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- Title
Investigating the Calcination Temperature and Grinding Time of Calcined Clay on the Mechanical Properties and Durability of LC3 Concrete.
- Authors
Nasiri, Sina; Madandoust, Rahmat; Ranjbar, Malek Mohammad
- Abstract
The impact of the calcination temperature and grinding time on the mechanical properties and durability of limestone-calcined clay concrete (LC3) is crucial. In this research, calcined clay was produced within the temperature range of 700 °C to 900 °C, and the grinding time varied from 15 to 120 min. This study examines compressive strength and chloride penetration resistance using the rapid chloride migration test on LC3 concrete over a period of 180 days. The findings reveal that clay calcined at 800 °C for 120 min exhibited the highest specific surface area compared to other calcined clays. Furthermore, the compressive strength of LC3 concrete incorporating clay calcined at 800 °C for 60 min surpassed that of other mixtures investigated. Additionally, the chloride diffusion coefficient of LC3 concrete with calcined clay prepared at 800 °C for 120 min was lower than other mixtures.
- Subjects
CONCRETE durability; CLAY; EFFECT of temperature on concrete; CALCINATION (Heat treatment); COMPRESSIVE strength; DIFFUSION coefficients; SURFACE area
- Publication
Infrastructures, 2023, Vol 8, Issue 10, p139
- ISSN
2412-3811
- Publication type
Article
- DOI
10.3390/infrastructures8100139