JP2000038733A - Vegetating concrete block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve an appearance by making a surface of concrete invisible from the front side, and to easily construct a retaining wall body rich in strength on a face of slope by forming the space part opening in a front face on the surface side of a block main body, and arranging the holding part for supporting a sandbag housed in the space part on the inside surface of this space part. SOLUTION: In a vegetating concrete block 1, the space part 3 for housing a sandbag is opened on the front side of a block main body 2. In a laterally long thick plate-like block main body 2, vertical reinforcement inserting holes 4 are opened left and right, the engaging projecting part 5 is projected on the upper surface, and the fitting recessed part 6 for fitting the engaging projecting part 5 is formed in a lateral groove shape on the under surface. The space part 3 is formed in a front opening recess shape surrounded by the rear face part 31 positioned on the front side more than the vertical reinforcement inserting holes 4, the thin eaves-shaped upper surface part 32 formed on the upper/lower sides, the lower surface part 33 and the left/right side surface parts 34, and plural water passing holes are opening in the upper/lower surface parts 32, 33. The holding part 7 projecting inside the space part 3 is integrally formed with the block main body 2 in the rear surface part 31 of the space part 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method of growing plants on a slope or a river surface and growing plants on the front side.
The present invention relates to a concrete block for vegetation in which a natural environment can be maintained so that the surrounding natural scenery is not spoiled, and cultivated soil on which plants are planted is not washed away by rainwater or the like.

[0002]

2. Description of the Related Art Retaining walls are constructed by stacking on mountain slopes and creation surfaces for roads and railroads, and walls for revetment are constructed by stacking on riverbanks. As a concrete block for vegetation in which plants can be planted so as not to impair the landscape, for example, a concrete block described in Japanese Patent Application Laid-Open No. Hei 6-346474 already proposed by the present applicant is known. The conventional vegetation block has cutouts formed on the outer surfaces of both sides of the front end of a front frame portion having a vertically penetrated portion, and a soil receiving portion is formed at the center lower part of the front end of the penetration portion of the front frame portion. This is a configuration in which a rear portion is continuously provided behind the front frame portion.

[0003]

However, in the conventional block for vegetation, since the concrete surface is still exposed to the front side, a sufficient natural environment is created when the retaining wall is constructed, or the surrounding natural environment is created. The scenery of the city.
Further, the upper and lower portions of the penetrating portion for filling the plant cultivation soil are open, and the front frame portion provided with the penetrating portion also forms a part of the block, so that the strength is insufficient. Therefore, when constructing a large-sized retaining wall or a riverbank wall, there is a problem in the construction strength of the wall. In addition, in the conventional vegetation block, since the cultivation soil must be filled in the penetrating portion on the entire surface to plant a plant or fertilizer must be applied while seeds are sown, much labor and time are required during construction. Therefore, there is a demand for a concrete block for vegetation that has good appearance without the ground of the concrete being visible from the front side, and is extremely strong and easy to work when constructed as a retaining wall.

[0004]

DISCLOSURE OF THE INVENTION The present invention has been proposed in view of the above-mentioned drawbacks and demands, and has a cavity formed in the front side of a block body, which is open to the front. Is provided with a holding portion for supporting a sandbag accommodated in an empty space, and the sandbag has seeds of plant, fertilizer, and cultivated soil.

[0005] In addition, a structure is provided in which a hollow portion opening to the front is formed on the front side of the block main body, and a wire rod for holding a sandbag stored in the hollow portion is fixed to the inner surface of the hollow portion. Also have.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a concrete block for vegetation of the present invention will be described below. The concrete block for vegetation 1 of the present invention is provided on the front side of the block body 2.
An empty portion 3 for accommodating the sandbag a is formed so as to open to the front portion.

The block main body 2 is in the form of a horizontally long thick plate, and has vertical reinforcing bar insertion holes 4 on the left and right at positions one quarter from the left and right side ends. The vertical reinforcing bar insertion hole 4 has a wide portion 41 on the upper and lower sides and a reduced portion 42 on the middle of the height.
It has become.

On the upper surface of the block main body 2, a horizontal engaging projection 5 is projected at the position of the vertical reinforcing bar insertion hole 4, and on the lower surface, the horizontal engaging projection 5 is fitted. The joint recess 6 is formed in a lateral groove shape.

The hollow portion 3 is composed of a rear surface portion 31 located on the front side of the vertical reinforcing bar insertion hole 4, a thin eave-shaped upper surface portion 32, a lower eave portion 33, and left and right side portions 34 formed vertically. It is in the shape of a hollow whose front surface is open and enclosed. Further, a plurality of water holes 321 are opened in the upper surface portion 32, and a plurality of water holes 331 are also opened in the lower surface portion 33.

