Hardness of Material given CSI Formula

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Hardness Figure is a number which is provided for assuming the hardness of both dry and green timber with 12% moisture content used as sleepers. Check FAQs
H=(20CSI)-S10
H - Hardness Figure?CSI - Composite Sleeper Index?S - Strength Figure?

Hardness of Material given CSI Example

With values
With units
Only example

Here is how the Hardness of Material given CSI equation looks like with Values.

Here is how the Hardness of Material given CSI equation looks like with Units.

Here is how the Hardness of Material given CSI equation looks like.

1446Edit=(20783Edit)-1200Edit10
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Hardness of Material given CSI Solution

Follow our step by step solution on how to calculate Hardness of Material given CSI?

FIRST Step Consider the formula
H=(20CSI)-S10
Next Step Substitute values of Variables
H=(20783)-120010
Next Step Prepare to Evaluate
H=(20783)-120010
LAST Step Evaluate
H=1446

Hardness of Material given CSI Formula Elements

Variables
Hardness Figure
Hardness Figure is a number which is provided for assuming the hardness of both dry and green timber with 12% moisture content used as sleepers.
Symbol: H
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Composite Sleeper Index
Composite Sleeper Index refers to composite sleeper index, which evolved from a combination of the properties of strength and hardness.
Symbol: CSI
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Strength Figure
Strength Figure is a number generally given for the strength o both green and dry timber used for sleepers.
Symbol: S
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other formulas in Sleepers category

​Go Composite Sleeper Index
CSI=S+(10H)20
​Go General Strength of Material given CSI
S=(CSI20)-10H

How to Evaluate Hardness of Material given CSI?

Hardness of Material given CSI evaluator uses Hardness Figure = ((20*Composite Sleeper Index)-Strength Figure)/10 to evaluate the Hardness Figure, Hardness of Material given CSI is figure for general hardness for both green and dry timber at 12 per cent moisture content. Hardness Figure is denoted by H symbol.

How to evaluate Hardness of Material given CSI using this online evaluator? To use this online evaluator for Hardness of Material given CSI, enter Composite Sleeper Index (CSI) & Strength Figure (S) and hit the calculate button.

FAQs on Hardness of Material given CSI

What is the formula to find Hardness of Material given CSI?
The formula of Hardness of Material given CSI is expressed as Hardness Figure = ((20*Composite Sleeper Index)-Strength Figure)/10. Here is an example- 1446 = ((20*783)-1200)/10.
How to calculate Hardness of Material given CSI?
With Composite Sleeper Index (CSI) & Strength Figure (S) we can find Hardness of Material given CSI using the formula - Hardness Figure = ((20*Composite Sleeper Index)-Strength Figure)/10.
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