JP2001207468A - Block for environmental retaining wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange an environment where an animal is easy to live and maintain a natural aspect by greening in a black for an environmental maintenance retaining wall piled on the slope of a river and constructing the retaining wall. SOLUTION: A hook part 6 is formed on the rear face of a rectangular parallelepiped block body 2. A hollow part 3 is formed to vertically penetrate the center of the block body 2, and groove parts 4, 5 are formed to vertically penetrate both the right and left sides of the block body 2 respectively. A semi- circular cutout part 7 is formed to communicate with the hollow part 3 in the center of the upper part of the front of the block body 2, and quarter- circular cutout parts 8, 9 are formed to communicate with the groove parts 4, 5 on both the right and left ends of the lower part of the front of the block body 2 respectively. When a number of the blocks 1 for the environmental maintenance retaining wall are piled flatly or in the form of a valley, and the mutually right and left adjacent groove parts 4, 5 of the block 1 for the environmental retaining wall are oppositely contacted to form a hollow. At the same time, the mutually vertically right and left adjacent cutout parts 7, 8, 9 of the block 1 for the environmental maintenance retaining wall are cooperated to from an internal and external communicating hole.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete environment-preserving retaining wall block mainly constructed on a slope of a river to construct a retaining wall.

[0002]

In recent years, it has been required on a global scale to protect biological ecosystems from the viewpoint of environmental protection, and when constructing retaining walls in river bank protection work, fish and other materials are required. Create an environment where aquatic animals can easily live,
It is becoming important to maintain the natural landscape by greening the slope with vegetation.

[0003] In view of such circumstances, an object of the present invention is to provide an environmental conservation type retaining block capable of easily inhabiting aquatic animals and maintaining a natural landscape by greening.

[0004]

That is, the block (1) for an environmental protection type retaining wall according to the present invention has a rectangular parallelepiped block body (2) made of concrete, and a cavity is provided at the center of the block body. The block (3) is formed by penetrating vertically, and the groove (4,
5) is formed so as to penetrate up and down, and a notch (7) is formed in the upper center of the front surface of the block body so as to communicate with the cavity portion. 8 and 9) are formed so as to communicate with the respective groove portions.

[0005] By adopting such a configuration, when a plurality of environmental protection type retaining wall blocks are stacked in a flat or valley to form a retaining wall, the groove portions of the environmental protection type retaining wall blocks adjacent to each other on the left and right sides. Are facing each other and the cavity (15)
At the same time, the notch portions of the environmental protection type retaining wall blocks vertically and horizontally adjacent to each other cooperate to form the inner and outer communication holes (1).
0) is formed, and the cavity and the cavity of the environmental conservation type retaining wall block act so as to communicate with the front space (S) through the internal / external communication holes.

[0006] Incidentally, reference numerals in parentheses are for convenience showing the corresponding elements in the drawings, and therefore, the present invention is not limited to the description on the drawings. The same applies to the column of “Claims”.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a view showing an embodiment of an environmental protection type retaining wall block according to the present invention, wherein (a) is a plan view, (b) is a side view, and (c) is a front view. FIG. 2 is a view showing a state in which the retaining wall is constructed by flatly stacking the blocks for the environmental protection type retaining wall shown in FIG. 1, (a) is a front view thereof,
(B) is a cross-sectional view taken along line AA of (a), (c) is an enlarged detailed view of a portion C of (b), and FIG. FIG. 4 is a plan view showing
FIG. 3 is a front view of a state in which the retaining wall is constructed by laying the blocks for the environmental conservation type retaining wall shown in FIG. 1.

FIG.
As shown in FIG. 1, a rectangular parallelepiped block main body 2 is formed, and a hook 6 made of concrete is integrally formed on the back surface of the block main body 2.
A cavity 3 is formed in the center of the block body 2 so as to penetrate vertically, and grooves 4 and 5 are formed on both left and right sides of the block body 2 so as to penetrate vertically. Further, as shown in FIG. 1 (c), a semicircular cutout 7 is formed at the center of the upper part of the front surface of the block body 2 so as to communicate with the cavity 3, and at the lower left and right ends thereof. 1 in
/ 4 circular notches 8 and 9 are formed so as to communicate with the grooves 4 and 5, respectively. Here, all three notches 7, 8, and 9 are arc-shaped having the same curvature. In addition,
An engagement projection 2a and an engagement recess 2b are formed on the upper and lower surfaces of the block body 2, respectively.

