JP2711808B2 - Seawall makeup structure for river purification - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seawall makeup structure for river purification for improving safety at the waterside in front of a sheet pile revetment, contributing to ecosystems such as water quality, and improving landscape.

[0002]

2. Description of the Related Art In recent years, revetment work has been carried out by laying sheet piles in parallel on a riverbank, or after the completion of lakeshore work, there have been riverbanks that have left these sheet piles. Not only did the landscape worsen, but also destroyed aquatic organisms and waterfowl ecosystems. In addition, in general, in this type of sheet pile revetment, although concrete caps are provided on the top edge of the sheet pile, the river bank is steep, so it is easy for accidents to fall directly into river water, and clues can be given in case of falling. There was a danger of a water accident that could result in death due to lack of a water accident. In addition, a structure in which the riverbank is covered with sheet pile or concrete has a problem that the ecosystem on the riverbank is completely destroyed, and the natural purification of water quality by the ecosystem is not performed, and the water quality deteriorates. Was.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is intended to prevent falling directly into river water even if it falls down from a river bank, and to provide a clue when falling down into water. It will provide riverbank structures with improved safety, and will also secure ecosystems in seawall rivers using sheet piles, purify the water quality of river water, and at the same time improve the landscape of rivers It is intended to provide a seawall makeup structure for river purification.

[0004]

SUMMARY OF THE INVENTION A seawall decorative structure for river purification according to the present invention is formed from a lightweight buoyant material such as foamed resin to constitute a frame structure surrounded by a planar shape.
The bottom of the frame is connected at appropriate intervals by a plurality of reinforcing ribs to form an arbitrary planar container having an open bottom, and a part of the frame is anchored to a riverside member. A floating block comprising: a floating mat made of a landing material such as a pseudo-sponge or coconut shell fiber accommodated in the container-like cavity of the floating block; and a floating block fixed to the riverbank, In a seawall makeup structure for river purification composed of a mooring structure and a floating block connecting structure that is quickly connected in a vertically movable manner, the floating block quick connecting structure is provided at one position or on a back plate portion of a frame. A structure in which annular floating block mooring rings are protrudingly provided at a plurality of locations, slide pipes are erected vertically with respect to the river bank, and the floating block mooring rings are externally slidably mounted on the slide pipes. And the above floating block connecting structure The slide pipe is fixed to the revetment sheet pile standing along the river bank by driving the lower end of the pipe into the riverbed on the river water side and fixing the upper end to the revetment sheet pile via a pipe fixing bracket. A structure in which a floor mat is accommodated in a net bag for a landing mat and accommodated in the container cavity of the floating block, and the net bag for the floor mat is tied to reinforcing ribs of the floating block by a landing mat fixing rope. The main point is that it has been made.

[0005]

[0006]

[0007] In the floating block, an end plate is orthogonally formed forward from an end of a flat back plate, and the ends of the end plate are surrounded by a front plate having a straight line or an arbitrary curved plane shape. A wave-cutting device comprising a frame body, wherein the front plate has a convex floating block in which the planar shape is convexly curved, a concave floating block which is concavely curved, and an acute-angled wave-cut end continuous with the other end of the back plate. You may comprise by combining with a floating block.

[0008]

According to the above construction, when the floating block is anchored and used so as to be continuous in the flow direction of the river, the end portion is provided with:
By anchoring the wave cutting block, the resistance due to the water flow can be reduced. Each floating block is vertically slidably anchored by a floating block connecting structure composed of slide pipes vertically extending along the river side of the seawall, and buoyancy is supported on the water surface according to the height of the water surface. Become so.

[0009] Therefore, by implanting aquatic plants such as reeds on a landing mat made of a simulated spongy body or coconut fiber or the like, the river side of the revetment sheet piles is covered with the aquatic plant population, thereby increasing the greenery. To form a beautiful waterside landscape.

[0010] Further, in case of a fall from the river bank, the seawall makeup structure for purifying the river is constructed along the river edge, so that it is prevented from falling directly into the river water, and even if it falls into the water, The revetment makeup structure for river purification is a clue, making it easy to crawl.

