Solution to Problem 508 | Flexure Formula Problem 508 Determine the minimum height h of the beam shown in Fig. P-508 if the flexural stress is not to exceed 20 MPa. Solution 508 Click here to expand or collapse this section ΣMR2=0 3R1=2(5)+2(2.5)(4) R1=10kN ΣMR1=0 3R2=1(5)+1(2.5)(4) R2=5kN fb=McI Where: fb=20MPa M=5kN⋅m=5(1000)2N⋅mm c=12h I=bh312=80h312=203h3 Thus, 20=5(1000)2(12h)203h3 h2=18750 h=137mm answer Tags shear and moment diagrams concentrated load Uniformly Distributed Load overhanging beam flexural stress bending stress Log in or register to post comments Book traversal links for Solution to Problem 508 | Flexure Formula Solution to Problem 507 | Flexure Formula Up Solution to Problem 509 | Flexure Formula