JPH10136775A - Bag body for greening and greening method - Google Patents
Bag body for greening and greening methodInfo
- Publication number
- JPH10136775A JPH10136775A JP8314290A JP31429096A JPH10136775A JP H10136775 A JPH10136775 A JP H10136775A JP 8314290 A JP8314290 A JP 8314290A JP 31429096 A JP31429096 A JP 31429096A JP H10136775 A JPH10136775 A JP H10136775A
- Authority
- JP
- Japan
- Prior art keywords
- greening
- bag
- sheet material
- net
- plant growth
- 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
Landscapes
- Revetment (AREA)
- Cultivation Of Plants (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、法面、切土斜面、
河川敷等を緑化する緑化用袋体および緑化方法に関す
る。TECHNICAL FIELD The present invention relates to a slope, a cut slope,
The present invention relates to a greening bag and a greening method for greening a riverbed or the like.
【０００２】[0002]
【従来の技術】この種の緑化用袋体としては、繊維を密
に編んだ織布で袋体を形成し、これら複数の袋体を法面
に対して横向きに並列させた緑化用袋体（グラウトシー
ディング工法やバイオオーガニック工法）や、同様の素
材で斜め格子状に複数の袋体を連結して構成する緑化用
袋体（ベルデマット工法）が存在する。これらの緑化用
袋体を法面に配置し、その後、一体に連結されている袋
体の開放端より泥状の植物生育基材を注入している。こ
の際、袋体の隅々まで泥状植物生育基材を行き渡らせる
ため、その注入を高圧で行っている。また注入時、泥状
の植物生育基材の漏出を阻止するため、袋体を構成する
織布は、網目が小さなものが使用されている。2. Description of the Related Art As a greening bag of this type, a bag is formed of a woven fabric in which fibers are densely knitted, and a plurality of these bags are arranged side by side with respect to a slope. (Grout seeding method or bio-organic method) or a greening bag (Verdemat method) formed by connecting a plurality of bags in a diagonal lattice with the same material. These greening bags are placed on the slope, and then a muddy plant growth base material is injected from the open ends of the integrally connected bags. At this time, the injection is performed at a high pressure in order to spread the muddy plant growth base material to all corners of the bag. In addition, in order to prevent leakage of the muddy plant growth base material at the time of injection, a woven cloth constituting a bag body having a small mesh is used.
【０００３】[0003]
【発明が解決しようとする課題】前記した従来の緑化用
袋体および緑化方法には次のような問題点がある。 ＜イ＞ 植物生育基材を圧送しているが袋体内に斑なく
植物生育基材を充填することが困難である。 ＜ロ＞ 泥状の植物生育基材の充填性を良くするため高
圧で圧送すると、緑化用袋体を構成する織物の繊維が密
に編まれているため、内圧が高くなり袋体が破損する危
険があり圧送圧力に限界がある。 ＜ハ＞ 袋体を構成する織物の繊維は泥状植物生育基材
の漏出を防止するため密に編まれている。そのため緑化
に用いられる植物が木本類や草花類などの双子葉植物で
あると、その子葉が袋体の網目から出ることができず、
緑化に用いられる植物は、子葉の細いイネ科の植物に限
られてしまう。 ＜ニ＞ 袋体を構成する織物の繊維が密に編まれている
ことから、袋体の通気性や排水性が悪い。そのため植生
植物の成長が悪く、根腐れを起こして枯れやすい。＜ホ
＞泥状植物生育基材が単粒構造であることから、袋体内
で密実に充填されてしまう。そのため植物生育基材内の
通気性と排水性が悪く、植生植物が根腐れを起こして枯
れやすい。 ＜ヘ＞ 植物生育基材を高圧で充填した袋体が、円筒状
に膨らみ、袋体と袋体との連結部が地山から離隔して間
隙を生じ、その部分が乾燥し、植生植物の根付きが悪く
なる。The above-described conventional greening bag and greening method have the following problems. <B> Although the plant growth base is pumped, it is difficult to fill the bag growth base without unevenness. <B> When pressure feeding is performed at high pressure to improve the filling property of the muddy plant growth base material, the fibers of the fabric constituting the greening bag are densely knitted, so the internal pressure increases and the bag is damaged. There is a danger and the pumping pressure is limited. <C> The fibers of the woven fabric constituting the bag are tightly knitted to prevent leakage of the muddy plant growth base material. Therefore, if the plants used for greening are dicotyledonous plants such as woody plants and flowers, the cotyledons cannot get out of the mesh of the bag,
Plants used for greening are limited to grassy plants with thin cotyledons. <D> Since the fibers of the fabric forming the bag are densely knitted, the bag has poor air permeability and drainage. Therefore, the growth of the vegetation is poor, and the root rots easily and withers. <E> Since the substrate for growing a muddy plant has a single grain structure, it is densely filled in the bag. Therefore, the air permeability and drainage in the plant growth base material are poor, and the vegetation plants are likely to undergo root rot and die. <F> The bag filled with the plant growth base material at high pressure swells in a cylindrical shape, the connection between the bag and the bag is separated from the ground, a gap is formed, and that portion is dried, and the plant Rooting worsens.
【０００４】本発明は以上の問題点を解決するためにな
されたもので、その目的とするところは、植生植物の根
付きに優れ、施工性に優れた緑化用袋体および緑化方法
を提供することにある。The present invention has been made to solve the above problems, and an object of the present invention is to provide a greening bag and a greening method which are excellent in rooting of vegetation plants and excellent in workability. It is in.
