Flexible Concrete for Enhanced Durability

A method for preparing fiber concrete that enhances its performance in structural applications beyond traditional reinforcement methods. The method involves incorporating specialized fiber materials into the concrete matrix, which exhibit unique properties that address specific structural challenges. The fibers can improve crack resistance and fire resistance while maintaining sufficient tensile strength, making them particularly suitable for large-scale construction projects.

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High ductility concrete with enhanced mechanical properties through controlled fiber distribution and reinforcement. The concrete combines quartz sand, cement, mineral powder, fly ash, silica ash, and fibers to achieve superior crack control and durability. The preparation method involves precise fiber placement and reinforcement distribution to optimize the composite's mechanical behavior.

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Hybrid fiber-reinforced concrete for high-performance construction applications, particularly in complex tunnel projects. The material combines basalt fibers with a unique combination of basalt fiber and mineral powder to achieve exceptional toughness in tension, compression, bending, and shearing while maintaining high compressive strength. The basalt fibers enhance the material's resistance to crack propagation, while the mineral powder improves workability during production. This hybrid material offers superior performance characteristics for long-term structural integrity in high-tech applications like tunnel construction.

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High-ductility concrete prefabricated slab with improved performance through enhanced fiber reinforcement. The slab composition includes cement, superfine fly ash, slag, silica fume, quartz sand, nano-silica, water reducer, and modified fibers. The modified fibers are treated with gum to prevent agglomeration, allowing increased fiber distribution and improved concrete flow characteristics. The gum modification enables controlled fiber reinforcement, enabling significant enhancement of concrete elongation properties while maintaining high ductility.

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Ultra-high ductility double-mixed fiber concrete with enhanced mechanical properties through the incorporation of fibers. The concrete combines a water-reducing agent with PE fibers, which significantly improves concrete's resistance to cracking and damage from environmental stressors. The fibers enhance the concrete's ability to absorb energy, leading to improved seismic performance and crack resistance. The combination of fibers and the water-reducing agent enables the concrete to maintain its structural integrity even under extreme environmental conditions.

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Flexible concrete with enhanced durability and resistance to environmental stressors. The concrete combines basalt fiber with a specialized treatment process that enhances fiber dispersion and bonding properties. The treatment involves a precise combination of silane coupling agent and calcium carbonate whisker impregnation, followed by controlled drying and curing. This results in a fiber-reinforced concrete with superior flexural performance and resistance to saltwater, seawater, and electrical conductivity. The treatment process enables uniform fiber distribution and bonding, while maintaining the fiber's inherent mechanical properties.

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High-strength fiber concrete with improved tensile and toughness properties. The concrete combines a high-strength fiber reinforcement with a novel preparation method that enables controlled fiber alignment and distribution. The preparation involves creating a fiber mesh that is precisely aligned and then incorporating the fibers into the concrete through a controlled mixing process. This approach ensures consistent fiber distribution and orientation, resulting in a fiber concrete with enhanced mechanical properties.

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A repair material for building envelope systems that combines simplicity of construction with exceptional flexibility and durability. The material comprises a cement-based matrix, fine aggregate, and a water-reducing agent, with a specific liquid-to-solid ratio and powder-to-bone ratio optimized for efficient application. The material's unique composition enables rapid bonding while maintaining structural integrity under various environmental conditions, making it suitable for rapid restoration of building envelope systems.

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High-strength and high-ductility concrete comprising a combination of cement, quartz sand, fly ash, mineral powder, water-reducing agent, steel fibers, and PVA fibers. The concrete achieves superior mechanical properties through the synergistic effects of these additives, particularly when combined with catechuic acid and sulfamate series.

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High flexural and abrasion-resistant hybrid fiber concrete with enhanced mechanical properties through synergistic fiber reinforcement. The concrete combines 300-400 parts of steel fibers with 0-100 parts of polyvinyl alcohol fibers, along with cement, fly ash, crushed stone, and water, while maintaining a controlled admixture ratio. The fiber content is achieved through a specific mixing process that optimizes fiber distribution and bonding within the matrix. The resulting composite exhibits superior flexural strength and abrasion resistance compared to conventional fiber-reinforced concrete.

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Flexible reinforced fiber concrete prepared through a novel process that converts waste tire rubber into uniform, swollen particles. The tire rubber is first processed into a fine, uniform dispersion through mechanical dispersion and filtration. These dispersed rubber particles are then combined with cement to form a composite material. The resulting composite material exhibits superior flexibility compared to traditional reinforced fiber concrete, while maintaining the structural integrity and durability of cement-based materials.

