JP3903223B2 - Water channel with concrete block - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a concrete channel for a water channel and a water channel using a concrete block, and provides a preferred habitat or refuge for fish and other aquatic organisms in a water channel constituted by a precast concrete block produced in a factory, particularly in drought conditions. It is an object of the present invention to provide a concrete block for a water channel or a water channel capable of forming a water channel capable of maintaining appropriate living conditions for aquatic organisms.
[0002]
[Prior art]
In general, waterways such as rivers grow weeds and so on, and it takes a lot of labor to manage weeding and cleaning them. Recently, such rivers can be formed with precast concrete produced in factories. It is being widely practiced. In other words, by making the above-mentioned waterway made of concrete blocks, even in the active breeding season such as grasses in spring or summer, it is possible to accurately prevent crowding in the waterway and to reduce the labor required for waterway management. Since it can be in a zero state, it is being widely adopted in various fields.
[0003]
[Problems to be solved by the invention]
The concrete block water channel as described above is a concrete block that is mass-produced in the factory, and has the merit that it can form watersides such as weeds that do not grow at a relatively low cost, but the formed water channel has a certain form. Even if a water basin can be secured because it was collected and mass-produced, there is no room for anything other than this water basin. It cannot be obtained, and since it always moves under conditions where the entire surface is open, rest and evacuation of underwater creatures cannot be obtained.
[0004]
For this reason, in paddy fields where concrete block waterways such as those described above are adopted, the distribution or reproductive status of fish and other aquatic organisms in the waterway system is significantly different. It has been reported in various directions that it is hardly required in Japan.
[0005]
[Problems to be solved by the invention]
The present invention has been devised by repeatedly studying to solve the problems in the prior art as described above. In the water channel formed by the precast concrete block, a preferred dredger is formed, and fish and other aquatic organisms are formed. Appropriate habitats or evacuation sites for the aquatic environment and ensure the water habitat management benefits of precast concrete blocks, while ensuring the same or better habitat conditions for fish and other aquatic organisms than in conventional natural rivers The following is a successful one:
[0006]
(1) A lumen block is provided on the bottom surface of a concrete block body which is integrally molded or connected to have a U-shaped cross section, and an opening communicating with the lumen block is formed on the bottom surface of the concrete block body. A concrete block for a water channel, characterized in that the cross-sectional U-shaped portion of the block body has a larger cross-sectional area than the lumen of the lumen block.
[0007]
(2) A concrete block main body and a lumen block each having a U-shaped cross section are separately molded, and the opening of the lumen block is attached to the opening formed at the bottom of the concrete block main body. The concrete block for waterways as described in said (1) term.
[0008]
(3) The invention is characterized in that an opening is formed by crotch at the bottom of a plurality of connected concrete block main bodies, and the opening of the lumen block is attached to the opening. Concrete block for waterways as described in the item 2).
[0009]
(4) The concrete block for a water channel according to any one of (1) to (3) above, wherein a connection port for attaching a connecting duct to the lumen block is provided.
[0010]
(5) The concrete block for a water channel according to any one of the items (1) to (4) is set by being incorporated between U-shaped concrete blocks having no lumen block. Waterway with concrete blocks.
[0011]
(6) A cross-sectional U-shaped concrete not provided with a lumen block between concrete blocks for waterways provided with the lumen block according to any one of the above (1) to (4) is set and set. Moreover, a water channel using a concrete block is characterized in that the lumen blocks provided in the water channel concrete block are connected by a connecting duct.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
A specific embodiment of the present invention as described above will be described with reference to the accompanying drawings. In the present invention, as shown in FIG. 1 and FIG. A cavity block 2 or 3 is provided, and an opening 11 communicating with the lumen block 2 is formed on the bottom surface of the concrete block body 1. In the illustrated example, the lumen block 2 is a rectangular tube block, a lumen block 3. Is a cylindrical block, but any other form can be adopted as the lumen block.
[0013]
1 and 2 are as shown in FIGS. 3 and 4. The rectangular lumen block 2 has a bottom portion 12, and the cylindrical lumen block 3 has an opening portion 13 at the bottom portion, and its bottom opening portion. A laying material 4 made of natural stone or a filling material 5 such as a vegetation roll or a vegetation bag made of natural fibers such as palm is applied to the lower part or the inside of 13. The block main body 1 portion is formed as a water passing area, and the water in the lumen block 2 or 3 is stagnant to form a ridge. In general, those having the bottom 12 as shown in FIG. 3 can be used in a irrigation system for a field or the like to prevent leakage and secure a water supply amount. Further, as shown in FIG. 4, the one having no bottom is adopted as a drainage system from a field or the like.
