JP2699268B2 - Greening structure such as retaining wall and method of greening retaining wall - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a greening structure such as a retaining wall and a method for greening a retaining wall.

[0002]

2. Description of the Related Art Conventionally, retaining walls reinforced by casting concrete or mortar, etc., directly expose solidified concrete and destroy the surrounding green environment. Greening of the wall surface has been promoted to protect the green environment. Then, as shown in FIG. 6, the applicant strikes an anchor with a slat on the retaining wall, attaches a base sand to a gap between the anchors with the slat, forms a soil layer, and places a plant on the upper surface of the soil layer. Vegetation and greening the retaining wall.
Registered as Patent No. 1704346.

[0003]

However, when the soil layer is constructed on the retaining wall by the above-mentioned method for greening the retaining wall, the germinated plants grow naturally on the moderately inclined retaining wall for a long time. Although it is possible, on a steep retaining wall having a gradient of about 70 degrees or more, even if the soil layer is constructed to germinate plants, plants that germinated from the steeply inclined soil layer cannot have roots invigorated in the soil, There were problems such as the roots being exposed to the surface of the soil layer or withering and the steep retaining wall being difficult to green.

The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to form a stepped vegetation step on a retaining wall surface and to germinate a root of a plant germinated on the upper surface side of the vegetation step. It is an object of the present invention to provide a greening structure such as a retaining wall and a method for greening a retaining wall and the like, which can efficiently make the vegetation step in the vegetation step portion, green the retaining wall for a long time, and protect a green environment.

[0005]

Means for Solving the Problems To achieve the above object, the invention according to the first aspect is directed to a locking member 14 composed of a net 24 laid and fixed on a retaining wall 12,
4 and the retaining wall 12
The direction of flow is defined as the direction from top to bottom
Provided at an arbitrary interval in a direction intersecting the direction, in a step shape,
And a vegetation step 16 for growing the root of the plant, wherein the vegetation step 16 is composed of two or more vegetation base bodies 26 connected to each other.
, And the vegetation base material 26 is
A vegetation base material 18 is provided on at least the surface of the vegetation step 16 to form a greening structure 10 such as a retaining wall.

In the invention according to claim 2, the retaining wall 1
2, a locking member 14 composed of a net 24 is laid and fixed, and the vegetation base material 26 formed in a long block shape with respect to the locking member 14 is connected in a ladder shape by a hanger cord 32,
The vegetation base material 26 connected in a ladder shape is connected to the retaining wall surface 12.
To form a stepped vegetation step 16 parallel to the direction intersecting with the flow direction of the retaining wall 12, and thereafter, vegetation base material 18 is sprayed and fixed to the retaining wall 12, and This is a method for greening a retaining wall or the like in which the roots of the plants that have germinated from the vegetation base material 18 are grown while being activated in the vegetation steps 16 to green the retaining wall 12.

[0007]

In the greening structure for retaining walls and the like and the greening method for retaining walls and the like according to the present invention, a retaining member is laid and fixed on a retaining wall on which mortar, concrete or the like is cast. A vegetation base is formed by fixing a vegetation base body formed into a long block body using an organic fertilizer or the like as a main material in a stepwise manner in a direction intersecting with the flow direction of the retaining wall surface. Further, a vegetation base material containing plant seeds is sprayed on the retaining wall surface or the surface of the vegetation step portion to a uniform thickness and fixed.

[0008] Thus, the roots of the germinated plants on the upper surface side of the vegetation step are settled while extending into the vegetation base material in the vegetation step. The upper surface side of the vegetation step formed in a step shape in the direction intersecting with the floor becomes a floor suitable for plant growth, and the root extending vertically downward to the floor is inside the vegetation base material fixed in the vegetation step. Absorb fertilizer components while growing,
It can grow without wilt.

[0009] Plants grown on the upper surface of the vegetation step are:
As the stalk elongates, it hangs down, and the retaining walls between the upper and lower vegetation steps are gradually shielded by grown plants, and the steep retaining walls can be greened for a long period of time. Greening the concrete retaining wall of the building can protect the green environment. In addition, the vegetation substrate body connected to two or more is connected to a ladder line in a ladder shape,
The safety at the time of work can be improved while the vegetation base body is arranged on the retaining wall by locking the suspension cords at the top or intermediate position of the retaining wall. In addition, since the locking member is formed of a net, the vegetation base body can be easily locked and fixed to the retaining wall, and at the same time, the retaining wall can be reinforced with the net.

