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Chemical Stabilization of Soils

by Ash Leave a Comment

In chemical stabilization, soil is stabilized by adding different chemicals. The main advantage of chemical stabilization is that setting time and curing time can be controlled. Chemical stabilization is however generally more expensive than other types of stabilization.

Factors Affecting Chemical Stabilization of Soils

Chemical soil stabilization is affected by some chemical materials as this process is controlled by them.

  • The quantity of Calcium Chloride required is about 0.5% of the total weight of the soil.
  • Sodium Chloride is required about 1% of the total soil weight.
  • Coagulating chemicals have been used to improve the permeability of the soil.
  • The quantity of chemicals  required varies from 0.1 – 0.2% of the weight of the soil.

 

Advantages of Chemical Stabilization of Soil

The advantages of chemical soil stabilization is listed below.

  • In this stabilization method, setting time and curing time can be controlled.
  • It gives more strength to soils.
  • The compacted density of the soil is increased.
  • Chemical stabilization improves the permeability of soil.

 

Disadvantages of Chemical Stabilization

The disadvantages are-

  • This method of stabilization is relatively expensive than the other stabilization methods.
  • The treated soil may loose strength when exposed to air or ground water.
  • Require extra experienced labor.
  • In chemical soil stabilization, chemical should not be used directly to the surface.

Filed Under: soil Tagged With: soil stabilization

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