JPH09177060A - Fish nest block with grass planted - Google Patents
Fish nest block with grass plantedInfo
- Publication number
- JPH09177060A JPH09177060A JP7351787A JP35178795A JPH09177060A JP H09177060 A JPH09177060 A JP H09177060A JP 7351787 A JP7351787 A JP 7351787A JP 35178795 A JP35178795 A JP 35178795A JP H09177060 A JPH09177060 A JP H09177060A
- Authority
- JP
- Japan
- Prior art keywords
- porous material
- block
- fish nest
- grass
- passage holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 244000025254 Cannabis sativa Species 0.000 title description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 21
- 241001465754 Metazoa Species 0.000 description 9
- 241000238631 Hexapoda Species 0.000 description 5
- 241001609213 Carassius carassius Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 241001233037 catfish Species 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- 244000273256 Phragmites communis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
Landscapes
- Artificial Fish Reefs (AREA)
- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
- Revetment (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、河川の岸辺に沿って並
設する護岸構造体であり、上面に水生植物を着床させ、
また水中部が魚巣用として機能する草植え魚巣ブロック
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a revetment structure juxtaposed along the shore of a river.
The present invention also relates to a grass-planted fish nest block whose underwater portion functions as a fish nest.
【０００２】[0002]
【従来の技術】従来より河川の護岸用ブロックとして
は、川岸の表土を流失させないためにコンクリートのブ
ロックを組み合わせ、川岸の法面を覆うように敷設する
構造のものがあり、川の流れによって表土が削り取られ
るのを防止する構造にしてある。2. Description of the Related Art Conventionally, as a revetment block for a river, there is a structure in which a concrete block is combined to prevent the topsoil of the riverbank from flowing away and laid so as to cover a slope of the riverbank. Is designed to prevent scraping.
【０００３】[0003]
【発明が解決しようとする課題】このため、この種の従
来の構造では、川岸の法面全体がコンクリートブロック
によって覆われた構造になるため、水際に繁茂する水生
植物の着根を阻害してこれらの植物を死滅させる結果、
自然破壊が進んで川岸の景観を損なう問題を有してい
た。For this reason, in the conventional structure of this kind, the entire slope of the riverbank is covered with concrete blocks, which hinders the rooting of aquatic plants growing on the water's edge. As a result of killing these plants,
There was a problem that natural destruction progressed and spoiled the riverside landscape.
【０００４】また、このようなコンクリートブロックで
覆われた川岸では水中に棲息する動物にとっても、水生
植物が繁茂しないため営巣を地が確保できなくなるだけ
でなく、直接川岸壁に営巣孔を掘削することが不能とな
るなどの結果、これら水中棲息動物の生体系も変わって
しまう問題を有していた。[0004] In addition, on the riverbank covered with such concrete blocks, even for animals living in the water, aquatic plants do not proliferate, so that not only is it impossible to secure a nesting site, but also a nesting hole is directly drilled in the riverbank. As a result, the biological system of these aquatic animals has also been changed.
【０００５】このため近年では、表面側に大きな凹凸を
成形して植物の着根性能を改善すると共にや昆虫または
小魚等の隠れ家とした構造のものが使用されているが、
増水するとストレートに水流が走ってしまう護岸工事し
たこの種の構造では、水生動物は勿論のこと、水生植物
も一挙に流されてしまい充分な効果を挙げられないのが
現状である。[0005] For this reason, in recent years, a structure is used in which large irregularities are formed on the surface side to improve the rooting performance of plants and as a hideout for insects or small fishes.
With this type of revetment construction, where water flows straight when the water increases, not only aquatic animals but also aquatic plants are washed away at once, and it is not possible to obtain a sufficient effect.
