Cement-based composite material blanket based on sandwich mesh cloth and preparation method of blanket

A composite material blanket and cement-based technology, applied in chemical instruments and methods, roofing with flexible materials, excavation, etc., can solve problems such as loss and loss, and lack of dry powder materials

Pending Publication Date: 2021-02-02
阿米乃麦合木提
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These processes are highly prone to missing, lost and lost dry powder materials

Method used

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  • Cement-based composite material blanket based on sandwich mesh cloth and preparation method of blanket

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The dry powder material is made of cement and sand mixed in a ratio of 1:1, the cement includes 20% sulfoaluminate cement and 80% Portland cement, the sand is dry river sand, and the thickness of the sandwich mesh is 1cm , and its weight per square meter is 1.1kg, the mesh diameter / side length of the mesh surface layer is 1mm, the label of Portland cement is above 425#, and the river sand is dry fine sand with a mud content of less than 2 %, the mass proportion of fineness modulus below 2.2 is 70%, and the label of waterproof polymer cement is not less than 425#, and the mass proportion is 50%.

Embodiment 2

[0032] The dry powder material is made by mixing cement and sand in a ratio of 1:1. The cement includes 20% sulphoaluminate cement and 80% portland cement. The sand is the mesh diameter of the dry sea sand mesh surface layer. / The length of the side is 1mm-2mm, the thickness of the sandwich mesh is 2cm, and its weight per square meter is 1.2kg, the label of Portland cement is above 425#, and the sea sand is dry fine sand, and its mud content is less than 2%, the fineness modulus below 2.2 is 75%, the grade of waterproof polymer cement is not less than 425#, and the mass proportion is 55%.

Embodiment 3

[0034] The dry powder material is made of cement and sand mixed in a ratio of 1:1. The cement includes 20% sulfoaluminate cement and 80% Portland cement. The sand is a mixture of dry river sand and sea sand. The mesh diameter of the surface layer is 2mm, the thickness of the sandwich mesh is 3cm, the thickness of the sandwich mesh is 1cm, and its weight per square meter is 1.3kg, and the label of Portland cement is above 425#. , river sand and sea sand are dry fine sand, with a mud content of less than 2%, and those with a fineness modulus below 2.2 are 78%. The grade of waterproof polymer cement is not less than 425#, and the mass ratio is 60%.

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Abstract

The invention discloses a cement-based composite material blanket based on sandwich screen cloth and a preparation method of the blanket. The cement-based composite material blanket comprises the sandwich screen cloth, the sandwich screen cloth comprises a mesh surface layer evenly provided with meshes, a plain cloth bottom layer and connecting monofilaments for connecting the mesh surface layer and the plain cloth bottom layer, the sandwich screen cloth is filled with a curable dry powder material, and the top surface and the two sides of the sandwich screen cloth are coated with waterproof polymer cement layers. The dry powder material is formed by mixing cement and sand according to the mass ratio of 1:1, the cement comprises 20% of sulphoaluminate cement and 80% of Portland cement, andthe sand is dry river sand and/or sea sand. The meshes can be firmly fixed after the polymer cement is condensed, so that the cement material is difficult to move or leak in a mesh cloth body. The polymer cement material has good flexibility and waterproof effect, has good interface property with a cement material matrix and is bonded, so that the polymer cement material is solidified into a firmwhole, and the anti-seepage effect of the material blanket is guaranteed. The preparation method is simple, reliable and convenient to install and construct.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a cement-based composite material blanket based on a sandwich mesh. Background technique [0002] With the rapid development of society, higher requirements are put forward for project quality and construction efficiency. Most of the construction areas are located in areas with steep terrain, complex geology, and difficult to achieve with traditional concrete construction. In addition, dangerous and critical projects such as landslide control, river embankment reinforcement, interception of drainage ditches, underwater pipeline maintenance, and water leakage treatment on building roofs urgently need the support of new processes and materials. Traditional concrete requires a lot of construction machinery and occupies a lot of space. Second, concrete canvas&concrete cloth (concrete canvas) first appeared in the UK in 2004, and similar materials (cement blanket) have al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B5/02B32B3/24B32B5/06B32B1/06B32B5/26B32B33/00B32B37/10B32B38/00E02B3/12E02D17/20E04D5/10C04B28/06
CPCB32B3/08B32B3/266B32B5/02B32B5/028B32B5/06B32B5/26B32B33/00B32B37/10B32B38/00B32B2037/243B32B2255/02B32B2255/20B32B2307/558B32B2307/7265C04B28/06C04B2201/50E02B3/12E02D17/20E04D5/10C04B7/02C04B14/06C04B14/068
Inventor 俞学洲
Owner 阿米乃麦合木提
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