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ROOF DIAPHRAGM <br />DIRECTION OF ANALYSIS- <br />LONGITUDINAL DIRECTION: wpx=wtotal-wwalls = <br />TRANSVERSE DIRECTION: wpx=wtotal-wwalls = <br />LONGITUDINAL DIRECTION: Fpx= <br />TRANSVERSE DIRECTION: Fpx= <br />Tributary Area of Diaphragm: <br />/= <br />Minimum Diaphragm Force:Maximum Diaphragm Force: <br />LONGITUDINAL DIRECTION: Fpx=LONGITUDINAL DIRECTION: Fpx= <br />TRANSVERSE DIRECTION: Fpx=TRANSVERSE DIRECTION: Fpx= <br />GOVERNING DIAPHRAMGM FORCES:Diaphragm Parameters: <br />LONGITUDINAL DIRECTION: Fpx=LONGITUDINAL LENGTH:ft <br />TRANSVERSE DIRECTION: Fpx=TRANSVERSE LENGTH:ft <br />: 1 <br />LONGITUDINAL:TRANSVERSE: <br />w =3112 lbs/41 ft =w =3561 lbs/19.5 ft = <br />R=V=76 plf * (41 ft/2) =R=V=183 plf * (19.5 ft/2) = <br />v=V/b=1556lbs/19.5ft =v=V/b=1781lbs/41ft = <br />15/32" Sheathing with: <br />768 ft²768 ft²100.00% <br />14624 plf <br />16736 plf <br />1710 lbs <br />1957 lbs <br />3112 lbs <br />3561 lbs <br />USE <br />7123 lbs <br />15/32" Sheathing with Allowable Load <br />3112 lbs <br />8d @ 6" O.C. (unblocked) <br />43 plf80 plf <br />Area: <br />7.0 <br />DIAPHRAGM DESIGN FORCE <br />6224 lbs <br />3561 lbs <br />edge & boundary nailing:lb/ft <br />8d @ 6" O.C. (unblocked)180 <br />8d @ 6" O.C. (blocked)270 <br />41 <br />1556 lbs 1781 lbs <br />19.5 <br />Aspect Ratio :2.1 <br />76 plf 183 plf <br />8d @ 4" O.C. (blocked)360 <br />Ga <br />k/in <br />ROOF SHEATHING SCHEDULE <br />4.5 <br />7.5 <br />8d @ 3" O.C. (blocked)530 <br />8d @ 2" O.C. (blocked)600 <br />10d @ 2" O.C. (blocked)655 <br />11 <br />15 <br />4.5 <br />18 <br />Page 29