【０００６】本発明は上記問題に鑑みてなされたもので
あり、水生植物の着床能に優れ、該着床力によって強い
水流からの流失に水生植物が耐えることが可能になると
共に、フナやヤゴ等の水生小動物が進入して或は棲息し
て、強い水流から完全に身を守ることができる淀み部を
形成するようになり、自然の景観及び自然の生体系を破
壊することがない草植え魚巣ブロックを提供することを
目的とするものである。The present invention has been made in view of the above-mentioned problems, and has an excellent ability to implant aquatic plants, which enables the aquatic plants to withstand a runoff from a strong water flow, as well as a crucian carp and the like. Small aquatic animals such as goats enter or inhabit and form stagnation areas that can completely protect themselves from strong currents, and grass that does not destroy the natural landscape and natural biological systems It is intended to provide a planted fish nest block.
【０００７】[0007]
【課題を解決するための手段】本発明に係る草植え魚巣
ブロックは、側壁の壁厚内に鉄筋を配設すると共に、内
腔を上下方向に構成した筒状体からなるコンクリート製
筒状ブロック本体と、上記筒状ブロック本体の上部に架
設され水生植物の着根させる植栽マットと、周壁の裾部
に穿設し内腔に貫通した複数の水中通路孔とから構成
し、河川の水際に並設することを要旨とするものであ
る。A planting fish nest block according to the present invention has a concrete tubular shape comprising a tubular body in which a reinforcing bar is arranged within a wall thickness of a side wall and an inner cavity is formed in a vertical direction. Block main body, a planting mat which is erected on the upper part of the tubular block main body for rooting aquatic plants, and composed of a plurality of underwater passage holes drilled in the hem of the peripheral wall and penetrating into the inner cavity, The idea is to install them side by side at the water's edge.
【０００８】また必要に応じて上記筒状ブロック本体の
植栽マット架設レベルと同一かまたは上レベル位置に内
腔に貫通した複数の水際通路孔を開設することもでき
る。Further, if necessary, a plurality of water passage holes penetrating through the lumen can be formed at the same level as or above the planting mat erection level of the tubular block main body.
【０００９】更に、上記植栽マットは、ステンレススチ
ールの線材によって簀の子状または格子状に形成した支
承プレートの上面に、所定の厚さと線状密度を有する着
根用ポーラス材を固定一体化した構造になるもので、該
着根用ポーラス材は、植物の繊維などを絡め、繊維の接
点を接着して一定の厚さとした天然繊維ポーラス材、ま
たはポリプロピレン等の熱可塑性合成樹脂を加熱溶融し
てノズルより押出し、線状としたものをカールさせたま
ま積み重ね、線状の相互接点を溶着成形して一定の厚さ
と線状密度を持つように一体化した合成樹脂線状ポーラ
ス材によって実施することができる。Further, the planting mat has a structure in which a rooting porous material having a predetermined thickness and a linear density is fixedly integrated on an upper surface of a support plate formed in a sashimi or lattice shape with a stainless steel wire. The rooting porous material is obtained by heating and melting a natural fiber porous material having a certain thickness by adhering plant fibers or the like and bonding the fiber contacts, or a thermoplastic synthetic resin such as polypropylene. Extrusion from a nozzle, stacking while keeping the curled linear product, welding the linear interconnecting points and integrating them to have a certain thickness and linear density by using synthetic resin linear porous material Can be.
【００１０】[0010]
【作用】上記草植え魚巣ブロックは、コンクリート護岸
工事された川岸に沿って川底に並設するもので、水際通
路孔位置が通常水位位置となるように水中に沈めてな
り、隣設する草植え魚巣ブロックと互いに密接するよう
に並設されると共に、植栽マットには水生植物を着根せ
しめ、該植栽マットから伸びた水生植物の根が水面に届
くようにして各種水生植物を繁茂せしめてなる。[Function] The above grass planting fish nest blocks are arranged side by side along the riverbank on which concrete revetment has been carried out, and are submerged in water so that the waterfront passage hole position is at the normal water level. Along with the planted fish nest block, they are juxtaposed with each other so that aquatic plants can be rooted on the planting mat, and various aquatic plants can be planted so that the roots of the aquatic plants extending from the planting mat reach the water surface. It will prosper.
