The aging of concrete DAMS is manifested by surface carbonization, freeze-thaw, abrasion, weathering, internal corrosion, frost-heaving, cracks, water erosion and et al.
混凝土坝老化表现在表层碳化、冻融、风化、内部溶蚀、冻胀、裂缝发育以及体积改变等。
2
It has become a common understanding that frost action is a kind of weathering process, which considerably changes engineering properties of soils due to cryogenical actions.