Bar bending Schedule of Plinth Beam

Bar bending Schedule of Plinth Beam

The plinth beam is the horizontal member of the reinforcement concrete. The Position of the plinth beam is between the wall and the footing. How To Calculate the Bar Bending Schedule of Plinth Beam.Bar bending Schedule of Plinth Beam.

Plinth Beam Defination

The plinth beam is the horizontal member of the reinforcement concrete. The Position of the plinth beam is between the wall and the footing. Basically, The size of the plinth beam is 9 inches or 1 foot. The wall will be starting for constructed from the outside corner of the plinth beam. It means the outside of the wall and the plinth beam is the same.

Bar bending Schedule of Plinth Beam

we calculate the bar bending schedule for the plinth beam with the help of some given data.

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Given Data 

The length of the Plinth Beam inside the column = L =  2.700mm=2.700m

The Widht of the Plinth Beam = W = 350mm =0.350m

The Height or Thickness of the Plinth Beam=H/T= 380mm = 0.380m

Dia of the long or straight bar =D= 16mm

Numbers of the long or straight bar =  Numbers = 4 Numbers

Dia of the Stirrups for Plinth Beam = D= 10mm

Concrete Cover of the plinth beam = C.C = 25

Spacing of the stirrups of the plinth beam = Spacing = 150mm

Length of Development of the plinth beam = Ld =40d               ( 40d= 40 × 16 =640mm )

Bends of the 90° = 2d              For long bar                                  ( 2d = 2 × 16 = 32mm )

Bends of the 90° = 2d               For the Stirrups of the plinth beam    ( 2d = 2 × 10 = 20mm )

Bends of the 135° = 3d              For the Stirrups of the plinth beam     ( 3d = 3 × 10 = 30mm )

The Length of the Hooks = 10d  For the Stirrups of the plinth beam ( 10d =10 × 10=100mm)

Solution for Bar Bending Schedule

1. Length of the long bar/ straight bar 

2. weight of the long bar/ straight bar 

3. Length of the Stirrups 

4. Weight of the Stirrups 

1. Length of the long bar/ straight bar (16mm)

Cutting length of the Long/straight bar = length of the beam + 2Ld – 2 bends of 90°

Cutting length of the Long/straight bar = 2700+2(640) – 2(32)

Cutting length of the Long/straight bar =2700+1280-64

Cutting length of the Long/straight bar = 3916mm=3.916m

Number of the Long Bar/ Straight Bar(16mm)

Numbers of the long bar /straight bar =4 Numbers

Total Lenght of the long bar / straight bar (16mm)

Total length = Cutting length × Numbres of bar

Total length = 3.916 × 4

Total length = 15.664m

Weight of the long bar / straight bar(16mm)

Weight of the long bar/ straight bar= d²/162 × Total length

Weight of the long bar/ straight bar= 16²/162 × 15.664

Weight of the long bar/ straight bar= 24.75=25 KG

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Length of the Stirrups(10mm)

Cutting length of the stirrups= 2 (Widht+Thickness)+2 hooks length-3(bends 90°)-2 (bends135°)

Widht of the Plinth beam = 350 – 2 C.C =350 – 2 (25) = 300mm

Thickness of the Plinth beam = 380 – 2 C.C = 380 – 2(25) = 330mm

Bends of the 90° = 2d               For the Stirrups of the plinth beam   ( 2d = 2 × 10 = 20mm )

Bends of the 135° = 3d             For the Stirrups of the plinth beam   ( 3d = 3 × 10 = 30mm )

Cutting length of the stirrups = 2 (300 + 330) + 2 (100) – 60 – 60= 1400mm = 1.400m

Numbers of the Stirrups for Plinth Beam(10mm)

Number of the Stirrups for plinth beam = Total length of The Beam – 2 C.C  / Spacing + 1

Number of the Stirrups for plinth beam = 2700-150 / 150 + 1

Number of the Stirrups for plinth beam =18Numbers

Total Length of the Stirrups for plinth beam(10mm)

Total Length of the stirrups for the plinth beam = Cutting length of the stirrups × Numbers of stirrups

Total Length of the stirrups for the plinth beam =1400 × 18

Total Length of the stirrups for the plinth beam = 25200mm = 25.200m

Weigth of the Stirrups for the plinth beam(10mm)

Weigth of the Stirrups for the plinth beam = d²/162 × Total length of the stirrups

Weigth of the Stirrups for the plinth beam = 10² / 162 × 25.200

Weigth of the Stirrups for the plinth beam =15.555= 16KG

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