Actual Temperature Evolution of Thick Raft Concrete Foundations and Cracking Risk Analysis

Table 2

Main thermal parameters.

Properties	Value adopted in the analysis
Heat conductivity of concrete (kJ/(m·h·°C))	8.0
Specific heat of concrete (kJ/(kg·°C))	0.97
Density of concrete (kg/m^3)	2400
Heat conductivity of soil (kJ/(m·h·°C))	5.0
Specific heat of soil (kJ/(kg·°C))	1.273
Density of soil (kg/m^3)	1800
Concrete-air heat transfer coefficient (kJ/(m^2·h·°C))	100
Steel mold-air heat transfer coefficient (kJ/(m^2·h·°C))	95