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供水管网渗漏模型研究

DOI: 10.13197/j.eeev.2014.01.180.liuw.023, PP. 180-186

Keywords: 承插式接头,渗漏面积,渗漏模型,功能可靠度

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Abstract:

分析了柔性接头和刚性接头在地震下的破坏模式。在此基础上,给出了具有明确物理意义的接头渗漏面积表达式来修正已有的管线渗漏模型。利用管线渗漏试验确定了渗漏模型中的重要参数――渗漏系数。分别用不同模型对一个小型供水管网的抗震功能可靠度进行了分析。结果表明既有渗漏模型高估了管网的抗震能力,而本文建议的渗漏模型的结果更加符合实际。

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