JPH0152526B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an earth retaining wall having a fish nest and a vegetation member.

[Conventional technology]

JP-A-54-18129 discloses a revetment wall in which fish nest blocks are placed below the lowest water level of a river, etc., and tree-planting blocks are placed above the highest water level.

[Problem to be solved by the invention]

Since the revetment wall according to the invention finely adjusts the slope and passage of the wall and uses a large number of blocks to form the retaining wall, it requires skill in masonry and requires a large amount of space behind the retaining wall. This method is uneconomical because it requires the installation of a shell, backfill concrete, and a stone layer.

Furthermore, since such tree planting and fish nest blocks are constructed in a staggered manner on the retaining wall surface,
It is difficult to cover the entire wall with greenery, and the increased speed of the water can cause fish and other animals to retreat downstream along with the mud on the riverbed, making it difficult to protect nature.

[Means to solve problems]

In an earth retaining wall formed by building blocks between the locking steps of pillar rods installed at intervals on a river bank, etc., the locking steps are located behind the earth retaining of the pillar rods. Both sides of the pillar are cut out in an L-shape, and the submerged part between the pillars is formed with a concave part for the habitat of fish, etc., and has a locking ridge that engages with the locking step. Fish nest blocks extending on both sides of the concave part are built, and a concave part with an open top for filling with soil is located between the columns above the water above the fish nest block. The above-mentioned problem is solved by providing an earth retaining wall in which a vegetation block is built in which has a locking protrusion that engages with the locking step and extends on both sides of a recessed part. .

[Function and Examples]

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

(First embodiment) As shown in Figures 1 to 4, on the back side of the earth retaining of both rising parts of the column rod 1 which is bent and formed into a U-shaped frame shape, an L-shaped cut is made on both sides. At the same time, the bottom center 1' is recessed toward the bottom surface, and locking steps 2', 2' are also provided on the upper surface of the recessed portion and on both sides thereof.

Next, as shown in FIGS. 5 to 7, the pillar rod 1
A bottom plate 3 in which a plate-like body is bent into a square cross-section so as to engage with a locking step 2' provided at the center 1' of the bottom, and steps 3', 3' are provided on both long side surfaces. As shown in FIGS. 8 to 10, the bottom plate 4 is flat and has stepped portions 4' and 4' on both long side surfaces.
form.

As shown in FIGS. 1 and 2, the bottom plate 3 has locking steps 2', 2 provided at the bottom centers 1', 1' of the column frames 1, 1 installed at intervals. The bottom plates 4, 4 are connected to each other on both sides of the bottom plates 3, 3, and the step parts 3', 3' and the step parts 3', 4' are connected to each other at the connected part. Fill the grooves thus formed with concrete and attach the bottom plates 3 and 4.
The floor of the waterway is constructed by integrating the

Next, as shown in FIGS. 11 to 13, a locking protrusion is formed by extending both sides of the concave portion 5', which is open at the top and formed into a substantially V-shaped cross section, for housing fish and the like. 5' and a through hole formed by cutting out one side wall of the recessed part 5';
As shown in FIGS. 14 to 16, a concave portion 6' having a substantially triangular cross-sectional shape for housing fish, etc. is integrally provided on the back of the edge frame, and A locking protrusion 6' is formed by extending the recessed part 6', and a large number of passages are provided in the deep part of the concave part 6' to communicate with the bottom soil of the riverbed, allowing fish and the like to sneak into the bottom soil and live or hibernate. A fish nest block 6 having holes 6a... is formed.

As shown in FIGS. 1 and 2, the fish nest blocks 5 and 6 have the above-mentioned openings at the bent portions of the bottom and rising portions of the post rod 1, that is, at the deepest part of the submerged portion. It faces the muddy soil of the riverbed, and in fish nest block 6, the opening is oriented toward the waterway side.
In addition, the respective locking protrusions 5' or 6' are engaged and built between the locking steps 2, 2 of the column rods 1, 1, which are installed at intervals.

In addition, a modified type of fish nest block 7 in which the side wall of the concave portion 5' of the fish nest block 5 is not cut out is attached to the locking steps 2 of the post rods 1, 1 at the submerged part of the upper part of the fish nest block 5 or 6. The engaging portion is engaged between the two and built in.

As shown in FIG. 1, between the locking steps 2 and 2 of the pillar rods 1 and 1 located above the fish nest block 7, that is, above the water, the fish nest block 5 is rotated 180 degrees from the axis, and as shown in FIG.
Moreover, by building the opening diagonally upward on the waterway side and the through hole facing the back of the retaining wall, the fish nest block 5 can be used as a vegetation block, and the concave portion 5' can be constructed from the opening on the upper surface. This involves filling the walls with soil so that they are continuous with the soil on the back of the retaining wall, and planting plants in the filled soil. As shown in Fig. 2, the vegetation block is constructed by inverting the modified type of fish nest block 7 by 180 degrees and erecting it with its opening facing diagonally upward toward the waterway side, and in the concave portion thereof. You can also fill it with soil and create vegetation.

