JP2002371535A - Vegetation block, and manufacturing form and manufacturing method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow seeding and planting at the revetment of a river, the retaining subgrade of a road, an earth retaining wall, or the like by recycling used PET bottles. SOLUTION: A plurality of sealed hollow PET bottles 12, etc., are lined up upright at a vegetation block manufacturing form formed of a box body opened at the upper face, and then concrete is poured and left for a prescribed period so as to be solidified. The bottom parts of the PET bottles 12, etc., exposed from a solidified vegetation block body 2 are cut off, and soil 14, etc., mixed with plant seeds and fertilizer are filled inside the PET bottles 12, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetation block for greening, for example, river revetment, road revetment, earth retaining walls, etc., a production form thereof, and a method for producing the same. Regarding what was reused.

[0002]

2. Description of the Related Art Conventionally, a vegetation block of this kind has been used in a vegetation block body in order to reduce the weight and material cost of the vegetation block as disclosed in Japanese Patent Application Laid-Open No. Hei 10-147948. In addition to embedding PET bottles, soil containing plant seeds and fertilizer is fixed on the surface of the vegetation block body, and greening of river revetments, road shores, soil retaining walls, etc. is being carried out.

[0003]

However, in the case of the conventional vegetation block, the reuse and the greening of the PET bottle are realized at the same time. However, the PET bottle buried inside the vegetation block main body is not a vegetation block. It is intended to reduce the weight of the main body and the material cost, and is not used for the purpose of greening.

In view of the above problems, the present invention not only can reduce the cost of materials by reusing used PET bottles, but also can improve river bank protection, road shores, earth retaining walls, and the like. It is an object of the present invention to provide a vegetation block that can be greened, a production form thereof, and a production method thereof.

[0005]

In order to solve the above-mentioned problems, a vegetation block according to the present invention is a vegetation block for revetment of rivers, shores of roads, and greening of retaining walls. A plurality of PET bottles are buried in the vegetation block body so that the surfaces of the plurality of PET bottles are exposed, and each buried PET bottle is supported by a support provided in the vegetation block body, and further, each of the exposed PET The surface of the bottle is cut off.

Therefore, the plastic bottle is supported by the support, so that the plastic bottle can be solidified in the arranged state without being pushed down by the flowing pressure of the concrete. For example, the plastic bottle in an upright state or a laid down state can be solidified at a position where the plastic bottle is arranged. Moreover, by embedding the PET bottle in the vegetation block main body, the material cost of the concrete used for the vegetation block main body can be significantly reduced.

[0007] As described in claim 2, it is preferable to fill the cut plastic bottles with soil mixed with plant seeds and fertilizer.

[0008] In this case, plants grow from the soil filled in the PET bottles, revetment of rivers, shores of roads, retaining soil retaining walls are greened, and the PET bottles are reused as vegetation blocks.

Further, the form for producing a vegetation block according to the present invention is provided with a box body which can be assembled and disassembled, wherein the box body is configured to be capable of introducing concrete. A box body is provided with a support for supporting a plurality of sealed hollow PET bottles.

For example, when forming a vegetation block main body having a circular shape in plan view, a vegetation block production form is composed of a disc-shaped bottom plate and four side plates divided into a quarter-arc shape. You. Each side plate is rotatably supported on the peripheral surface of the bottom plate, and a joining mechanism for each side plate is provided with a holding mechanism for holding each side plate in an upright state. Furthermore, the reinforcing frame for reinforcing the vegetation block and supporting the plastic bottle is framed in a vegetation block manufacturing form in a lattice shape, and is provided inside. Then, by embedding a plurality of PET bottles, there is a concern that the strength of the vegetation block body will decrease, and the strength of the embedded portion of each PET bottle may decrease most. By contacting and supporting the bottle, it will be arranged around the buried part of the PET bottle,
The strength of the vegetation block main body can be secured.

The holding mechanism has a contact plate welded to the joint between the side plates and a fastening member (for example, a bolt or a nut) for fastening the joined contact plate. With this holding mechanism, each side plate is held upright, and the production form of the vegetation block is assembled into a tub-shaped box. Thereafter, a plurality of sealed hollow bottomed square cylindrical PET bottles are laid down on the reinforced steel, and concrete is poured from the upper opening of the production formwork, and left for a predetermined period. Allow the concrete to solidify.

However, when the PET bottle is laid down, the surface of the PET bottle exposed from the concrete must be
Adjust the amount of concrete poured into the vegetation block production formwork so as to make it less than half of the whole.

