PROBLEM 3. A double-row butt joint is used as a connection. It is made up of two 210-mm by 20-mm coverplates and 210-mm by 35-mm main plate. The plates are to be connected by 32-mm diameter rivets. Theallowable stresses are 75MPa for shear, 90MPa for tension and 285MPa bearing. Assume that each hole is3mm larger than the rivet diameter.ustPDFngimenGIBLo Alel1. What is the largest value of P (kN) that can be applied without exceeding the ollowable stress for shear?2. What is the largest value of P (kN) that can be applied without exceeding the ollowable stress for bearing?3. What is the largest value of P (kN) that can be applied withour exceeding the allowable stress for tension?ng in

Given : Rivet dia = 32 mm hole dia = 32+ 3 = 35 mm Allowable stress for shear = 75 mpa Allowable…

Answered: 1.What is the largest value of P (kN)…

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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A double-riveted double-strap butt joint is used to connect two plates; eachof 12 mm thickness, by means of 16 mm diameter rivets having a pitch of 48mm. The rivets and plates are made of steel. The permissible stresses in tension,shear and compression are 80, 60 and 120 N/mm2 respectively. Determine theefficiency of the joint.
For a lap joint, determine the maximum safe load P which may be applied if the shearing stress in the rivets is limited to 60 MPa, the bearing stress in the plates to 110 MPa, and the average tensile stress in the plate to 140 MPa
Assume that the axial load P applied to the lap joint is distributed equally among the three 20-mm-diameter rivets. What is the maximum load P that can be applied if the allowable stresses are 40 MPa for shear in rivets, 90 MPa for bearing between a plate and a rivet, and 120 MPa for tension in the plates?
A steam boiler is to have a 300 mm diameter hand placed hole on one end. If themaximum internal pressure is 1.3 MPa, how many 15 mm holes will be required to keepthe cover plate in position? The root diameter of a 15 mm bolt is 12 mm. The allowabletensile stress in the bolts is 100 MPa and the initial stress in the bolts when they aretightened is 600 MPa.
Pipe (2) is supported by a pin at bracket C and by tie rod (1). The structure supports a load P at pin B. Tie rod (1) has a diameter of 15 mm and an allowable normal stress of 115 MPa. Pipe (2) has an outside diameter of 58 mm, a wall thickness of 3 mm, and an allowable normal stress of 65 MPa. Assume x3 = 3.7 m, x2 = 1.5 m, and y; = 4.1 m, Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress
The structure is used to support a distributed load of w = 5 kN/m. The bolts at A, B, and C each have a diameter of 16 mm and each bolt is used in a double shear connection. The cross-sectional area of axial member (1) is 3,080 mm^2. The allowable stress in axial member (1) is 50 MPa and 280 MPa for the bolts. Determine the factor of safety with respect to the specified allowable stresses for axial member (1) and bolt at C.
From the given bracket shown, which consist of two plates riveted to the column by 4-22mm Ø rivets which is subjected to an eccentric load of 150 kN. 1. Which of the following gives the shearing stress due to axial load only? a. 49.325 MPa b. 70.25 MPa c. 80.47 MPa d. 68.25 MPa 2.. Which of the following gives the shearing stress due to moment alone? a. 69.76 MPa b. 70.94 MPa c. 56.39 MPa d. 64.32 MPa 3. Which of the following gives the maximum shearing stress? a. 110.30 MPa b. 120.40 MPa c. 140.50 MPa d. 105.70 MPa
A lap joint, consisting of 250 mm × 75 mm wooden plates, is fastened with two(2) rows of 20 mm diameter rivets . There are three(3) rivets in a row. The working stresses are 70MPa for rivets in shear and 140 MPa for plates in bearing. Find the maximum safe axial load P that can be applied to the joint. Assume that the load is equally distributed among the rivets.
A cylindrical pressure vessel is fabricated from steel plating that has a thickness of 30 mm. The outer diamter and thickness of the pressure vessel is 500 mm and 10 mm. Its length is 2m. Determine the maximum internal pressure (MPa) that can be applied if the longitudinal stress is limited to 155 MPa, and the circumferencial stress is limited to 55 MPa.
(D) Seven circular cross-section rivets (Dia.=16 mm) are used to fix a lap joint of steel plates under single shear action. If the rivets are made from Aluminium (E=80 GPa) and the plates under tension of 15 kN. Solve this problem to show weather this joint is safe or not. Suppose all the rivets have equal load share.
The lap point is fastened with four 20-mm-diameter rivets. the working stresses are 110 MPa for rivets in shear and 180 MPa for plates in bearing. Find the maximum safe load P that can be applied to the joint. Assume that the load is equally distributed among the rivets
The given plate below with width of 200 mm andthickness of 16 mm is to be connected to two plates ofthe same width with half the thickness by 20 mmdiameter rivets as shown. The rivet hole is 2 mm greaterthan the rivet diameter. Allowable tensile stress on netarea is 0.6Fy. Allowable bearing stress is 1.35Fy. plate: fy = 241 mpa fu = 4141 mpa rivet: fv = 152 mpa Determine maximum load P for block shear

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