What Is Plinth beam, Plinth Protection, Purpose and Applications

Plinth beam is a type of tie beam actually all beam is tie beam that can be upper side or lower side of plinth beam. The biggest confusion of some people is that plinth beam and tie beam both are one. But it’s not right, both beam are different and work also different of plinth and tie beam. Plinth protection is use for stability of frame structure and load distribution.

plinth beam

What is Plinth beam?

Actually Plinth meaning is base, and plinth level meaning is ground level. So that means of plinth beam is a base beam and the brick work start from this beam. And it’s beam protection is called plinth protection. it’s built by concrete and steel bars.

How to works plinth beam

When we need to backfilling up to plinth level, And that Material may be soil or sand can be settled down due to its properties or mass. And if we will not construction of plinth beam then all house can be settled, let’s suppose the ground material have very strong, but a minor settlement, can be reason of cracks in walls while if plinth beam is available in your frame structrue, then the cracks will not comes in walls.

What Is Height of Plinth

The plinth beam height can be 150-400mm from ground level. Minimum height of plinth beam should be 150mm.

Applications of Plinth Beam

Its necessary to construction plinth beam that prone to earthquake and other natural effects. Construction of this beam above the ground is other application of plinth beam.

Steel Bars Used for Plinth Beam

In the plinth beam steel bar details according to IS code: Minimum recommended Two bars of 12mm diameter in bottom and upper side can be two bars of 10mm.

Sizes of plinth beam

Plinth beam size depend on the project size like we construction a small house then you can provide according to walls. If your walls size is 9” then plinth should be larger to 9”. In other word, Plinth beam should be larger in thickness from wall.

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