Wind Load Calculations

LOAD CALCULATIONS : : : :

Job No. Project Clint Description

Building Type

=

Length (o/o) Width (o/o) Width module Bay spacing Clear eave height Max. eave height Roof slope (θ)

= = = = = = =

22.50 m 12.50 m

Wt. of sheet & purline Dead Load (DL)

= =

15.00 Kg/m² 0.75 KN/m

Collateral Load on Rafter

= =

0.00 Kg/m² 0.00 KN/m

Live load/unit area, roof Live Load (LL)

= =

75.00 Kg/m² 3.75 KN/m

Basic wind speed (Vb) Design wind speed (Vz) where,

= 47 m/s = Vbxk1xk2xk3

5.00 5.90 7.40 13.50

Rev. No. Date Designed by Checked by

LOADS APPLIED ON THE MAIN FRAME-1

: : : :

R0 09/02/2016 SANDEEP

m m m ˚ DEAD LOAD (DL)

COLLATERAL LOAD Other Collateral Load

= =

0.00 Kg/m² 0.00 KN/m

LIVE LOAD (LL)

WIND LOAD (WL)

k1 = probability factor (risk coefficient) = 1.07 k2 = terrain, height and structure size factor = 1.03 k3 = topography factor = 1 Vz = 51.7987 m/s Design wind pressure (pz)

= pz =

Terrain Category 1

Class B

0.6xVz² 1.610 KN/m² PRESURE COEFFICIENTS:~

Encloser condition of the building = Enclosed Internal pressure coeff.(Cpi) = 0.20 h/w = 0.59 = 1/2
Table 4 Coeff. For Wall Left Right 0.70 -0.25 -0.50 -0.50

Table 5 Coeff. For Roof Left Right -0.9350 -0.40 -0.80 -0.80

WIND LOAD DIAGRAMS:~ Wind Across the Ridge (With -Ve Cpi) -0.74 -5.92 KN/m -0.20

KN/m 7.24 0.90

Wind Across the Ridge (With +Ve Cpi) -1.14 -9.136 KN/m -0.60

-1.61KN/m

KN/m -0.40 -0.05

KN/m 4.02 0.50

Wind Parallel to Ridge(With +Ve Cpi) -1.00 -8.05 KN/m -1.00

KN/m -3.62 -0.45

-8.05 KN/m

KN/m -5.63 -0.70

KN/m -5.63 -0.70

Wind Parallel to Ridge(With -Ve Cpi) -0.60 -4.83 KN/m -0.60

KN/m -2.41 -0.30

KN/m -4.83

-4.83 KN/m

KN/m 0.00 -0.30 Note: 1) Values within the circles are the UDL

2) -Ve value means, load applied away from structure.