A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Relevance of laboratory tests to field applications of calcium aluminate cement concretes
In all areas of concrete technology questions are being increasingly posed as to the relevance of so called 'labcrete' to concrete made in the field. Calcium aluminate cements (CACs) have several unique features which make such questions especially pertinent for concrete made from such materials. These includes the change in the nature of the hydrates formed with temperature and the substantial self-heating associated with the rapid hydration. This paper presents a range of studies which have been carried out to establish laboratory scale casting and testing regimes representative of concrete in full-scale sections. To study mechanical strength developments, an approach has been developed which includes: i) modelling the heat evolution profile in a mass of CAC concrete, ii) development of an insulated mould to simulate the curing process in large masses of concrete, iii) comparison of strength development under realistic and isothermal curing regimes.
Relevance of laboratory tests to field applications of calcium aluminate cement concretes
In all areas of concrete technology questions are being increasingly posed as to the relevance of so called 'labcrete' to concrete made in the field. Calcium aluminate cements (CACs) have several unique features which make such questions especially pertinent for concrete made from such materials. These includes the change in the nature of the hydrates formed with temperature and the substantial self-heating associated with the rapid hydration. This paper presents a range of studies which have been carried out to establish laboratory scale casting and testing regimes representative of concrete in full-scale sections. To study mechanical strength developments, an approach has been developed which includes: i) modelling the heat evolution profile in a mass of CAC concrete, ii) development of an insulated mould to simulate the curing process in large masses of concrete, iii) comparison of strength development under realistic and isothermal curing regimes.
Relevance of laboratory tests to field applications of calcium aluminate cement concretes
Fryda, H. (author) / Scrivener, K.L. (author) / Chanvillard, G. (author) / Feron, C. (author)
2001
20 Seiten, 17 Bilder, 3 Tabellen, 10 Quellen
Conference paper
English
Calciumaluminatzement , Beton , Laborversuch , Feldversuch , Prüfzuverlässigkeit , Temperatureinfluss , Hydrat , mineralogische Zusammensetzung , Erwärmung , Wasserabbinden von Zement , mechanische Festigkeit , Erhärten (Zementabbinden) , Wärmeerzeugung , Wärmeentwicklung , Isolierschicht , Gießform , Simulation , isotherme Bedingung
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