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Three-dimensional spacer fabric reinforced cement based composite material and preparation method and construction method thereof

A technology for spacing fabrics and reinforcing cement, which is applied in building materials, building material processing, building construction and other directions, can solve the problems of difficult operation of concrete construction methods and restrictions on concrete application, and achieves simple and easy preparation methods and construction methods. Effects of good flexibility and workability, excellent strength properties

Inactive Publication Date: 2014-12-24
ARCHITECTURAL ENG INST GENERAL LOGISTICS DEPT P L A +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in some special projects, due to construction reasons, the application of traditional mixing concrete is limited, such as mountain slope protection, embankment reinforcement, ditch slope, underwater pipeline maintenance and other construction projects, in these projects Among them, the construction method of ordinary concrete pouring on site is difficult to operate

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Three-dimensional spacer fabric reinforced cement based composite material and preparation method and construction method thereof

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Experimental program
Comparison scheme
Effect test

preparation example Construction

[0043] The preparation method of the above-mentioned three-dimensional spacer fabric reinforced cement-based composite material cloth includes the following steps:

[0044] The first step is to make a three-dimensional spacer fabric: First, select the raw materials of the upper woven fabric layer 2, the lower woven fabric layer 4 and the fiber yarn layer 3, and then use the warp knitting technology to weave the upper woven fabric layer 2, the lower woven fabric layer 4 For the three-dimensional spacer fabric composed of the fiber yarn layer 3, the hydraulic inorganic powder can pass through the mesh of the upper woven fabric layer 2, but cannot pass through the mesh of the lower woven fabric layer 4.

[0045] The second step is to fill the hydraulic inorganic powder: pour the hydraulic inorganic powder 5 into the top surface of the upper woven fabric layer 2 of the three-dimensional spacer fabric produced in the first step, and pass through the mesh of the upper woven fabric layer 2...

Embodiment 1

[0051] The preparation method provided by the present invention is used to prepare a three-dimensional spacer fabric reinforced cement-based composite material cloth, and the surface area of ​​the composite material cloth is 2250 mm 2 The hydraulic inorganic powder 5 is made of sulphoaluminate cement. The three-dimensional spacer fabric is woven from flame-retardant polyester fiber yarn (PET fiber yarn). The thickness of the three-dimensional spacer fabric is 20mm, and the thickness of the sealing layer is 0.5mm. The thickness of the vinyl chloride waterproof membrane layer is 0.4mm. Subsequently, using the construction method provided by the present invention, water is sprayed on the surface of the lower woven fabric layer 4 of the composite material cloth to solidify and harden into a building component.

[0052] Place the building component in an environment with a temperature of 20±2℃ and a relative humidity of 60±5% for natural curing. After curing for 10 days, test the compr...

Embodiment 2

[0055] The preparation method provided by the present invention is used to prepare a three-dimensional spacer fabric reinforced cement-based composite material cloth, and the surface area of ​​the composite material cloth is 2250 mm 2 The hydraulic inorganic powder 5 is made of high-alumina cement. The three-dimensional spacer fabric is woven from flame-retardant polyester fiber yarn (PET fiber yarn). The thickness of the three-dimensional spacer fabric is 15mm, and the thickness of the sealing layer is 0.5mm. Polyvinyl chloride The thickness of the waterproof membrane layer is 0.4 mm. Subsequently, using the construction method provided by the present invention, water is sprayed on the surface of the lower woven fabric layer 4 of the composite material cloth to solidify and harden into a building component.

[0056] Place the building component in an environment with a temperature of 20±2℃ and a relative humidity of 60±5% for natural curing. After curing for 10 days, test the com...

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Abstract

The invention discloses a three-dimensional spacer fabric reinforced cement based composite material and a preparation method and a construction method thereof. Hydraulicity inorganic powdered materials are filled in a three-dimensional spacer fabric, and a sealing layer is arranged on the three-dimensional spacer fabric. The three-dimensional spacer fabric comprises an upper fabric layer, a cellosilk layer and a lower fabric layer, and the cellosilk layer is composed of three-dimensional distributed cellosilk. After three-dimensional spacer fabric reinforced cement based composite material cloth is contacted with water, the three-dimensional spacer fabric reinforced cement based composite material cloth can be solidified into building components in various complex shapes, the construction method of traditional concrete mixing and pouring is avoided, and the three-dimensional spacer fabric reinforced cement based composite material is particularly used for special engineering and is low in cost and excellent in performance.

Description

Technical field [0001] The invention belongs to the technical field of building components and relates to a three-dimensional spacer fabric reinforced cement-based composite material cloth and a preparation method and a construction method thereof. Background technique [0002] Concrete materials have been born for more than one hundred years, and are widely used in the construction field due to their excellent performance in all aspects. However, in some special projects, due to construction reasons, the application of traditional mixing methods of concrete is restricted, such as mountain slope protection, river embankment reinforcement, ditch slope, underwater pipeline repair and other construction projects. Among them, the construction method of ordinary concrete pouring on site is difficult to operate. [0003] In the textile field in recent years, a three-dimensional spacer fabric has appeared, which is composed of a top fiber woven fabric, a bottom fiber woven fabric and fib...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C2/26E04G21/00
Inventor 张五龙陈惠苏吕涛鲍步传杨玉杰刘琳吴剑锋
Owner ARCHITECTURAL ENG INST GENERAL LOGISTICS DEPT P L A
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