1. In the figure, assume that a 20-mm diameter rivet joins the plates which are 100 mm wide. a. If the allowable stresses are 140 MPa for bearing in the plate material and 80 MPa for shearing of the rivet, determine the minimum thickness of each plate. b. Under the conditions specified in part (a), what is the largest average tensile stress in the plates? Figure:

1. In the figure, assume that a 20-mm diameter rivet joins the plates which are 100 mm wide. a. If the allowable stresses are 140 MPa for bearing in the plate material and 80 MPa for shearing of the rivet, determine the minimum thickness of each plate. b. Under the conditions specified in part (a), what is the largest average tensile stress in the plates? Figure:

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The figure shows a riveted lap joint with cover plates connecting two steel plates. Each rivet has diameter of 12 mm and the thickness of each steel plate is 15 mm. (a) Compute the shear stress (MPa) in each rivet due to a force of 10.2 kN applied to the plates. (b) If the bearing stress in the steel plates is limited to 40 MPa, what is the allowable load P (kN)? (c) If the width of the steel plates is 100 mm what is the allowable load P (kN) for a limited normal stress of 20 MPa?
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t=10 mm b=240 mm F.S=1.9 σall=230 MPa
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Four plates, each being 15 mm thick, are to be connected by six bolts of 19 mm diameter as shown. Consider B = 181 mm. Assume that the force is equally distributed among the rivets. A. Determine the minimum force P (Newtons) if the allowable bolt shearing stress is 33 MPa. B. Determine the minimum force P (Newtons) if the allowable plate bearing stress is 32 MPa. C. Determine the tensile stress of the top plate (MPa) at segment a-a if the force P is 35 kN.
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Please answer ASAP in 3 decimal places, need within an hour, thank you!