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SUBMITTED BY
SRISHTI SONKAR
Roll no : 2021011166
B.tech 3rd Year
MADAN MOHAN MALAVIYA UNIVERSITY OF
TECHNOLOGY, GORAKHPUR
SEMINAR
ON
PILE FOUNDATION
Outline
โ€ข definitions
โ€ข What Is Pile Foundation?
โ€ข The uses of pile Foundation
โ€ข The most common types of deep foundations
for building
What Is Pile Foundation?
โ€ข A pile foundation is a deep type of foundation.
โ€ข A pile foundation can be made using long, thin,
columnar elements.
โ€ข The pile foundation can be made using steel,
reinforced concrete and wood as a material.
โ€ข The depth of this type of pile foundation is three
times its width.
โ€ข The main components of the foundation are the
pile cap and the piles.
Pile foundation
is defined as a series of columns inserted into
the ground to transmit loads to a lower level of
subsoil. A pile is a long cylinder made up of a
strong material, such as concrete. Piles are
pushed into the ground to act as a steady support
for structures built on top of them. Piles transfer
the loads from structures to hard strata, rocks, or
soil with high bearing capacity.
If the bearing capacity of the ground is low, then it is
advisable to take a deep foundation for the structure
of the building for the purpose of achieving a strong
bearing stratum for the foundation of the building
The most common types of deep foundations for
building are as follows,
โ€ข Pile foundations
โ€ข Cofferdams
โ€ข Cassions foundation
The pile foundation has the
desired ability to transmit
loads of the structure to the
desired depth
The function of a pile is the same as the function of a
column. In which the load of the structure has the
ability to transmit from the upper level to the lower
level. But in the formation of the pilesโ€™ foundation,
the bulbs are provided at a lower level in the ground
so that there is no concern regarding buckling in the
pile foundation.
Installation of pile
foundations
Most piles are driven into the ground by means of
hammers or vibratory driversThe types of hammer
used for pile driving include
(a) the drop hammer,
(b) the single-acting air or steam hammer,
(c) the double-acting and differential air or steam
hammer,
(d) the diesel hammer.
Uses of Pile Foundations
Pile foundation is selected in
different following situations.
โ€ข The pile foundation is used when the load from the
buildingโ€™s superstructure is very high, and its distribution
is uneven.
โ€ข Pile foundation is used when the bearing capacity of the
soil is low where high rise building is to be constructed.
โ€ข The problem arises for shallow foundations when the
groundwater is high in the ground of the site location for
the building.
โ€ข Pile foundations are used when it is difficult and non-
economical to pump water from a ditch frequently.
โ€ข The use of pile foundation is suitable when there is a big
fluctuation in the ground water level in the ground above
the site for building.
โ€ข The pile foundation is suitable to be used for
foundation of the building on the beach or in the river
area. Also where there is a risk of water impact in
abundance.
โ€ข The pile foundation can be selected when the soil on
the site for the building has an expansive nature.
โ€ข The pile foundation can be used as a foundation for
power transmission towers. Due to the height of this
type of tower, it can be used to resist lifting forces.
Types of Pile Foundations
(A). Types of pile foundations depending on the
function or uses
1. End Bearing Piles
In this type of pile, the lower end of the pile is lowered
into the ground up to the level of strong ground or rock.
The load of the structure of the building is transferred to a
stronger level by the bearing pile. This type of pile acts as
a column. This type of pile transfers the load of the
structure from a weak layer to a strong layer.
Fig -1-2
2. Friction Piles
In this type of pile, the load of the building is transferred to a
strong soil strata using skin friction along the length of the
piles.
This type of friction pile transfers the superstructure load of
the building to the ground using the force of friction resistan
between the surface of the pile and the adjacent ground.
These types of pile foundations are commonly known as
floating pile foundations.
the friction pile can be designed to the required length.
Fig 1-3
3. Compaction Piles
When the bearing capacity of the soil is low, the
pile is driven into the soil for the purpose of
increasing the bearing capacity. Piles drilled in this
way are known as compaction piles. This type of
compaction pile carries no load. So compaction
pile can be made from any lightweight materials.
