JP2000084518A - Impervious layer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to test the film thickness and the pin hole over the whole surface with non-destructive inspection by consisting a water impervious layer used to a bulkhead of a river, etc., of a base sheet layer formed with non-woven fabric, etc., provided with a conductive sheet on the whole surface, and a water-proof layer formed of a water proofing material sprayed and fixed on the whose surface of the base sheet layer. SOLUTION: The impervious layer 1 laid on the bottom of a recess part 3 formed on the ground surface 2 of a final waste disposing site or the slope surface position, is constituted of the base sheet layer 7 formed of the base sheet formed with short fiber non-woven fabric 5, etc., provided with the conductive sheet 4 on the whole surface, and the water proof layer 9 formed of the water proofing material 8 sprayed and fixed on the whose surface of the base sheet. This kind of the water proofing layer 1 can be measured for the film thickness of the water shielding layer 9 and the pin hole through the conductive sheet 4 with a non-destructive testing device. The base sheet of the base sheet layer 7 may be formed from a geo-synthetic clay linear having self repairing performance, thus the water leakage can be prevented from occuring with work of the self repairing performance, even the sheet is damaged if anything should happen.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a final waste disposal site,
It relates to the impermeable layer used on the bottom surface and the slope part of vertical walls, pond waterproofing, river revetment, etc.

[0002]

2. Description of the Related Art Conventionally, this type of water barrier layer is formed by spraying rubber asphalt on site, or a geosynthetic clay liner layer is formed on a molded sheet.

[0003]

Since the conventional water-impervious layer is made of rubber asphalt, the water-impervious layer has no strength,
The strength is remarkably weak, and the interface between rubber asphalt and the base fabric may be peeled off, and the waterproof structure may be destroyed and water may leak. In addition, the quality of the water barrier layer made of rubber asphalt is controlled visually or by a sampling test, and the thickness and pinholes are controlled. There was a drawback that it lacked. In addition, a molded sheet having a geosynthetic clay liner layer formed thereon has a drawback that self-repair may not function because there is no close contact between the molded sheet and the geosynthetic clay liner layer.

In view of the above-mentioned conventional drawbacks, the present invention makes it possible to easily carry out construction in accordance with the mountainous conditions such as steep slopes and gentle slopes, obtain sufficient waterproof strength, and perform nondestructive inspection over the entire surface. It is an object of the present invention to provide a water barrier layer capable of performing a film thickness and pinhole inspection. In addition, since a waterproof material such as a quick-setting liquid resin material is sprayed and fixed on the entire surface of the base sheet layer, even if it is damaged, the self-repair function functions so that water leakage can be efficiently prevented. The purpose is to provide an impermeable layer.

The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

In order to achieve the above object, the present invention relates to a base sheet layer formed of a nonwoven fabric or a woven cloth having a conductive sheet interposed on the entire surface thereof, and an entire surface of the base sheet layer. And a waterproof layer made of a waterproof material such as a liquid resin material having an instantaneous setting, which is spray-fixed to the waterproof layer.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 4, reference numeral 1 denotes the present invention which is laid on a bottom surface or a slope of a concave portion 3 formed on the ground 2 as a final waste disposal site. As shown in FIG. 3, the water-impervious layer 1 is made of a short-fiber nonwoven fabric or a woven fabric in which a conductive sheet 4 such as an aluminum sheet, a copper sheet, or a geosynthetic clay liner is entirely interposed. In the embodiment of the present invention, a base sheet layer 7 formed of a base sheet 6 formed of a nonwoven fabric 5 and a predetermined thickness on the entire surface of the base sheet 6 of the base sheet layer 7 as shown in FIG. And a waterproof layer 9 of a waterproof material 8 such as a flash-setting liquid resin material fixed by spraying.

When the impermeable layer 1 having the above structure is formed, as shown in FIG. 1 and FIG.
The base sheet 6 is laid without gaps, and if necessary, the adjacent base sheets 6, 6 are fixed by sewing or welding so that no gaps are formed to form the base sheet layer 7.

Thereafter, a waterproof material 8 is sprayed on the entire surface of the base rail layer 7 so as to have a uniform and predetermined thickness, and a waterproof layer 9 fixed to the base sheet layer 7 is formed. The base sheet 6 for forming the base sheet layer 7 is prepared by heat-coating the waterproof layer 9 with an iron, an electric iron or the like in advance so as to have a uniform film thickness to suppress fluffing, You may use it after heat-coating with an iron, an electric iron, etc.

The water-impervious layer 1 constructed as described above is applied to the base sheet 6 using a non-destructive inspection machine utilizing electric resistance.
By using the conductive sheet 4, the thickness of the waterproof layer 9 can be measured or a pinhole can be detected.

[0012]

Next, different embodiments of the present invention shown in FIGS. 5 to 16 will be described. In addition,
In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 5 to 7 is mainly different from the first embodiment of the present invention in that a net or dimple is provided on the entire lower surface of the base sheet layer 7. In the point that the planar drainage material layer 11 formed of the planar drainage material 10 having the core as the core is disposed, the water-impervious layer 1A configured as described above is also similar to the first embodiment of the present invention. When used in a place with a large amount of spring water, the spring water can be efficiently used in the planar drainage material layer 11.
Can be drained by

The third embodiment of the present invention shown in FIGS. 8 to 10 is mainly different from the first embodiment of the present invention in that the base sheet for forming the base sheet layer 7A is electrically conductive. The first embodiment of the present invention is the same as that of the water barrier layer 1B using the base sheet layer 7A in that it is formed using the geosynthetic clay liner 12 having self-healing ability using bentonite. The same operation and effect as described above can be obtained. In addition to the geosynthetic clay liner 12 having the self-repairing function, a sheet formed using a conductive material may be used as a base sheet.

