JPH0692665B2 - Embankment bodies such as artificial ponds and rivers - Google Patents
Embankment bodies such as artificial ponds and riversInfo
- Publication number
- JPH0692665B2 JPH0692665B2 JP62041728A JP4172887A JPH0692665B2 JP H0692665 B2 JPH0692665 B2 JP H0692665B2 JP 62041728 A JP62041728 A JP 62041728A JP 4172887 A JP4172887 A JP 4172887A JP H0692665 B2 JPH0692665 B2 JP H0692665B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- mat
- plant
- slope
- waterproof sheet
- 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.)
- Expired - Lifetime
Links
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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Revetment (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、人造池、河川などの堤体に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a bank body such as an artificial pond or a river.
［従来の技術］ 従来、人工的に作られた池、河川などの堤体において
は、その底部から法面、更には天端に亙ってコンクリー
ト、防水シートなどで形成された遮水層で覆い、堤体の
崩れ防止および水の流出防止を計ることが広く行なわれ
ている。[Prior Art] Conventionally, in artificially made levee bodies such as ponds and rivers, a water-impermeable layer formed of concrete, a waterproof sheet, etc. from the bottom to the slope and even the top. It is widely practiced to cover and prevent the collapse of levee bodies and water outflow.
［発明が解決しようとする問題点］ ところが、前記遮水層は合成樹脂製の防水シート或いは
防水コンクリートなどの材料によって形成されているた
め植物が活着することができず施工後も永年に亙ってそ
のままの状態を保つことになる。[Problems to be Solved by the Invention] However, since the water-impervious layer is formed of a material such as a waterproof sheet made of synthetic resin or waterproof concrete, plants cannot survive and it has been a long time since construction. Will be kept as it is.
従って、遮水層の内で水中に没してしまう底部や法面の
一部、更には盛土が可能な天端は隠蔽されることになる
が、最低水位付近よりも上方に位置する法面の部分は遮
水層が露出したままであるため景観を損なうことにな
り、殊に、公園、庭園、ゴルフ場、観光地など自然の景
観が重視される箇所では問題となっていた。Therefore, the bottom and part of the slope that is submerged in the water in the impermeable layer and the top of the slope where the embankment is possible will be hidden, but the slope above the minimum water level. Since the impermeable layer remains exposed in the area, the scenery is damaged, and this is a problem especially in areas where natural scenery is important, such as parks, gardens, golf courses, and tourist resorts.
本発明はこれらの問題点を解決するためになされたもの
であって、遮水層が露出していた部分に植物が活着して
自然の池、河川のように見え、景観を損ねることのない
人造池、河川などの堤体を提供することを目的とする。The present invention has been made in order to solve these problems, and plants do not appear on the exposed part of the impermeable layer and look like natural ponds or rivers without damaging the landscape. The purpose is to provide levee bodies such as artificial ponds and rivers.
［問題点を解決するための手段］ 上記問題点を解決するため本発明である人造池、河川な
どの堤体は、法面に沿って設けられている遮水層の少な
くとも低水位付近よりも上方にその表面に沿って設けら
れている植物の活着可能な層が、前記遮水層の少なくと
も低水位付近から天端の一部に亙って配設された繊維状
のマツトと、この繊維状のマットと前記遮水層との間に
挟まれた客土とからなることを特徴とする。[Means for Solving the Problems] In order to solve the above problems, the bank of the artificial pond, the river, etc. according to the present invention is provided at least near the low water level of the impermeable layer provided along the slope. A plant viable layer provided along the surface above the fibrous mat disposed over at least a low water level of the impermeable layer and a part of the crown, and this fiber. It is characterized in that it is composed of a mat-like material and the soil sandwiched between the impermeable layer.
［作用］ 遮水層の表面に沿って設けられている植物の活着可能な
層に植物が育成し、遮水層を隠蔽する。[Operation] A plant grows in a layer in which a plant can live and is provided along the surface of the water-impervious layer, and hides the water-impermeable layer.
また、植物の活着可能な層は、表面に配置した繊維状の
マットが、遮水層との間に挟んだ客土の流出を防止して
安定した状態に保持し、また、毛管現象による吸水効果
を発揮する。In addition, the fibrous mat placed on the surface of the plant viable layer prevents the outflow of the soil between the water-impervious layer and keeps it in a stable state. Be effective.
［実施例］ 次に本発明の実施例を図面を参照して説明する。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.
第１図乃至第４図は本発明の一実施例を示すものであ
り、人造池、河川などの堤体１は、例えば厚さが1.5mm
程度の合成樹脂製の防水シート２が天端３、法面４およ
び底部（図示せず）に亙って敷設され、この防水シート
２遮水層５を形成している。FIGS. 1 to 4 show an embodiment of the present invention. The bank 1 such as an artificial pond or a river has a thickness of 1.5 mm, for example.
