GATE CE 2018 Set 1 — Question 15
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Structural Engineering → Steel Member Design → Column Bases
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Question
A steel column of ISHB 350 @72.4 kg/m is subjected to a factored axial compressive load of 2000 kN. The load is transferred to a concrete pedestal of grade M20 through a square base plate. Consider bearing strength of concrete as , where is the characteristic strength of concrete. Using limit state method and neglecting the self weight of base plate and steel column, the length of a side of the base plate to be provided is
Correct answer
(D) 48 cm
Solution
Given:
Factored Load,
Grade of concrete = M20, so
Bearing strength of concrete Area of base plate required, For a square base plate of side :
Rounding up to the nearest available option, the length of the side to be provided is 48 cm.
Factored Load,
Grade of concrete = M20, so
Bearing strength of concrete Area of base plate required, For a square base plate of side :
Rounding up to the nearest available option, the length of the side to be provided is 48 cm.
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