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Applications GFRC |
Exterior / Interior Applications |
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| Property |
28 - Day, (E) |
Aged*,(A) |
| Density (dry) |
120 to 140 (pcf) |
120 to 140 (pcf) |
| Compressive strength |
7,000 to 12,000 (psi) |
10,000 to 12,000 (psi) |
| Flexural: |
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|
| Yield (FY) |
900 to 1,500 (psi) |
1,000 to 1,600 (psi) |
| Ultimate strength (FU) |
2,000 to 3,500 (psi) |
1,300 to 2,000 (psi) |
| Modulus of elasticity |
1.0 x 10⁶ to 3.0 x 10⁶ |
2.5 x 10⁶ to 4.0 x 10⁶ |
| Direct Tension: |
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|
| Yield (FY) |
700 to 1,000 (psi) |
700 to 1,100 (psi) |
| Ultimate strength (FU) |
1,000 to 1,600 (psi) |
725 to 1,100 (psi) |
| Strain to failure |
0.6 to 1.2 (percent |
0.03 to 0.08 (percent) |
| Shear |
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| Interlaminar |
400 to 800 (psi) |
400 to 800 (psi) |
| In-plane |
1,000 to 1,600 (psi) |
725 to 1,100 (psi) |
| Coefficient of thermal expansion |
Approx. 12 x 10⁻⁶ (in./in./deg F) |
Approx. 12 x 10⁻⁶ (in./in./deg F) |
| Thermal conductivity |
3.5 to 7.0 (Btu/in./hr/ft²/deg F) |
3.5 to 7.0 (Btu/in./hr/ft²/deg F) |
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| Note: 1 pcf = 16.02 kg/m³, 1 psi = 6.895 kPa, 145 psi = 1N/mm² = 1 Mpa: 1in.-lb/in.² = 0.175N-mm/mm² |
| * Developed from accelerated testing programs on GFRC specimens immersed in 50 to 80 deg. C (122 and 175 deg. F) water. On the basis of comparisons between behaviour in real weather and accelerated tests, predictions can be made of properties for 50+ years in different climates |
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