A waterproof sheet 2 made of synthetic resin of a certain degree is laid over the top 3, slope 4, and bottom (not shown) to form the waterproof sheet 2 and the water blocking layer 5.
そして、前記遮水層５の法面４における低水位付近６か
らその上方に位置する天端３の一部に亙って、例えば厚
さが３〜5mm、幅が１〜10m程度の帯状に形成されたヤシ
などの植物繊維よりなる小孔の網目状マットがそれらと
前記遮水層５との間に厚さ10cm程度の客土８を挟んで堤
体１の長手方向へ端縁部を互いに重ねて配設され、これ
によって植物の活着可能な層９が形成されている。Then, over a part of the crown 3 located above the low water level 6 on the slope 4 of the impermeable layer 5 and above it, for example, a strip having a thickness of 3 to 5 mm and a width of 1 to 10 m is formed. The mesh mat of small holes made of plant fibers such as palms formed has an edge portion in the longitudinal direction of the dam body 1 with the soil 8 having a thickness of about 10 cm sandwiched between them and the impermeable layer 5. They are arranged one on top of the other, thereby forming a plant-implantable layer 9.
尚、図面中符号10は天端３の部分に盛られた盛土、符号
11は防水シート２の上端を天端３に形成した溝条12に固
着するための止め具、符号8aは粘土である。In addition, reference numeral 10 in the drawing indicates the embankment filled on the portion of the crown 3,
Reference numeral 11 is a stopper for fixing the upper end of the waterproof sheet 2 to the groove 12 formed on the top end 3, and reference numeral 8a is clay.
次に、本実施例の施工方法について説明する。Next, the construction method of this embodiment will be described.
第３図は前期第図および第２図に示した実施例の施工方
法の一例を示すものであり、まず、人工的に形成した堤
体１の底部（図示せず）、法面４および天端３に防水シ
ート２を敷設するとともに、天端３に堤体１の長手方向
へ沿って形成した溝条12の底に防水シート２の上端を止
め具11により止着して固定する。次いで、前記防水シー
ト２の低水位付近６よりも少し下方に多数のマット７の
下端部を連結するとともに、それらの端縁部を互いに重
ねて堤体１の長手方向へ配設し、これらを天端３方向に
折り返すとともに、防水シート２とマット７との間に形
成される隙間の底部に粘土8aを充填し、更に客土８をほ
ぼ均一の厚さに投入する。Fig. 3 shows an example of the construction method of the embodiment shown in Figs. 1 and 2 of the previous term. First, the bottom (not shown) of the artificially formed dam body 1, the slope 4 and the ceiling. The waterproof sheet 2 is laid on the end 3, and the upper end of the waterproof sheet 2 is fixed to the bottom of the groove 12 formed along the longitudinal direction of the bank 1 at the top end 3 by the fastener 11. Next, the lower ends of a large number of mats 7 are connected slightly below the low water level vicinity 6 of the waterproof sheet 2, and the edges of these mats are overlapped with each other and arranged in the longitudinal direction of the bank 1, and these are arranged. While folding back in the direction of the top 3 and filling the bottom of the gap formed between the waterproof sheet 2 and the mat 7 with clay 8a, the soil 8 is poured to a substantially uniform thickness.
次に、マット７の上端部を前記溝条12内に止着されてい
る防水シート２に重ね溝条12に土砂を投入して天端３に
固定し、これにより防水シート２からなる遮水層５の法
面４の低水位付近６の少し下方から天端３の一部に亙る
表面に植物の活着可能な層９を形成し、最後に天端３の
部分にに盛土10を被せる。Next, the upper end of the mat 7 is stacked on the waterproof sheet 2 fixed in the groove 12, and earth and sand are put into the groove 12 to fix it to the top end 3. A layer 9 capable of planting plants is formed on the surface of the slope 5 of the layer 5 slightly below the low water level area 6 and over a part of the crown 3, and finally the part of the crown 3 is covered with the embankment 10.
そして、早急に植物の活着繁茂を必要とする場合には客
土８或いはマット７に植物の苗を植えるか、種を蒔き、
或いはこのように人工的に植物を活着させなくとも施工
後に風などにより運ばれた種が飛着し、または芝の根が
盛土10から客土８に延びて発芽するなどにより自然に植
物が活着する。Then, if it is urgently necessary for the plant to thrive, plant seedlings on the soil 8 or the mat 7 or sow the seeds,
Alternatively, even without artificially activating the plants in this way, the seeds carried by the wind will fly after the construction, or the roots of the grass will spread from the embankment 10 to the soil 8 and germinate, so that the plants will naturally grow. To do.
