In This Article We Are Going To Cover

  1. What Is Plinth Beam
  2. Why We Provide Plinth Beam
  3. Where We Provide Plinth Beam
  4. Purpose Of Plinth Beam
  5. Applications Of Plinth Beam
  6. Suitable Strength For Plinth Beam
  7. Minimum Dimension For Plinth Beam
  8. Formwork For Plinth Beam
  9. Steel Bars Used For Plinth Beam

What Is Plinth Beam?

Plinth Beam Is A Reinforced Concrete Beam Constructed Between The Wall And Its Foundation.

What Is The Purpose Of Plinth Beam

Plinth Beam Is Provided To Prevent The Extension Or Propagation Of Crack From The Foundation Into The Wall Above When The Foundation Suffers From Settlement.

Plinth Beam Distributes The Load Of The Wall Over The Foundation Evenly.

Applications Of Plinth Beam

It Is Mandatory To Provide Plinth Beam In Areas That Prone To Earthquake.

Concrete Strength Suitable For Plinth Beam

Strength Of Plinth Beam Concrete Shall Not Be Smaller Than 20 MPA.

If Concrete Is Mixed Manually, Then An Extra Of 20 % Cement Need To Be Added To The Mixture.

Minimum Dimension Of Plinth Beam

A Minimum Depth Of Plinth Beam Is 20 Cm Whereas Its Width Should Match The Width Of Final Course Of The Foundation.

Formwork For Plinth Beam

Formwork Used For Plinth Beam Construction Should Be Properly Installed And Adequately Secured Prior To Concrete Placement.

The Concrete Needs To Be Compacted Sufficiently To Prevent Steel Bars From Aggressive Elements.

Steel Bars Used For Plinth Beam

It Is Recommended To Provide Two Bars With Minimum Diameter Of 12 mm At The Bottom Of The Beam.

Similarly, Two Bars With Minimum Diameter Of 10 mm Shall Be Provided At The Top Of The Plinth Beam.

Reinforcement Bars Should Be Protected By 25 mm Concrete Cover.

As Far As Stirrups Are Concerned, Stirrup Diameter Should Be At Least 6 mm And A Spacing Of 15 cm Should Be Sufficient.

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