【０００５】[0005]
【課題を解決するための手段】請求項１に係る発明は、
法面緑化用の袋体において、法面を被覆する底部網状シ
ート材と、前記底部網状シート材を被覆する上部網状シ
ート材とからなり、法面の上下方向に連続する、植物生
育基材を充填するための収容部を形成したことを特徴と
する、緑化用袋体である。請求項２に係る発明は、請求
項１の緑化用袋体において、前記底部網状シート材の網
目寸法を、前記収容部に充填する植物生育基材が透過す
る大きさに形成したことを特徴とする、緑化用袋体であ
る。請求項３に係る発明は、請求項１又は請求項２のい
づれかに記載の緑化用袋体において、前記上部網状シー
ト材の網目寸法を底部網状シート材より小さく形成した
ことを特徴とする、緑化用袋体である。請求項４に係る
発明は、請求項１乃至請求項３のいづれかに記載の緑化
用袋体において、前記上部網状シート材の網目寸法を２
ｍｍ〜１５ｍｍに形成したことを特徴とする、緑化用袋
体である。請求項５に係る発明は、請求項１乃至請求項
４のいづれかに記載の緑化用袋体において、法面を被覆
する底部網状シート材と前記底部網状シート材を被覆す
る上部網状シート材とにより、法面の上下方向に連続す
る、植物生育基材を充填するための収容部を複数隣接し
て形成することを特徴とする、緑化用袋体である。請求
項６に係る発明は、請求項１乃至請求項５のいづれかに
記載の緑化用袋体において、前記上部網状シート材を非
腐食性繊維で構成したことを特徴とする、緑化用袋体で
ある。請求項７に係る発明は、請求項１乃至請求項５の
いづれかに記載の緑化用袋体において、前記上部網状シ
ート材を非腐食性繊維と腐食性繊維とにより構成したこ
とを特徴とする、緑化用袋体である。請求項８に係る発
明は、請求項１乃至請求項５のいづれかに記載の緑化用
袋体において、前記上部網状シート材を非腐食性繊維と
水膨性繊維とにより構成したことを特徴とする、緑化用
袋体である。請求項９に係る発明は、請求項１乃至請求
項５のいづれかに記載の緑化用袋体において、前記上部
網状シート材を非腐食性繊維と腐食性繊維と水膨性繊維
とにより構成したことを特徴とする、緑化用袋体であ
る。請求項１０に係る発明は、請求項１乃至請求項５の
いづれかに記載の緑化用袋体において、当該袋体の端部
に連続空間を有する固化材注入用の収容部を形成し、前
記固化材注入用の収容部を密に編んだ織物で形成したこ
とを特徴とする、緑化用袋体である。請求項１１に係る
発明は、緑化用袋体に植物生育基材を充填して緑化する
緑化方法において、請求項１乃至請求項１０のいづれか
に記載の緑化用袋体を使用し、前記複数の緑化用袋体を
法面上に敷設し、前記緑化用袋体の収容部の開放端より
土、肥料、種子等の植物生育基材を充填し、緑化用袋体
を構成する底部網状シート材を透過させて根系を這わせ
ると共に、上部網状シート材を通過させて植生すること
を特徴とする、緑化方法である。請求項１２に係る発明
は、請求項１１に記載の緑化方法において、緑化用袋体
の収容部の開放端部より、水、団粒化剤、土、肥料、種
子等からなる泥状の植物生育基基材を充填することを特
徴とする、緑化方法である。請求項１３に係る発明は、
請求項１１乃至請求項１２のいづれかに記載の緑化方法
において、短繊維の混入した植物生育基材を緑化用袋体
に充填することを特徴とする、緑化方法である。請求項
１４に係る発明は、請求項１１乃至請求項１３のいづれ
かに記載の緑化方法において、端部の収容部を重合させ
て緑化用袋体を法面に敷設し、重合する上位の収容部に
固化材を充填して法面補強用の桁を形成することを特徴
とする、緑化方法である。The invention according to claim 1 is
In the bag body for slope greening, a bottom net-like sheet material covering the slope, and an upper mesh sheet material covering the bottom mesh-like sheet material, a plant growth base material that is continuous in the vertical direction of the slope, It is a greening bag characterized by forming an accommodating portion for filling. The invention according to Claim 2 is characterized in that, in the bag for greening of Claim 1, the mesh size of the bottom net-like sheet material is formed to a size that allows the plant growth base material to be filled in the storage portion to pass through. A greening bag. According to a third aspect of the present invention, in the greening bag according to any one of the first and second aspects, the mesh size of the upper net-like sheet material is formed smaller than that of the bottom net-like sheet material. It is a bag for use. According to a fourth aspect of the present invention, in the greening bag according to any one of the first to third aspects, the mesh size of the upper net-like sheet material is set to two.
It is a bag for greening characterized by being formed in mm-15mm. According to a fifth aspect of the present invention, in the greening bag according to any one of the first to fourth aspects, the bottom net-like sheet material covering the slope and the upper net-like sheet material covering the bottom net-like sheet material are provided. A greening bag characterized by forming a plurality of adjacent storage portions for filling a plant growth base material that are continuous in the vertical direction of the slope. The invention according to claim 6 is the greening bag according to any one of claims 1 to 5, wherein the upper net-like sheet material is formed of non-corrosive fibers. is there. The invention according to claim 7 is characterized in that, in the bag for greening according to any one of claims 1 to 5, the upper net-like sheet material is constituted by non-corrosive fibers and corrosive fibers. It is a bag for greening. The invention according to claim 8 is characterized in that, in the bag for greening according to any one of claims 1 to 5, the upper net-like sheet material is constituted by non-corrosive fibers and water-swellable fibers. , A greening bag. According to a ninth aspect of the present invention, in the bag for greening according to any one of the first to fifth aspects, the upper net-like sheet material is constituted by non-corrosive fibers, corrosive fibers, and water-swellable fibers. It is a bag for greening characterized by the following. According to a tenth aspect of the present invention, in the greening bag according to any one of the first to fifth aspects, an accommodating portion for injecting a solidifying material having a continuous space at an end of the bag is formed, and the solidification is performed. A bag for greening, characterized in that a container for material injection is formed of a densely woven fabric. An invention according to claim 11 is a greening method for greening by filling a greening bag with a plant growth base material, wherein the greening bag according to any one of claims 1 to 10 is used, and A greening bag is laid on the slope, and soil, fertilizer, seeds and other plant growth base materials are filled from the open end of the container for the greening bag, and a bottom net-like sheet material constituting the greening bag is filled. And vegetation through the upper net-like sheet material while allowing the root system to crawl through the plant. According to a twelfth aspect of the present invention, in the greening method according to the eleventh aspect, a muddy plant composed of water, an aggregating agent, soil, fertilizer, seeds, and the like is provided from an open end of a storage portion of the greening bag. A greening method characterized by filling a growth base material. The invention according to claim 13 is
The planting method according to any one of claims 11 to 12, wherein the plant growing substrate mixed with short fibers is filled in a planting bag. According to a fourteenth aspect of the present invention, in the greening method according to any one of the eleventh to thirteenth aspects, the upper housing part is formed by laying a greening bag on a slope by stacking the end housing parts and stacking. A greening method characterized by forming a girder for reinforcing a slope by filling a solidifying material into the greenhouse.
