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FLY ASH ACTIVITY IMPROVING METHOD, FLY ASH CEMENT USING ACTIVATED FLY ASH, AND CONCRETE COMPOSITION USING ACTIVATED FLY ASH AND FLY ASH CEMENT
FLY ASH ACTIVITY IMPROVING METHOD, FLY ASH CEMENT USING ACTIVATED FLY ASH, AND CONCRETE COMPOSITION USING ACTIVATED FLY ASH AND FLY ASH CEMENT
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机译:粉煤灰活性改进方法,使用活性粉煤灰的粉煤灰水泥以及使用活性粉煤灰和粉煤灰水泥的混凝土组合物
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摘要
PROBLEM TO BE SOLVED: To provide an activity improving method for heightening reactivity of fly ash by combining a physical method with a chemical method.SOLUTION: This activity improving method 1 includes: a crushing step S1 of crushing fly ash to adjust the fly ash so as to have a prescribed specific surface area; and an addition step S4 having respectively a sodium salt addition step S2 of adding sodium hydroxide to the fly ash crushed in the crushing step S1, and a calcium salt addition step S3 of adding calcium hydroxide and/or calcium sulfate.
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