瓦斯隧道工程勘查技术探讨 | 四川矿业网 关键词：瓦斯隧道；预测；防治；瓦斯爆炸；董家山隧道 [gap=2530]Key words: gas tunnel; prediction; prevention and cure; gas explosion; Dongjiashan tunnel
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High Gas Tunnel 高瓦斯隧道
Gas Tunnel Fac 瓦斯隧道掌子面突出评价
Subaqueous gas Tunnel 水底输气隧道
the roof gas tunnel 顶板瓦斯巷
no bypass gas tunnel 无烟气旁路
coal gas tunnel kiln 煤气隧道窑
Gas Tunnel Classification Assessment 瓦斯隧道分级评价
tunnel gas explosion 隧道瓦斯爆炸
gas explosion in tunnel 隧道瓦斯爆炸
Before charging and blasting in gas tunnel, safety inspection must be done to ensure the gas density less than 1%.
瓦斯隧道装药爆破前必须进行安全检查，确保瓦斯浓度小于1%。
Exemplified by the Dongjiashan tunnel, this paper makes an approach to main problems in the gas tunnel engineering geological investigation.
本文以董家山隧道勘查为例，探讨了在瓦斯隧道勘查中的关键问题，为同类工程提供科学借鉴。
The article introduces the method of contruction and ventilation, and ensures the contruction safety of high gas tunnel with scientific technic step.
分析了瓦斯的性质，隧道瓦斯放出形式及其危害等，并提出了供隧道施工瓦斯防治具体安全技术措施和要求。
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