1.C3 Two horizontal 5-kip forces are applied to pin B of the assembly shown. Each of the three pins at A, B, and C has the same diameter d and is in double shear. a) Write a computer program to calculate for values of d from 0.50 to 1.50 in., using 0.05-in. increments, i. ii. iv. V. (5) vi. (6) the average bearing stress at C in member BC, vii. (7) the average bearing stress at B in member BC. b) (b) Use this program to find the permissible values of the diameter d of the pins, knowing that (1) the maximum value of the average normal stress in member AB, (2) the average normal stress in member BC, (3) the average shearing stress in pin A, (4) the average shearing stress in pin C, the average bearing stress at A in member AB, the allowable values of the normal, shearing, and bearing stresses for the steel used are, respectively, 22 ksi, 13 ksi, and 36 ksi. c) (c) Solve part c, assuming that a new design is being investigated in which the thickness and width of the two members are changed, respectively, from 0.5 to 0.3 in. and from 1.8 to 2.4 in. 0.5 in. 18 in 60° 5 kips 5 kips 0.5 in. 45% -1.8 in. C

Elements Of Electromagnetics
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1.C3 Two horizontal 5-kip forces are applied to pin B of the assembly shown. Each of the three pins at A,
B, and C has the same diameter d and is in double shear.
a)
Write a computer program to calculate for values of d from 0.50 to 1.50 in., using 0.05-in.
increments,
i.
ii.
1.8 in
(1) the maximum value of the average normal stress in member AB,
(2) the average normal stress in member BC,
(3) the average shearing stress in pin A,
(4) the average shearing stress in pin C,
(5) the average bearing stress at A in member AB,
(6) the average bearing stress at C in member BC,
(7) the average bearing stress at B in member BC.
iii.
iv.
V.
vi.
vii.
b) (b) Use this program to find the permissible values of the diameter d of the pins, knowing that
the allowable values of the normal, shearing, and bearing stresses for the steel used are,
respectively, 22 ksi, 13 ksi, and 36 ksi.
c) (c) Solve part c, assuming that a new design is being investigated in which the thickness and
width of the two members are changed, respectively, from 0.5 to 0.3 in. and from 1.8 to 2.4 in.
0.5 in.
5 kips
5 kips
0.5 in.
-1.8 in.
с
Transcribed Image Text:1.C3 Two horizontal 5-kip forces are applied to pin B of the assembly shown. Each of the three pins at A, B, and C has the same diameter d and is in double shear. a) Write a computer program to calculate for values of d from 0.50 to 1.50 in., using 0.05-in. increments, i. ii. 1.8 in (1) the maximum value of the average normal stress in member AB, (2) the average normal stress in member BC, (3) the average shearing stress in pin A, (4) the average shearing stress in pin C, (5) the average bearing stress at A in member AB, (6) the average bearing stress at C in member BC, (7) the average bearing stress at B in member BC. iii. iv. V. vi. vii. b) (b) Use this program to find the permissible values of the diameter d of the pins, knowing that the allowable values of the normal, shearing, and bearing stresses for the steel used are, respectively, 22 ksi, 13 ksi, and 36 ksi. c) (c) Solve part c, assuming that a new design is being investigated in which the thickness and width of the two members are changed, respectively, from 0.5 to 0.3 in. and from 1.8 to 2.4 in. 0.5 in. 5 kips 5 kips 0.5 in. -1.8 in. с
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