[0014]
5 and 6 show further blocks according to the present invention. That is, the configuration of the block main body 1 is the same as that shown in FIGS. 1 to 4, but the lumen block 2 in FIG. 5 has at least the same dimensions as the block main body 1 in the outer shape. In the structure, the lumen block 2 is formed at the end of the block body 1, that is, the lumen block 2 is formed by crotch between two continuous concrete blocks.
[0015]
7 and 8 show another concrete block according to the present invention in which a connecting port 6 is formed on the side surface of the lumen block 2 as described above. 8 is opened in the direction along the water flow direction of the block main body 1.
[0016]
That is, the construction state of such a connection port 6 is as shown in FIG. 9 and FIG. 10 separately, and in FIG. 7, the end portion is closed to the side in the water channel direction connected by the block body 1. A duct 7 filled with 15 is provided to form a retreating part that protrudes further laterally from the lumen block 2 or 3, and acts as a water storage part during rest or drought periods of fish and the like. As shown in FIG. 8, the connection port 6 along the water passage direction has a block main body 1 having the lumen block 2 along the water passage direction as shown in FIG. In a water channel in which a plurality of water blocks 8 are continuously provided, a long duct 17 is attached to a plurality of block main bodies 1 and a general water flow block 8, and a connecting water channel is connected to the plurality of blocks 1 and 8. It forms at the bottom of the block row to form a safe area for aquatic organisms, and at the time of drought it forms a stable aquatic habitat for aquatic organisms like a kind of pond at the bottom of the waterway.
[0017]
The above-described FIGS. 1 to 10 show the block body 1 and the lumen block 2 or 3 which are integrally formed. FIGS. 11 to 13 and FIGS. The configuration of the present invention when the cavity block 2 is molded separately is shown. That is, in FIG. 11, the rectangular opening 11 is formed on the bottom surface of the block main body 1, and a bowl-shaped lumen block 18 as shown in FIGS. 14 and 16 is separately attached to FIG. 1 or 3. A block body with a lumen block of the present invention similar to that shown can be formed. Similarly, in FIG. 12, a circular opening 10 is formed on the bottom surface of the block body 1, and a cylindrical lumen block 19 as shown in FIG. 15 and FIG. FIG. 18 shows a block body with a lumen block of the present invention similar to that shown in FIGS. 2 and 4, in which FIG. 18 uses a lumen block 18 wider than the square opening 11, and a circular opening as shown in FIG. 19. The lumen block 19 can be attached and formed in accordance with 10.
[0018]
In FIG. 13, a partial opening 14 is formed at the end of the bottom surface of the block main body 1. The block main bodies 1, 1 are connected to each other as shown on the right side of FIG. The large water stagnation part can be formed on the bottom surface of the block main body 1 or 8 groups by attaching the large lumen block 20 to the large integrated opening.
[0019]
20 and 21 show typical members for mounting the block body 1 and the lumen block 18 or 19 separately formed as described above. That is, in FIG. 20, the connecting piece 9 and the condensing material 10 such as mortar are used, and in FIG. 21, the connecting bolt 16 is screwed into the engaging metal fitting 26 and locked. However, it can be easily connected at the construction site, and in some cases, the object can be sufficiently achieved simply by placing the block body on the lumen block.
[0020]
22 and 23 show the connection structure of the duct 7 or 17 to the lumen blocks 18 and 19 connected as described above. That is, the connection holes 6 are provided in the lumen blocks 18 and 19. The duct 7 or 17 can be appropriately connected to form a shelter or a connected water channel as in the case shown in FIG. 9 or FIG.
[0021]
24 to 26 show an example of an assembled and connected water channel unit suitable for a relatively large water channel according to the present invention. That is, the L-shaped part 21 as shown in FIG. 24 is made to face as shown in FIG. 25, and the connecting concrete 23 is placed between the connecting parts 22 as shown in FIGS. It is obvious that the lumen block 2 is attached to the bottom surface of the portion, and the same structural relationship as that shown in FIG. 23 and described above is formed.
[0022]
In FIG. 27, the use of the assembled and connected water channel unit itself is the same as that of FIGS. 24 to 26 described above, but the case where the side wall portion is inclined in an expanded shape is shown. It is relatively small and is partially formed between both parts. The side wall portion 28 of the L-shaped portion 21 has an upper portion inclined outward, and a pseudo rock pattern 27 is formed on the inner surface thereof.
[0023]
FIG. 28 and FIG. 29 show a case where the present invention is applied to a relatively large concrete block 30 in which a partition wall 31 is formed in the middle such that the irrigation channel system and the drainage channel system are integrated. That is, the partition wall 31 may be either integrally molded as shown in FIG. 28 or separately formed as shown in FIG. 29, but the lumen block 2 is either one or both of the sections separated by the partition wall 31. Can be used in other waterways.