【０００６】[0006]
【発明の実施の形態１】以下図面を参照しながら本発明
の実施の形態について説明する。 ＜イ＞緑化用袋体（図１，２） 緑化用袋体１０は、底部網状シート材２０と上部網状シ
ート材３０とを積層し、両網状シート材２０，３０の周
縁を接合して、内部に植物生育基材充填用空間である独
立した収容部４０を並列に形成している。Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. <A> Greening bag (FIGS. 1 and 2) The greening bag 10 is formed by laminating the bottom net-like sheet material 20 and the upper net-like sheet material 30 and joining the peripheral edges of both net-like sheet materials 20, 30. Independent storage portions 40, which are spaces for filling a plant growth substrate, are formed in parallel.
【０００７】＜ロ＞底部網状シート材（図２） 緑化用袋体１０の収容部４０の下半を構成する底部網状
シート材２０は、緑化用袋体１０の基体となる織物シー
トで、網目を大きくしてある。この場合の『大きい網
目』とは、後述する植物生育基材５０を通過させる寸法
を指す。これは、法面と底部網状シート材２０との間に
形成される間隙６０内に底部網状シート材２０を通じて
植物生育基材５０を充填するためである。<B> Bottom net-like sheet material (FIG. 2) The bottom net-like sheet material 20 which constitutes the lower half of the accommodating part 40 of the greening bag 10 is a woven sheet serving as a base of the greening bag 10 and has a mesh. Has been enlarged. In this case, the “large mesh” refers to a dimension that allows passage of a plant growth substrate 50 described later. This is because the plant growth base material 50 is filled through the bottom net-like sheet material 20 into the gap 60 formed between the slope and the bottom net-like sheet material 20.
【０００８】＜ハ＞上部網状シート材（図２） 上部網状シート材３０は、収容部４０の上半を構成する
織物シートで、その網目寸法は底部網状シート材２０よ
り小さい。上部網状シート材３０の網目寸法は、後述す
る植物生育基材５０を通過させない寸法であり、かつ、
水分の透過と双子葉科の植生植物７０の出芽を許容する
寸法を指し、例えば２ｍｍ〜１５ｍｍの間が望ましく、
特に５ｍｍ程度の網目寸法が好適である。<C> Upper Reticulated Sheet Material (FIG. 2) The upper reticulated sheet material 30 is a woven sheet constituting the upper half of the accommodating portion 40 and has a mesh size smaller than that of the bottom reticulated sheet material 20. The mesh size of the upper net-like sheet material 30 is a size that does not pass through a plant growth base material 50 described below, and
Refers to the dimensions that allow the permeation of water and the emergence of dicotyledon vegetation 70, for example, preferably between 2mm ~ 15mm,
Particularly, a mesh size of about 5 mm is preferable.
【０００９】＜ニ＞収容部（図１、３） 緑化用袋体１０は、重ね合わせた底部網状シート材２０
と上部網状シート材３０の周縁を縫合または接着により
接合すると共に両網状シート材２０，３０間を一定間隔
を隔てて縦方向に接合して、縦方向に連続空間を有する
複数の収容部４０を並列状に形成している。各収容部４
０の一方の端部（下端）４１は閉塞処理し、他方の端部
（上端）４２はその一部または全部を植物生育基材５０
の注入口として開放しておく。各収容部４０を構成する
両網状シート材２０，３０の間は、収容部４０の変形を
一定に抑えるため糸材８０で接続してある。<D> Storage Unit (FIGS. 1 and 3) The greening bag 10 is formed by overlapping the bottom net-like sheet material 20.
The peripheral edge of the upper net-like sheet material 30 is joined by stitching or bonding, and the two net-like sheet materials 20 and 30 are vertically joined at a predetermined interval to form a plurality of storage sections 40 having a continuous space in the vertical direction. They are formed in parallel. Each accommodation part 4
0 has one end (lower end) 41 subjected to a closing process, and the other end (upper end) 42 has a part or all of the plant growth base material 50.
Leave open as an inlet for. The thread members 80 are connected between the two net-like sheet members 20 and 30 constituting each of the housing portions 40 in order to keep the deformation of the housing portions 40 constant.
【００１０】＜ホ＞植物生育基材（図４） 植物生育基材を収容部４０へ充填するにあたって、緑化
用袋体１０を構成する上部網状シート材３０の網目が大
きいことから、従来のような泥状の土をそのまま注入す
ると上部網状シート材３０の網目から漏出してしまう。
そこで、植物生育基材５０として土、肥料、団粒化剤、
短繊維、用水および植生植物７０の種子などを混合した
ものを用いる。泥状の植物生育基材５０に団粒化剤を適
当な割合で混合して団粒化させることで、上部網状シー
ト材３０の網目から植物生育基材５０が漏出することを
効果的に阻止する。この場合の団粒化した植物生育基材
５０は、前述した底部網状シート材２０の網目を通過で
き、上部網状シート材３０の網目を通過せずに団粒化す
るように、団粒化剤や短繊維の混入量を調節する。<E> Plant Growth Substrate (FIG. 4) When filling the plant growth substrate into the housing section 40, the mesh of the upper net-like sheet material 30 constituting the greening bag 10 is large. If such muddy soil is poured as it is, it will leak from the mesh of the upper mesh sheet material 30.
Therefore, soil, fertilizer, agglomerating agent,
A mixture of short fibers, water, seeds of the vegetation 70 and the like is used. By mixing the aggregating agent in the muddy plant growth base material 50 at an appropriate ratio and aggregating the mixture, the leakage of the plant growth base material 50 from the mesh of the upper net-like sheet material 30 is effectively prevented. I do. The agglomerated plant growth base material 50 in this case can pass through the mesh of the bottom net-like sheet material 20 described above, and agglomerate without passing through the mesh of the top net-like sheet material 30. And the amount of short fibers mixed.
