JP3856998B2 - Planting methods for planting seedlings such as cut slopes, hard rock slopes, mortar spraying layers, etc. - Google Patents
Planting methods for planting seedlings such as cut slopes, hard rock slopes, mortar spraying layers, etc. Download PDFInfo
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- JP3856998B2 JP3856998B2 JP29430199A JP29430199A JP3856998B2 JP 3856998 B2 JP3856998 B2 JP 3856998B2 JP 29430199 A JP29430199 A JP 29430199A JP 29430199 A JP29430199 A JP 29430199A JP 3856998 B2 JP3856998 B2 JP 3856998B2
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- 239000004570 mortar (masonry) Substances 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 14
- 239000011435 rock Substances 0.000 title claims description 12
- 238000005507 spraying Methods 0.000 title description 5
- 239000000463 material Substances 0.000 claims description 24
- 239000011810 insulating material Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 229920006248 expandable polystyrene Polymers 0.000 claims description 6
- 239000004794 expanded polystyrene Substances 0.000 claims description 6
- 239000004848 polyfunctional curative Substances 0.000 claims description 3
- 239000012615 aggregate Substances 0.000 claims description 2
- 239000008400 supply water Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 239000002689 soil Substances 0.000 description 22
- 241000196324 Embryophyta Species 0.000 description 20
- 238000010276 construction Methods 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【0001】
【産業上の利用分野】
本発明は切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽方法及びその草木苗を植栽した緑化法面並びに草木苗植栽用客土袋に関し、法面に客土袋を設置して植栽を行う工事において、大気に晒される表面側と地山に接触する裏面側の構造又は部材や材質を変えることによって、植栽植物の根の活着を確実にすると共に生育促進を図ることを目的とする。
【0002】
【従来の技術】
近年、法面を自然環境や人間環境の修復の場にしようとする気運が高まり、法面の樹林化が進められようとしている。この場合、播種による樹林化の方法も採られているが、まだまだ問題も多く、低木植栽による方法に頼らざるを得ないのが現状である。
【0003】
【発明が解決しようとする課題】
ところが、従来の既設法面には、本発明の出願人等が提供した所謂グリーンポケット工法(例えば特許第222569号「特公平2−52050号」、実用新案登録第1947806号「実公平4−15797号」)等があり、その緑化実績も上がっている。モルタル吹付による客土袋の開口部を巾着状に絞る密閉施工のため、水分保持がよく乾燥に対してもかなり強い。しかしながら、客土袋の設置や吹付施工等の施工手間や機械の経費もかなり要することになる。
また、土のう等の客土袋を設置してポットで育成した苗を植栽する方法も多く行われているが、乾燥に対する対策はあまり講じていなかったのが実情である。
【0004】
【課題を解決するための手段】
そこで、本発明は発明の目的を達成し、且つ従来技術の課題を解決するために提供するものである。
本発明の第1は、切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽方法において、植栽用の開口部を有する客土用袋体の大気に晒される面を断熱素材を収納する耐腐食性シートで作製すると共に、法面に接触する裏面を植栽した植物の根が生育によって通過し、且つ地山からの水分が供給できる素材で作製し、前記袋体を法面に設置し、開口部において植栽をするようにしたものである。
【0005】
本発明の第2は、切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽方法において、巾着状の開口部を有する客土用袋体の大気に晒される面を断熱素材を収納する耐腐食性シートで作製すると共に、法面に接触する裏面を植栽した植物の根が生育によって通過し、且つ地山からの水分が供給できる素材で作製し、前記袋体を設置する部位の法面の水平方向に保水孔をあけ、その保水孔内に保水ロープや紐その他の保水性部材を挿入するようにしておくものである。
