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Method for fabricating composite geomaterial in wide size

A technology of composite geotechnical and manufacturing methods, which is applied in the field of civil engineering, can solve problems such as inability to achieve anti-seepage effect and troublesome manufacturing, and achieve the effects of low requirements for production equipment, simple construction, and good environmental performance

Inactive Publication Date: 2005-03-30
SHANGHAI NEW TECHTEXTILES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the manufacture of anti-seepage materials at home and abroad, most of the traditional anti-seepage materials for engineering are PE film, PVC film or composite geomembrane products of geotechnical materials and PE, PVC films. Work on the construction site, and after the geomembrane is welded, a special sealing test must be done to meet the use requirements. Not only that, once the traditional anti-seepage membrane is punctured or damaged by sharp objects during construction or use After that, the ideal anti-seepage effect cannot be achieved.

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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  • Method for fabricating composite geomaterial in wide size
  • Method for fabricating composite geomaterial in wide size

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: The woven fabric and the non-woven fabric are respectively fed into rolls at a speed of 2 m / min, and sent into the needling machine through the guide roller, the needling speed is 2 meters / min, and the needling frequency is 300 times / min , so that it is connected into a composite base fabric whose strength and elongation meet the design requirements. When the composite base fabric is sent into the powder spreading device at 2 m / min, the powder spreading roller starts to sprinkle powder at a speed of 400 g / min. Adjust the horizontal feeding screw roller to send the powdery or granular ore and nutritious soil to the entire width of the composite base cloth. The powdery or granular form and the nutrient soil are evenly spread, and the non-woven fabric and the composite base fabric laid with bentonite are sent to the roll at a speed of 2 m / min, and sent to the acupuncture machine through the cloth guide roller, and the acupuncture speed is 2 meters per minute, ac...

Embodiment 2

[0014] Example 2: The woven fabric and the non-woven fabric are respectively fed into rolls at a speed of 3 m / min, and sent into the needling machine through the guide roller, the needling speed is 3 meters / min, and the needling frequency is 700 times / min , so that it is connected into a composite base fabric whose strength and elongation meet the design requirements. When the composite base fabric is sent into the powder spreading device at 3 m / min, the powder spreading roller starts to sprinkle powder at a speed of 800 g / min. Adjust the horizontal feeding screw roller to send the powdery or granular ore and nutritious soil to the entire width of the composite base cloth. The powdery or granular form and the nutrient soil are evenly spread out, and the non-woven fabric and the composite base fabric laid with bentonite are respectively sent to roll at a speed of 3 m / min, and sent to the acupuncture machine through the cloth guide roller, and the needle punching speed is 3 m / min...

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Abstract

A method for preparing wide width of composite earth work material includes feeding woven or nonwoven cloth, knitting them to be composite backing cloth, feeding composite backing cloth, laying alta-mud on it uniformly, feeding nonwoven cloth and composite backing cloth with alta-mud on, knitting them for forming composite earth work material, winding and packing.

Description

Technical field: [0001] The invention relates to the technical field of civil engineering, in particular to a method for manufacturing wide-width composite geotechnical materials. Background technique: [0002] At present, in the manufacture of anti-seepage materials at home and abroad, most of the traditional anti-seepage materials for engineering are PE film, PVC film or composite geomembrane products of geotechnical materials and PE, PVC films. Work on the construction site, and after the geomembrane is welded, a special sealing test must be done to meet the use requirements. Not only that, once the traditional anti-seepage membrane is punctured or damaged by sharp objects during construction or use After that, the ideal anti-seepage effect cannot be achieved. Invention content: [0003] The purpose of the present invention is to provide a method for manufacturing wide-width composite geotechnical materials, a new type of anti-seepage material made by sandwiching high-...

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 Applications(China)
IPC IPC(8): B32B5/16
Inventor 薛育龙包伟国何永平
Owner SHANGHAI NEW TECHTEXTILES
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