JP2517380Y2 - Ecosystem conservation block - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to an improvement of a concrete block having an ecological conservation function and a vegetation function capable of propagating a plant on coasts, revetments of rivers and insects such as fish and buds.

[Prior art]

Fish nest blocks have been proposed in the past to enable revetment work that does not damage the ecosystem of aquatic animals. For example, in Japanese Utility Model Laid-Open No. 62-172716, a slightly narrower front wall is placed at a fixed interval to the rear wall, and the front wall is slightly offset in the front-rear direction from the rear wall. In this structure, both sides are closed to integrally form a rhombic side surface portion, and a through hole is formed in this side surface portion. It is important to breed aquatic plants and plankton as a place where fishes live. Therefore, even if only the hollow part is formed as in the past, it hardly fulfills the function of ecosystem conservation. In addition, many aquatic organisms live on land when they become adults. For example, in the case of Tsubasa, before it becomes an adult, it rises from the water to the ground and becomes a cocoon. However, in order to live like this, earth and sand are required on the slope. Conventional concrete blocks do not have the function of stably holding such soil. Also, whether it is a fish nest block or a vegetation block,
Construction stability is required to use it as a seawall block. Therefore, even if the slope of the slope is 1: 1.0 or more, it must be easy to construct,
Conventionally, it has been common to have a slope of about 1: 0.3 to 1: 0.5, and providing an easy-to-install product has been an issue. Furthermore, conventionally, ecosystem conservation has been considered separately for underwater organisms and above-water organisms. Therefore, the blocks designed for each specification are used separately,
Ecosystem conservation was not perfect. In response to such conventional problems, the present inventor has developed an ecosystem conservation block for fish nests, an ecosystem conservation block for vegetation, and an ecosystem conservation revetment structure that systemizes these blocks. No. (Japanese Patent Publication No. 6-10363). The ecological conservation block suitable for the novel fish nest is a block having a top opening formed by a substantially convex front wall, a rectangular rear wall higher than the front wall, and a bottom slab. It is characterized in that the buttress wall is formed with a hollow portion and a crushed stone filling portion on both sides thereof, an opening is provided through substantially the center of the front wall, and a through hole is provided substantially at the center of the buttress wall and below the hollow portion. It is a thing. Further, the ecological conservation block suitable for vegetation is a block with an upper surface opening formed by the front wall, the rear wall above it, and the bottom slab in between, and the inside is divided by a retaining wall to fill the soil. It is characterized by being a part. If both the fish nest ecosystem conservation block and the vegetation ecosystem conservation block are constructed along a slope of 1: 1.0 and the bottom slab is horizontal, construction is possible even when the slope is gentle. Is easy. In addition, these have been systematized to form an ecosystem conservation revetment structure in which fish nest ecosystem conservation blocks are piled almost below the water surface and vegetation ecosystem conservation blocks are stacked above the water surface. With the above structure proposed in Japanese Patent Application No. 1-189560 (Japanese Patent Publication No. 6-10363), a large fish near the center of the block is fulfilled by the pair of buttresses formed in the middle while functioning as a revetment. A room for hiding and swimming is formed, and a cavity for water convection is formed. There is an opening that penetrates almost the center of the front wall to allow fish to enter and exit. In particular, if this opening is vertically long, the function as a fish nest does not deteriorate even if it is filled with gravel or the like. Then, on both sides of the moss and aquatic plants, there is formed a filling part of crushed stone that provides a living space for fish and other aquatic animals. In addition, even in the ecosystem conservation block for vegetation, it can perform the same revetment function as well, and can fill the earth and sand into the earth and sand filling part that is formed inside the block and is divided by the retaining wall. It has the characteristics that it makes it possible to grow plants and provide a place for land-based living for the undergrowth such as the hills. Furthermore, the ecosystem conservation revetment structure consisting of the ecosystem conservation blocks for fish nests and the ecosystem conservation blocks for vegetation, which are systematized of these, is used to inhabit both the underwater organisms and the above-water organisms. It not only provides a place for people to live, but especially for those who live both underwater and on land, it provides an optimal environment for both lives and fulfills the function of ecosystem conservation.

[Problems to be solved by the device]

The ecosystem conservation revetment structure of the above structure is such an excellent structure, but as a result of subsequent studies, a structure in which people, animals, etc. can climb up and down the wall surface while the revetment retains the function. It became necessary to do.

[Means for Solving the Problems]

Then, as a result of examining the above-mentioned subject, the ecosystem conservation block which provided the stair part (1) to the front wall (2) of the side wall rhombus hollow block in which the front wall (2) and the rear wall (3) are inclined backward It was developed. The inclination of the front wall (2) and the rear wall (3) to the rear means that they have an inclination substantially along the slope of the revetment. The rhombus of the side-wall rhombic hollow block has an upper edge parallel to the lower edge of the block when the block is viewed from the side, and the front wall (2) and the rear wall (3) are inclined rearward between them. It is in the state of forming a substantially rhombus by being present. It also includes a case where a concavo-convex joint is provided for connection between the upper and lower blocks, or a case where concavities and convexities are provided on the front wall (2) and the rear wall (3) as needed for makeup.

[Action]

The fish nest ecosystem conservation block can form a stairway on the slope by stacking the ecosystem conservation blocks without stairs or ordinary slope blocks in order from the bottom to the top. In addition, the hollow part enables the storage of earth and sand and crushed stones, and provides a place of habitat for underwater and terrestrial creatures to exert an ecological conservation function.

