University of Khartoum

Foundations on Expansive Soils: Performance Evaluation and Prediction of Behaviour of Some Expansive Soils in Sudan

Foundations on Expansive Soils: Performance Evaluation and Prediction of Behaviour of Some Expansive Soils in Sudan

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Title: Foundations on Expansive Soils: Performance Evaluation and Prediction of Behaviour of Some Expansive Soils in Sudan
Author: Hamadto,Mohamed Elfatih Mukhtar
Abstract: The aim of this study is first to assess the performance of different foundation types on expansive soils in Sudan and to try to suggest suitable solutions for the problem. The second objective of the study is to investigate parameters that are thought to affect the swell potential of expansive soils The total heave was studied in the field and in the laboratory A literature review was read on the subjects related to the objectives of the present study Field surveys were conducted on two locations situated in the expansive soil area in Sudan. Observed data included size of cracks, layout of buildings, foundation type, age of building and subsoil information The patterns of cracks associated with different foundation movements were outlined and discussed. An experiment on honey-combed type of foundation was carried out; the results showed that this type of foundation is superior to the traditional strip foundation. It was found that the shrinkage index (LL-SL) and the clay content less than 0.002 mm are the two important parameters involved in the classification of swell potential. A method based on these was Parameters, for the classification of swell potential of expansive soils in Sudan was advanced and theoretical means for the prediction of total heave in the field were also advanced. The findings of this study were discussed and compared with findings of other investigators.
URI: http://khartoumspace.uofk.edu/handle/123456789/14287
Date: 2015-06-23


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