Fig 1-4
4. Tension Piles
This type of tension pile is used to provide
stability to the building and to resist
hydrostatic pressure or the moment of
overturning. This type of pile foundation is
also called an uplift pile.
5. Anchor Piles
Anchor pile is used to transfer compressive
and tensile forces to bending moments on
the ground safely. Anchor pile is suitable
for offshore moorings, basements, and
tunnels etc.
6. Fender Piles
Fender piles are typically used
to protect coastal structures
from ships or other floating
objects.
7. Sheet Piles
This type of pile is used as bulkheads
or as an impermeable cutoff for
hydraulic structures to reduce
seepage.This type of pile is used as
retaining wall support for docks,
wharves, and other marine
structures.
They are usually used to serve the
following purpose-
Construction of retaining walls.
Protection from river bank erosion.
Retain the loose soil around foundation
trenches.
For isolation of foundation from adjacent
soils
(B). Types of pile foundations
depending on material and
composition
โ— Steel piles
โ— Concrete piles
โ— Timber piles
โ— Composite Piles
Fig 2-1
Fig (2-2)
Fig (2-3)
Fig (2-4)
Fig (2-5)
4-Composite Piles
The upper and lower portions of composite piles are made
of steel and concrete or timber and concrete. This type of
pile is used when the length of the pile required for
adequate bearing exceeds the capacity of simple cast-in-
place concrete piles. forming proper joints between two
dissimilar materials is difficult, and for that reason,
composite piles are not widely used.
Conclusion
Conclusion
In many situations, neglecting cap resistance
introduces inaccuracies of one hundred percent or
more.
There is a need for rational procedures for including
cap resistance in the design of pilegroups to resist
lateral loads.
This research has made it possible to quantify many
important aspects of pile group and pile cap behaviour
under lateral loads due to wind, waves, and thermal
expansions andcontractions of bridge decks.
Reference
Das , B.M . ( 1990 ). Priciples of foundation Engineering . 4th edition plus publishing CO . , Boston .
View publication stats
www.google.com
www.wipedia.com
From book by 'C Venkatramaiah'
www.wikipedia.com
Thank you

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  • 1. SUBMITTED BY SRISHTI SONKAR Roll no : 2021011166 B.tech 3rd Year MADAN MOHAN MALAVIYA UNIVERSITY OF TECHNOLOGY, GORAKHPUR SEMINAR ON PILE FOUNDATION
  • 2. Outline โ€ข definitions โ€ข What Is Pile Foundation? โ€ข The uses of pile Foundation โ€ข The most common types of deep foundations for building
  • 3. What Is Pile Foundation? โ€ข A pile foundation is a deep type of foundation. โ€ข A pile foundation can be made using long, thin, columnar elements. โ€ข The pile foundation can be made using steel, reinforced concrete and wood as a material. โ€ข The depth of this type of pile foundation is three times its width. โ€ข The main components of the foundation are the pile cap and the piles.
  • 4. Pile foundation is defined as a series of columns inserted into the ground to transmit loads to a lower level of subsoil. A pile is a long cylinder made up of a strong material, such as concrete. Piles are pushed into the ground to act as a steady support for structures built on top of them. Piles transfer the loads from structures to hard strata, rocks, or soil with high bearing capacity.
  • 5. If the bearing capacity of the ground is low, then it is advisable to take a deep foundation for the structure of the building for the purpose of achieving a strong bearing stratum for the foundation of the building
  • 6. The most common types of deep foundations for building are as follows, โ€ข Pile foundations โ€ข Cofferdams โ€ข Cassions foundation
  • 7. The pile foundation has the desired ability to transmit loads of the structure to the desired depth
  • 8. The function of a pile is the same as the function of a column. In which the load of the structure has the ability to transmit from the upper level to the lower level. But in the formation of the pilesโ€™ foundation, the bulbs are provided at a lower level in the ground so that there is no concern regarding buckling in the pile foundation.
