Specifications: M20 Bolts in standard holes. Nominal hole diameter = 22mm Effective Hole diameter = nominal hole diameter + 2 mm A325 steel bolt Assume thread in shear plane Fv = 372 MPa Properties of Angle Bar < 125 x 125 x 13 mm A = 3065 mm² x = 36.3 mm y = 36.3 mm Fy = 248 MPa , Fu = 410 MPa 1. Considering shearing in bolts, what is the allowable force P (kN) that the connection can handle if allowable shearing stress in bolts is Fv/2 a. 257.61 b. 390.25 c. 233.73 d. 309.25 2. Considering yielding of angle bar, what is the allowable force P that the connection can handle if allowable yielding stress in gross area of angle bar is Fy/1.67 a. 201.25
Specifications: M20 Bolts in standard holes. Nominal hole diameter = 22mm Effective Hole diameter = nominal hole diameter + 2 mm A325 steel bolt Assume thread in shear plane Fv = 372 MPa Properties of Angle Bar < 125 x 125 x 13 mm A = 3065 mm² x = 36.3 mm y = 36.3 mm Fy = 248 MPa , Fu = 410 MPa 1. Considering shearing in bolts, what is the allowable force P (kN) that the connection can handle if allowable shearing stress in bolts is Fv/2 a. 257.61 b. 390.25 c. 233.73 d. 309.25 2. Considering yielding of angle bar, what is the allowable force P that the connection can handle if allowable yielding stress in gross area of angle bar is Fy/1.67 a. 201.25
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
Related questions
Question
In the Bolted Connection shown, find the following by ASD.
Specifications:
M20 Bolts in standard holes.
Nominal hole diameter = 22mm
Effective Hole diameter = nominal hole diameter + 2 mm
A325 steel bolt
Assume thread in shear plane
Fv = 372 MPa
Properties of Angle Bar
< 125 x 125 x 13 mm
A = 3065 mm²
x = 36.3 mm
y = 36.3 mm
Fy = 248 MPa , Fu = 410 MPa
1. Considering shearing in bolts, what is the allowable force P (kN) that the connection can handle if allowable shearing stress in bolts is Fv/2
a. 257.61
b. 390.25
c. 233.73
d. 309.25
2. Considering yielding of angle bar, what is the allowable force P that the connection can handle if allowable yielding stress in gross area of angle bar is Fy/1.67
a. 201.25
b. 455.16
c. 403.03
d. 509.25
3. For angle bars used as bolted tension element connected to another element only on one leg, the effective area Ae = UAn. Where: An = Net area, U = Shear lag factor = 1 – x/L, L= center to center longitudinal distance of extremely located fasteners, X= distance from centroid of angle bar to surface of contact of joined elements. What is the shear lag factor of our angular bar?
a. 0.454
b. 0.9
c. 0.838
d. 0.869
4. Considering RUPTURE of angle bar, what is the allowable force P that the connection can handle if allowable RUPTURE stress in net area of angle bar is Fu/2
a. 463.83 kN
b. 472.94 kN
c. 483. 26 kN
d. 409.19 kN
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