[0010] Since this environmental protection type retaining wall block 1 has the above-described configuration, a plurality of environmental protection type retaining wall blocks 1 are stacked on the slope of a river to construct the retaining wall 11. As shown in FIG. 2, a base material 12 is laid on both sides of a river, and then a base concrete 13 is poured over the base material 12 and cured. And foundation concrete 1
After the hardening of the block 3, the required number of blocks 1 for the environmental protection type retaining wall are piled up on the upper side of the foundation concrete 13 in six steps according to the procedure described below.

First, a plurality of environmentally-friendly retaining wall blocks 1 are laid horizontally on a foundation concrete 13 to form a block.
The block row R1 at the lowermost row is constructed. Then
As shown in FIG. 3, grooves 4 and 5 of the environmental protection type retaining wall block 1 adjacent to each other on the left and right are opposed to and abut with each other, and the cavity 15 is formed by these grooves 4 and 5 to penetrate vertically. You.

Next, above the first-stage block row R1,
The second row of block rows R2 is obtained by horizontally shifting a plurality of environmentally-friendly retaining wall blocks 1 horizontally by half the width of the environmentally-friendly retaining wall blocks 1 and laying the blocks.
To build. Then, also in the second-stage block row R2, the grooves 4 and 5 of the environmental protection type retaining wall block 1 adjacent to each other face each other and come into contact with each other, and the cavity 15 is vertically penetrated by these grooves 4 and 5. Formed in shape. On this occasion,
Since the second-stage block row R2 is horizontally displaced from the first-stage block row R1 by half the width of the environmentally-friendly retaining wall block 1, each cavity of the first-stage block row R1 is provided. At the same time as positioning the cavity 3 of each block 1 for environmental protection type retaining wall of the second row of blocks R2 on the upper side of 15,
Each cavity 15 of the second block row R2 is positioned above the cavity 3 of each environmental conservation type retaining wall block 1 of the first block row R1. As shown in FIG. 2B, the second-stage block row R2 is inclined and placed on the first-stage block row R1.
As shown in (c), the engagement recess 2b of the block main body 2 of the block 1 for the environmental conservation type retaining wall in the second row of block R2 is for the environmental conservation type retaining wall in the first row of block R1. Since the second row of blocks R2 is slid rearward by its own weight, the second row of blocks R2 does not slip because it engages with the engaging projection 2a of the block body 2 of the block 1. This is the same for the third to sixth-stage block rows R3 to R6 described later.

Next, a plurality of environmentally-friendly retaining wall blocks 1 are horizontally shifted by half the width of the environmentally-friendly retaining wall block 1 above the second row of block rows R2. The third row of block rows R3 is constructed by masonry. Then, the third-stage block row R3
Also, the grooves 4 and 5 of the environmental protection type retaining wall block 1 adjacent to each other are opposed to each other, and the cavity 15 is formed by these grooves 4 and 5 so as to vertically penetrate. At this time, the third-stage block row R3 is replaced with the second-stage block row R2.
Is shifted in the horizontal direction by half the width of the environmental conservation type retaining wall block 1, so that each environmental conservation of the third block row R3 is located above each cavity 15 of the second block row R2. At the same time as the cavity 3 of the block 1 for mold retaining wall is positioned, the third row of blocks R3 above the cavity 3 of each environmental conservation type retaining wall block 1 in the second row of blocks R2. Are positioned.

When the block rows R1 to R3 of the first to third rows are constructed in this way, these block rows R1 to R3 are fixed so as not to fall backward, as shown in FIG. , The river slope and block row R1
After filling the backing material 16 such as gravel or split stone with the R3, the concrete 17 is filled in the gap between the backing material 16 and the block body 2 of each block 1 for environmental conservation type retaining wall.
And cure. Then, the surrounding concrete around the hook portion 6 of each environmental conservation type retaining wall block 1 is hardened while being filled with the concrete 17, and all the environmental conservation type retaining wall blocks 1 are bound together by the concrete body 17. Fixed on the slope of the river.

