Influence of tension cut-off on the stability of anchored concrete soldier-pile walls in clay

Authors: Antão, Armando N.; Guerra, Nuno M.d.a.C.o.s.t.a.; Matos Fernandes, Manuel; Cardoso, António S.

Source: Canadian Geotechnical Journal, Volume 45, Number 7, July 2008 , pp. 1036-1044(9)

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Abstract:

A previous paper studied the stability of soldier-pile walls in clay under vertical loading using upper bound analyses. A classical Tresca yield criterion was assumed in that analysis. This paper extends that study by considering a tension truncated Tresca yield criterion in an upper bound numerical analysis of the problem. It shows that assuming zero tension soil strength has a significant influence on the values of the minimum soldier-pile resistance required to ensure stability.

Dans un article antérieur, on a étudié la stabilité de murs de pieux verticaux dans l'argile soumis à un chargement vertical au moyen d'analyses à la limite supérieure. On a alors supposé le critère de rupture classique de Tresca. Cet article poursuit cette étude en considérant le critère de rupture de Tresca tronqué en traction dans une analyse numérique de limite supérieure du problème. Cette étude montre qu'en supposant qu'il n'y a pas de traction dans la résistance du sol, cette supposition a une influence significative sur les valeurs de la résistance minimale des pieux verticaux requise pour garantir la stabilité.

Document Type: Research article

Publication date: 2008-07-01

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Published since 1963, this monthly journal features articles, notes, and discussions related to new developments in geotechnical and geoenvironmental engineering, and applied sciences. The topics of papers written by researchers, theoreticians, and engineers/scientists active in industry include soil and rock mechanics, material properties and fundamental behaviour, site characterization, foundations, excavations, tunnels, dams and embankments, slopes, landslides, geological and rock engineering, ground improvement, hydrogeology and contaminant hydrogeology, geochemistry, waste management, geosynthetics, offshore engineering, ice, frozen ground and northern engineering, risk and reliability applications, and physical and numerical modelling. Papers on actual case records from practice are encouraged and frequently featured.
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Influence of tension cut-off on the stability of anchored concrete soldier-pile walls in clay

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