Numerical investigation of soil nail wall during construction

Arash Olia, Jinyuan Liu

In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering

Session: Retaining Walls

ABSTRACT: This paper presents a numerical investigation on the behaviour of a soil nail wall during the different stages of construction. Soil nailing is an effective reinforcing system for top-down construction of retaining structures. A well-known case in Germany is used in this study. By comparing the nail load development and distribution with field measurement, it is found that the two-dimensional finite element method can provide a reliable modeling of three-dimensional soil nailing construction in the field.

RÉSUMÉ: Ce document présente une recherche numérique sur le comportement d'un mur d'ongle de sol pendant les différentes étapes de l'excavation. Le clouement de sol est un système de renfort efficace pour la construction de haut en bas de maintenir des structures. Un cas bien connu en Allemagne est employé dans cette étude. En comparant le développement et la distribution de charge d'ongle à la mesure sur le terrain, on le constate que la méthode d'élément fini bidimensionnelle peut fournir une modélisation fiable du sol tridimensionnel clouant la construction dans le domaine.

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