Table 3 Mechanical properties of concrete.
From: Experimental Study on Tensile Creep of Coarse Recycled Aggregate Concrete
Specimen | Items | 7 days | 14 days | 28 days |
|---|---|---|---|---|
65-NC | f c (MPa) | 26.3 | 32.5 | 38.4 |
f st (MPa) | 2.3 | 2.6 | 2.9 | |
E c (GPa) | 22.9 | 25.5 | 27.7 | |
65-RC | f c (MPa) | 22.0 | 28.6 | 30.3 |
f st (MPa) | 2.1 | 2.3 | 2.6 | |
E c (GPa) | 20.9 | 23.9 | 24.6 | |
45-NC | f c (MPa) | 39.4 | 46.1 | 49.9 |
f st (MPa) | 2.8 | 3.1 | 3.4 | |
E c (GPa) | 28.0 | 30.3 | 31.5 | |
45-RC | f c (MPa) | 33.5 | 38.7 | 40.0 |
f st (MPa) | 2.6 | 2.8 | 3.1 | |
E c (GPa) | 25.8 | 27.8 | 28.3 |