Dear Colleagues,

Concrete production has been under pressure from public opinion for some decades because of the high level of CO2 emissions associated with it. As a consequence, governmental authorities have been taking some practical measures to make the industry more eco-friendly. For instance, the 2015 Paris Agreement on climate change imposed to the cement industry a reduction on CO2 emissions of at least 16 per cent by 2030. This pressure really forces the cement industry to intensify the search for new alternative production technologies and materials.

Changes on cement production are expected. Obviously, non-cementitious materials must be also considered as an alternative route of the entire road map to low emission construction production. Various research works on alternative materials to ordinary Portland concrete (OPC) have been published in the last three decades, but OPC continues to dominate the market at present.

Concerning the new types of concretes, almost all of the published works are focused on the development of the material itself, including the mechanical properties. So far, very few studies have been concerned with the structures themselves.

Therefore, the editors of this Special Issue want to group a number of studies from a material point of view to the structures. Since the main lack of knowledge is in the structural behavior of the structures, new studies on this aspect will be most welcome.

The Special Issued aims to focus on the mechanical performance implications of using new materials, such as new cementitious binders, alkali-activated materials or other types of nonconventional concretes.

Assistant Professor with Aggregation Luís Filipe Almeida Bernardo
Prof. Sérgio Manuel Rodrigues Lopes
Guest Editors

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• Nonconventional concrete
• Mechanical performance
• Structural applications
• Experimental findings
• Analytical and numerical models
• Design