| Total Load on Truss(pounds) | |
| Pitch of Rafter (e.g. 6/12) | |
| Span Truss (inches) | |
| Depth of Top Chord (inches) | |
| Width of Top Chord (inches) | |
| Width of Web (inches) | |
| Depth of Web (inches) | |
| Select Species and Grade | |
| Allowable Fiberstress in Bending (Fb)(psi) | |
| Modulus of Elasticity (E or MOE)(million psi) | |
| Allowable Shear (Fv)(psi) | |
| Column Modulus of Elasticity (Emin)(million psi) | |
|
|
RESULTS |
| Bottom Chord Tension(lbs)(3,8) |
|
| Lower half of top chord, heeljoint, compression(lbs)(1,9) |
|
| Upper half of top chord, ridge, compression(lbs)(2,6) |
|
| Web, midspan rafter down to kingpost, compression(lbs)(4,7) |
|
| Kingpost, tension(lbs)(5) |
|
| Angle of Roof from Horizontal (degrees) |
|
| Top Chord Pass/Fail |
|
| Top Chord P<1>F |
|
| Top Chord Cp, Column Stability Factor |
|
| Top Chord allowable depth buckling stress (psi) |
|
| Top Chord allowable width buckling stress (psi) |
|
| Top Chord actual buckling stress (psi) |
|
| Top Chord allowable bending stress |
|
| Top Chord actual bending stress |
|
| Top Chord Line Length |
|