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Paper 313 Bathurst et al final.pdfA numerical FLAC model was used to investigate the influence of vertical stiffness of the foundation on the performance of an idealized 6-m high reinforced soil modular block retaining wall. Three different Winkler linear spring values were used to simulate a rigid foundation and two compliant foundation cases. For each foundation condition, the influence of reinforcement material stiffness was also investigated. One material matched the properties of a relatively extensible polymeric geogrid product and the other a relatively inextensible welded wire mesh material with much higher stiffness but the same strength. The results of sim-ulations show that as foundation stiffness decreases, reinforcement loads increase. However, for the two rein-forcement materials in this study, the influence of axial stiffness of the reinforcement had a greater effect on wall performance than the foundation stiffness for walls subjected to operational (working stress) conditions at end of construction. 576.61 kBAdobe PDF Accés restringit

Citació: Bathurst, R.J. [et al.]. Influence of foundation compressibility on reinforcement loads in geosynthetic reinforced soil walls. A: European Geosynthetics Congress. "Proceedings of the 5th European Geosynthetics Congress: vol. 5: Soil Improvement and Reinforcement". València: International Geosynthetics Society (IGS), 2012, p. 43-47.
Títol: Influence of foundation compressibility on reinforcement loads in geosynthetic reinforced soil walls
Autor: Bathurst, Richard; Puig Damians, Ivan Veure Producció científica UPC; Ezzein, F.; Josa Garcia-Tornel, Alejandro Veure Producció científica UPC; Lloret Morancho, Antonio Veure Producció científica UPC
Editorial: International Geosynthetics Society (IGS)
Data: 2012
Tipus de document: Conference report
Resum: A numerical FLAC model was used to investigate the influence of vertical stiffness of the foundation on the performance of an idealized 6-m high reinforced soil modular block retaining wall. Three different Winkler linear spring values were used to simulate a rigid foundation and two compliant foundation cases. For each foundation condition, the influence of reinforcement material stiffness was also investigated. One material matched the properties of a relatively extensible polymeric geogrid product and the other a relatively inextensible welded wire mesh material with much higher stiffness but the same strength. The results of simulations show that as foundation stiffness decreases, reinforcement loads increase. However, for the two reinforcement materials in this study, the influence of axial stiffness of the reinforcement had a greater effect on wall performance than the foundation stiffness for walls subjected to operational (working stress) conditions at end of construction.
URI: http://hdl.handle.net/2117/16647
Apareix a les col·leccions:Altres. Enviament des de DRAC
MECMAT - Mecànica i Nanotecnologia de Materials d´Enginyeria. Ponències/Comunicacions de congressos
ETCG – Departament d’Enginyeria del Terreny, Cartogràfica i Geofísica. Ponències/Comunicacions de congressos
MSR - Mecànica del Sòls i de les Roques. Ponències/Comunicacions de congressos
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