JP3948639B2 - Firefly breeding waterway structure using firefly breeding waterway block - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a firefly-growing channel block for growing fireflies, water-based animals and plants in a natural environment, and a firefly-growing channel structure using the firefly-growing channel block.
[0002]
[Prior art]
Conventional revetments are generally constructed with loading blocks. However, when constructed with a product block, the entire revetment e is covered with a concrete block (see FIG. 12). As a result, the natural landscape of the river has been lost and the inhabitants of insects living there are destroyed.
Further, a revetment constructed using a small firefly block a having a hollow center as shown in FIG. 12 has been devised. In the revetment constructed using this firefly block a, the foundation concrete g is set on the foundation material f, and after stacking several stages of firefly blocks a on the foundation concrete g, the inside of the firefly block a (hollow part) The whole is filled with soil b.
[0003]
[Problems to be solved by the invention]
In the revetment e constructed with the conventional firefly block a, when the water level of the river rises from the normal water level c and reaches the high water level d, the suction phenomenon due to the water flow occurs, and the soil b filled in the block a is As shown by h, it flows out to the outside and the inside becomes hollow. As a result, the firefly can no longer live and the revetment function is lost.
By the way, inhabiting fireflies, the flow of waterways is gentle, the flow of clean water in the waterways, the presence of cobblestones, gravel at the bottom of the waterways, and the presence of shade, etc. The conditions are almost the same as the conditions.
The problem to be solved by the invention is to provide a firefly-growing channel block that forms an environmental state suitable for the growth of fireflies and aquatic animals and plants, and a firefly-growing channel structure using the firefly-growing channel block.
[0004]
[Means for Solving the Problems]
As a means for solving the above technical problem, a firefly breeding water channel structure using the firefly breeding water channel block according to the invention of claim 1 is:
After placing a firefly-growing channel block with side walls on both ends of the bottom plate with a through hole in the center and a substantially U-shaped cross section with a dam plate guide groove on the inner surface, and placing a pile in the through hole In the firefly breeding water channel structure where the partition plate is arranged and the water channel is divided,
Between the irrigation channel arranged in the upstream part and the drainage channel arranged in the downstream part, the firefly-growing channel block is arranged almost in series with a predetermined gradient, and a pile is driven at the height of the side wall in the through hole of the firefly-growing channel block after, along the pile, with disposing the partition plate provided with a gap, and the boundary of the partition plate, and the border portion filled with soil, firefly growing waterway composed of a water channel unit arranged to train members A weir plate for adjusting the amount of water in the firefly growing channel is arranged in the weir plate guide groove of the firefly growing channel block from the upstream portion to the downstream portion, and a part of the firefly growing channel block in the downstream portion from the upstream portion is arranged. It is characterized by filling the through hole with a filler and forming a stagnation part without a partition plate.
The invention of claim 2 is a firefly growth channel structure using the firefly growth channel block according to claim 1,
It is characterized in that a part of the shore part and the water channel part of the water channel block for firefly growing from the upstream part to the downstream part are arranged in reverse .
The invention of claim 3 is a firefly growing water channel structure using the firefly growing water channel block according to claim 1,
The partition plate is formed of a wooden plate.
[0005]
Next, in the firefly growing waterway structure using the firefly growing waterway block,
A irrigation channel is installed in the upstream portion and a drainage channel is installed in the downstream portion. The firefly growing waterway block of the above-mentioned invention is arranged approximately in series with a predetermined gradient between the irrigation channel and the drainage channel. After placing the pile in the through hole at the side wall height and fixing it, place a partition plate with a gap along the pile and at the other side with the partition plate as the border A firefly growth waterway composed of a waterway part in which a growth member is arranged is formed, and a weir plate for adjusting the water amount of the firefly growth waterway is arranged in the weir plate guide groove of the firefly growth waterway block from the upstream part to the downstream part It is said.
[0006]
The partition plate of the firefly growing waterway structure using the firefly growing waterway block may be a wooden plate or a plate made of concrete or synthetic resin.
Also, the water flow in the firefly breeding channel is changed by arranging a part of the waterside and the waterway part of the firefly breeding channel block upstream from the downstream of the firefly breeding channel structure using the firefly breeding channel block. You may give it.
Furthermore, a filling material is filled in the through holes of some of the firefly growing waterway blocks from the upstream part to the downstream part of the firefly growing waterway structure using the firefly growing waterway block, and a stagnation part is formed without installing a partition plate. Changes may be made to the flow of water in the breeding channel.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
4 to 6, the firefly growing water channel block 3 is formed in a substantially U-shaped cross-section in which side walls 32 and 33 are provided at both ends of the bottom plate 37, the through hole 31 is provided in the substantially center of the bottom plate 37, and the direction of the water channel T A dam plate guide groove 34 for adjusting the amount of water is provided at the inner surface end portion. The firefly growing waterway block 3 is made of concrete, and the waterway depth is about 30 to 50 cm from the maintenance side of the firefly growing waterway, and the width of the waterway T is about 2 to 3 times the waterway depth. Is good. The firefly growing water channel block 3 may be made of another material such as synthetic resin or ceramic.
In addition, joint grooves 35 and 36 are provided at both ends of the firefly growing water channel block 3 in the direction of the water channel T so as to fill a joint material that prevents leakage of the connecting portion when the firefly growing water channel block 3 is connected.
Further, as shown in FIG. 5, the firefly growing water channel block 3 is formed such that the height of the other side wall is slightly lower than the one side wall, and embankment is performed so that the waterside portion M side is hidden by the soil 54, thereby providing a more natural environmental condition. It may also be formed.
Further, as shown in FIG. 11, the firefly growing water channel block 3 may be formed so that both side walls have substantially the same height.
[0008]
Next, a firefly growing water channel structure using the firefly growing water channel block 3 will be described with reference to FIGS. 1 to 3 and FIGS. 7 to 10.
As shown in FIGS. 1 and 2, a water channel 1 for supplying water to the firefly growing water channel A is installed in the upstream portion of the firefly growing water channel A, and a drainage channel 2 is installed in the downstream portion. The irrigation channel 1 and the drainage channel 2 may use a river.
Between the irrigation channel 1 and the drainage channel 2, the above-described firefly growing channel block 3 is arranged in series with a predetermined gradient and connected.
Further, as shown in FIGS. 7 and 8, the pile 5 is driven and fixed at the height of the side walls 32 and 33 in the through hole 31 of the firefly growing water channel block 3, and then a gap L is provided along the pile 5. The partition plate 51 is disposed and the waterside portion M in which the soil 54 is placed and the water passage portion S in which the growth member 53 is disposed on the other side with the partition plate 51 as a boundary are formed in the firefly growing water channel A. Yes.
Furthermore, a dam plate 4 for adjusting the amount of water in the fountain channel is arranged in the dam plate guide groove 34 of the fountain growing channel block 3 from the upstream portion to the downstream portion so that the water level in the firefly growing channel A and the flow rate of water flow gently. Easy to manage.
In the firefly growing water channel A, the firefly growing water channel blocks 3 are arranged linearly or curvedly, or arranged in other arrangement modes.
The pile 5 may be made of concrete or wooden, but a wooden pile may be used for fireflies and waterborne animal larvae. Further, after hitting the pile 5, a filler such as mortar is filled in the gap to prevent water leakage.
The partition plate 51 is used for earth retaining, a wooden plate of a predetermined thickness or a plate made of concrete or synthetic resin is used, and the gap L is large enough to keep the soil 54 on the waterside M side always wet. It is formed in the gap. The soil 54 should be well drained.
Further, as shown in FIGS. 9 and 10, a part of the shore part M and the water channel part S of the firefly growing water channel block 3 from the upstream part to the downstream part are arranged in reverse to change the flow of water in the firefly growing water channel. You may give it.
Further, as shown in FIG. 9 and FIG. 10, the stagnation part Y is formed without installing the partition plate 51 in a part of the firefly growing water channel block 3 of the firefly growing water channel A from the upstream portion to the downstream portion. You may change the flow.
In the stagnation part Y, a filling material such as mortar is filled in the through hole 31 of the firefly growing water channel block 3 so that water does not leak.
In the water channel section S of the firefly breeding water channel A, the limestone 52 may be arranged in addition to the cobblestone and gravel growing member 53 so that the algae grow well. The firefly breeding water channel A adjusts the height of the weir plate 4. As a result, the amount of water flowing into the water channel A is adjusted in the most upstream area, and a predetermined water level suitable for the growth of fireflies is ensured over the entire area of the firefly growing water channel A.
Also, as shown in FIG. 2 and FIG. 3, a drop H is provided in the water flowing through the firefly breeding channel A by the dam plate 4 to supply oxygen 61 in the air to the water to promote the generation of algae, and firefly larvae It promotes the growth of Kawanina, which is a food for the larvae, and forms an environment where firefly larvae are easy to grow.
In addition, the height and interval of the weir plate 4 in the firefly growing water channel A are set by the gradient of the firefly growing water channel A.
[0009]
【The invention's effect】
According to the present invention configured as described above, the following effects can be obtained.
(1) By using the firefly-growing waterway block of the present invention, it is possible to easily produce a waterway portion and a waterside portion in a favorable environmental state for laying moss of fireflies, fireflies and the like, and for growing aquatic animals and plants.
(2) By dividing the waterway into a waterway part and a waterside part, a waterway part suitable for the growth of fireflies and a waterside part that is always wet can be formed. In addition, habitats such as aquatic organisms other than fireflies, such as dragonfly larvae, can be provided.
(3) By changing the position of the partition plate or not providing a part of the partition plate, it is possible to change the water channel or form a stagnation part of the water flow.
(4) Since the structure is relatively simple, it is possible to easily perform maintenance and management after construction and rework to create an optimal firefly and other living organisms.
(5) By adjusting the weir plate, the amount of water flowing into the water channel can be adjusted at the most upstream part, and a predetermined water level suitable for the growth of fireflies can be secured over the entire water channel.
Moreover, a drop occurs in the water flowing through the water channel by the barrier plate, and oxygen in the air is supplied into the water. Accordingly, the generation of algae can be promoted, the growth of Kawanina as a food for firefly larvae can be promoted, and an environment in which the firefly larvae can easily grow can be formed.
(6) By using a wooden partition plate made of a natural material, it is possible for the larvae to ascend the partition plate in the process of the adult larvae reaching the waterfront. In addition, since water flowing through the water channel portion penetrates into the soil on the shore side through the gap between the partition plates and can always be kept moist, larvae tend to infiltrate into the soil. Furthermore, the soil is not hardened, drained well, and the weeds can be easily grown without drying the soil.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a firefly growing waterway structure of the present invention.
FIG. 2 is an implementation state diagram of an upstream firefly growing water channel block.
FIG. 3 is an implementation state diagram of a firefly growing waterway block at an intermediate position.
FIG. 4 is a plan view of a firefly growing waterway block.
FIG. 5 is a side view of a firefly growing waterway block.
FIG. 6 is a front view of a firefly growing waterway block.
FIG. 7 is a perspective view of a construction state.
FIG. 8 is an explanatory diagram of a construction state.
FIG. 9 is an embodiment diagram of a firefly growing water channel having a stagnation part formed thereon.
FIG. 10 is a diagram showing another embodiment of the firefly growing water channel in which a stagnation portion is formed.
FIG. 11 is a side view of another embodiment of the firefly growing waterway block.
FIG. 12 is an explanatory diagram of a construction example of a conventional firefighting bank block.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Waterway 2 Drainage channel 3 Firefly growth waterway block 31 Through-hole 32 One side wall 33 The other side wall 34 Guide groove 35, 36 Joint groove 37 for dam plates Bottom plate 4 Dam plate 5 Pile 51 Partition plate 52 Limestone 53 Growth member 54 Earth 6 Water S Waterway part M Waterfront part T Firefly waterway A Firefly breeding waterway

Claims (3)

After installing a firefly growing waterway block with a substantially U-shaped cross section with side walls on both ends of the bottom plate with a through hole in the center and a dam plate guide groove on the inner surface, and placing a pile in the through hole In the firefly breeding waterway structure that divides the waterway by placing a partition plate,
Between the irrigation channel arranged in the upstream part and the drainage channel arranged in the downstream part, the firefly growing waterway block is arranged almost in series with a predetermined gradient, and a pile is driven at the height of the side wall in the through hole of the firefly growing waterway block after, along the pile, with disposing the partition plate provided with a gap, and the boundary of the partition plate, and the border portion filled with soil, firefly growing waterway composed of a water channel unit arranged to train members A weir plate for adjusting the amount of water in the firefly growing water channel is arranged in the weir plate guide groove of the firefly growing water channel block from the upstream portion to the downstream portion, and a part of the firefly growing water channel block in the downstream portion from the upstream portion is arranged. A firefly breeding water channel structure using a firefly breeding water channel block, wherein a through hole is filled with a filler to form a stagnation part without a partition plate. 2. The firefly growing water channel structure using the firefly growing water channel block according to claim 1, wherein a part of the waterfront portion and the water channel portion of the firefly growing water channel block from the upstream portion to the downstream portion are disposed in reverse. The firefly growing water channel structure using the firefly growing water channel block according to claim 1, wherein the partition plate is formed of a wooden plate.

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