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首页> 外文学位 >Simulation of dewatering during construction of a bedrock tunnel, Nepean, Ontario.
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Simulation of dewatering during construction of a bedrock tunnel, Nepean, Ontario.

机译：安大略省Nepean基岩隧道施工期间的脱水模拟。

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摘要

This thesis presents the results of groundwater flow modeling completed to simulate the effects of construction dewatering during the advance of a bedrock tunnel through an aquifer that serves as the source of water for numerous adjacent domestic water wells. The modeling was retrospective and consequently a large amount of data collected during the course of the tunnel project was available for the purpose of model calibration. Actual drawdown levels due to tunnel dewatering resulted in a significant number of well interference problems.The model was constructed through the application of standard groundwater flow modeling techniques using the United States Geological Survey's modular groundwater flow modeling program (MODFLOW), and was designed to provide a reasonable representation of the groundwater flow system within which the tunnel was constructed. The model simulated the tunnel as a drain which advances with time through the use of successive stress periods.An evaluation of grouting efforts that were undertaken to reduce the rate of groundwater inflow to the tunnel was completed. (Abstract shortened by UMI.)
机译：本文介绍了完成的地下水流模拟结果，以模拟在基岩隧道穿过含水层前进过程中施工脱水的影响，该含水层是众多相邻家庭水井的水源。建模是回顾性的，因此在隧道项目过程中收集的大量数据可用于模型校准。隧道脱水导致的实际水位下降导致大量的井眼干扰问题。该模型是使用美国地质调查局的模块化地下水流建模程序（MODFLOW）通过应用标准地下水流建模技术构建的，旨在提供合理地表示建造隧道的地下水流系统。该模型通过使用连续的应力周期将隧道模拟为随时间推移而发展的排水渠，并完成了为减少地下水流入隧道而进行的注浆工作的评估。 （摘要由UMI缩短。）

著录项

  • 作者

    Loney, Brent.;

  • 作者单位

    University of Ottawa (Canada).;

  • 授予单位 University of Ottawa (Canada).;
  • 学科 Hydrology.Engineering Civil.
  • 学位 M.Sc.
  • 年度 2000
  • 页码 102 p.
  • 总页数 102
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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