1. w (plf) diaphragm 1 diaphragm 2 R1L R1R R2L R2R v1R v1L v2L v2R SW2 C1
Boundary occurs at interior shear walls!
R1L
R1R
R2L
R2R
Field condition that must be boundary nailed!
Roof Layout
v1R
v1L
v2L
v2R
Roof Shear Diagram

2. R= 11,200 R= 11,200 Roof Shear Diagram Roof NailingZones w = 400 plf
Roof sheathing 15/32” CDX wood structural panel with 2x framing and 8d nailing
32’
Continuous panel joint
56’
R= 11,200
R= 11,200 8’ 8’
24’ 8’ 8’
v=350 plf
v=250 plf
v=150 plf
Roof Shear Diagram
v=150 plf
v=250 plf
v=350 plf
fully blocked
fully blocked
fully blocked
fully blocked
unblocked
Roof NailingZones
What does mean? … Please refer to Table 23-II-H