舟山长白岛1~#和2~#船坞围堰拆除爆破BLASTING DEMOLITION OF 1~# AND 2~# BOATYARD COFFERDAMS IN CHANGBAI ISLAND ZHUOSHAN CITY
金沐;
JIN Mu(China Railway Port and Channel Blasting Projects Engineering Co.Ltd.,Guangzhou 510660,China)
摘要(Abstract):
在舟山长白岛1#、2#船坞围堰拆除中,根据围堰不同结构,采用不同的爆破方法和相应的爆破参数,获得较好的爆破效果。尤其是所提出的超深水平孔的钻孔方法和装药技术,具有广泛的推广应用价值。
According to different structure of cofferdams,different blasting methods and counter-blasting parameters were adopted in the demolition process of 1# and 2# boatyard cofferdams in Changbai island,which achieved good blasting effect.Especially drilling holes method and charging technology proposed for super deep horizontal holes have wide popularization and application value.
关键词(KeyWords):
船坞围堰;拆除爆破;超深水平孔
Boatyard cofferdam;Demolition blasting;Super deep horizontal hole
基金项目(Foundation):
作者(Authors):
金沐;
JIN Mu(China Railway Port and Channel Blasting Projects Engineering Co.Ltd.,Guangzhou 510660,China)