JPS6340891B2 - - Google Patents

Description

[Detailed description of the invention] "Purpose of invention" a Industrial application field The present invention relates to blocks for greening retaining walls.

b. Prior art A conventional retaining wall uses a large number of concrete blocks, covers the front of the retaining wall with concrete, and places chestnut or concrete behind it.

c Problems to be solved by the invention In order to prevent collapse due to inadequate underground drainage, it takes time and effort to cast expensive backfilling materials such as chestnut stone and concrete, and when the retaining wall is completed, nature is destroyed and greenery is lost. In addition, the conventional concrete retaining wall, which uses a large number of concrete blocks and concrete is poured and masonned behind them, becomes a rigid body and is prone to uneven settling of the ground. As a result, cracks may occur in the retaining wall, and in severe cases, the retaining wall may collapse due to the concentrated load of locally acting earth pressure.

"Structure of the Invention" a Means for Solving the Problems A front wall that tilts forward and a soil receiving plate are connected to form a square shape, and a chevron-shaped bulge is formed at the front of the upper surface at both ends. A basic block for a greening retaining wall made of concrete or synthetic resin is integrally provided with a formed side wall, so that the side wall continues approximately vertically when the blocks are assembled, and the blocks are self-supporting and stable. The upper blocks are stacked in multiple stages, with every other block spaced apart between the side walls of adjacent blocks placed apart from each other on the lower level, and at both ends of the retaining wall, between the upper and lower basic blocks. , insert a plate-shaped joint end block with the same shape as the side wall of the basic block, and tilt the front wall of the rectangular plate forward on the uppermost stage to form soil receiving plates on both sides of the top block, and install one on the lower stage. It is mounted across the side walls of two adjacent basic locks that are spaced apart from each other.

Thus, retaining walls are built one after another while filling the voids formed on the soil receiving plate of each block with soil, and the soil filled in the voids on the soil receiving plate is held in a square shape and exposed. The slope is rammed with soil and compacted, and the grass grown on the slope is covered with pine-like soil clods, which are fixed using bamboo skewers or the like, or seeds and fertilizer are sprayed onto a net-like sheet. The retaining wall surface is greened in a checkerboard pattern by applying the sheet and stretching it on the slope surface, or by spraying the mixture of seeds and fertilizer onto the slope surface with a spray gun to create vegetation.

The retaining wall constructed in this way becomes a non-rigid gravity retaining wall that balances the earth pressure behind the retaining wall by adding the weight of each block and the weight of the soil supported by each block. It is characterized by restoring the natural environment to residential land, etc. after land development by planting vegetation on the slope, and at the same time saving materials.

b. Effects and Embodiments The embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 4 to 9, a front wall 1 that tilts forward
a, and a long rectangular soil receiving plate 1 with a wide width.
are connected in series to form a square shape, and integrally have side walls 2, 2 having chevron-shaped bulges 2a on the front upper surface of which the inner surfaces are sloped in the same manner as the front wall 1a at both ends thereof. A concave portion 3 is provided in the middle of the upper end surface of the side wall 2, and a convex portion 10' is provided on the outside of the upper surface of the rear end portion to prevent the block from sliding to the left and right. A basic block 4 for a greening retaining wall is formed by providing a recess 10 in the length direction on the lower surface and further providing a wall 1' for holding the soil by bending the rear end of the soil receiving plate 1 upward.

Then, as shown in Figures 1 to 3, the ground surface is slightly excavated and the basic block 4 is placed on the top of the foundation.
The basic blocks 4 are arranged in a row so as to be spaced apart from each other with an interval slightly narrower than the width of the basic blocks 4, and the spaces above each soil receiving plate 1 are filled with soil 5, and the lowest stage is installed. Next, the side walls 2, 2 of the other basic blocks 4 are mounted over the opposing side walls 2, 2 of the adjacent basic blocks 4, 4 arranged at a distance from each other on the lower stage, and At the same time, soil 5 is placed in the space above each soil receiving plate 1.
...and install the second stage. At this time, side wall 2
The lower front end of the front wall 1a of the second stage block is in close contact with the inner surface of the bulging portion 2a.

Thereafter, a large number of basic blocks 4... are constructed in multiple stages using the same method, and at both ends of the retaining wall, between the upper and lower basic blocks 4, as shown in FIGS. A plate-shaped joining end block 6 having the same shape as the side wall 2 of the block 4, that is, a chevron-shaped bulge 2a is provided at the front of the upper surface, and a protrusion 10' and a recess 10 are provided at the upper and lower surfaces of the rear end to form a basic block. 4
The retaining wall is stabilized by inserting a connecting end block 6 that fits into the recess 10 and the convex portion 10' provided in the retaining wall and prevents it from shifting to the left and right. Then, the soil 5... is held in a square shape when viewed from the front, and the exposed slope is compacted with soil, and a pine-shaped soil clod with grass vegetation is placed on the soil 5. The retaining wall surface is greened in a checkerboard pattern by fixing the grass using skewers (not shown) or the like and spreading the grass. Incidentally, the soil 5 may be planted with shrubs, flowers, etc.

