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Basic principles, design principle andpotentials for clinker reduction in concrete

Ecological concretes for the manufacture of reinforced concrete structural elements - Part 1


This article is intended to demonstrate possible ways to meet the ever increasing social and economic requirements for the environmental compatibility of building products for the concrete construction method. Particular attention will be paid to the global environmental effects associated with the manufacture of concrete, such as CO2 emissions or the greenhouse warming potential. The article consists of two parts, wherein the first part initially conveys current developments in the field of sustainable and environmentally friendly construction and, in doing so, illustrates the influence of concrete. That is followed by a presentation of the two-stage principle for the development of clinkerreduced ecological concretes elaborated at the TU Darmstadt. The results of material tests clearly show the great potential of the reduction of clinker. The results of a sustainability-orientated concrete development adapted to the industrial manufacture of steel reinforced precast concrete elements will be presented in the second part of the article in CPI issue 6/2011. The performance of the ecological concretes will be compared with the characteristics of the conventional reference concretes. Finally, there will be an assessment of the environmental compatibility and economy of the ecological concretes developed.

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Technische Universität Darmstadt
Institut für Massivbau
Petersenstraße 12 · 64287 Darmstadt, Germany
www.massivbau.to · www.oekobeton.de

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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