Cutting Length of Main Bar Formula

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Cutting Length of Main Bar is the actual length of the bar which will be shaped up for laying at the required position. Check FAQs
Lmain bar=Lclear(short side)+(2Wbeam)-(2Cslab)+(0.42deff)-(2d)
Lmain bar - Cutting Length of Main Bar?Lclear(short side) - Clear Span of Shorter Side?Wbeam - Beam Width?Cslab - Concrete Cover for Slabs?deff - Effective Depth of Slab?d - Diameter of Reinforcement Bar?

Cutting Length of Main Bar Example

With values
With units
Only example

Here is how the Cutting Length of Main Bar equation looks like with Values.

Here is how the Cutting Length of Main Bar equation looks like with Units.

Here is how the Cutting Length of Main Bar equation looks like.

2951.8Edit=2500Edit+(2240Edit)-(225Edit)+(0.4290Edit)-(28Edit)
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Cutting Length of Main Bar Solution

Follow our step by step solution on how to calculate Cutting Length of Main Bar?

FIRST Step Consider the formula
Lmain bar=Lclear(short side)+(2Wbeam)-(2Cslab)+(0.42deff)-(2d)
Next Step Substitute values of Variables
Lmain bar=2500mm+(2240mm)-(225mm)+(0.4290mm)-(28mm)
Next Step Convert Units
Lmain bar=2.5m+(20.24m)-(20.025m)+(0.420.09m)-(20.008m)
Next Step Prepare to Evaluate
Lmain bar=2.5+(20.24)-(20.025)+(0.420.09)-(20.008)
Next Step Evaluate
Lmain bar=2.9518m
LAST Step Convert to Output's Unit
Lmain bar=2951.8mm

Cutting Length of Main Bar Formula Elements

Variables
Cutting Length of Main Bar
Cutting Length of Main Bar is the actual length of the bar which will be shaped up for laying at the required position.
Symbol: Lmain bar
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Clear Span of Shorter Side
Clear Span of Shorter Side is the clear distance between two support (column, wall etc.).
Symbol: Lclear(short side)
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Beam Width
Beam width is the thickness of beam.
Symbol: Wbeam
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Concrete Cover for Slabs
Concrete Cover for Slabs is the least distance between the surface of embedded reinforcement and the outer surface of the concrete.
Symbol: Cslab
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Effective Depth of Slab
Effective Depth of Slab is calculated by the formula =Slab thickness – 2 x Clear Cover – Bar Diameter.
Symbol: deff
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Diameter of Reinforcement Bar
Diameter of Reinforcement Bar is the thickness of the steel bar to be used.
Symbol: d
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other formulas in Bar Bending Schedule for RCC slab category

​Go Total Number of Main Bars
Nomain bars=(Lclear(longer side)Sbar)+1
​Go Total Number of Distribution Bars
Nodistribution bar=(Lclear(short side)Sbar)+1
​Go Cutting Length of Distribution Bar
Ldist bars=Lclear(longer side)-(2Cslab)

How to Evaluate Cutting Length of Main Bar?

Cutting Length of Main Bar evaluator uses Cutting Length of Main Bar = Clear Span of Shorter Side+(2*Beam Width)-(2*Concrete Cover for Slabs)+(0.42*Effective Depth of Slab)-(2*Diameter of Reinforcement Bar) to evaluate the Cutting Length of Main Bar, The Cutting Length of Main Bar formula is defined as the actual length of the bar which will be shaped up for laying at the required position. Cutting Length of Main Bar is denoted by Lmain bar symbol.

How to evaluate Cutting Length of Main Bar using this online evaluator? To use this online evaluator for Cutting Length of Main Bar, enter Clear Span of Shorter Side (Lclear(short side)), Beam Width (Wbeam), Concrete Cover for Slabs (Cslab), Effective Depth of Slab (deff) & Diameter of Reinforcement Bar (d) and hit the calculate button.

FAQs on Cutting Length of Main Bar

What is the formula to find Cutting Length of Main Bar?
The formula of Cutting Length of Main Bar is expressed as Cutting Length of Main Bar = Clear Span of Shorter Side+(2*Beam Width)-(2*Concrete Cover for Slabs)+(0.42*Effective Depth of Slab)-(2*Diameter of Reinforcement Bar). Here is an example- 2.9E+6 = 2.5+(2*0.24)-(2*0.025)+(0.42*0.09)-(2*0.008).
How to calculate Cutting Length of Main Bar?
With Clear Span of Shorter Side (Lclear(short side)), Beam Width (Wbeam), Concrete Cover for Slabs (Cslab), Effective Depth of Slab (deff) & Diameter of Reinforcement Bar (d) we can find Cutting Length of Main Bar using the formula - Cutting Length of Main Bar = Clear Span of Shorter Side+(2*Beam Width)-(2*Concrete Cover for Slabs)+(0.42*Effective Depth of Slab)-(2*Diameter of Reinforcement Bar).
Can the Cutting Length of Main Bar be negative?
No, the Cutting Length of Main Bar, measured in Length cannot be negative.
Which unit is used to measure Cutting Length of Main Bar?
Cutting Length of Main Bar is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Cutting Length of Main Bar can be measured.
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