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What Is the Best Foundation for a House | Types of House Foundations | How to Build a House Foundation | What Is the Strongest Foundation for a House

Best Foundation for a House

Important Point

  • Introduction of Foundation for House
  • Definition of Foundation
  • Purpose of Providing Foundation to the Structure
  • Requirement of Good Foundation for the Structure
    • 1. Location of the Foundation
    • 2. Stability of the Foundation
    • 3. Durability of the Foundation
    • 4. Settlement of the Foundation
  • Why Different Types of Foundations Are Used in Construction?
  • Types of House foundations
    • #1. Shallow Foundation
      • 1.1. Wall Footings
      • 1.2. Isolated Footing
      • 1.4. Inverted Arch Footing
      • 1.5. Cantilever Footings or Strap Footing
      • 1.6. Grillage Foundation
      • 1.7. Raft or Mat Foundation
    • #2. Deep Foundation
      • 2.1. Pile Foundation
      • 2.2. Well Foundation
  • What Is the Best Foundation for a House?
  • What Is the Strongest Foundation for a House?
  • How to Build a House Foundation Step by Step?
    • Step 1: Selection of the Construction Site
    • Step 2: Marking the Layout of the Foundation
    • Step 3: Excavation of the Trenches
    • Step 4: Anti-Termite Treatment
    • Step 5: Providing PCC to the Base of the Trenches
    • Step 6: Installation of Formwork
    • Step 7: Pouring of Concrete
    • Step 8: Curing of the Concrete
    • Foundation for House
    • Types of House Foundations
    • Best House Foundation
    • Requirement of Good Foundation for the Structure
    • What Is the Strongest Foundation for a House?
    • Why Different Types of Foundations Are Used in Construction?
    • What Is the Best Foundation for a House?
    • Best Foundation for a House

Introduction of Foundation for House

Foundation is one of the most important parts of the Building on which the whole Structure is rest. Foundation is a very essential part of a building which provide a base to the structure.

In this article, you will get to all about the foundation, Types of house foundation and how to build a house foundation.

Definition of Foundation

Foundation

Foundation is the part of the superstructure which is one of the most important parts of the structure. It is the lowest part of the structure below the ground level which provides a base for the building.

The main function of the foundation is to receive the total load of the structure and transmit it safely to the underground soil strata without any excessive settlement of the soil.

Also, Read: What Is a Brick Bat Coba |  Procedure of Brick Bat Coba Waterproofing | Advantages &  Disadvantage of Brick Bat Coba Waterproofing

Purpose of Providing Foundation to the Structure

Purpose of Providing Foundation

The function of the foundation is as follows

  1. The main function of the foundation is to distribute the total weight of the structure over the larger area.
  2. The foundation is constructed to provide a proper level surface for the construction of the superstructure of the building.
  3. There may be chances of the settlement of the structure due to heavy loading on the subsoil. The foundation helps to prevent the unequal settlement.
  4. The foundation provides the stability to the structure and prevents overturning by taking the total weight of the structure deep into the ground.
  5. The foundation is not provided to support the load of the structure but in fact, it serves as a means to transmit the load of the building to the soil below the foundation.
  6. Foundation is provided to prevent the lateral movement of the structure and increase structural stability.

Also, Read: What Is Grade Beam | What Is Grade Beam Foundation | Grade Beam Construction Process |Advantages & Disadvantage of Grade Beam

Requirement of Good Foundation for the Structure

The following are the essential requirements of the good Foundation

  • Location of the Foundation.
  • Stability of the Foundation.
  • Durability of the Foundation.
  • Settlement of the Foundation.

1. Location of the Foundation

The foundation should be located such that it can able to resist any unexpected influence likely to appear in the future to the structure. So care should be taken while designing the layout of the foundation.

2. Stability of the Foundation

The structural stability of the foundation of the building is a very essential requirement for the construction of a good Foundation. The foundation should be stable and save to resist any settlement.

The foundation which should be rigid to take the superimposed load which may unevenly be distributed.

