KR100945078B1 - Vegetation mat for revetment - Google Patents

Abstract

PURPOSE: A vegetation mat for revetments is provided to maximize growth of plants by properly constructing the vegetation mat while spraying seed-spray, and to smoothly and conveniently supply nutrimental components and water to the mat. CONSTITUTION: A rice straw mat(30) is laminated on the top of a vegetation base material(10) on which seeds are attached. A core net(40) made with cocoa fiber is laminated on the top of the rice straw mat. The vegetation base material is formed to make pile on both sides of the vegetation base material by compressing Geosynthetics on both sides of a mesh. A natural adhesive, water combination soil and a water holding layer(20) are attached on the pile formed on the top of the vegetation base material.

Description

Vegan Station Mat for Revetment

The present invention relates to a revetment vegetation mat, in particular to form a water repellent layer (Water Combination Soil, WCS) between the vegetation base material and rice straw mat of the natural material and to the core side of the rice straw mat and By providing a specific construction method for installing the revetment vegetation mat according to the conditions of the construction site, it is possible to maximize the plant's activity by supplying moisture and nutrients to the vegetation plants in the environment-friendly greening of the banks of rivers and waterways. It is about a coastal vegetation mat which can be.

In general, cement concrete structures such as lake banks or gebion mattresses (gabions) are installed on the slopes of river banks to prevent flood damage, including flood protection. However, in recent years, flood protection is more environmentally friendly. As the necessity is highlighted, the use of the raft block and gabion mattress is gradually avoided, which will be described in detail below.

Generally, shore blocks and gebion mattresses are installed on the slopes to protect riversides, coasts, and banks and prevent erosion of shoreline due to runoff.They are frequently used in rivers across the country as land use in river basins increases and rapid urbanization progresses. Was implemented. However, due to the construction of the above-mentioned shore block and gebion mattress, the water temperature of the river is increased and the wetland plants of the riverside cannot grow, and this change causes various aquatic organisms and fishes as the habitat, spawning and feeding source of the riverside. As a result of adversely affecting the survival of the livestock, not only the disturbance of the ecosystem occurred such as the decrease in the number and diversity of the flora and fauna based on the rivers, but also the problem that the urban environment was impaired by the artificial structures.

On the other hand, various attempts have been made in the past to solve the problems of the raft block and the gabion mattress as a typical example, such as laying a raft vegetation mat seeded vegetation plants on the slope of the river bank, or seed spray (seed- A spray method is applied to slopes and a construction method for greening riversides has been proposed and used.

However, in the case of the above-described conventional revetment method, there was a significant difficulty in germination and lubrication of the vegetation planted by the revetment vegetation mat or seed-spray, which is unable to provide continuous hydration and nutrient supply. Not only was it easily lost due to the flooding of the river in rainy weather.

In particular, in the case of the conventional repose vegetation mat is a condition that the repose vegetation mat should be equipped with, the prevention of loss of soil, soil improvement, moisture evaporation suppression, rooting and lubrication, adaptability, growth promotion, warmth and moisture, harmony with the surroundings, durability, workability In addition, there should be no germination and sticking disorders, and the proper construction method should be considered according to the condition of the construction site.

The present invention is to solve the problems of the conventional revetment vegetation mat and seed spray construction method as described above, a water refining agent (Water Combination Soil, WCS) between the vegetation base material and rice straw mat of natural materials to facilitate the germination and sticking of vegetation plants Form a replenishment layer formed of) to construct a revetment vegetation mat formed with a core net and a wire mesh on the rice straw mat to facilitate the supply of moisture and nutrients to vegetation plants and to prevent loss due to river water. On the other hand, it is an object of the present invention to maximize the germination and sticking of vegetation plants by providing a suitable construction method according to the site conditions, such as the seed spray (seed-spray) spraying in parallel with the laying of the revetment vegetation mat .

