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Table 1 Retention factors of material strength and stiffness

From: Large deflection response of restrained steel beams under fire and explosion loads

T (°C) 20 100 200 300 400 500 600 700 800 900 1000 1100
\(E_{T} /E\) 1.0 1.0 0.9 0.8 0.7 0.6 0.31 0.13 0.09 0.0675 0.045 0.0225
\(\sigma_{s}^{T} /\sigma_{s}\) 1.0 1.0 1.0 1.0 1.0 0.78 0.47 0.23 0.11 0.06 0.04 0.02