45m高特殊构形烟囱定向爆破拆除

Demolition of a 45 m High Special Structure Chimney by Directional Blasting

介绍了复杂环境下45 m高特殊构形烟囱的定向爆破拆除实例,论述了烟囱拆除爆破方案的设计、爆破参数和爆破切口的确定,以及爆破塌落振动、飞石的安全验算和安全防护,达到了预期效果。

This paper describes the demolition of a 45 m high special structure chimney under the complicated circumstances by controlled blasting.The blasting scheme,blasting design and blasting cutting parameters are introduced.The safety calculation and the safety protection measures are discussed as well.The desired blasting effectiveness are attained.