[0024]
30 and 31 show a case where a natural wood pattern 32 or a tile pattern 33 is adopted for the U-shaped concrete block main body 1 having a cross section according to the present invention. That is, in FIG. 30, the pattern 32 is used only on the top edge of the block body, and in FIG. 31, the tile surface 33 is provided on the top surface and the inner surface of the block body. By 32 or 33, it is possible to form a water channel that greatly improves the sensation as a concrete product. Other patterns 32 and 33 may be used as appropriate.
[0025]
As described above, according to the present invention, a lumen block is provided on the bottom surface of a concrete block body which is integrally molded or connected to have a U-shaped cross section, and an opening communicating with the lumen block is provided on the bottom surface of the concrete block body. By forming the block body, water can be passed in exactly the same way as in a general water channel, and a resting area in a static water state can be formed and secured at the bottom of the block body by the lumen block, so that fish and other underwater can be secured. By creating an environment suitable for the habitat of living organisms, retaining water effectively even during drought, etc., collecting water such as rainfall preferentially, and flowing some water appropriately from the source to the water channel It is possible to preferentially and accurately store water in the lumen block, so that both frogs such as carp, fish such as carp and mud, aquatic insects, etc. Various aquatic organisms is possible sufficiently things like biennial, form a suitable natural waterside environment that can not be obtained in conventional concrete block waterways, allowed to hold.
[0026]
The concrete block main body and the lumen block are integrally molded, and the concrete block main body having the lumen block is mass-produced because the U-shaped section of the concrete block main body has a larger cross-sectional area than the lumen of the lumen block. It is manufactured simply and appropriately by the process, and the advantages of the present invention can be obtained economically.
[0027]
A concrete block main body and a lumen block each having a U-shaped cross section are separately formed, and the opening of the lumen block is joined and attached to the opening formed at the bottom of the concrete block main body. It is suitable for the protection of aquatic organisms such as fishes, even if it has a complicated structure, and can be formed and manufactured accurately, especially even if the opening of the bottom of the concrete block body is narrow Form a waterway.
[0028]
A large number of lumens are attached to the bottom of a plurality of connected concrete block bodies by forming crotch openings and joining the openings of the lumen blocks to the openings. In order to maintain the conditions suitable for the growth of fish and other aquatic organisms by sufficiently collecting water during the rain as described above.
[0029]
By providing a connection port for attaching a connecting duct to the lumen block, a long and large aquatic life growing area that is crotched into a large number of block areas is formed in a block row for a continuous water channel structure. Favorable growth conditions are formed by increasing the amount of water collected during rainfall as described above.
[0030]
As described above, the concrete block for a water channel provided with the lumen block according to the present invention is set by being incorporated between the U-shaped concrete blocks having no lumen block so that the lumen block is taken at an appropriate interval. The water channel which has is formed, and the preferable water channel suitable for the growth condition of the aquatic organism in each construction area is formed.
[0031]
The above-described U-shaped concrete without a lumen block is set between the concrete blocks for a waterway with a lumen block according to the present invention, and the space between the lumen blocks provided in the waterway concrete block is set. By connecting with a connecting duct, it is possible to obtain a water channel that has a large economical structure and is suitable for aquatic life in each region.
[0032]
【The invention's effect】
According to the present invention as described above, a water channel made of a precast concrete product is economically formed within a short period of time, and the weeds and the like are prevented from growing and growing in the concrete water channel, and its management is facilitated. In addition, it can form a favorable habitat for fish and other aquatic organisms, and can form and maintain appropriate growth conditions even during drought periods, etc., and can effectively and appropriately form a natural environment that cannot be obtained in conventional concrete water channels. Therefore, the invention is industrially highly effective.
[Brief description of the drawings]
FIG. 1 is a slope view showing an example of a concrete block according to the present invention.
FIG. 2 is a slope view showing another example of a concrete block according to the present invention.
FIG. 3 is a cross-sectional view showing a construction state of a concrete block according to the present invention that employs a lumen block having a bottom.
FIG. 4 is a cross-sectional view showing a construction state of a concrete block according to the present invention that employs a lumen block with an open bottom.
FIG. 5 is a perspective view showing a configuration of a concrete block according to the present invention that employs a lumen block having the same external dimensions as the block body.
FIG. 6 is a perspective view showing a configuration of a concrete block according to the present invention in which a lumen block is adopted at an end of a block main body.
