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Effect of tension softening on the performance of concrete structures: experimental, analytical and computational studies
Luleå tekniska universitet.
1998 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The tensile characteristics of concrete are usually neglected in the design of structures. The treatise discusses the important bearing these very characteristics have on the performance of different concrete structures. The investigations are supported by experiments, theoretical models and simulations by finite element methods. The following structures are studied: thick-walled concrete rings subjected to inner pressure, tensioned rebars embedded in concrete prisms and fullscale reinforced concrete beams under flexural loading. A hierarchic approach is adopted meaning that for the analysis of the beams, the results of the reinforced concrete prisms are used as constitutive law. In turn, for modelling the behaviour of the prism, the characteristics of the rebar and concrete are used as input. Being based on a mechanical foundation rather than empirical, this approach enables to consider how the behaviour of a structure will alter if its constituents are e g exposed to environmental effects. It offers great prospect for development of new materials and guidelines for design of durable reinforced concrete structures.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 1998. , 166 p.
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544 ; 1998:21
Research subject
Structural Engineering
URN: urn:nbn:se:ltu:diva-17110Local ID: 1ae7aa40-8231-11db-aabe-000ea68e967bOAI: diva2:990106
Godkänd; 1998; 20061123 (haneit)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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