JP2538215Y2 - Ground stabilizer - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a ground stabilizer used in the field of civil engineering and construction, and more particularly to a ground stabilizer capable of improving workability when applied to the ground surface.

[0002]

2. Description of the Related Art Conventionally, in the field of civil engineering and construction, as a base material for roads, a foundation material for sidewalks, a ground reinforcement for civil works such as temporary roads and retaining walls, etc., for supporting heavy loads and preventing erosion. Japanese Patent Application Laid-Open Nos. 2-229303 and 2-22930
As disclosed in Japanese Unexamined Patent Application Publication No. 4 (1999) -1995, a honeycomb-shaped plastic panel is generally used.

As shown in FIG. 5, a plurality of plastic strips 2 juxtaposed in a width direction H are repeatedly and alternately joined to adjacent strips 2 at a predetermined interval, as shown in FIG. When the plastic panel 1 is stretched in a direction perpendicular to the above, a large number of honeycomb-shaped cells 3 surrounded by the strips 2 are formed.

[0004] Because of this cell structure, there is a feature that it is lightweight and excellent in strength. Normally, the folded plastic panel is used by spreading it on site, and the expanded plastic panel 1 is laid on the ground surface, and each honeycomb-shaped cell 3 is filled with filler such as earth and sand, crushed stone, concrete, It works as a ground stabilizer. By the way, as shown in FIG.
In order to fix the plastic panel 1, first, a J-shaped hook bar 5 is driven into the ground at a predetermined interval by a hammer or the like at one end in the width direction H of the folded plastic panel 1, and the plastic panel 1 is fixed in the width direction H. One end is fixed to the ground surface.

Subsequently, the plastic panel 1 is stretched and fully stretched, and a J-shaped hook bar is driven into the ground again with a hammer or the like, and the other end of the plastic panel 1 in the width direction H is fixed to the ground surface. Has been taken. Further, in order to connect the expanded plastic panels 1 to each other, as shown in FIG. 7, the plastic panels 1 fixed to the ground surface 4 as described above are adjacent to each other in the same expansion direction,
After being repeatedly fixed to the ground surface 4, the outermost strips 2a in the width direction H of the adjacent plastic panels 1 were connected to each other at predetermined intervals by a U-shaped nail stapler 6 or the like so as to sandwich them from above.

[0006]

[Problems to be Solved by the Invention] However, in the above-mentioned construction of a plastic panel, since a connecting member, a fixing member, and a tool therefor are required, the number of parts increases and the construction is complicated. There was a problem of becoming.
Further, there is a problem that the connection strength between the plastic panels is not stable.

The present invention has been devised in view of such conventional problems, and is intended to facilitate the work of plastic panels, improve workability, and stabilize the strength of connection between the plastic panels. It is intended to provide a ground stabilizer that can be used.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for fixing a plastic panel to the ground surface at a predetermined interval on a side surface of an outermost strip of a honeycomb-shaped plastic panel. The gist is that the fixing member is provided integrally. Further, a connecting member for connecting adjacent plastic panels together with a fixing member is provided on a side surface of an outermost strip of the honeycomb-shaped plastic panel.

[0009]

In the present invention, the fixing member is integrally provided on the side of the outermost strip of the plastic panel, so that the folded plastic panel is extended and the fixing member is buried in the ground. Is completed,
Immediately after the expansion, the expanded shape of the plastic panel can be maintained.

In addition, since a connecting member is provided on the side surface of the outermost strip of the plastic panel in addition to the fixing member, the expanded shape of the plastic panel can be maintained immediately after the expansion, and the connection between the plastic panels can be performed. This can be easily performed at the same time that the folded plastic panel is expanded, and furthermore, a stable connection strength between the plastic panels can be obtained.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a partial perspective view of a ground stabilizer showing a first embodiment of the present invention, 11 is a ground stabilizer,
The ground stabilizer 11 includes a honeycomb-shaped plastic panel 12, a fixing member 13, and a filler 14.

The honeycomb-shaped plastic panel 12
Is made of plastic such as high-density polyethylene resin, and a plurality of strips 12a arranged side by side in the width direction H are repeatedly joined with adjacent strips 12a alternately at a predetermined interval, as in the related art, and the plastic panel 12
Is pulled in a direction (extending direction) orthogonal to the width direction H, a large number of honeycomb-shaped cells 12b surrounded by the strips 12a are formed.

On both side surfaces 15 of the outermost strip 12A extending in the width direction H of the plastic panel 12, fixing members 13 for fixing the plastic panel 12 to the ground surface at a predetermined interval are integrally formed. Is provided. This fixing member 13 is preferably provided for each butting portion 16 which is brought into contact with the adjacent plastic panel 12 in order to increase the fixing strength of the plastic panel 12 to the ground surface. May be provided.