【0006】
本発明の第3は、切土法面、硬質岩盤法面、モルタル吹付層等の草木苗を植栽した緑化法面において、巾着状の開口部を有する客土用袋体の大気に晒される面を耐腐食性シートで内外の二重構造に形成し、且つその間に断熱素材を収納し、客土用袋体の裏面を植栽した植物の根が生育によって通過し、且つ水分が通過できる素材で作製して法面に設置し、且つ客土用袋体に対峙する法面の水平方向にあけた保水孔に保水性ロープや紐その他の保水部材を挿入したものである。
【0007】
本発明の第4は、切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽用客土袋において、巾着状の開口部を有する客土用袋体の大気に晒される表面を耐腐食性シートで内外の二重構造に形成し、且つその間に断熱素材を収納し、法面に接触する裏面を植栽した植物の根が生育によって通過すると共に、地山からの水分が補給できる素材で作製したものである。
【0008】
本発明の第5は、第1の発明あるいは第2の発明又は第3の発明もしくは第4の発明に係る切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽方法及びその草木苗を植栽した緑化法面並びに草木苗植栽用客土袋において、客土用袋体の法面に接触する裏面の上方において、法面と裏面との間に吸水兼透水性マットを配置したものである。
【0009】
本発明の第6は、第1の発明あるいは第2の発明又は第3の発明もしくは第4の発明に係る切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽方法及びその草木苗を植栽した緑化法面並びに草木苗植栽用客土袋において、断熱素材として粒状の軽量骨材あるいは発泡スチロールもしくは発泡スチロール減容化材又は砕石もしくは砂利等を用い、前記の断熱素材にセメント等の硬化材を混合したものである。
【0010】
本発明の第7は、第1の発明あるいは第2の発明又は第3の発明もしくは第4の発明に係る切土法面、硬質岩盤法面、モルタル吹付層等の草木苗植栽方法及びその草木苗を植栽した緑化法面並びに草木苗植栽用客土袋において、客土用袋体の下端辺の余剰シートを内側に折り込み、又はその別体の不透水性余剰シートを内側に折り込んだ状態に取付けて水分の貯留部を形成したものである。
【0011】
【実施例】
以下、本発明の実施例を図面を以て説明する。図において、1は地山に植生基盤層を成形した法面、2は法面1に設置するための客土用袋体であり、上部に巾着状の開口部3を有し、且つその袋体の大気や日光に晒される表面4を内側と外側の二重構造41・42の耐腐食性シートとし、その内外の二重構造41・42のシートの間に断熱素材5を収納しておく。
前記の客土用袋体2は、その下端辺の余剰シート44を内側に折り込み、又はその余剰シートを不透水性の別材料で取付けて折り込んで水分の貯留部45を形成してある。
また、前記の断熱素材5としては、粒状の軽量骨材(ALC)あるいは発泡スチロール(EPS)もしくは発泡スチロール減容化材又は砕石もしくは砂利等を用いるものとするが、その他、断熱効果を有するものであればリサイクル素材を用いることも可能である。
また、前記の粒状の断熱素材にさらにセメント等の硬化材を加えて混合したものがある。この内外二重のシートの間に粒状の断熱部材5を収納したときの厚さtは2〜10cm程度に設定してある。また、法面1に接触する裏面43は生育した植物の根が通過し、且つ地山からの水分が補給できる素材で作製してある。6は法面1に設置した客土用袋体2に対峙する部位から当該のり面の水平方向にあけた保水孔、7はその保水孔に収容した保水部材であり、保水性ポリマー材や麻や藁若しくは紙等の材料で縒った保水ロープや紐体を用いるのを可とする。8は客土用袋体2に詰めた客土、9は開口部3から植栽した低木植物、10は法面に設置した客土用袋体2が垂れ下がるのを防止する垂れ止めベルト、11は客土用袋体1を固定するためのアンカーピンである。
【0012】
【具体的な施工例】
上記の実施例に基づく具体的な施工例を説明する。まず、客土用袋体2を設置しようとする法面1の水平方向に単一または複数の保水孔6をあけ、その保水孔内にロープ状又は紐体の保水部材7を挿入しておき、先端部位71を法面1の外に露出しておく。次いで、客土8を詰めた客土用袋体2を、断熱素材5を収納してある表面4を大気に晒される側に向け、且つ裏面43を法面1に設置してアンカーピン11で固定する。また、垂れ止めベルト10を客土用袋体2を抱持して法面1にアンカーピン11で固定する。そして、袋体上部の開口部3から低木植物9を植栽し、その植栽後に巾着状に絞って開口部3を閉塞する。
【0013】
図4及び図5にあっては、客土用袋体2の法面1に接触する裏面43の上方において、法面1と裏面43との間に、吸水兼透水性マット61を配置すると共にアンカーピン11で固定する。前記の吸水兼透水性マット61は、スポンジマット等の緻密な網状体を図5のように厚さ20mm、縦50mm、横150〜200mm程度の大きさに設定してある。この吸水兼透水性マット61により、降雨時に法面1の表面上の流下水を吸水し、客土用客土袋2内に雨水を給水する。そして、余剰水は排水口部位25より下方へ排水される。
また、断熱素材5を粒状の軽量骨材あるいは発泡スチロールもしくは発泡スチロール減容化材又は砕石もしくは砂利等を用い、さらに前記の断熱素材5にセメント等の硬化材を加えて混合したものにあっては、大気に晒される面に雨水等あたって水分が吸収されるとセメント等の硬化材が硬化してその断熱素材5の部分が保型化される。
【0014】
図6にあっては、客土用袋体2の下端辺の余剰シート44を内側に折り込んだ状態になって貯留部45が形成されているため、客土耐の内部に浸透した雨水は排水される際にその水分の一部が貯留される。
【0015】
【発明の効果】
本発明は上記の構造であるから、客土用袋体の表面は大気や日光に晒される度合いがきわめて高いので、乾燥し易い状態にあるが、耐腐食性シートに収納した断熱素材によって水分の放失が防止されて結露が生じるため、客土の機能が十分に発揮される。
