JP2003290732A - Apparatus and method of fixing sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a conventionally unknown epoch-making apparatus and method for fixing a sheet. <P>SOLUTION: The sheet fixing apparatus A is for fixing the peripheral part of a sheet 2 placed on an excavating recessed part 1 of a waste disposal site, a water reservoir or the like and is a properly overlapped body 3 which is structured movable. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat fixing device and a seat fixing method.

[0002]

2. Description of the Related Art Conventionally, a bottom surface (ground) of an excavation concave portion such as a waste disposal site or a reservoir
A water-impervious sheet with water impermeability is laid in the area. This impermeable sheet is used to prevent water from penetrating into the ground at the waste disposal site. Especially in the case of a waste disposal site, if the water contains harmful substances, this water barrier sheet is essential.

By the way, after the impermeable sheet is laid, it is necessary to fix it until waste and water are collected.

Therefore, conventionally, as this fixing method, a concave portion is formed around the excavation concave portion, a water impervious sheet is extended into the concave portion, and the water impervious sheet disposed in the concave portion is overlaid. The impermeable sheet is fixed by pouring concrete from.

However, according to this conventional method, the impermeable sheet is temporarily fixed in a short period of time, for example, in a construction for repairing a waste disposal site that is not properly used to a proper disposal site. However, there are the following problems.

That is, the fixing work for fixing the water impervious sheet cannot move, of course, and the dismantling of the fixing work is not easy. Moreover, the concrete constituting the fixing work adheres to the water impervious sheet, The water-impermeable sheet cannot be diverted due to damage, and moreover, the fixing work requires a lot of time, and the cost is high.

The present applicant has conducted various experiments and researches on the seat fixing method, and has invented an epoch-making seat fixing device and a seat fixing method exhibiting an effect which has not been obtained in the past.

[0008]

The gist of the present invention will be described with reference to the accompanying drawings.

A seat fixing device A for fixing a peripheral portion of a seat 2 laid in an excavation recess 1 such as a waste disposal site or a reservoir, the seat fixing device A being an appropriate weight body 3, and The weight body 3 is related to a seat fixing device characterized by being configured to be movable.

Further, there is provided a sheet fixing device A for fixing the peripheral portion of the sheet 2 laid in the excavation concave portion 1 such as a waste disposal site or a water reservoir, and the sheet fixing device A connects a plurality of suitable weight bodies 3. In addition, the present invention relates to a seat fixing device characterized in that each weight 3 is configured to be movable.

Further, there is provided a sheet fixing device A for fixing the peripheral portion of the sheet 2 laid in the excavation recess 1 such as a waste treatment plant or a reservoir, and the sheet fixing device A is composed of an appropriate hollow body 3. Further, the hollow body 3 is configured to be movable, and is related to a seat fixing device.

Further, in the sheet fixing device according to the third aspect of the invention, the hollow body 3 can be filled with a fluid such as water, air, mud mortar, mortar, concrete or sand. It relates to a fixing device.

Further, in the seat fixing device according to any one of claims 3 and 4, the seat fixing device is configured such that the hollow body 3 can be deformed depending on a filling amount of fluid. It is related to.

Further, in the seat fixing device according to any one of claims 4 and 5, the plurality of hollow bodies 3 are configured so as to be connectable so that the fluid inside can flow. The present invention relates to a seat fixing device.

A method of fixing a sheet 2 to be laid in an excavation recess 1 such as a waste treatment plant or a reservoir, in which the sheet 2 is laid in the excavation recess 1 and subsequently moved to a predetermined position of the sheet 2. The present invention relates to a method for fixing a seat, which comprises arranging a possible weight body 3 and fixing the seat 2.

A method of fixing a sheet 2 to be laid in the excavation recess 1 such as a waste treatment plant or a reservoir, in which the sheet 2 is laid in the excavation recess 1 and subsequently moved to the peripheral portion of the sheet 2. A possible weight body 3 is provided and the excavation recess 1 is provided.
After charging a predetermined amount of the charging material 8 into the excavation recessed portion 1, the weight 3 is moved to the upper edge position of the excavation recessed portion 1, and then the weight 3 is covered. The present invention relates to a method of fixing a seat, which is characterized in that the seat 2 is folded back toward the center of the excavation recess 1.

