Nanomaterial Enhanced Concrete for Improved Strength

A novel approach to enhancing cementitious materials through the integration of nano-TiO2, nano-SiO2, nano-Fe2O3, and sugarcane bagasse ash (SCBA) into cement-based concrete. The process involves replacing conventional cement with these nano-additives and optimizing their proportions to achieve significant improvements in compressive and tensile strength. The SCBA content is specifically tailored to enhance durability while maintaining workability. The combination of these materials addresses the environmental challenges associated with cement production by utilizing waste materials and reducing CO2 emissions.

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Geopolymer concrete with enhanced mechanical properties through the incorporation of carbon nanotubes. The concrete mix ratio combines conventional fly ash, sand, and NaOH with a controlled carbon nanotube addition, achieving improved mechanical properties while maintaining durability. The preparation method involves a continuous graded crushed stone aggregate, which enhances the concrete's compactness. The carbon nanotubes are dispersed throughout the concrete matrix to fill micropores and optimize microstructure, while maintaining their unique mechanical properties. The resulting concrete exhibits superior mechanical performance compared to conventional geopolymer concrete.

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Toughened concrete that combines the benefits of nano-scale mineral admixtures and fiber-reinforced concrete to enhance its mechanical properties. The composite material comprises cement, sand, gravel, pulverized coal, ash, bamboo fiber, nano-silicon oxide nano-calcium carbonate composite, and a water-reducing agent. The precise formulation of 275-325 cement, 575-675 sand, 1170-1370 gravel, 70-80% pulverized coal, 15-19% ash, 21-27% bamboo fiber, 4.5-5.5% nano-silicon oxide nano-calcium carbonate composite, and 4.5-5.5% water-reducing agent achieves superior mechanical performance at both elevated temperatures and normal conditions.

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Calcium carbonate reinforced concrete with enhanced mechanical properties through the controlled incorporation of nano calcium carbonate. The reinforced concrete combines cement, river sand, coarse aggregate, modified nano calcium carbonate, alumina-doped carbon fibers, fly ash, water reducer, triethanolamine, and water to produce a composite material with improved mechanical performance. The nano calcium carbonate enhances concrete strength, durability, and durability through its hydration reaction with cement, while the alumina-doped carbon fibers provide enhanced tensile strength. The composite material exhibits superior compressive strength, flexural strength, and chloride ion diffusion coefficient compared to conventional reinforced concrete.

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Method for optimizing cement-based material performance through nano-mineral incorporation. The method involves systematically varying the nano-material dosage in cement formulations while maintaining controlled curing conditions. Through controlled testing, the optimal nano-material concentration is identified as 2.5% nano-SiO2 and 1.5% nano-Al2O3, achieving superior mechanical properties including increased compressive strength and durability compared to conventional cement formulations.

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Nanometer ultra-high performance concrete with improved workability, durability, and sustainability. The concrete combines ultra-fine aggregate, high-efficiency water-reducing agents, and specialized cementitious materials to achieve exceptional mechanical properties. The preparation method involves a controlled alkali activation step, followed by precise mixing and curing sequences that optimize the material's performance characteristics. The resulting concrete exhibits improved workability, reduced water requirements, and lower environmental impact compared to conventional ultra-high performance concrete.

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Ultra-high performance concrete (UHPC) material with enhanced mechanical properties through the strategic combination of advanced additives and powders. The material combines steel fibers, a water-reducing agent, cellulose aldehyde, a plastic expansion agent, and a defoaming agent, with a Portland cement matrix. This formulation provides exceptional compressive strength, chloride dispersion resistance, and durability, making it suitable for high-performance applications such as bridges, tunnels, and building structures.

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A concrete nano-reinforcer that improves concrete properties through nanoscale reinforcement. The reinforcement agent comprises silicon dioxide particles with 10 nm diameter and lamellar graphene particles with 110 nm diameter, combined with silicic acid particles. The reinforcement agent enhances concrete strength and durability by filling nano-scale voids and improving cement hydration, while maintaining optimal compressive strength and cement dosage.