The constitution of the revetment vegetation mat according to the present invention for achieving the above object is a water-retaining layer bonded to a vegetation base material made of a natural material and a water-combination soil (WCS) using a natural adhesive on the upper side of the vegetation base material. And a feature of the straw straw mat formed on the water-retaining layer, the core net formed on the top of the straw straw mat, and the revetment vegetation mat on which the wire net is formed on the core net. And, there is an additional feature in the composition of the revetment vegetation mat including the seed or the soil further in the conservative layer.

And, the construction method of the revetment vegetation mat according to the present invention, the construction method for laying a repose vegetation mat containing seeds in the conservative layer or the repose vegetation mat germinated seeds of the conservative layer, and before laying the repose vegetation mat not containing the seeds Alternatively, the method of spraying the seed spray after laying and the method of planting seedlings of vegetation after laying a revetment vegetation mat containing no seeds, and the covering is preceded when the gabion mattress is installed at the construction site. There is an additional feature to doing this.

According to the lake eye vegetation mat and the construction method according to the present invention as described above, the water-retaining mattress is absorbed by the water repellent mat by spraying water, rainfall, flooding, etc. As it releases, the water supply to vegetation plants is smooth, and the vegetation base, straw straw mat, and core net, which make up the revetment vegetation mat, are decomposed to nutrients of vegetation plants, and also seeded in the conservative layer according to the conditions of the construction site. Planting a seedling of a vegetation plant by laying a seedling of a vegetation plant after laying a raft of vegetation or a raft of vegetation that has germinated the seed, spraying the seed spray before or after laying the raft of the raft Maximize germination and lubrication of plants to realize effective lake reclamation.

Hereinafter, the revetment vegetation mat according to a preferred embodiment of the present invention and a construction method thereof will be described with reference to the drawings. First, the configuration of the revetment vegetation mat 1 will be described with reference to FIGS. 1 to 3. The repair layer 20, rice straw mat 30, the core net 40 and looks at the wire mesh (50).

Vegetation-based materials

Vegetation base 10 is a part in contact with the ground, to prevent the loss of soil, durable and must satisfy the function of the thermal insulation and moisturizing to the soil, the vegetation base 10 according to the present invention It is preferable that the piles are formed on both sides of the vegetation base material 10 by compressing the geotextile 12 as a natural material on both sides of the natural fiber mesh 11 made of jute material.

According to the vegetation base material 10 of the above configuration, by forming a natural fiber mesh 11 of jute with excellent durability, it is effective to prevent the loss and sediment of earth and sand, and between the tissue of the mesh 11 in the form of a pile As natural geosynthetic fibers 12 are compressed, the thermal insulation and moisturizing functions of the soil are excellent, and piles formed on the upper side of the vegetation base material 10 by the geosynthetic fibers 12 reinforce adhesive strength with the water-retaining layer 20 to be described later. Rather, as the roots of vegetation plants easily stick between the tissues of the jute mash 11, the sticking disorder does not occur in the conventional repose vegetation mat made of a thick nonwoven fabric.

In addition, both jute mash (11) and geotextiles (12) is made of 100% natural material, so as to decompose and compost over time to promote the growth of vegetation plants.

<Reservoir floor>

The water-repellent layer 20 is formed by adhering a conventional water combination (WCS) to the upper side of the vegetation base 10 with a natural adhesive, the water-retaining agent (WCS) is water 200 ~ 500 times its own weight It absorbs quickly and expands to gel and then releases the absorbed moisture and shrinks gradually, so it is possible to continuously supply water to plants, so it is easy to secure the moisture necessary for the growth of vegetation plants during drought. In addition, the absorption and release of water at the same time the volume of the expansion and contraction prevents the hardening of the soil, so as to help the roots sticking, the pH is neutral, harmless to the natural environment.

In addition, it contains phosphoric acid, kali, root rooting agent, and minerals in the repairing agent itself to improve the survival rate of vegetation, improve soil quality, and it is possible to repeatedly absorb and release moisture, which lasts for many years. Two watering can hold enough water, which in turn saves time and labor in watering.

