浅谈HDPE管道和PPR管道在给水系统中的应用_建筑工程 关键词】给水系统；HDPE管道；室外；PPR管道；室内 [gap=414]Key words】Water supply system;Of HDPE pipe;Outdoor;The PPR pipe;Indoor
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It is found that hoop stress increases due to reduction in wall thickness of HDPE pipe, while yielding stress decreases owing to decrease of strain rate.
同时，基于粘弹性应力分析模型得到管材蠕变的应变率逐渐减小，由于聚乙烯的屈服应力具有明显的率相关性，屈服应力也随之逐渐减小。
Smooth performance and to ensure non-adhesion properties of HDPE pipe has a higher than conventional transmission capacity pipe, but also reduces the pressure loss in piping and water consumption.
光滑的表现和非粘附特性保证HDPE管道具有较传统管材更高的输送能力，同时也降低了管路的压力损失和输水能耗。
HDPE pipe to connect the use of hot-melt or fused welded casing connection.
管采用热熔对焊连接或电熔套管连接。
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