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End conditions

The buckled shape (dashed) of the steel column is shown for the following top end condition:
A. fixed in rotation, free in translation
B. fixed in translation, free to rotate
C. free to both rotate and move side to side
D. fixed in rotation, fixed in translation

AnswerA. fixed in rotation, free in translation (bottom is rotation free and translation fixed).
ARE 4.0 exam prep: SS

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