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- Title
Influence of Waste Tire Particles on Freeze–Thaw Resistance and Impermeability Performance of Waste Tires/Sand-Based Autoclaved Aerated Concrete Composites.
- Authors
Chen, Chang; Zhang, Ruyi; Zhou, Li; Wang, Yubin
- Abstract
Waste tires/sand-based autoclaved aerated concrete (SAAC) composites were prepared by mixing waste tires, which have different particle sizes and content. The physical performance, mechanical properties, freeze–thaw resistance, impermeability performance, phase composition, and microstructure of waste tires/sand-based autoclaved aerated concrete composite materials were examined. The results demonstrated that the 750-μm-sized waste tire particles on the surface of the SAAC composite did not agglomerate. Moreover, these particles did not damage the pore structure of the composites. The SAAC composites, with a relatively high compressive strength and low mass-loss rate, were obtained when the contents of waste tire particles ranged from 1.0 to 2.5 wt.%. For composites prepared with 2.0 wt.% of 750-μm-sized waste tire particles, the optimal compressive and flexural strength values were 3.20 and 0.95 MPa, respectively. The increase in the rate of water absorption on SAAC composites was lowest (i.e., 16.3%) when the soaking time was from 24 to 120 h.
- Subjects
WASTE tires; AIR-entrained concrete; PHYSICAL mobility; POROSITY; FLEXURAL strength; COMPOSITE materials; COMPRESSIVE strength
- Publication
Buildings (2075-5309), 2022, Vol 12, Issue 1, p33
- ISSN
2075-5309
- Publication type
Article
- DOI
10.3390/buildings12010033