[0011] Furthermore, the water purification effect of a landing mat made of a landing material such as a pseudo spongy body or coconut hull fiber and aquatic plants such as reeds implanted in the landing mat allow microorganisms to propagate and thereby reduce the ecosystem. As a result, natural purification of river water can be achieved.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing an embodiment of a seawall makeup structure for river purification according to the present invention. FIG. 1 is a longitudinal sectional view showing an embankment makeup structure for river purification, FIG. 2 is a partially cutaway plan view of the seawall makeup structure for river purification, FIG. 3 is a longitudinal sectional view of the floating block, and FIG. It is an expansion perspective view of the principal part.

Reference numerals 1, 2 and 3 denote floating blocks, each of which has a core material molded from a foamed resin and the surface of which is covered with an FRP resin. The end plate 5 is orthogonally formed from the one end to the front, and the end plate 5 is formed in a frame shape surrounded by a front plate 6 having a straight line or an arbitrary curved planar shape. In this embodiment, the planar shape of the front plate 6 is continuous with the convex floating block 1 having a convex curve, the concave floating block 2 having a concave curve, and the curvature of the front plate 6 of the convex floating block 1. It becomes a combination of the wave-cut floating block 3 which is curved and forms an acute-angle wave-cut end 3a which is continuous with the other end of the back plate 4.

In each of the floating blocks 1, 2, 3, the bottom of the back plate 4 and the front plate 6 are connected at appropriate intervals by a plurality of reinforcing ribs 7, 7,. A container having a perforated bottom and having a sufficient buoyancy and having a back plate 4 of each of the floating blocks 1, 2 and 3 is provided at one or several places with a stainless steel floating block anchoring ring. 8 protruding.

Reference numeral 9 denotes a landing mat made of a landing material such as a pseudo spongy body or coconut fiber, and the landing mat 9 is housed in a netting bag 10 for a landing mat knitted with synthetic fiber ropes. Then, while being accommodated in the container lumens 12 of the floating blocks 1, 2, and 3, the landing mat mesh bag 10 is tied to the reinforcing rib 7 by a landing mat fixing rope 11 made of synthetic resin fiber. Do it.

Each of the floating blocks 1, 2 and 3 is placed at a predetermined river position by using the floating block
Reference numeral 13 denotes a slide pipe made of stainless steel which slidably extrapolates the floating block anchoring ring 8 in such a manner that the anchoring ring 8 is movably ascended and lowered corresponding to the ascending and descending movement of the floating block. The slide pipe 13 is provided vertically on the river water 21 side with respect to the seawall sheet pile 15 erected along the riverbank 20 for seawall, and the lower end of the pipe is driven into the riverbed 22 and fixed, and the upper end thereof is fixed. It is fixed to the seawall sheet pile 15 via a pipe fixing bracket 14.

In the figure, reference numeral 16 designates a coping concrete fixed on the top edge of the seawall sheet pile 15, and a is the floor mat 9
It is an aquatic plant such as a reed (reed) that has been planted and flourished.

The seawall makeup structure for river purification having the above structure is used by anchoring and installing the floating blocks 1, 2 or 3 so as to be continuous in the flow direction of the river as shown in FIG. In addition, the wave cutting block 3 is anchored to reduce the resistance due to the water flow. Each floating block 1,2,3
Has a floating pipe anchoring ring 8 which is extrapolated to the slide pipe 13 vertically extending along the river water 21 side of the revetment sheet pile 15 so as to be vertically slidable, and each has sufficient buoyancy. The buoyancy is supported on the water surface according to the height of the water surface level WL.

Therefore, when an aquatic plant a such as a reed is planted on a landing mat 9 made of a landing material such as a simulated sponge or coconut fiber, when the aquatic plant a prospers, the river side of the revetment sheet pile 15 becomes the aquatic plant. a. Further, if the landing mat 9 is clogged during use, weeds and the like are also activated to form a lush waterside landscape.

