Bond Behavior of Reinforcing Steel Bars in Thermal Insulation Concrete Exposed to Freeze-Thaw Cycles

Table 1

Properties and constituents of the cementitious materials.

Materials	Ignition loss	Specific surface area (m^2/kg)	Constituents (%)
			SiO2	Al2O3	Fe2O3	CaO	MgO
Cement	2.86	345	22.53	4.42	2.06	61.7	4.55
Silica fume	1.95	16,500	87.68	0.93	1.23	0.86	0.33