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2 cards from this section. Quick, good the night before a test.
What is lacing?
Think about how columns prevent sideways movement.
What angle is ideal for lacing?
Look for the typical range for maximum efficiency.
What is the primary function of lacing in built-up columns?
Think about what keeps the column standing steady.
True or False: Double lacing is used in columns to enhance resistance against lateral forces.
Consider how more members can improve stability.
A structural engineer is tasked with designing a built-up column with an axial load of 1000 kN. Calculate the number of lacing members required if each member can handle 50 kN of shear force.
Focus on the load distribution and capacity of each member.
A column has a design axial load of 2000 kN and uses double lacing at 60°. Calculate the shear force acting on each lacing member if designed to handle 2.5% of the axial load.
Remember how to calculate shear based on axial load percentage.
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