【００１１】上記川岸に設置した草植え魚巣ブロックに
各種水生植物が繁茂すると、これらの草陰に各種水生昆
虫が棲息するようになり、その一部は多数の水際通路孔
を進入路として川の水面に出入する。また裾部に穿設し
た多数の水中通路孔を進入路としてナマズやフナなどの
小動物が川の本流に出入し、内腔に棲みつくようにな
る。このため、川が増水してストレートに水流が走って
も水生動物や水生植物が一挙に流されてしまうことがな
く水辺の生体系を保持することができ、護岸工事によっ
てコンクリートで覆われた河川を水生植物や水生の小動
物が棲息し易い構造に変え、比較的簡単に自然環境に近
い生体系に変更することができる。When a variety of aquatic plants prosper in the grass-planted fish nest block installed on the riverbank, various aquatic insects inhabit these shades, and a part of the aquatic insects enter the river through a large number of water passage holes. In and out of the water. In addition, small animals such as catfish and crucian carp enter and exit the main stream of the river using the numerous underwater passage holes drilled in the hem as entry routes. For this reason, even if the river rises and the water stream runs straight, aquatic animals and aquatic plants will not be washed away at once, and the biological system of the waterside can be maintained, and rivers covered with concrete by revetment work Can be changed to a structure in which aquatic plants and small aquatic animals can easily live, and it can be relatively easily changed to a biological system close to a natural environment.
【００１２】[0012]
【実施例】以下、本発明に係る草植え魚巣ブロックの一
実施例を図面に従って説明する。草植え魚巣ブロック１
は筒状ブロック本体２をコンクリートによって上下方向
に貫通する内腔３を有するように筒状に成形されるもの
で、該筒体の平面形状は面方向に並列組み合わせができ
るように、菱形や六角形または図１に示すような紡錘形
等、種々の形状になるもので、高さが２〜３ｍの大きさ
のブロック体である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a grass-planted fish nest block according to the present invention will be described below with reference to the drawings. Grass planting fish nest block 1
Is formed into a cylindrical shape so as to have a bore 3 vertically penetrating the cylindrical block body 2 with concrete, and the planar shape of the cylindrical body is rhombic or hexagonal so as to enable parallel combination in the surface direction. It is a block having various shapes such as a square shape or a spindle shape as shown in FIG. 1 and a height of 2 to 3 m.
【００１３】また、該筒状ブロック本体２の壁面肉厚内
縦横に鉄筋４，４…を配設した補強構造とすると共に、
内腔３側周壁の比較的上部には、周リブまたは図面に示
すような複数の張り出し突起５，５…を同レベルになる
ように成形時に一体に突設してなる。更に、該筒状ブロ
ック本体２の周壁には、上記張り出し突起５のレベルよ
り下側の裾部に位置して複数の比較的大きい円孔を貫通
穿設して水中通路孔６，６…を構成すると共に、上記張
り出し突起５のレベルより上側の上縁近傍に位置して複
数の比較的小さい円孔を貫通穿設して水際通路孔７，７
…を構成してなる。A reinforcing structure in which reinforcing bars 4, 4... Are arranged vertically and horizontally within the wall thickness of the cylindrical block body 2 is provided.
At the relatively upper part of the peripheral wall on the side of the inner cavity 3, peripheral ribs or a plurality of overhanging projections 5, 5,. Further, on the peripheral wall of the tubular block body 2, a plurality of comparatively large circular holes are formed at the hem portion below the level of the projecting projections 5 so as to penetrate therethrough to form underwater passage holes 6, 6. In addition to the above configuration, a plurality of relatively small circular holes are formed near the upper edge of the protrusion 5 to penetrate the waterside passage holes 7, 7.
….
