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

宿辉; 张宏; 耿新春; 唐阳; 汪健

doi:10.3973/j.issn.1672-741X.2014.04.010

隧道建设 >

2014 , Vol. 34 >Issue 4: 351 - 355

DOI: https://doi.org/10.3973/j.issn.1672-741X.2014.04.010

施工技术

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

宿辉 ,
张宏 ,
耿新春 ,
唐阳 ,
汪健

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（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）

宿辉（1972—），男，河北保定人，1994年毕业于华北水利水电学院,水工结构专业，博士，教授，主要从事水工隧洞安全领域的研究工作。

收稿日期: 2014-01-22

修回日期: 2014-02-09

网络出版日期: 2014-04-25

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Hydropower Tunnel in High Geothermal Condition: Influences of  High Ground Temperature and Countermeasures

SU Hui ,
ZHANG Hong ,
GENG Xinchun ,
TANG Yang ,
WANG Jian

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(1. School of Water Resources and Hydropower Engineering, Hebei University of Engineering, Handan 056038,  Hebei, China; 2. Xinhua KashiKashgar Qireha tal Hydropower Development Co., Ltd., KashiKashgar 844000,  Xinjiang, China; 3 Xinjiang Xinhua Hydropower Investment Co., Ltd., KashiKashgar 830000, Xinjiang, China)

Received date: 2014-01-22

Revised date: 2014-02-09

Online published: 2014-04-25

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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

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宿辉 , 张宏 , 耿新春 , 唐阳 , 汪健 . 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[J]. 隧道建设, 2014 , 34(4) : 351 -355 . DOI: 10.3973/j.issn.1672-741X.2014.04.010

Abstract

The highest temperature measured at the working face of Qireha tal hydropower tunnel reaches 110 ℃, which has serious influence on the tunnel construction. In the paper, the causes for the high ground temperature are analyzed, the influences of the high ground temperature on the tunnel construction are studied, and cooling measures are proposed, so as to guarantee the successful construction of the tunnel. The study result shows that: 1) The region possesses very high heat flow value, and the heat flux transfers to the ground surface along the faults, thus forming the high ground temperature section; 2) Technologies used, such as tunnel ventilation combined with local ventilation and cold water and artificial ice, can solve the high ground temperature problem.

Key words： high ground temperature; hydropower tunnel; ventilation; cooling measure; Qireha tal hydropower station

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