齐热哈嗒尔高地温引水发电隧洞施工影响分析及降温措施研究.PDF
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齐热哈嗒尔高地温引水发电隧洞施工影响分析及降温措施研究
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宿 辉 ,张 宏 ,耿新春 ,唐 阳 ,汪 健
(1.河北工程大学水电学院,河北邯郸 056038;2.新华喀什齐热哈塔尔水电开发有限公司,
新疆 喀什 844000;3.新疆新华水电投资股份有限公司,新疆 喀什 830000)
摘要:齐热哈塔尔水电站工程发电引水隧洞实测掌子面温度达到110℃,对工程的建设产生严重的影响。为保证工程施工的顺利
进行,对隧洞高地温的成因及对隧洞施工的影响进行分析,研究高温环境的降温措施。研究结果表明:1)本区域具有高热流值,高
地温是热流密度沿断层等地质构造传导至地表的结果;2)通过采用隧洞通风与局部通风相结合,低温冷水与人工制冰相结合的降
温技术,较好地解决了隧洞的高温施工问题。
关键词:高地温;引水发电隧洞;通风;降温措施;齐热哈塔尔水电站
DOI:10.3973/j.issn.1672-741X.2014.04.010
中图分类号:U45 文献标志码:A 文章编号:1672-741X(2014)04-0351-05
HydropowerTunnelinHighGeothermalCondition:Influencesof
HighGroundTemperatureandCountermeasures
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SUHui,ZHANGHong,GENGXinchun,TANGYang,WANGJian
(1.SchoolofWaterResourcesandHydropowerEngineering,HebeiUniversityofEngineering,Handan056038,
Hebei,China;2.XinhuaKashiKashgarQirehatalHydropowerDevelopmentCo.,Ltd.,KashiKashgar844000,
Xinjiang,China;3XinjiangXinhuaHydropowerInvestmentCo.,Ltd.,KashiKashgar830000,Xinjiang,China)
Abstract:ThehighesttemperaturemeasuredattheworkingfaceofQirehatalhydropowertunnelreaches110℃,which
hasseriousinfluenceonthetunnelconstruction.Inthepaper,thecausesforthehighgroundtemperatureareanalyzed,
theinfluencesofthehighgroundtemperatureonthetunnelconstructionarestudied,andcoolingmeasuresareproposed,
soastoguaranteethesuccessfulconstructionofthetunnel.Thestudyresultshowsthat:1)Theregionpossessesvery
highheatflowvalue,andtheheatfluxtransferstothegroundsurfacealongthefaults,thusformingthehighgroundtem
peraturesection;2)Technologiesused,suchastunnelventilationcombinedwithlocalventilationandcoldwaterand
artificialice,cansolvethehighgroundtemperatureproblem.
Keywords:highgroundtemperature;hydropowertunnel;ventilation;coolingmeasure;Qirehatalhydropowerstation
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