The Effect of Recycled Glass Powder and Reject Fly Ash on the Mechanical Properties of Fibre-Reinforced Ultrahigh Performance Concrete

Table 1

Chemical composition of cement, recycled glass powder, and silica fume.

Contents	Cement	Silica fume	Recycled glass powder
SiO2	21.0	85–96	71.4
Al2O3	5.9	—	1.4
Fe2O3	3.4	—	0.2
CaO	64.7	—	10.6
MgO	0.9	—	2.5
Na2O	—	—	12.7
K2O	—	—	0.5
TiO2	—	—	—
SO3	2.6	0.3–0.7	0.1
Loss on ignition (%)	1.2	3.5	0.4