Low-content graphite powder for improving the compressive–tensile strength and fracture behavior of recycled aggregate concrete

Wei He, Bin Wang, Lei He, Xia Meng, Jingwei Zhang, Jiawen He, School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Office of Construction and Campus Planning, Tsinghua University

Journal of Composite Materials

Published online on July 20, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
To mitigate the inherent drawbacks of Recycled Aggregate Concrete (RAC) produced from Construction and Demolition Waste (C&DW)—such as relatively low strength and pronounced microstructural defects—this study proposes the incorporation of a low content of ...