Roof Snow Load Solution

STEP 0: Pre-Calculation Summary
Formula Used
Roof Snow Load = 0.7*Wind Exposure Factor*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load
Pf = 0.7*Ce*Ct*I*Pg
This formula uses 5 Variables
Variables Used
Roof Snow Load - (Measured in Pascal) - Roof Snow Load is the downward force on a building's roof by the weight of accumulated snow and ice.
Wind Exposure Factor - Wind Exposure Factor is the factor of effect on exposure to wind.
Thermal Effects Factor - The thermal Effects Factor is the measure of the effect of exposure to heat.
Importance Factor for End Use - Importance Factor for End Use is the factor whose value lies in range 0.8 to 1.2.
Ground Snow Load - (Measured in Pascal) - Ground Snow Load is used in the determination of the design roof snow load of a site.
STEP 1: Convert Input(s) to Base Unit
Wind Exposure Factor: 0.8 --> No Conversion Required
Thermal Effects Factor: 1.21 --> No Conversion Required
Importance Factor for End Use: 0.8 --> No Conversion Required
Ground Snow Load: 18 Pounds per Square Foot --> 861.84466163804 Pascal (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Pf = 0.7*Ce*Ct*I*Pg --> 0.7*0.8*1.21*0.8*861.84466163804
Evaluating ... ...
Pf = 467.188754180749
STEP 3: Convert Result to Output's Unit
467.188754180749 Pascal -->9.75744 Pounds per Square Foot (Check conversion ​here)
FINAL ANSWER
9.75744 Pounds per Square Foot <-- Roof Snow Load
(Calculation completed in 00.020 seconds)

Credits

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Created by Mridul Sharma
Indian Institute of Information Technology (IIIT), Bhopal
Mridul Sharma has created this Calculator and 200+ more calculators!
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Verified by Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
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Snow Loads Calculators

Importance Factor for End Use using Roof Snow Load
​ LaTeX ​ Go Importance Factor for End Use = Roof Snow Load/(0.7*Wind Exposure Factor*Thermal Effects Factor*Ground Snow Load)
Thermal Effects factor given Roof Snow Load
​ LaTeX ​ Go Thermal Effects Factor = Roof Snow Load/(0.7*Wind Exposure Factor*Importance Factor for End Use*Ground Snow Load)
Wind Exposure Factor given Roof Snow Load
​ LaTeX ​ Go Wind Exposure Factor = Roof Snow Load/(0.7*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load)
Roof Snow Load
​ LaTeX ​ Go Roof Snow Load = 0.7*Wind Exposure Factor*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load

Roof Snow Load Formula

​LaTeX ​Go
Roof Snow Load = 0.7*Wind Exposure Factor*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load
Pf = 0.7*Ce*Ct*I*Pg

What is Snow Load?

Snow Load is the downward force on a building's roof by the weight of accumulated snow and ice. The roof or the entire structure can fail if the snow load exceeds the weight the building was designed to shoulder. Or if the building was poorly designed or constructed.

How to Calculate Roof Snow Load?

Roof Snow Load calculator uses Roof Snow Load = 0.7*Wind Exposure Factor*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load to calculate the Roof Snow Load, The Roof Snow Load is defined as the downward force on a building's roof by the weight of accumulated snow and ice. Roof Snow Load is denoted by Pf symbol.

How to calculate Roof Snow Load using this online calculator? To use this online calculator for Roof Snow Load, enter Wind Exposure Factor (Ce), Thermal Effects Factor (Ct), Importance Factor for End Use (I) & Ground Snow Load (Pg) and hit the calculate button. Here is how the Roof Snow Load calculation can be explained with given input values -> 0.202104 = 0.7*0.8*1.21*0.8*861.84466163804.

FAQ

What is Roof Snow Load?
The Roof Snow Load is defined as the downward force on a building's roof by the weight of accumulated snow and ice and is represented as Pf = 0.7*Ce*Ct*I*Pg or Roof Snow Load = 0.7*Wind Exposure Factor*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load. Wind Exposure Factor is the factor of effect on exposure to wind, The thermal Effects Factor is the measure of the effect of exposure to heat, Importance Factor for End Use is the factor whose value lies in range 0.8 to 1.2 & Ground Snow Load is used in the determination of the design roof snow load of a site.
How to calculate Roof Snow Load?
The Roof Snow Load is defined as the downward force on a building's roof by the weight of accumulated snow and ice is calculated using Roof Snow Load = 0.7*Wind Exposure Factor*Thermal Effects Factor*Importance Factor for End Use*Ground Snow Load. To calculate Roof Snow Load, you need Wind Exposure Factor (Ce), Thermal Effects Factor (Ct), Importance Factor for End Use (I) & Ground Snow Load (Pg). With our tool, you need to enter the respective value for Wind Exposure Factor, Thermal Effects Factor, Importance Factor for End Use & Ground Snow Load 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 Roof Snow Load?
In this formula, Roof Snow Load uses Wind Exposure Factor, Thermal Effects Factor, Importance Factor for End Use & Ground Snow Load. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Roof Snow Load = Importance Factor for End Use*Roof Type*Ground Snow Load
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