importance factor when velocity pressure is known Calculator

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Engineering	Civil ↺
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Building-And-Structures	Roof Live Loads ↺
Roof-Live-Loads	Wind Loads ↺

✖velocity pressure is the pressure duo to moving wind.ⓘ velocity pressure [q]			+10% -10%
✖velocity exposure coefficient is evaluated at some height z.ⓘ velocity exposure coefficient [K_z]			+10% -10%
✖topographic factor are also called indirect factors as they influence the growth and development of organisms by bringing variations in climatic factors.ⓘ topographic factor [K_zt]			+10% -10%
✖wind directionality factor reflects the fact that the climatologically and aerodynamically or dynamically most unfavorable wind directions typically do not coincide.ⓘ wind directionality factor [K_d]			+10% -10%
✖basic wind speed is the wind speed corresponding to a 3-s gust speed at 33 ft above the ground in exposure C.ⓘ basic wind speed [V]			+10% -10%

✖importance factor for end use is the factor whose value lies in range 0.8 to 1.2.ⓘ importance factor when velocity pressure is known [I]

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importance factor when velocity pressure is known

Mridul Sharma

Indian Institute of Information Technology (IIIT), Bhopal

Mridul Sharma has created this Calculator and 100+ more calculators!

Rithik Agrawal

National Institute of Technology Karnataka (NITK), Surathkal

Rithik Agrawal has verified this Calculator and 100+ more calculators!

< 11 Other formulas that you can solve using the same Inputs

Basic Wind when Velocity Pressure is Known

basic wind speed=sqrt(velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*importance factor for end use)) GO

velocity exposure coefficient when velocity pressure is known

importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2) GO

wind directionality factor when velocity pressure is known

wind directionality factor=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*importance factor for end use*basic wind speed^2) GO

topographic factor when velocity pressure is known

topographic factor=velocity pressure/(0.00256*velocity exposure coefficient*importance factor for end use*wind directionality factor*basic wind speed^2) GO

Velocity Pressure

velocity pressure=0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*(basic wind speed^2)*importance factor for end use GO

velocity pressure at given point as given by ASCE 7

velocity pressure at point i=((velocity pressure*gust response factor*external pressure coefficient)-wind pressure)/internal pressure coefficient GO

wind pressure as given by ASCE 7

wind pressure=velocity pressure*gust response factor*external pressure coefficient-velocity pressure at point i*internal pressure coefficient GO

wind power

Wind Power=0.5*Air Density *Area*basic wind speed*basic wind speed*basic wind speed GO

gust response factor when wind pressure is known

gust response factor=wind pressure/(velocity pressure*pressure coefficient) GO

pressure coefficient when wind pressure is known

pressure coefficient=wind pressure/(velocity pressure*gust response factor) GO

equivalent static design wind pressure

wind pressure=velocity pressure*gust response factor*pressure coefficient GO

< 3 Other formulas that calculate the same Output

velocity exposure coefficient when velocity pressure is known

importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2) GO

Importance Factor for End Use When Roof Snow Load is Known

importance factor for end use=roof snow load/(0.7*wind exposure factor*thermal effects factor*ground snow load for 50-year recurrence period) GO

importance factor when roof type is known

importance factor for end use=roof snow load/(roof type*ground snow load for 50-year recurrence period) GO

importance factor when velocity pressure is known Formula

importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2)
I=q/(0.00256*Kz*Kzt*Kd*V^2)

More formulas

equivalent static design wind pressure GO

Velocity Pressure When Wind Pressure is Known GO

gust response factor when wind pressure is known GO

pressure coefficient when wind pressure is known GO

Velocity Pressure GO

Basic Wind when Velocity Pressure is Known GO

wind directionality factor when velocity pressure is known GO

topographic factor when velocity pressure is known GO

velocity exposure coefficient when velocity pressure is known GO

wind pressure as given by ASCE 7 GO

velocity pressure as given by ASCE 7 GO

velocity pressure at given point as given by ASCE 7 GO

gust effect factor as given by ASCE 7 GO

external pressure coefficient as given by ASCE 7 GO

internal pressure coefficient as given by ASCE 7 GO

What is Importance Factor?

Importance Factor is determined from Design Loads for Buildings and Other Structures (ASCE 7) based on the Occupancy Category. It is utilized in calculating flood, wind, snow, seismic and ice design loads. The Importance Factor is a multiplier that increases or decreases the base design loads.

How to Calculate importance factor when velocity pressure is known?

importance factor when velocity pressure is known calculator uses importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2) to calculate the importance factor for end use, The importance factor when velocity pressure is known formula calculates the importance factor when we have a prior info of velocity pressure ,basic wind, topographic factor etc. importance factor for end use and is denoted by I symbol.

How to calculate importance factor when velocity pressure is known using this online calculator? To use this online calculator for importance factor when velocity pressure is known, enter velocity pressure (q), velocity exposure coefficient (K_z), topographic factor (K_zt), wind directionality factor (K_d) and basic wind speed (V) and hit the calculate button. Here is how the importance factor when velocity pressure is known calculation can be explained with given input values -> 581.314 = 1.48816394355763/(0.00256*1*1*1*1^2).

FAQ

What is importance factor when velocity pressure is known?

The importance factor when velocity pressure is known formula calculates the importance factor when we have a prior info of velocity pressure ,basic wind, topographic factor etc and is represented as I=q/(0.00256*K_z*K_zt*K_d*V^2) or importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2). velocity pressure is the pressure duo to moving wind, velocity exposure coefficient is evaluated at some height z, topographic factor are also called indirect factors as they influence the growth and development of organisms by bringing variations in climatic factors, wind directionality factor reflects the fact that the climatologically and aerodynamically or dynamically most unfavorable wind directions typically do not coincide and basic wind speed is the wind speed corresponding to a 3-s gust speed at 33 ft above the ground in exposure C.

How to calculate importance factor when velocity pressure is known?

The importance factor when velocity pressure is known formula calculates the importance factor when we have a prior info of velocity pressure ,basic wind, topographic factor etc is calculated using importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2). To calculate importance factor when velocity pressure is known, you need velocity pressure (q), velocity exposure coefficient (K_z), topographic factor (K_zt), wind directionality factor (K_d) and basic wind speed (V). With our tool, you need to enter the respective value for velocity pressure, velocity exposure coefficient, topographic factor, wind directionality factor and basic wind speed 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 importance factor for end use?

In this formula, importance factor for end use uses velocity pressure, velocity exposure coefficient, topographic factor, wind directionality factor and basic wind speed. We can use 3 other way(s) to calculate the same, which is/are as follows -

importance factor for end use=roof snow load/(0.7*wind exposure factor*thermal effects factor*ground snow load for 50-year recurrence period)
importance factor for end use=roof snow load/(roof type*ground snow load for 50-year recurrence period)
importance factor for end use=velocity pressure/(0.00256*velocity exposure coefficient*topographic factor*wind directionality factor*basic wind speed^2)

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