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土坝的渗透分析目的。

问答题
2022-01-03 18:58
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正确答案

1.确定坝体浸润线和下游渗流出逸点的位置。
2.确定坝体与坝基的渗流量,以便估计水库的渗漏损失和确定坝体排水设备的尺寸。
3.确定坝坡出逸段和下游地基表面的出逸坡降,以判断该处的渗透稳定性。
4.确定库水位降落时上游坝壳内自由水面的位置,估算由此产生的孔隙水压力,供上游坝坡稳定分析之用。


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