Reinforcing Steel Material: Difference between revisions
Jump to navigation
Jump to search
(Created page with '{| | style="background:yellow; color:black; width:800px" | '''uniaxialMaterial ReinforcingSteel $matTag $fy $fu $Es $Esh $esh $eult < -GABuck $lsr $beta $r $gama > < -DMBuck $l…') |
No edit summary |
||
| Line 1: | Line 1: | ||
{| | {| | ||
| style="width:150px" | '''$matTag ''' || integer tag identifying material | | style="width:150px" | '''$matTag ''' || integer tag identifying material | ||
|- | |- | ||
| '''$matTag''' || | | '''$matTag''' || unique material object integer tag | ||
| '''$fy''' || | | '''$fy''' || Yield stress in tension (see Figure 1) | ||
| '''$fu''' || | | '''$fu''' || Ultimate stress in tension | ||
| '''$Es''' || | | '''$Es''' || Initial elastic tangent | ||
| '''$Esh''' || | | '''$Esh''' || Tangent at initial strain hardening | ||
| '''$esh''' || | | '''$esh''' || Strain corresponding to initial strain hardening | ||
| '''$eult''' || | | '''$eult''' || Strain at peak stress | ||
| '''-GABuck''' || | | '''-GABuck''' || Buckling Model Based on Gomes and Appleton (1997) | ||
| '''$lsr''' || | | '''$lsr''' || Slenderness Ratio (see Figure 2) | ||
| '''$beta''' || | | '''$beta''' || Amplification factor for the buckled stress strain curve. (see Figure 3) | ||
| '''$r''' || | | '''$r''' ||Buckling reduction factor | ||
Buckling reduction factor | |||
r can be a real number between [0.0 and 1.0] | r can be a real number between [0.0 and 1.0] | ||
| Line 53: | Line 32: | ||
0.0<r<1.0 linear interpolation between buckled and unbuckled curves | 0.0<r<1.0 linear interpolation between buckled and unbuckled curves | ||
| '''$gamma''' || | | '''$gamma''' || Buckling constant (see Figures 3 and 4) | ||
|} | |} | ||
Revision as of 05:11, 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) |