尚、かかる施工方法では、まず、堤体１に放水シート２
を敷設して遮水層５を形成しておき、次いで、遮水層５
の低水位付近６の下方においてマット７の下端部を連結
するとともに、その上端を上方に折り返し、それらの間
に客土８を投入して天端３に固定して植物の活着可能な
層９を形成したが、防水シート２の上端部を天端３に固
定する前に低水位付近６のマット７の下端部を連結して
それらの間に客土８を入れて防水シート２とマット７の
上端部とを重ね、これらを一緒に天端３に固定してもよ
い。In this construction method, first, the water discharge sheet 2 is attached to the dam body 1.
Is laid to form the impermeable layer 5, and then the impermeable layer 5
The lower end of the low water level 6 is connected to the lower end of the mat 7, and the upper end of the mat is folded back upward. However, before fixing the upper end of the waterproof sheet 2 to the top 3, the lower end of the mat 7 near the low water level 6 is connected and the soil 8 is put between them to form the waterproof sheet 2 and the mat 7. It is also possible to overlap the upper end of the above and fix them together to the top end 3.
第４図および第５図は遮水層５の低水位付近６における
防水シート２とマット７との連結手段の一例を示すもの
であり、防水シート２のマット７を連結する一に帯状の
固定部材14を環状に形成して固定し、適宜の長さを有
し、アルミニウムを被覆して耐腐蝕性を付与した鋼棒13
をその両端部を露出させて固定部材14に挿通するととも
に、その両端部に適宜の長さを有しアルミニウムを被覆
した鉄線15,15を巻装してそれらの両遊端部を上方へと
突出させておく。FIG. 4 and FIG. 5 show an example of a connecting means between the waterproof sheet 2 and the mat 7 in the vicinity of the low water level 6 of the water-blocking layer 5, which is a belt-like fixing for connecting the mat 7 of the waterproof sheet 2. The member 14 is formed in an annular shape and fixed, has a proper length, and is covered with aluminum to provide corrosion resistance to a steel rod 13
The both ends are exposed and inserted into the fixing member 14, and the iron wires 15 and 15 having an appropriate length and covered with aluminum are wound around the both ends, and both the free ends of the iron wires are moved upward. Leave it protruding.
そして、第５図に示すように防水シート２の表面に前記
鉄線15,15の両遊端部を貫通させてマット７を重ね、こ
のマット７の表面に前記鋼棒13と同様の鋼棒16を重ねて
配置し、その両端部に前記鉄線15,15の両遊端部を巻き
付け締結して防水シート２とマット7sを連結するもので
ある。Then, as shown in FIG. 5, a mat 7 is laid on the surface of the waterproof sheet 2 by penetrating both free ends of the iron wires 15 and 15, and a steel rod 16 similar to the steel rod 16 is placed on the surface of the mat 7. Are arranged in an overlapping manner, and both free ends of the iron wires 15 and 15 are wound around both ends and fastened to connect the waterproof sheet 2 and the mat 7s.
この連結手段によれば連結操作が迅速で、確実に連結さ
れるが、これらに限らず他の連結手段を用いてもよいこ
とは言うまでもない。According to this connecting means, the connecting operation is quick and surely connected, but needless to say, other connecting means may be used.
このように構成される本実施例は、堤体１に防水シート
２により形成される遮水層５の法面４の低水位付近６よ
りも下方部分は常時水中に没しているとともに、天端３
の部分は盛土10により常時隠蔽されており、更に、従来
遮水層５がそのまま露出していた法面４の低水位付近６
よりも上方および天端３の一部は植物の活着可能な層９
に比較的短期間で植物が育成して隠蔽するので自然の景
観を与えることとなる。In this embodiment having such a configuration, the lower part of the slope 4 of the water blocking layer 5 formed by the waterproof sheet 2 on the bank 1 is always submerged in the water, while the lower part 6 is near the low water level. Edge 3
Is always hidden by the embankment 10 and the low water level near the slope 4 where the water barrier layer 5 was exposed as it was 6
The upper part and a part of the crown 3 are the layers 9 on which plants can live.
The plants will grow and cover up in a relatively short period of time, giving a natural landscape.
殊に、本実施例では植物の活着可能な層９が客土８およ
び吸水性を有する繊維状のマット７により形成されてい
るため、植物の定着性がよく、更に雨水などを保有する
とともに、池や河川の水を吸い上げて適度の水分と養分
とを保持するため植物が良好に育成する。In particular, in this embodiment, since the plant-activatable layer 9 is formed by the soil 8 and the fibrous mat 7 having water absorbency, the plant is well-fixed, and rainwater is retained. Plants grow well because they absorb the water of ponds and rivers and retain a proper amount of water and nutrients.
