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Shear transfer capacity along pumice aggregate concrete and high-performance concrete interfaces

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Abstract

This paper aims to present an experimental investigation on the behaviour of interfaces between pumice LWAC (lightweight aggregate concrete) and HPC (high-performance concrete-high-strength and fibre-reinforced), typically found in the faces and core, respectively, of hybrid precast structural sandwich panels. The evaluation of the experimental data resulted in the derivation of a semi-empirical relationship that relates the interface strength with materials strength, interface geometry and loading parameters. A brief overview of existing shear friction theories and proposed relationships, as well as a somparison among existing models and that proposed by the authors, are also outlined in the paper.

Résumé

Cet article décrit une recherche expérimentale sur le comportement des interfaces face-noyau qui existent au niveau des panneaux sandwich structurels, hybrides et préfabriqués, composés de faces en béton de haute pression (renforcé par des fibres) et un noyau en béton aux agrégats légers (de la pierre ponce). L'évaluation des données expérimentales a abouti à la dérivation d'une relation semiempirique qui établit un rapport entre la puissance des matériaux, la géométrie de l'interface et les paramètres de la charge. Une brève description des théories existantes du cisaillement-frottement et des relations proposées, ainsi qu'une comparaison parmi les modèles existants, dont celui proposé par les auteurs, sont aussi présentées.

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Authors and Affiliations

  1. Dept. of Civil Engineering, University of Patras, 26500, Patras, Greece

    C. G. Papanicolaou & T. C. Triantafillou

Authors
  1. C. G. Papanicolaou
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  2. T. C. Triantafillou
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Editorial Note Prof. Thanasis C. Triantafillou is a RILEM Senior Member.

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Papanicolaou, C.G., Triantafillou, T.C. Shear transfer capacity along pumice aggregate concrete and high-performance concrete interfaces. Mat. Struct. 35, 237–245 (2002). https://doi.org/10.1007/BF02533085

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  • DOI: https://doi.org/10.1007/BF02533085

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