Meanwhile, natural adhesives have been developed and used in various forms using starch, seaweed, rosin, and the like, and the present invention is not limited to the kind of natural adhesives described above.

In addition, the repair agent may be mixed with the natural adhesive composition and applied to the upper side of the vegetation base 10, or the natural adhesive may be applied first, and then the repair agent may be applied separately, and the seed (S) of the vegetation plant together with the repair agent. Or by forming or coating the soil together, the conservative layer 20 may be included in the seed (S) or the soil.

<Straw straw mat>

Rice straw mat (30) is formed on the upper side of the water-retaining layer (20), it is very helpful for soil conservation, surrounding landscape protection, warming and moisturizing, erosion control and flood prevention, especially after a certain period of time is a good compost It functions to promote germination, rooting and growth of vegetation plants.

In addition, unlike forming the lower side of the repair layer 20 as the vegetation base 10, the seeds S included in the repair layer 20 germinate by covering the upper side of the repair layer 20 with a straw mat 30. Easily sprouting between rice straws, as well as the germination disorder of the seeds (S) does not occur when compared with the conventional mating vegetation mat made of nonwoven.

<Core net>

The core net 40 is formed on the upper side of the rice straw mat 30 by extracting fibers from coconut shell, which is a non-polluting natural material, and is made of mesh, and is durable, convenient in construction, and warm and moisturizing. Excellent not only effective for germination and rooting of seeds (S), but also has high adaptability to uneven slopes, which is good in workability, and with fixing pins (not shown) after fixing the repose vegetation mat (1). It adheres to the slope side and improves the sticking force of the revetment vegetation mat (1).

<Wire mesh>

Wire mesh 50 is formed on the upper side of the core net 40, protects the revetment vegetation mat (1) and is in close contact with the slope side with the fixing pin to improve the adhesion of the revetment vegetation mat (1).

The revetment vegetation mat (1) of the configuration as described above may be formed in a sheet (sheet), or roll (roll), wherein the vegetation base material 10, the repair layer of the repose vegetation mat (1) 20, the straw mat 30, the core net 40 is formed integrally by sewing, the wire mesh 50 is preferably installed on the upper side of the core net 40 at the construction site, but is preferably bound by wire or the like.

Hereinafter, the construction method of the revetment vegetation mat according to a preferred embodiment of the present invention will be described with reference to FIGS.

<Example 1>

3 and 4, the repair layer 20, including the vegetation base material 10, the water repellent (WCS) and seeds (S) composed of a natural mesh 11 and geotextiles 12 as shown in Figure 3, rice straw mat (30), and the core revetment mat is stacked on the ground laid on the ground, the wire mesh 50 is installed on the upper side of the revetment vegetation mat, and using the fixing pin (not shown) The wire mesh 50 is firmly fixed to the ground and then sprayed to perform the construction so that the repair agent of the repair layer 20 sufficiently absorbs moisture.

At this time, the seed (S) included in the conservative layer 20 of the revetment vegetation mat is not germinated as shown in FIG. 3, or as the seed (S) is germinated as shown in FIG. 4. Vegetation mats can be used.

According to this construction method, since the seed (S) is located in the conserved layer 20 of the revetment vegetation mat or is already germinated in the conserved layer 20, there is no fear of loss, so that the seeds are easily lost due to flooding of the river. In addition, the construction method is simple and suitable for constructing a large area.

<Example 2>

5 and 6, vegetation base material 10 composed of a natural mesh 11 and geotextiles 12, the seed layer does not contain the repair layer 20, rice straw mat 30, core net (40) is laminated to the repose vegetation mat on the ground, the wire netting 50 is installed on the top of the revetment vegetation mat, the seed spray is sprayed on the surface of the revetment vegetation mat covered with the wire mesh 50 seeds ( After forming the seed spray layer (5) containing S), using the fixing pin (not shown) to secure the surface mattress and wire netting 50 to the ground firmly and then sprayed (보수 水) water-retaining layer (20) ) Should be installed to absorb water sufficiently.