Thereafter, a plurality of environmentally-friendly retaining wall blocks 1 are horizontally shifted by half the width of the environmentally-friendly retaining wall block 1 above the third row of block rows R3. By performing masonry, a fourth block row R4 is constructed. Then, the fourth row of block rows R4
Also, the grooves 4 and 5 of the environmental protection type retaining wall block 1 adjacent to each other are opposed to each other, and the cavity 15 is formed by these grooves 4 and 5 so as to vertically penetrate. At this time, the block row R4 in the fourth row is replaced with the block row R3 in the third row.
Is shifted horizontally by half of the width of the environmental conservation type retaining wall block 1, so that each environmental conservation of the fourth block row R4 is located above each cavity 15 of the third block row R3. At the same time when the cavity 3 of the block 1 for mold retaining wall is positioned, the fourth row of blocks R4 above the cavity 3 of each environmental conservation type retaining wall block 1 in the third row of blocks R3. Are positioned.

Next, above the fourth row of blocks R4,
The fifth row of block rows R5 is constructed by horizontally shifting a plurality of environmentally-friendly retaining wall blocks 1 horizontally by half the width of the environmentally-friendly retaining wall blocks 1.
To build. Then, also in the fifth row of blocks R5, the grooves 4 and 5 of the environmental protection type retaining wall block 1 adjacent to each other face each other and come into contact with each other, and the cavity 15 is vertically penetrated by these grooves 4 and 5. Formed in shape. On this occasion,
Since the fifth block row R5 is horizontally displaced from the fourth block row R4 by half the width of the block 1 for environmental conservation type retaining wall, each cavity of the fourth block row R4 is displaced. At the same time as the cavity 3 of each block 1 for environmental protection type retaining wall of the fifth row of blocks R5 is positioned above
Each cavity 15 of the fifth block row R5 is positioned above the cavity 3 of each environmental conservation type retaining wall block 1 of the fourth block row R4.

Finally, a plurality of environmentally-friendly retaining wall blocks 1 are horizontally shifted by half the width of the environmentally-friendly retaining wall block 1 above the fifth block row R5. To construct a sixth (top-most) block row R6. Then, also in the sixth row of blocks R6, the grooves 4 and 5 of the environmental protection type retaining wall block 1 adjacent to each other face each other and come into contact with each other, and the cavity 15 is vertically penetrated by these grooves 4 and 5. Formed in shape. At this time, the sixth row of block rows R6 is horizontally displaced from the fifth row of row blocks R5 by half the width of the environmentally-friendly retaining wall block 1, so that the fifth row of block rows R5 The cavities 3 of the respective environmental protection type retaining wall blocks 1 of the sixth block row R6 are positioned above the respective cavities 15 and at the same time, each environmental protection type retaining wall of the fifth block row R5. Each cavity 15 of the sixth row of blocks R6 is positioned above the cavity 3 of the application block 1.

When the fourth to sixth block rows R4 to R6 are thus constructed, the block rows R4 to R6 are fixed so that they do not fall backward. After filling the backfilling material 16 between R4 and R6, the concrete filling 17 is poured into the gap between the backfilling material 16 and the block body 2 of each block 1 for environmental conservation type retaining wall and cured. . Then, the surrounding concrete around the hook portion 6 of each environmental conservation type retaining wall block 1 is hardened while being filled with the concrete 17, and all the environmental conservation type retaining wall blocks 1 are bound together by the concrete body 17. Fixed on the slope of the river.

Thus, the environmentally-friendly retaining wall blocks 1 of all the block rows R1 to R6 from the bottom row to the top row.
Is fixed to the slope of the river, the retaining wall 11 is constructed by the blocks 1 for environmental conservation type retaining wall. At this time, arbitrary upper and lower two-stage block rows R1 to R
At 6, the cavity 3 of the environmentally-friendly retaining wall block 1 of the upper block row is positioned above each of the cavities 15 of the lower block row, and at the same time, each of the environmentally friendly molds of the lower block row. Each cavity 15 of the upper block row is positioned above the cavity 3 of the retaining wall block 1.
Therefore, as shown in FIG. 2A, the uppermost row (sixth row)
From the block row R6 to the lowermost (first row) block row R
Up to 1, the cavity 15 and the cavity portion 3 alternately communicate in the vertical direction. Further, as shown in FIG. 2, the notch portions 7 of the environmental protection type retaining wall blocks vertically and horizontally adjacent to each other.
8 and 9 cooperate to form a circular inner / outer communication hole 10, through which the cavity 3 or the cavity 15 of the block 1 for environmental conservation type retaining wall communicates with the front space S.

