Problem 3. Bolted Connections 300 mm x 12.5 mm plates A single shear lap connection shown on the figure. 40 mm 40 80 mm mm 75 Given: 75 300 mm Fy = 248 MPa 75 75 Fu = 400 MPa Fn = minimum tensile strength of connecting material P. Fn = 300 MPa (nominal shear stress of bolts) Diameter of bolt = 22 mm 12.5 mm Use LRFD Design Method. a. Determine the design shear strength of the bolted connection with resistance factor Ø = 0.75. b. Determine the design bearing strength of the bolts on the connection. Resistance factor Ø = 0.75. c. Determine the design tensile force in the plate, (resistance factor Ø = 0.90 for yielding in gross section and Ø = 0.75 for fracture in the net section, assume Ae =An).
Problem 3. Bolted Connections 300 mm x 12.5 mm plates A single shear lap connection shown on the figure. 40 mm 40 80 mm mm 75 Given: 75 300 mm Fy = 248 MPa 75 75 Fu = 400 MPa Fn = minimum tensile strength of connecting material P. Fn = 300 MPa (nominal shear stress of bolts) Diameter of bolt = 22 mm 12.5 mm Use LRFD Design Method. a. Determine the design shear strength of the bolted connection with resistance factor Ø = 0.75. b. Determine the design bearing strength of the bolts on the connection. Resistance factor Ø = 0.75. c. Determine the design tensile force in the plate, (resistance factor Ø = 0.90 for yielding in gross section and Ø = 0.75 for fracture in the net section, assume Ae =An).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem 3. Bolted Connections
300 mm x 125 mm plates
A single shear lap connection
shown on the figure.
80
40
40
mm
mm
!mm
75
Given:
75
300 mm
Fy = 248 MPa
75
75
Fu = 400 MPa
Fn = minimum tensile strength of
connecting material
Fn = 300 MPa (nominal shear
stress of bolts)
Diameter of bolt = 22 mm
12.5 mm
Use LRFD Design Method.
a. Determine the design shear strength of the bolted connection with
resistance factor Ø = 0.75.
b. Determine the design bearing strength of the bolts on the
connection. Resistance factor Ø = 0.75.
c. Determine the design tensile force in the plate, (resistance factor
Ø = 0.90 for yielding in gross section and Ø = 0.75 for fracture in
the net section, assume Ae =An).
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