JP2923940B2 - Precast concrete planting retaining block and planting block mobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retaining wall block for planting, on which plants can be planted, and a moving body for planting blocks, on which plants can be planted and moved.

[0002]

Conventionally, as this type of retaining wall block for planting, there is known a retaining wall block in which a concave portion is formed on the front surface of the retaining wall block and the concave portion is filled with soil. Japanese Laid-Open Patent Publication No. 57-193740 discloses that a plurality of retaining wall blocks are vertically assembled along a slope, back-filled at the rear of the assembled retaining wall blocks, and a bottom plate of the retaining wall blocks. There is proposed a retaining wall block with a planting floor, in which a steel fence is erected in front of the building, and a recess formed between the iron fence and the retaining wall block is filled with soil to plant the planting floor.
Japanese Patent Application Laid-Open No. 2-178422 proposes a retaining wall in which a foundation and an inclined wall are integrally formed. This retaining wall is formed by assembling a formwork on site. ,
Cannot plant.

[0003] The above-mentioned retaining wall block is mainly constructed on site by installing a lower block at a site, positioning the block on an upper portion of the lower block, assembling the block, and back-filling the rear portion. However, it was difficult to reduce the number of construction steps on site. In addition, since the concave portion is formed on the front side of the retaining wall block, the size of the concave portion is limited, and it is difficult to plant a relatively large tree or the like. And the roots of the plant were unable to absorb moisture and nutrients from the back of the retaining wall block.

Accordingly, an object of the present invention is to provide a retaining wall block for planting which can improve on-site workability and has good plant rooting. It is an object of the present invention to provide a planting block movable body that can be moved by using the method.

[0005]

According to the first aspect of the present invention, a vertical side plate portion is provided on both left and right sides of a bottom plate portion, and a vertical front edge and an upper and lower direction edge are provided on the front side of these side plate portions. The left and right side plates are formed with a plurality of steps,
The mouth portion is provided, the laterally adjacent the leading edge of each stage along with closing the front plate portion of the substantially vertical direction, the side inner surface of the front plate portion
It is provided integrally with the front edge of the plate, and the lower edge and lower
An upper edge of the front plate portion of the step and an upper edge of the left and right side plate portions;
Between, forming a planting opening communicating with the rear opening
The bottom plate portion between the side plate portions on both sides, the side plate portion and
A parallel buttress wall is provided, and the
It has a vertical front edge that is almost the same shape as the
The stepped portion is formed in a plurality of steps, and the
An edge is integrally provided on an inner surface of the front plate portion, and an inner surface of the front plate portion is provided.
And the inner surface of the front plate portion is the bent portion.
The lower side of the front plate is inclined backward, and the upper edge of the lower front plate portion
And the lower edge of the front plate portion of the upper stage is formed at substantially the same height.The retaining wall block molded at the factory is installed on the site, the rear portion is backfilled, and the front of each stage is The rear part of the board part is filled with soil, and plants can be grown in the soil. Further, the front and rear molds forming the front side and the rear side of the retaining wall block do not overlap, and the front and rear molds can be relatively easily removed in the front-rear direction. Moreover,
In the front plate on the upper side, the lower side of the bent part is formed backward.
Therefore, soil can be held stably.

According to a second aspect of the present invention, the upper part of the butting wall is provided.
The edge is formed lower than the upper edge of the side plate portion , and if soil is filled, a retaining wall portion does not appear between the side plate portions, and
Planting can be performed visually in succession.

According to a third aspect of the present invention, the rear opening of the retaining wall block for planting of the first aspect is closed by a rear plate, and the rear opening is closed by the rear plate. Therefore, the inside soil does not leak, and the planted concrete structure can be moved and displayed as it is, or can be installed in a place other than the retaining wall.