After a lapse of a predetermined period, the fastening member is removed from each contact plate, the upright side plates are folded down, and the vegetation block production form is disassembled to produce a disk-shaped vegetation block. .

Next, the sides of the PET bottles exposed from the vegetation block main body are cut off, and the inside of each PET bottle is filled with soil mixed with plant seeds and fertilizer. Then, the flowers will germinate from the soil filled in each plastic bottle, and greening can be achieved.

Further, according to a fourth aspect of the present invention, there is provided a method for manufacturing a vegetation block, wherein the vegetation block according to the third aspect is supported on a production form of the vegetation block by a support of the vegetation block production form. After a plurality of sealed hollow PET bottles are juxtaposed, concrete is poured and left for a predetermined period so that the surfaces of the juxtaposed PET bottles are exposed, and then exposed from the solidified vegetation block main body. The surface of the PET bottle is cut off, and the inside of the PET bottle is filled with soil mixed with plant seeds and fertilizer.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described. The vegetation block of the present invention has a vegetation block main body in which a plurality of PET bottles are buried, each buried PET bottle is supported by a support provided in the vegetation block main body, and the surface of each PET bottle is The surface of each exposed PET bottle exposed from the vegetation block body is cut off, and the inside thereof is filled with soil mixed with plant seeds and fertilizer.

By stacking the vegetation blocks on the slopes of rivers and the like, it is possible to recycle used PET bottles while greening the slopes.

[0018]

First Embodiment An embodiment will be described below. First,
A vegetation block according to a first embodiment applied to greening of a slope having a gentle slope will be described with reference to FIGS. 1 (A), 2 and 3. FIG. The vegetation block includes a vegetation block main body 2 made of a concrete block and having a rectangular shape in plan view, and a plurality of plastic bottles 12 embedded in the vegetation block main body 2.
….

The vegetation block main body 2 is formed with a branched groove 3 on the surface, and the surface of the vegetation block main body 2 is divided into various shapes by the grooves 3. Further, the grooves 3 allow drainage of rainwater or the like accumulated in the vegetation block main body 2 to be efficiently drained even on a gentle slope.

The plastic bottle 12 has, for example, a cylindrical shape with a bottom or a rectangular tube with a bottom.
are formed at substantially equal intervals. Moreover, the spout 12 b of the PET bottle 12 is sealed by the cap 13. Further, the bottom of the plastic bottle 12 is cut off, and the inside of the plastic bottle 12 is filled with soil 14 mixed with plant seeds and fertilizer.

The vegetation block main body 2 is manufactured by a vegetation block manufacturing form comprising a box 1 of a vegetation block manufacturing form having a rectangular shape in plan view having an open upper surface. The box 1 includes a bottom plate 4 on which ribs 4a for forming grooves 3 are formed on the surface of the vegetation block main body 2, a front side plate 5 and a rear side plate 6 on a short side, a left side plate 7 and a right side on a long side. And a plate 8. The ribs 4a are also useful for reinforcing the bottom plate 4. The box 1 of the production form of the vegetation block is provided with a reinforcing steel bar framed in a lattice shape as a support 9.

The front plate 5, the rear plate 6, the left plate 7 and the right plate 8 are rotatably supported on the bottom plate 4 by a plurality of hinges 10,. Each hinge 10 arranged before and after…
Are connected to both sides of the front end and the rear end of the bottom plate 4 and both sides of the lower end of the front plate 5 and the rear plate 6, and hinges 10,... The front, rear, and center of the right end are connected to the front, rear, and center of the lower ends of the left and right plates 7 and 8, respectively.

Further, the front plate 5, the rear plate 6, and the left plate 7
The front plate 5 and the rear plate 6, the left plate 7 and the right plate 8 are erected at both corners of the upper end of the right and right plates 8, and serve as a holding mechanism for holding the vegetation block in the box 1 of the production formwork. The open / close lock members 11,... Are attached.

The opening / closing lock member 11 includes an L-shaped hook 11a implanted at both corners at the upper end of the front plate 5 and at both upper ends of the rear plate 6, a left plate 7 and a right plate. 8
Bracket 11b attached to both corners of the upper end
A handle lever 11c whose base is rotatably supported by the support bracket 11b; and a handle lever 11c.
And a rotatable hook fitting 11d provided at the front end.

The hook fitting 11d has a handlebar lever 11c at the ends of both straight portions of a wire bent in a U-shape.
Are bent vertically so as to penetrate and engage with the hook 11a, and the straight portions on both sides are bent in a U-shape so as to be easily engaged with the hook 11a.