A holding portion 7 is provided on the rear surface portion 31 of the space 3 so as to protrude into the space 3. According to the embodiment of FIGS. 1 to 3, the holding portion 7 is formed as a convex portion 71 extending in the horizontal direction at a height of the rear surface portion 31, and is formed integrally with the block body 2. Things.

In order to use the concrete block 1 for vegetation as a retaining wall for a slope or a creation surface on a mountain or the like, or to construct a wall body such as a revetment wall on a riverbank, the concrete block 1 for vegetation is constructed by using a crane or the like. The concrete block for vegetation 1 to be transported to the construction site and installed on the lower side of the concrete block for vegetation to be installed on the lower side,
By shifting the position by a half of the width and stacking in a staggered manner, the fabric is stacked and stacked up and down. In this laying construction work, the engaging projections 5 of the concrete block for vegetation 1 located on the lower side are fitted and engaged with the fitting recesses 6 of the concrete block 1 for vegetation located on the upper side. Not only the positioning becomes accurate, but also the fabric strength can be significantly increased.

When the concrete block 1 for vegetation is laid to the required height along the slope or riverbank,
The vertical reinforcing bars 43 are inserted in series into the vertical reinforcing bar insertion holes 4 communicating vertically with the respective vegetation concrete blocks 1, and filled with the filling concrete, cured and cured, and each of the vegetation concrete blocks 1 adjacent to the top, bottom, left and right is removed. Integrate.

Therefore, in the wall constructed as described above, the block main body 2 of each of the upper and lower concrete blocks 1 for vegetation constitutes a strong protective wall composed of concrete blocks by the vertical reinforcing bars 43 and the concrete filling. can do. By forming the wide portions 41 above and below the vertical reinforcing bar insertion hole 4, the joining portions of the upper and lower concrete blocks for vegetation 1 are connected by the filling concrete filling the wide portions 41, so that the connecting portions are thicker. It becomes extremely strong.

According to the present invention, one or a plurality of sandbags a are stored in the empty space 3 of each concrete block 1 for vegetation in a full state.

The sandbag a is made of a flexible, air-permeable and water-permeable bag material filled with cultivation soil mixed with plant seeds and fertilizer, or two sheets of water-permeable,
It uses a material formed by filling cultivation soil into a bag material formed by a sheet material in which a net is attached to the surface of a sheet in which seeds and fertilizer are sandwiched between breathable vegetation paper. .

Each of the sandbags a is a concrete block 1
May be stored in advance in the empty space 3 and then the retaining wall may be constructed. Alternatively, the retaining wall may be constructed and then stored in the empty space 3 of each block 1. In any case, when the sandbag a is stored in the empty space 3, the flexible sandbag a is pressed against the inner surface of the empty space 3.
The sandbag a is supported inside the empty space 3 and does not flow down due to rainwater or wind.
In particular, at the time of construction work on site, an accident due to a fall on a steep slope or the like can be prevented.

When the retaining wall is constructed by the concrete blocks 1, rainwater flows from the surface or from the water holes 321 and 331 into the empty space 3 during rainfall, and the sandbag a
Penetrates into the interior of Therefore, when the seeds of the sandbag germinate and the plant grows and prospers, the concrete on the surface of the wall is barely exposed, and it is covered by the prosperous plant, and it is very well-organized and adapts to the natural environment. Becomes In addition, when the plants grow sufficiently, the roots crawl into the soil for cultivation of the sandbags, so that the cultivated soil is stably present inside the empty space. Moreover, even if the sheet material on the surface of the sandbag rots or deteriorates, it is not only fertilizer, but also protected by the growing plants, so that the soil does not flow out or splatter due to wind and rain.

In another embodiment of the present invention shown in FIGS. 4 and 5, the inside of the space 3 is divided into three equal parts in the horizontal direction by two vertical partitions 35, and the small space 3 'is divided in the horizontal direction. In addition, as the holding portion 7, two small protrusions 72 are arranged in parallel on the rear surface portion 31 of each small space portion 3 'and provided in three upper and lower stages.

According to another embodiment of the present invention, with the above-described configuration, one sandbag a can be stored in each small space portion 3 'and held firmly by each small protrusion 72. a can be more firmly supported than in the previous embodiment, and not only does not fall or run down from the empty portion of the block body, but even if the bag material of the sandbag is damaged, the cultivated soil is It is held in the small space 3 '.

In another embodiment of the present invention shown in FIG. 6, a small space portion 3 "is formed above and below the inside of the space portion 3 by a horizontal partition portion 36, and a holding portion on the rear surface of each space portion 3" is formed. 7 also has a configuration in which the small projections 72 are juxtaposed in the horizontal direction similarly to the above-described embodiment.

According to this embodiment, the sandbag a can be stored in each of the small empty portions 3 "in a state where the sandbag a is tilted in the lateral direction, and the sandbag a is firmly supported in the lateral direction by the holding portion 7. As in the example, the sandbag does not flow out or fall out of the empty space, and even if the bag material of the sandbag is damaged or rotted, the cultivated soil remains in the empty space and plants can be grown.

