Numerical investigation into the effect of cavity size and location on stability of earth dams

Alateya, H and Ahangar Asr, A ORCID: 0000-0002-8210-7519 2017, Numerical investigation into the effect of cavity size and location on stability of earth dams , in: 25th UKACM Conference on Computational Mechanics, 12 –13 April 2017, University of Birmingham, Birmingham, United Kingdom.

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Abstract

Numerical investigations performed to study the effect of the presence of cavities on stability of slopes considering rapid draw down conditions. The aim of the investigation is was to study the influence of different factors (such as diameter and location of the cavities in horizontal and vertical directions). Numerical models were used to estimate slope stability of earth dam considering the effect of cavities in subsoil using PLAXIS 2D software. The results of the analysis indicated that the presence of cavities decreases the stability of upstream facer extremely for all considered locations for the cavities in both directions (horizontal and vertical). The numerical results also demonstrated that increasing the size of cavities lead to decreasing the value of safety factor, until it drops to values less than the required value for the earth dam under rapid drawdown conditions to be considered stable.

Item Type: Conference or Workshop Item (Paper)
Schools: Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
Journal or Publication Title: Proceedings of the 25th UKACM Conference on Computational Mechanics
Publisher: University of Birmigham, UK
Related URLs:
Depositing User: Dr Alireza Ahangar Asr
Date Deposited: 08 Dec 2017 15:42
Last Modified: 18 Jan 2018 15:36
URI: http://usir.salford.ac.uk/id/eprint/44569

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