This paper based on the water project ( the transfusion of water from the south to the north ) analyzes the carbonization properties systematically , which is one of the properties of concrete durability . its result can be a references to expansion the application range of the high performance concrete , strengthening the research of the high performance concrete 本文采用的是以掺加高效减水剂、一级粉煤灰、引气剂及低水胶比方式复合而成的高性能混凝土，结合南水北调中线工程对其抗碳化性能进行全面系统分析，研究结果可以作为进一步推广高性能混凝土应用的参考。
Under the different freezing - thawing cycle circumstance , three factors of water binder ratio , air content and mineral admixture are analyzed by using the method of orthogonal table . the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance , and in salt freezing - thawing cycle circumstance is the air content . this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle 分析了在纯水和3 . 5 % nacl溶液中受冻后,水胶比、含气量和掺合料对混凝土饱和系数及变化速率的影响规律,试验结果表明水胶比对混凝土水冻时的饱和系数及变化速率影响显著,而盐冻情况下含气量则是主要影响因素,说明引气能显著提高混凝土的抗盐冻性能。
In the northern area of our country , the climate is so cold , that the frost damage is very serious , especially in the northeast . induced air into the concrete is the most efficient way to improve the behavior of the frost resistance . therefore , studying on the reinforcement corrosion of the air - entrained concrete has important significance 我国北方地区气候寒冷,冻害比较严重,东北地区尤甚,而引气是提高混凝土抗冻性的最有效措施,因此研究引气混凝土的抗钢筋锈蚀性能有重要的现实意义和明显的经济效益。
The research result indicated that on the condition of the same mortar fluidity , the preventing effects of mineral and superplasticizer compounded on aar are better than that of mineral used singly , the preventing effects of mineral admixture and entraining agent compounded are better than that of mineral admixtures used singly , the preventing effects of mineral and superplasticizer and entraining agent compounded are lower than that of mineral admixture and entraining agent compounded . the research achievement has some guiding sense on the recognition of aar prevention in pumping hpc and the researches of test methods for determining the alkali reactivity of aggregate used in hpc 研究结果表明：在相同砂浆流动度条件下，减水剂与矿物掺合料复合使用对碱?骨料反应的抑制作用大于矿物掺合料单独使用的抑制作用；引气剂与矿物掺合料复合使用对碱?骨料反应的抑制作用优于矿物掺合料单独使用的抑制作用；减水剂、引气剂与矿物掺合料三元复合使用对碱?骨料反应的抑制作用小于引气剂与矿物掺合料二元复合使用的抑制作用。
