Use of tire derived aggregate in tunnel cut-and-cover

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Título:	Use of tire derived aggregate in tunnel cut-and-cover
Autor/a:	Medina Rodríguez, Luis; Arroyo Alvarez de Toledo, Marcos; Martín Cano, Miguel
Otros autores:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental; Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
Abstract:	A case-history is reported in which tire derived aggregate (TDA) was successfully applied to reduce the weight of fill upon a cut-and-cover railway tunnel. Subsequent 3D numerical analyses are used to explore the effect of different assumptions about the constitutive model of the TDA material. Alternative dispositions of TDA around the tunnel section are also examined. Reductions of up to 60% in lining bending moment may be achieved. For the case analyzed the elastic description of the TDA has little influence on tunnel lining loads, although is important for fill settlement estimates.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Túnels i excavacions -Tunnels--Design and construction -Tires--Recycling -End-of-use tires -TDA -monitoring -numerical modelling -tunnels -Túnels -- Disseny i construcció -Pneumàtics -- Reciclatge
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Tipo de documento:	Artículo - Versión presentada Artículo
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