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GATE Exam Questions - Engineering

Q1:

The plan of stairs supported at each end by landings spanning parallel with risers is shown in the below figure. The effective span of staircase slab is

A 3000 mm

B 4600 mm

C 4750 mm

D 6400 mm

ANS:B - 4600 mm

1) For L/s Span min of (1.2/2):0.6 or 1m ,take minimum of (0.6,1). 2) For other side of L/s Span (2.2/2): 1.1m,1m whichever is minimum The Effective span: going + 0.6 + 1.
: 3 + 0.6 + 1
: 4.6 m.