A Study on the Influence of Fly Ash on the Thermal Parameters of Shrinkage Compensating Concrete

摘要

This paper studies the adiabatic temperature rise, specific heat, thermal conductivity and thermal diffusivity of shrinkage compensating concrete mixed with 18%, 23%, 30% and 40% fly ash. The results present that fly ash has significant influence on the process of the adiabatic temperature rise, and the influence on the specific heat is little. The adiabatic temperature rise of 14d will be lower as the fly ash content is higher. There is significant influence of air content on thermal conductivity and thermal diffusivity, and the fly ash is little. Further research on the thermal parameters of shrinkage compensating concrete is needed.