Effects of Lightly Burnt MgO Expansive Agent on the Deformation and Microstructure of Reinforced Concrete Wall

Table 1

Chemical compositions of LBMEA.

No.	Reactivity value (s)	Chemical compositions (%)
		MgO	CaO	SiO2	Al2O3	Fe2O3	Loss
MEA60	60	83.73	3.87	4.26	1.34	0.98	5.17
MEA140	140	85.44	3.19	4.45	0.73	0.42	4.49
MEA220	220	87.81	3.01	4.28	0.78	0.45	3.16