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How To Strengthen Your Building Foundation By Underpinning Methods?

by | Dec 5, 2020 | Home Improvement | 0 comments

The underpinning method is one of the sensitive construction techniques. This type of method is mainly used to improve the strength of the existing foundation, or by placing some new foundation below the old foundation. This foundation underpinning is the best method which is used for increasing the depth of any foundation. 

Some traditionally built homes; the height of the basement is becoming insufficient. In that time underpinning comes to the rescue and it helps you to get a deeper area. These are involved in the installation of permanent or temporary support to an already held foundation. So that it adds depth and the bearing capacity are achieved.

Types Of Works For Selecting The Foundation Underpinning Method

  1. Conversion Work

 If the structure should be converted to another function, it requires a stronger foundation as compared to existing one. So the foundation underpinning takes place to strengthen the building. 

  1. Protection Work

The building may undergo protection work such as; when the existing foundation is not stable there underpinning method takes place and when the soil is unstable. So they first stabilize the foundation soil to resist natural calamities.

  1. Remedial Works

If there are any mistakes in initial foundation design, it may cause subsidence of the structure, in that time foundation underpinning takes place. 

Common Methods For Foundation Underpinning

1. Mass pouring method

It is the most common and traditionally used method of underpinning. This is mostly suited for shallow underpinning, because the more digging is not required. This method simply involves eliminating the weak soil underneath the surface and pouring concrete, it can place to strengthen the base. Hence the concrete is stronger than the soil. So the weight of the entire structure is carried effectively by the concrete. There are many advantages involved by using this method such as the low cost of labour. Then you can be involved continuously by the building use during the construction without evacuating the property.

  1. Base Method

 It is another method of foundation underpinning which involves the use of a beam and the base. The method also involves the use of a traditional mass concrete base and incorporates beams to support the existing foundation. The beam should transfer the load to a mass concrete base that also spread evenly for the support. This type of construction beam depends on the architecture of the building.

  1. Pile Method

 This method may undergo the piles at equal distances along both sides of the wall. These piles are connected by concrete or to the steel needles which penetrate through the walls. This method is the most effective method for houses built in clay soil. This piling method mainly helps in relieving the load of the existing foundation.

  1. Piled raft method 

 This method is used when the complete building wants to be underpinned. If that building foundation is deep for other methods or if the soil is just too hard means this method may be used.

The bottom line 

From this foundation underpinning method you can be shoring up the foundation of a structure to make it safer. These foundation underpinning methods mainly help you to strengthen the building foundation if it already exists or any other infrastructure. So that the depth and bearing capacity should be achieved.

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