Research Article
Cumulative Ductility and Hysteretic Behavior of Small Buckling-Restrained Braces
Table 2
Properties of SBRB sections.
| | | SBRB-1 | SBRB-2 | SBRB-3 | SBRB-4 |
| | fy(core)- MPa | 265.0 | 265.0 | 265.0 | 265.0 | | A(core)- mm2 | 387.1 | 311.3 | 297.8 | 377.6 | | Ny(core)- N | 102581.5 | 82483.9 | 78925.0 | 100069.3 | | E(tube)- MPa | 214285.0 | 214285.0 | 214285.0 | 214285.0 | | I(tube)- mm4 | 113255.6 | 54069.7 | 47332.8 | 99372.8 | | L(core)- mm | 709.0 | 707.0 | 707.0 | 709.0 | | N(tube-Euler)- N | 476012.6 | 228542.1 | 200066.4 | 417663.0 | | b(tube)- mm | 48.5 | 40.5 | 38.8 | 46.5 | | t(tube)- mm | 3.3 | 2.7 | 2.7 | 3.3 | | b(core)- mm | 49.0 | 39.4 | 37.7 | 47.8 | | t(core)- mm | 7.9 | 7.9 | 7.9 | 7.9 | | Z(tube)- mm4 | 5123.9 | 2927.4 | 2678.8 | 4695.9 | | fy(tube)- MPa | 440.0 | 330.0 | 330.0 | 440.0 | | M(tube-yield)-Nmm | 2254500.5 | 966047.2 | 884004.4 | 2066200.2 | | a- mm | 1.8 | 0.6 | 0.6 | 0.9 | | s- mm | 2.4 | 2.2 | 1.8 | 2.1 | | e- mm | 1.6 | 0.9 | 1.0 | 1.1 |
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