Elongation of Bolt under Action of Pre Load Solution

STEP 0: Pre-Calculation Summary
Formula Used
Elongation of Bolt = Pre Load in Bolt/Stiffness of Bolt
b = Pi/kb'
This formula uses 3 Variables
Variables Used
Elongation of Bolt - (Measured in Meter) - Elongation of Bolt is the difference between the measurement in readings taken before and after tightening a bolt.
Pre Load in Bolt - (Measured in Newton) - Pre Load in Bolt is the tension created in a bolt when it is tightened.
Stiffness of Bolt - (Measured in Newton per Meter) - The Stiffness of Boltt is the extent to which the bolt resists deformation in response to an applied force.
STEP 1: Convert Input(s) to Base Unit
Pre Load in Bolt: 16500 Newton --> 16500 Newton No Conversion Required
Stiffness of Bolt: 317000 Newton per Millimeter --> 317000000 Newton per Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
b = Pi/kb' --> 16500/317000000
Evaluating ... ...
b = 5.20504731861199E-05
STEP 3: Convert Result to Output's Unit
5.20504731861199E-05 Meter -->0.0520504731861199 Millimeter (Check conversion here)
FINAL ANSWER
0.0520504731861199 0.05205 Millimeter <-- Elongation of Bolt
(Calculation completed in 00.020 seconds)

Credits

Created by Parul Keshav
National Institute of Technology (NIT), Srinagar
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Verified by Kethavath Srinath
Osmania University (OU), Hyderabad
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8 Joint Analysis Calculators

Yield Strength of Bolt in Tension given Tensile Force on Bolt in Shear
Go Tensile Yield Strength of Bolt = (2*Tensile Force in Bolt*Factor of Safety of Bolted Joint)/(pi*Core Diameter of Bolt*Height of Nut)
Yield Strength of Bolt in Shear given Tensile Force on Bolt in Shear
Go Shear Yield Strength of Bolt = Tensile Force in Bolt*Factor of Safety of Bolted Joint/(pi*Core Diameter of Bolt*Height of Nut)
Yield Strength of Bolt in Tension given Tensile Force on Bolt in Tension
Go Tensile Yield Strength of Bolt = 4*Tensile Force in Bolt*Factor of Safety of Bolted Joint/(pi*Core Diameter of Bolt^2)
Factor of Safety given Tensile Force on Bolt in Tension
Go Factor of Safety of Bolted Joint = pi/4*Core Diameter of Bolt^2*Tensile Yield Strength of Bolt/Tensile Force in Bolt
Maximum Tensile Stress in Bolt
Go Maximum Tensile Stress in Bolt = Tensile Force in Bolt/(pi/4*Core Diameter of Bolt^2)
Primary Shear Force of Eccentrically Loaded Bolted Connection
Go Primary Shear Force on Bolt = Imaginary Force on Bolt/Number of Bolts in Bolted Joint
Amount of Compression in Parts Joined by Bolt
Go Amount of Compression of Bolted Joint = Pre Load in Bolt/Combined Stiffness of Bolt
Elongation of Bolt under Action of Pre Load
Go Elongation of Bolt = Pre Load in Bolt/Stiffness of Bolt

Elongation of Bolt under Action of Pre Load Formula

Elongation of Bolt = Pre Load in Bolt/Stiffness of Bolt
b = Pi/kb'

What is Bolt Elongation?

The difference between the measurement in readings taken before and after tightening a bolt is the bolt elongation. For example, before tightening the reading showed 120mm and after tightening showed 121.5mm, it means the bolt was stretched 1.5mm.

How to Calculate Elongation of Bolt under Action of Pre Load?

Elongation of Bolt under Action of Pre Load calculator uses Elongation of Bolt = Pre Load in Bolt/Stiffness of Bolt to calculate the Elongation of Bolt, Elongation of Bolt under action of Pre Load is the difference between the measurement in readings taken before and after tightening a bolt. Elongation of Bolt is denoted by b symbol.

How to calculate Elongation of Bolt under Action of Pre Load using this online calculator? To use this online calculator for Elongation of Bolt under Action of Pre Load, enter Pre Load in Bolt (Pi) & Stiffness of Bolt (kb') and hit the calculate button. Here is how the Elongation of Bolt under Action of Pre Load calculation can be explained with given input values -> 52.05047 = 16500/317000000.

FAQ

What is Elongation of Bolt under Action of Pre Load?
Elongation of Bolt under action of Pre Load is the difference between the measurement in readings taken before and after tightening a bolt and is represented as b = Pi/kb' or Elongation of Bolt = Pre Load in Bolt/Stiffness of Bolt. Pre Load in Bolt is the tension created in a bolt when it is tightened & The Stiffness of Boltt is the extent to which the bolt resists deformation in response to an applied force.
How to calculate Elongation of Bolt under Action of Pre Load?
Elongation of Bolt under action of Pre Load is the difference between the measurement in readings taken before and after tightening a bolt is calculated using Elongation of Bolt = Pre Load in Bolt/Stiffness of Bolt. To calculate Elongation of Bolt under Action of Pre Load, you need Pre Load in Bolt (Pi) & Stiffness of Bolt (kb'). With our tool, you need to enter the respective value for Pre Load in Bolt & Stiffness of Bolt and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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