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快硬磷酸镁-铁铝酸盐复合水泥的抗冻性研究
贾亮1(), 奴丽艳木·夏甫开提1, 陈岑1, 郭健1(), 包得祥2
Study on frost resistance of rapid-hardening magnesium phosphate-ferro-aluminate composite cement
Liang JIA1(), Nuliyanmu Xiafukaiti1, Cen CHEN1, Jian GUO1(), Dexiang BAO2

图4. 不同冻融循环次数后试件的孔隙率

Fig. 4. Porosity of the mortar specimens after different freeze-thaw cycles