[0017]

According to the present invention, when the sheet 2 to be laid in the excavation recess 1 such as a waste disposal site or a reservoir is fixed, the peripheral portion of the sheet 2 is fixed by disposing the sheet fixing device A. .

This sheet fixing device A is provided with an appropriate weight body 3.
And the weight 3 is movable,
The fixing operation of the seat 2 can be performed simply and quickly, and when it is not necessary to fix the seat 2 such as after the input of the input material into the excavation recess 1 in the waste disposal site, It can be moved if you want to avoid it, and can be diverted to other fixed locations as needed, which is very economical.

[0019]

DETAILED DESCRIPTION OF THE INVENTION The drawings illustrate one embodiment of the present invention and are described below.

Reference numeral 2 is a waterproof sheet as a sheet, and the waterproof sheet 2 includes sheets such as a protective mat attached to the waterproof sheet.

In this embodiment, as shown in FIG. 1, a water blocking sheet 2 laid in an excavation recess 1 such as a waste treatment plant or a reservoir.
A sheet fixing device A for fixing the peripheral edge portion 2b of the sheet fixing device A. The sheet fixing device A is formed by connecting a plurality of suitable weight bodies 3, and each weight body 3 is movable. In this embodiment, the bottom surface 1a is used as the excavation recess 1.
And an inclined slope 1b rising around the bottom surface 1a in an inclined manner, which is an example applied to the optimization of a waste disposal site,
That is, although the excavation recess 1 in the waste disposal site for filling up the waste as the input 8 is shown, in addition to this, for example, the excavation recess 1 as a reservoir is adopted to exhibit the characteristics of this embodiment. If there is, it will be adopted as appropriate. Further, in the present embodiment, the seat fixing device A is configured by connecting a plurality of weight bodies 3, but the seat fixing device A may be configured by a single weight body 3 as long as the weight is independent. .

The weight body 3 is composed of a resin hollow body 3 having appropriate flexibility as shown in FIG. 2, and the hollow body according to the weight body 3 has a predetermined amount inside thereof. Is configured to be able to store the fluid. In the present embodiment, the hollow body constituting the weight body 3 is made of a flexible resin so as to be compact during movement or the like. However, a hard material may be used, and in this case, the corner portion is It is better to reduce the load on the water-blocking sheet 2 by making it round, and the use of waste plastic as the resin can reduce the load on the environment.

Further, the hollow body of the weight body 3 has a tubular fluid introducing portion 6 for introducing a fluid projecting from one end thereof, and the fluid introducing portion 6 is different from other hollow bodies. It is configured so that it can be connected to the fluid lead-out portion 7 provided at the end portion. Therefore, the fluid introduced from the fluid introducing portion 6 of one hollow body is filled in the hollow body and is led out from the fluid outlet portion 7 so that the fluid is introduced to the fluid introducing portion 6 of the other hollow body. become. Although the hollow bodies 3 are connected to each other in consideration of the efficiency of filling the fluid in the present embodiment, the hollow bodies 3 may be individually injected.

The lower portion of the hollow body of the weight body 3 is formed in a V-shape when viewed from the side.

This is a structure for efficiently transmitting the weight of the weight body 3 to the water shield sheet 2 to obtain a good fixed state. The shape of the hollow body related to the weight body 3 is as follows.
In addition to this, the design can be appropriately changed according to the conditions such as the shape of a quadratic prism, the shape of a triangular prism, the shape of a cylinder, and the shape of a groove.

The fluid may be water, air, sand, mud mortar, mortar, concrete or the like, and when the impermeable sheet 2 is temporarily pressed, the fluid is guided into and out of the hollow body related to the weight body 3. For example, water, air or the like is used, and sand, mud mortar, mortar, concrete or the like is used when the sheet 2 is permanently pressed as a permanent structure.

A method of fixing the water-blocking sheet 2 using the sheet fixing device A having the above structure will be described.

Specifically, the present applicant proposes the first fixing method shown in FIGS. 3 to 8 and the second fixing method shown in FIGS. 11 to 16 as the method of fixing the water-blocking sheet 2. To do.

First, the first fixing method will be described.

