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Low strength concrete for pumping and manufacturing method of low strength concrete for pumping
Low strength concrete for pumping and manufacturing method of low strength concrete for pumping
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机译:低强度泵送混凝土及低强度泵送混凝土的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide low strength concrete for pump pressure feed capable of being pressure-fed with a pump in spite of its low strength.SOLUTION: The low strength concrete for pump pressure feed comprises: cement; an aggregate; recycled sand; and sludge water obtained by separating cleaning drain water in concrete treatment equipment from sand and gravels.
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