[1]徐剑乔,袁一星,吴晨光.给水管道外包式管件设计及修复实验[J].中国给水排水,2021,37(17):44-49.
　XU Jian-qiao,YUAN Yi-xing,WU Chen-guang.Design of Outsourcing Pipe Fittings and Repair Test for Water Supply Pipeline[J].China Water & Wastewater,2021,37(17):44-49.
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给水管道外包式管件设计及修复实验

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第37卷 期数: 2021年第17期 页码: 44-49 栏目: 出版日期: 2021-09-01
Title:
Design of Outsourcing Pipe Fittings and Repair Test for Water Supply Pipeline
作者:
徐剑乔1，袁一星2，吴晨光2
(1.中铁第四勘察设计院集团有限公司，湖北武汉430063;2.哈尔滨工业大学环境学院，黑龙江哈尔滨150090)
Author(s):
XU Jian-qiao1,YUAN Yi-xing2,WU Chen-guang2
(1. China Railway Siyuan Survey and Design Group Co. Ltd.， Wuhan 430063， China; 2. School of Environment, Harbin Institute of Technology， Harbin 150090， China)
关键词:
给水管道; 漏失监测; 管道补强; 主动修复
Keywords:
water supply pipeline; leakage monitoring; pipeline reinforcement; active repair
摘要:
针对管道薄弱位置，提出主动修复的概念，并设计了用于管道薄弱位置修复的外包式管件。通过在管件腔体内部填充吸水膨胀橡胶和安装应变片，可实现外包式管件的漏失自修复与漏失监测两大功能。为了验证外包式管件的实际应用效果，采用碳钢制作了应用于管道法兰接口的外包式管件，并进行了“动态通水”实验。实验中，将应变传感器粘贴在硫化型膨胀橡胶表面，在漏失发生0.5 h内就可以监测到明显的漏失信号，在漏失发生的72 h，填充在管件腔体内的吸水膨胀橡胶可以将漏失率降低90%以上。外包式管件在漏失监测与自修复两方面均表现出优越的性能。
Abstract:
The concept of active repair was proposed for repair of the weak position of the pipeline, and an outsourcing pipe fitting for reinforcement of the weak positions was designed. The two functions of self-repair and leakage monitoring were achieved by filling the pipe fitting with absorbent rubber and strain gauge. To verify the practical effect of the outsourcing pipe fittings, carbon steel pipe fittings for pipe flanged joints were fabricated, and the “dynamic water” experiment was carried out. During the test, the strain sensors were affixed to the surface of the vulcanized expansion rubber. The obvious leakage signal could be detected within half an hour, and the expansion rubber filled in the pipe fitting cavity could reduce the leakage rate by more than 90% within 72 hours of the leakage, indicating that the outsourcing pipe fittings had superior performance in both leakage monitoring and self-repair.

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更新日期/Last Update: 2021-09-01