JP2981949B2 - Greening retaining wall block - 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 retaining wall block for stabilizing a slope or a nearly vertical soil retaining wall surface and simultaneously greening by vegetation.

[0002]

2. Description of the Related Art Conventionally, a number of construction methods using precast concrete blocks have been developed for stabilizing slopes and retaining wall surfaces. For example, concrete rods, crosses, and frames have been developed. A method of stabilizing a slope or steep wall by stabilizing the slope with the weight of a continuous slope that is arranged in a grid, or fixing this slope to the ground with a lock anchor or earth anchor (Method Frame method), or a method in which concrete blocks are integrated with piled concrete to form a retaining wall, and the weight of the block is used as a retaining wall (stack block method).

[0003] In these construction methods, as a method of greening a slope or a retaining wall, in the casework method, vegetation is produced by filling vegetation soil in a grid of the formwork, or a stacking block method or an emergency method. In the method of framing on sloping land, a method is used in which a pot for receiving vegetation soil is formed in a terrace shape, and the pot is filled with vegetation soil to grow plants.

[0004]

However, in these conventional greening methods, after a retaining wall is constructed by a sill or a building block, earth and sand for vegetation are filled in a grid of the sill or a pot. In addition, the operation of planting seeds and seedlings is required, the number of man-hours required on-site is large, a large amount of labor is required, and the operation is dangerous because of the inclined surface.

According to the present invention, in consideration of the above-mentioned conventional problems, greening work is carried out at the same time as the construction of a retaining wall such as a slope stabilization and earth retaining, and it is unnecessary to perform only the greening work on site. It is intended to provide a greening retaining wall block.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, a feature of the present invention is to form a lithographic plate and fix an anchor.
A precast concrete block main body provided with holes for use , the block main body is provided with a space part which is open through on the front and back sides in a peripheral part and / or a central part thereof, and a plant growth base material is loaded in the space part so that it cannot be pulled out. The plant-growing base material comprises a package packaged with a bag material mainly using a net material on at least the top surface and a water-permeable cloth material, wherein the package material is the bag material. On the bottom side, natural or artificial soil that can support a plant root made of styrofoam or the like having open cells and accommodate a disc-shaped plant support base material having water retention, and further contain a fertilizer component thereon It is in a greening retaining wall block that is constructed by filling materials.

[0007]

The greening retaining wall block of the present invention can be installed on a wall or a slope just like a conventional building block or a frame, and the plant growth base portion is simultaneously installed on the retaining wall.

In addition, since a block-shaped package having a plant support base material disposed at the bottom is used, both root support of plants and supply of nutrients are improved, so that not only grasses but also shrubs can be maintained and grown. Will be possible.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

In the drawings, A is a greening retaining wall block according to the present invention, and 10 is a precast concrete block main body. The block body 10 has a flat plate shape as a whole. An anchor fixing hole 11 is opened at the center, and four protrusions 12, 12,... The shape formed by connecting the tips of the protruding portions 12, 12... With a straight line is substantially a square. Around the block body 10, each of the projections 12, 1
The space between the two is depressed from the side surface toward the center side, and is a space portion 13, 13,...

Each of the space portions 13, 13... Is provided with a plant growth base material 14 so that it cannot be pulled out. As shown in FIG. 4, the plant growth base material 14 is mainly made of a cloth material made of a water-permeable nonwoven fabric, and is provided with a bag material 15 having a net material 15a capable of growing vegetation on at least the top surface. It consists of a packaged body, in which a disc-shaped plant support base material 16 made of a foamed synthetic resin material (for example, styrene foam) having open cells is accommodated, and a bentonite layer 17 is placed thereon. And a soil material 18 containing a fertilizer component is further filled thereon.

Further the bag material 15, there are openings 15c on the side, after putting the contents from the opening 15c, and so as to close with the opposite sides of the tongue-shaped lid portion 15d.

To fix the plant growth base material 14 to the block body 10, an anchor nut is embedded in a predetermined position when the block body 10 is molded, and a bolt 21 is screwed into the anchor nut to fix a metal frame member 22. The plant growth base material 14 is accommodated in the inside thereof to prevent it from falling off.

