version 0.0.3
November 22, 2017

Specified Wind Load Figure I-7

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Specified Wind Load Figure I-7

version 0.0.3
November 22, 2017

Climatic Data

Location
Province:
Reference Velocity Pressure
q:

Factors

Importance factor
Iw:
Terrain:
Reference height in meters above grade
height, h:
m

Roof Pitch:
/12
Internal pressure Category, Cpi:
wind load figure
Thinking...

Factors

Location: 100 Mile House, British Columbia
q50: 0.39kPa
Importance Factor, ULS: Iw = 1.0 / SLS: Iw = 0.75
Roof slope = 0 degrees
Ce = (h/10)0.2 = 0.9

External Wind Pressure

p = Iw*q*Ce*Cg*Cp
Load Case A: Winds generally perpendicular to ridge
Load Case B: Winds generally parallel to ridge
Side
1
1E
2
2E
3
3E
4
4E
5
5E
6
6E
Load Case A
CpCg
0.75
1.15
-1.3
-2
-0.7
-1
-0.55
-0.8
n/a
n/a
n/a
n/a
ULS
p
(kPa)
0.26
0.4
-0.46
-0.7
-0.25
-0.35
-0.19
-0.28
n/a
n/a
n/a
n/a
SLS
p
(kPa)
0.2
0.3
-0.34
-0.53
-0.18
-0.26
-0.14
-0.21
n/a
n/a
n/a
n/a
Load Case B
CpCg
-0.85
-0.9
-1.3
-2.0
-0.7
-1.0
-0.85
-0.9
0.75
1.15
-0.55
-0.8
ULS
p
(kPa)
-0.3
-0.32
-0.46
-0.7
-0.25
-0.35
-0.3
-0.32
0.26
0.4
-0.19
-0.28
SLS
p
(kPa)
-0.22
-0.24
-0.34
-0.53
-0.18
-0.26
-0.22
-0.24
0.2
0.3
-0.14
-0.21

Internal Wind Pressure

Cgi = 2
Cpi = -0.15 to 0
pi = Iw*q*Ce*Cgi*Cpi
ULS: pi = -0.11kPa to 0kPa
SLS: pi = -0.08kPa to 0kPa

By using Jabacus or information derived from this Service, you have agreed to the Terms of Service.

This information must be read or used in conjunction with Part 4 of the NBCC 2005. In the event of discrepancies, Part 4 of the NBCC 2005 shall govern.

By using Jabacus or information derived from this Service, you have agreed to the Terms of Service.

This information must be read or used in conjunction with Part 4 of the NBCC 2005. In the event of discrepancies, Part 4 of the NBCC 2005 shall govern.


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