In the first embodiment, an example in which a needle-like spike is used as the fixing member 13 is shown. The spike is mainly made of plastic, fiber reinforced plastic, metal, or the like, and is adhered to the plastic panel 12 via an adhesive. However, the connection with the plastic panel 12 may be integrally fixed by heat separation, bolts or the like.

The ground stabilizer 11 is stretched and laid on the ground surface 17 in a state where the plastic panel 12 has the fixing member 13 embedded in the ground surface 17.
2, each of the cells 12b is filled with a filler 14 such as earth and sand, crushed stone, and concrete. FIG. 2 is a partial perspective view of a ground stabilizer showing a second embodiment of the present invention,
The outermost strip 1 extending in the width direction H of the plastic panel 12 using a saw-shaped fixing piece for the fixing member 13.
It is provided integrally on both side surfaces 15 of 2A.

As in the first embodiment, the plastic panel 1
In order to increase the fixing strength to the ground surface of No. 2, it is preferable to provide each of the butting portions 16 to be abutted with the adjacent plastic panel,
6 may be provided. This serrated fixing piece
The same material as that of the plastic panel 12 may be integrally formed. Alternatively, the main material may be plastic, fiber reinforced plastic, metal, or the like.
It may be integrally bonded and fixed by bonding, bolts, or the like.

Next, a method for applying the ground stabilizing material 11 will be described. First, the fixing member 13 provided on one side surface 15 of the outermost strip 12A extending in the width direction H of the folded plastic panel 12 is buried in the ground surface 17 to be laid so as to be pushed by hand. Is fixed to the ground surface 17.

Subsequently, the plastic panel 12 is pulled sufficiently in the extending direction to be sufficiently expanded, and the fixing member 13 provided on the other side surface 15 of the plastic panel 12 is buried in the ground surface 17 so as to be pushed by hand. 1
2 is fixed to the ground surface 17. Then, another plastic panel 1 is adjacent to the plastic panel 12.
2 in the same direction as above with the same direction of extension,
After that, the plastic panels 12 are connected to each other by the U-shaped nail stapler 6 or the like by the same method as in the prior art, and each cell 12b of each plastic panel 12 is filled with a filler 14 such as earth and sand, crushed stone, concrete and the like.

As described above, the outermost strip 12 extending in the width direction H of the plastic panel 12 has the fixing member 13.
A, the fixed member 13 can be buried in the ground at the same time as the folded plastic panel 12 is stretched because it is provided integrally on both side surfaces 15 of the A. The expanded shape of the panel 12 can be maintained.

FIGS. 3 and 4 show a third embodiment of the present invention. Reference numeral 21 denotes a ground stabilizer. The ground stabilizer 21 is provided with the lower connecting member 22 and the upper connecting member 23 for connecting the adjacent plastic panels 12 to the ground stabilizer 11 of the first embodiment. It is a thing. Therefore, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

The lower connecting member 22 is formed of a substantially J-shaped claw capable of holding the adjacent plastic panel 12, and as shown in FIG.
From the position in contact with the ground surface 17 of the outermost strip 1
It is provided integrally with the fixing member 13 on one side surface 15 so as to pass through the lower end of 2A and protrude outward and upward.

The upper connecting member 23 is formed of a U-shaped claw that can clamp an adjacent plastic panel, and as shown in FIG.
Butt 1 of outermost strip 12A opposite to 5
6, one of the claws protrudes outward and downward. The lower connecting member 22 and the upper connecting member 23 are mainly made of plastic, fiber reinforced plastic, metal or the like, and are integrated with the fixing member 13 or the outermost strip 12A by heat separation, adhesion, bolts, or the like. Is bonded and fixed.

In order to increase the connection strength, a lower connecting member 22 is provided for each fixing member 13 provided on one side surface 15 for each butting portion 16, and an upper connecting member 23 is provided for each butting portion 16. Although it is preferable that they are provided at regular intervals. Also, the lower connecting member 22
Is not provided integrally with the fixing member 13 and the upper connecting member 23 is not provided.
Similarly, the outermost strip 12A may be provided integrally with the butted portion 16 of the strip 12A.

Next, a method of applying such a ground stabilizing material 21 will be described. First, the fixing member 13 provided on one side surface 15 of the outermost strip 12A extending in the width direction H of the folded plastic panel 12 is buried in the ground surface 17 to be laid so as to be pushed by hand. Is fixed to the ground surface 17.

Subsequently, the plastic panel 12 is moved in the width direction H.
The plastic panel 12 is buried in the ground surface 17 so that the fixing member 13 having the lower connecting member 22 provided on the other side surface 15 of the plastic panel 12 is pushed by hand. 12 is fixed to the ground surface 17. Then, another plastic panel 12 is provided adjacent to the plastic panel 12. In this case, the upper connecting member 23 is disposed on the side surface 15 facing the side surface 15 of the plastic panel 12 ahead of the adjacent plastic panel 12.