3. Durability of the Foundation

The design and construction of the foundation are done in such a way that it should be durable and resist the heavy load of the structure.

4. Settlement of the Foundation

Settlement of the foundation of a building depends upon the bearing capacity of the soil. The soil Strata where the position will be constructed should be more rigid and compact to avoid the settlement of the foundation.

The foundation should be constructed such that it should not settle under the heavy superimposed load.

Also, Read: Top 10 Bathroom Fittings & Sanitary Brands India

Why Different Types of Foundations Are Used in Construction?

The bearing capacity of the soil depends upon the site conditions. It varies from site to site. Engineers have to design different types of foundation as per the bearing capacity of the soil and the site conditions.

Hence it is not possible to construct the same type of foundation to every site. Depending upon the soil profile, size and the load of the structure different types of foundations are used.

If the foundation of this structure is constructed without understanding the ground conditions of the site then it may lead to the failure of the foundation.

Once the little failure of the foundation takes place then it is difficult to improve the situation.

Also, Read: Difference Between Pier and Abutment | What Is Pier | What Is Abutment

Types of House foundations

The house foundations are classified into mainly two types

  • Shallow Foundation
  • Deep Foundation

#1. Shallow Foundation

Shallow Foundation (1)

Shallow Foundation is the type of house foundation whose depth is less than or equal to the width of the foundation. The shallow Foundation is economical and popularly used Foundation construction of lightweight structures.

The shallow foundation is the most common type of foundation which can be laid using open excavation. The shallow Foundation is used generally for a depth of 3.5 to 4m.

This type of foundation is provided for the structures of moderate height which are built on sufficiently formed dry ground.

There are different types of Shallow foundations

  1. Wall Footing
  2. Isolated Footing
  3. Combined Footing
  4. Inverted Arch Footing
  5. Cantilever Footing or Strap Footing
  6. Grillage Footings
  7. Raft or Mat Foundation

The brief description of the types of Shallow Foundation are as follows

1.1. Wall Footings

wall footing

There are two types of wall footing which are used in the house foundations are Simple wall footing and stepped wall footing. For the construction of the lightweight structures or temporary structure, the simple type of footing is used. The simple footing has concrete with below the walls and there is no steps are provided.

In the case of the heavy load structures, the wall spread step by step till the foundation level is reached. In the case of step footing, the area of the wall is increased to transmit the load on the larger area of soil.

The simple wall footing is used in the construction of compound walls and lightweight structures whereas the stepped footing is used for the load-bearing structure.

Also, Read: What Is a Classified Road | Classification of Roads in India

1.2. Isolated Footing

Isolated Footing (1)

The isolated footing is used to support the individual and columns. Isolated footing either be stepped footing or have a projection in the concrete base.

The isolated footing is generally used in the construction of the ordinary-buildings up to five storeys. The isolated footing is one of the most economical types of foundation.

1.3. Combined Footing

Combined Footing

Sometimes there are two columns are located very near to each other, in such cases, the footings of both columns overlap each other. That’s why it is necessary to provide a combined footing for both the columns.

The condition which should be fulfilled in this type of footing is that the centre of gravity of the column loads and the centroid of the footing should coincide.

There are two types of combined footing one is rectangular combined footing and second is the Trapezoidal combined footing.

The rectangular combined footing is used when the loads on the two columns are equal. The trapezoidal combined footing is used when the lots on the two columns are unequal.

Also, Read: Trapezoidal Footing Formula with Calculation (Isolated Footing Formula)

1.4. Inverted Arch Footing

Inverted Arch Footing.

This type of foundation is outdated Foundation. The inverted arch footings are suitable for the construction of the bridges, tanks, underground sewers and reservoirs.

1.5. Cantilever Footings or Strap Footing

Cantilever Footing (1)

Cantilever footing is also known as strap footing. This type of footing is used when the column is located near the boundary of the plot and it is not possible to permit the footing of that column to exceed beyond the plot boundary.

The strap beam is provided in this type of footing which helps to co-ordinate and support the load of the column which is located on the boundary. The strap beam helps to connect two columns with each other.

