Its top must be higher than dam saturation line's exit point, and the extent exceeded must ensure the saturation line is no less than 1.5 meters below local freezing depth.
贴坡排水层的顶部应高于坝体浸润线的逸出点,超出的高度务使坝体浸润线位于该地区冻结深度以下,且不小于1.5米。
Its top must be higher than dam saturation line's exit point, and the extent exceeded must ensure the saturation line is no less than 1.5 meters below local freezing depth.
贴坡排水层的顶部应高于坝体浸润线的逸出点,超出的高度务使坝体浸润线位于该地区冻结深度以下,且不小于1.5米。
应用推荐