A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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. (author) / Shieh, M.M. (author)
Cement and Concrete Research ; 26 ; 181-188
1996
8 Seiten, 8 Bilder, 2 Tabellen, 11 Quellen
Article (Journal)
English
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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