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Eingeladener Vortrag
- nein (91)
Es wurden Doppelring-Biegeversuche an quadratischen Proben mit 30 cm Seitenlänge, Biegeversuche bei zweiseitiger Auflagerung nach DIN 52303 Teil 1 und Doppelring- Biegeversuche nach DIN 5229 Teil 2 an 6 mm und 10 mm dickem, vorgespanntem und nicht vorgespanntem Flachglas durchgeführt, Die statistische Auswertung aller Prüfserien erfolgte nach üblichen Verteilungsfunktionen wie Normal-, Lognormal- und Weibullverteilung.
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 wor ability. Investigations on hardened concrete properties included strength devel-opment, 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 hight-grade concrete with full substitution of aggregates by recycled concrete
(2002)
Studies on the durability of polymer modified cement concrete for the repair of concrete structures
(1988)
Beton-Instandsetzung
(1988)
Betonersatzsysteme
(1987)
Instandsetzungssysteme
(1987)
The search for durable and sustainable construction materials inspires the developments in the world of cement concrete, as well as in the world of concretepolymer composites. Both worlds recognize, strive for and accept each others contribution to the synergetic effects that are realized by the combination of classical building materials and polymers. A better knowledge of materials behaviour, especially in the field of admixtures, and a better understanding of curing processes allowed the development of highly performing mineral or modified mineral concretes, mortars and grouts. CPC-science becomes an invaluable element in the development of sustainable construction materials. ICPIC brings together practitioners and scientists, dealing with concretepolymer composites in all industrial fields, but with emphasis on construction industry. The 11th International ICPIC Congress took place in Berlin, 24th June 2004. New trends and evolutions have been presented and discussed. The highlights of the Congress, and the synergies for the construction world that emerge from this congress on polymers in concrete in combination with cement concrete, are presented.