1 Highlights
2 Introduction
3 Experimental Program
3.1 Raw Material
CaO | SiO2 | Al2O3 | Fe2O3 | SO3 | MgO | K2O | Na2O |
---|---|---|---|---|---|---|---|
63.9 | 20.6 | 4.8 | 3.7 | 2.4 | 1.4 | 0.58 | 0.38 |
Apparent density (kg/m3) | Water absorption (%) | Crushing index (%) | Size distribution (mm) |
---|---|---|---|
2531 | 4.0 | 17.6 | 5–26.5 |
Fiber type | Length (mm) | Diameter (µm) | Density (g/cm3) | Elastic modulus (GPa) | Tensile strength (MPa) | |
---|---|---|---|---|---|---|
Polypropylene | 3 | 19 | 20 | 0.91 | 4.8 | 486 |
Glass | 6 | 19 | 19 | 2.7 | 72 | 1700 |
3.2 Mixture Design
Specimen | Fiber dosage (kg/m3) | Compressive strength (MPa) | |||
---|---|---|---|---|---|
PP (3 mm) | PP (19 mm) | Glass (6 mm) | Glass (19 mm) | ||
RC00 | 0.00 | 0.00 | – | – | 40.60 |
RCP01 | 0.00 | 1.00 | – | – | 34.50 |
RCP37 | 0.30 | 0.70 | – | – | 36.70 |
RCP55 | 0.50 | 0.50 | – | – | 35.20 |
RCP73 | 0.70 | 0.30 | – | – | 40.10 |
RCP10 | 1.00 | 0.00 | – | – | 35.40 |
RCG01 | – | – | 0.00 | 1.00 | 34.40 |
RCG37 | – | – | 0.30 | 0.70 | 34.90 |
RCG55 | – | – | 0.50 | 0.50 | 35.70 |
RCG73 | – | – | 0.70 | 0.30 | 38.10 |
RCG10 | – | – | 1.00 | 0.00 | 36.80 |
RCH01 | – | 0.00 | – | 1.00 | 34.40 |
RCH37 | – | 0.30 | – | 0.70 | 36.10 |
RCH55 | – | 0.50 | – | 0.50 | 37.10 |
RCH73 | – | 0.70 | – | 0.30 | 39.00 |
RCH10 | – | 1.00 | – | 0.00 | 34.50 |