[0008]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 to 5 show a first embodiment of the present invention, in which a planting retaining wall block 1 made of precast concrete has a long bottom plate 2 in the left-right direction. Longitudinal side plates 3, 3 on both sides
Are provided integrally, and the rear edge 3B of the side plate portion 3 is
It is cut out in a roughly rectangular shape. The side plate portion 3 is provided with three stepped steps 4, 4, and 4 at the front side thereof. The step portion 4 is substantially parallel to the vertical front edge 5 and the bottom surface of the bottom plate portion 2 in the front-rear direction. And a parallel upper edge 6. An opening between the front edges 5 and 5 of the horizontally adjacent steps is closed by a vertical front plate portion 7 , and both sides of an inner surface 7 </ b> N of the front plate portion 7 are provided integrally with the front edges 5 and 5. forming a lower edge 7D of the upper front plate portion 7, and the upper edge 7U of the lower front plate portion 7, the planting opening S between the upper edge 6, 6 of the left and right side plates 3, 3 with a lower edge 7D of the upper front plate portion 7, to form the height of the upper edge 7U of the lower front plate portion 7 in substantially the same. Actually, as shown in FIG. 2, the lower edge 7D of the upper front plate 7 is formed slightly lower. In addition, the planting openings S, S, S of each step and the rear opening 1K of the retaining wall block 1 communicate with each other. The inner surface 7N of the front plate portion 7 is inclined such that the lower edge 7D faces rearward, has a bent portion 7K on the lower side, and the lower side of the bent portion 7K is inclined at approximately 45 degrees. .
Further, the front surface 7G of the lowermost front plate portion 7 is formed substantially vertically, and the upper surface 2U of the bottom plate portion 2 is formed as a gentle slope that descends rearward. Between the left and right side plates 3, 3, buttress portion 8 parallel almost the same shape as the side plate part 3 is provided with a plurality equally spaced, the buttress portion 8, the
The front edge is the inner surface 7N, 7N, 7N of the front plate portion 7, 7, 7 of each step.
And a lower portion thereof is integrally provided with the bottom plate portion 2. An upper edge 8U of each step of the buttress wall portion 8 is formed slightly lower than the upper edge 7U, and a rear edge 8U is formed.
B is cut out in a substantially rectangular shape, similarly to the rear edge 3B of the side plate portion 3. Further, as shown in FIG. 3, the retaining wall portion 8 is formed in a tapered shape so that the width thereof is slightly narrowed toward the rear, and the inner surface of the side plate portion 3 is also directed toward the rear. 4 is inclined so as to be narrower. The bottom plate 2 has a side plate 3 and a retaining wall 8.
And between the buttress walls 8,8, a substantially rectangular hole 9
Are formed. Further, above and below the side plate portion 3,
Connection holes 10, 10 are provided.

FIG. 4 shows a formwork for forming the retaining wall block 1. The formwork includes a front molded portion 11 formed following a corresponding portion of the retaining wall block 1,
The rear surface molding unit 12, the upper surface molding unit 13, the bottom surface molding unit 14, and the side plate molding units (not shown) for molding the outer surfaces of the left and right side plate units 3, 3 are provided. Edge 8U
An upper edge molding portion 13A for molding the hole 9 is provided, and a hole molding portion 14A for molding the hole 9 is provided in the bottom molding portion 14.
Is provided. Then, the mold is assembled, concrete is filled in the inside, and when the concrete is hardened, the rear molding part 11 is released in the direction of the upper surface 2U of the bottom plate part 2 and the front molding part 11 is slightly inclined upward. Demold. still,
The front molding part 11 may be divided and molded, or a moving plate for molding the upper edges 7U and 8U may be separately provided.

Next, a method of constructing the retaining wall block 1 will be described. A plurality of retaining wall blocks 1 manufactured in a factory are carried into a site, and as shown in FIG. And the retaining wall block 1 is installed on the foundation concrete 22, and the adjacent retaining wall blocks 1, 1 are connected to each other by connecting members 23 such as bolts and nuts inserted into the connecting holes 10. . In this case, since a plurality of holes 9 are formed in the bottom plate portion 2, by filling the holes 9 with concrete forming the base concrete 22, the base concrete 2 is filled.
22 and the retaining wall block 1 are integrated. Then, the ground 24 at the rear part of the retaining wall block 1 is backfilled, the soil 25 is filled in the retaining wall block 1, and the soil 25 is finished to substantially the same height as the planting opening S. Planting opening S
Plant 26 is cultivated by the soil 25 of the above.