In a state where the adjacent plastic panel 12 is folded, the lower connecting member 22 and the upper connecting member 23 are connected to the previous plastic panel 12 and provided on one side surface 15 of the outermost strip 12A. Ground surface 17 so that the fixed member 13
One of the adjacent plastic panels 12 is connected and fixed to the other of the previous plastic panels 12 and the ground surface 17.

Hereinafter, another plastic panel 12 is stretched, and if necessary, the plastic panel 12 is laminated by the same method as described above. After completion of the lamination, each cell 12b of each plastic panel 12 is filled with a filler 14 such as earth and sand, crushed stone, and concrete. Thus, the connecting member 2 is provided on the side surface 15 of the outermost strip 12A of the plastic panel 12 in addition to the fixing member 13.
2 and 23, the expanded shape of the plastic panel 12 can be maintained immediately after the expansion, and the interconnection of the plastic panels 12 can be easily performed at the same time as the expanded plastic panel 12 is expanded. Since the panels 12 are connected at the upper and lower ends, a stable connection strength can be obtained.

In the third embodiment, the upper connecting member 2
3 is also provided integrally with the plastic panel 12, but only the lower connecting member 22 is provided integrally with the fixing member 13 or the plastic panel 12, and the connection between the upper portions of the plastic panels 12 is the same as in the first embodiment. , A U-shaped nail stapler 6 or the like.

[0029]

According to the present invention, as described above, since the fixing member is integrally provided on the side of the outermost strip of the plastic panel, the folded plastic panel is extended and the fixing member is buried in the ground at the same time. Since the expanded shape of the plastic panel can be maintained immediately after expansion, there is no need for individually fixing members and tools for it,
Further, there is an effect that the work of the plastic panel can be facilitated and the workability can be improved.

Further, since a connecting member is provided in addition to the fixing member on the side surface of the outermost strip of the plastic panel, the expanded shape of the plastic panel can be maintained immediately after the expansion, and the connection between the plastic panels can be established. This can be easily performed at the same time when the folded plastic panel is extended, and the construction of the plastic panel can be facilitated to improve the workability, and the connection strength between the plastic panels can be stabilized.

[Brief description of the drawings]

FIG. 1 is a partial perspective view of a ground stabilizer showing a first embodiment of the present invention.

FIG. 2 is a partial perspective view of a ground stabilizer showing a second embodiment of the present invention.

FIG. 3 is a partial perspective view of a ground stabilizer showing a third embodiment of the present invention.

FIG. 4 is an explanatory view of a connection portion of a ground stabilizer according to a third embodiment of the present invention.

FIG. 5 is a partial perspective view of a conventional honeycomb plastic panel.

6 is an explanatory diagram for explaining a method of fixing the honeycomb-shaped plastic panel of FIG. 5 to a ground surface.

7 is an explanatory diagram for explaining a method of connecting the honeycomb-shaped plastic panels of FIG. 5 laid on the ground surface.

[Explanation of symbols]

11, 21 Ground stabilizer 12 Plastic panel 12a Strip 12A Outermost strip 12b Cell 13 Fixing member 14 Filler 15 Side surface 22 Lower connecting member 23 Upper connecting member

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) The creator, Masanori Hansaka 2-8-8 Hikaricho, Kokubunji-shi, Tokyo Inside the Railway Technical Research Institute (72) The creator Etsuo Sekine 2-8 Hikaricho, Kokubunji-shi, Tokyo 38 Inside Railway Technical Research Institute (72) Inventor Wataru Ota 6218-11 Okazaki, Hiratsuka-shi, Kanagawa

Claims (5)

(57) [Scope of request for utility model registration] A plurality of strips arranged side by side in the width direction are alternately and repeatedly joined at predetermined intervals to adjacent strips, and a honeycomb-shaped plastic panel expandable in a direction perpendicular to the width direction is formed. In the ground stabilizing material which is laid on the ground surface and filled with a filler in each honeycomb-shaped cell formed by being surrounded by the strip at the time of the spreading, a side surface of the outermost strip of the plastic panel And a fixing member for fixing the plastic panel to the ground surface at a predetermined interval integrally therewith. 2. The ground stabilizer according to claim 1, wherein the fixing member is formed of a needle-like spike. 3. The ground stabilizer according to claim 1, wherein the fixing member is formed of a saw blade-shaped fixing piece. 4. The ground stabilizer according to claim 1, wherein a connection member for connecting adjacent plastic panels is provided on a side surface of an outermost strip of the plastic panel. 5. The ground stabilizer according to claim 4, wherein the connecting member is provided integrally with a fixing member.