You are tasked to check the safety factors for the bolt designs for the connection shown with an arrow below. The relevant dimensions are as follows. Bolts: 24 x M48 Coarse-Pitch, Grade 8.8 steel; (use textbook values for M36 strengths). Nut height H = 38mm; Washer height 8mm. Steel: Grade 1050HR steel; top plate thickness= 75mm; bottom plate thickness = 50mm. Applied moment M = 4016 kN.m. Assume that the connection is permanent. Also calculate the required torque to bring the bolts to the correct pre-tension. (All surfaces are zinc-plated).
You are tasked to check the safety factors for the bolt designs for the connection shown with an arrow below. The relevant dimensions are as follows. Bolts: 24 x M48 Coarse-Pitch, Grade 8.8 steel; (use textbook values for M36 strengths). Nut height H = 38mm; Washer height 8mm. Steel: Grade 1050HR steel; top plate thickness= 75mm; bottom plate thickness = 50mm. Applied moment M = 4016 kN.m. Assume that the connection is permanent. Also calculate the required torque to bring the bolts to the correct pre-tension. (All surfaces are zinc-plated).
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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Transcribed Image Text:M
M
←
Ⓒ
O
D=1175 mm
Ⓒ
Transcribed Image Text:Homework Problem
You are tasked to check the safety factors for the bolt designs for the connection shown with an
arrow below. The relevant dimensions are as follows. Bolts: 24 x M48 Coarse-Pitch, Grade 8.8
steel; (use textbook values for M36 strengths). Nut height H = 38mm; Washer height 8mm. Steel:
Grade 1050HR steel; top plate thickness = 75mm; bottom plate thickness = 50mm. Applied
moment M = 4016 kN.m. Assume that the connection is permanent. Also calculate the required
torque to bring the bolts to the correct pre-tension. (All surfaces are zinc-plated).
955
ESS 0000
D
For this assignment assume that the load on any bolt is F = Fmax sin 0. Where is defined as
below and where Fmax is the maximum force of any bolt. Sum the moments due to all the bolts,
and thus estimate the largest bolt load.
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