687_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

687_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 08Ch08.qxd 9/18/08 11:06 AM Page 681 SECTION 8.5 Combined Loadings LONGITUDINAL STRESS (TENSION) s2 pr 2t pr 2t F A F 2prt 6.25p 72,000 N 2p(50 mm)(4 mm) 6.25p 57.296 Mpa Units: s2 MPa p MPa IN-PLANE SHEAR STRESS (CASE 1) s2 s1 tmax 3.125 p + 28.648 Mpa 2 60 MPa 3.125 p Solving, p1 OUT-OF-PLANE SHEAR STRESSES s1 2 Case 2: tmax Solving, p2 60 MPa 6.25 p; 60 MPa 6.25 p 9.60 MPa s2 2 Case 3: tmax 3.125 p 3.125 p Solving, p3 BIAXIAL STRESS 681 28.648 MPa 28.648 MPa 28.37 MPa CASE 2, OUT-OF-PLANE SHEAR STRESS GOVERNS pmax ; 9.60 MPa 28.648 MPa 10.03 MPa Problem 8.5-7 A cylindrical tank having diameter d 2.5 in. is subjected to internal gas pressure p 600 psi and an external tensile load T 1000 lb (see figure). Determine the minimum thickness t of the wall of the tank based upon an allowable shear stress of 3000 psi. Solution 8.5-7 T T Cylindrical tank with tensile load CIRCUMFERENTIAL STRESS (TENSION) pr t Units: s1 s1 T 1000 lb p 600 psi d 2.5 in. t tallow thickness 3000 psi (600 psi)(1.25 in.) psi t t inches 750 t s2 psi ...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online