Unformatted text preview: s max in a simply supported wood beam (see figure) carrying a uniform load of 18.0 kN/m (which includes the weight of the beam) if the length is 1.75 m and the cross section is rectangular with width 150 mm and height 250 mm. Solution 5.82 Wood beam with a uniform load 1.75 m 18.0 kN/m 250 mm 150 mm L 5 1.75 m q 5 18 kN/m h 5 250 mm b 5 150 mm M AXIMUM SHEAR STRESS 5 630 kPa t max 5 3 V 2 A 5 3 qL 4 bh 5 3(18 kN / m)(1.75 m) 4(150 mm)(250 mm) V 5 qL 2 Ê A 5 bh M AXIMUM BENDING STRESS 5 4.41 MPa s max 5 M S 5 3 qL 2 4 bh 2 5 3(18 kN / m)(1.75 m) 2 4(150 mm)(250 mm) 2 M 5 qL 2 8 Ê S 5 bh 2 6 APDF Split DEMO : Purchase from www.APDF.com to remove the watermark...
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 Spring '08
 Armanios
 Force, Shear Stress, Second moment of area, maximum shear stress, Rectangular beams

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