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Abstract
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Article Information:
Foundations on Expansive Soils; A Review
Behzad Kalantari
Corresponding Author: Behzad Kalantari
Submitted: December 27, 2011
Accepted: January 31, 2012
Published: September 15, 2012 |
Abstract:
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This study describes various types of foundation designs to be considered for structural engineering
projects when the subsoil foundation consists of expansive or swelling soils. Among civil and architectural
engineers expansive soils are known to be difficult foundation materials and problematic. These type of soils
swell when they are subjected to moistures and shrink due to moisture loss. Because of this different behaviour
upon wetting and drying, they cause minor to major structural damages to pavements as well as buildings.
Every year millions of dollars spent dealing with the consequences of swelling soils. For design of foundations
on swelling soil, it is first essential to recognize and evaluate the soil based on its swelling potential, and then
determining the most proper foundation design that can be constructed on this problematic soil. In general, this
study presents some of the most common techniques to evaluate the swelling potential of expansive soils. Also,
it discusses problems associated with swelling soil, classification of structural damages caused to buildings,
and various foundation designs to combat the problems based on the degree of detrimental effects of swelling
potential to civil engineering projects.
Key words: Atterberg limits, expansive soils, shallow and deep foundations, structural damages, swelling potential, ,
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Cite this Reference:
Behzad Kalantari, . Foundations on Expansive Soils; A Review. Research Journal of Applied Sciences, Engineering and Technology, (18): 3231-3237.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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