何毅;张红峰;李本奎;张昌锁;郑俊伟;刘晓强;
HE Yi;ZHANG Hong-feng;LI Ben-kui;ZHANG Chang-suo;ZHENG Jun-wei;LIU Xiao-qiang;Shanxi Jiangyang Blasting Engineering Co.,Ltd.;Taiyuan University of Engineering Coal Mining School;

• 1:山西江阳工程爆破有限公司
• 2:太原理工大学矿业工程学院

摘要(Abstract)：

为了顺利爆破拆除位于城市闹市区65.8m高的框架结构楼房,根据因设计和施工的误差,楼房西侧墙面内收12°左右,使楼房形成非对称结构,导致稳定性较差的情况,先对楼梯间、电梯井的剪力墙进行预拆除,然后在大楼1⁴层开凿直角三角形爆破切口。采用斜线起爆的"斜拉"爆破方法,矫正不对称结构造成的偏量力矩,配合双电源闭合双回路复式起爆网路,采取精细化施工作业,进行楼房爆破拆除工程,取得了圆满成功,实现了楼房倒塌定向准确,爆破区域及附近环境安全无损害的目标。爆破效果完全满足设计及规范要求,可为类似结构建筑物爆破拆除提供一定的指导和借鉴。
In order to smoothly demolish the 65.8 mhigh frame structure building located in the downtown area of the city,according to the error of design and construction,the wall on the west side of the building is closed by about 12°,which makes the building form an asymmetric structure,resulting in poor stability.Firstly,the shear wall of the stairwell and the elevator shaft is pre-demolition,and then a right-angled triangle bursting incision is made in the first to fourth floors of the building.The "cable-stayed" blasting method using oblique line detonation corrects the partial moment caused by the asymmetric structure.With a dual power supply closed dual-circuit duplex detonation network,fine construction work was carried out,and the building blasting demolition project was carried out,which was a complete success.The goal of accurate collapse of the building is achieved,and the blasting area and the surrounding environment are safe and harmless.The blasting effect fully meets the design and specification requirements,and can provide some guidance and reference for the blasting demolition of similar structural buildings.

关键词(KeyWords)： 楼房拆除;不对称结构;定向爆破;斜拉爆破
demolition of buildings;asymmetric structure;directional blasting;cable-stayed blasting method

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 何毅;张红峰;李本奎;张昌锁;郑俊伟;刘晓强;
HE Yi;ZHANG Hong-feng;LI Ben-kui;ZHANG Chang-suo;ZHENG Jun-wei;LIU Xiao-qiang;Shanxi Jiangyang Blasting Engineering Co.,Ltd.;Taiyuan University of Engineering Coal Mining School;

参考文献(References)：

• [1]何华伟,张道振,唐小再,等.高耸建筑物拆除爆破安全监理实践[J].工程爆破,2009,15(1):89-91.HE H W,ZHANG D Z,TANG X Z,et al.Safety supervision practice of demolition blasting of towering buildings[J].Engineering Blasting,2009,15(1):89-91.
• [2]王玉杰.爆破工程[M].武汉:武汉理工大学出版社,2007.WANG Y J.Blasting engineering[M].Wuhan:Wuhan University of Technology Press,2007.
• [3]尚军,谭雪刚,贺五一,等.复杂环境条件下“八字形”楼房的爆破拆除[J].爆破,2011,28(3):63-64.SHANG J,TAN X G,HE W Y,et al.Blasting demolition of a eight character building under complex environmental conditions[J].Blasting,2011,28(3):63-64.
• [4]汪旭光.爆破安全规程实施手册[M].北京:人民交通出版社,2010.WANG X G.Implementation manual for blasting safety regulations[M].Beijing:China Communications Press,2010.
• [5]叶洲元,马建军.爆破拆除高耸建筑物触地危害分析与控制[J].中国安全科学学报,2010,20(2):150-154.YE Z Y,MA J J.Damage analysis and control of blasting demolition of towering structures[J].China Journal of Safety Science,2010,20(2):150-154.
• [6]刘国军,张海龙,赵存清.复杂环境下“L”型框架楼房定向爆破拆除[J].爆破,2016,33(1):93-95.LIU G J,ZHANG H L,ZHAO C Q.Directional blasting demolition of"L"frame building under complex environment[J].Blasting,2016,33(1):93-95.
• [7]杨建军,黄磊,蔡伟.非对称钢筋混凝土框架结构楼房爆破拆除[J].爆破器材,2015,44(4):52-55.YANG J J,HUANG L,CAI W.Demolition blasting of asymmetric reinforced concrete frame structure building[J].Explosive Materials,2015,44(4):52-55.
• [8]钱武铭,高世国,郑武.等.复杂环境下11层框架楼房定向爆破拆除[J].工程爆破,2013,19(5):32-34.QIAN W M,GAO S G,ZHENG W,et al.Directional blasting demolition of a 11storey frame building under complex environment[J].Engineering Blasting,2013,19(5):32-34.
• [9]蒋跃飞,宋志伟,王璞,等.小高宽比超薄剪力墙不对称结构楼房爆破拆除[J].爆破,2014,31(2):95-96.JIANG Y F,SONG Z W,Wang P,et al.Blasting demolition of an asymmetric building with small aspect ratio ultra-thin wall shear wall[J].Blasting,2014,31(2):95-96.
• [10]魏晓林,刘翼.爆破拆除楼房时塌落振动的预测[J].工程爆破,2014,26(2):13-18.WEI X L,LIU Y.Prediction of collapse vibration during blasting demolition of buildings[J].Engineering Blasting,2014,26(2):13-18.