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Highway Engineering - Engineering

Q1:

If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is

A

B

C

D

ANS:D -

Option A is the correct answer.

Verify by dimension.
At is in m^2
t is in kg/m^2
W is in kg/m^2
L is in m.

Thus, At x t / W x L = (m^2 x kg/m^2)/(kg/m^2 x m) = m.