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Boost Concrete Strength with 92% Silica Fume.
Silica fume is an industrial by-product that is generated when silicon metal and ferrosilicon alloys are produced in an electric arc furnace. This by-product is collected and used in concrete mixtures to improve the performance of concrete structures. Silica fume consists of extremely fine particles that can pass through the pores of concrete, leading to denser, more durable surfaces. Here are five reasons why including silica fume in concrete mixtures can boost concrete strength:
1. Increased Strength: Adding silica fume to concrete mixtures enhances the strength and durability of the final product. Silica fume fills the voids between cement particles, and the reaction between silica fume and calcium hydroxide produces additional calcium silicate hydrate (C-S-H) gel formation. The C-S-H gel produced is responsible for the increased strength of the concrete, and better bonding between matrix materials.
2. Better Durability: Silica fume improves the concrete's durability by decreasing the absorption of water and other contaminants. This reduces the risk of corrosion in reinforced concrete, which can weaken the structure over time. Silica fume can also improve concrete's resistance to chemical attacks, such as acid rain and other harsh environmental conditions.
3. Superior Abrasion Resistance: Concrete that contains silica fume has a higher level of abrasion resistance than other types of concrete. This is because the addition of silica fume makes the concrete surface harder and more resistant to abrasion. This makes it ideal for industrial floors, car parks, and other structures frequently exposed to heavy traffic and wear.
4. Improved Workability: Silica fume makes the concrete mixture more plastic (i.e. sticky) and easier to work with, leading to better compaction and consolidation. This results in less porosity, and a denser, more homogeneous structure with fewer voids. The result is a smooth finish with fewer blemishes, making it perfect for architectural and decorative concrete structures.
5. Reduced Carbon Footprint: Silica fume reduces the environmental impact of concrete production because it improves the strength of concrete while using less cement. Reducing the cement content in concrete also leads to a significant decrease in greenhouse gas emissions, air pollution, and energy consumption.
In conclusion, adding silica fume to concrete mixtures not only improves the strength and durability of the final product but also yields environmental benefits by reducing carbon footprint. Silica fume is readily available and easy to use, with no additional equipment or mixing procedures required. This cost-effective solution offers a practical and sustainable alternative to improve concrete performance while reducing environmental impact.
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