Experimental Study on Thermal Expansion Behavior of Concrete under Three-Dimensional Stress

Table 1

Mixture proportions of the concrete used in the experiment.

Strength grade	Cementitious material	Water cement ratio	Cement (%)	Fly ash (%)	Slag powder (%)	Sand rate (%)	Water reducing agent
C50	420 kg/m^3	0.35	45	25	30	43	1 kg/m^3