In this case, as shown in FIG. 6, the seed spray may be additionally sprayed onto the ground prior to the installation of the repose vegetation mat, and as a result, the seed spray may be double sprayed.

On the other hand, the seed spray is a fertilizer, coating curing agent, erosion stabilizer, colorant, purified water necessary for the seed germination is possible, the large area construction and rapid greening, the flow rate of the river is relatively small seed is lost It is suitable as a construction method where there is no possibility of it.

<Example 3>

As shown in Figure 7, the vegetation base material (10) consisting of mash and geosynthetic fiber of natural materials, the repair layer 20 does not contain seeds, rice straw mat (30), core net (40) is a lagoon vegetation mat After laying on the ground, the wire mesh 50 is installed above the revetment vegetation mat, and planting seedlings (P) of the vegetation plant on the revetment vegetation mat covered with the wire mesh 50, the fixing pin (not shown) Using the revetment vegetation mat and wire mesh 50 is firmly fixed to the ground and then sprayed (撒水) is constructed so that the repair agent of the repair layer 20 sufficiently absorbs moisture.

The construction method as described above is suitable for the site where the surrounding environment is poor, especially the germination of vegetation plants is difficult.

In the construction method of the repose vegetation mat according to each embodiment of the present invention, if the gebion mattress is installed first in the construction site, precede the covering of 20 ~ 30cm on the upper side of the gebion mattress, and then in each embodiment Therefore, it is preferable to construct a lake vegetation mat.

Looking at the action of the revetment vegetation mat and the construction method according to the present invention, the water repellent (WCS) of the repair layer 20 formed on the revetment vegetation mat (1) retains the water sprayed during the construction and slowly released, even after rain water As it possesses and discharges river water, the water supply to vegetation is smooth, and the main composition of the revetment vegetation mat is composed of natural materials such as jute, rice straw, cocoa fiber, and decomposes over time to nutrients of vegetation. By supplying, germination and sliding of vegetation plants are smooth.

Also, in the conservative layer, the seedlings containing the repose vegetation mat or the seedling germination vegetation mat or the seedlings are sprayed before and after the laying of the repose vegetation mat, or the seedling vegetation after laying the repose vegetation mat Maximize germination and sticking to vegetation plants by applying appropriate construction methods according to the conditions of the construction site.

1 is a perspective view showing the configuration of the repose vegetation mat according to the present invention

Figure 2 is an exploded perspective view showing the configuration of the repose vegetation mat according to the present invention

3 to 7 is a state diagram showing the revetment vegetation mat according to each embodiment of the present invention

*** Explanation of symbols for the main parts of the drawing ***

S: Seeds P: Seedlings

1: shore protection vegetation mat 5: seed spray layer

10: Vegetation Foundation 11: Mash

12: geotextile 20: repair layer

30: straw mat 40: core net

50: wire mesh

Claims (6)

Straw mat 30 is laminated on the upper side of the vegetation base material 10 to which the seeds (S) are bonded, and the core net 40 formed of cocoa fibers is laminated on the top of the straw mat 30 to bind to each other. In a coastal vegetation mat; The vegetation base material 10 is a pile (pile) on both sides of the vegetation base material 10 by compressing the geosynthetic fiber 12 of the natural material on both sides of the natural fiber mesh 11 made of jute (黄麻) material To form; The pile formed on the upper side of the vegetation base material 10 is bonded between the vegetation base material 10 and the rice straw mat 30 by adhering the repair layer 20 mixed with a natural adhesive agent and a water repellent agent (WCS) and soil. By forming a water-retaining layer (20) but the seed (S) in the water-retaining layer (20); As the geotextile 12 is pressed onto the jute mash 11, the adhesive force between the vegetation base 10 and the repair layer 20 is strengthened by a pile formed in the vegetation foundation 10, and the repair layer 20 A revetment mattress, characterized in that by the water repellent (WCS) included in the) to easily secure the moisture required for the growth of vegetation. delete delete delete delete delete

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