JPH08238022A - Greening construction for slope - Google Patents
Greening construction for slopeInfo
- Publication number
- JPH08238022A JPH08238022A JP7045481A JP4548195A JPH08238022A JP H08238022 A JPH08238022 A JP H08238022A JP 7045481 A JP7045481 A JP 7045481A JP 4548195 A JP4548195 A JP 4548195A JP H08238022 A JPH08238022 A JP H08238022A
- Authority
- JP
- Japan
- Prior art keywords
- nitrogen
- amount
- liter
- ammonia
- greening
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、セメントや生石灰を改
良剤として使用した安定処理土の盛土施工時の傾斜面の
緑化工法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for revegetation of an inclined surface during embankment construction of stabilized soil using cement or quick lime as an improving agent.
【０００２】[0002]
【従来の技術】従来、図３に示すように、セメントや生
石灰を改良剤として使用した安定処理土Ａの盛土面の緑
化においては、通常の土砂による盛土面の緑化の場合と
同様に、土砂面に厚い（例えば５〜１０ｃｍ）厚さの緑
化生育基盤Ｂを造成していた。2. Description of the Related Art Conventionally, as shown in FIG. 3, in the greening of the embankment surface of the stabilized soil A using cement or quick lime as an improving agent, as in the case of the greening of the embankment surface with ordinary earth and sand, A thick (for example, 5 to 10 cm) thick greening growth base B was formed on the surface.
【０００３】[0003]
【発明が解決しようとする課題】しかし、セメントや生
石灰を改良剤として使用した安定処理土Ａは、この改良
剤の水和反応により水酸化カルシウムが生成する。その
水酸化カルシウムが生育基盤Ｂに移動することにより、
生育基盤Ｂに含まれる肥料中のアンモニア態窒素がガス
態に変化して植物Ｃの根Ｄの生育を阻害する。However, in the stabilized soil A which uses cement or quick lime as an improving agent, calcium hydroxide is produced by the hydration reaction of the improving agent. By moving the calcium hydroxide to the growth base B,
Ammonia nitrogen contained in the fertilizer contained in the growth base B changes to a gas state to inhibit the growth of the root D of the plant C.
【０００４】本発明は、植物の生育を促進する傾斜面の
緑化工法を提供することを目的としている。An object of the present invention is to provide a method for planting a sloped surface that promotes plant growth.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、セメン
トや生石灰を改良剤として使用した安定処理土の盛土施
工に際し、一定間隔にブロック体を設置し、そのブロッ
ク体のアンモニア態及び硝酸態の窒素量の合計を０．５
〜２．０ｇ／リットルとし、かつ、アンモニア態窒素量
を０．１〜１．０ｇ／リットルとしたことを特徴として
いる。According to the present invention, when embankment construction of stabilized soil using cement or quick lime as an improving agent, blocks are installed at regular intervals, and the ammonia and nitrate of the blocks are placed. The total amount of nitrogen in 0.5
It is characterized in that the amount of ammonia nitrogen is 0.1 to 1.0 g / liter.
【０００６】また本発明によれば、セメントや生石灰を
改良剤として使用した安定処理土の盛土施工に際し、一
定間隔にブロック体を設置し、改良剤使用量を１０〜３
００ｋｇ／ｍ3 とすると共に、ブロック体のアンモニア
態及び硝酸態の窒素量の合計を０．５〜２．０ｇ／リッ
トルとし、かつ、アンモニア態窒素量を０．１〜１．０
ｇ／リットルとしている。Further, according to the present invention, when embankment construction of stabilized soil using cement or quick lime as an improving agent, blocks are installed at regular intervals and the amount of the improving agent used is 10 to 3.
With a 00kg / m 3, the total nitrogen content of ammonia and nitrate in the block body and 0.5 to 2.0 g / liter, and ammonia nitrogen content of 0.1 to 1.0
It is set to g / liter.
