Hot Spot Analysis of Water Main Failures in California

被引：19
|
作者：
Garcia, Diego Martinez [1 ]
Lee, Juneseok [1 ]
Keck, Jonathan [2 ]
Yang, Paul [3 ]
Guzzetta, Robert [4 ]
机构：
[1] San Jose State Univ, Dept Civil & Environm Engn, Dept Civil Engn, One Washington Sq, San Jose, CA 95192 USA
[2] Calif Water Serv Co, Special Projects, San Jose, CA USA
[3] Calif Water Serv Co, Asset Management, San Jose, CA USA
[4] Calif Water Serv Co, San Jose, CA USA
来源：
JOURNAL AMERICAN WATER WORKS ASSOCIATION | 2018年 / 110卷 / 06期
关键词：
hot spots; multivariate linear regression; pipe materials; water mains; DISTRIBUTION-SYSTEMS; PIPE BREAKAGE; REHABILITATION; MODELS;
D O I：
10.1002/awwa.1039
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The objectives of this study were to apply clustering analysis to identify abnormally high concentrations of water main failures (i.e., hot spots) for three selected service areas in California; perform multivariate linear regression for both the three hot spots and all main failures, taking into account pipe materials, diameter, hydraulic pressure, season, soil, length, air temperature, and water content; and compare major differences between the two regression results. Each case study site demonstrated unique failure mechanisms and spatial patterns. Selected pipe materials, season, diameter, and soil type demonstrated statistically significant effects on pipe longevity, accompanied by distinct characteristics for hot spots. This project lays the foundation for a standardized platform and approach to sustainable life cycle assessments for individual water infrastructure elements.
引用
收藏
页码：E39 / E49
页数：11
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