583_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

# 583_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 07Ch07.qxd 9/27/08 1:18 PM Page 577 SECTION 7.2 Plane Stress 577 Solution 7.2-11 Biaxial stress (welded joint) tx1y1 sy1 sy sx 2 sx + sy sin 2u + txy cos 2u sx1 375 psi 125 psi STRESSES ACTING ON THE WELD sx u arctan sy 500 psi sx1 3 in. 5 in. sx + sy txy 350 psi arctan 0.6 0 sw 30.96° tw sy sx + 2 2 125 psi 375 psi ; ; cos 2u + txy sin 2u 275 psi 12.0 MPa Problem 7.2-12 Solve the preceding problem for a plate of dimensions 100 mm * 250 mm subjected to a compressive stress of 2.5 MPa in the long direction and a tensile stress of 12.0 MPa in the short direction (see figure). ld We 100 mm 250 mm 2.5 MPa Solution 7.2-12 Biaxial stress (welded joint) tx1y1 sy1 sy sx 2 sx + sy sin 2u + txy cos 2u sx1 10.0 MPa STRESSES ACTING ON THE WELD sx u sx1 sy 2.5 MPa arctan 100 mm 250 mm sx + sy 2 0.5 MPa arctan 0.4 sy sx + 2 12.0 MPa txy 21.80° 0 sw tw cos 2u + txy sin 2u 10.0 MPa ; 5.0 MPa ; 5.0 MPa ...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online