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现主要介绍长大铁路隧道工程平行导坑和正洞的设计标准以及技术施工要点。全面具体地介绍了长大铁路隧道工程测量和测试、施工通风和防尘、弹性整体道床、施工机具和配备、隧道开挖和支护、防排水等方面的技术工作,同时,解决了长距离独头通风、软弱围岩的超前防坍塌预支护、GPS定位引导、有轨与无轨运输设备相匹配、无滴防渗水、光面爆破、弹性整体道床的半机械化铺设、复合式衬砌等多项技术方面的难题。
Now mainly introduces the design criteria and the technical construction points of the parallel guide pit and the straight hole of the Chang-Tai railway tunnel project. Comprehensively and concretely introduced the technical work of measurement and testing of the long-and-large-scale railway tunnel engineering, ventilation and dust-proofing in construction, flexible integral track bed, construction machinery and equipment, tunnel excavation and support, drainage and drainage and the like, and solved the problems of long distance Dull and ventilative, pre-support of collapsible and collapsing surrounding soft rock, GPS positioning and guidance, matching of rail and trolley transport equipment, drip-proof seepage water, smooth blasting, semi-mechanized laying of flexible monolithic ballast, composite lining and many more The technical aspects of the problem.