A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fiber-reinforced, high-performance mortars with high-alumina cement and silica fume
Mortar mixtures with high-alumina cement, silica fume, acrylic superplasticizer and metallic microfibers (length/diameter in mm = 13/0.18) were fabricated. The following properties were measured: water-cementitious material ratio at a given workability; compressive strength; fracture energy; thermal stability at high temperatures (50 deg C). The 28-day compressive strength is very high (about 150 MPA) when 5-10 % of silica fume is used independently of the superplasticizer dosage (0.5-1 %). The thermal stability is very high even in the absence of silica fume when the water-cementitious materials ratio is as low as 0.16. The fracture energy appears to be very high but it changes erratically from (20000 to 30000 Joule/m2) ant it is related to both the silica fume content and the superplasticizer dosage.
Fiber-reinforced, high-performance mortars with high-alumina cement and silica fume
Mortar mixtures with high-alumina cement, silica fume, acrylic superplasticizer and metallic microfibers (length/diameter in mm = 13/0.18) were fabricated. The following properties were measured: water-cementitious material ratio at a given workability; compressive strength; fracture energy; thermal stability at high temperatures (50 deg C). The 28-day compressive strength is very high (about 150 MPA) when 5-10 % of silica fume is used independently of the superplasticizer dosage (0.5-1 %). The thermal stability is very high even in the absence of silica fume when the water-cementitious materials ratio is as low as 0.16. The fracture energy appears to be very high but it changes erratically from (20000 to 30000 Joule/m2) ant it is related to both the silica fume content and the superplasticizer dosage.
Fiber-reinforced, high-performance mortars with high-alumina cement and silica fume
Faserverstärkter Hochleistungsmörtel mit aluminatreichem Zement und Mikrosilica
Collepardi, S. (author) / Monosi, S. (author) / Favoni, O. (author) / Collepardi, M. (author)
2001
9 Seiten, 6 Bilder, 3 Tabellen, 8 Quellen
Conference paper
English
Fiber-Reinforced, High-Performance Mortars with High-Alumina Cement and Silica Fume
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