The turning section of the concrete dam on the right bank of Danjiangkou dam shows and ogee on plane, of which periodical deformation occurs under the impact of temperature for a long period.

• 摘要丹江口大坝右岸混凝土坝转弯坝段在平面上呈凸向下游的反弧形，在气温长期影响下出现周期性变形。