Table 4 Details of test specimens and summary of test results.
From: Mechanical Properties of Lightweight Aggregate Concrete Reinforced with Various Steel Fibers
Specimens | Details of fibers | Rsp (%) | Sl (mm) | Ac (%) | ρc (kg/m3) | fc(t) (MPa) | fsp (MPa) | fr (MPa) | Ec (MPa) | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shape | Vf (%) | 3 days | 28 days | 91 days | ||||||||
Co | N | 0 | 0.2 | 165 | 3.8 | 1685 | 30.7 | 43.4 | 44.2 | 3.61 | 3.14 | 17,560 |
SF(H)-0.5 | Hooked-end | 0.5 | 0.25 | 150 | 3.5 | 1733 | 31.9 | 45.7 | 47.1 | 4.12 | 4.26 | 17,687 |
SF(H)-1.0 | 1.0 | 0.35 | 130 | 3.4 | 1752 | 33.4 | 48.3 | 51.5 | 4.54 | 5.78 | 18,180 | |
SF(H)-1.5 | 1.5 | 0.4 | 120 | 3.0 | 1787 | 37.4 | 47.9 | 54.4 | 5.20 | 6.42 | 18,304 | |
CSF(S)-0.5 | Straight | 0.5 | 0.3 | 140 | 3.4 | 1743 | 34.7 | 46.4 | 52.9 | 4.08 | 3.95 | 17,756 |
CSF(S)-1.0 | 1.0 | 0.4 | 120 | 3.0 | 1790 | 35.7 | 52.6 | 55.7 | 5.41 | 4.45 | 19,302 | |
CSF(S)-1.5 | 1.5 | 0.45 | 110 | 3.2 | 1803 | 41.9 | 55.1 | 61.8 | 6.93 | 5.75 | 20,145 | |
CSF(C)-0.5 | Crimped | 0.5 | 0.45 | 100 | 3.4 | 1740 | 37.7 | 46.4 | 50.5 | 4.66 | 4.32 | 17,757 |
CSF(C)-1.0 | 1.0 | 0.65 | 70 | 3.5 | 1775 | 41.7 | 51.8 | 53.1 | 5.57 | 4.87 | 18,915 | |
CSF(C)-1.5 | 1.5 | 0.85 | 60 | 3.6 | 1792 | 40.1 | 48.8 | 49.2 | 6.56 | 5.12 | 18,610 | |
CSF(H)-0.5 | Hooked-end | 0.5 | 0.4 | 130 | 4.1 | 1729 | 34.4 | 48.1 | 49.0 | 4.91 | 4.85 | 18,139 |
CSF(H)-1.0 | 1.0 | 0.65 | 90 | 3.8 | 1760 | 41.5 | 48.9 | 54.9 | 5.92 | 7.01 | 18,510 | |
CSF(H)-1.5 | 1.5 | 0.75 | 60 | 3.7 | 1790 | 39.2 | 49.2 | 51.2 | 6.57 | 7.25 | 18,940 | |