Another embodiment of the present invention shown in FIGS. 7 to 9 has a structure in which a wire 8 is fixed to the rear surface portion 31 of the cavity 3 and extends from the cavity 3 to the outside of the block body 2. It is.

The wire 8 is formed by joining the bent base end of a wire bent into a hairpin shape to the rear surface 3 when the block body 2 is formed.
1 and fastened together, and the two wires 8
1 and extends from the cavity 3 to the outside.

The two wire rods 8 are provided in a pair at the top and bottom for each width of the sandbag a, so that the sandbags a to be stored in the empty space 3 are individually tied up and down with the wire rods 8 to empty the sandbag a. It can be held inside the part 3. Accordingly, when the retaining wall is constructed on the slope by the block of the above-described embodiment, moisture such as rainwater penetrates into the sandbag, the seeds of the plants contained in the sandbag germinate, and the surface of the retaining wall can be vegetated. Since the sandbags are bound and supported by the wire rod 8, the sandbags do not fall or flow down even on a steep retaining wall, and are stably stored in the space of the block.

FIG. 10 shows another embodiment of the present invention in which the wire 8 is fixed to the rear surface 31 of the hollow portion 3 of the block body and the holding portion 7 is provided.

In the case of the block body 2 having the above structure, the empty space 3
When the sandbag a to be stored in the storage unit 7 is bound and fixed by the wire rod 8, the holding unit 7 supports the sandbag, so that the sandbag can be supported more stably, and the sandbag can drop even on a steep retaining wall. It does not flow down due to rainwater or the like, and can be stably stored in the space for a long period of time.

In the embodiments shown in FIGS. 4 to 10,
The reference numerals which are not described have the same configuration as the same reference numerals in the embodiment of FIGS.

Although the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the above-described embodiments, and can be implemented in any manner unless the structure described in the claims is changed. be able to. For example, after the sandbag is stored in the empty space of the block main body and supported by the holding unit, the surface of the empty space can be covered with a wire mesh or the like. In addition, a metal fitting or the like partially embedded in the block body may be used as the holding unit.

[0029]

In summary, according to the present invention, a hollow portion that opens to the front is formed on the front side of the block main body, and an inner surface of the hollow portion holds a sandbag accommodated in the hollow portion. A holding part is provided, and the sandbag has plant seeds, fertilizer and cultivated soil.

[0030] Therefore, a strong protective wall by the block body of each concrete vegetation block is extremely easily and quickly provided on a road slope, a slope slope for residential use, or a surface of a riverbank or the like in mountainous areas. Can be built with
Not only is it possible to reliably protect slopes and the like, but it is particularly effective when constructing large-scale large-area retaining walls and seawalls. Then, the surface of the retaining wall constructed with concrete blocks for vegetation is covered with plants as seeds of sandbags stored in the empty space germinate, and the natural environment is kept alive, spoiling the surrounding landscape Nothing.

Further, since the sandbag is supported by the holding portion formed in the empty space, the plant does not fall or flow out even if the retaining wall or the like is on a steep slope. , Which is extremely practically valuable for protecting slopes and rivers.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a concrete block for vegetation of the present invention.

FIG. 2 is a side view in which a part of the first embodiment of the present invention is omitted.

FIG. 3 is a side view in which a part of a state where the first embodiment is constructed as a retaining wall is cut away.

FIG. 4 is a perspective view of a second embodiment of the present invention.

FIG. 5 is a side view in which a part of the second embodiment is omitted.

FIG. 6 is a perspective view of a third embodiment of the present invention.

FIG. 7 is a perspective view of a fourth embodiment of the present invention.

FIG. 8 is a front view of the fourth embodiment.

FIG. 9 is a side view of the fourth embodiment in which a sandbag is partially cut off in a tied state.

FIG. 10 is a vertical perspective view of a fifth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vegetation concrete block 2 Block main body 3 Empty part 4 Vertical rebar insertion hole 5 Engagement convex part 6 Fitting concave part 7 Holding part 8 Wire rod

Claims (4)

[Claims] 1. A vegetation concrete comprising: a hollow portion that opens to the front, formed on the front side of a block body; and a holding portion for supporting a sandbag stored in the hollow portion on an inner surface of the hollow portion. block. 2. The concrete block for vegetation according to claim 1, wherein the sandbag has plant seeds, fertilizer and cultivated soil. 3. The concrete block for vegetation according to claim 1, wherein the empty space is divided into right and left and up and down. 4. A vegetation having a hollow portion opening to the front side formed on the surface side of the block body, and a wire rod for holding a sandbag stored in the hollow portion is fixed to an inner surface of the hollow portion. Concrete block.