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Ultimate Limit state design of retaining walls with numerical methods

Katsigiannis, G; Ferreira, PMV; Fuentes, R; (2014) Ultimate Limit state design of retaining walls with numerical methods. Presented at: 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands. Green open access

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Abstract

This paper presents a comparison between the results obtained from simple empirical methods, and full FE using Eurocode 7 (EC7) for the design of supported excavations. It shows the influence of the current different EC7 implementation strategies for the use of partial material factors when using Design Approach 1, both for Combination 1, where the action effects are factored at the end of the calculations, and also for Combination 2, where the soil strength parameters need to be factored and procedures are less clear. The influence of different factors in the results is highlighted for structural forces in cantilever and supported walls with increasing excavation depth and number of props. It shows the differences in prop loads obtained from FEM and empirical approaches and illustrates the difficulties that designers face when using EC 7.

Type: Conference item (UNSPECIFIED)
Title: Ultimate Limit state design of retaining walls with numerical methods
Event: 8th European Conference on Numerical Methods in Geotechnical Engineering
Location: Delft, The Netherlands
Dates: 2014-06-18 - 2014-06-20
Open access status: An open access version is available from UCL Discovery
Language: English
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1436751
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