Advisory Center for Affordable Settlements & Housing

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Document Type General
Publish Date 24/07/2019
Author Marijana Serdar, Dubravka Bjegovic, Nina Štirmer, Ivana Banjad Pecur
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Edited By Saba Bilquis
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Alternative Binders for Concrete: Opportunities and Challenges

Worldwide estimated over 25 billion tons of concrete used per year in the traditional concrete industry is based on the linear model which is large amounts of non-renewable resources are utilized during production. The global population is expected to reach between 8.3 and 10.9 billion by 2050 &  rapid growth in population generates increased demand for clean water, air, land, housing, and infrastructure. There is a strong motivation to develop more sustainable construction solutions with a lower environmental impact. Alternative materials shell be used in sustainable concrete structures are predominantly industrial by-products in the form of finely crushed material added as a partial replacement to cement. We know that some other materials like fly ash, arc furnace slag, silica dust, and metakaolin maybe help full in the construction industry.

Rapid population growth and urbanization have entailed a strong motivation to develop more sustainable construction solutions in line with the 7th basic requirement for construction works – sustainable use of natural resources. One of the strategies is to use materials available in abundant quantities as a partial replacement for cement or to create alternative binders for concrete. The aim of the paper is to provide an overview of the current state of the art in the field of alternative binders for concrete and to point to the opportunities and challenges for their more systematic application in engineering practice. The state-of-the-art review is connected to scientific projects currently undertaken at the Department of Materials, Faculty of Civil Engineering University of Zagreb, Croatia.

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