If the retaining wall 11 is used as it is, under the surface of the water, the water of the river passes through the internal and external communication holes 10 and the cavity 3 and the cavity 1 of the block 1 for the environmental conservation type retaining wall.
5 and the aquatic animals such as fish can use a part of the block 1 (underwater surface) for the environmental protection type retaining wall as a fish reef. The environmental preservation of the wall block 1 is improved.

When the slope of the river is to be greened, planting soil 19 is put into the cavity 3 and the cavity 15 of each of the blocks 1 for environmental conservation type retaining walls in the uppermost block row R6. I do. Then, as described above, the uppermost block row R6
Since the cavities 15 and the cavities 3 are alternately communicated in the vertical direction from to the lowermost block row R1, the planting soil 19
Sequentially reach the lowermost block row R1 through the cavity portion 3 or the cavity 15 of the environmental conservation type retaining wall block 1 of the block rows R5, R4, R3, R2, and accumulate thereon one after another. As a result, as shown in FIGS. 2B and 2C, the planting soil 19 is filled into the cavity 3 and the cavity 15 of all the environmental conservation type retaining wall blocks 1, and furthermore, all the inside and outside Since the planting soil 19 appears on the river side from the communication hole 10, it is possible to plant plants and greenery there.

Incidentally, as for the method of stacking the blocks 1 for the environmental protection type retaining wall, valley stacking is possible in addition to the flat stacking described above. When this valley stacking is adopted, as shown in FIG. 4, the blocks 1 for the environmental protection type retaining wall are piled while being inclined at 45 °, but the cavity 15 and the cavity portion are arranged from the top to the bottom. 3 alternately communicate with each other in the vertical direction to secure a lightning-shaped path, so that the planting soil 19 can be smoothly input as in the case of flat stacking.

In the above-described embodiment, arc-shaped (semicircular, quarter-circular) cutouts 7, 8, and 9 are provided on the front surface of the block main body 2, so that when the blocks are stacked, they are circular inside and outside. The case where the communication hole 10 is formed has been described, but the shape of the cutouts 7, 8, 9 is not limited to an arc. For example, a rectangular notch 7,
The rectangular inner and outer communication holes 10 can also be formed by employing 8, 9.

In the above-described embodiment, the environmentally-friendly retaining wall blocks 1 are stacked in six layers in a flat stack to form the retaining wall 11.
However, it is needless to mention that the number of steps of the environmental conservation type retaining wall block 1 is not limited to six steps.

Furthermore, in the above-described embodiment, the description has been given of the environmental protection type retaining wall block 1 in which the hook 6 is formed on the back surface of the block main body 2. However, the hook 6 may be omitted.

[0026]

As described above, according to the present invention, when a plurality of environmentally-friendly retaining wall blocks are piled up in a flat or valley to form a retaining wall, the environmentally-friendly retaining wall adjacent to each other is constructed. At the same time as the grooves of the wall block oppose and abut to form a cavity, the notches of the environmental protection type retaining wall block adjacent to each other vertically and horizontally cooperate to form an internal and external communication hole,
The cavities and cavities of the block for the environmental conservation type retaining wall communicate with the front space through the internal and external communication holes, so that aquatic animals can easily inhabit and the natural landscape can be maintained by greening. A wall block can be provided.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an embodiment of an environmental conservation type retaining wall block according to the present invention, wherein (a) is a plan view, (b) is a side view, and (c) is a front view. .

FIGS. 2A and 2B are diagrams showing a state in which the retaining wall is constructed by flatly stacking the blocks for environmental conservation type retaining wall shown in FIG. 1, wherein FIG. 2A is a front view thereof, and FIG. Sectional view by line A,
(C) is an enlarged detail view of a C part of (b).

FIG. 3 is a plan view showing a contact state between the blocks for environmental conservation type retaining wall shown in FIG. 2;

FIG. 4 is a front view of a state in which the retaining wall is constructed by laying the blocks for the environmental conservation type retaining wall shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Block for environmental conservation type retaining wall 2 ... Block main body 3 ... Cavity part 4, 5 ... Groove part 6 ... Hook part 7, 8, 9 ... Notch part 10 ... Internal / external communication hole 15 ... Cavity S …… Front space

Claims (1)

[Claims] 1. A rectangular parallelepiped block body (2) made of concrete, and a hollow body (3) is formed in the center of the block body by vertically penetrating the block body. (4,5)
A notch (7) is formed at the upper center of the front surface of the block body so as to communicate with the cavity portion, and cutout portions (8,
9) is formed so as to communicate with each of the grooves, respectively.