一、概述地下工程的控制爆破(光面爆破、预裂爆破)是一种有效控制开挖质量的爆破新技术,特别是光面爆破已在各种类型的地下工程中得到广泛的应用,并日益被设计、施工等部门所重视。通常,控制爆破使用的爆破器材是导爆索和电雷管。但我们自1980年起,在江苏省冶山铁矿装运机峒室及近百米运输大巷控制爆破 I. Overview Controlled blasting (smooth blasting and presplitting blasting) of underground works is a new blasting technology that effectively controls the quality of excavation. In particular, smooth blasting has been widely used in various types of underground works and Increasingly, design, construction and other departments attach importance. In general, blasting equipment used for controlled blasting are detonating cables and electric detonators. However, since 1980, we have controlled the blasting at the Yijiang iron ore carrier and the nearly 100-meter transport lane in Jiangsu Province