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Chord prestress coefficient kₚ EN 1993-1-8
Formula
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Chord prestress coefficient kp EN 1993-1-8
| kp | Chord prestress coefficient |
| np | Ratio |
| fp | Value of acting compressive stress in chord member without stresses due to components of strut forces at connection parallel to chord |
| fy | Yield strength |
| Np | Starting axial compressive force in chord |
| A0 | Cross-sectional area of chord member |
| M0 | Secondary moment from eccentricity |
| W0 | Elastic section modulus of chord cross-section |
Chord prestress coefficient kₚ EN 1993-1-8
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