TY  - EJOU
AU  - Zhu, Weixi 
AU  - Meng, Yongdong 
AU  - Xie, Jindong 
AU  - Cai, Zhenglong 
AU  - Lyu, Yu 
AU  - Xu, Xiaowei 

TI  - Experimental Study on Abrasion Resistance of Self-Compacting Concrete
T2  - Structural Durability \& Health Monitoring

PY  - 2025
VL  - 19
IS  - 6
SN  - 1930-2991

AB  - To mitigate the severe abrasion damage caused by high-velocity water flow in hydraulic engineering applications in Xizang, China, this study systematically optimized key mix design parameters, including aggregate gradation, sand ratio, fly ash content, and superplasticizer dosage. Based on the optimized mix, the combined effects of an abrasion-resistance enhancement admixture (AEA) and silica fume (SF) on the abrasion resistance of self-compacting concrete (SCC) were examined. The results demonstrated that the appropriate incorporation of AEA and SF significantly improved the abrasion resistance of SCC without compromising its workability. The proposed mix design not only achieves superior abrasion resistance but also provides practical guidance for the material design and engineering application of durable hydraulic concrete in harsh environments. Future research will focus on comprehensive durability assessments by simulating extreme hydraulic conditions, including sustained exposure to high-velocity sediment-laden flows, repeated freeze-thaw cycles, and corrosive salt spray environments, to thoroughly evaluate the long-term performance evolution of abrasion-resistant self-compacting concrete. Meanwhile, advanced microstructural analytical methods should be applied toelaborate the synergistic mechanisms of abrasion-resistance enhancement admixture (AEA), silica fume (SF), and steel fibers in altering the hydration product formation, optimizing the distribution of pore structure, and strengthening interfacial transition zones, to establish a solid scientific foundation for the development of high-performance composite materials.
KW  - Abrasion resistance; self-compacting concrete; abrasion-resistance enhancement admixture; silica fume

DO  - 10.32604/sdhm.2025.070098