Table 9: Reliability index for LG550 cold-formed thin-walled steel axially-compressed members (Residence).
Grade |
ρ2 = SWk / SLk
|
ρ1 = (SLk + SWk)/SGk
|
Mean |
0.5 |
1.0 |
2.0 |
3.0 |
A |
0 |
4.374 |
4.470 |
4.398 |
4.347 |
4.397 |
0.5 |
4.136 |
4.378 |
4.433 |
4.417 |
4.341 |
1.0 |
4.062 |
4.291 |
4.372 |
4.369 |
4.274 |
2.0 |
3.959 |
4.080 |
4.046 |
4.000 |
4.021 |
3.0 |
3.897 |
3.955 |
3.872 |
3.810 |
3.884 |
4.0 |
3.858 |
3.878 |
3.770 |
3.702 |
3.802 |
B |
0 |
4.182 |
4.311 |
4.261 |
4.219 |
4.243 |
0.5 |
3.932 |
4.188 |
4.267 |
4.260 |
4.162 |
1.0 |
3.858 |
4.096 |
4.196 |
4.203 |
4.088 |
2.0 |
3.756 |
3.895 |
3.884 |
3.847 |
3.846 |
3.0 |
3.697 |
3.776 |
3.715 |
3.663 |
3.713 |
4.0 |
3.660 |
3.703 |
3.617 |
3.557 |
3.634 |
C |
0 |
4.174 |
4.303 |
4.255 |
4.213 |
4.236 |
0.5 |
3.924 |
4.180 |
4.259 |
4.253 |
4.154 |
1.0 |
3.849 |
4.088 |
4.189 |
4.195 |
4.080 |
2.0 |
3.748 |
3.887 |
3.876 |
3.840 |
3.838 |
3.0 |
3.689 |
3.768 |
3.708 |
3.656 |
3.705 |
4.0 |
3.651 |
3.695 |
3.610 |
3.550 |
3.626 |
D |
0 |
4.236 |
4.351 |
4.293 |
4.248 |
4.282 |
0.5 |
3.989 |
4.241 |
4.310 |
4.300 |
4.210 |
1.0 |
3.914 |
4.151 |
4.243 |
4.245 |
4.138 |
2.0 |
3.811 |
3.944 |
3.923 |
3.883 |
3.890 |
3.0 |
3.751 |
3.821 |
3.752 |
3.696 |
3.755 |
4.0 |
3.712 |
3.746 |
3.652 |
3.588 |
3.675 |