| 长大公路隧道通风斜井地下风机房洞室瓦斯地层施工技术 |
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| 引用本文： | 张国松.长大公路隧道通风斜井地下风机房洞室瓦斯地层施工技术[J].国防交通工程与技术,2012(1):64-67,33,40. |
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| 作者姓名： | 张国松 |
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| 作者单位： | 中铁十九局集团第三有限公司,辽宁辽阳111000 |
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| 摘 要： | 白云隧道地下风机房穿越煤系地层,施工中所有平巷均存在瓦斯。介绍了白云隧道通风斜井地下风机房洞室在瓦斯地层中施工所采取的综合治理措施：超前预注浆防护、加强初支、改进通风、实施瓦斯监测等。采用上述措施最终安全、顺利地通过了瓦斯出露段,施工经验可供同类工程建设者参考。
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| 关 键 词： | 瓦斯隧道 施工监测 通风斜井地下风机房洞室 超前预注浆 初期支护 |
Construction Techniques for Chambers for Underground Fans Inside the Ventilating Shafts of Long Highway Tunnels in Gas Strata |
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| Zhang Guosong.Construction Techniques for Chambers for Underground Fans Inside the Ventilating Shafts of Long Highway Tunnels in Gas Strata[J].Traffic Engineering and Technology for National Defence,2012(1):64-67,33,40. |
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| Authors: | Zhang Guosong |
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| Institution: | Zhang Guosong(The Third Co.Ltd.of the 19th Bureau Group of the Railway Building Corporation of China,Liaoyang 111000,China) |
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| Abstract: | With chambers of the underground fans for the White Clouds Tunnel going through the coal strata,gas exists in all the level shafts during construction.Introduced in the paper are the comprehensive tackling measures adopted for the construction of chambers of the underground fans in the gas-bearing strata,such as advanced pre-slip-casting and supporting,strengthening the initial supporting,improving ventilation,practicing gas-monitoring,etc.With all the above-mentioned measures adopted,construction is successfully performed throughout all the gas-leaking strata.The experience obtained from the construction may serve as a useful reference for the builders of other similar projects. |
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| Keywords: | tunnels with gas supervision during the construction chamber for the underground fan inside the ventilating shaft advanced pre-slip-casting initial supporting |
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