Bar Bending Schedule Of Lintel Beam:
In this article, I will discuss how to prepare BBS of RCC Lintel Beam.
1. Calculate Total Length Of Main Bars:
Length of 1 bar = Length of lintel – clear cover for both sides
= 2500 – 2 x 25 [Clear cover for both sides]
=2450 mm
= 2.4 m.
Length of 4 bars = 2.4 x 4 = 9.6 m
2. Calculate Weight Of Steel For Main Bars:
Weight of steel for 12 mm bar = D²L/162 = 12² x 9.6/162 = 8.53 kg.
3. Calculate No Of Stirrups:
No of stirrups = (Total length of lintel/c/c distance between strriups) + 1
= (2500/150) + 1 = 18
4. Calculate Total Length Of Stirrups:
Inner depth distance = 150 -25 -25 -8 =84 mm
Width distance = 150 – 25 – 25 -8 = 84 mm.
Cutting length of stirrups =(2x Inner deoth diatance) +(2xWidth depth) + Hooks Length – Bend
Hooks length = 10d
Bend = 2d
We have 2 hooks and 5 bend
So,
Cutting length of stirrups = (2×84) + (2 x84) +2x10x8 -5x2x8 = 418 mm = 0.418 m
Total length of stirrups = 0.418 x 18 = 7.54 m
5. Calculate Weight Of Steel For Stirrups:
Weight of steel for stirrups = D²L/162 = 8² x 7.54/162 = 7.61 kg.
Total weight of steel for lintel = 8.53 + 7.61 = 16.14 kg.
FAQ
What is the schedule of rebar bending?
In simple terms, a bar bending schedule is a list of all the reinforcement bars needed for a particular concrete component within a build. This could include multiple different types of bar, with different diameters, lengths and bends
What is the formula for bending bars?
Total Length of Bar = Length of Bar x Number of Bars. Check the Diameter of Bar. Weight Per meter = D2 / 162 Kg/m or Weight Per feet = D2 / 533 Kg/ft. Total Weight of Steel = Total Length of Bar x D2 / 162 Kg/m3 or Total Length of Bar x D2 / 533 Kg/ft
What is a bar mark on a bending schedule?
The bar mark (e.g. “ T2 ”) represents the type of reinforcement present in the column. Each bar mark in the schedule is also shown in the Section Legend with a graphical representation of the column section and the reinforcement
Who provides the bar bending schedule?
Measurements, shape codes and quantities are taken from a bar bending schedule produced by a structural engineer
What is the formula for bending?
M / I = σ /y = E / R is the formula for simple bending. The equation of pure bending is considered when bending moment is constant and shear force or rate of bending moment change is equal
What is bar cutting schedule?
The Bar Bending Schedule, often known as BBS, represents the bend forms and cut lengths of bars according to the construction plans. The BBS is fabricated based on the building plans. Because the bars are bent into various shapes based on the curvature of the member, distinct BBS must be made for each member