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Nanosilica reinforced geopolymer concrete with enhanced thermal durability through the incorporation of polyvinyl alcohol (PVA) fibers. The composite formulation combines a cementitious matrix with fly ash, slag, water, and nano-silica, reinforced with PVA fibers. The PVA fibers are selectively incorporated at specific concentrations to optimize mechanical properties while maintaining thermal stability. The formulation demonstrates improved thermal resistance compared to conventional geopolymer concrete, with significant reductions in compressive and flexural strength at elevated temperatures.

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Concrete with enhanced durability through the integration of ultrafine materials into traditional cement-based composites. The innovative composite comprises cement, sand, stone, water, silica fume, a water-reducing agent, micron-sized materials, nanomaterials, and dispersants. The micron-sized materials, specifically silicon nitride and carbon nanotubes, are incorporated into the cement matrix, while the nanomaterials, particularly silicon nitride and carbon nanotubes, are dispersed throughout the aggregate. This composite formulation addresses the traditional limitations of cement-based materials by introducing ultrafine reinforcement and nanoscale components that enhance mechanical properties, durability, and resistance to environmental stressors.

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High-strength, high-ductility concrete for critical infrastructure applications like bridges and buildings, achieved through a novel fiber reinforcement strategy that combines ultra-high-strength fibers with advanced fiber reinforcement systems. The concrete incorporates a proprietary blend of ultra-high-strength fibers, including ramie, basalt, and CaCO3 whiskers, along with nano-silicon and nano-titanium/graphene oxide dispersion, and specific mineral admixtures like fly ash and straw ash. The fibers are strategically arranged to form a continuous reinforcement system that provides superior crack resistance, ductility, and bond strength with steel, while maintaining high compressive strength and durability. The fiber reinforcement system is achieved through a multi-stage crack control approach that incorporates macro-scale crack management and micro-scale particle gradation optimization.

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Self-grown nano-calcium rock fiber reinforced concrete with enhanced mechanical properties through controlled fiber growth. The fiber is generated through a proprietary process that incorporates nano-calcite powder into cementitious materials, where the powder undergoes controlled hydration to form fibers. This fiber matrix is then combined with conventional cementitious components, water, and aggregate to produce a reinforced concrete with superior tensile strength and toughness. The fiber growth process enables uniform dispersion of the fibers within the matrix, while maintaining optimal working performance characteristics.

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Concrete composition with enhanced mechanical properties achieved through the incorporation of high-performance basalt nanoparticles. The composition comprises cement, water, basalt fine sand, basalt aggregates, one or more admixtures, and specifically engineered basalt nanoparticles. The basalt nanoparticles are prepared through a multi-stage treatment process that includes mechanical grinding, thermal treatment, and separation. The resulting composition exhibits significantly improved mechanical strength compared to conventional concrete formulations.

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A novel ultra-high performance concrete (UHPC) formulation and preparation method that addresses the shortcomings of conventional UHPC by achieving enhanced durability and performance characteristics. The formulation combines a unique nanomaterial dispersion system with a specialized superplasticizer blend that enables uniform dispersion of the nanomaterials within the cement matrix. The superplasticizer blend is formulated with a specific ratio of polyether-modified silicone oil and methyl cellulose ether, which enhances the superplasticizer's performance while maintaining its water-reducing properties. The nanomaterial dispersion system prevents agglomeration and ensures uniform dispersion of the nanomaterials, while the specialized superplasticizer blend enables denser and more uniform cement matrix. The resulting UHPC exhibits superior mechanical properties, including enhanced strength, durability, and resistance to freeze-thaw, chloride ion penetration, and carbonation.

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A cost-effective and efficient method for preparing nano-reinforced cement-based composites using a modified nano-silica that improves dispersion and stability in alkaline cement environments. The method involves incorporating polycarboxylate water-reducer modified nano-silica into cement mixtures, where the water-reducer enhances dispersion and reduces agglomeration. This approach enables the production of cement-based composites with improved workability and rheology compared to conventional methods, while maintaining the same performance characteristics as conventional cement-based materials.

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Hybrid fiber and nano-material reinforced geopolymer concrete that enhances its mechanical properties and impact resistance through the incorporation of reinforcing fibers and nanomaterials into the geopolymer matrix. The reinforcement components, such as polyvinyl alcohol (PVA) fibers and polycarboxylic acid superplasticizers, are combined with the geopolymer matrix to create a composite material with improved mechanical performance. The nanomaterials, including nano-silica and metakaolin, enhance the material's durability and resistance to environmental stressors. The composite material exhibits enhanced compressive strength, improved tensile strength, and superior impact resistance compared to conventional geopolymer concrete.

