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Published in:
2013 | OriginalPaper | Chapter
Retrogressive Slope Failures in Natural Slope: A Case Study
Authors : Che Hassandi Abdullah, Ghazali Hussin
Published in: Landslide Science and Practice
Publisher: Springer Berlin Heidelberg
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Abstract
A study has been carried out to investigate a slope in a granitic formation, that has been slowly but constantly moving since a small part near the toe of the natural slope was regraded in 1986 to make way for a road construction. Many scars on the slope surface suggest retrogressive failures have taken place. Investigation has been carried out to identify the causes and the extent of the failures so that an effective solution can be found. Site investigation with the geophysical procedures data shows the relatively shallow water table. Correlation between the pore pressure build up in the slope with the slope movements indicates that initiation of movement occurs quite consistently at a certain ground water level. The data gathered will be used to provide effective solutions to the slope movements and predict the quantum of the movements.