As described above, in the present embodiment, the vertical side plates 3 and 3 are provided on both left and right sides of the bottom plate 2, and the vertical side plates 3 and 3 are provided on the front side of these side plates 3 and 3. before the step portion 4 is formed in a plurality of stages having an edge 5 and the upper edge 6 of the front-left
The rear of the right side plate portions 3,3, provided rear opening 1K, the leading edge 5 of each stage adjacent to the lateral <br/> direction with closing the substantially vertical direction of the front plate portion 7, the front plate The inner surface 7N of the portion 7 is the front edge of the side plate portion 3.
5 and the lower edge 7D of the upper front plate 7 and the front of the lower row.
The upper edge 7U of the plate portion 7 and the upper edges 6 of the left and right side plate portions 3, 3
6, a planting opening S communicating with the rear opening 1K.
Is formed on the bottom plate portion 2 between the side plate portions 6 and 6 on both sides.
A buttress wall 8 parallel to the plate 3 is provided.
On the side, the vertical front edge and the front-back direction
A step having an upper edge 8U is formed in a plurality of steps, and
The front edge of the wall portion 8 is integrally provided on the inner surface 7N of the front plate portion 7.
In addition to providing the bent portion 7K on the inner surface 7N of the front plate portion 7,
The inner surface 7N of the front plate portion 7 has the lower side of the bent portion 7K facing backward.
The upper edge 7U of the lower front plate 7 and the upper front plate 7
Since the lower edge 7D and the lower edge 7D are formed at substantially the same height, the retaining wall block 1 molded at the factory is installed on the site,
In addition to backfilling the rear part, the rear part of the front plates 7, 7, 7 of each step is filled with soil 25, and plants 26 can be cultivated in the soil 25, and the bottom of the planting opening S is ground. Since it is in communication with the mountain 24, the roots of the plant 26 can be widened, and moisture and nutrients can be absorbed from the ground 24 side.
Further, since the bottom plate 2 is formed integrally with the bottom of the retaining wall block 1, the bottom plate 2 is formed by backfilling.
The load of the ground 24 is applied, and the retaining wall block 1 becomes excellent in stability. Moreover, the strength and stability of the retaining wall block 1 are improved by the retaining wall portion 8 provided between the side plate portions 3. Further, the front molding portion 11 and the rear molding portion 12 forming the front side and the rear side of the retaining wall block 1 do not overlap, and the front molding portion 11 and the rear molding portion 12 can be relatively easily removed in the front-rear direction. be able to. Further, at the site, even if the rear space of the front plate 7 is filled with the soil 25, it does not leak to the lower stage . Be teeth, the front plate portion 7 of the upper side, since the lower side of the bent portion 7K is formed rearwardly, it is possible to stably hold the soil 25.

As described above, according to the present embodiment, the upper edge 8U of the retaining wall portion 8 is separated from the upper edge 3U of the side plate portion 3.
Since it is formed low, if the soil 25 is filled, the retaining wall portion 8 does not appear between the side plate portions 3 and 3, and it is possible to perform continuous planting in appearance.

Further, as an effect on the embodiment, the edge 3B after the side plate section 3 and the buttresses portion 8, 8B and because cut out into a substantially dogleg shape, it is possible to reduce the weight of the retaining wall block 1. In addition, since a plurality of holes 9 are formed in the bottom plate portion 2, the holes 9 are filled with the foundation concrete 22 to integrate the two, and the movement of the retaining wall block 1 in the front-rear and left-right directions is restricted. . Further, since the connection holes 10 and 10 are formed vertically in the side plate portion 3, the adjacent retaining wall blocks 1 and 1 can be easily connected by the connection tool 23. Further, since the rear portion of the front plate portion 7 is partitioned by the retaining wall portion 8, it is convenient to align and plant the plants 26 such as trees. Further, since the rear portion of the bottom plate portion 2 extends to the rear of the uppermost front plate portion 7, the stability of the retaining wall block 1 is increased.

FIGS. 6 and 7 show a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. The planting block moving body 31 is formed by closing the rear opening 1K of the retaining wall block 1 of the first embodiment. In the planting block moving body 31, the side plate portion 3 The rear edge 3B is formed vertically, and the connection hole 10 and the hole 9 are not formed. As shown in FIG. 7, a rear plate portion 32 made of precast concrete is inserted into the rear opening 1K with bolts or the like. Fixing member
Fix with 33. Then, for example, the soil 25 is filled in a block moving body 31 having a height of about 1.5 meters, and the plant 26 is cultivated in the planting opening S, and is transported and displayed as it is. After the exhibition is completed, move it to another location and use it.

As described above, according to the present embodiment, the left and right sides of the bottom plate 2 are provided with the vertical side plates 3, 3 and the front of the side plates 3, 3 is provided with the vertical side. A step portion 4 having a front edge 5 and an upper edge 6 in the front-rear direction is formed in a plurality of steps, and a substantially vertical front plate portion 7 is provided between the front edges 5 adjacent horizontally.
And the rear of the upper and lower front plate portions 7 and 7 are connected by a longitudinal retaining wall portion 8, and the retaining wall block 1 for planting is formed by connecting the retaining wall portion 8 to the bottom plate portion 2. The side opening 1K is closed by a rear plate portion 32. Since the rear opening 1K is closed by the rear plate portion 32, the soil 25 inside does not leak, and the planted block is used. The moving body 31 can be moved and displayed as it is, or can be installed at a place other than the retaining wall, and can be used as a relatively large step-like moving flower bed or the like.

