Abstract
Recycled brick powder (RBP) are reused in cementitious materials by partially replacing cement in this study, the role of which was investigated in terms of workability of fresh cement paste and microstructure of the hardened cement paste. The results shows that the replacement ratio of RBP is inversely proportional to the hydration heat. The particle size of RBP plays an important role in hydration process of cement. The incorporation of RBP reduces the consistence and increases the yield stress and viscosity. Besides, it would reduce the increasing rate of hydration products of the system, causing a delay in setting.
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