According to the characteristics of Dachashan gas outburst tunnel coal measure strata of Shanghai-Kunming high-speed rail, from the all closed lining structure, coal burst prevention, construction ventilation, construction organization, blind drainage and gas emissions, operation ventilation and other aspects, this paper introduced the system design situation during Dachashan tunnel construction and operation period, provided way for similar engineering design.%根据沪昆高铁大茶山瓦斯突出隧道煤系地层的特性,从全封闭衬砌结构、揭煤防突、施工通风、施工组织、盲沟排水与瓦斯排放、运营通风等方面,介绍了大茶山隧道施工期间及运营期间的系统设计情况,为类似工程设计提供了思路.
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