本文選題：引漢濟(jì)渭工程 + 黃三隧洞��； 參考：《水利水電技術(shù)》2017年08期

【摘要】：引漢濟(jì)渭工程黃三段深埋長輸水隧洞巖性復(fù)雜多變,水文地質(zhì)條件極其復(fù)雜。為深入分析黃三段水文地質(zhì)條件,采用地下水同位素綜合示蹤探測手段,對黃三隧洞沿線鉆孔、大坪隧道、良心河、沙坪河等區(qū)域進(jìn)行現(xiàn)場測試及取樣室內(nèi)分析。通過對溫度、電導(dǎo)、水化學(xué)及環(huán)境同位素、地下水流速等方面的綜合分析,結(jié)合水文地質(zhì)測繪、試驗(yàn)等基礎(chǔ)性工作,對地下水補(bǔ)給、徑流、排泄條件,水力聯(lián)系及連通性等方面進(jìn)行了評價(jià)。研究結(jié)果表明:黃三隧洞南部和中部存在富水帶,地下水主要受大氣降水補(bǔ)給;圍巖可劃分為中等富水區(qū)、弱富水區(qū)、貧水區(qū),分別占隧洞全長的7.9%、15.4%、76.7%;實(shí)際揭露涌水量與原設(shè)計(jì)預(yù)測情況一致,驗(yàn)證了同位素綜合示蹤探測方法的有效性。研究成果對同類工程具有一定的工程實(shí)際應(yīng)用參考價(jià)值。
[Abstract]:The lithology and hydrogeological conditions of the deep buried long water conveyance tunnel in the third section of Huanghuangji Wei Project are very complicated. In order to deeply analyze the hydrogeological conditions of the third member of the Yellow River, the site test and sampling laboratory analysis were carried out in the areas of drilling hole, Daping tunnel, conscience River and Shaping River along the Yellow River third Tunnel by using the comprehensive tracer detection method of groundwater isotope. Through the comprehensive analysis of temperature, electrical conductivity, hydrochemistry and environmental isotopes, and groundwater velocity, combined with basic work such as hydrogeological mapping and testing, the conditions of groundwater recharge, runoff and discharge are studied. Hydraulic connection and connectivity were evaluated. The results show that there are water-rich zones in the south and middle of the Yellow River third Tunnel, the groundwater is mainly recharged by atmospheric precipitation, and the surrounding rock can be divided into middle water-rich areas, weak water-rich areas and water-poor areas. Respectively, 7.9% of the total length of the tunnel is 7.9% and 15.4% of the total length of the tunnel, respectively. The actual disclosure of water discharge is consistent with the original design prediction, which verifies the effectiveness of the comprehensive isotope tracer detection method. The research results have certain reference value for similar projects.
【作者單位】： 陜西省引漢濟(jì)渭工程建設(shè)有限公司;黃河勘測規(guī)劃設(shè)計(jì)有限公司;
【基金】：國家重點(diǎn)研發(fā)計(jì)劃課題(2016YFC0401801)
【分類號】：P641.7;TV68

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