CIVL439/WOOD476 2003 Support connections Haunch connections Connection Design 胞 Connectors loaded at an angle to the grain Calculate connection force 90 0 fast Hankinson's Interaction Equation .fastener availability N,= PO. .ductility requirement ·Calculate capacity Psin0+O.cos20 Nail connections Nailed trusses 4 CIVL439 / WOOD476 2003 4 Support connections Haunch connections Connection Design  Calculate connection force  Choose fastener type based on • available space • fastener capacity • structural configuration • aesthetics • fastener availability • ductility requirement  Calculate capacity Connectors loaded at an angle to the grain   2 2 P sin Q cos P Q N r r r r r   Pr Qr Nr θ Hankinson’s Interaction Equation θ = 90o θ = 0o Nail connections Nailed trusses