Open Access
Table 1
Symbol description.
| Symbol | Description | Symbol | Description |
|---|---|---|---|
| l1,l2 | Length of chord member AB and BC | P | Axial force on chord member AB and BC |
| β | Inclination of chord member in variable cross-section | M1 | Bending moment of chord member AB at point A |
| M′1 | Bending moment of web member AI at point A | M2 | Bending moment of chord member AB at point B |
| M′2 | Bending moment of web member BC at point B | M3 | Bending moment of chord member BC at point C |
| M′3 | Bending moment of web member CI at point C | θ1 | Angle of chord member AB at point A |
| θ′1 | Angle of web member AI at point A | θ2 | Angle of chord member AB at point B |
| θ′2 | Angle of chord member BC at point B | θ3 | Angle of chord member BC at point C |
| θ′3 | Angle of web member CI at point C | δ | Downward deflection of chord member ABC at point B |
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