Then, the hook 11d is connected to the hook 11a.
When the handle lever 11c is rotated so as to be pulled, the locked state of the hook fitting 11d is locked,
The front side plate 5 and the rear side plate 6, the left side plate 7, and the right side plate 8 are maintained in an upright state, and a vegetation block production formwork including the vegetation block production form box 1 having an open upper surface is assembled. Can be

On the other hand, when the handle lever 11c is rotated in the opposite direction, the hook 11d is detached from the hook 11a, unlocked, and the front side plate 5, the rear side plate 6, the left side plate 7, and the right side plate 8 fall down. State, that is, the front side plate 5 and the rear side plate 6, the left side plate 7 and the right side plate 8 are in an opened state,
The box 1 of the production form of the vegetation block is in a disassembled state.

The support member 9 includes a front support bar 9a and a rear support bar 9b which are arranged at a predetermined interval in front and rear.
Cross (or cross at right angles) both support bars 9a, 9b on both sides and the center of both support bars 9a, 9b.
.., And a plurality of horizontal reinforcing bars 9d,..., Which are erected so as to intersect the respective vertical reinforcing bars 9c,.

The support 9 is bent downward at both ends of the front support bar 9a and the rear support bar 9b so that it can be easily placed on the bottom plate 4 of the box 1 of the vegetation block production form. Having leg portions.

When the support 9 is mounted in the box 1 of the formwork for producing a vegetation block, the legs of the front supporting reinforcing bar 9a and the rear supporting reinforcing bar 9b are connected to the bottom plate of the box 1 of the producing form for the vegetation block. 4, and vertical reinforcing bars 9 c,.
.. are located at substantially the center of the vegetation block production form, apart from the bottom plate 4 of the box 1.

The vegetation block body 2 is reinforced by mounting the support 9 in the box 1 of the vegetation block production formwork, and a plurality of vegetation blocks are arranged in parallel with the box 1 of the vegetation block production formwork. Are supported without being pushed down by the poured concrete.

Next, a method of manufacturing a vegetation block will be described. First, the box 1 of the form for producing the vegetation block described above.
Are assembled in the box 1, and a plurality of plastic bottles 12,... Are arranged side by side in an upright state as appropriate, and concrete is further added to the box 1 of the formwork for producing vegetation blocks. Pour and leave for a predetermined period.

In this case, the concave portion 12a of the plastic bottle 12
Are contacted with the vertical reinforcing steel bars 9c,... And the horizontal reinforcing steel bars 9d,. ing.

In addition, the spout 12b of the plastic bottle 12
Is sealed with the cap 13, so that the air inside the plastic bottle 12 does not escape from the spout 12b, and the plastic bottle 12 is prevented from being crushed or deformed by the flowing pressure of the concrete.

After a curing period, that is, a period during which the concrete hardens, the locking of the opening / closing lock member 11 is released and the upright front side plate 5, rear side plate 6, left side plate 7 and right side plate 8 are laid down, and the vegetation is reduced. The box 1 of the block forming form is disassembled, and the rectangular vegetation block main body 2 is removed from the box 1.

In this case, the caps 13 of the plastic bottles 12 arranged side by side are provided on one upper surface of the vegetation block main body 2.
Is exposed. On the other hand, on the lower surface of the vegetation block main body 2, a groove 3 is formed by the rib 4a of the bottom plate 4 of the box 1 of the vegetation block production form, and the bottom of each plastic bottle 12,. are doing.

Next, the other surface of the lower vegetation block body 2 is turned upward, the bottom of the exposed plastic bottles 12,... Is cut off, and plant seeds, fertilizer, etc. are placed inside the plastic bottles 12,. Is filled with the soil 14 mixed with.

As shown in FIG. 4A, a plurality of vegetation blocks thus completed are placed on a slope A having a relatively gentle slope.
The flowers germinate from the soil 14 of 2, 2, and the slope can be greened. In addition, the use of a large amount of discarded PET bottles 12,... Has the effect of recycling PET bottles, reducing the weight of concrete products, and the effect of saving concrete. However, the use of many PET bottles 12,. PET bottle 1
The buried parts of 2, ... decrease. Therefore, in the present invention, the PET bottles 12,... Are supported by contacting the PET bottles 12,.
.. Are arranged around the buried portion, and the strength of the vegetation block main body 2 is improved.

