Effects of Incorporation of Marble Powder Obtained by Recycling Waste Sludge and Limestone Powder on Rheology, Compressive Strength, and Durability of Self-Compacting Concrete

Table 1

Chemical compositions of marble powder and limestone powder (%).

Component	LOI	CaO	MgO	SiO2	Fe2O3	Al2O3	Na2O	K2O	SO3	P2O5	MgCO3	S	Moisture
Marble powder	42.60	52.28	0.50	3.00	0.39	0.14	—	—	—	—	1.04	0.03	0.20
Limestone powder	43.09	54.20	0.69	0.37	0.17	0.11	0.02	0.07	0.06	0.03	—	—	—