工程爆破

2007, (01) 69-72

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不允许后坐的建筑物爆破拆除
BLASTING DEMOLITION OF A BUILDING WITHOUT BACKLASH

叶图强;刘畅;蔡进斌;
YE Tu-qiang1,LIU Chang2,CAI Jin-bin3(1.Civil & Environmental Engineering School,University of Science and Technology Beijing Beijing 100083,China;2.Guangdong Hongda Blasting Engineering Co.,Ltd,Guangzhou 510030,China;3.Yunfu Pyrite Group Co.Guangdong 527300,China)

摘要(Abstract):

待拆除的合山电厂废栈道为钢筋混凝土框架结构,周围环境十分复杂,综合运用了控制爆破技术,在建筑物的拆除中借鉴了高耸构筑物的拆除方法,避免拆除物的后坐,确保了4#、5#炉炉后系统和新栈道的安全。文中介绍了待拆物东西两部分倾倒方向、立柱爆高和爆破参数的选择、预处理、爆破网路的设计和安全防护措施。
The abandonment plank road of Heshan electric plant is a reinforced concrete frame structure with complicated surroundings environment.By using controlled blasting technology and using the method of demolition of tower buildings for reference,the blasting avoided the happening of backlash of the object to be demolished,and hence ensured the safety of 4#and 5#boiler systems and the new plank road.The present paper introduced blasting parameter selection,the pretreatment,the blasting network and protec-tion measures.

关键词(KeyWords): 拆除爆破;避免后坐;拆除方法;定向爆破
Demolition blasting;Avoiding backlash;Demolition method;Directional blasting

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 叶图强;刘畅;蔡进斌;
YE Tu-qiang1,LIU Chang2,CAI Jin-bin3(1.Civil & Environmental Engineering School,University of Science and Technology Beijing Beijing 100083,China;2.Guangdong Hongda Blasting Engineering Co.,Ltd,Guangzhou 510030,China;3.Yunfu Pyrite Group Co.Guangdong 527300,China)

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