【Example】

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a plan view of a first embodiment of an ecosystem conservation block of the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a side view thereof. FIG. 4 is a sectional view taken along the line AA in FIG. 1, and FIG.
It is B sectional drawing. This ecosystem conservation block (10a) is suitable for fish nests, and is of a type in which the internal cavity (4) communicates with the cavity of the lower block. Therefore, a communication hole (5) is provided at the bottom. The front wall (2) and the rear wall (3) are inclined rearward with respect to the bottom thereof, and the upper portion is open. As shown in FIG. 3, the hollow block has a substantially rhombic shape when viewed from the side. A staircase (1) is provided on the front wall (2). The top of the stairs (1) should have a gap when the upper blocks are stacked, rather than the upper edge of the blocks.
It is in the lower rank. FIG. 6 is a plan view of a second embodiment of the ecosystem conservation block of the present invention, FIG. 7 is a front view of the same, and FIG. 8 is a C in FIG.
FIG. The ecosystem conservation block (10b) of this embodiment is suitable for vegetation and is of a type with a bottom slab (6) which is stacked on top of that of the first embodiment. In this example as well, the front wall (2) and the rear wall (3) are inclined rearward with respect to the bottom slab (6), and the front wall (2) is provided with the step portion (1).
The uppermost part of the stair part (1) is below the upper edge of the block also in this example. The cavities formed from the bottom slab (6) to the top are filled with earth and sand or crushed stone. FIG. 9 is a front perspective view showing a revetment structure using the ecosystem conservation block of the present invention, and FIG. 10 is an enlarged sectional view of the same. In order to form a stairway on a revetment slope using the ecosystem conservation block of the present invention, as an example, first, the above-mentioned conventional proposed fish nest ecosystem conservation block (11a) is placed at the bottom of the water surface. It is used on the block (12a) and stacked on it. First, on the fish nest ecosystem conservation block (11a), the inner cavity (4) of the first embodiment communicates with the cavity of the lower block through the communication hole (5). The ecosystem protection block (10a) is stacked, and the ecosystem protection block (10b) for vegetation of the type without the communication hole (5) of the bottom plate (6) is stacked thereon. Above the surface of the water, blocks of this type are sequentially stacked to form stairs.
The inner cavity is filled with rubble (7) in the fish nest ecosystem conservation block (10a) and filled with earth and sand (8) in the vegetation ecosystem conservation block (10b). The slopes on the left and right of this staircase are the lower part of the proposed ecological conservation block for fish nests (11a) stacked below the surface of the water, and the ecological conservation block for vegetation (11b) is located above the surface of the water. Are piled up to be. It enables moss and aquatic plants to grow on underwater revetments, providing a living space for fish and other aquatic animals. On the revetment above the surface of the water, larvae of the buds raised from the water can make cocoons in the earth and sand filled in the earth and sand, and become a living space for other creatures. In addition, plants can grow and the revetment will be close to the natural environment. The fish nest ecological conservation blocks (11a) used under the water on both sides of the stairs are formed by a substantially convex front wall (13), a rectangular rear wall above it, and a bottom slab with a slope of 1: 1.0. Has been done. This is a block with an upper surface opening, and a cavity is formed by a pair of buttresses in the middle, and crushed stone filling parts (14) and (14) are formed on both sides of the cavity. A round through hole is provided substantially in the center of the buttress, and a rectangular through hole is provided below the hollow portion. The front of the front wall (13) is decorated with a pseudo-stone pattern so that the natural landscape is not destroyed. The front wall (13) has a vertically long opening (15) penetrating almost to the center so that the function as a fish nest does not deteriorate even when the front wall (13) is filled with gravel or the like. When the bottom slab is piled up horizontally, the entire revetment has a gentle slope of 1: 1.0. Furthermore, the vegetation ecosystem conservation blocks (11b) used on the water surface on both sides of the stairs have a liquid front wall (13).
It is a block with an upper opening formed by a rear wall above it and a bottom plate with a slope of 1: 1.0 between them. The inside is divided by two buttresses and the center and both sides of it. A soil and sand filling section (16) is formed there. The bottom plate has a small drainage hole. The front wall (1
The front of 3) is decorated with a pseudo-stone pattern so that the natural landscape is not destroyed.

[Effect of device]

Due to the structure described above, the present invention ensures excessive living space and vegetation by the ecosystem conservation blocks during river rehabilitation work, while maintaining the river's small animals, fish and other natural ecosystems. It enabled people and animals to come and go freely. And the construction for that became easy.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of an ecosystem conservation block of the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a side view thereof. FIG. 4 is a sectional view taken along the line AA in FIG. 1, and FIG.
It is sectional drawing. FIG. 6 is a plan view of a second embodiment of the ecosystem conservation block of the present invention, FIG. 7 is a front view of the same, and FIG. 8 is a sectional view taken along line CC of FIG. FIG. 9 is a front perspective view showing a revetment structure using the ecosystem conservation block of the present invention, and FIG. 10 is an enlarged sectional view of the same. (1) Stairs, (2) Front wall (3) Rear wall, (4) Hollow part (5) Communication hole, (6) Bottom plate (7) Chest stone, (8) Sediment (10a) (10b) Ecology with stairs System maintenance block

Claims (1)

(57) [Scope of utility model registration request] 1. An ecosystem conservation block characterized in that a step portion (1) is provided on a front wall (2) of a side wall rhombic hollow block in which a front wall (2) and a rear wall (3) are inclined rearward.