Wind Load Calculation For Vessel 1c2k4x

Load calculation For Vessel Dead Load

(empty) (full of Lng)

lbs lbs

Live Load

(full of Lng)

lbs

each pier: Dead Load

Wind Load

Force F =

p x Af =

Live Load

lbs lbs

Vessel Dia = 8.5 ft

Height = 40 ft

qz x G x Cf x Af

p: design pressure qz: at height z above ground G = 0.85 ( Guest Factor for Exposure C) Cf = 0.7 (Force Coefficient) Af: projected area normal to wind qz = 0.00256 x Kz x Kzt x Kd x V*2 x I Kz: 1.0 (Velocity Pressure Exposure Coefficient for Exposure C given in Table 6-2)) Kzt = 1.0 (Topographical Factor) Kd = 1.0 (Directional Factor) V = 100 mph (Wind Speed) I = 1.15 (Importance Factor for Ocupance Category III) qz = 29.44 Kz

Height

Kz

qz (psf)

p (psf)

Af (per ft height)

F (per ft height)

Band Height (ft)

Shear (lbs)

0-15 20 25 30 35 40 45

0.85 0.9 0.94 0.98 1.01 1.04 1.065 1.09

25.02 26.50 27.67 28.85 29.73 30.62 31.35 32.09

14.89 15.77 16.47 17.17 17.69 18.22 18.66 19.09

8 8 8 8 8 8 8 0

119.11 126.12 131.73 137.33 141.54 145.74 149.24 0.00

15 5 5 5 5 5 5 10

1786.71 630.60 658.63 686.66 707.68 728.70 746.22 0.00

Load @ Base

5945.20

Input only Af, Band Height and Moment Arm

Moment Arm (ft)

7.5 17.5 22.5 27.5 32.5 37.5 42.5 47.5

` Moment (ft-lbs)

13400.35 11035.58 14819.21 18883.11 22999.56 27326.21 31714.17 0.00 140178.19