In the first fixing method, a groove 5 having a V-shaped cross section is formed at the peripheral edge of the excavation recess 1 at a position close to the upper edge of the slope 1b. The water-blocking sheet 2 is laid in the groove 5, and the weight 3 is placed on the upper surface of the water-blocking sheet 2 in the concave groove 5 and fixed in a state of being filled with water or the like as a temporary pressing (see FIGS. 1 and 3 * 1 is a perspective view of FIG. 3.) In addition, when the weight enough to prevent the weight body 3 from moving can be secured, the concave groove 5 is not particularly necessary, and the weight body 3 may be disposed on a flat portion to fix the water-impervious sheet 2, The recessed groove 5 may be provided not only on the uppermost peripheral edge portion of the excavated recessed portion 1 but also in the middle of the slope 1b.

Then, the waste material 8 is put into the excavation concave portion 1 to form a concave groove 4 having a V-shaped cross section between the waste material 8 and the slope 1b (see FIG. 4).

Then, the weight 3 is moved to the groove 4 (see FIG. 5). At this time, the fluid filled in the weight body 3 is discharged to reduce the weight and then moved, and after the movement, sand, mud mortar, and The necessary weight is secured by filling fluid such as mortar and concrete.

Subsequently, the peripheral edge portion 2b of the waterproof sheet 2 laid in the groove 5 is folded back while being fixed by the weight body 3 (see FIG. 6). At this time, if there is a gap or the like between the weight 3 and the waste 8, the soil is leveled with good quality soil.

Subsequently, a cover sheet 9 is provided on the upper surface of the waste material 8.
Is laid, the ends of the cover sheet 9 and the ends of the water-blocking sheet 2 are joined together in a superposed state, and the groove 5 after the weight 3 is removed is backfilled with good quality soil (see FIG. 7). .

Then, a final soil cover is applied to the upper part of the cover sheet 9.
Complete with 10 (see Figure 8).

9 and 10 show the case where the operation of throwing in the waste 8 is completed while the excavation recess 1 is not filled, and the peripheral portion (dam) of the excavation recess 1 is adjusted to the degree of throwing of the waste 8. Excavation work is performed.

According to the first fixing method as described above, the work of fixing the water-blocking sheet 2 can be carried out easily and quickly in a narrow construction area without heavy machinery, and is very economical.

Further, unlike the conventional method, it can be used without damaging the water-impervious sheet 2 due to the removal of concrete, and because the water-impervious sheet 2 is folded back and joined to the cover sheet 9. The area of the water-impervious sheet 2 and the cover sheet 9 is small, and the construction cost can be dramatically reduced.

Further, by disposing the weight 3 on the folded-back portion 2a of the waterproof sheet 2, the waterproof sheet 2 can be folded back easily and quickly.

Further, when the water-impervious sheet 2 is pulled or loosened, it is possible to cope with the correction work by adjusting the filling amount of the fluid.

Next, the second fixing method will be described.

The second fixing method is to use the outer peripheral edge of the excavation recess 1 as a cross section V at a position a predetermined distance from the upper edge of the slope 1b.
A groove 5 having a V-shape is formed, a water blocking sheet 2 is laid on the slope 1b of the excavation recess 1 and the groove 5, and the weight 3 is placed on the upper surface of the water blocking sheet 2 in the groove 5. And fix it (see FIG. 11).

Subsequently, the waste material 8 is put into the excavation concave portion 1 to form the concave groove 4 having a V-shaped cross section between the waste material 8 and the slope 1b (see FIG. 12).

Then, the weight 3 is moved to the groove 4 (see FIG. 13). At this time, the fluid filled in the weight body 3 is discharged to reduce the weight, and then the weight body 3 is moved. After the movement, sand, mud mortar, mortar, concrete is used as a final press in preparation for the folding operation of the sheet 2 described later. It is filled with fluid such as to secure the necessary weight.

Subsequently, the peripheral edge portion 2b of the waterproof sheet 2 laid in the groove 5 is folded back while being fixed by the weight body 3 (see FIG. 14). At this time, if there is a gap or the like between the weight 3 and the waste 8, the soil is leveled with good quality soil.

Then, the cover sheet 9 is provided on the upper surface of the waste 8.
Is laid, and the end portions of the cover sheet 9 and the end portions of the water-blocking sheet 2 are joined together in a superposed state (see FIG. 15).

