多种起爆及装药组合降振技术在大型露天矿山的应用

Application of a Combined Blasting Technique for Reducing Vibration in a Large Openpit Mine

为保护中铁资源集团刚果(金)绿纱铜钴矿山附近的教会女子学校校舍及人员安全,寻求合理的降振方案,中铁资源公司在鹿鸣露天矿山进行了爆破降振试验,以独立或相结合的方式引入了逐孔起爆、分段装药、预裂爆破等多种降振技术,使爆破振动水平显著降低,取得了较好的预期效果。

In order to protect a church school close to Lusha mine in Congo Dem. Rep. and seek for a reasonable vibration control method, some verify tests are conducted in Luming mine. Using hole-by- hole blasting technology, deck charging and pre-split blasting method are used to control vibration, and finally the vibration are reduced significantly.