Discussion :: Steel Structure Design
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For a steel grillage footing to support two unequal column loads
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A.
line of action of the resultant of two column loads, is made to coincide with the centre of gravity of the base of the footing
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B.
trapezoidal shape is used for the base footing
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C.
projections of beams on either side in lower tier are such that bending moments under columns are equal
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D.
bending moment under the columns are kept equal to the bending moment between to two columns
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E.
all the above.
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