【摘要】：研究目的:太原至焦作城際鐵路于晉豫省界以南太行隧道越嶺,區(qū)內奧陶系、寒武系碳酸鹽巖建造發(fā)育,巖溶地下水條件復雜。為研究南太行隧道水文地質特征,準確預測隧道施工水文條件,本文主要分析區(qū)內三姑泉域、延河泉域及其他散泉泉域的地貌特征、構造聯(lián)系、巖性特點、泉域水位及補給、徑流、排泄條件等。研究結論:(1)三姑泉域、延河泉域及其他散泉泉域的水文條件與隧址地貌特點、地層巖性條件相似,泉域水文對隧道建設有一定影響;(2)隧道修建雖不受地表徑流影響,但區(qū)內地下水儲量相對較大,隧道修建切斷了地下水滲流通道,導致部分段落涌水量預計較大,需采取堵排結合的措施,避免引起環(huán)境水文問題;(3)該研究結論對隧道工程施工、區(qū)域水文研究有一定的參考價值。
[Abstract]:Research purpose: Taiyuan to Jiaozuo intercity railway in Taihang tunnel south of Shanxi and Henan province, Ordovician, Cambrian carbonate rock formation developed, karst groundwater condition is complex. In order to study the hydrogeological characteristics of the South Taihang Tunnel and accurately predict the hydrological conditions of the tunnel construction, this paper mainly analyzes the geomorphological features, tectonic connections, lithologic characteristics, water level and recharge of the Sangu spring, Yanhe spring and other scattered spring springs in this area. Runoff, discharge conditions, etc. The research conclusions are as follows: (1) the hydrological conditions of Sangu spring region, Yanhe spring area and other scattered spring areas are similar to those of tunnel site geomorphology, the stratigraphic lithologic conditions are similar, and spring hydrology has certain influence on tunnel construction; (2) although tunnel construction is not affected by surface runoff, However, the underground water reserves in the area are relatively large, the tunnel construction has cut off the seepage passage of groundwater, which leads to the large water inflow in some sections, so it is necessary to take the measures of combining plugging and drainage to avoid causing environmental hydrological problems. (3) the conclusion of the study is to the tunnel construction. The study of regional hydrology has certain reference value.
【作者單位】： 中鐵工程設計咨詢集團有限公司;
【分類號】：U452.11

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本文編號：2223675