Experimental Research on High Temperature Resistance of Modified Lightweight Concrete after Exposure to Elevated Temperatures

Table 1

Chemical composition and physical properties of slag cement.

Slag cement	Chemical composition: %							Physical properties
	SiO2	CaO	Al2O3	Fe2O3	MgO	SO3	Loss on ignition	Specific gravity	Fineness (45 μm): %
PSA	17.9	54.03	5.26	3.44	1.78	1.7	4.30	3.04	11