ArticleMaterials (Basel, Switzerland)2022
Composition, Technological, and Microstructural Aspects of Concrete Modified with Finely Ground Mussel Shell Powder.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 22 citations in OpenAlex.
- Analysis of the Current State of Research on Bio-Healing Concrete (Bioconcrete).Materials (Basel, Switzerland) · 2024Review
- Effect of biological shells aggregate on the mechanical properties and sustainability of concrete.Scientific reports · 2024Article
- Eco-Friendly Sustainable Concrete and Mortar Using Coal Dust Waste.Materials (Basel, Switzerland) · 2023Article
- Effect of Walnut-Shell Additive on the Structure and Characteristics of Concrete.Materials (Basel, Switzerland) · 2023Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reducing the negative environmental impact of a widely spread building material such as concrete is possible by decreasing the amount of cement in this composite material, especially when specific waste is included as a substitution for the binder. Another important environmental issue is accumulated aquaculture waste. This work justifies the possibility of achieving modified concrete with improved properties based on sea mussel shell powder (MSP). An improved environmentally friendly concrete was obtained and modified with MSP as a result of experimental studies. The dosage of MSP in the amount of 6% instead of part of the cement turned out to be optimal and most effective. Because of the modification, it was possible to increase the strength properties: the increments were up to 12% for the compressive strength (CS), up to 13% for the axial CS, up to 14% for the tensile strength (TS) in bending, and up to 12% for the axial TS. The ultimate strains under axial compression and tension decreased to 9% and 12%, respectively, and the elastic modulus increased to 15%. SEM analysis showed a more integral microstructure without voids and cracks in this composite with a modifier content of 6% compared with the sample of the ordinary composition. Economic efficiency is expressed in reducing the total cost of new concrete compared to traditional ones by about 17% and the cost of building construction by up to 15% due to a decrease in the percentage of defects.
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