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舒诗湖1，何文杰1，2，高金良1，赵洪宾1
(1.哈尔滨工业大学 市政环境工程学院，黑龙江 哈尔滨 150090；2.天津市
自来水集团有限公司，天津 300040)
摘要：介绍了管道比阻测试原理，对传统测试方法进行了改进；同时介绍了测试管段的选择原则和几种测试方法的适用条件。通过对“二点法”、“三点法”、“四点法”和“五点法”等方法的分析，提出“四点法”是适应我国供水管网中管道比阻测试的切实可行的方法。
关键词：供水管网；管道；比阻；改进
Improvement on Testing Resistance Coefficient ofWater Pipes in Urban Water Distribution Networks
SHU Shi-hu1，HE Wen-jie1， 2，GAO Jin-liang1，ZHAO Hongbin1
(1.School of Municipal and Environmental Engineering， Harbin Institute of Technology， Harbin 150090，China；2.Tianjin Water Works Group Company Limited， Tianjin 300040，China)
Abstract：The theory of testing resistance coefficient of water pipes，the principle of choosing the testing pipes and the working condition of these methods were introduced.The traditional testing method was improved， and by analyzing these methods， a testing method which was fit for the testing of water pipes in water distribution network of China was presented.
Key words： water distribution network； water pipes； resistance coefficient；improvement | 