光面爆破技术在向莆铁路青云山特长隧道工程中的应用 |
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引用本文: | 毛建安. 光面爆破技术在向莆铁路青云山特长隧道工程中的应用[J]. 国防交通工程与技术, 2011, 9(4): 57-59,63 |
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作者姓名: | 毛建安 |
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作者单位: | 西安铁一院工程咨询监理有限责任公司,陕西西安,710043 |
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摘 要: | 光面爆破设计是隧道工程建设确保质量安全的核心技术要素。向莆铁路青云山特长隧道采用钻爆法施工。穿越围岩以Ⅱ~Ⅲ级为主,此地段采用全断面法开挖;进出口与浅埋地段等部分为Ⅳ、Ⅴ级围岩,采用台阶法施工,围岩较差段采用弧形开挖预留核心土方法施工。不同级别围岩采用了针对性的爆破设计,取得了满意的爆破效果。适当加密周边眼、合理确定光...
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关 键 词: | 特长隧道 光面爆破 爆破参数 钻眼布置 装药 堵塞 起爆 |
The Application of the Smooth-Faced Blasting Technique to the Qingyunshan Tunnel of the Xiangpu Railway |
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Affiliation: | Mao JianPan (The Xi'an Engineering Consultancy & Supervision Co. Ltd. of the First Reconnaissance and Design Institution of the Railway Ministry of China,Xi'an 710043 ,China |
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Abstract: | The smooth-faced blasting design is the key technical element to ensure the quality and safety of the construction of tunnel projects. The Qingyunshan Extra-long Tunnel of the Xiangpu Railway is built by means of the drilling-and-blasting method. The surr |
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Keywords: | extra-long tunnel smooth-faced blasting blasting parameter layout of holes to be drilled charge block detonate |
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