Three M30X3.5 ISO grade 8.8 bolts are used in a joint. The joint is being subjected to amaximum load of 210 kN. The joint constant C = 0.35. The bolt has At=561 mm², Sp=600MPa, Sy=660 MPa, and Sut = 830 MPa, Se=162 MPa. The joint members are made of steelhaving stiffness parameters A = 0.78715 and B = 0.62873. The bolts are tightened to 75% of theproof load. Fill your answers in spaces provided and show your calculations on the sheetsprovided.a) Bolt initial load, F₁ =b) Bolt tightening torque, T ==c) Members' stiffness, Km=d) Bolt stiffness, Kb =e) Bolt resultant load, Fb =KNN.mKNMN/mMN/m

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Answered: Three M30X3.5 ISO grade 8.8 bolts are…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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• The connection shown in the figure if the screw is type 9 8 and the two plates are A'SI 1040 CD steel, the highest tensile strength that can be shed longtunally so that the safety factor is nct less than 25 The following possiblities of failure E- Shearing the bolts b-Loading the bolts • Loading into the member. item I tensile in the element M24x3 40 sO 40 -100- 25
Qestion-1: A 9/16 in UNF bolt is subjected to a load P = 60 kip in a tension joint as shown in Figure. The bolt is SAE grade 5 and lubricated. The initial bolt tension (F) = 35 kip. The bolt and joint stiffnesses are k, = 6.5 and km 10.8 Mlbf/in Note: Use the related tables, formulas and concepts to answer following question (a) Formulate to determine the preload and service load stresses in the bolt. (b) Solve to find the torque necessary to develop the preload. (c) Identify if the bolt will fail or no under preload and service load stresses (Calculated in part a) by comparing with the SAE minimum proof strength of the bolt. (d) Can you identify; with given input data, tables and formulas that bolt is self-locking? Table 8-9 SAE Specifications for Steel Bolts Size SAE Range Grade Inclusive, No. in +14 1 2 4 5 5.2 7 8 TI I LI I I I +-14 8.2 -1 Minimum Proof Strength," kpsi 33 55 33 65 85 74 85 105 120 120 Table 8-2 Diameters and Area of Unified Screw Threads Size Designation 0 1 2 3 4…
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For a bolted assembly, the stiffness of each bolt is ka = 700 MN/m and the stiffness of the members is km = 2100 MN/m per bolt. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly. An external load is applied to the entire joint with P = 360 kN. Assume the load is equally distributed to all the bolts. It has been determined to use M12x1.75 grade 8.8 bolts with rolled threads. (a) Determine the minimum number of bolts necessary to avoid yielding of the bolts. (b) Determine the minimum number of bolts necessary to avoid joint separation.
A 2.5-in Aluminum plate and a 1.5-in cast-iron plate are compressed with one bolt and nut. The bolt is 3/8 in-16 UNC. (1) Determine a suitable length for the bolt, rounded up to the nearest 4 in. (2) Determine the bolt stiffness ks. (3) Determine the stiffness of the members km.
only HANDWRITTEN answer needed ( NOT TYPED)
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Please help ASAP. Help for parts A-B will upload for the other part. Provide Free Body Diagram, labeled with appropriate quantities to better understand. Also solve. Thank you.
Question (2) Three M30X3.5 ISO grade 8.8 bolts are used in a joint. The joint is being subjected to a maximum load of 210 kN. The joint constant C = 0.35. The bolt has A = 561 mm2, Sp = 600 MPa, Sy 660 MPa, and Sut 830 MPa. The joint members are made of steel having stiffness parameters A = 0.78715 and B=0.62873. The bolts are tightened to 75% of the proof load. Fill your answers in spaces provided: %3D %3D %3D a) Bolt initial load, Fi =D kN b) Bolt tightening torque, T= N.m c) Members' stiffness, Km= MN/m d) Bolt stiffness, Kb- MN/m %3D e) Bolt resultant load, Fs= kN
Using the method of joints, calculate the axial force in each of the bars 1,2,3, & 4 and state whether in tension or compression. 45° 50° 60 30° 45% A B D E F 2P P RA Rs
strength of material

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