Influence of the Amount of Steel Fibers on Fracture Energy and Drying Shrinkage of HPFRCC

Table 1

Chemical composition of ordinary Portland cement (OPC), silica fumes, and fly ash (FA) (%).

Type	CaO	SiO2	Al2O3	Fe2O3	SO3	K2O	Na2O	TiO2
OPC	60.09	20.90	6.55	5.43	2.44	1.61	1.07	0.01
Silica fumes	0.98	95.64	0.40	0.22	0.18	1.51	0.20	0.02
FA	1.78	49.75	36.81	5.93	0.31	1.78	0.25	2.29