712_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

712_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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Unformatted text preview: 08Ch08.qxd 9/18/08 706 11:08 AM Page 706 CHAPTER 8 Applications of Plane Stress SIDE OF THE CROSS SECTION (AT POINT A) BOTTOM OF THE CROSS SECTION (AT POINT A) sx 0 sx sy 0 txy s1 s2 tmax Ay Q sx + sy 2 sx + sy A A 430.726 psi sy 2 sx A a sx a sx sy + a sx txy I2 t 2 sy 2 s1 2 b + txy2 s2 s1 tmax 431 psi MAX. SHEAR STRESS sx + sy + 2 sx + sy A 2 a A a a A sy sx b + txy2 sy sx b + txy2 2 2 2 2 sy 2 sx 2 b + txy2 ; s1 MAX. TENSILE STRESS MAX. COMPRESSIVE STRESS 431 psi 0 2 MAX. TENSILE STRESS s2 0 txy 2 b + txy2 103 psi (compressive stress) 8.591 sy b + txy2 2 M Az d2 2I 0 ; MAX. COMPRESSIVE STRESS ; tmax 431 psi ; NOTE: Since the principal stresses have opposite signs, the maximum in-plane shear is larger than the maximum out-of-plane shear stress. s2 8591 psi ; MAX. SHEAR STRESS tmax 4295 psi ; NOTE: Since the principal stresses have opposite signs, the maximum in-plane shear is larger than the maximum out-of-plane shear stress. ...
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This note was uploaded on 12/22/2011 for the course MEEG 310 taught by Professor Staff during the Fall '11 term at University of Delaware.

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