An RCC slab (M 25 grade), of dimensions 5 m × 5 m × 0.15 m, is suppo – McqOptions

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1.	An RCC slab (M 25 grade), of dimensions 5 m × 5 m × 0.15 m, is supported on four square columns (M 25 grade) of side 400 mm, the clear height of each column being 3 m. Assuming rigid connections, the fundamental time period of vibration of the slab along the horizontal direction is nearly.
A.	4.12 s
B.	2.80 s
C.	0.062 s
D.	1.07 s
Answer» D. 1.07 s

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