【００１４】上記筒状ブロック本体２の外周壁面には、
自然岩や自然木を模した浅い凹凸からなる模擬成形模様
構造を構成すると共に、周壁の上側端縁８を平坦構造ま
たは周方向にレベルを変えた褶曲構造に成形してなる。On the outer peripheral wall surface of the cylindrical block body 2,
A simulated molding pattern structure having shallow irregularities imitating natural rock or natural wood is constructed, and the upper edge 8 of the peripheral wall is formed into a flat structure or a fold structure in which the level is changed in the circumferential direction.
【００１５】符号９は上記周リブまたは張り出し突起５
に載置固定して内腔３の上側に固設してなる植栽マット
であり、ステンレススチールの線材によって簀の子状ま
たは格子状に形成した支承プレート１０の上面に、所定
の厚さと線状密度を有する着根用ポーラス材１１を固定
一体化した構造になる。Reference numeral 9 denotes the above-mentioned peripheral rib or overhang projection 5.
Is a planting mat which is mounted and fixed on the upper side of the inner cavity 3 and has a predetermined thickness and linear density on the upper surface of a support plate 10 formed in the shape of a cage or a lattice by a stainless steel wire. Is fixedly integrated with the rooting porous material 11 having the following.
【００１６】上記着根用ポーラス材１１は、しゅろ皮や
麻繊維などを絡め、繊維の相互接点を接着して一定の厚
さとした天然繊維ポーラス材、またはポリプロピレン等
の熱可塑性合成樹脂を加熱溶融してノズルより押出し、
線状としたものをカールさせたまま積み重ね、線状の相
互接点を溶着成形して一定の厚さと線状密度を持つよう
に一体化し合成樹脂線状ポーラス材等によって構成して
なる。The rooting porous material 11 is formed by heating a natural fiber porous material having a certain thickness by bonding the mutual contact points of fibers, or a thermoplastic synthetic resin such as polypropylene. Melted and extruded from nozzle,
The linear members are stacked while being curled, and the linear interconnecting points are welded and formed to have a certain thickness and linear density, and are made of a synthetic resin linear porous material or the like.
【００１７】尚、言うまでもないが、上記草植え魚巣ブ
ロックの大きさ、及び側壁の厚さは任意に設定すること
ができると共に、平面形状も施工場所やデザイン等を考
慮して任意に設計することができる。また、筒状ブロッ
ク本体２の周壁に穿設する水中通路孔や水際通路孔７の
形状は種々に設計することができると共に、水際通路孔
７を省略した構成にすることもできる。Needless to say, the size of the above-mentioned planted fish nest block and the thickness of the side wall can be set arbitrarily, and the plane shape is also designed in consideration of the construction site and design. be able to. Further, the shapes of the underwater passage hole and the waterside passage hole 7 formed in the peripheral wall of the tubular block body 2 can be designed in various ways, and the waterside passage hole 7 can be omitted.
【００１８】上記構成の草植え魚巣ブロック１は、図３
に示すようにコンクリート護岸工事された川岸ａに沿っ
て川底ｂに並設するもので、水際通路孔７位置が通常水
位位置ＷＬとなるように水中に沈めてなり、隣設する草
植え魚巣ブロック１と互いに密接するように並設され
る。また植栽マット９のポーラス材１１には、葦やがま
穂等の水生植物ｃを着根せしめ、該植栽マット９から伸
びた水生植物ｃの根が水面に届くようにして各種水生植
物を繁茂せしめてなる。The grass-planted fish nest block 1 having the above structure is shown in FIG.
As shown in the figure, it is arranged along the riverbank a along the riverbank a on which the concrete revetment has been carried out, and is submerged in the water so that the position of the waterside passage hole 7 becomes the normal water level position WL. The blocks 1 are juxtaposed so as to be in close contact with each other. In addition, the aquatic plants c such as reeds and spikelets are set on the porous material 11 of the planting mat 9 so that the roots of the aquatic plant c extending from the planting mat 9 reach the surface of the water. Overgrow.