In the description of the above embodiment, the floating block anchoring ring 8 is attached to the slide pipe 13 so that the floating blocks 1, 2, 3 are adapted to be raised and lowered with respect to the river bank according to the water level. Although the inserted structure has been described, it goes without saying that the structure of this portion can be similarly implemented even if the floating blocks 1, 2, and 3 are moored in the allowable range of floating and sinking by a rope or the like.

[0021]

As described above, according to the seawall makeup structure for river purification according to the present invention, since the seawall makeup structure for river purification is constructed along the riverbank, even if it falls down from the riverbank, it will be directly In addition to preventing falling into the water, even if falling into the water, it is possible to crawl up to the land by using the seawall makeup structure for river purification as a clue, greatly improving safety.

In addition, aquatic plants such as reeds planted in the river purification bank protection structure of the present invention have a large absorption and accumulation of phosphorus and the like contained in water, and these overgrown aquatic plants are trimmed and removed at regular intervals. As a result, an indirect water purification action is performed.

Further, since a shadow is formed by the aquatic plants overgrown in the seawall makeup structure for river purification, fish comes to approach, and a landing mat made of a landing material composed of a pseudo spongy body or coconut shell fiber is small. It becomes a fish nest, and this small fish attracts water birds, inhabits other living things, and can restore the ecosystem close to nature.

In addition, in a revetment river using a sheet pile, the structure of the sheet pile or the like is concealed by aquatic plants or the like that have prospered in the seawall makeup structure for river purification, so that the landscape can be improved to a state close to nature. It has such features as being possible, and the effect after the present invention is implemented is extremely large.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of a seawall makeup structure for river purification according to the present invention.

FIG. 2 is a partially cutaway plan view of the river purification wall protection structure.

FIG. 3 is a vertical sectional view of the floating block.

FIG. 4 is an enlarged perspective view of the main part.

[Explanation of symbols]

 1, 2, 3 Floating block 4 Back plate 5 End plate 6 Front plate 6 7 Reinforcement rib 8 Floating block mooring ring 9 Landing mat 10 Netting bag for landing mat 11 Landing mat fixing rope 13 Slide pipe 14 Pipe fixing bracket 15 Seawall sheet pile 16 Kasagi concrete 20 Riverbank 21 Riverwater 22 Riverbed a Aquatic plant

Claims (2)

(57) [Claims] 1. Molded with lightweight buoyant material such as foamed resin
Then, while the structure of the frame body surrounded by the planar shape is constituted,
A plurality of reinforcing ribs are connected at appropriate intervals between the bottoms of the frame.
To form an arbitrary flat container with an open bottom
And a mooring structure with a riverside member is configured in a part of the frame.
Floating block and the container-like cavity of the floating block
From the flooring material such as simulated spongy bodies or coconut shell fibers
And a floating mat fixed to the riverbank
Floating block connected to the anchor structure of the
Revetment makeup structure for river purification consisting of a link structure
In the above, the floating block connecting structure is
An annular floating block mooring ring is projected at one or more locations
The slide pipe is erected vertically with respect to the river bank.
Move the floating block mooring ring up and down with respect to the ride pipe
The structure is extrapolated slidably and linked to the floating block
A seawall with a structure of slide pipe standing along the riverbank
The lower end of the pipe is driven into the riverbed on the river water side and fixed to the board
And the upper end to the revetment sheet pile through the pipe fixing bracket
The landing mat is accommodated in a net bag for the landing mat and the floating
It is housed in the cavity of the lock container, and the net
Reinforcement rib of the floating block by floor mat fixed rope
Revetment for river purification characterized by a structure that is tied to the river
Makeup structure . 2. The floating block, wherein an end plate is orthogonally formed forward from an end of a flat back plate, and a front plate having a straight line or an arbitrary curved planar shape is formed between the end plate ends. The front plate comprises a convex floating block having a convex curved surface, a concave floating block having a concave curved surface, and an acute-angled wave-cut end continuous with the other end of the back plate. 2. A combination with a wave-break floating block.
The seawall makeup structure for river purification as described.