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Development and Optimisation of an Industrial Waste-Based Additive for Improving Concrete Performance
Rauan Lukpanov1,2, Duman Dyussembinov1,2, Aliya Altynbekova1
1Solid Research Group, LLP, Astana 010008, Kazakhstan.
Materials (Basel, Switzerland)
|May 13, 2026
Summary
This study developed an industrial waste additive to enhance concrete. The optimized mixture significantly boosts compressive strength and durability, offering a sustainable solution for construction materials.
Area of Science:
- Materials Science
- Civil Engineering
- Sustainable Construction
Background:
- Concrete durability and mechanical properties are critical for infrastructure.
- Industrial waste utilization presents an opportunity for sustainable material development.
- Developing effective multi-component additives requires careful optimization of individual components.
Purpose of the Study:
- To develop and optimize a multi-component additive using industrial waste (microsilica, phosphogypsum, soapstock, post-alcohol bard).
- To evaluate the impact of this additive on the mechanical properties (compressive strength) and durability (water absorption, freeze-thaw resistance) of concrete.
- To determine the optimal dosage of each component for maximum performance enhancement.
Main Methods:
- A staged experimental approach was employed to determine optimal component concentrations.
- Concrete samples were prepared with varying percentages of microsilica, phosphogypsum, soapstock, and post-alcohol bard.
- Mechanical properties (compressive strength) and durability indicators (water absorption, freeze-thaw resistance) were systematically evaluated.
Main Results:
- Optimal additive concentrations were identified: 20% microsilica, 15% phosphogypsum, 10% soapstock, and 5% post-alcohol bard.
- Compressive strength increased by up to 28.3% compared to the reference concrete.
- Soapstock reduced water absorption by up to 36.8% and improved freeze-thaw resistance; excessive amounts decreased strength.
- Post-alcohol bard acted as a plasticizer, reducing water absorption and enhancing freeze-thaw resistance.
Conclusions:
- The developed multi-component additive effectively enhances concrete's mechanical strength and durability.
- The use of industrial waste materials in concrete additives contributes to sustainable construction practices.
- The optimized additive formulation leads to a denser microstructure and improved overall concrete performance.
Keywords:
compressive strengthconcretefrost resistancemicrosilicamodified additivephosphogypsumpost-alcohol bardsoapstockwater absorptionMore Related Videos
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