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Risk Factors of Structural Degradation of an Urban Water Distribution System

机译:城市给水系统结构退化的危险因素

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The research team evaluates whether a proportional hazards model can successfully be applied to a water distribution piping network located in a complex urban area in order to identify which risk factors play a role in the failure of urban water pipes, to what extent, and, for each pipe, to forecast the number of future breaks. Risk factors can be inherent to the pipe (material, diameter, length, date of installation, break history) or reflecting environmental conditions (traffic, water zone, proximity to subways, highways.) Long Island City, an area of New York City with 220 miles of water pipes and 20 years of break data (1982-2002) constitutes the case study. Various conditions of applicability pertaining to the stratification of the data based on material, break frequency, and history are examined.
机译:研究小组评估了比例风险模型是否可以成功地应用于复杂城市地区的供水管网中,以确定哪些风险因素在城市水管故障中发挥了作用,以及在何种程度上每个管道,以预测将来的中断次数。风险因素可能是管道固有的(材料,直径,长度,安装日期,破损历史记录)或反映的环境条件(交通,水域,地铁,公路附近)。长岛市是纽约市的一个地区,该案例研究包括220英里的水管和20年的断裂数据(1982年至2002年)。研究了与基于材料,中断频率和历史记录的数据分层有关的各种适用条件。

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