Shrinkage and Strength Properties of Coal Gangue Ceramsite Lightweight Aggregate Concrete

Table 4

Chemical composition of the cement.

CaO (%)	SiO2 (%)	Al2O3 (%)	Fe2O3 (%)	MgO (%)	SO3 (%)	Loss on ignition (%)
63.48	21.30	5.55	3.46	2.54	2.67	1.06