1.69 The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal. Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing stresses.) Ꮎ 2.0 in. B A 2.4 kips Fig. P1.69 and P1.70 1.25 in. 1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C. 75 mm 300 mm 9 mm A B 125 mm 5 mm Fig. P1.24 and P1.25 Answer (a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa. D Page 26
1.69 The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal. Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing stresses.) Ꮎ 2.0 in. B A 2.4 kips Fig. P1.69 and P1.70 1.25 in. 1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C. 75 mm 300 mm 9 mm A B 125 mm 5 mm Fig. P1.24 and P1.25 Answer (a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa. D Page 26
Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN:9781337094740
Author:Segui, William T.
Publisher:Segui, William T.
Chapter10: Plate Girders
Section: Chapter Questions
Problem 10.7.9P
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Question
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Transcribed Image Text:1.69
The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal.
Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the
value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of
safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing
stresses.)
Ꮎ
2.0 in.
B
A
2.4 kips
Fig. P1.69 and P1.70
1.25 in.
Transcribed Image Text:1.24
A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the
average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress
in each support bracket at C.
75 mm
300 mm
9 mm
A
B
125 mm
5 mm
Fig. P1.24 and P1.25
Answer
(a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa.
D
Page 26
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