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Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
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Analysis of Slag-Containing Steamed Concrete's Composition Efficiency
Leonid Dvorkin1, Vadim Zhitkovsky1, Ruslan Makarenko1
1Institute of Civil Engineering and Architecture, National University of Water and Environmental Engineering, 33028 Rivne, Ukraine.
Materials (Basel, Switzerland)
|March 28, 2024
Summary
Thermal power plant slag can be used to create stronger concrete. This study optimizes concrete mix designs using slag for enhanced strength and proposes a new design method.
Area of Science:
- Materials Science
- Civil Engineering
- Waste Management
Background:
- Thermal power plant slag is a globally available industrial waste.
- Utilizing this slag in concrete offers a sustainable disposal solution.
- Understanding its impact on concrete properties is crucial for effective application.
Purpose of the Study:
- To analyze the effect of thermal power plant slag on concrete mixture properties.
- To evaluate the mechanical properties of concrete subjected to heat-moisture processing.
- To optimize concrete composition for maximum strength using slag.
Main Methods:
- Experimental-statistical modeling was employed to optimize concrete composition.
- Quantitative estimates were derived for factors influencing water demand and strength.
- The study analyzed the impact of slag content and water demand on concrete characteristics.
Main Results:
- The influence of thermal power plant slag on concrete's technological and mechanical properties was quantified.
- Optimal slag content in aggregate was determined for maximum strength at different curing times (4 hours and 28 days).
- An experimental-statistical model was developed to optimize slag-based concrete.
Conclusions:
- Thermal power plant slag can be effectively utilized in concrete production.
- Optimal slag content enhances concrete strength, particularly after heat-moisture processing.
- A novel method for designing slag-based concrete compositions is proposed, maximizing strength per cement unit.
Keywords:
concreteefficiency criteriaexperimental–statistical modeloptimal concrete compositionsteamingthermal power plant slagMore Related Videos
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