预应力钢筒混凝土管接口内缝抗渗漏的应急处理措施

China Water & Wastewater(2012)

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Abstract
广州市西江引水工程输水干线主管材采用预应力钢筒混凝土管(PCCP)。针对PC-CP管接口打压试验出现压力不稳及水路不通的实际问题,实施了PCCP管接口内缝抗渗漏的应急处理措施,即采用Prime gel 2200柔性环氧凝胶型多用途粘结剂封底,上层以聚硫密封膏填充以及内缝再增加聚脲弹性涂料进行表面堵漏,并提出了施工要求及质量控制措施。
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Key words
anti-leakage,internal slit,joint,emergency treatment,prestressed concrete cylinder pipe(PCCP)
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