The construction practice indicated that the blasting efficiency in drift was improved and good economic benefits were obtained by the adoption of single helix cutting mode.
实践表明，采用单螺旋掏槽方式提高了平巷掘进爆破效率，取得了良好的经济效益。
This paper introduces driving rock drift with minor diameter bit, minor diameter cartridage and minor diameter bolt, it can realize smooth blasting, roadway speed is raised, driving cost is reduced.
在岩巷掘进过程中使用小直经钻尖，小直径药卷和小直径锚杆，可实现光面爆破，有效提高成巷建设，降低掘进成本。
This paper introduces how to set up a design system for drift excavating blasting based-on knowledge, and to use the system for assistant design of drift excavating blasting.
本文介绍了如何建立基于知识的平巷掘进爆破设计系统，用于辅助平巷掘进爆破设计。
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