Then, a final soil covering is applied to the upper part of the cover sheet 9.
The recessed groove 5 after the weight 10 is moved and the weight 3 is moved is configured as a rainwater drainage groove (see FIG. 16).

According to the second fixing method as described above, in addition to the function and effect of the first fixing method described above, the concave groove 5 in which the weight body 3 is disposed when the sheet 2 is fixed is effectively used. You will be able to.

The above embodiment is a method of filling the hollow body with the fluid as the weight body 3 and pressing it by the weight thereof.
For example, as shown in FIG. 17, there is also a method of pressing the water blocking sheet 2 by stretching it. In this case, a resin member having appropriate flexibility may be used as the hollow body.
By filling a hollow body with a fluid and using it as a pressure fluid, for example, it is stretched on both side surfaces of a groove such as a U-shaped groove, and thus the water-blocking sheet 2
Hold down. As a result, in addition to the pressing by the weight, the pressing by the struts is added, and the impermeable sheet 2 can be effectively pressed. Further, the U-shaped groove can be used as a rainwater drainage groove after the weight body 3 is moved. It should be noted that the edge of the water-blocking sheet 2 may be wound in a roll shape so as not to hinder the curing.
As a result, when used as the cover sheet 9, the cover sheet 9 can be used as a durable and seamless cover sheet 9, and further, the seam of the cover sheet 9 can be removed from the vicinity of the sheet fold where stress concentration is large.

The present invention is not limited to this embodiment, and the specific constitution of each constituent element can be appropriately designed.

[Brief description of drawings]

FIG. 1 is a perspective view showing the present embodiment.

FIG. 2 is a perspective view illustrating a seat fixing device A according to this embodiment.

FIG. 3 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 4 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 5 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 6 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 7 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 8 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 9 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 10 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 11 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 12 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 13 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 14 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 15 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 16 is an explanatory diagram of a seat fixing method according to the present embodiment.

FIG. 17 is an explanatory diagram of a seat fixing method according to the present embodiment.

[Explanation of symbols]

A seat fixing device 1 excavation recess 2 sheets 3 Weights / hollow bodies 8 inputs

Claims (8)

[Claims] 1. A seat fixing device for fixing a peripheral portion of a sheet laid in an excavation recess such as a waste disposal site or a reservoir, wherein the seat fixing device is an appropriate weight body, and the weight body is A seat fixing device, which is configured to be movable. 2. A sheet fixing device for fixing a peripheral portion of a sheet laid in an excavation recess such as a waste disposal site or a reservoir, wherein the sheet fixing device is formed by connecting a plurality of suitable weight bodies, In addition, the seat fixing device is characterized in that each weight body is configured to be movable. 3. A sheet fixing device for fixing a peripheral portion of a sheet laid in an excavation recess such as a waste treatment plant or a reservoir, wherein the sheet fixing device is composed of an appropriate hollow body,
The seat fixing device is characterized in that the hollow body is configured to be movable. 4. The seat fixing device according to claim 3, wherein the hollow body is configured to be capable of being filled with a fluid such as water, air, mud mortar, mortar, concrete, sand or the like. . 5. The seat fixing device according to claim 3, wherein the hollow body is configured to be capable of being deformed depending on a filling amount of a fluid. 6. The seat fixing device according to claim 4, wherein the plurality of hollow bodies are configured so that the hollow bodies can be connected to each other so that an internal fluid can flow therethrough. Seat fixing device. 7. A method of fixing a sheet to be laid in an excavation recess such as a waste treatment plant or a reservoir, wherein a sheet is laid in the excavation recess, and subsequently a weight body movable to a predetermined position of the sheet is provided. A method of fixing a sheet, comprising disposing and fixing the sheet. 8. A method of fixing a sheet laid in an excavation recess such as a waste treatment plant or a reservoir, wherein a sheet is laid in the excavation recess, and then a movable weight body is attached to a peripheral portion of the sheet. While arranging, throw the input material into the excavation recess,
After a predetermined amount of the input material is put into the excavation recess, the weight body is moved to the upper edge position of the excavation recess, and then the sheet is folded back toward the center of the excavation recess so as to cover the weight body. How to fix the seat.