As a result of an experiment in which the apparatus was left in the summer for 30 days without watering, no summer withering was observed.

However, for plants with poor water absorption, cap 1
By piercing a plurality of holes in 3 and keeping water for a long time, it is possible to prevent root rot of plants.

In the case of the first embodiment, the shape of the vegetation block main body 2 is rectangular in plan view. However, the shape of the vegetation block main body 2 may be circular, elliptical, triangular, square, pentagonal, hexagonal, octagonal, etc. excluding rectangle. It may be square. In short, the vegetation block main body 2 only needs to have a shape that can be stacked on the slope.

Groove 3 formed in vegetation block main body 2
Need not be limited to the illustration, the vegetation block body 2
Any shape may be used as long as it can drain the water droplets accumulated in the space, and for example, it may be formed like a grid.

Further, in the case of the first embodiment, the plastic bottles 12 arranged side by side may be plastic bottles 12 having no concave portion 12a, but the plastic bottles 12 are provided inside the box 1 of the production form of the vegetation block. In order to be surely supported by the supporting member 9, a plastic bottle 12 having a concave portion 12 a that comes into contact with the supporting member 9 is preferable.

Further, the PET bottles 12 arranged side by side
The capacities and shapes need not be the same, but may be different capacities and shapes. For example, a 500 cc, 1.5 liter, 2 liter capacity is used.

In addition, although the plastic bottle 12 is set upright on the box 1 of the production form of the vegetation block, it may be inverted. In this case, the portion of the plastic bottle 12 to be cut off is the body of the plastic bottle 12 or a portion near the spout. Further, the PET bottles 12 may be juxtaposed in a state where the PET bottles 12 are laid down. In this case, the side surface or the peripheral surface of the PET bottle 12 exposed from the vegetation block main body 2 is cut in parallel to the axial direction. Further, the upright PET bottle 12, the inverted PET bottle 12, and the inverted PET bottle 12 may be mixed and juxtaposed.

In short, by cutting off the surface of the PET bottle 12 exposed from the vegetation block main body 2 in a direction parallel or perpendicular to the axial direction, the soil 14 mixed with plant seeds and fertilizer is put inside the PET bottle 12. What is necessary is just to be able to fill.

Although the vegetation block main body is manufactured by flowing concrete and solidifying it, not only concrete but also resin may be poured and solidified. However, in this case, in order to maintain the strength, a quick-drying cured resin is preferable. For example, it can be hardened by a resin hardened by two-liquid mixing such as an epoxy resin.

Further, in the case of the first embodiment, the hook 11 is used as a holding mechanism of the box 1 of the production form of the vegetation block.
a, opening / closing lock member 1 having handle lever 11c and the like
Although the first embodiment has been described as an example, an opening / closing lock member using a bolt, a nut, or an uneven fitting may be used. However, it is preferable that the vegetation block has a structure capable of easily assembling and disassembling the box 1 of the production form.

In addition, the box 1 of the vegetation block production formwork
The front side plate 5, the rear side plate 6, and the left and right side plates 7, 8 do not need to be rotatably supported by the bottom plate 4, and may be detachably attached to the bottom plate 4. The front side plate 5, the rear side plate 6, and the left and right side plates 7, 8 of the box 1 of the production form of the vegetation block may be divided into a plurality. In short, the box 1 of the production form of the vegetation block only needs to be a configuration that can be assembled and disassembled.

In the first embodiment, concrete is introduced from the upper opening of the box 1 of the vegetation block production formwork, but the upper opening of the box 1 is closed by the upper plate. Then, an introduction pipe is pierced through one of the front side plate 5, the rear side plate 6, and the left and right side plates 7, 8 of the vegetation block production form box 1, and the vegetation block production form box 1 is formed. Concrete may be introduced inside.

Further, in the case of the first embodiment, the support 9 of the PET bottle 12 is a reinforcing bar framed in a lattice, but a metal fitting having substantially the same shape as the outer shape of the PET bottle 12 is attached to the bottom plate of the box 1. 4 may be fixed. In short, the support 9 may be any one provided with a means capable of supporting the PET bottle 12 so as not to fall down due to the flowing pressure of the concrete.

However, if the reinforcement of the vegetation block main body 2 and the support of the plastic bottle 12 are constituted by separate members, the number of parts increases, and therefore, as in the above-described first embodiment, the reinforcing bar
It is desirable to serve both to reinforce the vegetation block body 2 and to support the PET bottle 12.

