Why does the application of cement brick still apply without common red brick extensive?
红砖,水泥,粘土砖,建设部,普通,造价.
When the content of polishing brick dust below 30%, with the content of polishing brick dust increasing, the Marsh time of cement mortar prolonged remarkably and the fluidity of cement paste got worse.
抛光砖粉掺量在30%以下,随其掺量增加,Marsh时间明显延长,水泥浆体的流动性变差;
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