Composite Sleeper Index Calculator

✖Strength Figure is a number generally given for the strength o both green and dry timber used for sleepers.ⓘ Strength Figure [S]			+10% -10%
✖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.ⓘ Hardness Figure [H]			+10% -10%

✖Composite Sleeper Index refers to composite sleeper index, which evolved from a combination of the properties of strength and hardness.ⓘ Composite Sleeper Index [CSI]

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Formula

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Composite Sleeper Index

Formula

`"CSI" = ("S"+(10*"H"))/20`

Example

`"783"=("1200"+(10*"1446"))/20`

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Composite Sleeper Index Solution

STEP 0: Pre-Calculation Summary

Formula Used

Composite Sleeper Index = (Strength Figure+(10*Hardness Figure))/20
CSI = (S+(10*H))/20
This formula uses 3 Variables

Variables Used

Composite Sleeper Index - Composite Sleeper Index refers to composite sleeper index, which evolved from a combination of the properties of strength and hardness.
Strength Figure - Strength Figure is a number generally given for the strength o both green and dry timber used for sleepers.
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.

STEP 1: Convert Input(s) to Base Unit

Strength Figure: 1200 --> No Conversion Required
Hardness Figure: 1446 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

CSI = (S+(10*H))/20 --> (1200+(10*1446))/20

Evaluating ... ...

CSI = 783

STEP 3: Convert Result to Output's Unit

783 --> No Conversion Required

FINAL ANSWER

783 <-- Composite Sleeper Index

(Calculation completed in 00.004 seconds)

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Credits

Created by Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

Chandana P Dev has created this Calculator and 500+ more calculators!

Verified by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

Mithila Muthamma PA has verified this Calculator and 700+ more calculators!

< 3 Sleepers Calculators

Hardness of Material given CSI

Go Hardness Figure = ((20*Composite Sleeper Index)-Strength Figure)/10

Composite Sleeper Index

Go Composite Sleeper Index = (Strength Figure+(10*Hardness Figure))/20

General Strength of Material given CSI

Go Strength Figure = (Composite Sleeper Index*20)-10*Hardness Figure

Composite Sleeper Index Formula

Composite Sleeper Index = (Strength Figure+(10*Hardness Figure))/20
CSI = (S+(10*H))/20

What are the Advantages of Wooden Sleepers?

(a) Cheap and easy to manufacture.
(b) Absorbs shocks and bears a good capacity to dampen vibrations; therefore,
retains the packing well.
(c) Easy handling without damage
(d) Suitable for track-circuited sections
(e) Suitable for areas with yielding formations
(q Alignment can be easily corrected
(g) More suitable for modern methods of maintenance
(h) Can be used with or without stone ballast
(i) Can be used on bridges and ashpits also
(j) Can be used for gauntleted track

What are the Disadvantages of Wooden Sleepers?

(a) Lesser life due to wear, decay, and attack by vermin
(b) Liable to mechanical wear due to beater packing
(c) Difficult to maintain the gauge
(d) Susceptible to fire hazards
(e) Negligible scrap value

How to Calculate Composite Sleeper Index?

Composite Sleeper Index calculator uses Composite Sleeper Index = (Strength Figure+(10*Hardness Figure))/20 to calculate the Composite Sleeper Index, The Composite Sleeper Index, which evolved from a combination of the properties of strength and hardness, is an index used to determine the suitability of a particular timber for use as a sleeper from the point of view of mechanical strength. Composite Sleeper Index is denoted by CSI symbol.

How to calculate Composite Sleeper Index using this online calculator? To use this online calculator for Composite Sleeper Index, enter Strength Figure (S) & Hardness Figure (H) and hit the calculate button. Here is how the Composite Sleeper Index calculation can be explained with given input values -> 783 = (1200+(10*1446))/20.

FAQ

What is Composite Sleeper Index?

The Composite Sleeper Index, which evolved from a combination of the properties of strength and hardness, is an index used to determine the suitability of a particular timber for use as a sleeper from the point of view of mechanical strength and is represented as CSI = (S+(10*H))/20 or Composite Sleeper Index = (Strength Figure+(10*Hardness Figure))/20. Strength Figure is a number generally given for the strength o both green and dry timber used for sleepers & 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.

How to calculate Composite Sleeper Index?

The Composite Sleeper Index, which evolved from a combination of the properties of strength and hardness, is an index used to determine the suitability of a particular timber for use as a sleeper from the point of view of mechanical strength is calculated using Composite Sleeper Index = (Strength Figure+(10*Hardness Figure))/20. To calculate Composite Sleeper Index, you need Strength Figure (S) & Hardness Figure (H). With our tool, you need to enter the respective value for Strength Figure & Hardness Figure 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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