【００１１】団粒化剤は、余剰水をフロック内に取り込
み、外圧がかかってもフロックが変形されないタイプの
カチオン系（陽イオン系）又はノニオン系（非イオン
系）又はアニオン系（陰イオン系）の有機系の高分子団
粒化剤を指す。団粒化剤としては、例えば硫酸バンド、
塩化アルミニウム、ポリアクリル酸ソーダ、ポリアクリ
ルアミド、アクリルアミド・アクリル酸塩共重合物、ア
クリルアミド・アクリルアミド−２メチルプロパンスル
ホン酸塩共重合物、ジメチルアミノエチル（メタ）アク
リレートの塩または４級化物の（共）重合体、ジメチル
アミノプロピル（メタ）アクリルアミドの塩または４級
化物の（共）重合体、ポリアクリルアミド変性物、キト
サン塩、ポリアミジン、アルギン酸塩などが挙げられ
る。The aggregating agent takes in excess water into the floc, and does not deform the floc even when an external pressure is applied. The cationic (cationic) or nonionic (nonionic) or anionic (anionic) ) Refers to an organic polymer aggregating agent. Examples of the aggregating agent include a sulfate band,
Aluminum chloride, sodium polyacrylate, polyacrylamide, acrylamide / acrylate copolymer, acrylamide / acrylamide-2-methylpropanesulfonate copolymer, dimethylaminoethyl (meth) acrylate salt or quaternary (copolymer) ) Polymers, dimethylaminopropyl (meth) acrylamide salts or quaternary (co) polymers, modified polyacrylamides, chitosan salts, polyamidines, alginates and the like.
【００１２】さらに短繊維を混入することにより、上部
網状シート材３０の網目からの植物生育基材５０の漏出
を防止し、更に植物生育基材５０の補強を図り、土塊の
形状保持を行うと共に、植生植物の根付きを良好にす
る。短繊維としては、例えば天然繊維、化学繊維、合成
繊維等様々なものを使用できる。短繊維の長さとしては
約５ｍｍ〜６０ｍｍの範囲が好ましい。短繊維の長さが
５ｍｍ以下では土塊の形状保持機能が乏しくなって上部
網状シート材３０の網目から植物生育基材５０が流出し
易くなる。また短繊維の長さが６０ｍｍ以上であると植
物生育基材５０に添加した場合に短繊維の分散性が悪化
し、均一に混入することが困難となる。Further, by mixing short fibers, it is possible to prevent the leakage of the plant growth base material 50 from the mesh of the upper net-like sheet material 30, prevent reinforcement of the plant growth base material 50, and maintain the shape of the earth mass. To improve rooting of vegetation. Various fibers such as natural fibers, chemical fibers, and synthetic fibers can be used as the short fibers. The length of the short fibers is preferably in the range of about 5 mm to 60 mm. When the length of the short fibers is 5 mm or less, the function of retaining the shape of the earth mass is poor, and the plant growth base material 50 easily flows out of the mesh of the upper net-like sheet material 30. When the length of the short fiber is 60 mm or more, when added to the plant growth substrate 50, the dispersibility of the short fiber deteriorates, and it becomes difficult to uniformly mix the short fiber.
【００１３】つぎに緑化用袋体を用いた緑化方法につい
て説明する。Next, a greening method using a greening bag will be described.
【００１４】＜イ＞緑化用袋体の設置 図１，３に示すように緑化用袋体１０を緑化予定の法面
に敷設する。この際、各収容部４０の開口側を法面の上
位に位置させ、各収容部４０を法面の傾斜に沿わせて敷
設する。各収容部４０が法面に対して縦向きになるよう
に緑化用袋体１０を配置したら、アンカー等を打設して
法面に固定する。<A> Installation of Greening Bag As shown in FIGS. 1 and 3, a greening bag 10 is laid on a slope to be greened. At this time, the opening side of each accommodation section 40 is positioned above the slope, and each accommodation section 40 is laid along the slope of the slope. After arranging the greening bag 10 so that each of the storage portions 40 is oriented vertically with respect to the slope, an anchor or the like is cast and fixed to the slope.
【００１５】＜ロ＞植物生育基材の充填 つぎに緑化用袋体１０を構成する各収容部４０の開口し
ている端部４２より植物生育基材５０の充填を開始す
る。植物生育基材５０は各収容部４０の内部を法面の下
流側に向けて自重で流下することから低圧注入により効
率良く充填できる。各収容部４０内に充填された植物生
育基材５０の一部は、植物生育基材５０の透過を許容す
る網目の底部網状シート材２０を通過して、底部網状シ
ート材２０と法面との間の間隙６０に充填される。また
注入した植物生育基材５０が団粒状となるため、上部網
状シート材３０の網目からの漏出が阻止される。<B> Filling of Plant Growth Substrate Next, the filling of the plant growth substrate 50 is started from the open end 42 of each of the housing portions 40 constituting the greening bag 10. Since the plant growth base material 50 flows down by its own weight toward the downstream side of the slope, the inside of each of the storage portions 40 can be efficiently filled by low-pressure injection. A part of the plant growth base material 50 filled in each of the storage portions 40 passes through the bottom net-like sheet material 20 of the mesh that allows the permeation of the plant growth base material 50, and Is filled in the gap 60 between them. In addition, since the injected plant growth base material 50 is aggregated, leakage of the upper mesh sheet material 30 from the mesh is prevented.
【００１６】＜ハ＞植生植物の成長 従来緑化に用いられた袋体は、植物生育基材の漏れを防
止するため網目が非常に密な織物であったため、植生植
物が袋体を透過して地上へ伸びることが困難な環境であ
り、また従来の植物生育基材は泥状であるから充填後に
土粒間の間隙が少なく十分な通気性を確保することが困
難であった。<C> Growth of vegetation plants The bags used in the past for greening are very densely woven to prevent leakage of the plant growth base material. It is an environment in which it is difficult to extend to the ground, and since the conventional plant growth base material is mud-like, it has been difficult to ensure sufficient air permeability due to small gaps between soil grains after filling.