【０００７】また本発明によれば、セメントや生石灰を
改良剤として使用した安定処理土の盛土施工に際し、一
定間隔にブロック体を設置し、改良剤使用量を１０〜３
００ｋｇ／ｍ3 とすると共に、ブロック体のアンモニア
態及び硝酸態の窒素量の合計を０．５〜２．０ｇ／リッ
トルとし、かつ、アンモニア態窒素態を０．１〜１．０
ｇ／リットルとし、盛土面に１〜５ｃｍの緑化生育基盤
を造成したことを特徴としている。Further, according to the present invention, when embankment of stable treated soil using cement or quick lime as an improving agent, blocks are installed at regular intervals and the amount of the improving agent used is 10 to 3.
With a 00kg / m 3, the total nitrogen content of ammonia and nitrate in the block body and 0.5 to 2.0 g / liter, and the ammonium nitrogen condition 0.1-1.0
The feature is that a greening growth base of 1 to 5 cm is formed on the embankment surface at g / liter.
【０００８】更に本発明によれば、ブロック体は、一定
の可撓性と空隙を有し、その間隙率は少なくとも４０％
の有機物又は無機質繊維から構成されている。Further in accordance with the invention, the block body has a certain degree of flexibility and voids, the porosity of which is at least 40%.
It is composed of organic or inorganic fibers.
【０００９】[0009]
【作用】上記のように構成された傾斜面の緑化工法にお
いては、改良剤を含んだアルカリ性の盛土の環境に対
し、ブロック体の内部はアルカリ害が少ないので、植物
の根が安全に生育することができる。In the slope greening method constructed as described above, the root of the plant grows safely because the inside of the block body has little alkali damage to the environment of the alkaline embankment containing the improving agent. be able to.
【００１０】また、肥料養分として生育基盤に含まれる
アンモニア態窒素が少ないと植物の生育が劣り、過剰で
あるとアンモニアガスの発生により植物の生育が阻害さ
れるが、アンモニア態及び硝酸態の窒素量の合計が０．
５〜２．０ｇ／リットル、かつ、アンモニア態窒素量が
０．１〜１．０ｇ／リットルと適度な窒素量なので、植
物の根が好適に生育する。Further, when the amount of ammonia nitrogen contained in the growth base as fertilizer nutrient is low, the growth of the plant is poor, and when it is excessive, the growth of the plant is inhibited by the generation of ammonia gas. The total amount is 0.
Since the nitrogen content is 5 to 2.0 g / liter and the ammonia nitrogen content is 0.1 to 1.0 g / liter, which is an appropriate nitrogen content, the roots of the plant can be properly grown.
【００１１】[0011]
【実施例】以下図面を参照して本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１２】図１において、セメントや生石灰の改良剤
を、１ｍ3 当り１０〜３００ｋｇ使用した安定処理土Ａ
を盛土した傾斜面Ｅに、一定間隔でブロック体Ｆを配置
し、安定処理土Ａ及びブロック体Ｆの表面に１〜５ｃｍ
の緑化生育基盤Ｂを造成する。In FIG. 1, stabilized soil A containing 10 to 300 kg of a cement or quick lime modifier per 1 m 3 is used.
1 to 5 cm on the surface of the stabilized soil A and the block body F by arranging the block bodies F at regular intervals on the sloped surface E where the soil is filled.
Create a greening and growth base B.
【００１３】上記ブロック体Ｆは、導入する植物Ｃの根
Ｄが良好に伸張するように、一定の可撓性と空隙（間隙
率が少なくとも４０％）をもつ有機物又は無機質繊維で
構成されている。更に、ブロック体Ｆのアンモニア態及
び硝酸態の窒素量の合計は、０．５〜２．０ｇ／リット
ルで、かつアンモニア態窒素量が０．１〜１．０ｇ／リ
ットルにとられている。The block body F is composed of organic or inorganic fibers having a certain flexibility and voids (porosity of at least 40%) so that the roots D of the plant C to be introduced can be elongated well. . Furthermore, the total amount of ammonia and nitrate nitrogen in the block F is 0.5 to 2.0 g / liter, and the amount of ammonia nitrogen is 0.1 to 1.0 g / liter.
