王清华;邓海平;周桂松;仲峰;
WANG Qing-hua,DENG Hai-ping,ZHOU Gui-song,ZHONG Feng(Gezhouba Explosive Co.,Ltd.,Chongqing 400023,China)

• 1:葛洲坝易普力股份有限公司

摘要(Abstract)：

针对重庆龙溪河大桥拆除所面临的复杂情况,阐述了该桥的拆除采用了浅孔、深孔爆破技术以及延时起爆技术,取得了较好的爆破效果,并将爆破危害控制在最小范围,达到了爆破拆除的原订目标。
Blasting techniques like short-hole blasting,deep-hole blasting and delay initiation of explosion were elaborated in demolition of Chongqing Longxi River Bridge due to its complicated conditions.The blasting effect was very good,and blast damages were controlled within minimum zone.The goal of blasting demolition was achieved.

关键词(KeyWords)： 延时爆破;双曲拱桥;爆破设计;安全防护
Delay initiation;Double arch bridge;Blast design;Safty protection

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 王清华;邓海平;周桂松;仲峰;
WANG Qing-hua,DENG Hai-ping,ZHOU Gui-song,ZHONG Feng(Gezhouba Explosive Co.,Ltd.,Chongqing 400023,China)

参考文献(References)：

• [1]刘殿中.工程爆破实用手册[M].北京:冶金工业出版社,1999.
• [2]中华人民共和国标准.《爆破安全规程》(GB6722-2003)[S].北京:中国标准出版社,2004.
• [3]吴继全,尹成祥.控制爆破拆除双曲拱桥[J].西部探矿工程,1996,8(2):49-51.
• [4]李宗文,李绍衡.拱桥拆除爆破技术[J].工程爆破,2006,12(3):71-73.