工程爆破

2001, (04) 47-50+82

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定向控制爆破拆除低矮密集楼群
DEMOLITION OF A GROUP OF LOW AND CLOSE BUILDINGS BY DIRECTIONAL AND CONTROLLED BLASTING

王毅,于广达,宋兴城
WANG Yi,YU Guang da,SONG Xing cheng (Earth Rock Work Blasting Company,Yingkou Economical and Technological Development Section, Dashiqiao City,Liaoning 115100,China)

摘要(Abstract):

介绍了一个低矮密集楼群定向控制爆破拆除的实例。该楼群包括 6幢未竣工的钢筋混凝土框架结构楼房。文中讨论了爆破方案和施工程序的确定 ,获取倾覆力矩的方法 ,爆破参数选取 ,爆破网路和起爆方法。此外 ,概述了作者的一些认识和体会
A practical example on demolishing a group of low and close buildings by directional and controlled blasting is introduced in this paper The building group includes 6 unfinished constructions with reinforced concrete frame structure The determination of blasting scheme and constructing procedure,the methods of gaining a collapsing force moment,the choice of blasting parameters,blasting network and ignition are discussed In addition,author's some experience and knowledge are outlined

关键词(KeyWords): 拆除爆破;定向倒塌;微差爆破;电起爆
Demolition blasting; Directional collapsing; Short delay blasting; Electric ignition

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作者(Author): 王毅,于广达,宋兴城
WANG Yi,YU Guang da,SONG Xing cheng (Earth Rock Work Blasting Company,Yingkou Economical and Technological Development Section, Dashiqiao City,Liaoning 115100,China)

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