Recycled and alternative materials for concrete production

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Sustainability is an evolving issue, especially in the concrete industry. Traditional concrete made from Portland cement emits large amounts of carbon dioxide, wreaking havoc on the environment. Additionally, the mining of concrete materials such as lime can cause significant harm to waterways and communities.

Researchers and industry professionals have looked into eco-friendly alternatives for concrete production to address these issues. This article discusses the environmental disadvantages of traditional materials and sustainable alternatives that can be used to create new green concrete.

Sustainable concrete mix

A recent article published in the Journal of Sustainable Building Materials and Technology provides a detailed analysis of sustainable methods for producing concrete through alternative mix design.

According to the article, the two options studied are volcanic ash concrete and powder glass volcanic concrete. It is a byproduct of coal combustion and one of the concrete formulations' most commonly used additives. It can reduce the amount of Portland cement used, making concrete stronger and more environmentally friendly.

Natural volcanic ash, such as volcanic ash, has enormous potential as a substitute for fly ash. The harm of harvesting this material to the environment is far less than extracting lime to produce Portland cement.

Implementation of nanotechnology

Nanofillers have been recommended for the sustainable development of concrete. The optimal dosage of nano CaCO3 additive is determined to be 2%. Compared with traditional mortar, adding these additives to cement mortar can produce excellent compression and bending durability. The microstructure study of this mortar reveals the existence of nanostructures in calcite sediment. The presence of nanofillers can compact cement mortar frames, thereby enhancing the physical properties of composite materials. Lightweight concrete additives are substances added to concrete mixtures to reduce weight and enhance certain physical properties. They are commonly used in the construction industry to manufacture lightweight concrete with a density lower than ordinary concrete.

Application fields of lightweight concrete additives

In construction, lightweight concrete additives can manufacture concrete with lower density、better insulation performance. Lightweight concrete is commonly used in walls, roofs, floors, and other parts of buildings, especially suitable for high-rise buildings, large-span structures, and other buildings that need to reduce the structure's weight.

In civil engineering, lightweight concrete additives are mainly used to construct bridges, roads, tunnels, and other infrastructure. Lightweight concrete can improve the seismic performance of structures, reduce temperature stress, and enhance the safety and stability of infrastructure.

Ship and Ocean Engineering: In ship and ocean engineering, lightweight concrete additives are mainly used to manufacture structural components such as ship hulls and decks. Lightweight concrete has good corrosion resistance and high strength, which can improve the durability and safety of ships and marine engineering structures.

Nuclear Industry: In the nuclear industry, lightweight concrete additives are mainly used to manufacture shielding layers and safety shells for nuclear reactors.

Energy saving and environmental protection: Lightweight concrete additives can also be used in environmental protection to save energy. Due to its excellent insulation performance and small thermal conductivity, lightweight concrete can be used for energy-saving renovation and green building construction.

Supplier

TRUNNANO(car-concrete.com) is a supplier of lightweight concrete additives in Concrete, which is concrete and relative products with over 12 years of experience in nano-building energy conservation and nanotechnology development.

It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high-quality lightweight concrete additives, please feel free to contact us and send an inquiry. (sales@cabr-concrete.com).

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