Pipe breaks and estimating the impact of pressure control in water supply networks
Pipe breaks and estimating the impact of pressure control in water supply networks
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DOI：
10.1016/j.ress.2021.107525
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发表时间：
2021
期刊：
影响因子：
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通讯作者：
Carlos Jara-Arriagada;I. Stoianov
中科院分区：
文献类型：
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作者：
Carlos Jara-Arriagada;I. Stoianov
供水管道的老化和断裂对饮用水的持续供应构成重大威胁。管道内的水压是导致管道破裂的一个重要因素。然而，到目前为止，对压力控制对减少管道破裂数量的影响进行定量评估的证据很少。在本文中，我们应用多项式项的逻辑回归和敏感性分析来评估压力控制对减少管道破裂的潜在影响。使用了大量的历史管道破裂数据集来开发和验证所提出的方法。对铸铁管和石棉水泥管进行了详细检查。结果表明，通过降低石棉水泥和铸铁管道的平均压力，管道破裂可以减少18%至30%。压力范围的减小会对两种管道材料产生更大的影响。这些结果表明，主动控制水力压力可能对供水网络的可靠性和可持续性产生潜在的重大影响。
The deterioration and fracture of water supply pipes present a major threat for the continuous provision of drinking water. The hydraulic pressure in pipes is an influential factor for the occurrence of pipe breaks. However, little evidence has been provided so far for the quantitative assessment of the impact of pressure control on reducing the number of pipe breaks. In this paper, we applied logistic regression with polynomial terms, and a sensitivity analysis to assess the potential impact of pressure control on reducing pipe breaks. A large dataset of historic pipe breaks was used to develop and validate the presented method. Cast iron and asbestos cement pipes were examined in detail. Results showed that pipe breaks could be decreased by 18% to 30% by reducing the mean pressure for the investigated cohorts of asbestos cement and cast iron pipes. Pressure range reduction could provide larger impacts on both pipe materials. These results indicate that proactively controlling the hydraulic pressure may have a potentially significant impact on the reliability and sustainability of water supply networks.