Research Article
Effects of Oil Palm Shell Coarse Aggregate Species on High Strength Lightweight Concrete
Table 5
Development of compressive strength of lightweight OPSC under continuous moist curing.
| | Mix code | Compressive strength (MPa)a | | 1 d | 3 d | 7 d | 14 d | 28 d | 56 d | 90 d |
| | OD1 | 29.2 (65.32) | 34.9 (77.92) | 40.2 (87.21) | 42.5 (94.86) | 44.8 | 46.1 (103.06) | 48.0 (107.24) | | OD2 | 29.5 (64.29) | 35.0 (76.30) | 40.9 (87.63) | 43.1 (93.97) | 45.9 | 46.7 (101.63) | 48.1 (104.66) | | OD3 | 29.8 (63.73) | 36.0 (76.80) | 41.0 (86.27) | 44.3 (94.57) | 46.9 | 47.6 (101.58) | 48.4 (103.40) | | OT1 | 27.7 (68.49) | 31.9 (78.99) | 35.2 (84.21) | 37.3 (92.32) | 40.4 | 41.9 (103.67) | 43.0 (106.59) | | OT2 | 28.0 (68.92) | 32.2 (79.22) | 36.6 (86.83) | 38.7 (95.11) | 40.7 | 42.1 (103.59) | 44.8 (110.08) | | OT3 | 28.6 (69.24) | 32.9 (79.64) | 37.1 (86.39) | 39.1 (94.76) | 41.3 | 43.0 (104.17) | 45.2 (109.65) | | CD1 | 31.3 (64.09) | 38.4 (78.65) | 42.1 (81.66) | 44.8 (91.84) | 48.8 | 51.6 (105.78) | 52.0 (106.73) | | CD2 | 32.8 (63.93) | 41.2 (80.48) | 44.5 (84.78) | 47.0 (91.78) | 51.2 | 52.4 (102.36) | 52.9 (103.24) | | CD3 | 35.4 (64.82) | 45.9 (84.12) | 49.5 (88.74) | 51.7 (94.70) | 54.4 | 55.8 (102.25) | 56.0 (102.69) | | CT1 | 28.7 (68.29) | 33.2 (79.18) | 37.9 (87.99) | 39.6 (94.28) | 42.0 | 43.0 (102.53) | 45.8 (109.08) | | CT2 | 28.8 (68.05) | 33.5 (79.20) | 38.6 (87.87) | 40.2 (94.92) | 42.4 | 43.9 (103.73) | 46.0 (108.64) | | CT3 | 28.9 (67.69) | 33.7 (78.84) | 38.8 (87.06) | 40.5 (95.00) | 42.7 | 44.5 (104.31) | 46.9 (109.82) |
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The data in parentheses are percentage of 28 d compressive strength.
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