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Volume 8 | Issue 1

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Paper Title: A Critical Review on Foundations in Expansive Soils
Authors Name: Sruthi Obulreddy , Dr. T. Krian Kumar
Unique Id: IJSDR1902004
Published In: Volume 4 Issue 2, February-2019
Abstract: In India, the percent of the black cotton soil found in total soil deposition is almost 15%.This type of land is found in many other countries of the world. Black cotton soil is very troublesome and problematic and hazardous due to its characteristics. Because of its high swelling and shrinkage characteristics, the black cotton soil has been a challenge to the Engineers . The black cotton soil is very hard when dry but loses its strength completely when in wet condition. Soil deposits in nature exist in a extremely erratic manner producing there by a infinite variety of possible combination which will affect the strength of the soil and the procedure to make it purposeful. Swelling and shrinkage of expansive soil cause deferential settlement resulting in severe damage to the foundation, buildings, roads, retaining structures and canal linings. If the building settles more, then it may become the reason for the failure of a building or a house more particularly in case of load bearing structures. Hence it is necessary in such soils, either to place the foundation at such a depth where the effects of seasonal changes are not important or to make the foundation capable of eliminating the undesirable effects due to relative movement by either providing flexible type of construction or rigid foundations. Adequate load counteraction swelling pressures also provide satisfactory foundation. Thus, resting the foundations of the building on the black cotton soil is a very challenging job. Swelling creates upwards pressure on the structure and shrinkage creates downward pull. It results into cracks in foundations wall and roof. Hence foundation in black cotton soil need special care. This paper will discuss on study about soil type, study about types of foundations, study about suitability of foundations, comparison of foundations.
Keywords: Expansive soils,Foundations
Cite Article: "A Critical Review on Foundations in Expansive Soils", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.4, Issue 2, page no.13 - 18, February-2019, Available :http://www.ijsdr.org/papers/IJSDR1902004.pdf
Downloads: 000201506
Publication Details: Published Paper ID: IJSDR1902004
Registration ID:190068
Published In: Volume 4 Issue 2, February-2019
DOI (Digital Object Identifier):
Page No: 13 - 18
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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