A cement concrete pavement of thickness 20 cm has two lanes of 7 m with a longitudinal joint. Total width of parament = 7 m, permissible stress in steel in tension (σs) = 1700 kg/cm2, density of concrete = 2400 kg/cm3, f = 1.5, permissible bond stress in steel (σb) = 24 kg/cm2. Calculate the minimum length of the tie bar (in cm), if the diameter of the bar is 10 mm.
1
16
2
18
3
32
4
36