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超长距离的输水管道水压试验

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近年来,随着国民经济的不断发展,为了提高居民的幸福感和获得感,国家加大了对民生水利基础设施建设的投资力度.为了解决安全饮水问题,通过长距离输水管道输水已成为普遍的做法.新疆某水源工程具有的特点:输水线路长、输水管道口径大、工期短,若按照现行施工规范中要求的分段长度进行水压试验,其施工进度满足不了节点要求,进而影响到全线通水的总目标;为此,项目部根据管线的地形条件突破规范要求的限长进行了试验段的划分,编制了详细的水压试验方案,邀请了业内知名专家进行了论证并获得同意;通过分段试验设计、现场施工到最终通水一次成功,证明了所采用的施工方法合理、施工质量合格、检测方法得当.阐述了对输水管道水压试验进行的分析与总结,可供其它类似引水工程借鉴.
Hydrotest for Ultra-Long Water Pipeline
In recent years,with the continuous improvement of the national economy,in order to improve the happiness and sense of achievement of residents,China has increased investment in the construction of water conservancy infrastructure for people's livelihoods.In order to solve the problem of safe drinking water,it has become a common practice to transport water through long-distance water pipelines.A water source project in Xinjiang has the following characteristics:long water transmission line,large diameter of water transmission pipeline,short construction period.If the hydraulic pressure test is carried out according to the segment length required in the current construction specifications,the construction progress will not meet the node require-ments,which will affect overall goals for water of the entire line.To this end,the test sections are divided ac-cording to the topographic conditions of the pipeline and exceeded the length limit required by the specification,and a detailed hydraulic test plan is compiled,the well-known experts in the industry are invited to conduct demonstrations and obtain approval;Through segmented test design,on-site construction,and successful water supply in one go,it is proven that the construction method adopted is reasonable,the construction quality is qualified and the detection method is appropriate.This article analyzes and summarizes its technology,provi-ding reference for other similar water diversion projects.

Water transmission pipelinesWater pressure testTest methodsQuality control

张晓川、陈云、孙周辉

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中国电建集团成都勘测设计研究院有限公司,四川成都 610072

输水管道 水压试验 试验方法 质量控制

2024

四川水力发电
四川省水力发电工程学会

四川水力发电

影响因子:0.211
ISSN:1001-2184
年,卷(期):2024.43(2)
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