Stress Block Diagram
Design bending moments
First order Additional second moments for order moments for
'stocky' columns 'slender' columns
'01 ^ '2 Total moment diagram for 'slender' columns
First order Additional second moments for order moments for
'stocky' columns 'slender' columns
'01 ^ '2 Total moment diagram for 'slender' columns
Table 4
Effective length factor, F, for braced columns
Figure 6
Calculating factor
Figure 7
Stress block diagram for columns
Table 4
Effective length factor, F, for braced columns
|
k2 |
k1 | ||||||||||
|
0.10 |
0.20 |
0.30 |
0.40 |
0.50 |
0.70 |
1.00 |
2.00 |
5.00 |
9.00 |
Pinned | |
|
0.10 |
0.59 |
0.62 |
0.64 |
0.66 |
0.67 |
0.69 |
0.71 |
0.73 |
0.75 |
0.76 |
0.77 |
|
0.20 |
0.62 |
0.65 |
0.68 |
0.69 |
0.71 |
0.73 |
0.74 |
0.77 |
0.79 |
0.80 |
0.81 |
|
0.30 |
0.64 |
0.68 |
0.70 |
0.72 |
0.73 |
0.75 |
0.77 |
0.80 |
0.82 |
0.83 |
0.84 |
|
0.40 |
0.66 |
0.69 |
0.72 |
0.74 |
0.75 |
0.77 |
0.79 |
0.82 |
0.84 |
0.85 |
0.86 |
|
0.50 |
0.67 |
0.71 |
0.73 |
0.75 |
0.76 |
0.78 |
0.80 |
0.83 |
0.86 |
0.86 |
0.87 |
|
0.70 |
0.69 |
0.73 |
0.75 |
0.77 |
0.78 |
0.80 |
0.82 |
0.85 |
0.88 |
0.89 |
0.90 |
|
1.00 |
0.71 |
0.74 |
0.77 |
0.79 |
0.80 |
0.82 |
0.84 |
0.88 |
0.90 |
0.91 |
0.92 |
|
2.00 |
0.73 |
0.77 |
0.80 |
0.82 |
0.83 |
0.85 |
0.88 |
0.91 |
0.93 |
0.94 |
0.95 |
|
5.00 |
0.75 |
0.79 |
0.82 |
0.84 |
0.86 |
0.88 |
0.90 |
0.93 |
0.96 |
0.97 |
0.98 |
|
9.00 |
0.76 |
0.80 |
0.83 |
0.85 |
0.86 |
0.89 |
0.91 |
0.94 |
0.97 |
0.98 |
0.99 |
|
Pinned |
0.77 |
0.81 |
0.84 |
0.86 |
0.87 |
0.90 |
0.92 |
0.95 |
0.98 |
0.99 |
Calculating factor 
Figure 7 Stress block diagram for columns 
Figure 8 Strain diagrams for columns |
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