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A Qualitative Approach to Determine the Areas of Highest Inflow and Infiltration in Underground Infrastructure for Urban Area

机译：确定城区地下基础设施中最高流入和渗透领域的定性方法

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摘要

Inflow and infiltration (I&I) is an unavoidable problem which affects underground infrastructures such as water mains, sewer lines, and storm water systems. The additional water and intruded debris, due to I&I, can hinder the flow capacity of the pipe network. However, with proper management, such problems can be minimized or controlled. By using a qualitative approach to determine the areas susceptible to I&I, application of geographic information system (GIS) can minimize cost and time. The results found can highlight the most I&I vulnerable areas, which can be used for underground infrastructure management. In this study, maps of Youngstown's sewer lines and surrounding areas were generated and used. Pipe age, an empirical operating coefficient, sewer classifications, and soil hydraulics were the parameters used to identify each pipe segments. The results of this study show that majority of pipelines from downtown and south side of the city were determined to be in very poor conditions. The method used in this study reduces the scale of work, by generating a map, indicating areas with highest susceptibility.
机译：流入和渗透（I＆I）是一个不可避免的问题，影响地下基础设施，如水管，下水道线和雨水系统。由于I＆I，额外的水和侵入碎片，可以阻碍管网的流量。但是，通过适当的管理，可以最小化或控制这些问题。通过使用定性方法来确定易受I＆I的区域，地理信息系统（GIS）的应用可以最大限度地减少成本和时间。找到的结果可以突出显示最多的I＆i弱势区域，可用于地下基础架构管理。在这项研究中，生成并使用了扬树下水道线和周围区域的地图。管道时代，经验运行系数，下水道分类和土壤液压器是用于识别每个管道段的参数。这项研究的结果表明，城市市中心和南侧的大多数管道被确定在非常贫困的情况下。本研究中使用的方法通过生成地图来减少工作规模，指示具有最高易感性的区域。

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  • 来源
    《Advances in civil engineering》 |2019年第2期|2620459.1-2620459.11|共11页
  • 作者

    Thapa J. B.; Jung J. K.; Yovichin R. D. III;

  • 作者单位

    Browder LeGuizamon & Associates Inc Atlanta GA USA;

    Virginia Mil Inst Dept Civil & Environm Engn Lexington VA 24450 USA;

    McMillen Jacobs Associates Mayfield Hts OH USA;

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