在正常情况下，堤防要解除漫溢的危胁，堤顶必须达到有关规范规定的设计高程。堤顶加高，堤相应也要培厚，我国绝大多数堤防为粘性土均质堤。若无特殊原因，一般多选择与原堤防相同的土料加固堤身，若原筑堤粘性土料短缺，且堤防加高高度大，所需粘性土料方量大，则可选择以土 Under normal circumstances, embankments to relieve the risk of overflow, embankment roof must meet the relevant provisions of the design elevation. Embankment elevation, embankment should also be training thick, the vast majority of embankments for clay homogeneous clay embankment. If no special reason, the general choice of the same with the original embankment reinforced soil dike, if the original embankment construction of a shortage of clay, and embankment heightening height, the required amount of clay material side, you can choose to soil