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隧道建设(中英文) ›› 2011, Vol. 31 ›› Issue (S1): 24-31.

• 研究与探索 • 上一篇    下一篇

台北盆地深开挖大规模群井抽水试验三维水文地质分析

林坤霖1,高宗正2,陈鸿涛3,谢宇珩3,孙吉甯3,常辉庭3   

  1. (1.中兴工程顾问公司, 台北; 2.新北市政府工务局, 新北市; 3.台北市政府捷运工程局北区工程处, 台北)
  • 收稿日期:2011-04-15 出版日期:2011-08-05 发布日期:2011-11-04
  • 作者简介:林坤霖(1965—),台北市,1989年毕业于中央大学土木工程研究所,硕士,正工程师,现从事捷运工程方面规划及设计统合与管理。

3D Simulations of Groundwater Flow during Largescale Pumping Test of Group Wells in Taipei Basin

LIN Kunlin1,KAO Chungcheng2,CHEN Hongtao3,Shieh Yeuhen3,SUN Chining3,CHANG Hueiting3   

  1. (1.Sinotech Engineering Consultants, Ltd., Taipei; 2.Public Works Department, New Taipei City Government, New Taipei City; 3. North District Project Office Department of Rapid Transit Systems, Taipei City Government, Taipei)
  • Received:2011-04-15 Online:2011-08-05 Published:2011-11-04

摘要: 基于台北盆地大量且大范围之地质钻探及地下水量测资料,并应用3D有限差分地下水流分析程序GMS内建之MODFLOW模块,尝试建立台北盆地之区域水文地质概念模型(regional hydrogeological conceptual model)。〖BFQ〗此概念模式藉由台北捷运深开挖中之大规模群井抽水试验结果验证其正确性及适用性。同时,抽水试验中之地下水位泄降量等资料亦被使用于景美砾石层受限(confined)含水层水力参数之分析及评估。最后,边界效应、补注及垂〖BF〗直渗流(leakage)亦将进行初步探讨,做为后续类似工程之参考。

关键词: 群井抽水试验, 概念模型, 景美砾石层, 台北盆地, MODFLOW

Abstract: The regional hydrogeological conceptual model of Taipei Basin is established by means of 3D finitedifference groundwater flow model, that is MODFLOW, on bais of the numerous and widespread data of geological exploration and groundwater measurement. The regional groundwater flow during the large-scale pumping test of group wells for the deep excavations of Taipei MRT underground stations is simulated by means of conceptual model. The monitoring data of groundwater pressure after drawdown during the pumping test are recorded, so as to analyze and evaluate the nearfield hydraulic parameters of the deep confined aquifer in Taipei Basin. In the end, the effects of boundaries, recharges and vertical leakages on the simulations of groundwater flow are discussed.

Key words: group wells pumping test, conceptual model, Jinmei gravel strata, Taipei Basin, MODFLOW