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A high-toughness, bendable, self-healing, earthquake-resistant cement-based composite material that combines enhanced durability with self-repair capabilities. The material incorporates a polycarboxylate water reducing agent to control crack growth, while its unique microstructure enables self-repair mechanisms through water absorption and filtration. This composite exhibits superior fracture toughness, resistance to environmental degradation, and enhanced seismic performance compared to conventional cement-based materials.

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A high ductility ready-mixed fiber concrete and a preparation method for improved mechanical properties. The concrete composition includes cementitious materials, aggregates, fibers, and additives. The fibers are prepared through a process that involves wrapping the fibers with a specialized cement slurry that forms a lubricating layer. This wrapping action enhances the fiber-matrix interface, reducing internal friction and improving the concrete's workability. The fibers are then incorporated into the cement slurry to form a uniform mixture, ensuring consistent fiber distribution throughout the concrete. The preparation method achieves improved mechanical properties compared to conventional fiber-reinforced concrete, particularly in high-temperature environments.

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Bendable concrete, a type of engineered cementitious composite (ECC), combines conventional cement with short fibers to achieve enhanced mechanical properties. The ECC formulation comprises cement, sand, fibers, and additives, with fiber content typically below 2% by volume. The unique combination of cement matrix fracture toughness, elastic modulus, and fiber properties enables strain-hardening behavior after initial cracking, resulting in improved compressive strength, flexural strength, and splitting tensile strength compared to conventional fiber-reinforced concrete. The ECC's self-consolidating nature and minimal fiber content make it suitable for structural applications where conventional concrete may be too brittle.

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Ultra-high toughness concrete formulation and production process that enhances concrete's tensile strength and toughness while maintaining its compressive strength. The formulation combines cement, mineral admixture, aggregate, reinforcement fibers, and specialized additives to create a concrete with improved mechanical properties. The formulation includes a high-performance water-reducing agent to enhance workability and reduce water consumption. The formulation achieves enhanced toughness through the incorporation of advanced reinforcement fibers, such as spider silk fibers, and specialized additives that enhance fiber-matrix interaction.

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Enhancing the performance of fiber-reinforced concrete by incorporating basalt fibers, which significantly improves its compressive strength, flexural strength, and toughness compared to conventional fibers. The basalt fibers exhibit superior durability and resistance to freeze-thaw cycles, enabling the production of high-performance concrete with enhanced durability and safety features. This innovative approach addresses the limitations of conventional fiber-reinforced concrete, particularly in applications requiring high-strength and high-toughness concrete, such as track covers and gutter systems.

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Preparing fiber-reinforced concrete by incorporating brucite fiber, carbon fiber, and glass fiber into a cement matrix through a simple mixing process. The composite fiber material is prepared by mixing carbon fiber, brucite fiber, and glass fiber with specific proportions and dispersing them into the cement matrix. The resulting composite fiber-reinforced concrete exhibits enhanced mechanical properties, including improved compressive and flexural strength, enhanced crack resistance, and improved durability compared to conventional fiber-reinforced concrete.

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Pre-coated aggregates for polymer concrete compositions, polymeric concrete compositions comprising pre-coated aggregates, and methods of making pre-coated aggregates and polymeric concrete compositions. The pre-coated aggregates are made by coating solid particles with a two-component polymer coating, which enhances the aggregates' mechanical properties and durability. The coating process involves combining the coating components with the solid particles, allowing them to bond to the particles' surfaces. The pre-coated aggregates can be incorporated into polymer concrete compositions before mixing with a polymer matrix, or they can be added to the polymer matrix as separate components.

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Construction materials that enhance concrete durability through integrated reinforcement. The materials incorporate specialized fibers that distribute stress across the concrete matrix, mitigating localized tensile strain and promoting uniform concrete behavior. These fibers, combined with a novel aggregate composition, provide enhanced resistance to cracking and weathering, while maintaining structural integrity throughout the concrete lifecycle.

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High-strength and high-toughness cement-based material and preparation method that addresses the conventional limitations of concrete by achieving superior tensile strength and toughness through a novel fiber-assisted approach. The material preparation involves a multi-step process that combines ball milling, tanning, and fiber dispersion to create a composite material with enhanced mechanical properties. The process begins with gypsum milling, followed by water treatment, phenolic resin addition, and subsequent heating and fiber dispersion. The final product is then cured and treated with a polymer emulsion before natural drying. This method enables the production of high-performance cement-based materials with improved mechanical properties compared to conventional reinforced concrete.

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