【００１７】これに対して本発明では、植物生育基材５
０が充填後も団粒構造を呈するため、内部に適度の微小
空隙を確保すると共に、植生植物７０の乾燥原因となる
間隙６０を解消し、植生植物７０の生育環境として良好
な通気性や保水性および排水性が確保されている。した
がって、従来と比べ根腐れや根の乾燥を回避して根付性
がよいだけでなく、底部網状シート材２０の大きな網目
を透過した植生植物７０の根系が容易に地山や地山の割
れ目等に侵入し易くなる。植物生育基材５０は植生植物
７０の生育により保持されて法面と一体化する。また植
生植物７０の地上部については団粒状の植物生育基材５
０を押し除け、さらに上部網状シート材３０の網目を抜
け出る。尚、植生植物７０としては従来のイネ科（牧
草、芝生類）の植物だけでなく、双子葉植物（草花、木
本類）による緑化が可能であり、法面の景観を更に良好
にすることができる。On the other hand, in the present invention, the plant growth substrate 5
Since 0 has a aggregated structure even after filling, it secures an appropriate minute void inside and eliminates the gap 60 which causes drying of the vegetation plant 70, and has good air permeability and water retention as a growth environment of the vegetation plant 70. And drainage are ensured. Therefore, not only root rot and drying of the roots are avoided as compared with the related art, but also rooting is good, and the root system of the vegetation 70 that has penetrated the large mesh of the bottom net-like sheet material 20 can easily be ground or cracks in the ground. Easier to invade. The plant growth base material 50 is retained by the growth of the vegetation plant 70 and is integrated with the slope. For the above-ground part of the vegetation plant 70, the aggregated plant growth substrate 5
0 is pushed out and the mesh of the upper mesh sheet material 30 is further removed. The vegetation 70 can be greened by not only conventional grasses (grasses and lawns) but also dicotyledons (flowers and woody plants) to further improve the landscape of the slope. Can be.
【００１８】[0018]
【発明の実施の形態２】前記した実施の形態１は緑化用
袋体１０を構成する底部網状シート材２０と上部網状シ
ート材３０とを非腐食性繊維で構成する場合について説
明したが、少なくとも上部網状シート材３０に、水分を
含むことにより糸が膨脹（拡径）する例えばランシール
などの公知の水膨性繊維を用いて構成しても良い。水膨
性繊維の使用形態としては、上部網状シート材３０のす
べてを水膨性繊維で構成するか、或いは非腐食性繊維と
混繊させて構成する。いずれの場合も、上部網状シート
材３０の網目条件は、前記した実施の形態１と同様に荒
目に設定する。Second Embodiment In the first embodiment, the case where the bottom net-like sheet material 20 and the top net-like sheet material 30 constituting the greening bag 10 are made of non-corrosive fibers has been described. The upper net-like sheet material 30 may be formed by using a known water-swellable fiber such as Lanseal, which expands (expands the diameter) by containing water. The usage form of the water-swellable fibers is such that the entire upper net-like sheet material 30 is made of water-swellable fibers or mixed with non-corrosive fibers. In any case, the mesh condition of the upper mesh sheet material 30 is set coarsely as in the first embodiment.
【００１９】本実施の形態にあっては、水膨性繊維が吸
水して膨脹すると上部網状シート材３０の網目が小さく
なる。そのため形状が不安定な充填直後の植物生育基材
５０の漏出を効果的に防止できるうえに、保水性も向上
して植生初期の生育環境として望ましい。また水膨性繊
維の乾燥により糸が収縮するとその網目が荒くなるた
め、緑化用植物の発芽時に子葉が外部に出やすくなる。In this embodiment, when the water-swellable fibers absorb water and expand, the mesh of the upper net-like sheet material 30 becomes smaller. Therefore, leakage of the plant growth base material 50 immediately after filling, which has an unstable shape, can be effectively prevented, and water retention is also improved, which is desirable as a growth environment in the early stage of vegetation. Further, when the yarn shrinks due to drying of the water-swelling fiber, the mesh becomes rough, so that the cotyledons are easily exposed to the outside at the time of germination of the plant for greening.
【００２０】[0020]
【発明の実施の形態３】緑化用袋体１０を構成する各網
状シート材２０，３０は、非腐食性繊維に腐食性繊維を
編み込んだものでもよい。腐食性繊維は植物生育基材の
形状が安定するまでは腐食せずに網目の形態を維持し、
所定期間経過後に腐食する性質の公知の素材を使用でき
る。Third Embodiment Each of the net-like sheet materials 20 and 30 constituting the greening bag 10 may be made of a non-corrosive fiber and a corrosive fiber woven. The corrosive fiber maintains the form of the mesh without corroding until the shape of the plant growing substrate is stable,
A known material having a property of corroding after a predetermined period has elapsed can be used.
【００２１】腐食性繊維を使用するのはつぎの理由によ
る。一般に肥大成長する木本類は、幹の成長過程で何等
かの障害物、例えばネット等に接触すると障害物を幹に
食い込ませたように障害物を避けて成長する性質があ
る。そのため、幹の食い込み箇所が弱点となり、台風等
によって折れてしまう。 緑化用袋体の一部又は全部に
腐食性繊維を用いれば、このような幹の弱点部の発生を
回避して植物の生育を阻害しないで済む。The use of corrosive fibers is based on the following reasons. In general, woody plants that grow and grow large have a property that, when they come into contact with some obstacles, such as a net, in the growth process of the trunk, they avoid the obstacles and grow so as to avoid the obstacles. For this reason, the biting portion of the trunk becomes a weak point and is broken by a typhoon or the like. If corrosive fibers are used for a part or the whole of the greening bag, the generation of such a weak portion of the trunk can be avoided and the growth of the plant can be prevented.
【００２２】[0022]
【発明の実施の形態４】緑化用袋体１０を構成する各網
状シート材は、既述した腐食性繊維と水膨性繊維とを編
み込んだものでもよい。本実施の形態にあっては、腐食
性繊維が腐食した後も植物生育基材の形状を維持できる
だけの水膨性繊維を混入させておくとよい。これにより
網状シート材の一部を構成する腐食性繊維が腐食すると
網状シート材の網目がより大きくなり、植物の生育を阻
害する心配がなくなる。網状シート材の一部を構成する
水膨性繊維は、植物生育基材の漏出を防止すると共に、
その高い保水性により植物生育基材の乾燥を防止する。[Fourth Embodiment] Each net-like sheet material forming the greening bag 10 may be made by knitting the corrosive fibers and the water-swellable fibers described above. In the present embodiment, it is preferable to mix water-swellable fibers that can maintain the shape of the plant growth substrate even after the corrosive fibers are corroded. As a result, when the corrosive fibers constituting a part of the net-like sheet material are corroded, the mesh of the net-like sheet material becomes larger, and there is no fear of inhibiting the growth of the plant. The water-swellable fibers constituting a part of the net-like sheet material prevent leakage of the plant growth base material,
Its high water retention prevents drying of the plant growth substrate.
