How to calculate BBS of Rectangular Footing with few Easy Step

In this post you can learn simple rectangular footing BBS (Bar Bending Schedule) Just Follow 4 Step one by one.

How to make BBS on Rectangular Footing.

Calculate BBS of Footing Just 4 Step

Given Data From Footing Drawing

Footing Size  = 1 m x 1.2 m
Spacing of Bar  = 100 mm C/c
Footing Cover  = 50 mm
Bar Use in Footing = 12 mm

 

Footing cross section

Step- 1
Cutting Length of Y-Axis

Cutting Length = Length (Y-Axis) – (2x Cover) + (2x Height)  – 4 Cover (For  “L” Upside)  – Bend

Cutting Length = {1200 – (2 x 50) }+ (2 x 300) – (4 x 50) – (2 x 2 x 12)

Cutting Length = 1100 + 600 – 200 – 48

Cutting Length = 1100 + 600 – 248

Cutting Length = 1700 – 248

Cutting Length = 1452

Cutting Length = 1.45 m

 

Step- 2
Cutting Length of X-Axis

Cutting Length = Length (X-Axis) – (2x Cover) + (2x Height)  – 4 Cover (For  “L” Upside)  – Bend

Cutting Length = {1000-(2 x 50)} + (2 x 300) – (4 x 50) – (2 x 2 x 12)

Cutting Length = 900 + 600 – 200 – 48

Cutting Length = 900 + 600 – 248

Cutting Length = 1500 – 248

Cutting Length= 1252

Cutting Length= 1.25 m

 

Step- 3
Numbers of bar Along With X Axis ( Length – 1.45 m)

 Number of Bar X-Axis = [ Length – (2x Cover) ] /Spacing + 1

Number of Bar X-Axis = [ 1000 – (2x 50) ] /100 + 1

Number of Bar X-Axis = ( 900 / 100 ) + 1

Number of Bar X-Axis = 10 Nos

We Need 10 Number of bar for length of 1.45 m.

 

Step- 4
Numbers of bar Along With Y Axis ( Length – 1.25 m)

Number of Bar X-Axis = [ Length – (2x Cover) ] /Spacing + 1

Number of Bar X-Axis = [ 1200 – (2x 50) ] /100 + 1

Number of Bar X-Axis = ( 1100 / 100 ) + 1

Number of Bar X-Axis = 12 Nos

We Need 12 Number of bar for length of 1.25 m.

 

Download Excel Sheet For Footing BBS Calculation.

BBS in Excel

 For better know about BBS Please Watch this Video.

You Can Also learn about stirrups Cutting Length. 

 

 

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11 Responses

  1. ramesh says:

    sir what is 2x2x12 i am not able to ubderstand

  2. ramesh says:

    sir what is 2x2x12 i am not able to understand please explain

  3. Balbir Singh says:

    Sir aap rigid road construction ke baare mai bhi bataao

  4. Tutorial Tips Civil says:

    2 no. of bend and 90 degree bend for 2 D and d is dia of bar is 12 mm

  5. Tutorial Tips Civil says:

    ache se samjhna hai to please watch my youtube channel waha aapke saaare doubt clear ho jayenge.

  6. Henry Acquah says:

    I’m really getting the facts

  7. Civil Tutorials says:

    Sir mujhe isse bahut help mili hai thank you so much and apka YouTube se bhi bahut knowledge mila h

  8. RAHUL Kushwaha says:

    Thanks sir for sharing

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