西沟石灰石矿在降段与掘沟爆破中的经验

THE EXPERIENCE ON BLASTING OF CUTTING BENCHAND DIGGING TRENCH IN XIGOU LIMESTONE MINE

介绍了山坡露天矿——西沟石灰石矿在溜井降段与掘沟（出入沟）爆破设计和爆破施工中的经验，由于爆破参数设计合理，施工质量较好，达到了预期的目的，可供同类矿山参考借鉴。

In this paper,the experience of design and construction on blasting of cutting bench of ore pass and digging trench(seam road)in Xigou Limestone Mine(open pit)is briefly introducedOn the basis of reasonabledesign of blasting parameters and goodquality of construction,the blasting results were satisfiedThe experience can be an example as reference for other mine