大华山隧道涌水原因分析及处治措施
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摘要
涌水是隧道施工中常见的一种地质灾害,由此引起隧道被淹、围岩失稳及塌方等事故,给隧道安全施工带来较大威胁。查明涌水发生的原因和条件是提出有效防治措施的基础。大华山隧道在施工期间发生了较大规模的涌水现象,通过对隧址区地形地貌、地层岩性及涌水特征的分析,探讨了大华山隧道涌水原因和机制,并在此基础上提出了一系列处置措施,确保了隧道安全穿越涌水地段,对此后施工及类似工程有一定指导意义。
Gushing is one of the common geological disasters in tunnel construction,leading to flooded field,instability of surrounding rock and landslide,bringing great harm to construction safety.The causes and conditions of water gushing must be found so as to take effective prevention and control measures.In the paper,the Dahuashan Tunnel is taken as project background where a large-scale water gushing occurred during the construction,the causes and mechanism of tunnel water gushing are discussed by analyzing topography,lithology of tunnel site and characteristics of gushing.A series of treatment measures are proposed on the basis of previous analysis,and the gushing section of the tunnel is well treated by the methods which can be taken as the reference to the similar projects.
Gushing is one of the common geological disasters in tunnel construction,leading to flooded field,instability of surrounding rock and landslide,bringing great harm to construction safety.The causes and conditions of water gushing must be found so as to take effective prevention and control measures.In the paper,the Dahuashan Tunnel is taken as project background where a large-scale water gushing occurred during the construction,the causes and mechanism of tunnel water gushing are discussed by analyzing topography,lithology of tunnel site and characteristics of gushing.A series of treatment measures are proposed on the basis of previous analysis,and the gushing section of the tunnel is well treated by the methods which can be taken as the reference to the similar projects.
引文
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[3]李利平,李术才,张庆松.岩溶地区隧道裂隙水突出力学机制研究[J].岩土力学,2010,31(2):523-528.
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[5]刘招伟,张顶立,张民庆.圆梁山隧道毛坝向斜高水压富水区注浆施工技术[J].岩石力学与工程学报,2005,24(10):1728-1734.
[6]罗玉虎,李丹,刘亮,等.摩天岭隧道涌水原因分析及处治措施[J]地下空间与工程学报,2011,7(2):408-412.
[7]李治国,孙振川,王小军,等.厦门翔安海底服务隧道F1风化槽注浆堵水技术[J].岩石力学与工程学报,2007,26(增2):3841-3848.
[8]张旭东.深部岩溶隧道溃水成灾机理及其工程处治技术研究[D].重庆:重庆大学,2010.
[9]苏国举.齐岳山隧道岩溶涌水治理关键技术[J].铁道建筑技术,2016,(8):50-54.
[10]雷勇锋.富水隧道排水施工技术研究[J].铁道建筑技术,2017,(3):116-119.
[11]何佩军.野三关隧道穿越高压富水块石充填大型溶洞施工技术研究[J].铁道建筑技术,2017,(5):85-89.
[12]黄劲,荆周宝,李哲,来庆专.三黎高速盘岭隧道富水断层破碎带突水突泥灾害处治[J]华东公路,2015,(3):71-74.