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2014 | OriginalPaper | Chapter

https://static-content.springer.com/image/chp%3A10.1007%2F978-3-319-05050-8_18/MediaObjects/319773_1_En_18_Figa_HTML.gif Experimental Modelling of Seepage in a Sandy Slope

Authors : Binod Tiwari, Adam Lewis

Published in: Landslide Science for a Safer Geoenvironment

Publisher: Springer International Publishing

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Abstract

Rainfall-induced shallow landslides cause significant damage to infrastructure every year. Among the major causes of shallow landslides is an increase in degree of saturation with rainfall. Partially saturated slopes have high factors of safety due to the apparent cohesion induced by soil suction. In this study, sandy soil was used to prepare slopes with four different angles of inclination and two different void ratios. Utilizing a rain simulator, the slopes were provided with different intensities and durations of rainfall, ranging from 30 mm/h to 240 mm/h. The movement of the water front was recorded during the rainfall at an interval of 5 min. The experimentally recorded values for the depth of water front with time was used to develop relationships between the velocity of seepage, void ratio and angle of inclination of the sandy slope. The proposed equations can be utilized to evaluate the stability of sandy slopes during rainfall.

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Metadata
Title
Experimental Modelling of Seepage in a Sandy Slope
Authors
Binod Tiwari
Adam Lewis
Copyright Year
2014
DOI
https://doi.org/10.1007/978-3-319-05050-8_18