Research Topic

Alkali-Activated Materials

About this Research Topic

Environmental threats and ecological imbalance due to the continuous depletion of natural materials are a serious concern to the construction industry and the civil engineering profession. In turn, many developed, developing, and even under-developing countries invest huge amounts of resources in finding alternative materials or replacements for conventional materials. The exploitation of raw materials for cement and the resulting threat from CO2 emissions during manufacture require serious evaluation; as such, the need for suitable alternative materials for cement by activating industrial or agricultural by-products such as fly ash (FA), ground granulated blast furnace slag (GGBFS), metakaolin (MK), bottom ash (BA), palm oil fuel ash (POFA), rice husk ash (RHA), palm oil clinker powder (POCP), etc., has drawn worldwide attention during last 3 decades.

The use of supplementary cementitious materials (SCMs) from industrial by-products as a partial replacement for conventional cement has been in practice for many years, and has not only reduced the exploitation of virgin materials used in the production of cement, but also resulted in the reduction of CO2 emissions.

This Research Topic covers the latest research on cementing materials known as alkali-activated binders. Our objective is to make known the advancements of this potential alternative material for applications, and also to create awareness in the industry. We will address issues such as sustainability, challenges, commercialization, availability of raw materials in different parts of the world, laboratory & industrial research, and limitations of alkali-activated binders.

Some of the greater challenges in convincing the construction industry to adopt alkali-activated materials or binders are their formulation and their cost effectiveness. Thus, adequate emphasis must be given to the latest research on alternative alkali activators, as conventional activators such as sodium hydroxide and sodium silicate are expensive, rendering alkali-activated binders more expensive than the conventional Portland-based concrete. Beyond the cost of alkali activators, heat curing also poses challenges to cost-effectiveness.

Thus, researchers from different parts of the world are presented a platform in this Research Topic to address these concerns. We welcome articles on themes including, but not limited to:

 • the availability of potential alkali-activated binders
 • mix design
 • curing
 • potential alternative alkali activators
 • environmental sustainability
 • marketing challenges
 • quality control and durability
 • showcasing buildings or structures using alkali-activated binders
 • construction systems


Keywords: Alkali-activated material, Sustainability, Supplementary Cementitious Materials, Pozzolans, Eco-Efficient Binders


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Environmental threats and ecological imbalance due to the continuous depletion of natural materials are a serious concern to the construction industry and the civil engineering profession. In turn, many developed, developing, and even under-developing countries invest huge amounts of resources in finding alternative materials or replacements for conventional materials. The exploitation of raw materials for cement and the resulting threat from CO2 emissions during manufacture require serious evaluation; as such, the need for suitable alternative materials for cement by activating industrial or agricultural by-products such as fly ash (FA), ground granulated blast furnace slag (GGBFS), metakaolin (MK), bottom ash (BA), palm oil fuel ash (POFA), rice husk ash (RHA), palm oil clinker powder (POCP), etc., has drawn worldwide attention during last 3 decades.

The use of supplementary cementitious materials (SCMs) from industrial by-products as a partial replacement for conventional cement has been in practice for many years, and has not only reduced the exploitation of virgin materials used in the production of cement, but also resulted in the reduction of CO2 emissions.

This Research Topic covers the latest research on cementing materials known as alkali-activated binders. Our objective is to make known the advancements of this potential alternative material for applications, and also to create awareness in the industry. We will address issues such as sustainability, challenges, commercialization, availability of raw materials in different parts of the world, laboratory & industrial research, and limitations of alkali-activated binders.

Some of the greater challenges in convincing the construction industry to adopt alkali-activated materials or binders are their formulation and their cost effectiveness. Thus, adequate emphasis must be given to the latest research on alternative alkali activators, as conventional activators such as sodium hydroxide and sodium silicate are expensive, rendering alkali-activated binders more expensive than the conventional Portland-based concrete. Beyond the cost of alkali activators, heat curing also poses challenges to cost-effectiveness.

Thus, researchers from different parts of the world are presented a platform in this Research Topic to address these concerns. We welcome articles on themes including, but not limited to:

 • the availability of potential alkali-activated binders
 • mix design
 • curing
 • potential alternative alkali activators
 • environmental sustainability
 • marketing challenges
 • quality control and durability
 • showcasing buildings or structures using alkali-activated binders
 • construction systems


Keywords: Alkali-activated material, Sustainability, Supplementary Cementitious Materials, Pozzolans, Eco-Efficient Binders


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

17 July 2020 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

17 July 2020 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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