The limit load of an elastic-plastic cracked three-point bend beam (Figure QA1) with S = 4W = 120 mm, crack length a and a/W = 0.4 is (Pi)c. Calculate %3D %3D the crack opening stress at a distance of 0.5 mm ahead of the crack tip in an elastic specimen subjected to bending load equal to the limit load. Assume that the materials yield strength is equal to oy = 300 MPa and the specimen is under plane strain condition. a S Figure QA1: three-point bend beam P.
The limit load of an elastic-plastic cracked three-point bend beam (Figure QA1) with S = 4W = 120 mm, crack length a and a/W = 0.4 is (Pi)c. Calculate %3D %3D the crack opening stress at a distance of 0.5 mm ahead of the crack tip in an elastic specimen subjected to bending load equal to the limit load. Assume that the materials yield strength is equal to oy = 300 MPa and the specimen is under plane strain condition. a S Figure QA1: three-point bend beam P.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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