FIG. 7 is a perspective view showing a configuration of a concrete block according to the present invention in which a connection port is provided on a side surface of the lumen block.
FIG. 8 is a perspective view showing a configuration of a concrete block according to the present invention in which a connection port is provided at a location different from FIG. 7;
9 is a cross-sectional view showing a construction state of the concrete block shown in FIG.
10 is a cross-sectional view showing a construction state using the concrete block shown in FIG. 8. FIG.
FIG. 11 is a perspective view showing still another configuration of the concrete block according to the present invention in which a square opening is provided on the bottom surface of the block main body.
FIG. 12 is a perspective view showing still another configuration of the concrete block according to the present invention in which a circular opening is provided on the bottom surface of the block main body.
FIG. 13 is a perspective view showing still another configuration of the concrete block according to the present invention in which a partial opening is provided at the bottom end of the block main body.
FIG. 14 is a perspective view of each attachment portion used in the concrete block shown in FIGS. 11 and 13;
FIG. 15 is a perspective view of each attachment part used together with the concrete block shown in FIG. 12;
16 is a cross-sectional view of what is shown in FIG.
17 is a cross-sectional view of what is shown in FIG.
18 is a cross-sectional view of the state shown in FIG. 12 with the attachment portion shown in FIG. 14 attached thereto.
19 is a cross-sectional view of the state shown in FIG. 12 with the attachment portion shown in FIG. 15 attached thereto.
20 is a cross-sectional view showing details of the mounting structure portion as shown in FIGS. 18 and 19. FIG.
FIG. 21 is a sectional view showing another detail of the mounting structure portion as shown in FIGS.
FIG. 22 is a perspective view of what is attached as in FIG. 19;
23 is a cross-sectional view of what is shown in FIG.
FIG. 24 is a perspective view of an L-shaped member that can be employed in the present invention.
FIG. 25 is a cross-sectional view of a connecting configuration of the present invention in which L-shaped members are connected and configured at an intermediate portion of a water channel.
FIG. 26 is a perspective view of a channel unit according to the present invention constructed by connecting L-shaped members.
FIG. 27 is a perspective view of a concrete block for a water channel according to the present invention in which a side wall inner surface is provided with a calcite pattern so as to be connected at the middle portion of the water channel.
FIG. 28 is a perspective view of a waterway block of the present invention in which a partition wall is formed in the middle part of the waterway.
FIG. 29 is a cross-sectional view showing a construction state of another water channel block of the present invention in which a partition wall is provided in the middle portion of the water channel.
FIG. 30 is a perspective view showing still another configuration of a concrete block for a water channel according to the present invention in which a natural wood pattern is applied to a top edge portion of a block main body.
FIG. 31 is a perspective view showing still another configuration of the concrete block for waterways according to the present invention in which the top surface and the inner surface of the block main body are tiled.
[Explanation of symbols]
1 U-shaped concrete block body 2 Lumen block (square)
3 Lumen block (cylindrical)
4 Laying material such as natural stone material 5 Filling material such as vegetation roll or vegetation bag using natural fiber such as palm 6 Connection hole 7 Duct 8 General water flow block 9 Connection piece 10 Condensation material 11 Opening portion 12 Bottom portion 13 Bottom opening Part 14 Partial opening 15 Blocking material 16 Linking material 17 Long duct 18 Cascade-shaped lumen block 19 Cylindrical lumen block 20 Large-sized lumen block 21 L-shaped part 22 Connection part 23 Connection concrete 24 Central opening part 25 Connection part 26 Insert metal fitting 27 for engagement 28 Pseudo-rock pattern 28 Side wall 30 Large concrete block 31 Partition wall

Claims (4)

  A lumen block is provided on the bottom surface of the concrete block main body which is integrally formed or connected to have a U-shaped cross section, and an opening communicating with the lumen block is formed on the bottom surface of the concrete block main body. The U-shaped section is set by incorporating a U-shaped concrete having no lumen block between the concrete blocks for water channel having a larger cross-sectional area than the lumen in the lumen block, and is provided in the concrete block for water channel. A water channel using a concrete block characterized in that the lumen blocks are connected by a connecting duct.   A concrete block main body and a lumen block each having a U-shaped cross section are separately formed, and the opening of the lumen block is attached to an opening formed at the bottom of the concrete block main body. Item 10. A water channel using a concrete block according to item 1.   3. An opening is formed by crotching at the bottom of a plurality of connected concrete block main bodies, and the opening of the lumen block is attached to the opening to be attached thereto. Water channel with concrete blocks.   The water channel by the concrete block according to any one of claims 1 to 3, wherein a connection port for attaching a connecting duct to the lumen block is provided.

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