Stability of granite drystone masonry retaining walls / L. R. Alejano in Géotechnique, Vol. 62 N° 11 (Novembre 2012)  

Public ISBD [article]  inGéotechnique > Vol. 62 N° 11 (Novembre 2012) . - pp. 1013 –1025 Titre : Stability of granite drystone masonry retaining walls : I. Analytical design Type de document : texte imprimé Auteurs : L. R. Alejano, Auteur ; M. Veiga, Auteur ; J. Taboada, Auteur Année de publication : 2012 Article en page(s) : pp. 1013 –1025 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Limit equilibrium methods Design Retaining walls Résumé : A limit-equilibrium-based technique is proposed for the design and analysis of drystone masonry retaining walls, focusing particularly on granite walls as traditionally constructed in Galicia in northwest Spain. To date, walls have typically been designed on the basis of past experience and rigid wall approaches. The method presented analyses wall stability, at different heights associated with block rows, against sliding and against two overturning mechanisms. As a result, design widths are obtained for different wall depths. The method can also be applied to estimates of the stability of existing walls with known dimensions and properties. The analytical method was applied experimentally to the design of a 20 m high wall. A sensitivity analysis of the design was also performed, with results presented in the form of a spider diagram. Estimates of the most relevant parameters for this type of design and some back-analyses to assess the technique are addressed in an accompanying paper. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.10.P.112 [article] Stability of granite drystone masonry retaining walls : I. Analytical design [texte imprimé] / L. R. Alejano, Auteur ; M. Veiga, Auteur ; J. Taboada, Auteur . - 2012 . - pp. 1013 –1025. Génie Civil Langues : Anglais (eng) in Géotechnique > Vol. 62 N° 11 (Novembre 2012) . - pp. 1013 –1025 Mots-clés : Limit equilibrium methods Design Retaining walls Résumé : A limit-equilibrium-based technique is proposed for the design and analysis of drystone masonry retaining walls, focusing particularly on granite walls as traditionally constructed in Galicia in northwest Spain. To date, walls have typically been designed on the basis of past experience and rigid wall approaches. The method presented analyses wall stability, at different heights associated with block rows, against sliding and against two overturning mechanisms. As a result, design widths are obtained for different wall depths. The method can also be applied to estimates of the stability of existing walls with known dimensions and properties. The analytical method was applied experimentally to the design of a 20 m high wall. A sensitivity analysis of the design was also performed, with results presented in the form of a spider diagram. Estimates of the most relevant parameters for this type of design and some back-analyses to assess the technique are addressed in an accompanying paper. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.10.P.112

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