The fourth embodiment of the present invention shown in FIGS. 11 to 13 differs from the third embodiment of the present invention mainly in that a net or dimple is provided on the entire lower surface of base sheet layer 7A. In the point that the planar drainage material layer 11 formed of the planar drainage material 10 having the shape of a core is disposed, the water-impervious layer 1C configured as described above is also similar to the third embodiment of the present invention. And the spring water can be drained efficiently.

The fifth embodiment of the present invention shown in FIGS. 14 to 16 differs from the first embodiment of the present invention mainly in that the undercoat sheet layer 7 and the waterproof sheet layer 7 are provided on the upper surface of the waterproof layer 9. Since the layer 9 is formed, the laminated impermeable layer 1D configured as described above may be used. It should be noted that the water barrier layer 1 according to the first embodiment of the present invention may be a water barrier layer in which the third water barrier layer 1B according to the present invention is laminated, or the water barrier layer 1 according to the second embodiment may be used.
A water impermeable layer may be formed by laminating the water impermeable layer 1 of the first embodiment of the present invention above A.

[0017]

As is clear from the above description, the following effects can be obtained in the present invention.

(1) A base sheet layer formed of a nonwoven fabric or a woven cloth or the like having a conductive sheet interposed on the entire surface thereof and a flash-setting liquid resin material sprayed and fixed on the entire surface of the base sheet layer Since it is composed of a waterproof layer made of waterproof material, the base sheet layer can be easily installed on steep or gentle slopes. Can be formed.

(2) According to the above (1), since the conductive sheet is interposed on the entire surface of the base sheet layer, a waterproof layer film formed by spraying on site with a nondestructive inspection machine utilizing electric resistance. It can measure thickness and inspect pinholes over the entire surface. Therefore, quality control can be made uniform, and reliability can be improved.

(3) By the above (1), sufficient strength of the waterproof layer can be obtained. Therefore, durability and safety can be improved.

(4) Claims 2, 3, and 4 also provide (1) to (4).
The same effect as (3) can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line 2-2 of FIG.

FIG. 3 is an explanatory diagram of a base sheet according to the first embodiment of the present invention.

FIG. 4 is an explanatory view of a state in which a waterproof layer is formed according to the first embodiment of the present invention.

FIG. 5 is a plan view of a second embodiment of the present invention.

FIG. 6 is an enlarged sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is an enlarged sectional view of a main part of FIG. 6;

FIG. 8 is a plan view of a third embodiment of the present invention.

FIG. 9 is an enlarged sectional view taken along line 9-9 in FIG. 8;

FIG. 10 is an enlarged sectional view of a main part of FIG. 9;

FIG. 11 is a plan view of a fourth embodiment of the present invention.

FIG. 12 is an enlarged sectional view taken along line 12-12 of FIG. 11;

FIG. 13 is an enlarged sectional view of a main part of FIG. 12;

FIG. 14 is a plan view of a fifth embodiment of the present invention.

FIG. 15 is an enlarged sectional view taken along line 15-15 of FIG. 14;

16 is an enlarged sectional view of a main part of FIG.

[Explanation of symbols]

1, 1A, 1B, 1C, 1D: impermeable layer, 2: ground,
3: concave portion, 4: conductive sheet, 5: nonwoven fabric, 6: base sheet, 7: base sheet layer,
8: waterproof material, 9: waterproof layer, 10: planar drainage material, 11: planar drainage material layer, 12: geosynthetic clay liner as a base sheet.

 ──────────────────────────────────────────────────続 き Continued on the front page (71) Applicant 000133342 Daiflex Co., Ltd. 1-1-6, Jingumae, Shibuya-ku, Tokyo (72) Inventor Eita Goto 1-37-25 Ookayama, Meguro-ku, Tokyo General-Ribbon Co., Ltd. In-company (72) Inventor Seiichi Narushima 4-3-6-40 Kajiwara, Kamakura-shi, Kanagawa (72) Inventor Takeshi Tanaka 12-23 Miyamachi, Izumiotsu-shi, Osaka Intra-Tanaka Corporation (72) Inventor Kinichi Okabe Tokyo 1-1-6 Jingumae, Shibuya-ku Daiflex Co., Ltd. F-term (reference) 2D018 DA03

Claims (4)

[Claims] 1. A base sheet layer formed of a nonwoven fabric or a woven cloth or the like, on which a conductive sheet is interposed, and a waterproof liquid resin material or the like which is sprayed and fixed on the entire surface of the base sheet layer. A water-blocking layer comprising a waterproof layer of a material. 2. A base sheet layer formed of a nonwoven fabric or a woven fabric or the like in which the surface on which the conductive sheet is interposed is entirely coated with a thermal coating such as an iron and the like, and sprayed and fixed on the entire surface of the base sheet layer A water-blocking layer comprising a waterproof layer made of, for example, a liquid resin material having an instantaneous setting property. 3. A base sheet layer formed of a conductive material such as bentonite and a waterproof layer made of a waterproof material such as a flash-setting liquid resin material sprayed and fixed on the entire surface of the base sheet layer. A water-impervious layer characterized by becoming. 4. A base sheet layer formed of a nonwoven fabric or a woven cloth or the like having a conductive sheet interposed on the entire surface thereof, and a waterproofing of a flash-setting liquid resin material sprayed and fixed on the entire surface of the base sheet layer. A water-blocking layer comprising: a waterproof layer made of a material; and a planar drainage material layer having a mesh or dimple core provided on the entire lower surface of the base sheet layer.