姚哲芳;周听清;成永华;曾赞文;
YAO Zhe-fang~1 ZHOU Ting-qing~1 CHENG Yong-hua~2 ZENG Zan-wen~1 (1.University of Science & Technology of China,Hefei 230027,Anhui,China; 2.Guangdong Hongda Blasting Stock Co.,Guangzhou 510623,Guangdong,China)

• 1:中国科学技术大学近代力学系
• 2:广东宏大爆破股份有限公司

摘要(Abstract)：

用控制爆破方法拆除了一座长282m、宽9.5m的双曲拱桥。根据双曲拱桥的特点,在拆除爆破过程中所采取的炮孔布置及装药量、起爆网路设计、爆破安全防护措施等技术,可供类似工程参考。
The paper discussed a method of controlled blasting employed in demolition of a double arch bridge with a length and width of 282m and 9.5m respectively.The employed borehole layout,detonating network design and measurements of security protection in the blasting demolition were all based on the characteristics of double arch bridge which were of reference value to the demolition of old bridge in future.

关键词(KeyWords)： 拱桥拆除;控制爆破;爆破参数;安全防护
Arch bridge demolition;Controlled blasting;Blasting parameter;Safety protection

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 姚哲芳;周听清;成永华;曾赞文;
YAO Zhe-fang~1 ZHOU Ting-qing~1 CHENG Yong-hua~2 ZENG Zan-wen~1 (1.University of Science & Technology of China,Hefei 230027,Anhui,China; 2.Guangdong Hongda Blasting Stock Co.,Guangzhou 510623,Guangdong,China)

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