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无压管道闭水试验中，试验段上游设计水头是如何确定？ - 工程施工 - 项目管理 - 氿上知道
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满意答案
这条应该好理解，设计的水头（打比方“水压”）能够刚达到或不能达到上游的内壁时，试验的设定水压要比设计的高两米就可以了，也就是比能顶到管顶的水头高2米；
（2）、试验段上游设计水头超过管顶内壁时，试验水头应以试验段上游设计水头加2m计；
超过管顶内壁就在设计水头上加2米作为试验水头；
（3）计算出的试验水头小于10m，但已超过上游检查井口时，闭水试验水位可至井口为止。
已超过上游检查井口的，试验水头到井口就好了，前提是试验水头小于10m；
夏天的热
回答于：2015-03-13
共2条回答