【００２３】[0023]
【発明の実施の形態５】図５は緑化用袋体１０の一部に
モルタル等の固化材を充填する他の形態を示す。 本実
施の形態では、緑化用袋体１０の左右の両端部又は一端
部に、網目を密にした固化材充填用の収容部を形成した
ものを使用する。固化材充填用の収容部を形成するに
は、緑化用袋体１０を構成する網状シート材の縦糸ピッ
チを狭くすることで固化材の流出を阻止できる程度に網
目を密に形成することができる。そして、端部の収容部
を重合させて複数の緑化用袋体１０を法面に敷設し、重
合する上位の固化材充填用の収容部にモルタル等の固化
材を充填して法面補強用の補強桁９０を形成する。本実
施の形態にあっては、法面の補強が図れると共に、緑化
用袋体１０の法面への固定を一層強固なものとすること
ができる。尚、補強桁９０にアンカー等（図示せず）を
打設して、緑化用袋体１０を法面に予め固定させておい
てもよい。Embodiment 5 FIG. 5 shows another embodiment in which a part of the greening bag 10 is filled with a solidifying material such as mortar. In the present embodiment, a bag having a dense mesh for accommodating a solidified material is formed at both left and right ends or one end of the greening bag 10. In order to form the accommodating portion for filling the solidified material, the mesh can be formed densely enough to prevent the solidified material from flowing out by narrowing the warp pitch of the mesh sheet material constituting the bag 10 for greening. . Then, a plurality of greening bags 10 are laid on the slope by polymerizing the end accommodating portions, and a solidifying material such as mortar is filled in the accommodating portion for filling the higher-order solidifying material to be polymerized to reinforce the slope. Is formed. In the present embodiment, the slope can be reinforced, and the fixing of the greening bag 10 to the slope can be further strengthened. In addition, an anchor or the like (not shown) may be cast on the reinforcing girder 90 to fix the greening bag 10 to the slope in advance.
【００２４】[0024]
【発明の実施の形態６】乾燥状態の植物生育基材５０を
エア圧送して緑化用袋体１０内に充填する場合もある。
緑化用袋体１０は既述した実施の形態１〜５と同様に通
気性を有する網体で構成されている。そのため、土、肥
料、短繊維および種子等を混合した乾燥状態の植物生育
基材５０を公知のブロア等で圧送すると、エアだけが緑
化用袋体１０の網目を通じて外部へ排出され、圧送され
た乾燥状態の植物生育基材５０が緑化用袋体１０の内部
に残留することになり、効率良く植物生育基材５０を充
填できる。 最後に、緑化用袋体１０の外部より乾燥状
態の植物生育基材５０に加水すると、予め含水させて泥
状とした植物生育基材５０を充填した場合と同じ状態に
なる。[Embodiment 6] In some cases, the plant growth base material 50 in a dry state is fed into the greening bag 10 by air pressure.
The greening bag 10 is formed of a net having air permeability as in the first to fifth embodiments. Therefore, when the dry plant growth base material 50 in which soil, fertilizer, short fibers, seeds, and the like were mixed was pumped by a known blower or the like, only air was discharged to the outside through the mesh of the greening bag 10 and pumped. The dried plant growth substrate 50 remains inside the greening bag 10, and the plant growth substrate 50 can be efficiently filled. Finally, when water is added to the plant growth base material 50 in a dry state from the outside of the pouch 10 for greening, the state becomes the same as the case where the plant growth base material 50 which has been made to contain water in advance and is made muddy is filled.
【００２５】[0025]
【発明の効果】本発明は以上説明したようになるから次
のような効果を得ることができる。 ＜イ＞ これまでは緑化用袋体を構成する網状シート材
の網目を小さくして植物生育基材の漏出防止効果を高め
ると植生植物の発芽性、生育性が悪化し、反対に網状シ
ート材の網目を大きくして植生植物の発芽性、生育性に
配慮すると植物生育基材の漏出の問題があった。本発明
では、植物生育基材を団粒構造とすることで、植生植物
の発芽性と植物生育基材の漏出防止の両課題を同時に達
成することができる。 ＜ロ＞ 緑化用袋体を網目の粗い網状シート材で構成す
ることで、袋体に良好な通気性および排水性を確保で
き、さらに植物生育基材が団粒構造を呈することで、植
物生育基材内部に適度の通気性、保水性、排水性を付与
できると共に、植物生育基材が緑化用袋体を構成する底
部網状シート材を透過して地山との間の隙間をなくし、
植生植物の根腐れや乾燥にる枯死を防止して、これまで
にない良好な植物環境を提供できる。 ＜ハ＞ 緑化用袋体を構成する上部網状シート材が、従
来のシート材と比較して網目を大きくできるため、これ
まで植生が困難とされてきた葉の大きな双子葉植物の緑
化が可能となる。 ＜ニ＞ 緑化用袋体の上流側から植物生育基材の自重を
利用して隅々まで充填できるので、従来に比べて充填圧
力が低くなり、袋体の破損事故を防止できるうえに、植
物生育基材が密実に充填されることを回避できる。 ＜ホ＞ 上部網状シート材のすべてを水膨性繊維で構成
するか、或いは非腐食性繊維と混繊させて構成すると、
水膨性繊維が吸水膨脹して上部網状シート材の網目を小
さくして、充填直後の形状が不安定な植物生育基材の漏
出防止効果が高くなり、さらに保水性も向上して植生初
期の生育環境として望ましい。また水膨性繊維の乾燥に
より糸が収縮すると網目が荒くなり、緑化用植物の発芽
時に子葉が外部に出やすくなる。 ＜へ＞ 緑化用袋体を構成する各網状シート材を非腐食
性繊維と腐食性繊維で編成して構成すると、植物生育基
材の形状が安定した後に腐食して網目がより大きくなる
ため、植物の生育を阻害しないで済む。 ＜ト＞ 緑化用袋体の端部に、網目を密にした固化材充
填用の収容部を形成し、重合させて法面に敷設した緑化
用袋体の端部の上位の固化材充填用の収容部に固化材を
充填して法面補強用の桁を形成すると、法面の補強が図
れると共に、緑化用袋体の法面への固定を一層強固なも
のとすることができる。As described above, the present invention has the following effects. <B> Until now, if the mesh of the net-like sheet material constituting the greening bag was made smaller to increase the effect of preventing the leakage of the plant growth base material, the germination and growth of the vegetation plants would deteriorate, and conversely, the net-like sheet material When the germination and viability of vegetation plants are taken into consideration by enlarging the mesh of the vegetation, there is a problem of leakage of the plant growth substrate. In the present invention, by forming the plant growth base material into the aggregated structure, both problems of germination of the vegetation plant and prevention of leakage of the plant growth base material can be achieved at the same time. <B> By forming the greening bag from a mesh-like net-like sheet material, good air permeability and drainage can be ensured in the bag, and the plant growth base material has an aggregated structure, which enables plant growth. Adequate air permeability, water retention, and drainage can be imparted to the inside of the base material, and the plant growth base material penetrates the bottom net-like sheet material constituting the greening bag to eliminate the gap between the ground and the ground.
