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Fig. 10
Properties of glass fiber woven fabric
| Fiber type | Woven fabric (g/m2) |
|---|---|
| Areal weight | 600 g (±5%) |
| Style/Pattern | Biax 0–90 – stitch |
| Tensile strength | 3,500 (MPa) |
| Tensile modulus | 72 (GPa) |
Concrete mix design
| Sample | Weight cement (kg) | Weight water (kg) | Weight plasticizer (kg) | Weight aggregate (kg) | Weight EVA (kg) |
|---|---|---|---|---|---|
| PC | 507.28 | 253.64 | 2.54 | 1,521.83 | 0 |
| L18 | 507.28 | 253.64 | 2.54 | 1,369.65 | 61.46 |
| L32 | 507.28 | 253.64 | 2.54 | 1,217.47 | 122.92 |
| L45 | 507.28 | 253.64 | 2.54 | 1,065.28 | 184.38 |
| L56 | 507.28 | 253.64 | 2.54 | 913.10 | 245.83 |
Properties of the materials that make up cementitious plates
| Materials | Properties | Type |
|---|---|---|
| Cement | Density: 3.15 (g/cm3) | Type I blane fineness: 3,250 (kg/m2) |
| Aggregates | Density: 2.6 (g/cm3) | Sand 4 mm |
| EVA | Density: 0.55 (g/cm3) | 2–4 mm |
| Water | Potable | |
| Superplasticizer | Specific gravity (20°C): 1.069–1.109 (kg/l) | Polycarboxylic ether based |
Properties of resin epoxy and resin hardener
| L160 | H160 | |
|---|---|---|
| Density (g/cm3) | 1.13–1.17 | 0.96–1.00 |
| Viscosity (MPa) | 700–900 | 10–50 |
| Epoxy equivalent (g/equivalent) | 166–182 | |
| Epoxy value (value/100 g) | 0.55–0.60 | |
| Refractor index | 1.5480–1.5530 | 1.5200–1.5210 |
| Measurement conditions | 25°C | 25°C |
| Flexural strength (MPa) | 110–140 | |
| Modulus of elasticity (GPa) | 3.2–3.5 | |
| Tensile strength (MPa) | 70–80 | |
| Elongation at break (%) | 5.0–6.5 |
Nomenclature of the produced cementitious plate samples
| Plate designation | Replacement ratio of EVA (by volume) | Coating GFRP |
|---|---|---|
| PC | 0 | – |
| L18 | 18 | – |
| L32 | 32 | – |
| L45 | 45 | – |
| L56 | 56 | – |
| CPC | 0 | Coated |
| CL18 | 18 | Coated |
| CL32 | 32 | Coated |
| CL45 | 45 | Coated |
| CL56 | 56 | Coated |