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库水位和测压管水位变化过程线的一般规律是什么?

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正确答案:

测压管的水位随着库水位的涨落而相应变化,而且管水位往往比库水位滞后一段时间。滞后时间长的,说明土料好,坝体密实些;滞后时间短的,甚至同时反应的,则说明土料透水性强或坝体松散。若在某一时段发现测压管水位没有与库水位相应变化,而突然升高并持续恶化,又找不到其它客观因素,就应加以警惕。特别应注意检查是否已出现滑坡或反滤失效等情况。

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