【００１４】次に作用について説明する。Next, the operation will be described.
【００１５】含有するアンモニア態及び硝酸態窒素量を
変化させ１００×１００×１００ｍｍに成形加工した表
面に、ケンタッキー３１フェスクの種子を２０粒置いた
ブロック体Ｆを、普通ポルトランドセメントを１５０ｋ
ｇ／ｍ3 添加混合した砂質土に埋設し、２０日までの毎
日の出芽数を調査し、平均出芽日数と出芽率とを算出
し、その後、１〜２ケ月の生長量を調査した結果を表に
示す。A block F having 20 Kentucky 31 fescue seeds placed on a surface formed by forming 100 × 100 × 100 mm while changing the amount of contained ammonium and nitrate nitrogen, and 150 k of ordinary Portland cement
Results of burying in sandy soil mixed with addition of g / m 3 and investigating the number of buds every day up to 20 days, calculating the average number of germination days and germination rate, and then investigating the amount of growth for 1-2 months Is shown in the table.
【００１６】 この表から解る通り、出芽については、アンモニア態窒
素量が１．０ｇ／リットル以下であれば、日数、出芽率
ともに大きな変化はないが（ＮＯ．１〜９）、アンモニ
ア態窒素量が１．５ｇ／リットルから出芽日数の大巾な
遅延や出芽率の顕著な低下が認められる（ＮＯ．１０〜
１５）、他方、生育量に関しては、アンモニア態窒素量
が１．５ｇ／リットルを超えると、それ以下に比べ明ら
かに生育が劣る（ＮＯ．１０〜１５）。このような結果
になるのは、セメントや生石灰等の改良剤から生成され
る水酸化カルシウムが、ブロック体Ｆ中に浸透し、アン
モニア窒素と反応して生じるアンモニアガスによる生育
阻害が原因と思われる。また、同じ無機態窒素でありな
がらアンモニアガスが発生しない硝酸態窒素では、生育
阻害作用はみられないで、むしろ栄養分として生育が促
進されている。[0016] As can be seen from this table, regarding germination, if the amount of ammonia nitrogen is 1.0 g / liter or less, there is no significant change in the number of days and the emergence rate (NO. 1 to 9), but the amount of ammonia nitrogen is 1. From 5 g / l, a large delay in the number of germination days and a remarkable decrease in the germination rate are observed (NO. 10 to 10).
15) On the other hand, with regard to the growth amount, when the amount of ammonia nitrogen exceeds 1.5 g / liter, the growth is obviously inferior to that of less than that (NO. 10 to 15). Such a result is considered to be caused by growth inhibition by ammonia gas produced by the calcium hydroxide produced from the improving agent such as cement or quick lime permeating into the block F and reacting with ammonia nitrogen. . Further, nitrate nitrogen, which is the same inorganic nitrogen but does not generate ammonia gas, does not show a growth inhibitory effect, but rather promotes growth as a nutrient.
【００１７】[0017]
【発明の効果】本発明は、以上説明したように構成され
ているので、ブロック体内でアルカリの害をなくして植
物の生育を促進することができる。Since the present invention is constructed as described above, it is possible to promote the growth of plants by eliminating the damage of alkali in the block body.
【図１】本発明の一実施態様を説明する垂直断面図。FIG. 1 is a vertical sectional view illustrating an embodiment of the present invention.
【図２】従来工法の施工態様を説明する垂直断面図。FIG. 2 is a vertical cross-sectional view illustrating a construction mode of a conventional method.
