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What is the bar bending schedule?

What is the bar bending schedule?

Bar Bending Schedule (BBS) is basically the representation of bend shapes and cut length of bars as per structure drawings. BBS is prepared from construction drawings. For each member separate BBS is prepared because bars are bended in various shapes depending on the shape of member.

How do you fill out a bar bending schedule?

Bar Bending Schedule for Reinforced Concrete Beam

  1. Length of B1 = clear distance between walls + 2 x width of walls – 2 x bar cover + 2 x bend length.
  2. Length of bar B2: A + B + C = 4000 + 2 x 230 – 2 x 40 + (1.414xH – H)
  3. B2 = 4000 + 2 x 230 – 2 x 40 + (1.414×334 – 334) = 4518.3 = 4520mm.

How do I create a bar bending schedule in Excel?

Step by Step Preparation of Bar Bending Schedule:

  1. Step 1: Identification of Members (Steel Bars)
  2. Step 2: Count the Number of bars.
  3. Step 3: Calculate the length of Reinforcement bars.
  4. Step 4: Calculate the unit weight of Reinforcement Bar.
  5. Step 5: Calculate the Weight of particular Shape of Bar.

How do I create a column schedule for a bar?

  1. Step 1 – Find the length of Vertical Bar. Length of Vertical bar = Development length (Ld) + Height of Ground Level + Floor Heights (1,2,3)+ Slab Thicknesses + Overlap Length (Det.B)
  2. Step 2 – Find out lapping.
  3. Step 3 – Cutting Length of Stirrups.
  4. Step 5 – Bar Bending Schedule.

How is column Bar bending Schedule calculated?

Bar Bending Schedule of Column

  1. Given Data: Height = 4 m.
  2. Solution: The Calculation was to proceed into two steps.
  3. Step 1: Vertical Bar Calculation. Length of 1 bar = H + Ld.
  4. Length of 1 bar. = 4000 mm + 40d (d is dia of the bar)
  5. Total length.
  6. Step 2: Cutting the length of stirrups.
  7. Calculation of A.
  8. Calculation of B.

Is codes for bar bending schedule?

Format of Bar Bending Schedule as per Code IS:2502-196

Location Mark Designation Total Number
(1) (2) (6)
Column C4 4R 25 N 20

Why is bar bending schedule prepared?

Advantages of Bar Bending Schedule. Bar bending schedule provides details of reinforcement cutting and bending length. Advantages of bar bending schedule is when used along with reinforcement detailed drawing improves the quality of construction, cost and time saving for concrete construction works.

What is bar bending schedule or BBS?

Bar bending schedule or BBS is a list of reinforcement bars in tabular form which provides bar mark, bar shape, bar dia, dimension of bending of the bar, length of bar, weight of bar etc. There are different kinds of bar shapes are used in reinforcement. The reinforcement design depends on the load calculation.

What are the advantages of preparing a bar schedule?

By preparing a bar schedule, and arranging them according to the lengths, it will lead to an economical bar cutting, reduce the bar cutting wastages. It is easy to manage the reinforcement stock required for identified time duration. It will help to fabrication of R/F with structure.

What are the advantages of using shape codes for bar bending?

Contol of Wastage in steel etc. For small projects, we generally use thumb rules for reinforcement calculation. But for large scale project bar bending schedule is prepared by using bar bending shape codes to avoid unnecessary wastages. It also makes easier to cut the steel bar for the reinforcement as per the design.

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