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甘終線程家坬鐵路隧道滲漏水、脫塊掉塊病害綜合整治

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甘鐘線程家坬隧道中心里程K594+778,隧道全長1023.35米,修建于70年代中期,已經運行四十余年,受當時施工條件的約束,施工工藝及施工技術并不完善,隧道遺留諸多缺陷。 經現場探測,混凝土局部振搗不實、隧道結構厚度不均勻,二襯最薄處僅約7cm,受高原氣候及通過重載列車時高頻震動擾動影響,隧道拱頂結構出現諸多不規則裂縫引起隧道嚴重滲漏水以及K594+960處出現脫塊掉塊現象。

1、現場勘查、施工前技術交底

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  • 2、鐵路隧道襯砌脫塊掉塊補強加固治理

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  1. 3、隧道滲漏水病害綜合治理

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4、隧道滲漏、掉塊病害整治后效果圖 

   


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