Construction waste recycled concrete and preparation method thereof: Fid-Bau Portal

Construction waste recycled concrete and preparation method thereof

WU CHAOFAN / WAN SHU / GAO XU / MENG FANWEI / LUO LI / OUYANG TIANZI

The invention discloses construction waste recycled concrete and a preparation method thereof. The construction waste recycled concrete is prepared from construction waste recycled coarse aggregate, silica fume mixed liquor, cement, river sand, water and a water reducing agent, wherein the construction waste recycled coarse aggregate is obtained by sorting, crushing and screening construction waste. According to the invention, the construction waste recycled concrete not only has excellent performance, but also has an obvious price advantage; and the preparation method of the construction waste recycled concrete is simple, does not need other additional conditions, is very suitable for precast concrete components, and can promote the application of the recycled concrete in prefabricated buildings.

本发明公开了一种建筑垃圾再生混凝土及其制备方法，所述建筑垃圾再生混凝土包括建筑垃圾再生粗骨料、硅灰混合液、水泥、河砂、水与减水剂；其中所述建筑垃圾再生粗骨料为建筑垃圾经分选破碎筛分后所得；本发明的建筑垃圾再生混凝土不仅具有优异的性能，同时也具有明显的价格优势；所述建筑垃圾再生混凝土的制备方法简单，无需其他附加条件，非常适用于混凝土预制构件，能推动再生混凝土在装配式建筑中的应用。

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