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The beam is made of timber that has an allowable bending stress of O allow = 6.5 MPa and an allowable shear stress of Tallow

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3 In 116)(1.22b) 12 4 -] 0.15132 b Qmax A » (0-305 b) (0.616) (6) 3 = 0.18 605b z M1 Momax = 16 kN-m - 16 -16 Mmas c • allow

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