Laserfiche WebLink
Project:Jerabek page <br /> Location: 1 3/4 x 11 1/4 Microllam @ 16"o.c.main flr jst abv garage(2-2X12 g�a1;; AmericanHomePlanners S <br /> Floor Joist 2812 Colby Avenue of <br /> [2012 International Building Code(2012 NDS)] - Everett WA 98201 <br /> (2) 1.5 IN x 11.25 IN x 18.0 FT @16 O.C. <br /> - #2-Hem-Fir-Dry Use StruCalc Version 9.0.1.0 12/15/2014 3:32:20 PM <br /> Section Adequate By:73.6% <br /> Controlling Factor:Moment <br /> CAUTIONS <br /> *Properly connect sheathing to double joists/rafters or fully laminate to transfer diaphragm forces. <br /> DEFLECTIONS Center LOADING DIAGRAM <br /> Live Load 0.23 IN L/951 <br /> Dead Load 0.09 in <br /> Total Load 0.31 IN L/692 <br /> Live Load Deflection Criteria: L/480 Total Load Deflection Criteria:L/360 <br /> REACTIONS <br /> Live Load 480 lb 480 lb <br /> Dead Load 180 lb 180 lb <br /> Total Load 660 lb 660 lb <br /> Bearing Length 0.54 in 0.54 in <br /> BEAM DATA Center <br /> Span Length <br /> Unbraced Length-Top 0 ft <br /> _A- ----- --- --18h------._.__.__-_-.-------._------- B <br /> _— <br /> Unbraced Length-Bottom 0 ft <br /> Floor sheathing applied to top of joists-top of joists fully braced. <br /> Floor Duration Factor 1.00 JOIST LOADING <br /> MATERIAL PROPERTIES Uniform Floor Loading Center <br /> #2-Hem-Fir Live Load LL= 40 psf <br /> Base Values Adjusted Dead Load DL= 15 psf <br /> Bending Stress: Fb= 850 psi Fb'= 978 psi Total Load TL= 55 psf <br /> Cd=1.00 CF=1.00 Cr-1.15 TL Adj.For Joist Spacing wT= 73.3 plf <br /> Shear Stress: Fv= 150 psi Fv'= 150 psi <br /> Cd=1.00 <br /> Modulus of Elasticity: E= 1300 ksi E'= 1300 ksi <br /> Comp.--to Grain: Fc--i-= 405 psi Fc-_'= 405 psi <br /> Controlling Moment: 2970 ft-lb <br /> 9.0 Ft from left support of span 2(Center Span) <br /> Created by combining all dead loads and live loads on span(s)2 <br /> Controlling Shear: -660 lb <br /> At right support of span 2(Center Span) <br /> Created by combining all dead loads and live loads on span(s)2 <br /> Comparisons with required sections: Req'd Provided <br /> Section Modulus: 36.46 in3 63.28 in3 <br /> Area(Shear): 6.6 int 33.75 in2 <br /> Moment of Inertia(deflection): 222.03 in4 426.62 in4 <br /> Moment: 2970 ft-lb 5155 ft-lb <br /> Shear: -660 lb 3375 lb <br /> Decking Information <br /> Plywood Thickness: T= 3/4 in <br /> Plywood Is Glued: <br /> Moment of Inertia Calculations For Glued Floor: <br /> Joist Area: A-joist= 33.75 IN2 <br /> Plywood Area: A-ply= 2.08 IN2 <br /> Section Centroid: C= 6 IN ABOVE BASE <br /> Moment of Inertia(deflection): I-comb= 427 IN4 <br />