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Novel waterproof rolled material for tunnel

A technology for waterproofing membranes and tunnels, applied in tunnels, tunnel linings, wellbore linings, etc., can solve the problems of increased production costs, waste of materials, time-consuming and labor-intensive, etc., and achieves cost-saving, low-cost, and firm connection effects.

Inactive Publication Date: 2016-01-13
YIZHENG YILI GEOSYNTHETICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The waterproof membrane of this structure has a complex structure. First, it is necessary to fix both ends of the connecting strip on the impermeable membrane, and then a lot of manpower is needed to pass the sling through the connecting strip, so that the non-woven fabric and the impermeable membrane are connected together. Not only consume materials, but also time-consuming and labor-intensive, and increase production costs

Method used

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  • Novel waterproof rolled material for tunnel
  • Novel waterproof rolled material for tunnel
  • Novel waterproof rolled material for tunnel

Examples

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Embodiment Construction

[0017] A new type of waterproof membrane for tunnels, including polyester non-woven fabric, polyethylene impermeable film, and suspenders. Non-woven fabric, polyethylene impermeable film and polyester non-woven fabric are connected into one body through ultrasonic welding with a strength greater than 15MPa.

[0018] There are ultrasonic welding solder joints on the waterproof membrane, and the solder joints on the polyethylene impermeable membrane are arranged in a regular geometric arrangement in a dot matrix. The solder joints are star-shaped, quadrilateral, and elliptical. The middle part of the waterproofing membrane.

[0019] There is a hot-melt adhesive layer between the polyethylene impermeable film and the polyester non-woven fabric. The distance between the solder points of two adjacent rows is 15-35mm, and the distance between the solder points of two adjacent rows is 15- 25mm. The thickness of the polyester non-woven fabric is 0.15-0.35cm, and the thickness of the...

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Abstract

The invention provides a novel waterproof rolled material for a tunnel, and belongs to the technical field of waterproof materials. The novel waterproof rolled material for the tunnel comprises polyester non-woven cloth, a polyethylene impermeable membrane and a hoisting tape, wherein the middle of the hoisting tape is arranged between the polyester non-woven cloth and the polyethylene impermeable membrane; and two ends of the hoisting tape respectively penetrate in the polyester non-woven cloth. The novel waterproof rolled material for the tunnel is characterized in that the polyethylene impermeable membrane and the polyester non-woven cloth are connected together in a welded mode through ultrasonic waves of which the intensity is greater than 15 MPa; the waterproof rolled material is provided with welding spots welded in an ultrasonic mode; the welding spots are distributed in a field-array mode; the distance between two adjacent rows of welding spots is 15-35 mm; the distance between two adjacent lines of welding spots is 15-25 mm; and the welding spots are star-shaped, square and oval. The novel waterproof rolled material is convenient to construct, good in waterproof effect and simple in structure; time and labor are saved; the production cost is also reduced; and the market space is wide.

Description

technical field [0001] The invention relates to a structure of a waterproof coiled material, in particular to a structure of a novel waterproof coiled material for tunnels, and belongs to the technical field of waterproof materials. Background technique [0002] Composite geomembrane refers to polyethylene (PE), polyvinyl chloride (PVC), chlorinated polyethylene (CPE), ethylene-propylene copolymer (EPC) one of several anti-seepage membranes and polyester or polypropylene non-woven Cloth composite into one waterproof membrane. If the composite geomembrane is directly spread on the concrete, the waterproof effect is poor, and once it is punctured, it is easy to leak. Existing waterproof membranes used for tunnel construction are generally composed of non-woven fabrics and impermeable membranes. The side of the impermeable membrane in contact with the non-woven fabric is provided with a connecting strip, and the two ends of the connecting strips are fixed on the impermeable me...

Claims

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Application Information

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IPC IPC(8): E21D11/38B32B7/08
Inventor 姜勇李秋影韩晶杰经月梅陈宗伯张庆丰彭兆琴万声仪
Owner YIZHENG YILI GEOSYNTHETICS
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