Research Article
Manufacturing Light Concrete with PET Aggregate
Table 2
Values obtained in each test samples.
| Aggregate (kg/cm2) | CN-150 | CN-200 | CN-250 | CN-300 | CL-150 | CL-200 | CL-250 | CL-300 |
| Water (kg/cm2) | 205 | 205 | 205 | 205 | 225 | 225 | 225 | 225 | Cement (kg/m3) | 310 | 350 | 390 | 450 | 281 | 321 | 365 | 409 | Gravel/PET (kg/m3) | 1000 | 1000 | 1000 | 1000 | 133 | 133 | 133 | 133 | Sand (kg/m3) | 860 | 825 | 790 | 740 | 716 | 698 | 678 | 657 | Shrinkage (cm) | 8.7 | 9.7 | 9.8 | 10.0 | 8.6 | 9.5 | 9.6 | 9.7 | Fresh volumetric weight (kg/m3) | 1563 | 2246 | 2190 | 2100 | 1360 | 1385 | 1403 | 1431 | Air content (%) | 2 | 2 | 2 | 2 | 1.6 | 1.7 | 1.8 | 1.9 | ratio | 1.3 | 1.01 | 0.82 | 0.47 | 0.8 | 0.7 | 0.62 | 0.55 | Compression strength (kg/cm2) 7 days | 145.7 | 116.7 | 192.3 | 218.2 | 143.5 | 160.57 | 193.41 | 250.18 | Compression strength (kg/cm2) 14 days | 149.3 | 145.08 | 199.25 | 252.25 | 147.41 | 158.38 | 214.84 | 247.97 | Compression strength (kg/cm2) 28 days | 149.9 | 188.2 | 243.3 | 306.86 | 148.38 | 185.16 | 231.2 | 297.08 | Tensile strength () (kg/cm2) | 18.38 | 21.3 | 23.7 | 24.65 | 14.38 | 16.8 | 18.17 | 20.16 | Class I concrete 1.5 * ()1/2 | 18.37 | 21.21 | 23.72 | 25.98 | 18.27 | 20.41 | 22.81 | 25.85 | Class II concrete 1.2 * ()1/2 | 14.7 | 16.97 | 18.97 | 20.78 | 14.62 | 16.33 | 18.25 | 20.68 | Flexural strength (kg/cm2) | 25 | 28.81 | 32.12 | 35.56 | 23.43 | 26.39 | 27.11 | 28.34 | Class I concrete 2.0 * ()1/2 | 24.49 | 28.28 | 31.62 | 34.64 | 24.33 | 27.21 | 30.41 | 34.47 | Class II concrete 1.4 * ()1/2 | 17.15 | 19.8 | 21.14 | 24.25 | 17.03 | 19.05 | 21.29 | 24.13 | Modulus of elasticity E * 103 (kg/cm2) | 155 | 227 | 198 | 263 | 59 | 69 | 86 | 97 | Class I concrete 14.000 * ()1/2 | 172 | 198 | 221 | 243 | 170 | 191 | 213 | 241 | Class II concrete 8.000 * ()1/2 | 98 | 113 | 127 | 139 | 97 | 109 | 122 | 138 |
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