Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Performance of high-grade concrete with full substitution of aggregates by recycled concrete
On the background of the need for reuse of building rubble and the saving of natural resources, a European Union research project was performed covering concrete technology and durability aspects. A very special precondition was the use of large scale processed building rubble with unknown origin and the total replacement of aggregates above 2 mm. Comprehensive tests were carried out, on the properties of the starting material from different processing plants and fresh concrete, particularly the interdependence of water addition and workability. Investigations on hardened concrete properties included strength development, creep and shrinkage, modulus of elasticity, capillary absorption, freezing and thawing resistance, and carbonation behavior over a long period. The results demonstrate that the industrial production of a high grade, durable concrete is possible. The project is a promising contribution for sustainable development.
Performance of high-grade concrete with full substitution of aggregates by recycled concrete
On the background of the need for reuse of building rubble and the saving of natural resources, a European Union research project was performed covering concrete technology and durability aspects. A very special precondition was the use of large scale processed building rubble with unknown origin and the total replacement of aggregates above 2 mm. Comprehensive tests were carried out, on the properties of the starting material from different processing plants and fresh concrete, particularly the interdependence of water addition and workability. Investigations on hardened concrete properties included strength development, creep and shrinkage, modulus of elasticity, capillary absorption, freezing and thawing resistance, and carbonation behavior over a long period. The results demonstrate that the industrial production of a high grade, durable concrete is possible. The project is a promising contribution for sustainable development.
Performance of high-grade concrete with full substitution of aggregates by recycled concrete
Meinhold, U. (Autor:in) / Mellmann, G. (Autor:in) / Maultzsch, M. (Autor:in)
2001
12 Seiten, 5 Bilder, 1 Tabelle, 9 Quellen
Aufsatz (Konferenz)
Englisch
Performance of High-Grade Concrete with Full Substitution of Aggregates by Recycled Concrete
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