由一系列倾斜的面板和支承面板的支墩(扶壁)组成的坝。面板直接承受上游水压力和泥沙压力等荷载，通过支墩将荷载传给地基。面板和支墩连成整体，或用缝分开。
连拱坝 是挡水盖板呈拱形的一种轻型支墩坝。
Multi-arch dam is one of light buttress dams and its capping plate shows arch.
桓仁和湖南镇两座单支墩大头坝在施工期均出现一些劈头裂缝，经工程处理后一直安全运行。
Abutment cracks appeared respectively in the construction period of Huanren and Hunanzhen single supporting pier solid-head buttress DAMS, which were treated once.
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