The purpose of a foundation, also known as a footing, is to distribute the load from the structure to the soil beneath it. Additionally, the type of footing to use is determined by the ground conditions, the depth at which the rest of the supporting element, and the type of substructure. Let’s see how many types of combined footing are possible.
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Types of combined footings:
1) Rectangular Combined Footing
It has a rectangular shape and is the most widely used foundation design. These sorts of footings have columns that can be in the midst of one column or at the border of the footing. We can't continue the foundation to another area while there are border walls. As a result, we'll need to build a column at the footing's edge.
2) Trapezoidal Combined Footing
The shape of the footing may be controlled by design or the amount of space available for the foundation. Because of the construction shortages, these sorts of foundations are not often used. When matched to a rectangular footing of the same dimension, the trapezoidal shape and variable lower the area of the footing. However, because of the structure of the footing, building costs may not be reduced.
3) Strap Footing
The reason we build strap footings is well understood. We don't have to build strap footings all of the time. The independent footing can operate in parallel with and sustain the loading. The irregularity of the footing has its limits. The tension at the column goes up as the axial load increases. It will lead to excess ground movement and soil-bearing problems. As a result, we link the eccentric load footing with regular column footing to neutralise the pressure under the foundation.
4) Raft Footings
The raft foundation is the final version of the combined footing. We may be able to eliminate the raft and mat foundations from the combined foundation list. It appears that it is not actually good on this type of foundation. It is made up of all of the structure's columns. At first, we attempt to construct the structure on independent footings. However, as the axial stress on the column grows, so does the area of the footings.
Now you know how many types of combined footing are possible.
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How many types of combined footing are possible?
Kailas
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2022-06-23T14:27:28+00:00 2022-06-23T14:27:29+00:00Comment
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