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A platform for research: civil engineering, architecture and urbanism
Durability model for AR-glass fibres in textile reinforced concrete
Abstract Textile reinforced concrete (TRC) is an innovative material for thin-walled, structural elements with a high load-bearing capacity. For a safe design of TRC load bearing structures comprehensive investigations were carried out to predict the time-dependent loss in strength of the AR-glass reinforcement embedded in fine grained concrete as a consequence of weathering. The present work describes two different approaches to calculate the amount of strength loss of the reinforcement as a function of material, humidity and temperature. Both models, however, do not take into account outdoor weathering of TRC components which leads to a strength loss that is too high to be realistic. One of these approaches is combined with the component temperature and humidity constantly measured during outdoor weathering to derive a basis for a durability model which can take into account arbitrarily complex weathering. Consequently, this work presents the basis for a quantitative prognosis of the loss in strength of AR-glass reinforcement in TRC adapted to the respective material and weathering conditions.
Durability model for AR-glass fibres in textile reinforced concrete
Abstract Textile reinforced concrete (TRC) is an innovative material for thin-walled, structural elements with a high load-bearing capacity. For a safe design of TRC load bearing structures comprehensive investigations were carried out to predict the time-dependent loss in strength of the AR-glass reinforcement embedded in fine grained concrete as a consequence of weathering. The present work describes two different approaches to calculate the amount of strength loss of the reinforcement as a function of material, humidity and temperature. Both models, however, do not take into account outdoor weathering of TRC components which leads to a strength loss that is too high to be realistic. One of these approaches is combined with the component temperature and humidity constantly measured during outdoor weathering to derive a basis for a durability model which can take into account arbitrarily complex weathering. Consequently, this work presents the basis for a quantitative prognosis of the loss in strength of AR-glass reinforcement in TRC adapted to the respective material and weathering conditions.
Durability model for AR-glass fibres in textile reinforced concrete
Orlowsky, J. (author) / Raupach, M. (author)
Materials and Structures ; 41 ; 1225-1233
2007-10-11
9 pages
Article (Journal)
Electronic Resource
English
Durability model for AR-glass fibres in textile reinforced concrete
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