Furthermore, as shown in FIGS. 17 to 19, a side plate block 8 is provided, in which locking convex edges 8' are integrally provided on both sides of a horizontally long rectangular plate body, and the upper part is bent into a key shape. As shown in FIGS. 1 and 2, in the upper stage of the fish nest block 5 or 7 used as a vegetation block, the locking step portions 2 and 2 of the post rods 1 and 1 are arranged so that the key-shaped bent portions are opposite to each other. The locking convex edge 8' is engaged with and built in.

(Second Embodiment) As shown in Figures 20 to 22, an L-shaped cutout is formed on both sides of the upright part of the column rod 1, which is bent into a U-shaped frame, on the back side of the earth retaining part. At the same time, the bottom center 1' is recessed toward the bottom surface, and locking steps 2', 2' are provided on the upper surface of the recessed portion and both sides thereof.

Next, as shown in FIGS. 23 to 25, locking edges 9', 9' are also attached to both sides of the long side of the rectangular plate.
A bottom plate 9 having locking edges 9″, 9″ integrally protruding from the short sides is also formed, and as shown in FIGS. 26 to 28, stepped portions are provided on both sides of the long sides of the rectangular plate. 10'
, and a bottom plate 10 with a stepped portion 10″ on the short side as well.
form.

As shown in FIGS. 20 and 21, the bottom plate 9 has locking steps formed in recessed portions at the bottom centers 1', 1' of the column rods 1, 1 installed at intervals. The locking edge 9'' on the short side of the bottom plate 9 is engaged between the parts 2', 2', and the bottom plates 10, 10 are fitted on both sides of the bottom plate 9.
, the step 10'' on the short side of the bottom plate 10
is attached to the locking step 2' of the column rod 1, and also to the step 1 on the long side.
0' respectively engage with the locking edges 9' on the long sides of the bottom plate 9 to construct the floor of the water channel.

Next, as shown in FIGS. 29 to 31, about a quarter of the bottomed cylindrical body is cut in the axial direction to open it, and a recessed part for fish and the like to live therein is formed, In addition, a fish nest block 11 is formed by integrally protruding locking protrusions 11', 11' on both side walls.

This fish nest block 11 is shown in FIGS. 20 and 21.
As shown in the figure, in the submerged part, the opening is oriented diagonally downward, and the locking protrusions 11' provided on both side walls are connected to the pillar rods 1, 1 installed at intervals.
It is built between the locking steps 2 and 2. Further, in the above-water position, the fish nest block 11 is built with the opening directed diagonally upward, and the concave portion of the upper opening is filled with soil to be used as a vegetation block.

However, when used as a built-in vegetation block above the water, holes 11 should be installed at appropriate locations on the arc-shaped wall surface.
In addition to draining water by drilling holes a, the soil filled in the concave portion with an opening on the top surface is connected to the soil behind the vegetation block.

Incidentally, the pillar rod 1 shown in the first and second embodiments can also be cut in half at the center to form an L-shape.

(Third Embodiment) The third embodiment shows a case where one side of the waterway is constructed with a wide waterway width.

As shown in FIGS. 32 to 35, locking step portions 12, 12 are provided vertically by cutting out both sides of the rear side of the prismatic body in an L-shape, and the locking step portions are also provided at the upper end. Another locking step 1 in the direction perpendicular to the portions 12, 12.
2' and 12' are provided, and a locking guide edge 12'' is provided protruding from the lower end of the locking step portion 12 to form a pillar rod 13.This pillar rod 13 is provided on one side of the waterway. Plant the plants at intervals.

Therefore, as shown in FIGS. 36 to 38,
A trapezoidal fish nest block 14 is formed with the bottom side open and the inside thereof serving as a concave part for fish and the like to live in.

Then, the opening of the fish nest block 14 is directed toward the waterway side, and the lower end portions of both ends are connected to the pillar rod 1.
By placing it between the locking protrusions 12'' and 12'' of the locking projections 12'' and 12'' and engaging the front ends of both ends with the locking steps 12 and 12, it is possible to reach the deepest part of the submerged part. Form a fish nest. Furthermore, a straight plate-shaped side plate block 15 for height adjustment is installed between the locking steps 12, 12 on the upper part of the fish nest block 14.

Next, near the highest water level, there is a triangular bag shape as shown in Figures 39 to 41.
Concave portion 16′ with an open top surface for filling with soil
The vegetation block 16 has locking edges 16'', 16'' integrally provided at both ends, and the locking edges 16'', 16'' are connected to the locking steps 1 of the pillar rods 13, 13.
At the same time, the concave portion 16' is filled with soil and plants are planted.

Next, as shown in FIGS. 42 to 44, a modified type of vegetation block 16 in which the locking protrusion 16'' is formed to be bulkier than the concave portion 16' having an open top surface is prepared.
It is built across the locking steps 12, 12 at a position above the water above the vegetation block 16.

