From: Utilization of Waste Glass Micro-particles in Producing Self-Consolidating Concrete Mixtures
Chemical analysis | Physical properties | |||||
---|---|---|---|---|---|---|
Compound (%) | Cement | Glass | Â | Cement | Glass | |
SiO2 | 21.74 | 70.5 | Water absorption (%) | – | 0.17 | |
Al2O3 | 5 | 2.6 | Specific density | 3.15 | 2.50 | |
Fe2O3 | 4 | – | Specific surface area (cm2/g) | 2900 | 2480 | |
CaO | 63.04 | 5.7 | Setting time (final) (min) | 170 | – | |
MgO | 2 | 2.9 | Setting time (initial) (min) | 120 | – | |
Na2O | 2.3 | 16.3 | Autoclave expansion (%) | 0.1 | – | |
K2O | 1 | 1.2 | Compressive strength (kg/cm2) | 220 | 3 days | – |
SO3 | 2.9 | 0.2 | 275 | 7 days | – | |
LOI | 1.3 | – | 380 | 28 days | – |