Pile Foundations: Their Advantages and Disadvantages

The pile base is a substantial foundation. Steel, concrete, and wood are used to build these piles. The length of a pile is four times its width. Piles are located vertically within the earth. The main advantages of pile foundation are their high load capacities and corrosion resistance. Another downside of pile foundations is the presence of acids, which can weaken concrete and cause salt water reactions.

How Pile Foundation Works

Piles can be made of metal, concrete, or wood. Pre – cast concrete piles can be used on the building site or in a production facility. When placing the pile foundations, the piles are driven into the ground vertically or even at a fixed angle to the vertical. A pile hammer is used to drive piles into the ground, displacing soil in an equivalent amount to the pile’s mass.

The soil around the piles compacts as dislodged soil particles push themselves into neighbouring spaces in the mass of soil, causing the surrounding mass of soil to densify. A compaction pile is a pile that is used to cement the soil around it. The pressure generated by the surrounding mass of compacted soil increases the bearing ability of a precast pile.check more pile information at The Architecture Designs

The soil around the pile cannot densify due to the weak drainage qualities of saturated, cohesive, or silty soil. The displaced soil particles are unable to enter the void spaces due to the water in the pores. When the pile is driven into the earth, this action causes stress in the mass of soil next to it. And the stresses are purely the product of the water trapped in the pores. As a result, the bearing capacity of the soil surrounding the pile is reduced by pore water pressure.

The soil around the piles has remoulded and will lose some structural strength as a result. When a pile is driven in silty, cohesive, or saturated soils, the bearing strength of the soil is reduced. However, when disrupted soil particles reorient (a process known as thixotropy), the remoulded soil can recover its lost strength over time. Which is caused by the mass’s consolidation.

Types of Pile Foundation

 There are only three kinds of piles, but it contains two of them. The following are the five piles:

  • Timber pile
  • Concrete piles:-
  • Steel pile
  • Friction pile
  • Taped pile

Timber Pile : A pile foundation made of tree wood about 30 cm in diameter is used as a heap, the trunk should be strong, durable and straight.

Concrete pile: For deep foundations, concrete pile foundations are widely used; these piles are either pre-cast concrete piles or reinforced cast-in-situ piles.

Steel pile: Steel pile foundations seems to be in the form of a rolled steel section, a conical shape, or a sheet pile.

Friction pile: Friction piles are pile foundations that transfer the load only through the skin resistance without any end bearing.

Taped pile: Taped piles are pile foundations with an ems portion at the bottom that are used to increase the density of the subsoil by pushing these piles into loose soil.Tapped piles are also known as compiled piles.

Pile Foundation Advantage And Disadvantage

There are some advantages and disadvantages of pile foundation

Advantages Of Pile Foundation

  • The pile is pre-ordered based on the specifications.
  • The pile’s length, width, and height can be pre-determined based on the site’s needs.
  • Precast is a method of minimising completion time.
  • Can be installed over a wide area.
  • Long lengths of cable can be installed.
  • We can use piles in places where drilling and holes are not permitted.
  • The pile’s work is very tidy and clean.


Disadvantages of Pile Foundation

  • Precast concrete piles require adequate reinforcement to withstand transport stresses.
  • Sufficient preparation is required for the pile to be handled properly when driven into the dirt.
  • The method of driving piles necessitates the use of heavy machinery.
  • Since determining the required length of the pile in advance is difficult, the procedure will involve the addition of more lengths or the cutting off of the excess, which raises the project expense.The piles are not ideal for poorly drained soils. If the driving is correctly planned and phased, the soil may heave or an existing drive pile may pop up as the new one is pushed in.
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