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Cementitious materials have served as the primary binder materials in construction for more than a century. Although cement and cement-based concrete show satisfactory mechanical properties and durability in infrastructures, the carbon footprint involved in the production of cement is becoming an issue of ...

Cementitious materials have served as the primary binder materials in construction for more than a century. Although cement and cement-based concrete show satisfactory mechanical properties and durability in infrastructures, the carbon footprint involved in the production of cement is becoming an issue of concern nowadays. Along with the consensus reached within the most of countries to reduce the carbon dioxide emission, scientists and engineers are looking for solutions to reduce the carbon contribution from the building sector, among which the use of sustainable binders has emerged as one of the promising strategies. However, challenges still exist, especially in view of the volume stability and durability of these materials, which are not fully understood yet.

Against this background, we propose this Research Topic to attract new researches on the volume stability and durability of sustainable binders. We expect to gather a bundle of original papers that can contribute to the understanding of: behaviours of new sustainable binders, feasibility to use various industrial by-products as raw materials, applicability of existing testing methods (e.g. those that have been applied for cement), service-life prediction and eventually standardization of these materials. Hopefully, the results from this Topic can provide either more options to the toolkit of researchers and industrial users working on construction materials or more confidence on the use of existing sustainable materials.

Both original research and review articles are welcome.
This Topic covers, but not limited to the following properties of sustainable binders:
• Autogenous deformation
• Drying shrinkage
• Plastic shrinkage
• Cracking tendency
• Creep
• Fatigue
• Permeability
• Carbonation resistance
• Freeze and thaw resistance
• Chloride resistance
• Leaching & efflorescence
• Corrosion
• Alkali-silica reaction

Keywords: Shrinkage, Expansion, Durability, Sustainability, Binder, Geopolymer; Alkali-activated Materials, Blended Cement


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