明悦,代青松,赵明生,魏兴

• 1:贵州新联爆破工程集团有限公司

摘要(Abstract)：

某发电厂2座45 m高冷却塔爆破拆除施工中,冷却塔未按照爆破设计倒塌形成危险倾斜体。通过爆后现场勘查认为人字柱与圈梁拉结筋过少过细、开设减荷槽面积过小、爆破切口长度过大、人字柱本身强度较低,在爆破瞬间其支撑强度不够,造成冷却塔整体下座,未能按照设计倾倒。事后采用机械拆除成功排除了冷却塔危险倾斜体,并分析了此次冷却塔爆破拆除失败原因。

关键词(KeyWords)： 双曲线冷却塔;爆破拆除;机械拆除;排险措施

Abstract:

Keywords:

基金项目(Foundation): 贵州省优秀青年科技人才培养项目-黔科合人字[2013(30)];; 黔科合重大专项字[2015]6003;; 黔科合高G字[2015]4004;; 贵州省工业和信息化发展专项基金计划(2015030)

作者(Author): 明悦,代青松,赵明生,魏兴

参考文献(References)：

• [1]胡浩川,池恩安,乐松,等.建筑物爆破拆除倒塌失败原因分析[J].爆破,2010,27(2):99-102.HU Hao-chuan,CHI En-an,LE Song,et al.Analysis on the failure cause of the collapse of blasting demolition of buildings[J].Blasting,2010,27(2):99-102.(in Chinese)
• [2]吴剑锋.双曲线型冷却塔爆破拆除切口参数研究[J].爆破,2009,26(1):65-68.WU Jian-feng.Research on cut parameters for blasting demolition of hyperbolic cooling tower[J].Blasting,2009,26(1):65-68.(in Chinese)
• [3]李洪伟,颜事龙,郭进,等.爆破拆除切口形状对冷却塔爆破效果影响及数值模拟[J].爆破,2013,30(4):92-95.LI Hong-wei,YAN Shi-long,GUO Jing,et al.Influence of notch shape on blasting effect and numerical simulation of blasting demolition of cooling tower[J].Blasting,2013,30(4):92-95.(in Chinese)
• [4]乐松,池恩安.复杂环境下的冷却塔控制爆破拆除[J].爆破,2009,26(2):48-52.LE Song,CHI En-an.Controlled blasting demolition of cooling tower under complex environment[J].Blasting,2009,26(2):48-52.(in Chinese)
• [5]薛里,张志毅,杨年华.双曲线冷却塔爆破拆除切口参数的探讨[J].工程爆破,2011,17(2):49-52.XUE Li,ZHANG Zhi-yi,YANG Nian-hua.Discussion on the cutting parameters of the blasting demolition of a hyperbolic cooling tower[J].Engineering Blasting,2011,17(2):49-52.(in Chinese)
• [6]翟国锋,谭灵.双曲线型冷却塔爆破拆除设计与分析[J].爆破,2012,29(4):87-89.ZHAI Guo-feng,TAN Ling.Design and analysis of the blasting demolition of a hyperbolic cooling tower[J].Blasting,2012,29(4):87-89.(in Chinese)
• [7]汪旭光,于亚伦.拆除爆破理论与工程实例[M].北京:人民交通出版社,2008.
• [8]汪龙,张磊,支文超.复杂环境下60 m高冷却塔的拆除爆破[J].爆破,2011,22(2):76-78.WANG Long,ZHANG Lei,ZHI Wen-chao.Demolition blasting of 60m high cooling tower in complex environment[J].Blasting,2011,22(2):76-78.(in Chinese)
• [9]梅风翔,周际平,水下平.工程力学[M].北京:高等教育出版社,2003.
• [10]李守巨.定向爆破冷却塔中的力学问题[J].力学与实践,1996,15(2):54-55.LI Shou-ju.Mechanical problems in directional blasting cooling tower[J].Mechanics and Practice,1996,15(2):54-55.(in Chinese)
• [11]罗伟涛,郑建礼.90 m高冷却塔爆破机械联合拆除实践[J].爆破,2009,26(2):46-52.LUO Wei-tao,ZHENG Jian-li.Practice of combined removal of 90 m high cooling tower blasting machine[J].Blasting,2009,26(2):46-52.(in Chinese)
• [12]付武,王健,马玉罄,等.大连水泥厂两座50 m高冷却塔定向爆破拆除[J].工程爆破,2010,16(1):63-65.FU Wu,WANG Jian,MA Yu-qing,et al.Directional blasting demolition of two 50 m high cooling tower in Dalian cement plant[J].Engineering Blasting,2010,16(1):63-65.(in Chinese)
• [13]贾永胜,谢先启,罗启军,等.69.8 m高冷却塔定向爆破拆除[J].爆破工程,2010,16(1):59-62.JIA Yong-sheng,XIE Xian-qi,LUO Qi-jun,et al.Directional blasting demolition of 69.8 m high cooling tower[J].Engineering Blasting,2010,16(1):59-62.(in Chinese)