Research on the key points of construction technology of water supply and drainage pipeline leakage prevention<br>Pan Ye<br>(Heilongjiang Guangda construction and installation engineering company)<br>Abstract: leakage of water supply and drainage pipeline is a common problem in pipeline construction, which not only threatens the quality of water supply and drainage, but also may affect the quality of building structure. In the case of pipeline leakage, the common structure is soaked in water, which may lead to structural cracking and endanger the safety of the building structure. According to the analysis of the past leakage problems of water supply and drainage pipes, there are many factors, including human factors, construction factors and material factors. As the water supply and drainage pipeline is a concealed project, it is difficult to repair when leakage occurs. Therefore, in the actual construction, comprehensive anti leakage measures should be taken to improve the anti leakage level of the pipeline construction and fundamentally reduce the leakage rate of the water supply and drainage pipeline.<br>[Key words] building water supply and drainage pipeline; anti leakage construction; pipeline connection<br>
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