JPH0872787A - Vegitation floating island - Google Patents

Abstract

PURPOSE: To ensure a resting place for wild birds or a spawn place for fish and provide substitute for a green tract of slope surface without damaging a natural scene in dam having a variable level or in lakes and marshes having limited areas. CONSTITUTION: Floats 2 are mounted on a frame 1 having any external form. While the frame 1 is held under the surface of the water, a planting substratum material 4 consisting of vegetable fibers or synthetic fiber lumps is laminated on the frame 1 and float 2 to be held on the surface of the water. The lower and upper surfaces of the substratum material 4 are covered with nets 3a, 3b to be locked so that the substratum material is fastened to the frame 1 by fastening material such as a rope, wire and bolt.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is directed to the destruction of nature associated with the development of dams, lakes and marshes without damaging the natural landscape.
It aims to create an environment suitable for the flora and fauna ecosystem by establishing a resting place for wild bird protection or a spawning place for breeding fish.

[0002]

2. Description of the Related Art With the progress of development, the destruction of nature such as the decrease of tidal flats, shallow waters and seaweed beds is progressing, and the resting places of wild birds and the spawning places of fishes are decreasing. In addition, since it is difficult to green the slope in dams where the water level changes, there is a shortage of green space, so artificial floating islands have been installed as a method of securing these.

A conventional artificial floating island has adopted a structure in which a frame is held on the water surface by a float, and vegetation soil is embanked on the frame.

[0004]

Floating islands are required to be naturally compatible with each other. However, since the outer shape of a floating island in which the frame body is held on the water surface by a float is determined by the outer shape of the frame body, the frame body is linear. However, complicated shapes are required, and complicated processing is forced, and in order to make the frame less conspicuous, it is necessary to hide it between the frame and the water surface with a net, artificial grass, or fiber lumps. The increase in cost has become a problem.
(See Figure 6)

When forming a shallow water on the floating island, it is necessary to separately provide a tilted frame body or to deform and tilt a part of the main body frame body, which also causes the frame body to be complicated and the cost to increase. (See Figure 7)

The present invention is to provide a vegetation floating island in harmony with a natural landscape at a low cost while making the frame body into a shape and structure that can be easily manufactured.

[0007]

In order to achieve this object, a float is attached to a frame body having an arbitrary outer shape assembled from a strip material, the frame body is held below the water surface, and the float body and the frame body are laminated. An artificial floating island that holds the vegetation base material on the surface of the water, and the frame has a shape and structure that is easy to manufacture.

The above-mentioned vegetation base material is wrapped with a net and laminated on a frame and a float to form a floating island into an arbitrary shape. Fasten to the frame with fastening materials such as ropes, wires, and bolts.

As the vegetation base material, a plant fiber lump or a synthetic fiber lump is used to adjust the conditions suitable for plant growth.

[0010]

The floating island is formed of the vegetation base material, and the frame body is held below the water surface and does not appear outside. Therefore, the frame body may have any shape and structure which is larger than the outer shape of the floating island and is easy to manufacture.

The shape of the floating island does not depend on the shape of the frame body, and a large number of vegetation base material units covered with a net can be laminated to form an arbitrary shape, and some changes or modifications can be easily made. It is also easy to form shallow water.

Since the plant fiber lumps or synthetic fiber lumps used as the vegetation base material have water absorbency and the lower part is soaked in water, the water necessary for the growth of the plant is retained, and the plant fiber lumps are entangled in the plant. Grows with roots. Since soil is not used as the vegetation base material, it will not be washed away even if it is washed by waves, rainwater, immersion, etc.

[0013]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a plan view of an embodiment of the present invention. The left half shows a frame 1 and a float 2 from which a vegetation base material and a net have been removed. In this example, the frame body 1 is an outer frame material 1a,
The case where a block composed of a float support girder 1b and a block division girder 1c is integrally assembled by a block connecting beam 1d to facilitate transportation is shown. The frame material, the girder material, and the beam material are made of molten zinc plating [shaped steel, I-shaped steel, and the like, and are made of straight lines to have an easy-to-manufacture structure.

