05-06ChapGere.0004

05-06ChapGere.0004 - 366 A-PDF Stresses in Beams CHAPTER 5...

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Solution 5.12-13 Steel block loaded by cables 366 CHAPTER 5 Stresses in Beams d P e t Steel block t 2 P 5 1200 lb d 5 0.25 in. t 5 1.0 in. b 5 width of block 5 3.0 in. C ROSS SECTION OF BLOCK A 5 bt 5 3.0 in. 2 (a) M AXIMUM TENSILE STRESS ( AT TOPOF BLOCK ) 5 400 psi 1 1500 psi 5 1900 psi 5 1200 lb 3 in. 2 1 (1200 lb)(0.625 in.)(0.5 in.) 0.25 in. 4 s t 5 P A 1 Pey I y 5 t 2 5 0.5 in. I 5 1 12 bt 3 5 0.25 in. 4 e 5 t 2 1 d 2 5 0.625 in. M AXIMUM COMPRESSIVE STRESS ( AT BOTTOM OF BLOCK ) 5 400 psi 2 1500 psi 52 1100 psi (b) I F d IS INCREASED , the eccentricity e increases and both stresses increase in magnitude. 5 1200 lb 3 in. 2 1 (1200 lb)(0.625 in.)( 2 0.5 in.) 0.25 in. 4 s c 5 P A 1 Pey I y t 2 0.5 in. Problem 5.12-14 A bar AB supports a load P acting at the centroid of the end cross section (see figure). In the middle region of the bar
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This note was uploaded on 09/20/2009 for the course COE 3001 taught by Professor Armanios during the Spring '08 term at Georgia Tech.

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