Table 2 Experimental results.
From: Simplified Design Procedure for Reinforced Concrete Columns Based on Equivalent Column Concept
Group no. | Column | Cracking load, kN | Failure load, kN | Maximum measured steel strain at mid-height, micro-strain | Maximum lateral deflection, mm | Dominant mode of failure | |
|---|---|---|---|---|---|---|---|
Compressive | Tensile | ||||||
Control | C-0-0 | NA | 675 | 2247 | NA | 3.06 | Sudden compressive |
1 | S-1-1 | NA | 450 | 2326 | NA | 7.72 | Compression failure |
S-3-3 | 270 | 300 | 2063 | 3453 | 8.91 | Tension failure | |
S-5-5 | 105 | 170 | 980 | 2362 | 14.77 | Tension failure | |
2 | S-0-1 | NA | 530 | 1982 | NA | 2.72 | Compression failure |
S-1-3 | NA | 395 | 1809 | NA | 8.47 | Compression failure | |
S-1-5 | 210 | 245 | 1103 | 474 | 7.60 | Tension failure | |
S-0-3 | NA | 410 | 1612 | NA | 4.04 | Compression failure | |
S-3-5 | 180 | 220 | 1157 | 958 | 11.37 | Tension failure | |
S-5-0 | 220 | 265 | 856 | 446 | 5.65 | Tension failure | |
3 | D-1-1 | NA | 580 | 1460 | NA | 2.82 | Compression failure |
D-3-3 | 300 | 473 | 1004 | NA | 5.40 | Tension failure | |
D-5-5 | 250 | 416 | 528 | NA | 4.90 | Tension failure | |
4 | D-1-3 | NA | 480 | 1321 | NA | 2.56 | Compression failure |
D-1-5 | 180 | 300 | 905 | NA | 5.77 | Tension failure | |
D-3-5 | 240 | 379 | 569 | NA | 4.57 | Tension failure | |