Effect of Particle Size of Periclase on the Periclase Hydration and Expansion of Low-Heat Portland Cement Pastes

Table 1

Chemical compositions of raw materials (by weight, %).

Materials	LOI	SiO2	Al2O3	Fe2O3	CaO	MgO	K2O	Na2O	SO3	Ratio
Limestone	41.76	4.03	0.72	0.50	50.29	1.65	0.10	0.02	0.04	67.04
Silica	1.66	87.16	2.41	5.02	1.59	1.52	0.12	0.09	0.07	10.23
Dolomite	43.00	5.04	1.11	0.66	29.60	19.80	0.20	0.08	0.03	15.09
Aluminum ore	14.72	30.48	28.36	21.64	1.86	1.46	0.73	0.24	0.00	5.77
Copper slag	0.00	26.58	6.57	45.80	12.37	5.78	0.24	0.08	0.06	1.87
Gypsum	6.36	2.88	0.32	0.25	33.14	0.33	—	—	42.54	—

Loss on ignition.