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Special Issue Proposals:

The journal of RESM is open to proposals for special issues on emerging related topics. More info is here.

Research Article

Lightweight geopolymer fly ash sand: an alternative to fine aggregate for concrete production

P. N. Ojha, Brijesh Singh, Puneet Kaura, Abhishek Singh

National Council for Cement and Building Materials, India



Light Weight Geopolymer Fly Ash Sand; 

 Water Absorption;

 Specific Gravity; 

Compressive Strength; 

Durability Studies

The current study is aimed to evaluate and critically analyze the properties of Light Weight Geopolymer Fly Ash Sand (LWGFAS). LWGFAS has been prepared by geopolymerisation of the fly ash. Liquid solution of 4M NaOH, and Na2SiO3/NaOH=2 was used as an activator and post set heat treatment of 1 hour at 100 oC was applied for preparation of LWGFAS. The LWGFAS sample was analyzed for different physical and chemical parameters along with studies on mineralogy and alkali silica reactivity. The molar concentration of activator solution and duration of post set heat treatment plays vital role on the physical and mechanical properties (particularly specific gravity, bulk density and water absorption) of the Geopolymer fly ash sand. The specific gravity and water absorption of LWGFAS were 1.57 and 17.85% respectively. Experimental concrete mixes made with LWGFAS as a replacement of natural sand were evaluated for compressive strength and different durability properties of concrete. The study indicates that LWGFAS can be suitable for a wide range of applications in making concrete ranging from light weight in nature to normal weight concrete based on the physical and chemical characteristics of Geopolymer Fly Ash Sand.

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8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.

21/10/2023 Journal Submission System Upgrade Completed: We're delighted to announce that our Journal Submission and Tracking System has undergone a significant upgrade, aimed at enhancing your experience. We apologize for the delay, and any inconvenience it may have caused. Here are the key enhancements from a user perspective:

Improvements are designed to make your interaction with our journal smoother and more efficient. Please take the upgraded system for a spin and share your thoughts with us. If you encounter any issues or have questions, please don't hesitate to reach out to our support team.

27/12/2022 Reviewer AwardsThe winners of 2022 reviewer awards of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Reviewer Awards section. 

(More details of the news may be given in the News section)

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2022 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.

2022 Best Paper Award:

The paper authored by Nitin Kumar, Michele Barbato, Erika L. Rengifo-López and Fabio Matta entitled as “Capabilities and limitations of existing finite element simplified micro-modeling techniques for unreinforced masonry” is awarded the 

2022 Most Cited Paper Award:

The paper authored by Aykut Elmas, Güliz Akyüz, Ayhan Bergal, Müberra Andaç and Ömer Andaç entitled as “Mathematical modelling of drug release" is awarded the


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