What is Load Bearing Structural System

Load Bearing Structural System

It essentially consists of thick, heavy masonry walls of brick or stone that support the entire structure, including the horizontal floor slabs, which could be made of reinforced concrete, wood, or steel members.

The key idea with this construction is that every wall acts as a load carrying element. Therefore, the walls must be strong enough for the purpose and are usually 9 inches or more in thickness.

Load bearing masonry construction was the most widely used form of construction for large buildings from the 1700s to the mid-1900s.  It is very rarely used today for large buildings, but smaller residential-scale structures are being built.

Load path 

Load path in load bearing structures - wecivilengineers
Path of load transfer in Load Bearing structural system

Limitations of  Load Bearing Structural System

  • It does not perform very well in earthquakes. Most deaths in earthquakes around the world have occurred in load bearing masonry buildings.
  • Limitations for openings in walls.
  • It is extremely labor-intensive, as it is built mainly of masonry, which is made by hand. This also makes for very slow construction speeds in comparison with modern methods that are far more mechanized.
  • Foundation cost of Load Bearing is more than Framed Structure if the depth of foundation increases beyond 1.5 m.
  • It is extremely material-intensive. These buildings consume a lot of bricks, and are very heavy. This means that they are not green.

Construction of Load Bearing Structures 

We follow 5 simple steps for construction of load bearing structure as follows:

Step 1 :-  Excavation of soil for foundation 

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Excavated Pit for Foundation

Width of the pit should be equals to width of foundation. 

 

Step 2 :- Construction  Foundation 

The Foundation of Load bearing Structure are made with Rubble Masonry or With Stone which bear all load coming from the Wall.

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Step 3  :-  Construction of masonry walls

The walls must be strong enough for the purpose and are usually 9 inches or more in thickness.

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construction of walls

Step 4  :-  Construction of slab

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slab casting 

Step 5:- Finishing

Use plastering and whatever the interior required for your home. That’s all your house is ready to use 🙂

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Load bearing structure

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