Reinforcing Steel Material: Difference between revisions
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| '''$matTag''' || unique material object integer tag | | '''$matTag''' || unique material object integer tag | ||
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| '''$fy''' || Yield stress in tension (see Figure 1) | | '''$fy''' || Yield stress in tension (see Figure 1) | ||
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| '''$fu''' || Ultimate stress in tension | | '''$fu''' || Ultimate stress in tension | ||
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| '''$Es''' || Initial elastic tangent | | '''$Es''' || Initial elastic tangent | ||
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| '''$Esh''' || Tangent at initial strain hardening | | '''$Esh''' || Tangent at initial strain hardening | ||
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| '''$esh''' || Strain corresponding to initial strain hardening | | '''$esh''' || Strain corresponding to initial strain hardening | ||
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| '''$eult''' || Strain at peak stress | | '''$eult''' || Strain at peak stress | ||
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| '''-GABuck''' || Buckling Model Based on Gomes and Appleton (1997) | | '''-GABuck''' || Buckling Model Based on Gomes and Appleton (1997) | ||
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| '''$lsr''' || Slenderness Ratio (see Figure 2) | | '''$lsr''' || Slenderness Ratio (see Figure 2) | ||
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| '''$beta''' || Amplification factor for the buckled stress strain curve. (see Figure 3) | | '''$beta''' || Amplification factor for the buckled stress strain curve. (see Figure 3) | ||
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| '''$r''' ||Buckling reduction factor | | '''$r''' ||Buckling reduction factor | ||
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0.0<r<1.0 linear interpolation between buckled and unbuckled curves | 0.0<r<1.0 linear interpolation between buckled and unbuckled curves | ||
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| '''$gamma''' || Buckling constant (see Figures 3 and 4) | | '''$gamma''' || Buckling constant (see Figures 3 and 4) | ||
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Revision as of 05:16, 7 December 2009
| $matTag | integer tag identifying material |
| $matTag | unique material object integer tag |
| $fy | Yield stress in tension (see Figure 1) |
| $fu | Ultimate stress in tension |
| $Es | Initial elastic tangent |
| $Esh | Tangent at initial strain hardening |
| $esh | Strain corresponding to initial strain hardening |
| $eult | Strain at peak stress |
| -GABuck | Buckling Model Based on Gomes and Appleton (1997) |
| $lsr | Slenderness Ratio (see Figure 2) |
| $beta | Amplification factor for the buckled stress strain curve. (see Figure 3) |
| $r | Buckling reduction factor
r can be a real number between [0.0 and 1.0] r=1.0 full reduction (no buckling) r=0.0 no reduction 0.0<r<1.0 linear interpolation between buckled and unbuckled curves |
| $gamma | Buckling constant (see Figures 3 and 4) |