Wind Pressure as given by ASCE 7 Solution

STEP 0: Pre-Calculation Summary
Formula Used
Wind Pressure = Velocity Pressure*Gust Response Factor*External Pressure Coefficient-Velocity Pressure at Point*Internal Pressure Coefficient
p = q*G*Cep-qi*GCpt
This formula uses 6 Variables
Variables Used
Wind Pressure - (Measured in Pascal) - Wind Pressure is the pressure due to the wind.
Velocity Pressure - (Measured in Pascal) - Velocity Pressure is the pressure required to accelerate air from zero velocity to some velocity and is proportional to the kinetic energy of the air stream.
Gust Response Factor - The Gust Response Factor is to account for fluctuations in wind speed.
External Pressure Coefficient - The External Pressure Coefficient is the coefficient for the external pressure.
Velocity Pressure at Point - (Measured in Pascal) - Velocity Pressure at Point is the pressure due to the velocity of wind at some point.
Internal Pressure Coefficient - Internal Pressure Coefficient refers to the pressure inside a building, perhaps due to flow past or through openings in the structure.
STEP 1: Convert Input(s) to Base Unit
Velocity Pressure: 20 Poundal per Square Foot --> 29.7632788711526 Pascal (Check conversion ​here)
Gust Response Factor: 1.2 --> No Conversion Required
External Pressure Coefficient: 0.95 --> No Conversion Required
Velocity Pressure at Point: 15 Poundal per Square Foot --> 22.3224591533644 Pascal (Check conversion ​here)
Internal Pressure Coefficient: 0.91 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
p = q*G*Cep-qi*GCpt --> 29.7632788711526*1.2*0.95-22.3224591533644*0.91
Evaluating ... ...
p = 13.6167000835524
STEP 3: Convert Result to Output's Unit
13.6167000835524 Pascal -->9.15000000000003 Poundal per Square Foot (Check conversion ​here)
FINAL ANSWER
9.15000000000003 9.15 Poundal per Square Foot <-- Wind Pressure
(Calculation completed in 00.004 seconds)

Credits

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Created by Mridul Sharma
Indian Institute of Information Technology (IIIT), Bhopal
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Verified by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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Wind Loads Calculators

Gust Response Factor using Wind Pressure
​ Go Gust Response Factor = Wind Pressure/(Velocity Pressure*Pressure Coefficient)
Pressure Coefficient using Wind Pressure
​ Go Pressure Coefficient = Wind Pressure/(Velocity Pressure*Gust Response Factor)
Velocity Pressure using Wind Pressure
​ Go Velocity Pressure = Wind Pressure/(Gust Response Factor*Pressure Coefficient)
Equivalent Static Design Wind Pressure
​ Go Wind Pressure = Velocity Pressure*Gust Response Factor*Pressure Coefficient

Wind Pressure as given by ASCE 7 Formula

Wind Pressure = Velocity Pressure*Gust Response Factor*External Pressure Coefficient-Velocity Pressure at Point*Internal Pressure Coefficient
p = q*G*Cep-qi*GCpt

What causes Wind Pressure?

Gases move from high-pressure areas to low-pressure areas. And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. That rush of air is the wind we experience.

How to Calculate Wind Pressure as given by ASCE 7?

Wind Pressure as given by ASCE 7 calculator uses Wind Pressure = Velocity Pressure*Gust Response Factor*External Pressure Coefficient-Velocity Pressure at Point*Internal Pressure Coefficient to calculate the Wind Pressure, The Wind Pressure as given by ASCE 7 is defined as the design wind pressures for the main wind force-resisting system of buildings of all heights. Wind Pressure is denoted by p symbol.

How to calculate Wind Pressure as given by ASCE 7 using this online calculator? To use this online calculator for Wind Pressure as given by ASCE 7, enter Velocity Pressure (q), Gust Response Factor (G), External Pressure Coefficient (Cep), Velocity Pressure at Point (qi) & Internal Pressure Coefficient (GCpt) and hit the calculate button. Here is how the Wind Pressure as given by ASCE 7 calculation can be explained with given input values -> 6.249311 = 29.7632788711526*1.2*0.95-22.3224591533644*0.91.

FAQ

What is Wind Pressure as given by ASCE 7?
The Wind Pressure as given by ASCE 7 is defined as the design wind pressures for the main wind force-resisting system of buildings of all heights and is represented as p = q*G*Cep-qi*GCpt or Wind Pressure = Velocity Pressure*Gust Response Factor*External Pressure Coefficient-Velocity Pressure at Point*Internal Pressure Coefficient. Velocity Pressure is the pressure required to accelerate air from zero velocity to some velocity and is proportional to the kinetic energy of the air stream, The Gust Response Factor is to account for fluctuations in wind speed, The External Pressure Coefficient is the coefficient for the external pressure, Velocity Pressure at Point is the pressure due to the velocity of wind at some point & Internal Pressure Coefficient refers to the pressure inside a building, perhaps due to flow past or through openings in the structure.
How to calculate Wind Pressure as given by ASCE 7?
The Wind Pressure as given by ASCE 7 is defined as the design wind pressures for the main wind force-resisting system of buildings of all heights is calculated using Wind Pressure = Velocity Pressure*Gust Response Factor*External Pressure Coefficient-Velocity Pressure at Point*Internal Pressure Coefficient. To calculate Wind Pressure as given by ASCE 7, you need Velocity Pressure (q), Gust Response Factor (G), External Pressure Coefficient (Cep), Velocity Pressure at Point (qi) & Internal Pressure Coefficient (GCpt). With our tool, you need to enter the respective value for Velocity Pressure, Gust Response Factor, External Pressure Coefficient, Velocity Pressure at Point & Internal Pressure Coefficient and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Wind Pressure?
In this formula, Wind Pressure uses Velocity Pressure, Gust Response Factor, External Pressure Coefficient, Velocity Pressure at Point & Internal Pressure Coefficient. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Wind Pressure = Velocity Pressure*Gust Response Factor*Pressure Coefficient
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