Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Creep and drying shrinkage of high performance concrete
High performance concrete is generally specified to meet special requirements such as higher compressive strength, lower permeability, higher resistance to aggressive environments and longer durability. The design of structures must be based an the knowledge of all concrete properties and the determination of creep values of paramount importance in several cases. This paper presents the influence of water-cement ratio and level of hydration for concretes with compressive strengths ranging from 20 Mpa to 75 Mpa. Creep of four mixtures with water-cement ratios of 0.29, 0.37, 0.52 and 0.75 with 6 % of silica fume and a fixed slump was determined. Specimens were loaded at ages 3, 7, 28 and 90 days and maintained with a constant load for 90 days. Concrete testing included creep, compressive strength, modulus of elasticity, autogenous deformation and drying shrinkage.
Creep and drying shrinkage of high performance concrete
High performance concrete is generally specified to meet special requirements such as higher compressive strength, lower permeability, higher resistance to aggressive environments and longer durability. The design of structures must be based an the knowledge of all concrete properties and the determination of creep values of paramount importance in several cases. This paper presents the influence of water-cement ratio and level of hydration for concretes with compressive strengths ranging from 20 Mpa to 75 Mpa. Creep of four mixtures with water-cement ratios of 0.29, 0.37, 0.52 and 0.75 with 6 % of silica fume and a fixed slump was determined. Specimens were loaded at ages 3, 7, 28 and 90 days and maintained with a constant load for 90 days. Concrete testing included creep, compressive strength, modulus of elasticity, autogenous deformation and drying shrinkage.
Creep and drying shrinkage of high performance concrete
Kriechverhalten und Trockenschwindung von Hochleistungsbeton
Kalintzis, C.A.A. (Autor:in) / Kuperman, S.C. (Autor:in)
2002
16 Seiten, 10 Bilder, 6 Tabellen, 12 Quellen
Aufsatz (Konferenz)
Englisch
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