210m高钢筋陶泥混凝土内衬结构烟囱的爆破拆除

介绍了210m高、内衬为钢筋陶泥混凝土结构的钢筋混凝土烟囱的爆破拆除,该结构韧性好、强度高,预拆除及钻爆施工难度大。重点介绍了烟囱高位切口爆破时,在内衬钻孔施工困难的条件下,采用在筒壁与内衬的保温层上掏水平孔,用水平装药爆破内衬的方法,解决了高位切口内衬钻孔难的问题。爆破取得了良好效果,可为类似工程提供参考。

Blasting demolition of 210m high chimney with reinforced clay concrete lining structure

This paper introduces the blasting demolition of a 210 mhigh reinforced concrete chimney with reinforced clay lining structure.The structure has good toughness and high strength,so there's difficulty in pre-demolition and drilling blasting.In the case of difficult drilling of the lining,the method of blasting the horizontal hole in the insulation layer of the cylinder wall and the lining with the horizontal charge was introduced to solve the hard drilling of high blasting notch.The blasting achieved A good result,and it could provide a reference for similar projects.