Development and Applications of Eco-Concrete and Mortars
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".
Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 26865
Special Issue Editor
Interests: sustainable concrete; concrete rheology; byproduct for cement-based materials; self-compacting concrete; lime-based materials; internal curing agents
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Environmental degradation is one of the most important problems humankind must confront. In recent decades, around the world and especially in developed societies, concerns around the environment have been growing. In the construction sector, materials with a low carbon footprint, that is, sustainable and durable, with a long service life, are being promoted more and more. In the case of concrete and mortar, there are different strategies to meet these two challenges. To improve durability, the design of self-repairing concretes has recently arisen. Using recycled materials and replacing the granular skeleton or finding alternatives to clinkers are some of the most widespread procedures to improve sustainability in cement-based materials.
Self-repairing concrete is a concrete that can seal small cracks by itself, that is, without human intervention. Two different strategies can be used to achieve a self-healing behavior, autogenous healing and autonomous healing. The former uses mechanisms such as carbonation, expansion agents, fibers, mineral additions or internal curing agents. The latter, by contrast, employs unconventional additions such as bacteria or shape memory alloys. Many recycled aggregates (obtained from different industrial processes) have been used replacing conventional ones: construction and demolition waste, coal bottom ash or tire rubber are some of the examples that can be found in the literature. In addition, reducing the clinker content is one of the best procedures to reduce the carbon footprint of cement-based materials. In this regard, natural stone waste powder, fly ash or biomass ash are some of the materials used to develop blended cements. It is thus clear that some of the materials that improve sustainability can also be used to promote self-healing behavior, improving durability.
In this context, this Special Issue will focus on the development and characterization of durable eco-concretes and mortars based on the use of recycled aggregates, low clinker cements or self-repairing agents and their combination. It is my pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.
Prof. Dr. Belén González-Fonteboa
Guest Editor
Manuscript Submission Information
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Keywords
- durability
- eco-cement-based materials
- self-healing
- byproducts
- low clinker cements
- internal curing
- fiber-reinforced concretes
- self-compacting
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