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A method for preparing high-performance recycled concrete through synergistic reinforcement of nano-silica and basalt fibers. The method combines the conventional addition of fibers to recycled concrete with a specific fiber-to-aggregate ratio, resulting in improved mechanical properties compared to conventional recycled concrete. The fibers enhance the cement matrix by improving dispersion and reducing defects, while the modified aggregate provides enhanced mechanical strength and durability. The optimized fiber-to-aggregate ratio enables the production of concrete with enhanced compressive strength, tensile strength, and flexural strength, making it suitable for engineering applications.

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Ultra-high-strength and ultra-high-toughness concrete with enhanced fiber-matrix interface bonding. The method involves optimizing the composition of ultra-high performance concrete to achieve superior fiber-matrix interface properties. The composition includes cement, silica fume, nano-calcium carbonate, fine aggregate, water, and a reducing agent. The concrete is formulated with a specific fiber volume content and a reducing agent to enhance the hydration reaction and improve the fiber-matrix interface. The resulting concrete exhibits improved fiber-matrix bonding, enhanced mechanical properties, and enhanced durability compared to conventional ultra-high performance concrete.

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A cement-based composite material that combines enhanced mechanical properties with improved durability through the incorporation of carbon nanotubes and carbon nano onions. The composite material achieves superior tensile strength while maintaining resistance to thermal shock, carbonization, and erosion, making it suitable for high-performance applications in concrete structures. The material preparation involves dispersing carbon nanotubes and carbon nano onions in a cement solution, followed by the addition of fillers to achieve the desired cement-to-filler ratio.

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Carbon nanotube agglutination mixed cement comprising pretreated carbon nanotubes and a method for manufacturing the same. The cement comprises pretreated carbon nanotubes and a method for manufacturing the same, wherein the pretreatment involves chemically colliding the carbon nanotubes with the cement raw material.

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A method for preparing high-strength, corrosion-resistant carbon nanotube-modified concrete through a novel dispersion and consolidation process. The process involves creating an aqueous dispersion of carbon nanotubes through ultrasonic dispersion, followed by vacuum drying to form a composite material. The composite material is then consolidated through a controlled drying process, where the nano-silica particles adhere to the carbon nanotubes through a silicon gel matrix. This composite material is then processed through ball milling to produce a powdery granular material with a composite structure of silica-coated carbon nanotubes.

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High-strength, lightweight concrete material comprising iron slag, calcium D-arabinonate, fly ash modified by D-arabinonate glyceride, nano-ceramic fibers, nano-alumina, and basalt fibers, with superplasticizer, sand, gravel, sodium carbonate, Portland cement, sodium hydroxide, and water.

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A hybrid concrete comprising nano-fibers and polyvinyl alcohol (PVA) that combines the enhanced mechanical properties of micro-nano-fibers with the improved workability of PVA. The hybrid concrete incorporates both the high-performance mechanical characteristics of nano-fibers and the enhanced workability of PVA, while achieving improved durability and resistance to cracking compared to conventional high-performance concrete. The PVA matrix enhances the fiber's mechanical properties, while the nano-fibers contribute to improved workability. The combination enables a concrete that exhibits superior mechanical performance while maintaining workability.

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Nano silica and steel fiber reinforced concrete for bridge deck pavements that combines improved mechanical properties with enhanced durability. The composite material incorporates nano silica and steel fibers, with the steel fibers being evenly distributed to form a grid-like structure. The fibers enhance compressive strength, while the nano silica improves flexural strength and chloride ion resistance. The combination provides superior performance characteristics compared to conventional concrete, particularly in terms of impact resistance and freeze-thaw durability.

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Carbon nano additive for cement concrete that enhances its durability and performance through a synergistic combination of brucite nanofibers, functional nano-carbon materials, and nano-inorganic materials. The additive improves corrosion resistance, compression resistance, and wear resistance of cement concrete while maintaining its compressive strength and structural stability. The preparation involves dispersing brucite fibers in an eutectic solvent-water mixture, followed by sonicating the dispersion to create a nano-silica suspension. The suspension is then mixed with water to achieve a nano-silica concentration of 4%, followed by sonicating for 30-40 minutes.

