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- Title
Crushed ceramic wastes and its effect on strength and abrasion characteristics of roller compacted concrete pavement.
- Authors
KHABIRI, Mohammad Mehdi; HADI, Aireza; MAJIDI SHAD, Mohammad Mehdi
- Abstract
The high rate of using ceramic and tile in building industry has led to the release of a high volumes of ceramic and tile wastes after the end of life of a building and the demolition process which has negative effects on environment. If these wastes could be used as an alternative for a portion of concrete's natural aggregates, its destructive effects will be reduced. In this study, wastes of the ceramic and tile factories located in central Iran are crushed and granularized within the range of regulations. Then, 15% and 30% of the aggregates weight in the pavement concrete mix is replaced with the wastes. The pavement concrete mix containing crushed ceramics undergoes the investigations of fracture mechanical behavior (compressive and flexural strength tests) in curing periods of 3, 7, and 14 days. The results show that 15% replacement will improve abrasive resistance; while, 30% replacement of these wastes has reduced the compressive and flexural strength of rolling concrete in different ages. The relationship between compressive strength and abrasion resistance of crushed ceramics were obtained using second-order nonlinear regression. The intersection of these two curves results replacing 18.95% of aggregates weight with crushed ceramics; that suggests the compressive strength and abrasion rate of 29.36 MPa and 2.10%, respectively.
- Subjects
IRAN; ROLLER compacted concrete; CONCRETE pavements; CERAMIC tiles; CERAMICS; FLEXURAL strength testing; CONCRETE mixing
- Publication
Waste Forum, 2023, Issue 1, p32
- ISSN
1212-7779
- Publication type
Article