陇南文县阳山矿区破碎岩层小断面坑道施工技术

Construction Technology of Small-section Tunnel in Crumbly Strata of Yangshan Mining Area

摘要:

光面爆破法和新奥法在陇南文县阳山矿区PD103平硐施工中取得了非常好的效果。介绍了破碎岩层中小断面坑道的爆破参数和施工技术。

Abstract:

Good results were achieved in PD103 adit of Yangshan mining area in South Gansu by smooth blasting and new Austrian method. The paper introduced the blasting parameters and construction technology for small section tunnel in crumbly strata.