[0010]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 and 2 show a greening structure 10 such as a retaining wall according to an embodiment of the present invention. As is clear from the figure, the greening structure 10 such as the retaining wall is provided with a locking member 14 laid and fixed on a retaining wall 12 and fixed to the locking member 14. A vegetation step 16 provided in a stepped manner in a direction intersecting the flow direction at intervals, and growing a root of the plant.
Is provided with a vegetation base material 18 on the surface thereof.

The retaining wall 12 is an existing or newly installed concrete retaining wall in which mortar, cocrete 22 and the like are sprayed and solidified on the surface of the bedrock 20, and in the present embodiment, the case of a steeply inclined surface is described. . The locking member 14 laid and fixed to the retaining wall 12 is formed of a net 24 such as a wire mesh as shown in FIG. 2, and is retained on the retaining wall 12 by an anchor bolt or the like (not shown). The net 24 is not limited to a wire net, but may be a net formed by plant fibers, chemical fibers, or the like. Thereby, the locking member 14 of the retaining wall 12
On the other hand, the vegetation step 16 is arranged in a step shape in a direction intersecting with the flow direction of the vegetation. 16 can be easily fixed.

As shown in FIGS. 2 and 3, the vegetation step 16 is formed of two or more vegetation base materials 26 connected to each other. The vegetation base material 26 is mainly composed of an organic fertilizer such as bark obtained by composting a bark of a tree, and is prepared by mixing bark, an adhesive (a polymer resin or the like), a chemical fertilizer, and the like at a predetermined ratio. And is molded into a long block body 28. As a result, the roots of the plants that have germinated on the upper surface of the vegetation step 16 settle in the vegetation base material 26 and grow naturally while absorbing nutrients,
It does not die.

When constructing the vegetation step 16 on the retaining wall 12, the worker lifts and lowers the outer surface of the net 24 laid and fixed on the retaining wall 12 while grasping the vegetation base members 26 one by one. I do. Then, as shown in FIG. 2, the vegetation base material 26 is disposed in a direction intersecting the flow direction of the retaining wall surface 12, and the locking rope 30 such as a metal wire or a knitted string is provided at a position near both ends or a center position. It is made to rotate and fixed while being locked to the net 24. The vegetation base member 26 is fixed to the mesh body 24 in a substantially continuous manner, and the vegetation base member 26 is further disposed on the lower side at an interval of, for example, approximately 50 cm, and fixed with the locking cord 30. The vegetation base portion 26 is fixed to the retaining wall 12 in a stepped manner while
To form

However, when the worker raises and lowers the retaining wall surface 12 while holding the vegetation base members 26 one by one and fixes the vegetation substrate members 26 with the locking ropes 30, much labor is required. 12
Is a dangerous work because the slope is steeply inclined at about 70 degrees or more. Therefore, as shown in FIG. 3, two or more vegetation base materials 26 are connected to two hanging ropes 32, 32 made of a metal wire, a knitted string, or the like in a ladder shape and held. It will be arranged on the wall surface 12.

The vegetation base material 26 connected in a ladder shape is
For example, at the top of the retaining wall 12 or at an intermediate position, the suspension rope 3
2 and 32 are locked and suspended on the retaining wall 12. Thus, the worker can easily move each vegetation base material 26 to the net 24 with the locking cord 30 while freely moving up and down along the net 24 on the retaining wall without gripping the vegetation base material 26. To fix the vegetation base member 26 without trouble, and it is possible to improve the safety at the time of work.

As shown in FIG. 2, the vegetation step portion 16 is installed in a step shape parallel to a direction intersecting with the flow direction of the retaining wall 12, but is not limited to this. The body 26 may be shifted in the flow direction, and the vegetation steps 16 may be installed in a staggered manner. In addition, in FIG. 3, the vegetation base member 26 is formed into a long block 28 having a rectangular end surface. However, the present invention is not limited to this, and a cylindrical block 28a shown in FIG. 4 and shown in FIG. It may be formed into a shape such as a triangular prism block 28b or a polygonal prism block. Further, in the embodiment, each vegetation base body 26 includes:
Although a solid body is illustrated, the invention is not limited to this, and may be formed into a cylindrical body, a porous body, or the like to reduce the weight.