Locking step portion 12', 1 formed at the upper end of the column rod 13
A top block 17 that can be bent into a key shape as shown in FIGS. 45 and 46 is installed between 2' to prevent the soil behind the earth retaining from flowing out to the river side.

In addition, in the first and third embodiments, an example of using the side plate block and the top block was shown, but the present invention is not limited to the above embodiments, and the design can be changed freely. There is no question as to the specific method of using the top block.

〔Effect of the invention〕

As described above, the present invention is to build a fish nest block between the locking step parts of the submerged part of a post rod, and to form a concave part in the wall surface for evacuation or habitat for fish etc. Since the concave portion is formed continuously in the flowing water direction and protrudes or recesses from the wall surface, the inside of the concave portion is blocked from the flowing water of the river, and the flow velocity becomes weak, creating an environment suitable for fishes to live. Therefore,
Unlike in the past, fish are not dispersed downstream by rapid currents, and this has the effect of conserving the river ecosystem.

Further, above the fish nest block, a vegetation block having a concave part with an opening on the top surface for filling with soil can be continuously provided, and plants filled with soil can be planted in the concave part of the vegetation block. As a result, the gray color of the concrete blocks can be hidden and the entire surface of the earth retaining wall can be covered with greenery, resulting in an effect that further contributes to environmental conservation.

Furthermore, the earth retaining wall is constructed by engaging the locking ridges of the fish nest and vegetation block with the locking steps provided behind the earth retaining wall of the pillar rod, so that the earth pressure behind the earth retaining wall will not be applied. As a result, fish nests and vegetation blocks are not pushed out to the river side, and the locking steps and locking ridges come into close contact with each other due to earth pressure, creating a solid structure. Since it can be built one after another without making minor adjustments, construction is easy and quick.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional front view showing the first embodiment of the present invention, Fig. 2 is a partially cutaway AA sectional view in Fig. 1, Fig. 3 is a side view of the column and rod, and Fig. 4 is the same half cutaway. A plan view, FIG. 5 is a partially cutaway front view of the bottom plate, FIG. 6 is a side view of the same, FIG. 7 is a plan view of the same, FIG. 8 is a partially cutaway front view of another bottom plate, and FIG. 9 is a partially cutaway front view of the same bottom plate. A side view, FIG. 10 is a plan view of the same, FIG. 11 is a partially cutaway front view of a fish nest block that also serves as a vegetation block, FIG. 12 is a plan view of the same, FIG. 13 is a side view of the same, and FIG. Partially cutaway front view of the nest block, Figure 15 is the same side view, Figure 1
6 is a plan view of the same, FIG. 17 is a partially cutaway front view of the side plate block, FIG. 18 is a side view of the same, and FIG. 19 is a plan view of the same. Fig. 20 shows the second embodiment, the left half is a half-cut front view of the column and rod, the right half is a half-cut vertical sectional view showing the implemented state, and Fig. 21 is a partially cutaway A-A cross section in Fig. 20. Fig. 22 is a side view of the column rod, Fig. 23
24 is a side view of the bottom plate, FIG. 25 is a plan view of the same, FIG. 26 is a partially cutaway front view of another bottom plate, FIG. 27 is a side view of the same, and FIG. 28 is a partially cutaway front view of the bottom plate. 29 is a partially cutaway front view of a fish nest block that also serves as a vegetation block, FIG. 30 is a side view of the same, and FIG. 31 is a plan view of the same. Fig. 32 is a vertical sectional front view showing the third embodiment, Fig. 33 is a partially cutaway side view of the same, Fig. 34 is a rear view of the column and rod, Fig. 35 is a plan view of the same, and Fig. 36 is a view of the fish nest block. 37 is a partially cutaway plan view of the same, FIG. 38 is a front view of the same, and 3.
Fig. 9 is a partially cutaway front view of a vegetation block, Fig. 40 is a side view of the same, Fig. 41 is a plan view of the same, Fig. 42 is a partially cutaway front view of another vegetation block, and Fig. 43 is a side view of the same. , FIG. 44 is a plan view of the same, FIG. 45 is a partially cutaway front view of the top block, and FIG. 46 is a side view of the same. 1, 13... Pillar rod, 2, 12... Locking stepped portion,
3, 4, 9, 10...bottom plate, 5, 6, 7, 11,
14... Fish nest block, 5', 6', 16'... Concave portion, 5'', 6'', 11', 16''... Locking ridge, 1
6... Vegetation block.

Claims (1)

[Claims] 1. In an earth retaining wall formed by building blocks between the locking steps of pillar rods installed at intervals on a river bank, etc., the locking steps are the earth retaining walls of the pillar rods. Both sides of the rear side are cut out in an L-shape, and the submerged part between the pillars is formed with a concave part for fish and the like to live in, and a locking protrusion that engages with the locking step. A fish nest block is constructed by extending on both sides of the concave part, and a concave shape with an open top for filling with soil is built between the columns above the water located above the fish nest block. What is claimed is: 1. An earth retaining wall characterized in that a vegetation block is built into the concave part and has a locking protrusion that engages with the locking step and extending on both sides of the recessed part.