When the float 2 is attached to the frame 1, the water line is located in the middle of the float 2 attached to the upper surface of the frame 1 to maintain a stable freeboard, and the frame 1 is fixed below the surface of the water by the float 2. Hold at depth. Although the float 2 is arranged on the upper surface of the frame 1 according to the weight distribution of the floating islands, it may be additionally arranged on the lower surface if necessary. In this example, the float 2 is made of expanded polystyrene covered with urethane resin.

3a is a net stretched on the frame 1, 4a is a vegetation base material unit laminated on it, 4b is a contour line of the vegetation base material, and 3b is a net stretched so as to cover it. .

FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1, showing a state in which vegetation base material units 4a are stacked on the frame 1 and the float 2 to form floating islands, and plants 5 are grown. 6 is a water line, which will be a curve that is in harmony with the natural landscape and, if necessary, a shallow area will be formed to provide a resting place for wild birds. In this embodiment, an example is shown in which the frame 1 is connected to the gold anchor 9 by the chain 8 and moored at the bottom of the water.

As the vegetation base material, a vegetable fiber mass such as palm fiber or a synthetic fiber mass such as nylon or polyester is used.
The vegetation base material unit 4a covered with a net is laminated, the lower surface is covered with the net 3a and the upper surface is covered with the net 3b, and the frame body 1 is fastened with a fastening material such as rope, wire, and bolt. FIG. 3 shows an example in which the rope or wire 10 is fastened to the frame body 1,
FIG. 4 shows an example of fastening with the holding plate 11 and the bolts 12, and FIG. 5 shows that the vegetation base material unit 4a covered with a net is provided with a tying rope 13 so that adjacent vegetation base materials can be mutually connected by the tying rope 13. This is an example of bundling, and it goes without saying that these may be used in combination.

The vegetation base material 4 is made by planting a plant 5 such as thatch, mako, sesame, and willow in a pot 7 and rooted in the vegetation base material 4.

[0020]

EFFECTS OF THE INVENTION By using the vegetation floating island according to claim 1, a floating body having an arbitrary shape can be freely formed by the vegetation base material so that the frame body has a shape and structure that can be easily manufactured. Floating islands can be installed at a low cost in harmony with and suitable for the flora and fauna ecosystem.

A vegetation base material can be arbitrarily formed by stacking units in which the vegetation base material according to claim 2 is wrapped with a net, further covering the upper surface and the lower surface with a net, and fastening the frame body with a fastening material. The shape can be stabilized and will not collapse even if washed by waves.

The floating vegetation base material according to claim 3 is a floating island using a plant fiber lump or a synthetic fiber lump, which is lightweight and absorbs water. The water necessary for the growth of the plant is retained, and the roots are entangled in the fiber mass and the roots are stretched to grow the plant.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention,

2 is a sectional view taken along line AA of FIG.

FIG. 3 is an explanatory view of an example in which a vegetation base material is fastened to a frame with ropes or wires,

FIG. 4 is an explanatory view in which the vegetation base material and the float are fastened to the frame with bolts,

[FIG. 5] (A) is a vegetation base unit provided with a tying rope, (B) is an explanatory view of tying the vegetation base unit to each other with a tying rope,

FIG. 6 is an explanatory view of a conventional floating island,

FIG. 7 is an explanatory diagram of a conventional floating island with slope.

[Explanation of symbols]

 1 Frame 1a External frame material 1b Float support girder 1c Block division girder 1d Block connecting beam 2 Float 3a Net 3b Net 4 Vegetation base material 4a Vegetation base material unit 4b Vegetation base material Contour line 5 Plant 6 Water line 7 Pot 8 Chien 9 Gold anchor 10 Rope or wire 11 Presser foot 12 Bolt 13 Bundling rope 14 Soil 15a Fiber lump 15b Net or artificial grass 16 Slope

Claims (3)

[Claims] 1. A float is attached to a frame body having an arbitrary outer shape assembled from strips, the frame body is held below the water surface, and the vegetation base material laminated on the frame body and the float is held above the water surface. The characteristic vegetation floating island. 2. The vegetation floating island according to claim 1, wherein the units in which the vegetation base material is covered with a net are stacked, the lower surface and the upper surface of the unit are covered with a net, and the unit is fastened to the frame body with a fastening material. The characteristic vegetation floating island. 3. The vegetation floating island according to claim 2, wherein a plant fiber lump or a synthetic fiber lump is used as the vegetation base material.