吉林大学学报(地球科学版) ›› 2021, Vol. 51 ›› Issue (1): 192-200.doi: 10.13278/j.cnki.jjuese.20200065

• 地质工程与环境工程 • 上一篇    

地铁施工对济南白泉泉群流量的影响

束龙仓1,2, 王小博1,2, 李虎3, 倪寒茜1,2, 李罡3, 余亚飞1,2, 王鑫3, 张曼琦1,2   

  1. 1. 河海大学水文水资源与水利工程科学国家重点实验室, 南京 210098;
    2. 河海大学水文水资源学院, 南京 210098;
    3. 济南轨道交通集团有限公司, 济南 250014
  • 收稿日期:2020-03-20 发布日期:2021-02-02
  • 作者简介:束龙仓(1964-),男,教授,博士生导师,主要从事地下水资源评价与管理方面的研究,E-mail:lcshu@hhu.edu.cn
  • 基金资助:
    国家自然科学基金项目（41172203，41572210）；山东省重大创新科技工程项目（2019JZZY020105）

Impact of Subway Construction on Flow of Baiquan Spring Group in Jinan

Shu Longcang1,2, Wang Xiaobo1,2, Li Hu3, Ni Hanxi1,2, Li Gang3, Yu Yafei1,2, Wang Xin3, Zhang Manqi1,2   

  1. 1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China;
    2. College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China;
    3. Jinan Rail Transit Group Co., Ltd, Jinan 250014, China
  • Received:2020-03-20 Published:2021-02-02
  • Supported by:
    Supported by the National Natural Science Foundation of China (41172203,41572210) and the Major Innovation and Technology Projects of Shandong Province (2019JZZY020105)

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摘要： 为研究地铁建设对济南白泉泉群的影响，在综合分析白泉泉域地质、水文地质条件的基础上，假定研究区岩溶强径流带位置及水力性质，利用FEFLOW软件建立地下水流数值模型。以规划地铁M1号线为研究对象，分析了济南东站、梁王站、梁王东站分别施工及3个站同时施工4种情景下，采用施工降水或施工降水+人工回灌两种施工方式对白泉泉群流量的影响。结果表明：单独采用施工降水的施工方式使得白泉泉群流量衰减，其中3个站同时施工对泉流量的影响最大，泉流量最大衰减达5.48%；各站分别施工时，济南东站对泉流量影响最大，泉流量较未施工时减少了0.043×104 m3/d。采用施工降水+人工回灌的施工方式，能够有效缓解泉流量的衰减，各车站施工时的泉流量衰减由仅施工降水时的2.26%~5.48%降低至0.08%~1.21%。岩溶强径流带有利于地下水形成优势径流，促进白泉泉群补给，一定程度上缓解因地铁施工引起的泉流量衰减。

关键词: 济南白泉泉群, 岩溶强径流带, 数值模型, 施工方式, 泉群流量

Abstract: In order to study the impact of subway construction on the Baiquan spring group (BSG) in Jinan, on the basis of the comprehensive analysis of the geological and hydrogeological conditions of Baiquan spring area, assuming the location and hydraulic properties of the karst water strong run-off belt in the study area, a numerical model of groundwater flow was established using FEFLOW software. Taking the planned subway Line M1 as the research object, the two construction scenarios of pumping and pumping with artificial recharge were analyzed in Jinan East Station, Liangwang Station, and Liangwang East Station. The impact on the flow of BSG in different construction scenarios was analyzed. The results show that the pumping alone of the subway station of Line M1 decreases the flow of the BSG. The simultaneous construction of the three stations has the greatest impact on the spring flow, and the maximum attenuation is 5.48%. When each of the three station is constructed separately, the Jinan East Station has a greatest impact on the spring flow. The spring flow rate is reduced by 0.043×104 m3/d compared to that without construction. Pumping construction with artificial recharge can effectively mitigate spring flow attenuation. The attenuation of spring flow during the construction of different stationsis reduced from 2.26%-5.48% during the construction of pumping alone to 0.08%-1.21% during the construction of pumping with artificial recharge. The strong run-off belts of karst water will form the preferential run-off of groundwater, promote the recharge of BSG, and alleviate the spring flow attenuation caused by subway construction to a certain extent.

Key words: Jinan Baiquan spring group, karst water strong run-off belts, numerical model, construction methods, springs flow

中图分类号: 

  • P641.8
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