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For double lacing, how many times the thickness of the lacing bar should not be… — Answer & Solution | Civexa

Steel Structures · Built-up Columns

Built-up Columns MCQ with answer and solution

For double lacing, how many times the thickness of the lacing bar should not be less than its effective length?

Solution

Concept

Thickness of lacing bars (IS 800 cl. 7.6)

Step-by-step solution

1. For single lacing t ≥ l/40; for double lacing t ≥ l/60 as per the code.

Explanation

The question asks for the minimum thickness as a fraction of the effective length of the lacing bar.

Correct answer: D) 1/60

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