[0053]

Second Embodiment Next, a vegetation block according to a second embodiment applied to a steep slope will be described with reference to FIG. The vegetation block main body 20 of the second embodiment includes, for example,
It has a rectangular parallelepiped shape with a vertical dimension × a horizontal dimension of 1 m × 1 m and a thickness dimension of 20 cm. On the other surface of the vegetation block main body 20, no groove is formed, and four corners are cut off to form an inclined portion 2.
Are formed, and V-shaped cutouts 22, 22 are formed at the center of both left and right inclined portions 21,.

In addition, fitting recesses are respectively provided between the inclined portions 21 and notches 22 on the lower left side and between the inclined portions 21 and notches 22 on the lower right side so that the vegetation block bodies 20 can be stacked. 23, 23 are formed, and the sloping portion 2 on the upper left side of the vegetation block body 20 is formed.
1. Between the notches 22 and the upper right slope 21, the notches 2
Fitting projections 24 are formed between the two.

Further, a shackle fitting 25 having a U-shaped cross section is implanted on each of the inclined portions 21..., And a shackle fitting 25 of the same shape is provided at the deepest portion of both cutouts 22. It is planted vertically. The shackle metal fitting 25 is used for suspending the vegetation block main body 20 with a crane or the like and for stacking a plurality of vegetation block main bodies 20.
When they are temporarily fixed and hardened with mortar, they serve to reinforce the mortar.

In addition, at the four corners of the vegetation block main body 20, bottomed square cylindrical PET bottles 12,... Are respectively provided side by side, and at the center of the vegetation block main body 20, bottomed cylindrical PET bottles 12,. Are arranged side by side at equal intervals two by two, and these bottomed cylindrical plastic bottles 12,
, Two PET bottles 12,... Of the same shape are arranged vertically at the center of the vegetation block main body 20 with.

As in the first embodiment, the bottoms of the PET bottles 12,... Are cut off, and the PET bottles 12,.
Is filled with soil mixed with plant seeds and fertilizer. The description of the production form of the vegetation block main body 20 and the production method thereof will be omitted.

Then, hooks such as cranes are hooked on the shackle fittings 25,... Of the vegetation block main body 20, the vegetation block main body 20 is suspended, and the side of the vegetation block main body 20 is joined to the lowermost step of the slope. The block bodies 20 are juxtaposed in the left-right direction.

Next, the fitting recesses 23, 23 of one vegetation block 20 are fitted over the fitting projections 24, 24 of the two lowermost adjacent vegetation block bodies 20, 20 and stacked. , Each vegetation block body 20 stacked
Are joined side by side. In this manner, the slope is sequentially stacked from the lower side to the upper side.

At this time, the diamond shaped gaps 26 formed by the inclined portions 21 of the vegetation block main bodies 20 adjacent on the left and right and the cutout portions 22 of the vegetation block main bodies 20 adjacent on the upper and lower sides are formed. , Adjacent vegetation block body 20
Shackle fittings 25, 2 of both inclined portions 21, 21
5 and the shackle metal fitting 25 in the vertical direction of the notch 22 of the vegetation block main body 20 stacked on the adjacent vegetation block main bodies 20, 20 are temporarily fixed. Is done.

Further, the mortar 2 is inserted into the diamond-shaped gaps 26 formed by the vegetation block bodies 20.
Are packed, the respective vegetation block bodies 20,... Are securely fixed to the slopes, and the mortar is reinforced by the shackle metal fittings 25.

[0062] Then, as time passes, each vegetation block 2
The seeds of the plant germinate from the soil 14 filled in the PET bottles 0,..., And the slope can be greened.

In the case of the second embodiment, as in the case of the first embodiment, the shape of the vegetation block main body 20 may be any shape as long as it can be stacked, and is not limited to the illustration. However, in order to stack the plurality of vegetation block bodies 20,... Reliably, it is better to form the fitting recesses 23, 23 and the fitting projections 24, 24 on the side surfaces of the vegetation block body 20, and to use the shackle fitting 25. ,... Are more preferably planted.

The arrangement of the PET bottles 12 and the shape and capacity of the PET bottles 12 are not limited to those shown in the drawings.

As described above, in both of the first and second embodiments, the plastic bottles 12 that have been disposed of as industrial waste with great cost and labor can be easily reused, and the slopes can be reduced. Greening can be achieved.

In each of the first and second embodiments, the seeds of the plant mixed into the soil 14 filled in the plastic bottle 12 are adapted to the environment around the juxtaposed vegetation blocks. Things are selected. For example, wormwood, medhagi, bermudagrass, etc. are selected.