Also, as an effect of the embodiment, since the rear side portion 32 is fixed to the front side of the block moving body 31 after molding the front side thereof, the assembling work is easy.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, in the embodiment, the three-stage retaining wall block is shown, but the lowermost front plate portion and the upper front plate portion only have to be provided.
It can also be formed in two steps or four or more steps. Further, the number of the retaining walls can be changed as appropriate depending on the earth pressure at the installation location. Further, since a plurality of holes are formed in the bottom plate portion, of the plurality of holes, one can be selectively used for filling the foundation concrete and one not filling, and the unfilled hole can be used as a drainage hole. . Further, the planting block moving body is movable at least from the factory to the place of use, but may be fixedly installed at the moving place.

[0018]

According to the first aspect of the present invention, a vertical side plate is provided on both the left and right sides of the bottom plate, and a step having a vertical front edge and an upper and lower front edge is provided on the front side of these side plates. forming a plurality of stages, to the rear of the left and right side plates, the provided rear opening, the front edge of each stage adjacent to the lateral <br/> direction by the front plate portion of the substantially vertical direction
While closing, the inner surface of the front plate is aligned with the front edge of the side plate.
A lower edge of the upper front plate portion and a lower front plate portion provided on the body;
Between the upper edge of the side plate and the upper edge of the left and right side plate portions.
Forming a planting opening communicating with the side opening,
A siding wall parallel to the side plate on the bottom plate between the side plates;
Is provided on the front side of the butting wall, substantially the same shape as the side plate.
Multiple steps with a vertical front edge and a front-rear upper edge
A step is formed, and a front edge of the butting wall portion is connected to the front plate portion.
Are provided integrally with the inner surface of the front plate, and a bent portion is provided on the inner surface of the front plate portion.
And the inner surface of the front plate portion has the lower side of the bent portion
The upper edge of the lower front plate and the upper front
Provided is a precast concrete planting retaining wall block in which the lower edge of the plate portion is formed at substantially the same height , the workability on site can be improved, and the plant roots are good. Can be.

According to a second aspect of the present invention, the upper part of the buttress wall is provided.
An edge is formed to be lower than the upper edge of the side plate portion , and it is possible to improve on-site workability, and to provide a precast concrete planting retaining wall block having good plant rooting. it can.

According to a third aspect of the present invention, the rear opening of the planting retaining wall block of the first aspect is closed by a rear plate portion, and the rearing portion is moved using the precast concrete planting retaining wall block. A possible plant block moving body can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a retaining wall block for planting showing a first embodiment of the present invention.

FIG. 2 is a sectional view of a planting retaining wall block showing a first embodiment of the present invention.

FIG. 3 is a rear view of the retaining wall block for planting showing the first embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a first embodiment of the present invention when the retaining wall block for planting is molded using a mold.

FIG. 5 is a cross-sectional view of the first embodiment of the present invention in use of the retaining wall block for planting.

FIG. 6 is a perspective view of a planting block moving body according to a second embodiment of the present invention.

FIG. 7 is a sectional view of a planting block moving body according to a second embodiment of the present invention.

[Explanation of symbols]

Reference Signs List 1 retaining wall block for planting 1K rear opening 2 bottom plate 3 side plate 4 step 5 front edge 6 upper edge 7 front plate 7U upper edge 7D lower edge 7N inner surface 7K bending portion 8 retaining wall 8U upper edge 31 Planting block moving body 33 Fixing member

Claims (3)

(57) [Claims] 1. A provided on the left and right sides of the bottom plate portion in the vertical direction of the side plate portion, the front side of the side plate portions to form a stepped portion having a longitudinal leading edge and the longitudinal direction of the upper edge in a plurality of stages, wherein Left and right side plates
A rear opening is provided at the rear of the
The front edge is closed by a substantially vertical front plate portion , and
The inner surface of the plate is provided integrally with the front edge of the side plate, and
The lower edge of the front plate portion and the upper edge of the lower front plate portion and the left and right sides
Between the upper edge of the side plate and the rear opening
An opening for planting is formed, and the bottom is formed between the side plates on both sides.
The plate portion is provided with a buttress wall portion parallel to the side plate portion.
The front side of the part has a longitudinal front edge substantially
When a step having a rearward upper edge is formed in a plurality of steps,
The front edge of the butting wall is integrally provided on the inner surface of the front plate.
A bent portion is provided on an inner surface of the front plate portion, and
On the inner surface of the part, the lower side of the bent part is inclined backward,
Align the upper edge of the front plate portion of the step with the lower edge of the front plate portion of the upper step.
Precast core characterized by being formed at the same height
Retaining wall block made of concrete . Wherein the upper edge of the front Symbol buttress portion of the side plate portion
The retaining wall block for planting made of precast concrete according to claim 1, wherein the retaining wall block is formed lower than the upper edge . 3. A planting block moving body, wherein a rear opening of the planting retaining wall block according to claim 1 is closed by a rear plate portion.