Influence of Distribution Modulus on the Compressive Strength of Ultra-High-Performance Concrete with Coarse Aggregate (UHPC-CA)

Table 2

The main chemical components (wt%) of cement, silica fume and GGBS.

Materials	SiO2	CaO	Al2O3	SO3	Fe2O3	MgO	Na2O	K2O	P2O5	LOI^∗
Cement	20.86	56.77	5.90	2.43	3.61	3.50	0.30	0.42	0.09	1.16
Silica fume	94.62	0.40	0.36	0.20	—	0.39	0.42	0.55	0.15	2.8
GGBS	32.47	40.07	17.29	3.23	0.57	0.30	0.50	—	0.08	0.88

Note: ^∗Loss of ignition.