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不良地质小断面隧洞快速开挖技术

Rapid Excavation Technology for Small Section Tunnels in Bad Geology
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摘要 目前,钻爆法是国内外隧洞开挖的常规施工方法。对于超长隧洞,在条件允许的情况下,也采用铣挖机,但此两种方法各有劣势。根据本工程隧洞地质条件、岩石特征,在甘肃省引洮供水二期主体工程第18标34~#隧洞采用岩石掘进机进行施工。对掘进机在34~#隧洞中的应用进行总结,结论可为类似工程提供借鉴。 At present, drill-and-blast method is the conventional construction method for tunnel excavation at home and abroad. For ultra-long tunnels, milling machines are also used when conditions permit, but these two methods have their own disadvantages. According to the geological conditions and rock characteristics of the tunnel in this project, rock boring machines are used for construction in the 18 th bid 34# tunnel of the main project of Yintao Water Supply Phase II in Gansu Province. The application of roadheader in 34# tunnel is summarized, and the conclusion can provide reference for similar projects.
作者 张松艳 李凯亚 李江毅 Zhang Songyan;Li Kaiya;Li Jiangyi(Sinohydro Bureau 11Co.,Ltd,Zhengzhou 450001,Henan)
出处 《陕西水利》 2022年第9期91-93,共3页 Shaanxi Water Resources
关键词 不良地质 小断面隧洞 开挖 Bad geology small section tunnel excavation
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