また、袋体の法面に設置する裏面側は、植栽植物の生育によって根が裏面のシートを通過して法面側にも侵入して根の活着がより確実になる。
次いで、法面側にあけられた保水孔に挿入されている保水性部材によって、地山の水分が袋体内に安定的に補給され、植栽植物の確実な生育が図れる。
なお、客土用袋体の開口部は植栽後に巾着状に絞って結束するので、その開口部から雑草の種子の侵入を防ぐことができる。
さらに、降雨時に法面の表面上の流下水を上記の吸水兼透水性マットによって吸水し、客土用袋体内に雨水を給水することができる。そして、余剰水は排水口より下方へ流下して排水することができる。その際、一部の水は客土用袋体内の下部の貯留部に溜まって保水に必要な適量の水分を前記の袋体内に保有することができる。
そして、断熱素材を粒状の軽量骨材あるいは発泡スチロールもしくは発泡スチロール減容化材又は砕石もしくは砂利等を用いことによって、在来の法面に設置した客土用袋体を保護するためのモルタル吹付工が不要となり、これによってコストの低減を図ることができる。
しかも、前記の粒状の軽量骨材あるいは発泡スチロールもしくは発泡スチロール減容化材又は砕石もしくは砂利等にさらにセメント等の硬化材を加えて混合したものにあっては、大気に晒される面に雨水等で水分が吸収されるとセメント等の硬化材が硬化してその断熱素材の部分が保型化されるので、設置した客土用袋体の表面側を恰もモルタル吹付工によって保護した状態を得ることができる。
【図面の簡単な説明】
【図1】 本発明に係る切土法面、硬質岩盤法面、モルタル吹付層等に客土袋を設置して低木苗の植栽を施した正面図である。
【図2】 図1の中央縦断面図である。
【図3】 図2における袋体の一部の拡大図である。
【図4】 図1の他の実施例を示す正面図である。
【図5】 図4の中央縦断面図である。
【図6】 図2の袋体下部の他の実施例を示す拡大図である。
【符号の説明】
1 法面
2 客土用袋体
3 袋体の開口部
4 袋体の大気に晒される表面
5 断熱素材
6 法面にあけた保水孔
7 保水性部材
8 客土
9 低木植物
10 垂れ止めベルト
11 アンカーピン
41 袋体の内外二重の外側の面
42 袋体の内外二重の内側の面
43 袋体の法面に接触する裏面
44 余剰シート
45 水分の貯留部
61 給水兼透水性マット[0001]
[Industrial application fields]
The present invention relates to a planting seedling planting method such as a cut slope, a hard rock slope, a mortar spray layer, a greening slope planting the planted seedling, and a soil bag for planting seedlings. In the construction of planting with bags, the roots of planted plants are steadily cultivated and grown by changing the structure or members and materials on the front side exposed to the atmosphere and the back side in contact with natural ground. The purpose is to promote.
[0002]
[Prior art]
In recent years, there has been an increase in the desire to use the slope as a place to restore the natural environment and the human environment, and the forestation of the slope is being promoted. In this case, the method of forestation by sowing has been adopted, but there are still many problems, and the current method is to rely on the method of planting shrubs.
[0003]
[Problems to be solved by the invention]
However, the existing existing methods include the so-called green pocket method (for example, Japanese Patent No. 222569, “Japanese Patent Publication No. 2-52050”, Utility Model Registration No. 1947806, “Japanese Utility Model No. 4-15797” provided by the applicant of the present invention). No.)), etc., and the results of greening have increased. Because of the hermetic construction in which the opening of the customer's bag by mortar spraying is drawn into a purse-like shape, it retains moisture well and is quite strong against drying. However, it will also require considerable labor and machinery costs, such as installation of a sandbag and spraying.
