What Is Inverted Beam | Advantages of Inverted Beam | Purpose of Inverted Beam
Important Point
What Is Inverted Beam?
The Inverted beam is a reinforced concrete beam, different types shape of beam-like I beam, T Beam, L beam, etc.
So, the height of the Inverted beam is the same as the normal height of a beam, as may be noticed in as per below fig.
Inverted beams are popular and form an essential part of modern reinforced concrete framed structures.
Lastly, strict and rigid architectural considerations led to the provision of inverted beams. In this manner, the load which could be brick wall will be dealt with, and the height of the floor won’t be compromised.
In this article, different aspects of reinforced concrete Inverted beams will be discussed.
or
Inverted beams are the same as upstanding beams. As already mentioned in some answers, it is used for headroom clearance.
Bottom line is, wherever there is a restriction on maintaining a certain level of beams due to reasons like aesthetics/maintenance purpose, we increase the level of beams.
Technically speaking it is not the same as putting higher reinforcement on top of having a flexural tension at the top and so I personally don’t prefer to call it an inverted beam, and rather calling it an upstanding beam should be better.
Also, read: How to Building Construction Process Step by Step
Why Is Inverted Beam Used?
The concept of an Inverted beam originated from a flat slab concept. Inverted Beams only means to spread the concentrated load of the beam on the slab area.
Where Did It Use in Buildings?
Inverted beams are usually inserted over the slab where the slab flat is considerable.
The inverted beam is provided slab bottom level to an above slab. It provided as the main beam. This gives a neat and level ceiling surface that’s good for the look.
Also, read: Building
How to Design an Inverted Beam?
The design of a hidden beam is the same as a conventional beam, but its depth is restricted and shouldn’t be greater slab thickness.
Therefore, it might be required to increase the reinforcement ration and width of the beam to overcome this restriction to a certain degree.
Also, read: What Is Development length | What Is Development Length of Bars
Purpose of Inverted Beam
- It’s used to help disperse loads imposed on the slab
- It allows using of greater span for the slab
- Inverted beams are provided exclusively for architectural aesthetic purposes in the building interior
- To break a wide panel of a slab into considerable size.
- To improve architectural aesthetic appearance by providing neat and leveled ceiling bottom surface
- It saves floor height clearance.
- It allows if brickwork needs to be constructed over the slab.
Also, read: IS 516:1959 Most Important Point (Method of Tests For Strength of Concrete)
Advantages of Inverted Beam
The inverted beam is desired structural element because of several advantages which include:
By providing inverted beam floor height can be achieved, clears the way for electromechanical duct-work, and also the aesthetic appearance of the building.
This is more applicable to industrial, commercial buildings.
Inverted Beam
Inverted beams a. Regular beam itself becomes an inverted beam if the flange of the slab gets supported in the tension zone of the beam if it is simply supported beam or in the compression zone of the cantilever beam.
Inverted T Beam
Inverted T–Beams are prestressed concrete elements that have a constant cross section. They are manufactured using high tensile strength prestressed wires or single wire which are embedded within the element. Prestressed beams have many uses in floor construction.
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Hey,
I have a question related for my Architectural Thesis project i.e., Institute for Performing Arts.
If I have to provide floor isolation on the first floor, the slab is to be raised. So, can I provide an Inverted {upstanding) beam for that purpose?
Can it bear that kind of load? (All the instruments playing, etc.)
Yes, Inverted beam load-carrying capacity same as the normal beam.
Can the Inverted beam be rested on the Drop beam?
Is there any possibility?
What is the difference in normal and inverted beams reinforcement, I mean is there any changes in placing the extra rods
Can I pour concrete Separately in slab and inverted beam , is this method effect the structural integrity