【００１９】上記川岸に設置した草植え魚巣ブロック１
に各種水生植物ａが繁茂すると、これらの草陰に各種水
生昆虫が棲息するようになり、その一部は多数の水際通
路孔７，７…を進入路として川の水面に出入する。また
裾部に穿設した多数の水中通路孔６，６…を進入路とし
てナマズやフナなどの小魚が川の本流に出入し、内腔３
に棲みつくようになる。従って、川が増水してストレー
トに水流が走っても水生動物や水生植物が一挙に流され
てしまうことがなく水辺の生体系を保持することができ
る。Grass planting fish nest block 1 installed on the riverbank
When various aquatic plants a prosper, various aquatic insects inhabit these shades, and a part of the aquatic insects enter and leave the water surface of the river through a large number of shore passage holes 7, 7,.... In addition, small fish such as catfish and crucian carp enter and exit the main stream of the river using the numerous underwater passage holes 6, 6 ...
Will be able to live in. Therefore, even when the river rises and the water stream runs straight, aquatic animals and aquatic plants are not washed away at once, and the biological system of the waterside can be maintained.
【００２０】[0020]
【発明の効果】以上述べたように本発明に係る草植え魚
巣ブロックは、川岸に並設するブロック体を上下方向に
内腔を構成した筒状体とすると共に、該筒状体の上部に
水生植物の着根させる植栽マットを構成し、周壁の下部
に多数の水中通路孔、上部に多数の水際通路孔を開設し
た構造にしたことにより、護岸工事によってコンクリー
トで覆われた河川を水生植物や水生の小動物が棲息し易
い構造に変えることができるものであり、比較的簡単に
自然環境に近い生体系に変更することができる特徴を有
するものであり、本発明実施後の効果は極めて大きい。As described above, in the grass-planting fish nest block according to the present invention, the block bodies arranged side by side on the riverbank are formed into a tubular body having a vertical inner cavity, and the upper portion of the tubular body is provided. By constructing a planting mat on which aquatic plants are rooted, a large number of underwater passage holes at the bottom of the surrounding wall and a number of waterway passage holes at the top were constructed, so that rivers covered with concrete by revetment work can be constructed. It is possible to change to a structure in which aquatic plants and aquatic small animals can easily inhabit, and it has a characteristic that it can be changed to a biological system close to the natural environment relatively easily. Extremely large.
【図１】本発明に係る草植え魚巣ブロックの構造を示す
一部切欠した斜視図である。FIG. 1 is a partially cutaway perspective view showing the structure of a grass-planted fish nest block according to the present invention.
【図２】同草植え魚巣ブロックの縦断面図である。FIG. 2 is a longitudinal sectional view of the fish nest block planted with grass.
【図３】同施工状態を示す斜視図である。FIG. 3 is a perspective view showing the construction state.
１ 草植え魚巣ブロック ２ 筒状ブロック本体 ３ 内腔 ４ 鉄筋 ５ 張り出し突起 ６ 水中通路孔 ７ 水際通路孔 ８ 上側端縁 ９ 植栽マット １０ 支承プレート １１ 着根用ポーラス材 ａ 川岸 ｂ 川底 ｃ 水生植物 ＷＬ 水面レベル DESCRIPTION OF SYMBOLS 1 Grass planting fish nest block 2 Tubular block main body 3 Lumen 4 Reinforcement 5 Overhang projection 6 Underwater passage hole 7 Border passage hole 8 Upper edge 9 Planting mat 10 Bearing plate 11 Rooting porous material a Riverbank b Riverbed c Aquatic Plant WL Water level
Claims (3)
内腔を上下方向に構成した筒状体からなるコンクリート
製筒状ブロック本体と、 前記筒状ブロック本体の上部に架設され水生植物の着根
させる植栽マットと、 を周壁の裾部に穿設し内腔に貫通した複数の水中通路
孔、とからなり、河川の水際に並設する草植え魚巣ブロ
ック。Claims: 1. A reinforcing bar is provided within a thickness of a side wall.