In addition, there are many methods of planting seedlings grown in pots by installing a clay soil bag such as a sandbag, but the reality is that they have not taken much measures against drying.
[0004]
[Means for Solving the Problems]
Therefore, the present invention is provided to achieve the object of the invention and to solve the problems of the prior art.
1st of this invention heat-insulates the surface exposed to the atmosphere of the bag body for customer soil which has the opening part for planting in the planting seedling planting methods, such as a cut slope, a hard bedrock slope, and a mortar spray layer The bag body is made of a corrosion-resistant sheet containing the material, and made of a material through which the roots of the plant planted on the back surface in contact with the slope pass by growth and can supply moisture from the natural ground. It is installed on the slope and planted in the opening.
[0005]
The second aspect of the present invention is a heat insulating material for a plant soil seedling planting method such as a cut slope, a hard rock slope, a mortar spray layer, etc., which is exposed to the atmosphere of a pouch body having a purse-like opening. It is made of a corrosion-resistant sheet that stores the material, and the root of the plant planted on the back surface that contacts the slope is made of a material that can pass through growth and supply moisture from the natural ground, and the bag body is installed. A water retaining hole is formed in the horizontal direction of the slope of the portion to be made, and a water retaining rope, string or other water retaining member is inserted into the water retaining hole.
[0006]
In the third aspect of the present invention, in the greening slope where planted seedlings such as a cut slope, a hard rock slope, and a mortar spray layer are planted, the bag is exposed to the atmosphere of a pouch body having a purse-like opening. The surface is formed into a double structure inside and outside with a corrosion-resistant sheet, and a heat insulating material is housed between them, and the roots of the plant planted on the back of the bag for customer land pass through growth and moisture can pass through. A water retaining rope, string or other water retaining member is inserted into a water retaining hole which is made of a raw material and installed on a slope and which is opened in a horizontal direction on the slope facing the bag for the soil.
[0007]
4th of this invention is the surface exposed to the atmosphere of the bag body for customer soil which has a purse-like opening part in the customer soil bag for planting seedlings of plants, such as a cut slope, a hard rock slope, and a mortar spray layer Is formed into a double structure inside and outside with a corrosion resistant sheet, and a heat insulating material is housed between them, and the plant roots planted on the back surface in contact with the slope pass by growth, and moisture from the natural ground It is made of a material that can be replenished.
[0008]
According to a fifth aspect of the present invention, there is provided a planting method for planting seedlings such as a cut slope, a hard rock slope, a mortar spray layer, and the like according to the first invention, the second invention, the third invention, or the fourth invention. In the planting slope for planting planting seedlings and the customer soil bag for planting plant seedlings, a water-absorbing and water-permeable mat is placed between the slope and the back surface above the rear surface that comes into contact with the slope of the bag. It is arranged.
[0009]
According to a sixth aspect of the present invention, there is provided a method for planting plant seedlings such as a cut slope, a hard rock slope, a mortar spray layer, and the like according to the first invention, the second invention, the third invention or the fourth invention In the greening slope planted with plants and seedlings, and in the soil bag for planting plants and plants, granular lightweight aggregate, expanded polystyrene, expanded polystyrene volume reducing material, crushed stone, gravel, etc. are used as the insulating material, and cement is used as the insulating material. Or the like.
[0010]
According to a seventh aspect of the present invention, there is provided a planting method for planting seedlings such as a cut slope, a hard rock slope, a mortar spray layer, and the like according to the first invention, the second invention, the third invention or the fourth invention Folding the surplus sheet on the lower edge of the bag for the planting soil, or folding the separate impervious surplus sheet on the inside, in the greening slope planted with plants and plants and the planting bags for planting seedlings It is attached in a slanted state to form a water reservoir.
[0011]
【Example】
Embodiments of the present invention will be described below with reference to the drawings. In the figure, 1 is a slope in which a vegetation base layer is formed on a natural ground, 2 is a bag for customer land for installation on slope 1, and has a purse-
The
Further, as the
Further, there is a mixture obtained by adding a hardening material such as cement to the granular heat insulating material. The thickness t when the granular
[0012]
[Specific construction examples]
A specific construction example based on the above embodiment will be described. First, a single or a plurality of
[0013]
In FIG.4 and FIG.5, while arrange | positioning the water absorption and water-
In addition, if the
[0014]
In FIG. 6, since the
[0015]
【The invention's effect】
Since the present invention has the above-described structure, the surface of the bag for home soil is extremely dry because it is exposed to the atmosphere and sunlight, but it is easy to dry. Since the loss is prevented and condensation occurs, the function of the land is fully demonstrated.
