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Close packing high-performance cement-based fiber composite product and production method thereof

A fiber composite, high-performance technology, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., to achieve the effect of improving strength, reducing the use of high energy consumption raw material cement, and reducing the amount of consumption

Inactive Publication Date: 2012-10-03
NANJING BEILIDA NEW MATERIAL SYST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, domestic research on hybrid fiber-reinforced concrete is basically still in the laboratory research stage, and the combination of high-performance concrete technology with close-packed design is still blank in China

Method used

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  • Close packing high-performance cement-based fiber composite product and production method thereof
  • Close packing high-performance cement-based fiber composite product and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] 1) Mix 20kg (20%) of cement, 40kg (40%) of sand, 10kg (10%) of glass shavings, 1kg (1%) of PVA fiber, 1kg (1%) of wood fiber, powdered Pigment 3kg (3%), redispersible latex powder 2.5kg (2.5%), water reducing agent naphthalene sulfonate formaldehyde condensate 0.5kg (0.5%), early strength agent sulfate 0.5kg (0.5%), antifreeze agent Stir 0.5kg (0.5%) of calcium chloride, 3kg (3%) of fly ash, 2kg (2%) of mineral powder, and 16kg (16%) of water to make a slurry for later use.

[0075] 2) Make a decorative layer in the mold with the prepared surface mortar by spraying method, and let it solidify naturally for 10 minutes;

[0076] 3) Mix 23kg (23%) of cement, 10kg of water (10%), 44kg of superfine quartz powder (44%), 10kg of metakaolin (10%), 1kg of glass fiber (1%), and 1kg of carbon fiber according to the weight distribution ratio. (1%), PVA fiber 0.5kg (0.5%), pulp fiber 0.5kg (0.5%), silicone modified polypropylene emulsion 4kg (4%), water reducing agent naphthalene s...

Embodiment 2

[0082] 1) Mix 45kg (45%) of cement, 20 kg (20%) of fine stones, 5kg (5%) of ceramic debris, 5kg (5%) of liquid pigment, 2 kg (2%) of polypropylene emulsion, 3kg (3%) of silica fume and 20kg (20%) of water are stirred evenly and made into a slurry for later use.

[0083] 2) Use the brushing method to make a decorative layer in the mold with the prepared surface mortar, and let it cure naturally for 20 minutes;

[0084] 3) Mix 51kg (51%) of cement, 15kg (15%) of water, 25kg (25%) of superfine quartz powder, 4kg (4%) of fly ash, 0.4kg (0.4%) of steel fiber, Silicone modified styrene-acrylic emulsion 0.5kg (0.5%), water reducer sulfonated melamine formaldehyde condensate 0.5kg (0.5%), early strength agent nitrite 0.5kg (0.5%), antifreeze agent potassium carbonate 0.5kg (0.5%), nano-Al 2 o 3 2.6kg (2.6%) of the powder is stirred evenly to make a fiber-reinforced close-packed high-performance cement-based structural layer slurry;

[0085] 4) Vibrationally pour the configured fib...

Embodiment 3

[0089] 1) Mix 23kg (23%) of cement, 40kg (40%) of sand, 20kg (20%) of metal debris, 0.5kg (0.5%) of PU fiber, 0.5kg (0.5%) of pulp fiber, 0.5kg (0.5%) of water reducing agent sulfonated melamine formaldehyde condensate, 0.3kg (0.3%) of early strength agent nitrite, 0.2kg (0.2%) of antifreeze potassium carbonate and 15kg (15%) of water are mixed evenly Make slurry for later use.

[0090] 2) Make a decorative layer in the mold with the prepared surface mortar by laying vibration method, and let it cure naturally for 30 minutes;

[0091] 3) Mix 42kg (42%) of cement, 13kg (13%) of water, 33kg (33%) of superfine quartz powder, 6kg (6%) of mineral powder, 1kg (1%) of basalt fiber, and PU fiber according to the distribution ratio of weight percentage. 0.5kg (0.5%), siloxane modified silicone acrylic emulsion 2.5kg (2.5%), nano-SiO with a solid content of 25% 2 2kg (2%) of the colloid is stirred evenly to make a fiber-reinforced close-packed high-performance cement-based structural ...

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Abstract

The invention discloses a close packing high-performance cement-based fiber composite product and a production method thereof, and particularly discloses a novel fiber-reinforced cement-based composite material product which is prepared by combining a close packing design high-performance cement technology with a hybrid fiber reinforcing technology and has the advantages of excellent constructability, ultrahigh strength, low deformation, high durability and the like. The close packing high-performance cement-based fiber composite product comprises a fiber-reinforced cement-based flexible anti-cracking surface layer and a fiber-reinforced close packing high-performance cement-based structural layer, wherein the fiber-reinforced close packing high performance cement-based structural layer is compounded on the fiber-reinforced cement-based flexible anti-cracking surface layer; 0-3 layers of netlike reinforced materials are paved in the fiber-reinforced close packing high-performance cement-based structural layer; and the fiber-reinforced cement-based flexible anti-cracking surface layer and the fiber-reinforced close packing high-performance cement-based structural layer are compounded in a mold with a decorative effect. The close packing high-performance cement-based fiber composite product is suitable for construction such as building outer wall decoration, indoor engineering construction, road construction, bridge construction and the like.

Description

technical field [0001] The invention relates to a close-packed high-performance cement-based fiber composite product and a production method thereof. Specifically, a new type of fiber-reinforced cement-based concrete with excellent constructability, ultra-high strength, low deformation, and high durability is prepared by combining the high-performance concrete technology of close-packed design and hybrid fiber reinforcement technology. Composite products. The product application range includes building exterior wall decoration, interior engineering construction, and road and bridge constructions that have high requirements for the strength and durability of cement substrates. Background technique [0002] High performance concrete (high performance concrete, abbreviated as HPC) is a new type of high-tech concrete, which is made by modern concrete technology on the basis of greatly improving the performance of ordinary concrete. It takes durability as the main index of des...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B16/06C04B16/02C04B18/24C04B18/26
CPCY02W30/91
Inventor 熊吉如王杰许升陶婷婷
Owner NANJING BEILIDA NEW MATERIAL SYST ENG
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