Also, Read: What Is Cantilever | What Is Cantilever Footing | Design of the Cantilever Footing

1.6. Grillage Foundation

Timber Grillage Foundation

Grillage Foundation is used to transmit the heavy load from the Steel columns to the soil which has low bearing capacity. This type of foundations is lighter and economical.

Also, Read: Grillage Foundation | Types of Grillage Foundation | Features of Grillage Foundation

1.7. Raft or Mat Foundation

Raft or Mat Footing (1)

  • Raft Foundation is a type of foundation which consists of a thick reinforced concrete slab. this type of foundation covers the entire area of the bottom of the structure on the subsoil.
  • Raft foundation is suitable where the soil on the ground is soft and has low bearing capacity.

Also, Read: What Is Raft Foundation | Types of Footing | Detail of Raft Footing

#2. Deep Foundation

Deep Foundation

The foundations are used where the soil below the structure within reasonable there is not capable of supporting the load of the structure. Hence it is necessary to transmit the load of the structure at a greater depth.

The function of the Deep Foundation is to transmit the load of the building to the firm layers deep inside the ground.

The deep Foundation is categorised into two types

  1. Pile Foundation
  2. Well Foundation

2.1. Pile Foundation

Pile Foundation (1)

Pile foundations are the type of deep foundations which are constructed by the long Slender columns mainly which are made from the reinforced cement concrete and steel.

Also, Read: Piling for Foundation | Use of Pile Foundation | Characteristics of Pile Foundation

2.2. Well Foundation

Well Foundation

Well Foundation is a type of the foundation which is provided below the water level. Well foundations are the same as open Caissons which are used for the bridge piers and abutments.

Also, Read: What Is Well Foundation | Component of Well Foundation

What Is the Best Foundation for a House?

The strongest foundation for a house is very important in the construction of the structure because the foundation is one of the most important part of the construction. If the foundation is strong and rigid then only it can carry the total load of the Building.

If the foundation of the structure is not properly designed and it is not enough to carry the load of the structure so there is no advantage of investing money on the superstructure of the Building.

That’s why it is very essential that you should select the best house Foundation. The care should be taken that the foundation should be constructed with strong building materials.

The building materials which are used in the construction of the foundation should be tested. The material should pass all the norms which are given by the Indian standards.

The best house Foundation should be constructed from the strong building material so that it will give maximum structural stability to the building and hold the house during the cyclone and earthquakes.

Also, Read: What Is Foundation | What Is Purpose of Providing Foundation | Types of Foundation

What Is the Strongest Foundation for a House?

What Is the Strongest Foundation for a House

The type of foundation suitable for the construction of the structure depends upon the type of soil available on the site and the type of building which we have to construct.

For the construction of the lightweight or temporary structure, Shallow Foundation is used whereas for the construction of the high rise Buildings deep foundations are used.

Foundations are mostly constructed from strong material so they can hold the house in place even during earthquakes and cyclones. Therefore, they are generally made up of concrete which is the strongest construction material.

Also, Read: Difference Between Footing and Foundation | What is Footing and Foundation

How to Build a House Foundation Step by Step?

Here is the step by step procedure for house Foundation construction. Construction of the house Foundation is one of the crucial and starting stages of the construction of the house.

Step 1: Selection of the Construction Site

Selection of the best site for the construction of the foundation is very important. The bearing capacity of the soil is checked which is available on the site.

Step 2: Marking the Layout of the Foundation

The size of the foundation is marked on the ground as per the measurements which are given in the drawing.

Step 3: Excavation of the Trenches

Destination work is done as per the measurements given in the drawing. It is necessary that the supervisor should inspect whether the excavation and the depth of the foundation are as per drawing or not.

Step 4: Anti-Termite Treatment

Anti-Termite treatment is very important to protect the house Foundation from the term attack. It is necessary that the soil around the house Foundation should be treated wale up to the plinth level with appropriate chemicals and Anti-termite treatment.

