Questiorn A plate 100 mm wide, 230 mm long, and 12 mm thick is loaded in tension

Question

Questiorn A plate 100 mm wide, 230 mm long, and 12 mm thick is loaded in tension in the direction of Assistan the length. The plate contains a crack as shown in the figure below with the crack length of Check M a=18 mm. The material is steel with Kh"80 MPa-vm, and Sr =950 MPa. Determine l MMR the maximum possible load that can be applied before the plate yields. View Que Print 7.0 Report a l Plate loaded in longitudinal tension with a crack at the edge; for the solid curve there 60 are no constraints to bending; the dashed curve was obtained with bending constraints added 5.0 4,0| References

Explanation / Answer

First of all,

Load applied (here we are ignoring stress concentration)-

F = Sy*A, where A= area = b*t

Hence, F = Sy*(b*t)

Now put Sy = 950 MPa, b= 100mm, t = 12mm

Hence, F = 950*100*12

= 1140000 N

= 1140 KN is the maximum possible load that can be applied before the plate yields.

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