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Nano-super high-strength concrete with enhanced impact resistance through the incorporation of nano-particles. The nano-particles, including nano-silica, nano-titanium oxide, and nano-zirconium oxide, significantly improve concrete's impact performance by enhancing its stiffness and energy absorption capacity. The nano-particles enable controlled hydration and microstructure development, particularly through the formation of nano-scale hydrated calcium silicate gels with chain-like or network-like structures. This nano-particle reinforcement enables the concrete to exhibit superior impact resistance while maintaining its high strength and durability.

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Cement-based composite material with enhanced mechanical properties for structural reinforcement applications. The material combines nanoparticles (SiO2) with polyvinyl alcohol (PVA) fibers, achieving superior flexural strength (8.46 MPa) and fracture toughness (675 N/m) compared to conventional cement-based composites. The composite's unique combination of mechanical properties makes it particularly suitable for large-span, high-performance structures.

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A novel additive for concrete and reinforced concrete products that enhances their mechanical properties through the synergistic action of potassium polytitanate (K2TiO3) and carbon nanomaterials. The additive, comprising potassium polytitanate and carbon nanomaterials, particularly carbon nanotubes, achieves significant improvements in compressive strength, density, waterproofness, and crack resistance in concrete and reinforced concrete applications. The composition, when incorporated into cement-based binders, enables enhanced mechanical performance through the controlled aggregation of carbon nanomaterials in the cement matrix.

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A functionally graded cement-based composite material that significantly improves performance through gradient design. The material combines high-strength mortar with coarse aggregate, fiber-reinforced ultra-high performance concrete, and aggregate concrete in specific volume ratios. The composition is tailored to create a material with enhanced mechanical properties across its internal gradient, particularly in the interface regions where conventional cement-based composites face significant bonding challenges. The material is reinforced with nanometer materials to further enhance its performance.

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Concrete with enhanced compressive strength and durability through the use of nano-modified cement with superplasticizer-based polycarboxylate esters. The concrete mixture contains a specific nano-additive that reduces cement hydration and water-cement ratio while accelerating early strength development. This combination prevents internal corrosion by controlling pore fluid alkalinity and silica interaction, resulting in improved concrete performance for transport, industrial, and civil construction applications.

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A method for preparing high-strength, lightweight concrete through controlled incorporation of nano-silica. The process involves precise composition of cement, water, aggregate, and supplementary cementitious materials (SCM) with nano-silica in a specific ratio, followed by controlled mixing and curing. The nano-silica enhances mechanical properties while maintaining low density, making it suitable for applications requiring both strength and reduced weight.

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Cement-based composite material with enhanced mechanical properties through the incorporation of doped carbon nanotubes. The material comprises cement, carbon nanotubes, silica fume, superplasticizer, silica sand, fly ash, quartz powder, steel fibers, and water. The composition is formulated with specific mass fractions of each component, with the carbon nanotubes content optimized to achieve high strength and toughness. The material is prepared through a controlled mixing process that incorporates the carbon nanotubes into the cement matrix, resulting in improved mechanical performance compared to conventional reactive powder concrete.

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A grading combined silicon powder modified concrete preparation method that enhances concrete durability through controlled particle size distribution. The method incorporates superfine silicon micro-powder into concrete mixtures, where the micro-powder is denser than the conventional silicon ash. This denser micro-powder fills concrete pore spaces, improving concrete strength and durability. The denser micro-powder also enhances the concrete's resistance to shrinkage and thermal expansion, while maintaining its compressive strength. The method enables the production of high-performance concrete with improved durability characteristics, particularly in applications requiring enhanced resistance to thermal expansion and shrinkage.

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High-performance concrete comprising cement, aggregate, and supplementary cementitious materials, with enhanced durability and resistance to permeation. The composition includes cement, aggregate, fly ash, silicon ash, limestone powder, basalt fiber, straw powder, water-reducing agents, nanosilicon dioxide, calcium carbonate, multi-wall carbon nanotubes, sodium dodecyl sulfate, zinc stearate, boric acid, sodium citrate, and water. The formulation achieves superior mechanical properties, durability, and resistance to water absorption compared to conventional high-performance concrete.

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