Step 5: Providing PCC to the Base of the Trenches

The next step to the construction of the building foundation is the composition of the excavated soil top layer and providing a layer of plain cement concrete on it.

Step 6: Installation of Formwork

The formwork should be provided as per the size of the footing and sufficiently rigid so that it should not displace during the composition of the concrete.

Step 7: Pouring of Concrete

The final and the most important part of the construction of the house foundation is the pouring of concrete into the footing. The concrete should be properly compacted in the formwork.

Step 8: Curing of the Concrete

Curing is very necessary which will help to gain strength. Curing should be started early stage and continue for a sufficient period of time which will ensure your the desired strength of the concrete.

Also, Read: What Is Raft Foundation | Types of Footing | Detail of Raft Footing


Faq

Foundation for House

A foundation is a lower portion of building structure that transfers its gravity loads to the earth. To make a foundation, we normally dig a trench in the ground, digging deeper and deeper until we come to the subsoil, which is more solid than the topsoil that is used to grow plants and crops.

Types of House Foundations

The 5 different types of foundation are as follows.

  1. Basement Foundation.
  2. Crawlspace Stem Walls. 
  3. Concrete Slab Foundations.
  4. Wood Foundations.
  5. Pier and Beam Foundations.

Best House Foundation

5 Best house foundations are as follows.
  1. Basement Foundation: A full basement foundation begins with a hole of at least eight feet deep to accommodate an underground living space whose floor space matches most or all of the home’s ground level.
  2. Crawlspace Stem Walls: Short foundation walls on concrete footings, or stem walls, form the foundations of houses with crawlspaces.
  3. Concrete Slab Foundations: A slab foundation, sometimes called a monolithic or mono slab foundation, is a flat concrete slab that rests on the ground and is poured in one single piece.
  4. Wood Foundations: Wood might seem like an unusual choice for a foundation, but it became a popular choice in the 1960s. Builders will use preservative-treated wood that is resistant to decay and easy to install.
  5. Pier and Beam Foundations: In coastal areas, the best way to anchor a home above soil that’s constantly shifting, flooding, or eroding is to build a pier and beam foundation (also known as “piers and pile” or “pier and post” foundations). You’ll often find them in areas prone to hurricane conditions or major flooding.

Also, Read: What Is Hempcrete | Hempcrete Blocks | Advantages & Disadvantages of Hempcrete Blocks | Applications of Hempcrete

Requirement of Good Foundation for the Structure

The design and the construction of the foundation are done such that it can sustain as well as transmit the dead and the imposed loads to the soil. Differential settlements can be avoided by having a rigid base for the foundation.

What Is the Strongest Foundation for a House?

Foundations are mostly constructed from strong material so they can hold the house in place even during earthquakes and cyclones. Therefore, they are generally made up of concrete which is the strongest construction material.

Why Different Types of Foundations Are Used in Construction?

Raft or mat foundations are the types of foundation which are spread across the entire area of the building to support heavy structural loads from columns and walls. It is suitable for expansive soils whose bearing capacity is less for the suitability of spread footings and wall footings.

What Is the Best Foundation for a House?

Because a slab is by far the most cost-effective choice, customers flock to this budget-friendly option. It’s quick and easy, as far as foundations go-a slab can often be poured directly on the ground or on a bed of gravel.

Best Foundation for a House

Because a slab is by far the most cost-effective choice, customers flock to this budget-friendly option. It’s quick and easy, as far as foundations go – a slab can often be poured directly on the ground or on a bed of gravel.

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By Krunal Rajput

About Krunal Rajput

Hey, I am Krunal Rajput. The Man Behind CivilJungle. I started this site to spread knowledge about Civil Engineering. I am a Degree Holder in Civil Engineering.

You can find him on Facebook, Twitter, Tumblr, Instagram and Google News.

Comments

  1. GERPHAS MUKONY says

    23rd November 2021 at 4:55 pm

    very useful and concrete information.This has added load of knowledge ,still student taking civil engineering course from Kenya.

    Reply

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