Ａ・・・安定処理土 Ｂ・・・緑化生育基盤 Ｃ・・・植物 Ｄ・・・根 Ｅ・・・傾斜面 Ｆ・・・ブロック体 A: Stabilized soil B: Greening and growth base C: Plant D ... Root E ... Slope F ... Block
Claims (4)
た安定処理土の盛土施工に際し、一定間隔にブロック体
を設置し、そのブロック体のアンモニア態及び硝酸態の
窒素量の合計を０．５〜２．０ｇ／リットルとし、か
つ、アンモニア態窒素量を０．１〜１．０ｇ／リットル
としたことを特徴とする傾斜面の緑化工法。1. When embankment construction of stabilized soil using cement or quick lime as an improving agent, blocks are installed at regular intervals, and the total amount of ammonia and nitrate nitrogen in the blocks is 0.5 to 0.5. A greening method for an inclined surface, which is 2.0 g / liter and the amount of ammonia nitrogen is 0.1 to 1.0 g / liter.
た安定処理土の盛土施工に際し、一定間隔にブロック体
を設置し、改良剤使用量を１０〜３００ｋｇ／ｍ3 とす
ると共に、ブロック体のアンモニア態及び硝酸態の窒素
量の合計を０．５〜２．０ｇ／リットルとし、かつ、ア
ンモニア態窒素量を０．１〜１．０ｇ／リットルとした
ことを特徴とする傾斜面の緑化工法。2. When embankment of stabilized soil using cement or quick lime as an improver, blocks are installed at regular intervals, and the amount of the improver used is 10 to 300 kg / m 3, and ammonia in the block is used. A method for planting a sloped surface, wherein the total amount of nitrogen in the form of nitrogen and the amount of nitrogen in the form of nitrate are 0.5 to 2.0 g / liter and the amount of ammonia nitrogen is 0.1 to 1.0 g / liter.
た安定処理土の盛土施工に際し、一定間隔にブロック体
を設置し、改良剤使用量を１０〜３００ｇ／ｍ3 とする
と共に、ブロック体のアンモニア態及び硝酸態の窒素量
の合計を０．５〜２．０ｇ／リットルとし、かつ、アン
モニア態窒素態を０．１〜１．０ｇ／リットルとし、盛
土面に１〜５ｃｍの緑化生育基盤を造成したことを特徴
とする傾斜面の緑化工法。3. When embankment of stabilized soil using cement or quick lime as an improving agent, blocks are installed at regular intervals so that the amount of the improving agent used is 10 to 300 g / m 3 and ammonia in the block is used. The total amount of nitrogen in the soil and nitrate is 0.5 to 2.0 g / liter, and the amount of ammonia nitrogen is 0.1 to 1.0 g / liter. A greening method for sloping surfaces characterized by being created.
し、その間隙率は少なくとも４０％であり、有機物又は
無機質繊維から構成されていることを特徴とする請求項
１ないし３記載の傾斜面の緑化工法。4. The block body has a certain degree of flexibility and voids, has a porosity of at least 40%, and is made of an organic or inorganic fiber. Greening method for the inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04548195A JP3167256B2 (en) | 1995-03-06 | 1995-03-06 | Greening of slopes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04548195A JP3167256B2 (en) | 1995-03-06 | 1995-03-06 | Greening of slopes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08238022A true JPH08238022A (en) | 1996-09-17 |
| JP3167256B2 JP3167256B2 (en) | 2001-05-21 |
Family
ID=12720600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04548195A Expired - Fee Related JP3167256B2 (en) | 1995-03-06 | 1995-03-06 | Greening of slopes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3167256B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761302A (en) * | 2018-07-26 | 2020-02-07 | 烟台坭客环境科技有限公司 | Nutrient medium for rock slope greening and construction process thereof |
-
1995
- 1995-03-06 JP JP04548195A patent/JP3167256B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761302A (en) * | 2018-07-26 | 2020-02-07 | 烟台坭客环境科技有限公司 | Nutrient medium for rock slope greening and construction process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3167256B2 (en) | 2001-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |