Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Quality assurance and quality control of air entrained concrete
It is generally recognized that the air void structure of concrete is a critical parameter for the durability of concrete subjected to frost/thaw action and deicing salts. In the firs part of this article an overview is given of the different methods characterizing the air-void structure in fresh and hardened concrete. The calculaion of the parameters from a traditional air-void analysis following ASTM C 457 is compared with more advanced calculation methods on results obtained from point, chord, diameter and area measurements. A new parameter is formulated which characterizes the spacing between the air bubbles more precisely.
Quality assurance and quality control of air entrained concrete
It is generally recognized that the air void structure of concrete is a critical parameter for the durability of concrete subjected to frost/thaw action and deicing salts. In the firs part of this article an overview is given of the different methods characterizing the air-void structure in fresh and hardened concrete. The calculaion of the parameters from a traditional air-void analysis following ASTM C 457 is compared with more advanced calculation methods on results obtained from point, chord, diameter and area measurements. A new parameter is formulated which characterizes the spacing between the air bubbles more precisely.
Quality assurance and quality control of air entrained concrete
Qualtitätskontrolle und -sicherung luftausgesetzten Betons
Elsen, J. (Autor:in) / Lens, N. (Autor:in) / Vyncke, J. (Autor:in) / Aarre, T. (Autor:in) / Quenard, D. (Autor:in) / Smolej, V. (Autor:in)
Cement and Concrete Research ; 24 ; 1267-1276
1994
10 Seiten, 15 Quellen
Aufsatz (Zeitschrift)
Englisch
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