Research Article
A Study on the Flexural Behaviour of Geopolymer Lightweight Eco-Friendly Concrete Using Coconut Shell as Coarse Aggregate
Table 3
Properties of geopolymer concrete.
| | Mechanical properties | GPCSC | GPCC | | Results | No. of samples | Standard deviation | Results | No. of samples | Standard deviation |
| | 28-day density (kg/m3) | 1980 | 3 | 2.52 | 2440 | 3 | 9.07 | | Compressive strength (MPa) | 32.6 | 0.32 | 35.2 | 0.21 | | Flexural strength (MPa) | 4.1 | 0.21 | 3.6 | 0.21 | | Split tensile strength (MPa) | 3.0 | 0.15 | 3.1 | 0.15 | | Modulus of elasticity (GPa) | 7.3 | 0.10 | 12.9 | 0.35 |
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