摘要
位于城市交通要道的箱式公路铁路立交桥 ,有一箱体破裂急需拆除。拟拆箱体为钢筋砼结构 ,夹在其它箱体中间 ,实体方量共约 2 80 m3。采用加强松动控制爆破和得当的防护措施 ,由非电导爆管并—并—并联起爆网路一次起爆 2 0 0 0多个炮眼装药 ,既拆除了拟拆物 ,又确保了周围构筑物的安全。
The combined corssover box to be demolished has earthwork of 280 m 3 with reinforced concrete structure and among other boxes.The intensed loose blasting and suitable protective measures were adopted, 2000 blastholes were once through fired by non electric fuse parallel network.The crossover box was demolished as well as ensuring the safety of surrounding structures.
出处
《爆破》
CSCD
2001年第2期67-70,共4页
Blasting