As shown in FIG. 1 and FIG. 2, the vegetation base material 18 laid on the surface of the retaining wall 12 and the vegetation base material 26 is composed of an organic fertilizer such as bark obtained by composting a bark of a tree, and a plant material. seed,
The adhesive (emulsion) is mixed at a predetermined ratio, and is sprayed and fixed to the retaining wall 12 and the surface of the vegetation base material 26. After spraying the vegetation base material 18, the seeds inside germinate, and the roots of the germinated plant are placed on the vegetation base material 18.
From the vegetation step portion 16 to the vegetation base member 26 while extending.

The vegetation base member 18 is formed by molding the vegetation base member 26 instead of fixing the vegetation base member 26 to the retaining wall surface 12 and then spraying and fixing the vegetation substrate member 26 to the surfaces of the vegetation substrate member 26 and the retaining wall surface 12. At this time, the vegetation base material 18 may be sprayed and fixed to the surface side. In this case, there is no need to spray and fix the vegetation base material 18 to the retaining wall 12, and material costs can be saved. As in the embodiment, the present invention is not limited to the case where the retaining wall surface is a steeply inclined surface, and may be applied to a case where the retaining wall surface has a normal gentle inclination.

Next, the greening structure 10 such as a retaining wall according to the present invention.
The operation of will be described. As described above, greening structure 1 such as retaining walls
0 is a retaining wall 1 on which mortar and concrete 22 are cast.
Second, the locking member 14 is laid and fixed. Then, the vegetation base body 26 formed into a long block body 28 using an organic fertilizer or the like as a main material is fixed to the locking member 14 in a stepped manner in a direction intersecting with the flow direction of the retaining wall surface 12, and the vegetation step A vegetation base material 18 containing plant seeds is sprayed on the retaining wall surface 12 and the surface of the vegetation step portion 16 in a uniform thickness to form a fixed portion 16 and fixed thereto.

Therefore, the roots of the germinated plants on the upper surface side of the vegetation step 16 are efficiently extended and settled into the vegetation base material 26 in the vegetation step 16, and the roots of the vegetation steeply cannot be fixed. In the retaining wall surface 12, the upper surface side of the vegetation step portion 16 formed in a step shape in a direction intersecting with the flow direction becomes a floor surface suitable for plant growth, and a root extending vertically downward with respect to the floor surface is a vegetation step portion. The fertilizer component is absorbed while growing into the vegetation base material 26 fixed in the vegetation 16, and can grow without falling off.

The plant S grown on the upper surface of the vegetation step 16 hangs downward as the stem elongates,
The retaining walls 12 at the intervals between the upper and lower vegetation steps 16, 16 are gradually shielded by the grown plants S, and the steeply retaining walls 12 can be greened for a long period of time. Greening can protect the green environment.

Next, a method for greening a retaining wall or the like according to the present invention will be described with reference to FIGS. As is clear from the figure, the greening method of the retaining wall or the like is such that a retaining member 14 is laid and fixed on the retaining wall 12 and a long block 2 is attached to the retaining member 14.
The vegetation base body 26 molded into the shape of the vegetation step 8 is stepped at arbitrary intervals in a direction intersecting with the flow direction to form a vegetation step portion 16. At least the surface of the vegetation step portion 16 has a vegetation base. A root 18 of a plant S germinated from inside the vegetation base material 18 is grown while being activated in the vegetation step portion 16 to green the retaining wall surface 12. In this embodiment, the same members as those of the embodiment of the greening structure such as the retaining wall are given the same numbers, and the detailed description thereof will be omitted.

The locking member 14 is formed of a net 24 such as a wire net, and is fixed to the retaining wall 12 with anchor bolts or the like. The vegetation base material body 26 mixes an organic fertilizer such as bark obtained by composting the bark of a tree, an adhesive (bolimer-based resin), and other chemical fertilizers at a predetermined ratio, and mixes them in a mold. To solidify into a long block body 28. As a result, the roots of the plants that have germinated on the upper surface of the vegetation step 16 grow into the vegetation base body 26 without dying while absorbing the fertilizer component, and the retaining wall surfaces of the vegetation step 16 are spaced from each other. This can be shielded while hanging, and can be greened.

The vegetation base member 26 can be connected to the two hanging ropes 32, 32 in a ladder shape and can be disposed while hanging down on the retaining wall 12, so that the operator can use one vegetation base member 26. There is no need to lift and lower the retaining wall by gripping each other, which can improve safety during work. The steeply inclined retaining wall, which has been difficult to green, can be greened by the greening method of the present invention, and the green environment can be protected.

