南太行隧道区域泉域特征及隧道水文分析
发布时间：2018-09-05 08:02
【摘要】：研究目的:太原至焦作城际铁路于晋豫省界以南太行隧道越岭,区内奥陶系、寒武系碳酸盐岩建造发育,岩溶地下水条件复杂。为研究南太行隧道水文地质特征,准确预测隧道施工水文条件,本文主要分析区内三姑泉域、延河泉域及其他散泉泉域的地貌特征、构造联系、岩性特点、泉域水位及补给、径流、排泄条件等。研究结论:(1)三姑泉域、延河泉域及其他散泉泉域的水文条件与隧址地貌特点、地层岩性条件相似,泉域水文对隧道建设有一定影响;(2)隧道修建虽不受地表径流影响,但区内地下水储量相对较大,隧道修建切断了地下水渗流通道,导致部分段落涌水量预计较大,需采取堵排结合的措施,避免引起环境水文问题;(3)该研究结论对隧道工程施工、区域水文研究有一定的参考价值。
[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.
【作者单位】： 中铁工程设计咨询集团有限公司;
【分类号】：U452.11
[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.
【作者单位】： 中铁工程设计咨询集团有限公司;
【分类号】：U452.11
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