复杂环境下框剪高楼拆除爆破技术研究  

Study on the technique of frame shear high building demolition blasting in a complex environment

作　　者：张耀良 梁晓国 单宝来 武哲 夏云鹏 ZHANG Yao-liang;LIANG Xiao-guo;SHAN Bao-lai;WU Zhe;XIA Yun-peng(Jiangsu Changjiang Blasting Engineering Co.,Ltd.,Zhenjiang 212000,Jiangsu,China;Public Security Bureau of Changsha City Hunan Province,Changsha 410000,China)

机构地区：[1]江苏长江爆破工程有限公司,江苏镇江212000 [2]湖南省长沙市公安局,长沙410000

出　　处：《工程爆破》2021年第4期86-93,共8页Engineering Blasting

摘　　要：为了顺利完成复杂环境下高楼的拆除爆破,基于楼房结构和施工难点的分析,采用单向折叠和预处理技术,通过合理精确爆破参数、严密组织施工,完成了待爆高楼的拆除。结果表明:爆破振动速度和塌落振动速度都在安全允许范围之内;同时采取覆盖防护、近体防护、遮挡防护、主动防护、开挖减振沟、防冲堤、减振“墙”等防护方式的实施,使得防飞石和减振取得良好的效果,可为类似工程提供借鉴经验和参考价值。In order to successfully demolish the high-rise building in the complex environment by blasting,based on the analysis of the building structure and construction difficulties,unidirectional successive folding and pretreatment technology were applied.Through the reasonable and accurate blasting parameters and strict organization of construction,the demolition of high-rise building was completed.The results show that the blasting vibration velocity and the collapse vibration velocity are both within the safe allowable ranges.At the same time,the implementation of protection methods such as covering protection,near-body protection,shielding protection,active protection,building of dykes and vibration reduction"walls",and excavation of vibration reduction trenches,have achieves a good results in anti-flying rock and vibration reduction,which can provide experience and reference value for similar project.

关 键 词：拆除爆破 单向折叠 安全防护 延时时间 复杂环境 

分 类 号：TU746.5[建筑科学—建筑技术科学]