In addition, on the back side to be installed on the slope of the bag body, the roots pass through the sheet on the back side by the growth of the planted plant and enter the slope side, so that the roots are more reliably established.
Next, the water content of the natural ground is stably replenished into the bag by the water retention member inserted in the water retention hole opened on the slope side, and the planted plant can be reliably grown.
In addition, since the opening part of the bag for customer land is squeezed into a purse-like shape and tied after planting, invasion of weed seeds can be prevented from the opening part.
Furthermore, the rainwater can be supplied into the bag for the home soil by flowing down the running water on the surface of the slope during the rain by the water-absorbing / permeable mat. And surplus water can flow down from a drain outlet, and can drain. At this time, a part of the water is accumulated in the lower storage portion in the bag for the home soil, and an appropriate amount of water necessary for water retention can be held in the bag.
And the mortar spraying work to protect the bag for customer land installed on the conventional slope by using granular lightweight aggregate or foam polystyrene or foam polystyrene volume reducing material or crushed stone or gravel etc. This is unnecessary, and the cost can be reduced.
Moreover, in the case of the above-mentioned granular lightweight aggregate, foamed polystyrene, foamed polystyrene reducing material, or a mixture of crushed stone or gravel added with a hardening material such as cement, the surface exposed to the atmosphere is wet with rainwater or the like. When the material is absorbed, the hardened material such as cement is cured and the heat insulating material portion is retained, so that the surface side of the installed soil bag can be protected by a mortar sprayer. it can.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a front view of a shrub seedling planted by installing a clay soil bag on a cut slope, a hard rock slope, a mortar spraying layer or the like according to the present invention.
FIG. 2 is a central longitudinal sectional view of FIG.
FIG. 3 is an enlarged view of a part of the bag body in FIG. 2;
FIG. 4 is a front view showing another embodiment of FIG. 1;
FIG. 5 is a central longitudinal sectional view of FIG. 4;
6 is an enlarged view showing another embodiment of the lower part of the bag body of FIG. 2. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP29430199A JP3856998B2 (en) | 1999-09-08 | 1999-09-08 | Planting methods for planting seedlings such as cut slopes, hard rock slopes, mortar spraying layers, etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP29430199A JP3856998B2 (en) | 1999-09-08 | 1999-09-08 | Planting methods for planting seedlings such as cut slopes, hard rock slopes, mortar spraying layers, etc. |
Publications (2)
Publication Number | Publication Date |
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JP2001073377A JP2001073377A (en) | 2001-03-21 |
JP3856998B2 true JP3856998B2 (en) | 2006-12-13 |
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JP29430199A Expired - Fee Related JP3856998B2 (en) | 1999-09-08 | 1999-09-08 | Planting methods for planting seedlings such as cut slopes, hard rock slopes, mortar spraying layers, etc. |
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JP (1) | JP3856998B2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007056606A (en) * | 2005-08-26 | 2007-03-08 | Nisshoku Corp | Tree planting implement and tree planting method |
KR100697935B1 (en) * | 2006-07-25 | 2007-03-20 | (주) 코리아에스이 | Planting buckets at shotcrete reinforcement slopes |
KR101230208B1 (en) | 2010-05-24 | 2013-02-27 | 주식회사 비엠테크 | Kevin Cone, shotcrete construction method using the same |
JP6499017B2 (en) * | 2015-06-04 | 2019-04-10 | 日本植生株式会社 | Slope protection method |
JP7566333B2 (en) * | 2016-04-30 | 2024-10-15 | 日本植生株式会社 | Slope protection equipment and slope protection method |
JP6975999B2 (en) * | 2016-04-30 | 2021-12-01 | 日本植生株式会社 | Slope protection equipment and slope protection method |
JP6717525B2 (en) * | 2016-04-30 | 2020-07-01 | 日本植生株式会社 | Slope protection tool and its moisture-proof method and slope protection method |
-
1999
- 1999-09-08 JP JP29430199A patent/JP3856998B2/en not_active Expired - Fee Related
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