[0025]

As described above, according to the greening structure of the retaining wall or the like according to the first aspect, the retaining member composed of the net laid and fixed to the retaining wall, and fixed to the retaining member, A direction from the upper side to the lower side of the retaining wall with respect to the locking member.
The flow direction and any direction in the direction crossing this flow direction
And a vegetation step for growing a root of a plant, wherein the vegetation step is connected to two or more vegetation steps.
The vegetation base body is formed by connecting the vegetation base body to a ladder shape by a hanger cord, and a vegetation base material is attached to at least a surface of the vegetation step portion. Thereby, the roots of the germinated plants on the upper surface side of the vegetation step can be efficiently made to survive in the vegetation step, and the retaining wall can be greened for a long period of time to protect the green environment. Since one or more vegetation base materials are connected in the form of a ladder by means of a hanger cable, the vegetation base material hangs, for example, by locking and fixing the upper end of the hanger cable to a retaining wall surface. By arranging the vegetation base body while lowering it, the worker can improve the safety of work without gripping the vegetation base body and moving up and down the retaining wall.

Next, according to the method for greening a retaining wall or the like according to claim 2, a retaining member made of a net is laid and fixed on the retaining wall.
The vegetation base material molded into a long block shape with respect to the locking member is connected in a ladder shape by a hanger cord, and the vegetation base material connected in the ladder shape is downwardly from above the retaining wall surface. To form a step-shaped vegetation step parallel to the direction intersecting with the flow direction of the retaining wall, and then spraying and fixing a vegetation base material to the retaining wall surface, and germinating plants from within the vegetation base material. By growing the roots of the vegetation terraces while growing them in the vegetation terraces and greening the retaining wall, the roots of the plants that have germinated on the upper surface side of the vegetation terraces can be efficiently rooted in the vegetation terraces, The retaining wall can be greened for a long time to protect the green environment. Since one or more vegetation base materials are connected in the form of a ladder by means of a hanger cable, the vegetation base material is hung, for example, by locking the upper end of the hanger cable to a retaining wall surface and hanging down. The work safety can be improved without the worker grasping the vegetation base body and moving up and down the retaining wall surface.

[Brief description of the drawings]

FIG. 1 is a partially enlarged longitudinal sectional view of a retaining wall on which a greening structure and a greening method such as a retaining wall according to the present invention are implemented.

FIG. 2 is a front view of a state where a vegetation base material is arranged on a retaining wall surface and a state where a vegetation base material is attached to form a vegetation step portion.

FIG. 3 is a perspective view of a state in which the vegetation base body is locked in a ladder shape on a locking rope and is arranged on a net surface of a retaining wall surface.

FIG. 4 is a perspective view showing a cylindrical vegetation base material.

FIG. 5 is a perspective view showing a triangular prism-shaped vegetation base material.

FIG. 6 is a cross-sectional view of a conventional retaining wall greening structure.

[Explanation of symbols]

 Reference Signs List 10 greening structure such as retaining wall 12 retaining wall surface 14 locking member 16 vegetation step 18 vegetation base material 24 net 26 vegetation base material 28 long block body 32 hanging cable S plant

Claims (2)

(57) [Claims] 1. A locking member comprising a net laid and fixed to a retaining wall surface, and a fixing member fixed to the retaining member, the flow direction of the retaining member being from the upper side to the lower side of the retaining wall surface.
At any intervals in the direction that intersects this flow direction.
A vegetation step portion provided in a difference shape and growing the root of the plant,
The vegetation step is formed from two or more vegetation base bodies connected to each other, and the vegetation base body is configured to be connected in a ladder shape with a hanger cord, and at least the vegetation base is provided. Greening structure such as retaining wall with vegetation base material attached to the surface of the step. 2. A securing member made of a mesh body is laid on a retaining wall surface.
Constant and long block shape molded vegetation against the locking member
The base material body is connected in a ladder shape by a hanger cord, and the vegetation base body connected in the ladder shape is located above the retaining wall.
Intersects the flow direction of the retaining wall
That direction to form a vegetation stepped portion parallel stepped causes then該擁wall fixed spraying vegetation base material, the plant
The roots of the plants germinated from the raw base material are placed in the vegetation step.
Retaining walls made by growing and growing the retaining wall, and greening the retaining wall
Greening method.