318国道和中尼公路的路堑石方开挖中，采用中小型条形药包爆破技术获得成功，半年时间完成28万m3的石方爆破任务，取得了一次爆破基本成形的效果，同时保证了安全。结合工程实践就爆破的设计、施工及经济效益做介绍，以供读者参考。 In the excavation of the rock excavation on the No.318 National Highway and the Sino-Nepal Highway, the small and medium-sized strip-shaped projectile blasting technology was successful. The semi-annual completion of 280,000 m3 of stone blasting tasks achieved the primary blasting effect and ensured Safety. Combined with engineering practice on blasting design, construction and economic benefits to do for readers reference.