Week 5 Challenge

MUMBAI

Vb = 44m/s

k1 = 1.07 (Bridges come under important buildings)

k2 = 1.00 @ 10 m with well scattered obstruction (terrain category 2)

k3 = 1.00 (since slope >3 `circ`

k4 = 1.15 (considered as industrial structure)

Vz = 44 x 1.07 x 1 x 1 x 1.15

Vz = 54.142 m/s

pz = 0.6 `(Vz)^2` = 1.752 kN/ `m^2`

kd = 0.9 since rectangular section

ka = 1.0 since tributary area less than 10 m2

kc = 0.9

pd = pz x kd x ka x kc = 1.752 x 0.9 x 0.9 x1 = 1.419kN/`m^2`

per running meter = pd x b of pier = 1.419 x 1.5 = 2.1285kNm