电厂发电机组厂房及高150m烟囱定向爆破拆除DIRECTIONAL BLASTING DEMOLITION OF GENERATOR SET WORKSHOP AND 150M HIGH CHIMNEY IN THE POWER PLANT
檀纯锦;黄跃;汪浩;
TAN Chun-jin,HUANG Yue,WANG Hao(Shanghai Tongji Blasting Engineering Co.Ltd.,Shanghai 200092,China)
摘要(Abstract):
介绍了复杂环境下电厂发电机组厂房及高150m烟囱定向爆破拆除。通过预处理发电机组厂房爆破切口、割断立柱部分钢筋、保留后排立柱墙体作为烟囱爆破触地防冲墙,以及对烟囱爆破切口有针对性地抬高,割断烟囱支撑中心部位钢筋等措施,取得了良好的爆破效果。
Directional blasting demolition of a generator set workshop and a 150m high chimney were introduced in a power plant whose environment was complex.Through adopting some measures such as pre-treating blasting cut of generator set workshop,cutting off some reinforcements of columns,retaining the wall of a rear row columns as anti-impact wall for blasting chimney touchdown,raising location of blasting cut of the chimney,and cutting off some reinforcements located in the support center of the chimney and so on,good blasting effect was achieved.
关键词(KeyWords):
厂房;烟囱;爆破拆除;方案设计;安全防护
Workshop;Chimney;Blasting demolition;Project design;Safety protection
基金项目(Foundation):
作者(Authors):
檀纯锦;黄跃;汪浩;
TAN Chun-jin,HUANG Yue,WANG Hao(Shanghai Tongji Blasting Engineering Co.Ltd.,Shanghai 200092,China)
参考文献(References):
- (1)汪旭光.爆破手册[M].北京:冶金工业出版社,2010.
- (2)于亚伦.工程爆破理论与技术[M].北京:冶金工业出版社,2009.
- (3)刘殿中.工程爆破实用手册[M].北京:冶金工业出版社,1999.
- (4)周家汉.爆破拆除塌落振动速度计算公式的讨论[J].工程爆破,2009,26(1):1-4.
- (5)杨年华.百米以上钢筋混凝土烟囱定向爆破拆除技术[J].工程爆破,2004,10(4):26-30.
- (6)张厚科.铜陵110m高烟囱和120m高烟囱爆破拆除[J].爆破,2008,25(4):48-52.
- (7)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,2004.