Problem 3 Design of Tension Members A double channel shape is used as 75 a tension member. The channels are (channel (12.18 mm |SO bolted to a 10 mm gusset plate with 22 mm diameter bolts. 50 Yield strength for tension member = 345 MPa 100 50 Yield strength for gusset plate 248 MPa thisl) 中 어 to ㅇ

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Chapter3: Tension Members
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Problem 3 Design of Tension Members
A double channel shape is used as
75 75 7
75.
a tension member. The channels are
/channel (12.18 mm thick)
bolted to a 10 mm gusset plate
|50
with 22 mm diameter bolts.
50
Yield strength for tension member
= 345 MPa
100
T
SO
Yield strength for gusset plate
248 MPa
gusset plate (10 mm thick)
Ultimate tensile strength Fu = 400
MPa for gusset
plate
Fu =
450 MPa for channel
Properties of 1 channel
A = 3555 mm²
t, = 12.18 mm
Reduction factor, U = 0.90
a. Determine the ultimate tensile strength of the tension member
(channel) based on its gross area.
b. Determine the allowable tensile strength of the tension member
(channel) based on its gross area.
c. Determine the ultimate tensile strength of the tension member
(kN)
(kN)
(channel) based on its net area. (kN)
d. Determine the allowable tensile strength of the tension member
(channel) based on its net area.
(kN)
e. Determine the ultimate block shear capacity of the connection.
(kN)
f. Determine the allowable block shear capacity of the connection.
(kN)
Transcribed Image Text:Problem 3 Design of Tension Members A double channel shape is used as 75 75 7 75. a tension member. The channels are /channel (12.18 mm thick) bolted to a 10 mm gusset plate |50 with 22 mm diameter bolts. 50 Yield strength for tension member = 345 MPa 100 T SO Yield strength for gusset plate 248 MPa gusset plate (10 mm thick) Ultimate tensile strength Fu = 400 MPa for gusset plate Fu = 450 MPa for channel Properties of 1 channel A = 3555 mm² t, = 12.18 mm Reduction factor, U = 0.90 a. Determine the ultimate tensile strength of the tension member (channel) based on its gross area. b. Determine the allowable tensile strength of the tension member (channel) based on its gross area. c. Determine the ultimate tensile strength of the tension member (kN) (kN) (channel) based on its net area. (kN) d. Determine the allowable tensile strength of the tension member (channel) based on its net area. (kN) e. Determine the ultimate block shear capacity of the connection. (kN) f. Determine the allowable block shear capacity of the connection. (kN)
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