Further, the soil 14 to be filled in the PET bottle 12 is selected from those adapted to the environment around the juxtaposed vegetation blocks, like the seeds of the plant. For example, artificial soil such as peat moss or vermiculite is selected.

In addition to the first and second embodiments, the vegetation block of the present invention can of course be applied to the greening of the roof of a reinforced concrete building or the mortar spraying surface.

[0069]

As described above, according to the vegetation block of the present invention, a plurality of PET bottles are embedded so that the surfaces of the PET bottles are exposed from the vegetation block main body, and each embedded PET bottle is connected to the vegetation block main body. Since it is supported by the support provided in the plastic bottle, it is effective to solidify the plastic bottle in a state where the plastic bottle is arranged, and is effective to improve the production efficiency. Moreover, PET bottles are used, and if you bury a lot of PET bottles,
That leads to cost reduction.

Further, the surface of each exposed PET bottle is cut off, and the inside of each cut out PET bottle is filled with soil mixed with plant seeds and fertilizer to grow plants. This is effective for simultaneously realizing environmental protection such as revetment, retaining of roads, retaining walls, etc., and reuse of industrial waste.

Further, according to the form for producing a vegetation block of the present invention, a box body which can be assembled and disassembled is provided, and a support for supporting a plurality of sealed hollow PET bottles is provided. A wide variety of vegetation blocks of circular, elliptical, and polygonal shapes can be manufactured in plan view, and if a plurality of plastic bottles are supported by the support, the buried portion of each plastic bottle is reinforced, and the strength of the vegetation block body is increased. Also has the effect of improving.

In addition, according to the method for manufacturing a vegetation block of the present invention, a plurality of sealed hollow vegetation blocks are mounted on a support provided on a form for manufacturing a vegetation block. After the PET bottles are juxtaposed, concrete is poured and left for a predetermined period to be solidified, the exposed portions of the PET bottles exposed from the vegetation block body are cut off, and plant seeds and fertilizer are mixed inside the PET bottles. Since the soil is filled, the vegetation block can be easily and inexpensively manufactured.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, wherein (A) is a vegetation block according to a first embodiment of the present invention, and (B) is a vegetation block according to a second embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a main part of the vegetation block of FIG. 1 in which a PET bottle is embedded.

FIG. 3 is a perspective view showing a production formwork of the vegetation block of FIG. 1 (A).

FIG. 4 is a construction example of the vegetation block of the present invention, wherein (A)
(B) is a construction example of the vegetation block of the first embodiment of the present invention, and (B) is a construction example of the vegetation block of the second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 Vegetation block manufacturing form box 2, 20 Vegetation block main body 3 Groove 4 Bottom plate 4a Rib 5 Front side plate 6 Rear side plate 7 Left side plate 8 Right side plate 9 Support body (rebar) 9a Front support bar 9b Rear support bar 9c Vertically laid reinforcing bar 9d Horizontally laid reinforcing bar 10 Hinge 11 Opening / closing lock member 11a Hook 11b Support metal 11c Handle lever 11d Hook metal 12 Plastic bottle 12a Concave part 12b Spout port 13 Cap 14 Soil 21 Inclined part 22 Notch part 23 Fitting concave part 24 Fitting Convex part 25 Shackle bracket 26 Gap 27 Mortar

Claims (4)

[Claims] 1. A vegetation block for greening a river bank, a road bank, a soil retaining wall, etc., is buried in a vegetation block main body such that the surface of a plurality of plastic bottles is exposed. The vegetation block, wherein each of the plastic bottles is supported by a support provided on the vegetation block main body, and the surface of each of the plastic bottles is cut off. 2. Inside each of the removed PET bottles,
The vegetation block according to claim 1, wherein the soil is mixed with soil mixed with plant seeds or fertilizer. 3. A box that can be assembled and disassembled is provided, the box is configured to be able to introduce concrete, and the box supports a plurality of sealed hollow PET bottles. A production form for a vegetation block, comprising: a support member; 4. A plurality of sealed hollow PET bottles are juxtaposed to the vegetation block manufacturing form according to claim 3 so as to be supported by a support of the vegetation block manufacturing form. Then, concrete is poured and left for a predetermined period so that the surface of the juxtaposed PET bottles is exposed, and the surface of the exposed PET bottles is cut off from the solidified vegetation block main body, and the plant is placed inside the PET bottles. A method for producing a vegetation block, which comprises filling soil mixed with seeds and fertilizer.