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本文主要介绍了黄韩候铁路北塬隧道3#斜井主洞大断面黄土隧道下穿住宅区的爆破工程措施、施工方案及方案的实施情况,探讨了在软弱围岩地段隧道爆破施工技术,分析了光面爆破设计及安全施工对策,并对钻爆法的设计施工组织为同类工程提供参考。
This article mainly introduces the blasting engineering measures, construction schemes and implementation of the scheme of the large section loess tunnel under the main tunnel of No. 3 inclined shaft of Beianyuan Tunnel of Huanghan-Huanghuai Railway, and explores the tunnel blasting construction technology in the weak surrounding rock area, The design of smooth blasting and the safe construction countermeasures are analyzed. The design and construction organization of the blasting blasting method can provide a reference for similar projects.