The basic blocks 4... stacked on the top level are stacked apart from each other, creating unevenness at the top, so the slope surface of the soil 5... filled into the void above the soil receiving plate 1... becomes uneven. Therefore, the front wall is tilted forward and stands up on the side walls 2, 2 of the adjacent basic blocks 4 or on the side wall 2 and the joint end block 6, as shown in FIGS. A soil receiving plate 1 on which both sides of a long rectangular plate-shaped top block 8 with a bent edge 7 is placed on top of it, embanked on top of the top block 8, and holds the slope of the embankment in a square shape. Match the slope of the soil 5 above, and spread grass on each slope as described above.

In addition, the wall 1' standing at the rear end of the chestnut stone 1 provided on the basic block 4 also serves as a reinforcing rib and serves as a third wall.
As shown in the figure, the soil receiving plate 1 holds water and soil to prevent the lawn from dying due to drought, and the recesses 3 provided on the top surface of each side wall 2
is intended to ensure continuity between adjacent soils 5.

As another embodiment of the basic block, as shown in FIGS. 21 to 25, a wall 1' that holds the soil is moved forward and erected closer to the center of the side wall 2, and the rear lower end of the soil receiving plate 1 is moved forward. When the basic block 4 is lifted by chamfering the corners, it is used as a hook part 11 of the lifting tool, and a convex part 10' and a recess 10 are provided in the rear half of the upper and lower end faces of the side wall 2,
As shown in FIGS. 26 to 30, the front wall 1a
and soil receiving plate 1 are connected in series, and the plate is raised and bottom type.
While forming a wall 1′ that holds the soil downward,
There is an example in which a chevron-shaped bulge 2a is provided at the front end of the side walls 2, 2, and a recess 10 and a protrusion 10' are provided on the upper and lower end surfaces to fit into the other basic blocks 4, and the 31st
As shown in FIGS. 35 to 35, there is an example in which the front wall 1a and the soil receiving plate 1 are connected in series, and the bottom type is raised, and the wall that holds the soil facing downward is omitted.
As shown in FIGS. 36 to 40, an example in which a square plate is installed horizontally from the top of the side walls 2, 2, and a wall 1' that holds the soil over the entire length of the rear end of the side walls 2 is provided. Also, as shown in FIGS. 41 to 45, there is an example in which a square plate is installed horizontally from the top of the side walls 2, 2, but the wall that holds the soil facing downward is omitted.

In addition, as another embodiment of the joining end block 6, the 46th
As shown in FIG.
0' is provided, and it fits into the recess 10 and convex part 10' provided in the basic block 4. Therefore, when constructing a curved part of the retaining wall, the retaining wall is spaced apart every other time. Basic block 4
The interval between the basic blocks 4 arranged in the upper row is kept narrow or wide compared to the interval between them, and
Since the masonry must be bent at a desired angle, as shown in Fig. 50, the upper basic block 4 and the lower basic block 4 are adjusted and shifted freely, and the masonry is built by bending at the desired angle. .

"Effects of the Invention" When a retaining wall is constructed using the basic blocks 4 for greening retaining walls according to the present invention, the weight of the basic blocks 4 and the weight of the soil 5 filled on the soil receiving plate 1 are added. In order to maintain a balance with the earth pressure applied behind the retaining wall, the side walls 2 of the basic blocks 4 are overlapped almost vertically to form a wall that continues upward, and the blocks are connected to each other by the bulge 2a of the side wall 2 and the front wall. The fitting of the front end of the lower part 1a and the fitting of the concave part 10 and the convex part 10' prevents sliding or shifting in the front, back, left, and right directions, and the mating end blocks 6 are fitted with the basic block 4 at both ends of the retaining wall in a convex-concave manner. In order to securely receive the basic block 4 by fitting it together and preventing it from shifting to the left or right, a retaining wall with a stable self-supporting structure is constructed. It is not necessary to do so.

In addition, by holding the soil 5 in a square shape when viewed from the front by the side walls 2, 2 and the soil receiving plate 1, and forming them at intervals on the retaining wall surface, the exposed surface of the soil is extremely When a wide, taut lawn grows, the retaining wall surface becomes green in a checkerboard pattern.
The front of basic block 4 is hidden and the entire retaining wall is covered with greenery, restoring the natural environment before land reclamation. Furthermore, the construction is simple and quick, and the fact that no backfilling material is required and that the basic blocks 4 are stacked at a distance from each other combine to save materials and provide excellent economic efficiency.

