防止混凝土结构物老化的涂料混凝土结构恶化的原因，一是施工不当，一是外部污染。前者如混凝土配合比的错误，或使用了海砂、碱骨料，或初期养护不当等；后者如海风、除雪剂中的盐分以及酸雨的侵蚀等，此外还有加热老化（炉灶、烟囱）和寒冷地区的温差等。为防止外部污染... The reasons for the deterioration of the concrete structures for painting, which prevent the deterioration of concrete structures, are the improper construction and external pollution. The former is the wrong mix ratio of concrete, or the use of sea sand, alkali aggregates, or improper initial conservation; the latter, such as sea wind, salt in snow remover, and acid rain, etc., in addition to heat aging (stove, chimney) Temperature difference with cold areas. To prevent external contamination...