The present invention can provide a better plant environment than ever before by preventing root decay and dry dying of vegetation plants. <C> Because the upper mesh sheet material that constitutes the greening bag can have a larger mesh than conventional sheet materials, it is possible to green large dicotyledonous plants that have been difficult to vegetate. Become. <D> Since the filling can be made to every corner from the upstream side of the greening bag using the weight of the plant growth base material, the filling pressure is lower than in the past, and it is possible to prevent the bag from being damaged and to prevent the plant from being damaged. It is possible to prevent the growth base material from being densely filled. <E> If all of the upper net-like sheet material is made of water-swellable fiber or mixed with non-corrosive fiber,
The water-swelling fiber absorbs and expands, reducing the mesh of the upper net-like sheet material, increasing the effect of preventing leakage of the plant growth base material whose shape is unstable immediately after filling, and improving the water retention and improving the early vegetation. Desirable as a growth environment. In addition, when the yarn shrinks due to drying of the water-swelling fiber, the mesh becomes rough, and cotyledons are easily exposed to the outside when the greening plant germinates. <To> If each net-like sheet material constituting the greening bag is knitted with non-corrosive fibers and corrosive fibers, it becomes corroded after the shape of the plant growth base material becomes stable and the mesh becomes larger, It does not interfere with plant growth. <G> At the end of the greening bag, a container for filling the solidified material with a dense mesh is formed, and the upper part of the greening bag, which is polymerized and laid on the slope, is filled with the solidified material. When the solidification material is filled in the accommodating portion to form a girder for reinforcing the slope, the slope can be reinforced and the fixation of the greening bag to the slope can be further strengthened.
【図１】 実施の形態１に係るの緑化用袋体の斜視図FIG. 1 is a perspective view of a greening bag according to a first embodiment.
【図２】 実施の形態１に係る緑化用袋体の縦断面図FIG. 2 is a longitudinal sectional view of a greening bag according to the first embodiment.
【図３】 実施の形態１に係る緑化用袋体の横断面図FIG. 3 is a cross-sectional view of the greenery bag according to the first embodiment.
【図４】 実施の形態１に係る植物生育基材の説明図FIG. 4 is an explanatory diagram of a plant growth substrate according to the first embodiment.
【図５】 実施の形態４に係る連結した緑化用袋体の斜
視図FIG. 5 is a perspective view of a connected greening bag according to a fourth embodiment.
１０……緑化用袋体 ２０……底部網状シート材 ３０……上部網状シート材 ４０……植物生育基材充填用の収容部 ５０……植物生育基材 ６０……隙間 ７０……植生植物 ８０……糸材 ９０……補強桁 DESCRIPTION OF SYMBOLS 10 ... Greening bag 20 ... Bottom net-like sheet material 30 ... Top net-like sheet material 40 ... Housing part for filling a plant growth base material 50 ... Plant growth base material 60 ... Gap 70 ... Vegetation plant 80 …… Thread material 90 …… Reinforcing girder
Claims (14)
らなり、 法面の上下方向に連続する、植物生育基材を充填するた
めの収容部を形成したことを特徴とする、 緑化用袋体。1. A bag for slope greening, comprising: a bottom mesh sheet covering the slope; and an upper mesh sheet covering the bottom mesh sheet, and are continuous in a vertical direction of the slope. A bag for greening, characterized by forming an accommodation portion for filling a plant growth substrate.
底部網状シート材の網目寸法を、前記収容部に充填する
植物生育基材が透過する大きさに形成したことを特徴と
する、緑化用袋体。2. The greening bag according to claim 1, wherein a mesh size of the bottom net-like sheet material is formed to a size that allows a plant growth base material to be filled in the housing portion to pass through. Bags.
載の緑化用袋体において、前記上部網状シート材の網目
寸法を底部網状シート材より小さく形成したことを特徴
とする、緑化用袋体。3. The greening bag according to claim 1, wherein the mesh size of the upper net-like sheet material is formed smaller than that of the bottom net-like sheet material. .
載の緑化用袋体において、前記上部網状シート材の網目
寸法を２ｍｍ〜１５ｍｍに形成したことを特徴とする、
緑化用袋体。4. The greening bag according to claim 1, wherein a mesh size of the upper net-like sheet material is 2 mm to 15 mm.
Greening bag.
載の緑化用袋体において、法面を被覆する底部網状シー
ト材と前記底部網状シート材を被覆する上部網状シート
材とにより、法面の上下方向に連続する、植物生育基材
を充填するための収容部を複数隣接して形成することを
特徴とする、緑化用袋体。5. The greening bag according to any one of claims 1 to 4, wherein the bottom net-like sheet material covering the slope and the upper net-like sheet material covering the bottom net-like sheet material have a slope. A greening bag, characterized by forming a plurality of adjacent storage portions for filling a plant growth base material, which are vertically continuous with each other.
載の緑化用袋体において、前記上部網状シート材を非腐
食性繊維で構成したことを特徴とする、緑化用袋体。6. The greening bag according to claim 1, wherein the upper net-like sheet material is made of non-corrosive fibers.