A concrete tubular block body consisting of a tubular body having an inner cavity formed in the up-down direction, a planting mat which is laid on the upper part of the tubular block body and on which aquatic plants are rooted, A grass-planting fish nest block that consists of multiple underwater passage holes that penetrate through the inner cavity and that are arranged side by side at the water's side of the river.
レベルと同一かまたは上レベル位置に内腔に貫通した複
数の水際通路孔を開設したことを特徴とする請求項１記
載の草植え魚巣ブロック。2. A grass-planted fish according to claim 1, wherein a plurality of waterside passage holes penetrating through the lumen are opened at the same level as or above the planting mat erection level of the tubular block main body. Nest block.
の線材によって簀の子状または格子状に形成した支承プ
レートの上面に、所定の厚さと線状密度を有する着根用
ポーラス材を固定一体化した構造になり、該着根用ポー
ラス材は、植物の繊維などを絡め、繊維の接点を接着し
て一定の厚さとした天然繊維ポーラス材、またはポリプ
ロピレン等の熱可塑性合成樹脂を加熱溶融してノズルよ
り押出し、線状としたものをカールさせたまま積み重
ね、線状の相互接点を溶着成形して一定の厚さと線状密
度を持つように一体化した合成樹脂線状ポーラス材によ
って構成されることを特徴とする請求項１または請求項
２記載の草植え魚巣ブロック。3. A structure in which a rooting porous material having a predetermined thickness and linear density is fixed and integrated on the upper surface of a bearing plate in which the planting mat is formed of a stainless steel wire rod in a cage or lattice shape. The porous material for rooting is entangled with plant fibers or the like, and a natural fiber porous material having a fixed thickness by adhering the contact points of the fibers or a thermoplastic synthetic resin such as polypropylene is melted by heating from a nozzle. It is composed of synthetic resin linear porous material that is extruded and stacked in a curled state, and is then formed by fusion-molding the linear mutual contacts to have a certain thickness and linear density. The planted fish nest block according to claim 1 or 2, which is characterized in that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7351787A JP2822020B2 (en) | 1995-12-27 | 1995-12-27 | Grass planting fish nest block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7351787A JP2822020B2 (en) | 1995-12-27 | 1995-12-27 | Grass planting fish nest block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09177060A true JPH09177060A (en) | 1997-07-08 |
| JP2822020B2 JP2822020B2 (en) | 1998-11-05 |
Family
ID=18419610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7351787A Expired - Fee Related JP2822020B2 (en) | 1995-12-27 | 1995-12-27 | Grass planting fish nest block |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2822020B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635089A (en) * | 2012-03-31 | 2012-08-15 | 江苏大学 | Ecological riparian zone construction method |
| CN110593197A (en) * | 2019-09-30 | 2019-12-20 | 江苏麦廊新材料科技有限公司 | River ecological remediation revetment system |
| CN110593196A (en) * | 2019-09-30 | 2019-12-20 | 江苏麦廊新材料科技有限公司 | Wave dissipation flow guide structure and ecological fish nest with wave dissipation function |
-
1995
- 1995-12-27 JP JP7351787A patent/JP2822020B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635089A (en) * | 2012-03-31 | 2012-08-15 | 江苏大学 | Ecological riparian zone construction method |
| CN102635089B (en) * | 2012-03-31 | 2015-06-24 | 江苏大学 | Ecological riparian zone construction method |
| CN110593197A (en) * | 2019-09-30 | 2019-12-20 | 江苏麦廊新材料科技有限公司 | River ecological remediation revetment system |
| CN110593196A (en) * | 2019-09-30 | 2019-12-20 | 江苏麦廊新材料科技有限公司 | Wave dissipation flow guide structure and ecological fish nest with wave dissipation function |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2822020B2 (en) | 1998-11-05 |
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| LAPS | Cancellation because of no payment of annual fees |