  • 9. Installation of pile foundations Most piles are driven into the ground by means of hammers or vibratory driversThe types of hammer used for pile driving include (a) the drop hammer, (b) the single-acting air or steam hammer, (c) the double-acting and differential air or steam hammer, (d) the diesel hammer.
  • 10. Uses of Pile Foundations Pile foundation is selected in different following situations.
  • 11. โ€ข The pile foundation is used when the load from the buildingโ€™s superstructure is very high, and its distribution is uneven. โ€ข Pile foundation is used when the bearing capacity of the soil is low where high rise building is to be constructed. โ€ข The problem arises for shallow foundations when the groundwater is high in the ground of the site location for the building. โ€ข Pile foundations are used when it is difficult and non- economical to pump water from a ditch frequently. โ€ข The use of pile foundation is suitable when there is a big fluctuation in the ground water level in the ground above the site for building.
  • 12. โ€ข The pile foundation is suitable to be used for foundation of the building on the beach or in the river area. Also where there is a risk of water impact in abundance. โ€ข The pile foundation can be selected when the soil on the site for the building has an expansive nature. โ€ข The pile foundation can be used as a foundation for power transmission towers. Due to the height of this type of tower, it can be used to resist lifting forces.
  • 13. Types of Pile Foundations (A). Types of pile foundations depending on the function or uses 1. End Bearing Piles In this type of pile, the lower end of the pile is lowered into the ground up to the level of strong ground or rock. The load of the structure of the building is transferred to a stronger level by the bearing pile. This type of pile acts as a column. This type of pile transfers the load of the structure from a weak layer to a strong layer.
  • 15. 2. Friction Piles In this type of pile, the load of the building is transferred to a strong soil strata using skin friction along the length of the piles. This type of friction pile transfers the superstructure load of the building to the ground using the force of friction resistan between the surface of the pile and the adjacent ground. These types of pile foundations are commonly known as floating pile foundations. the friction pile can be designed to the required length.
  • 17. 3. Compaction Piles When the bearing capacity of the soil is low, the pile is driven into the soil for the purpose of increasing the bearing capacity. Piles drilled in this way are known as compaction piles. This type of compaction pile carries no load. So compaction pile can be made from any lightweight materials.
  • 19. 4. Tension Piles This type of tension pile is used to provide stability to the building and to resist hydrostatic pressure or the moment of overturning. This type of pile foundation is also called an uplift pile.
  • 20. 5. Anchor Piles Anchor pile is used to transfer compressive and tensile forces to bending moments on the ground safely. Anchor pile is suitable for offshore moorings, basements, and tunnels etc.
  • 21. 6. Fender Piles Fender piles are typically used to protect coastal structures from ships or other floating objects.
  • 22. 7. Sheet Piles This type of pile is used as bulkheads or as an impermeable cutoff for hydraulic structures to reduce seepage.This type of pile is used as retaining wall support for docks, wharves, and other marine structures.
  • 23. They are usually used to serve the following purpose- Construction of retaining walls. Protection from river bank erosion. Retain the loose soil around foundation trenches. For isolation of foundation from adjacent soils
  • 24.
  • 25. (B). Types of pile foundations depending on material and composition โ— Steel piles โ— Concrete piles โ— Timber piles โ— Composite Piles
  • 31. 4-Composite Piles The upper and lower portions of composite piles are made of steel and concrete or timber and concrete. This type of pile is used when the length of the pile required for adequate bearing exceeds the capacity of simple cast-in- place concrete piles. forming proper joints between two dissimilar materials is difficult, and for that reason, composite piles are not widely used.
  • 32. Conclusion Conclusion In many situations, neglecting cap resistance introduces inaccuracies of one hundred percent or more. There is a need for rational procedures for including cap resistance in the design of pilegroups to resist lateral loads. This research has made it possible to quantify many important aspects of pile group and pile cap behaviour under lateral loads due to wind, waves, and thermal expansions andcontractions of bridge decks.
  • 33. Reference Das , B.M . ( 1990 ). Priciples of foundation Engineering . 4th edition plus publishing CO . , Boston . View publication stats www.google.com www.wipedia.com From book by 'C Venkatramaiah' www.wikipedia.com