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Velocity Pressure in Roof Live Loads Formulas
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. And is denoted by q. Velocity Pressure is usually measured using the Poundal per Square Foot for Pressure. Note that the value of Velocity Pressure is always positive.
Formulas to find Velocity Pressure in Roof Live Loads
f
x
Velocity Pressure using Wind Pressure
Go
f
x
Velocity Pressure
Go
f
x
Velocity Pressure as given by ASCE 7
Go
Roof Live Loads formulas that make use of Velocity Pressure
f
x
Equivalent Static Design Wind Pressure
Go
f
x
Gust Response Factor using Wind Pressure
Go
f
x
Pressure Coefficient using Wind Pressure
Go
f
x
Basic Wind given Velocity Pressure
Go
f
x
Importance Factor given Velocity Pressure
Go
f
x
Wind Directionality Factor given Velocity Pressure
Go
f
x
Topographic Factor given Velocity Pressure
Go
f
x
Importance Factor using Velocity Pressure
Go
f
x
Wind Pressure as given by ASCE 7
Go
f
x
Velocity Pressure at given Point as given by ASCE 7
Go
f
x
Gust Effect Factor as given by ASCE 7
Go
f
x
External Pressure Coefficient as given by ASCE 7
Go
f
x
Internal Pressure Coefficient as given by ASCE 7
Go
List of variables in Roof Live Loads formulas
f
x
Wind Pressure
Go
f
x
Gust Response Factor
Go
f
x
Pressure Coefficient
Go
f
x
Velocity Exposure Coefficient
Go
f
x
Topographic Factor
Go
f
x
Wind Directionality Factor
Go
f
x
Basic Wind Speed
Go
f
x
Importance Factor for End Use
Go
f
x
Velocity Pressure at Point
Go
f
x
Internal Pressure Coefficient
Go
f
x
External Pressure Coefficient
Go
FAQ
What is the Velocity Pressure?
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. Velocity Pressure is usually measured using the Poundal per Square Foot for Pressure. Note that the value of Velocity Pressure is always positive.
Can the Velocity Pressure be negative?
No, the Velocity Pressure, measured in Pressure cannot be negative.
What unit is used to measure Velocity Pressure?
Velocity Pressure is usually measured using the Poundal per Square Foot[pdl/ft²] for Pressure. Pascal[pdl/ft²], Kilopascal[pdl/ft²], Bar[pdl/ft²] are the few other units in which Velocity Pressure can be measured.
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