is great in blasting technology. This article introduces the process of designing and implementing of blasting- incise.
出处
《爆破》
CSCD
2003年第S1期6-8,共3页
Blasting
关键词
钻机
爆破
切割
打捞
jumbo
blasting
incise
slavage