The greening retaining wall block A thus constructed
In use, as shown in FIG. 5, a large number of the anchors are arranged so as to cover the surface of the slope, and as shown in FIG. 6, an underground anchor or a lock anchor 23 is inserted into the anchor fixing hole 11 and fixed. Fix on the surface. In this embodiment, only one anchor fixing hole 11 is shown. However, a plurality of anchor fixing holes 11 may be provided. In the case where the slope is to be stabilized only by the weight of the block A, fixing by the anchor is unnecessary. Therefore, the anchor fixing hole 11 may not be provided.

In the above-described embodiment, the protrusions 12, 12
In this example, a cross-shaped block main body 10 integrally having a cross section is used, and the construction is performed in the same manner as a legal frame. However, as shown in FIGS. An open space 26 may be provided, in which the same plant growth substrate 14 as in the side opening may be accommodated.

Further, the present invention may be applied to a retaining wall having an inclined surface which is vertical or nearly vertical. In this case, as shown in FIG. Use 27. However, outflow of rainwater is stopped by the stopper member 27, and a water pool is formed.

[0017]

As described above, in the present invention, the precast concrete block body is provided with a space which penetrates and opens on the front and back, and the plant growth base material is preliminarily loaded in the space so that it cannot be pulled out. At the time of wall construction, by installing blocks in the same way as before, vegetation parts are also formed in the retaining wall at the same time, eliminating the need for on-site work for vegetation after completion of the conventional retaining wall, The construction can be done with less labor.

[0018] wrapping with the bag material <br/> comprising a plant growth substrate from the network and fabric, weathering plant growth substrate by loading it into the space, collapse is prevented, permanently effect By having the plant support base material holding the roots at the bottom thereof, the water retention and the root holding effect are increased, and shrubs can be grown.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of a greening retaining wall block according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a sectional view taken along line AA in FIG. 1;

FIG. 4 is an exploded perspective view of a main part of the above.

FIG. 5 is a plan view of a retaining wall construction state.

FIG. 6 is a longitudinal sectional view of the same.

FIG. 7 is a plan view of another embodiment of the present invention.

8 is a sectional view taken along line BB in FIG. 7;

FIG. 9 is a sectional view of still another embodiment of the present invention.

[Explanation of symbols]

 10, 25 Precast concrete block main body 11 Anchor fixing hole 12 Projection part 13, 26 Space part 14 Plant growth base material 15 Bag material 15a Net material 15d Cover part 15c Opening 16 Plant support base material 17 Bentonite layer 18 Soil material 22 Anchor nut 23 Lock anchor 27 Stop member

Continuing from the front page (72) Inventor Tsuyoshi Horiguchi 1-6-1 Otemachi, Chiyoda-ku, Tokyo Japan Cement Co., Ltd. (72) Harumitsu Nakayama 4-6-19 Kohinata, Bunkyo-ku, Tokyo Kyowa Concrete Industry Co., Ltd. Tokyo Headquarters (56) References JP-A-63-268816 (JP, A) JP-A-56-70327 (JP, A) JP-A-51-73804 (JP, U) (58) Fields surveyed (Int. Cl. ⁶ , DB name) E02D 29/02 311 E02D 17/20 102 E02D 17/20 103

Claims (1)

(57) [Claims] 1. A lithographic plate having an anchor fixing hole.
A precast concrete block main body, the block main body is provided with a space part which is open through the front and back at a peripheral part and / or a central part thereof, and a plant growth base material is loaded in the space part so that it cannot be extracted, and The growth substrate is formed of a package packaged with a bag material mainly composed of a water-permeable cloth material using a net material at least on the top surface, and the package is provided on the bottom side of the bag material. In addition to containing a plant-shaped support base material in the form of a styrofoam having open cells that can support the roots of the plant and have a water retention property, and that is filled with a natural or artificial soil material containing a fertilizer component, A greening retaining wall block composed of: