JP2010081925A - Hanging type bamboo fishing bank - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To recover abundant Satoumi (coast area and adjacent land area) so as to recover fishery, because tidelands and shallows are lost from the Satoumi by reclamations and bank protection works, fish resources are exhausted by pollution and indiscriminate fishing and expensive fuel is much used so the fishery is fallen in unprofitableness. <P>SOLUTION: In Satoumi, the hanging type bamboo fishing bank provided by fixing much waste bamboo right under the sea surface forms shallow sea conditions with small spaces and bamboo bundles of natural materials, microorganisms are proliferated on the solid surfaces, seaweed luxuriates to raise fry and young fishes, and food chain is completed so as to recover the fish resource. In Satoyama (border zone or area between moutain foothills and arable flat land), forests overwhelmed with active fecundity of the bamboo are revived by efficiently utilizing waste bamboo as the fishing banks, fishery fallen in unprofitableness due to indiscriminate fishing and fuel cost soaring is revived and nature of Satoyama and Satoumi broken by dams of rivers is revived. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention cuts down a ruined bamboo forest and bamboo material that has advanced into the forest with vigorous fertility, creates a suspended bamboo fishing reef for the purpose of effectively using the waste bamboo material, and in the inner bay and coastal sea areas, seaweed and microorganisms To complete the food chain and to restore fishery resources.

  Conventional fishing reefs are made of concrete, plastic, thinned wood, bamboo, iron, or a combination of these, but many are based on ideas based on onshore structures, and fishing reefs intended for seaweed and fish farming or fish collection There are artificial artifacts such as adding seaweed spores and seeds.

    There are fishing reefs that use thinned wood or building waste materials and other plant materials stored in nets in a rod-shaped frame, or underwater vegetation facilities that grow aquatic plants on growth base materials and float them in water.

JP 2008-48687A JP 2007-135429 A

Even though there are various problems such as global changes due to an increase in carbon dioxide, overfishing due to evolution of fishing methods such as fish detectors, wasteful use of resources due to cultivation of specific fish species and environmental destruction, The impact of the decline of broad-leaved forests in the inland and the devastation of plantation forests is significant, and in addition, they are contaminated by landfills, industrial wastewater, and domestic wastewater, and have been devastated.
The problem to be solved by the present invention is, in short terms, the recovery of fishery resources in satoumi and lakes, but in the background there are orchards, fields and forests destroyed by the advancement of Mosouchiku, Hachiku, Madake, etc. Only when there is a healthy forest and a healthy satoyama in the restoration, will it lead to the permanent resurgence of fishery resources, and there is a massive problem of quantitative disposal of waste bamboo material that arises as a parallel issue.
Therefore, it is an object to effectively use a large amount of waste bamboo material with low processing, low cost and economic effects.

Due to the revetment work, many shallow bays and tidal flats with a purification function have been lost in many inner bays and coastal waters.
In Satoumi where natural shallow water has been lost, a large amount of organic matter is provided directly below the surface of the sea to create a shallow sea state, and a variety of microbes with a large number of small spaces and large surface areas can be grown and solidified for implantation. The challenge is to promote the implantation of seaweed by the sun and enough sun rays to activate photosynthesis, increase the number of phytoplankton, provide a rich starting point for the food chain, and restore the permanent fishery resources.
The same phenomenon is also seen in freshwater lakes and brackish lakes, and is an issue with a view to improving the environment of lakes.

To eradicate the bamboo forest, permanent measures are required for many years.
Suspended bamboo reefs that use waste bamboo are destroyed in a year to several years as a result of the diet of aquatic organisms such as beetles and bark beetles, and it is necessary to replace the bamboo, but this destruction continues to thrive This is a mass consumption application to eradicate bamboo forests.
Forest resources are revived by continuing to provide a large amount of waste bamboo material to the ocean, and the rebirth of forests that can eliminate the scallops in the satoumi and lead to the regeneration of the oceans is an important parallel issue of the present invention.

The waste bamboo material produced by the logging of bamboo forests, which are growing at a tremendous rate, is too large in both area and volume to be reused on land, and there is no way other than incineration.
Fortunately, however, Japan is surrounded by the ocean, leaving a vast space in the coastal waters to use a large amount of waste bamboo.
Bamboo damage countermeasures need permanent measures for many years, and suspended bamboo reefs that need to be replaced every one to several years can be regenerated in a simple way without generating waste in accordance with the nature of the business. This is important, and the present invention provides a large-scale solution with effectiveness.

  The present invention is a bamboo reef, which has a frame suspended in water by buoyancy imparting means on the water surface, and a bamboo bundle is set in the frame in any direction from the vertical direction to the horizontal direction. There is provided a suspended bamboo reef characterized in that a set of bamboo and a bundle of bamboo can be repeated by a fixture, and the bundle of bamboo is suspended at a predetermined position.

  Bamboo material bundle used in the present invention is made of bamboo material obtained by cutting a part or all of a branch, cut to an arbitrary length, and a bamboo material bundle obtained by bundling a split bamboo obtained by dividing the main trunk of the bamboo material in the vertical direction. A suspended bamboo fishing reef characterized by

  The buoyancy imparting means on the water surface used in the present invention has a buoyancy of approximately 101% to 200% with respect to the underwater gravity of the suspended bamboo fishing reef, and provides a function to stabilize the suspended bamboo fishing reef in the water To do.

  The frame suspended in water used in the present invention is a regular or irregular frame made of mesh, lattice, fence, or metal wire, both of which are regular or irregular shaped meshes. A suspended bamboo fishing reef, characterized by having

  In the suspended bamboo reef of the present invention, there is provided a suspended bamboo reef characterized in that a predetermined number of connected reef units are formed and moored in units.

  In the suspended bamboo reef of the present invention, the bamboo bundle consists of a single piece of bamboo, a mixture of bamboo and thinned wood, a mixture of bamboo and building waste wood, a mixture of bamboo and iron, or a mixture of bamboo and shells. To provide a suspended bamboo fishing reef.

A fisherman whose inner bay and coastal waters, defined as satoumi, have been devastated and have advanced into the open ocean, but they have exhausted a limited number of resources by modern fishing methods such as fish detectors, and have been forced to break down due to a surge in fuel. For them, it is very significant that permanent fishery resources grow in Satoumi.
In the satoumi where the tidal flats and shallows have been lost, near the shallow water surface where the sun rays shine down, the suspended bamboo fishing reefs provide individuals with organic matter, and iron ions that are deficient in nutrients from the wire used for binding A large number of microorganisms gather inside the bamboo material that has been divided and exposed, seaweeds are implanted, a huge space is created three-dimensionally to ensure the safety of fry and larvae, and aquatic organisms that feed on bamboo material Is provided as a food for fish, the food chain is completed and many fish are set off, permanent fishery resources are restored to Satoumi without consuming expensive food costs, fuel is saved, and the fishing village is lively. Revives.
The same applies to lakes.

  Suspended bamboo reefs with bamboo bundles set in a frame must be replaced or regenerated every few years as a result of being decomposed by microorganisms or as a result of diet of aquatic organisms such as beetle The frame and the bamboo bundle can be easily attached and detached, and the reef is regenerated by exchanging only the bamboo bundle on the sea surface where the reef is installed. It is a cheap and cheap exchange / regeneration means.

The combination of the water surface and the seabed that gradually increases the depth limits the sea area where the reef is installed, but the suspended bamboo reef is a place where the entire satoumi can be installed regardless of the water depth. A large-scale fishing reef group can be provided at low cost.
The scenes seen by the inventor, who enjoys scuba diving, on a flat sandy seabed and undulating reefs are similar to the differences between land deserts and rainforests, with several dozen biological layers There was a double opening, and I felt great significance in installing individuals made of organic matter in the sea.
Even the small flow algae of Honda Walla that crawls the open ocean is an effect that can be easily inferred from the fact that it feeds only that fry and provides a safe place to eat.

  It is advantageous to unite suspended bamboo fishing reefs to form a unit and moor them with fishing reef units that take into account tidal currents.

The present invention was born in view of the devastation of bamboo forests with vigorous fertility, the depletion of fishery resources due to the destruction of satoumi, and the decline of fisheries due to fuel surging.
The revival of fishery resources is to promote the propagation of seaweed by expanding shallow sea conditions in eutrophic coastal waters, which is to complete the food chain.
Cutting back oligotrophic bamboo forests and restoring rich forests is a way to permanently restore fishery resources. Continuous and large-scale logging and reuse of bamboo forests rooted in the natural cycle is caused by river dams. Provide a solution to regain the activity of satoyama and satoumi.

Bamboo material bundles are made of bamboo material with some or all of the branches cut, and the split bamboos divided in the vertical direction are bundled, tied with wire to form a bamboo material bundle, and placed on a transport ship.
As for the frame, a frame obtained by welding reinforcing bars in a fence shape and a frame combined with concrete and reinforcing bars are placed on a transport ship.
Floating piers place assembly parts such as PVC pipes filled with foamed resin, connecting parts and adhesives, floats, tow ropes and wires on a transport ship.
In the sea area where the fishing reef is set up, the work facility ship will be the center, and the above transport ships will gather around, assemble on the ship, suspend in the sea, and install as a bamboo reef.

A bamboo bundle shown in FIG. 2 was produced.
Bamboo is made of moso bamboo, and the length is determined according to the conditions of the tidal current etc. of the installation water area, but it is cut into a range of 2m to 4.5m in consideration of the length of bamboo, which is a natural object. Among them, the root part was divided into four parts in the vertical direction, and the nodes that protruded greatly inside were scraped off, and the tip part was divided into two parts.
Mosouchi immediately after cutting and dividing into four parts had a bulk specific gravity of 1.3 because the bamboo cells were filled with water.
Bamboo materials are difficult to quantify because of large individual differences and differences between the root and the tip, but about 12 to 25 pieces were bound to form a bamboo material bundle.
Bundling was performed using an iron No. 8 wire, and was bound at intervals of 20 cm to 40 cm from the portion excluding 60 cm from the base, and a bamboo material bundle with an appropriate gap was completed by bamboo material nodes.
The reason for binding except the base side is that the bamboo tip is thin and easy to insert into the frame, but the base is thick and easy to insert into the grid of the frame Therefore, the bundle from the base from the position fixed to the frame was bundled after insertion into the frame.

The frame shown in FIG. 3 was manufactured using reinforcing bars.
Two reinforcing bars with a diameter of 25 mm, two with a length of 1500 mm and two with a diameter of 2000 mm, are prepared in a rectangular shape with a short side of 1550 mm (hereinafter referred to as B and B ′) and a long side of 2000 mm (hereinafter referred to as A and A ′). Weld to form the outside of the frame.
Prepare seven rebars with 16 mm diameter rebars cut to 1500 mm, and weld the seven ends to the inside of A and A ′ with a width of 230 mm, and eight 230 mm × 1500 mm elongated grids A frame with a mark appears.
One 16mm diameter rebar cut to 2000mm is welded to the center of B and B ', and the 16mm rebars intersecting at right angles at the center of the long and narrow space are welded to each other, and 230mm x 742mm grid lattice (X) 16 appeared.
A steel bar with a diameter of 16 mm was cut into 10 mm, welded to the four corners of the outer frame at an angle of 45 degrees, and a corner for hanging with a tow rope was created to complete a 48 kg steel frame.

A situation in which the bamboo bundle shown in FIG. 1 is set on an iron frame and fixed by a fixture will be described with reference to FIG.
Two iron frames (hereinafter referred to as “N” and “M”) were placed at a distance of 3 m, placed in parallel with B on the bottom and A and A ′ vertical, and fixed with a rope.
Insert the leading end of the bamboo bundle of 0022 into the bottom of the grid-like grid from the center of the A side of N, flatten the base side from the outside of the bottom of the A side of M, and protrude the base part 50 cm outside of the M And push it flatly toward the center of the A side, fix it to M with an iron 18 wire, tie the base that protrudes beyond M with the wire, and the tip that protrudes 1 meter from N is In that state, it was fixed to N.
The second bamboo bundle is installed from the center of the second stage on the A ′ side, the tip is inserted into N, the root is inserted into M, and fixed in the same manner as described above.
The third is from the center of the third stage on the A side, the fourth is in order from the center of the fourth stage on the A 'side, and then rises alternately with the central reinforcing bar in between, and the eighth stage on the A' side So the first row was completed.
The second row starts in the opposite direction to the first row, that is, starts from the first row on the A 'side, ends on the second row on the A side, ends on the third row on the A' side, and ends on the eighth row on the A side. Tie in the same direction as the first.
The outermost fourth row can be inserted into the frame with sufficient margin on the N side of the tip, but the base on the M side may be difficult to insert, and the part that does not fit in the frame is outside the frame The bamboo reef land process shown in Fig. 1 was completed.

The frame shown in FIG. 5 was manufactured using concrete and steel bars.
The outer dimension on the short side (hereinafter referred to as D and D ′) is 1400 mm, the inner dimension is 1160 mm × the outer dimension on the long side (hereinafter referred to as C and C ′) is 1900 mm, the inner dimension is 1660 mm, and therefore the width is 120 mm. In order to produce a concrete frame with a thickness of 180 mm, a formwork was produced that surrounded the three sides of the side wall and the bottom using a control panel.
At the height (180mm) center part (90mm point) of the long-side mold, a hole penetrating from the inside to the outside is opened, the distance between the holes is 237mm, 6 holes are opened on one side, and the bolt is penetrated. . Bolts are passed through the same procedure on the long side facing.
A hole penetrating from the outside toward the inside is formed in the center portion in the horizontal direction at the center portion (90 mm point) in the height direction (180 mm) of the short side mold, and the bolt is penetrated. Bolts are passed through the same procedure on the short side facing.
Cut 14 PVC pipes VP20 with a length of 120mm, pull out the bolts of the mold once, pass through the PVC pipe in the mold to the opposite side, tighten both sides with nuts, 14 PVC pipes C C ', D, and D' fixed in D 'were completed, and concrete was molded.
Cut six rebars with a diameter of 16 mm into 1500 mm, and bend 50 mm from the end of one side to 90 degrees, pierce from the C VP hole to the C 'VP hole, and The end is bent at 90 degrees and fixed easily.
A 16 mm diameter rebar is cut into a length of 2000 mm, a 50 mm portion from one end is bent at 90 degrees, and the center VP hole of the three D's is pierced from the center VP hole of D ′ to D ′. Bend the end of the reinforcing bar that came out to 90 degrees and simply fix it.
The rebar connecting CC 'and DD' seems to collide because they are in the same position, but the hole of the PVC pipe is 20mm larger than the rebar, and there is enough length between CC ', and the rebar is free Since it bends, it was possible to cross and combine them alternately.
The six bars where the reinforcing bars on C and C 'and D and D' intersect at right angles are tied and fixed with an iron No. 8 wire, and 14 grid-like grids (Y) of 223mm x 570mm appear, A 200 kg frame was completed.

As shown in FIG. 6, two bamboo frames composed of a concrete outer frame and a reinforcing bar are used, and a bamboo material bundle is installed in the horizontal direction.
Two frames (H, K) were placed at a distance of 3 m, placed in parallel with D of the frame below, C and C ′ vertical, and fixed with a rope.
Insert the bamboo bundle in the same way as 0024, and insert the tip side into the lowest step of the grid-like mesh from the center of the C side of the H, and the base part protrudes 50 cm outside of the K side of the C side. Fixing from the center of K, the root part protruding outside was tied, the tip part protruding from H was fixed to H, and the same process as 0024 was repeated to complete the first row.
The second row is the same process as 0024 except that the direction of the bamboo bundle is opposite to that of the first row, and the root and tip of the bamboo bundle are alternated (50 cm on the root side, tip The frame body in which the bamboo bundles at both ends were set in an uneven shape was completed.

As shown in FIG. 7, it is a suspension-type bamboo fishing reef using one frame synthesized with a concrete outer frame and a reinforcing bar.
One frame (40) made of concrete and reinforcing bars was vertically raised and fixed with a rope.
A bamboo bundle cut to a length of 2.5 m is inserted and fixed from the center of the bottom of the grid-like grid of the frame, and the second is from the center of the second grid-like grid on the opposite side. The bamboo bundle was inserted and fixed from the opposite direction.
Use the same method as steps 1 and 2 to move up from step 3 and complete the first row. The second row starts in the opposite direction to the first row, and the bamboo bundle is inserted in the opposite direction. The fourth row was completed with the outermost side forming the outermost side.
Both ends of the short side of the finished frame were tied with a tow rope and suspended, but the bamboo bundles were tied at almost the center of the center of gravity, but each center of gravity was slightly different, and the bamboo bundles were oriented freely A bamboo reef was completed.

As shown in FIG. 9, a floating pier unit in which a PVC pipe and a float are integrated will be described.
The PVC pipe VP100 is cut into 2400 mm × 2, 2000 mm × 25, 1580 mm × 4, and 400 mm × 6, and a polyurethane resin is foamed and filled inside the pipe. Using 22 cheeses and 4 elbows of the same diameter, a floating pier unit connecting 2 squares and 2 × 6 = 12 squares is completed, and 20 10 kg floats are connected to each corner.
Frame with bamboo material described in 0024 (Fig. 1) One underwater gravity is 52 kg, and if 12 are suspended in the unit, the total underwater gravity is 624 kg, and the floating pier unit has a buoyancy of 502 kg, which is insufficient By adding 78kg buoyancy to 122kg and connecting 10kg float to all 20 corners, a floating pier with 112.5% buoyancy is completed.

Unlike the prototype on land, the floating pier described in 0028 is subject to the problem of fishing rights in the coastal sea area from the viewpoint of maintaining the confidentiality of the unfiled invention, and the floating pier unit is repeatedly tested in the actual sea area. Was impossible for micro-enterprises. Therefore, using a PVC pipe VP16, a 1/10 size miniature sample was produced and tested.
As shown in Fig. 10, PVC pipe VP16 is 20cm x 30 pieces, 24cm x 2 pieces, 4cm x 5 pieces, same diameter cheese x 22 pieces, elbow x 4 pieces, outer size 51.5cm, inner size A frame of 47 cm x outer dimensions 112.6 cm and inner dimensions 110 cm was completed.
Inside the frame, there are two 22.5 cm × 22.5 cm square spaces, 10 22.5 cm × 31.5 cm rectangular spaces, and a total of 12 spaces connected in 6 × 2 rows. The body appears, the total length of the pipe is (47 cm x 7) + (110 cm x 3) = 6590 cm, the space inside the pipe is 0.8 cm x 0.8 cm x 3.14 x 6590 cm = 1324cc It was. (This calculated value includes an error of about + -5%.)
Therefore, in each space part, 12 individuals with 100g weight were hung from the four corners of the float space and submerged in water. The result has the same buoyancy as the calculated value, and the practicality of the floating pier shown in 0028 can be verified. It was.

As shown in FIG. 1, as a method of installing a bamboo bundle in the vertical direction, it passes through N from the four corners of the frame M described in 0024 and is tied to the floating pier unit with a tow rope, and is in the vertical direction. Install so that the upper part of the bamboo bundle is 1.5m deep below the water surface.
Bamboo timber bundles become thinner toward the upper part, and the appropriate space is created because the first row, second row, and third row are set alternately. From the experimental results of 0024 and 0029, there is sufficient space between each reef. As a result, the installation situation of the suspended bamboo fishing reef shown in FIG. 1 could be easily estimated.

As shown in FIG. 8, a suspended bamboo fishing reef with a bamboo bundle set in a frame is suspended from a floating pier unit in which a PVC pipe and a float are integrated, and at the same time is moored with an object fixed to the seabed. It is necessary to restrict movement.
In the prototype, 12 units of 6 × 2 rows of reefs are considered as one unit, but larger units can be formed in consideration of tidal currents, waves, topography, fish habits, and the like.

  The bamboo bundle of the present invention can be manufactured by mixing natural organic matter such as thinned wood or waste wood from construction, or materials to which materials such as iron and shells are attached. Therefore, these are combined into a suspended bamboo fishing reef.

Image of hanging bamboo reef with bamboo bundles set in the frame in the vertical direction Image of bamboo bundle Plan view of a frame made of steel bars Explanatory drawing of the order and fixtures to fix the bamboo bundle to the reinforcing steel frame Perspective view of a frame consisting of concrete frames and reinforcing bars Side view of the bamboo bundles fixed to the two frames shown in Fig. 5 and the bamboo bundles installed horizontally. Side view of bamboo material bundle fixed in the frame of Fig.5 and bamboo material bundle installed in any direction Image of multiple suspended bamboo reefs moored in units Plan image of a floating pier unit that integrates a PVC pipe and a float Top view of the miniature floating pier in Figure 9 made with PVC pipe

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Bamboo material bundle 11 Iron wire 12 Attachment tool 20 Floating pier unit 21 Float 22 PVC pipe 23 Tow rope 24 Cheese 25 Elbow 30 Reinforcement frame 31 Reinforcing bar 25mm
32 Rebar 16mm
33 Long side of rebar frame (A, A ')
34 Short side of rebar frame (B, B ')
35 Upper side (N) of the rebar frame in FIG.
36 The lower side of the reinforcing bar frame in Fig. 1 (M)
37 Lattice grids (X) of rebar frame
40 Concrete and steel frame 41 Concrete frame 42 Long side of concrete and steel frame (C, C ')
43 Short side of concrete and steel frame (D, D ')
44 Left side (H) of the concrete and rebar frame in Fig. 6
45 The right side of the concrete and rebar frame in Figure 6 (K)
46 Grids of concrete and steel frame (Y)
50 Seabed (Lake bottom)
51 anchor 60 sea surface (or lake surface)

Claims (6)

  A bamboo reef having a frame suspended in water by buoyancy imparting means on the water surface, and a bamboo bundle is set in the frame in any direction from the vertical direction to the horizontal direction, and the frame and the bamboo bundle A suspended bamboo fishing reef, characterized in that the set can be repeated with a fixture and the bamboo bundle is suspended in place.   The above-mentioned bamboo material bundle is characterized by using bamboo material obtained by cutting a part or all of the branches, cutting it to an arbitrary length, and bundling the split bamboo obtained by dividing the main part of the bamboo material in the vertical direction to form a bamboo material bundle. The suspended bamboo reef according to claim 1.   3. The suspended bamboo material according to claim 1, wherein the buoyancy imparting means on the water surface has a buoyancy of approximately 101% to 200% with respect to underwater gravity of the suspended bamboo fishing reef. Fishing reef.   The frame suspended in the water is a regular or irregular frame made of mesh, lattice, fence, or metal wire, both of which have a regular or irregular shape. The suspended bamboo reef according to any one of claims 1 to 3, wherein   In the above-mentioned suspended bamboo fishing reef, a fishing reef unit in which a predetermined number is connected is formed and moored in units, and the bamboo material bundle according to any one of claims 1 to 4 is set in a frame Suspended bamboo fishing reef. In the above-described suspended bamboo reef, the bamboo bundle consists of bamboo alone, a mixture of bamboo and thinned wood, a mixture of bamboo and construction waste wood, a mixture of bamboo and iron, or a mixture of bamboo and shells. The suspended bamboo reef according to any one of claims 1 to 5.

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