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d) Determine the stress, strain and elongation/shortening of member AB (Assume Esteel = 200,000 MPa)

d) Determine the stress, strain and elongation/shortening of member AB (Assume Esteel = 200,000 MPa)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Solve d part only in 2 hours it's mechanical engineering question so plz don't reject and solve it
QUESTION 1 Use Figure 1, a pin jointed steel truss with bolted connections and the values presented in Tables 1 and 2, as well as your mathematical thinking and reasoning to respond to the following questions. a) Ignoring the self-weight of the members, determine the support reactions. b) Ignoring the self-weight of the members, determine the force in the four members AB, AD, CD and AC. c) Design members AB, AD, CD and AC. Use Equal Angle (EA) Sections for members in Tension and assume the member is bolted with 1 Hole in Leg. Use Square Hollow Sections (SHS) for members in Compression. For zero-force members use SHS 65x65x1.6. d) Determine the stress, strain and elongation/shortening of member AB (Assume Esteel = 200,000 MPa) e) Design the bolts for the connections on members AB, AD, CD and AC. Use the same "Grade:8.8" bolt size for all connections. That is, whatever bolt size is selected on one member, needs to be used on the other three members. The steel price is $16 per kg, and the bolt price is provided in Table 2. Determine the total cost of the material to build members AB, AD, CD and AC. Remember to include free body diagrams at part (a) and part (b) and your answers must be consistent with the orientation of the truss presented in Figure 1.
Transcribed Image Text:QUESTION 1 Use Figure 1, a pin jointed steel truss with bolted connections and the values presented in Tables 1 and 2, as well as your mathematical thinking and reasoning to respond to the following questions. a) Ignoring the self-weight of the members, determine the support reactions. b) Ignoring the self-weight of the members, determine the force in the four members AB, AD, CD and AC. c) Design members AB, AD, CD and AC. Use Equal Angle (EA) Sections for members in Tension and assume the member is bolted with 1 Hole in Leg. Use Square Hollow Sections (SHS) for members in Compression. For zero-force members use SHS 65x65x1.6. d) Determine the stress, strain and elongation/shortening of member AB (Assume Esteel = 200,000 MPa) e) Design the bolts for the connections on members AB, AD, CD and AC. Use the same "Grade:8.8" bolt size for all connections. That is, whatever bolt size is selected on one member, needs to be used on the other three members. The steel price is $16 per kg, and the bolt price is provided in Table 2. Determine the total cost of the material to build members AB, AD, CD and AC. Remember to include free body diagrams at part (a) and part (b) and your answers must be consistent with the orientation of the truss presented in Figure 1.
P₁ 290kN 210KN y-axis Î Table 1: Parameters for Question 1 P3 0 B 250KN 30° 40° 2m B B ►x-axis A 0.5L₁ PI P2 4₂ Table 2: Cost per bolt Cost per Bolt Bolt Grade: Grade: Size 4.6 8.8 M12 $9 M16 $11 $20 M20 $15 $24 M24 $17 $26 M30 $21 $28 M36 $23 ▬▬▬▬▬ P3 L₂ 2.7m E D L3 4.4m
Transcribed Image Text:P₁ 290kN 210KN y-axis Î Table 1: Parameters for Question 1 P3 0 B 250KN 30° 40° 2m B B ►x-axis A 0.5L₁ PI P2 4₂ Table 2: Cost per bolt Cost per Bolt Bolt Grade: Grade: Size 4.6 8.8 M12 $9 M16 $11 $20 M20 $15 $24 M24 $17 $26 M30 $21 $28 M36 $23 ▬▬▬▬▬ P3 L₂ 2.7m E D L3 4.4m
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