碳酸化养护钢渣和造纸污泥制备混凝土集料。
Steel slag and paper industrial waste sludge were carbonated to produce concrete aggregate.
本论文主要研究如何利用建筑物开挖石渣制备混凝土骨料。
This thesis has put main focus on how to apply excavated spoil to make concrete aggregate to meet the need for spoil disposing technologies.
建议在利用再生集料制备混凝土时宜掺加合理比例的粉煤灰。
It is suggested to add reasonable ratio of fly ash when making use of reclaimed aggregate for preparation of concrete.
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