載の緑化用袋体において、前記上部網状シート材を非腐
食性繊維と腐食性繊維とにより構成したことを特徴とす
る、緑化用袋体。7. The greening bag according to claim 1, wherein the upper net-like sheet material is made of non-corrosive fibers and corrosive fibers. body.
載の緑化用袋体において、前記上部網状シート材を非腐
食性繊維と水膨性繊維とにより構成したことを特徴とす
る、緑化用袋体。8. The greening bag according to claim 1, wherein the upper net-like sheet material is made of non-corrosive fibers and water-swellable fibers. Bag.
載の緑化用袋体において、前記上部網状シート材を非腐
食性繊維と腐食性繊維と水膨性繊維とにより構成したこ
とを特徴とする、緑化用袋体。9. The greening bag according to any one of claims 1 to 5, wherein the upper net-like sheet material is constituted by non-corrosive fibers, corrosive fibers and water-swellable fibers. A greening bag.
記載の緑化用袋体において、当該袋体の端部に連続空間
を有する固化材注入用の収容部を形成し、前記固化材注
入用の収容部を密に編んだ織物で形成したことを特徴と
する、緑化用袋体。10. The greening bag according to any one of claims 1 to 5, wherein an end portion of the bag body is provided with a receiving portion having a continuous space for solidification material injection, and the solidification material injection portion is provided. A greening bag characterized in that the accommodating portion is formed of a densely woven fabric.
て緑化する緑化方法において、 請求項１乃至請求項１０のいづれかに記載の緑化用袋体
を使用し、 前記複数の緑化用袋体を法面上に敷設し、 前記緑化用袋体の収容部の開放端より土、肥料、種子等
の植物生育基材を充填し、 緑化用袋体を構成する底部網状シート材を透過させて根
系を這わせると共に、上部網状シート材を通過させて植
生することを特徴とする、 緑化方法。11. A greening method in which a greening bag is filled with a plant growth base and greening is performed, using the greening bag according to any one of claims 1 to 10, wherein the plurality of greening bags are used. Laying the body on the slope, filling the plant growth base material such as soil, fertilizer, seeds, etc. from the open end of the storage part of the greening bag, and allowing the bottom net-like sheet material constituting the greening bag to penetrate A tree planting method characterized by crawling the root system and vegetation through an upper mesh sheet material.
て、緑化用袋体の収容部の開放端部より、水、団粒化
剤、土、肥料、種子等からなる泥状の植物生育基基材を
充填することを特徴とする、緑化方法。12. The greening method according to claim 11, wherein a muddy plant growth base comprising water, agglomerating agent, soil, fertilizer, seeds, etc., is formed from an open end of a storage portion of the greening bag. A greening method characterized by filling a material.
に記載の緑化方法において、短繊維の混入した植物生育
基材を緑化用袋体に充填することを特徴とする、緑化方
法。13. The greening method according to claim 11, wherein a plant growth base mixed with short fibers is filled in a greening bag.
に記載の緑化方法において、端部の収容部を重合させて
緑化用袋体を法面に敷設し、重合する上位の収容部に固
化材を充填して法面補強用の桁を形成することを特徴と
する、緑化方法。14. The greening method according to any one of claims 11 to 13, wherein the accommodating portion at the end portion is superimposed, the greening bag is laid on the slope, and the solidified material is provided in the superimposed upper accommodating portion. A greening method, characterized by forming a girder for reinforcing a slope by filling with a filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31429096A JP3328797B2 (en) | 1996-11-11 | 1996-11-11 | Greening bag and greening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31429096A JP3328797B2 (en) | 1996-11-11 | 1996-11-11 | Greening bag and greening method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10136775A true JPH10136775A (en) | 1998-05-26 |
| JP3328797B2 JP3328797B2 (en) | 2002-09-30 |
Family
ID=18051591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31429096A Expired - Fee Related JP3328797B2 (en) | 1996-11-11 | 1996-11-11 | Greening bag and greening method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3328797B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169611A (en) * | 1999-12-15 | 2001-06-26 | Nisshoku Corp | Seeding substrate body used for creation of zostera marina bed |
| WO2002021903A1 (en) * | 2000-09-15 | 2002-03-21 | Mario Witte | Method and device for setting of row and grouped cultivations |
| JP2007028908A (en) * | 2005-07-22 | 2007-02-08 | Taisei Corp | Greening structure and method for constructing the same |
| CN103141252A (en) * | 2013-03-04 | 2013-06-12 | 三亚新大兴园林股份有限公司 | Material for slope fixing and virescence and application thereof |
| JP2015121060A (en) * | 2013-12-25 | 2015-07-02 | 株式会社シーマコンサルタント | Pavement structure |
| JP2017198050A (en) * | 2016-04-30 | 2017-11-02 | 日本植生株式会社 | Slope protection tool and slope protection method |
| JP2020109256A (en) * | 2016-04-30 | 2020-07-16 | 日本植生株式会社 | Slope protection tool and slope protection method |
| JP2022009828A (en) * | 2016-04-30 | 2022-01-14 | 日本植生株式会社 | Slope protection tool and slope protection method |
-
1996
- 1996-11-11 JP JP31429096A patent/JP3328797B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169611A (en) * | 1999-12-15 | 2001-06-26 | Nisshoku Corp | Seeding substrate body used for creation of zostera marina bed |
| WO2002021903A1 (en) * | 2000-09-15 | 2002-03-21 | Mario Witte | Method and device for setting of row and grouped cultivations |
| JP2007028908A (en) * | 2005-07-22 | 2007-02-08 | Taisei Corp | Greening structure and method for constructing the same |
| CN103141252A (en) * | 2013-03-04 | 2013-06-12 | 三亚新大兴园林股份有限公司 | Material for slope fixing and virescence and application thereof |
| JP2015121060A (en) * | 2013-12-25 | 2015-07-02 | 株式会社シーマコンサルタント | Pavement structure |
| JP2017198050A (en) * | 2016-04-30 | 2017-11-02 | 日本植生株式会社 | Slope protection tool and slope protection method |
| JP2020109256A (en) * | 2016-04-30 | 2020-07-16 | 日本植生株式会社 | Slope protection tool and slope protection method |
| JP2022009828A (en) * | 2016-04-30 | 2022-01-14 | 日本植生株式会社 | Slope protection tool and slope protection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3328797B2 (en) | 2002-09-30 |
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