Since conventional concrete retaining walls form a rigid body as a whole, if the earth pressure behind the retaining wall concentrates locally, cracks may occur in those areas or, in extreme cases, the retaining wall may collapse. On the other hand, in the retaining wall constructed using the greening retaining wall block according to the present invention, the void space on the soil receiving plate 1 of the basic block 4 is filled with soil 5, and each basic block 4 is not fixed to each other. Since it has a non-rigid structure, even if there is a local concentration of earth pressure, the soil 5 in that area is pushed out to the front of the retaining wall and rises, and there is no adverse effect on the basic block 4 itself. There is no risk of cracks occurring or the retaining wall collapsing. Also, even if the ground sinks or rises, each block will
Since each side wall is flexibly joined by masonry pin joints, the entire retaining wall is prevented from being destroyed due to slight bending of the blocks at subsidence or uplift areas.

The concave portion 3 provided in the side wall 2 allows adjacent filled soil 5 to be continuous with each other, so that the soil is integrated and uniformly supplies water and nutrients, thereby promoting uniform growth of the lawn. Therefore, the slope is formed by dividing every other slope, and the slope has a gentle slope, and is covered with grass to prevent the soil 5 from flowing out due to heavy rain, thereby increasing the self-sustaining stability of the retaining wall. Furthermore, since water is retained in the soil receiving plate 1, the plants do not wither even during drought periods. Furthermore, on the front surface of the retaining wall constructed in this manner, a large number of dogleg-shaped protrusions formed by the front wall 1a and the slope of the soil 5 exposed on the surface are displayed in a checkerboard pattern. It has an excellent effect of attenuating the noise level by dispersing and reflecting car noise back to the source, preventing it from spreading far away, and the grass, shrubs, etc. grown on the soil 5 and the slope of the soil 5 absorb the noise and reduce the noise. It also has a silencing effect that reduces pollution.

As described above, the greening retaining wall block according to the present invention is a new and innovative block that is completely different from conventional valley-stacked or cloth-stacked concrete blocks.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway front view showing the construction of a retaining wall using the greening retaining wall block according to the present invention, Fig. 2 is a rear view thereof, and Fig. 3 is a sectional view taken along line AA in Fig. 1. Fig. 4 is a front view showing the basic block for a greening retaining wall, Fig. 5 is a plan view of the same, Fig. 6 is a rear view of the same, Fig. 7 is a side view of the same, and Fig. 8 is an A in Fig. 4. -A sectional view, Figure 9 is a perspective view of the same, Figure 10 is a front view of the mating end block, Figure 11 is a top view of the same, Figure 12 is a bottom view of the same, Figure 13 is a left side view of the same, Figure 1
Figure 4 is a right side view of the same, Figure 15 is a right side view of the mating end block showing the concave and convex portions in reverse, and Figure 16 is a right side view of the same.
0, FIG. 17 is a front view of the top block, FIG. 18 is a plan view, FIG. 19 is a perspective view, and FIG. 20 is an AA sectional view in FIG. 17. Fig. 21 is a front view showing another embodiment of the basic block, Fig. 22 is a plan view thereof, Fig. 23 is a rear view thereof, Fig. 24 is a side view thereof, and Fig. 25 is an A-- A sectional view, FIG. 26 is a front view showing another embodiment of the basic block, FIG. 27 is a plan view, FIG. 28 is a back view, and FIG. 29 is a side view.
Figure 30 is a cross-sectional view taken along line A-A in Figure 26;
Figure 1 is a front view showing another embodiment of the basic block;
Figure 32 is a plan view of the same, Figure 33 is a back view of the same, and Figure 3
Figure 4 is the same side view, Figure 35 is A in Figure 31.
-A sectional view, FIG. 36 is a front view showing another embodiment of the basic block, FIG. 37 is a top view, FIG. 38 is a rear view, FIG. 39 is a side view, and FIG. 36 is a sectional view taken along line A-A in FIG. 36, FIG. 41 is a front view showing another embodiment of the basic block, FIG. 42 is a top view, FIG. 43 is a side view, and FIG. 44 is a back view, Figure 45 is a sectional view taken along line AA in Figure 41;
Fig. 46 is a front view showing another embodiment of the joint end block, Fig. 47 is a left side view of the same, Fig. 48 is a right side view of the same, Fig. 49 is a perspective view of the same, and Fig. 50 is a curve of the retaining wall. FIG. DESCRIPTION OF SYMBOLS 1... Soil receiving plate, 1a... Front wall, 1'... Wall holding soil, 2... Side wall, 2a... Swelling part, 4... Basic block, 6... Junction block, 8... Top block.

Claims (1)

[Claims] 1. A greening retaining wall that is formed by connecting a front wall that tilts forward and a soil receiving plate to form a rectangular shape, and integrally providing side walls at both ends thereof with a chevron-shaped bulge at the front of the upper surface. The upper blocks are spaced apart from each other across the side walls of adjacent blocks arranged at intervals on the lower stage so that the side walls of the blocks are approximately vertically continuous when the blocks are assembled. A green retaining wall block characterized by masonry construction.