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标养水泥砂浆的干缩率明显大于同龄期蒸养水泥砂浆试件。
The dry shrinkage rate of standard curing concrete sand mortar evidently exceeded the steam curing simples at the same age.
用锰铁高炉产出的原状废渣代替部分水泥制作的砂浆试件， 强度下降幅度较大。
Original state waste residue from Fe-Mn blast furnace substituting for part cement is made into mortar specimens and the mortar strengths drop largely.
通过FKJ砂浆试件在碱、酸及盐溶液中浸泡后强度变化，试验其耐化学腐蚀能力。
According to the strength change of the FKJ mortar sample immersed in the alkali, acid and slat solution, test its ability of chemical resistance.
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