肇庆大桥40~#D桩钻头爆破切割打捞施工  

40 # Stake Bit Blasting-Incise Slavage of Zhaoqing Bridge

作　　者：王鹤鸣 耿德川 崔年生 方嘉煊 曾铁池 赵传亚 

机构地区：[1]广州爆破工程有限责任公司,广东广州510000 [2]中港四航局一公司,510000

出　　处：《爆破》2003年第S1期6-8,共3页Blasting

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.

关 键 词：钻机 爆破 切割 打捞 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]