10Oct 2017

GEOTECHNICAL BEHAVIOUR AND TREATMENT OF VARIOUS EXPANSIVE SOIL OF RAJASTHAN.

  • Lecturer, Dept. of Civil Engineering, Govt. Polytechnic College, Jodhpur, Rajasthan, India.
  • Asst. Professor, Dept. of Civil Engineering, Jodhpur Institute of Engineering and Technology, Jodhpur, Rajasthan, India.
  • M.E. Scholar, Dept. of Civil Engineering, M.B.M. Engineering College, J.N.V. University, Jodhpur, Rajasthan, India.
  • Professor, Dept. of Civil Engineering, M.B.M. Engg. College, J.N.V. University, Jodhpur, Rajasthan, India.
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Expansive soils shrink and swell with wetting and drying. The shrink-swell capacity of expansive soilscan result in differential movement beneath foundations. Expansive soils are soils which swell on exposure to moisture. The occurrence of volume change in soil can cause severe damage to the structure. Irrespective of high swelling potential, if the moisture content of the clay remains unchanged, there will be no volume change, structures founded on clays with constant moisture content will not be subject to movement caused by heaving. When the moisture content of the clay is changed, volume expansion both in vertical and horizontal direction will take place. Complete saturation is not necessary to accomplish swelling, slight change of moisture content, in the magnitude of only 1 to 2 percent, is sufficient to cause detrimental swelling.Since the expansive soil is not best suited for construction thus it becomes necessary to improve its engineering properties and thus making it more stable. For this, use of CNS and MSM technologies is significant. Under-ream pile foundation should be used for construction on expansive soils. Lime is used most frequently in treatment of expansive soils. Fly-ash is also a good and cheap substitute for treatment of expansive soils if easily available in vicinity. The present research work in this paper is deals with the occurrence of expansive soil, damage to foundation from expansive soils, treatment of expansive soils, use of lime treatment effects on geotechnical behavior of expansive soils and finally the conclusion.

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[Puneet Hiranandani, Ankit Laddha, Sumer Singh and D. G. M. Purohit. (2017); GEOTECHNICAL BEHAVIOUR AND TREATMENT OF VARIOUS EXPANSIVE SOIL OF RAJASTHAN. Int. J. of Adv. Res. 5 (Oct). 420-427] (ISSN 2320-5407). www.journalijar.com

Puneet Hiranandani
Lecturer, Dept. of Civil Engineering, Govt. Polytechnic College, Jodhpur, Rajasthan, India

DOI:

Article DOI: 10.21474/IJAR01/5546      
DOI URL: https://dx.doi.org/10.21474/IJAR01/5546

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