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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fracture properties of lightweight concrete
This study presents the experimental results of fracture properties of concrete incorporating two kinds of domestic lightweight aggregate (LWA) manufactured through either a cold-bonding or sintered process. The cold-bonded aggregates were mainly made of pulverized fly-ash through a cold-pelletization process at ambient temperature, while the sintered aggregates were made of clay and shale expanded by heat at a temperature near 1200 degrees C. Experimental results show that the 28-day compressive strengths of 100 x 200 mm cylindrical concrete specimen made of those LWAs range from 30.1 (sintered) to 33.9 MPa (cold-bonded). By means of size-effect law, it is found that the fracture energies, G(f), were 34.42 N/m (sintered) and 37.2 N/m (cold-bonded), respectively.
Fracture properties of lightweight concrete
This study presents the experimental results of fracture properties of concrete incorporating two kinds of domestic lightweight aggregate (LWA) manufactured through either a cold-bonding or sintered process. The cold-bonded aggregates were mainly made of pulverized fly-ash through a cold-pelletization process at ambient temperature, while the sintered aggregates were made of clay and shale expanded by heat at a temperature near 1200 degrees C. Experimental results show that the 28-day compressive strengths of 100 x 200 mm cylindrical concrete specimen made of those LWAs range from 30.1 (sintered) to 33.9 MPa (cold-bonded). By means of size-effect law, it is found that the fracture energies, G(f), were 34.42 N/m (sintered) and 37.2 N/m (cold-bonded), respectively.
Fracture properties of lightweight concrete
Brucheigenschaften von Leichtbeton
Shang, T.P. (Autor:in) / Shieh, M.M. (Autor:in)
Cement and Concrete Research ; 26 ; 181-188
1996
8 Seiten, 8 Bilder, 2 Tabellen, 11 Quellen
Aufsatz (Zeitschrift)
Englisch
Beton , Flugasche , Pulver , Bestandteil , Hochtemperatur , Sintern , Korrelation , Umgebungstemperatur , Pressling , Dauer , Druckbeanspruchung , Druckfestigkeit , Probenpräparation , Materialbruch , Energie , Einflussgröße , Oberfläche , Feuchtigkeit , Absorption , Elastizität , Kaltpressen
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