また、植物の活着可能な層９は、表面に配置した繊維状
のマット７が、遮水層との間に挟んだ客土８の流出を防
止して安定した状態に保持し、殊に。本実施例では植物
の活着可能な層９の常時水に浸る部分に粘土8aが配置さ
れており、客土８の流失を更に防いでいる。In addition, the layer 9 on which the plant can be vitalized is particularly stable because the fibrous mat 7 arranged on the surface prevents the outflow of the soil 8 sandwiched between it and the impermeable layer and keeps it in a stable state. In this embodiment, the clay 8a is arranged in the part of the plant viable layer 9 that is constantly immersed in water, thereby further preventing the soil 8 from being washed away.
尚、本実施例は遮水層５が防水シート２により形成さた
場合を示したが、遮水層５がコンクリートにより形成さ
れている場合にはコンクリート製の法面にマット７の下
端部を直接固定してその上端を上方に折り返し、それら
の間に客土を投入して植物の活着可能な層９を形成する
（図示せず）。In this embodiment, the water-blocking layer 5 is formed of the waterproof sheet 2, but when the water-blocking layer 5 is formed of concrete, the lower end of the mat 7 is placed on the concrete slope. It is directly fixed and the upper end thereof is folded back upward, and the soil is put between them to form a plant viable layer 9 (not shown).
また、本実施例では、マット７としてヤシなどの植物繊
維よりなる網目状のものを用いたが、合成樹脂製の不織
布など他の繊維状の物を用いてもよい。Further, in the present embodiment, the mat 7 is a mesh made of plant fibers such as palm, but other fibrous materials such as synthetic resin non-woven fabric may be used.
第６図は本発明の異なる実施例を示すものであり、堤体
１の底部（図示せず）、法面４および天端３にコンクリ
ート層13を設けて遮水層５が形成されている。FIG. 6 shows a different embodiment of the present invention, in which a water blocking layer 5 is formed by providing a concrete layer 13 on the bottom portion (not shown) of the dam body 1, the slope 4 and the top end 3. .
そして、この遮水層５における法面の低水位部分６付近
から天端３に亙る長さの焼く二倍の長さを有する、例え
ば厚さが10mm程度で合成樹脂製の不織布により形成され
たマット７の多数枚をそれらの側端部において順次互い
に接続し、マット７の長て方向のほぼ中央付近において
折り返すとともに、両端部を重ね合わせて袋状としてそ
の内部に客土８を充填して予め植物の活着可能な層９を
形成しておく。The impermeable layer 5 has a length twice as long as the length extending from the low water level portion 6 of the slope to the crown 3, for example, a thickness of about 10 mm and formed of a synthetic resin non-woven fabric. A large number of mats 7 are sequentially connected to each other at their side end portions, folded back at approximately the center in the longitudinal direction of the mat 7, and both ends are overlapped to form a bag shape and the soil 8 is filled therein. The layer 9 on which plants can be lived is formed in advance.
そして、この植物の活着可能な層９を折返部7aが遮水層
５の法面４の低水位部分６付近に位置するようにして堤
体１の長手方向に沿って配設し、重ね合せた両端部を天
端３に形成した溝条12の底に止め具11により止着して固
定した物である。Then, the layer 9 on which this plant can live is arranged along the longitudinal direction of the dam body 1 so that the folded-back portion 7a is located in the vicinity of the low water level portion 6 of the slope 4 of the impermeable layer 5, and they are superposed. The both ends are fixed to the bottom of the groove 12 formed on the top end 3 by the stoppers 11.
尚、図面中、符号8aは粘土、符号10は盛土である。In the drawing, reference numeral 8a is clay and reference numeral 10 is embankment.
本実施例では、更に施工が簡単であり、殊に、遮水層５
がコンクリートなどにより形成されている場合に適して
いる。In this embodiment, the construction is simpler, and in particular, the impermeable layer 5
Suitable when is made of concrete.
［発明の効果］ 本発明は以上のように構成されるため、人工池や河川の
法面に設けられた遮水層の上に植物が活着し、遮水層５
を隠蔽して恰も自然のように見せ、従って、景観を損ね
ることがなく、庭園、公園、観光地などの景観を重んじ
る場所においてきわめて有効である。EFFECTS OF THE INVENTION Since the present invention is configured as described above, the plant is attached to the impermeable layer provided on the slope of the artificial pond or river, and the impermeable layer 5 is formed.
It is concealed and looks like nature, so it does not spoil the landscape and is extremely effective in places where the landscape is valued, such as gardens, parks and tourist attractions.
殊に、本発明は、植物の活着可能な層が客土および吸水
性を有する繊維状のマットにより形成されているため、
植物の定着性がよく、更に雨水などを保有するととも
に、池や河川の水を吸い上げて適度の水分と養分とを保
持するため植物が良好に育成するばかりか、植物の活着
可能な層は、表面に配置した繊維状のマットが、遮水層
との間に挟んだ客土の流出を防止して安定した状態に保
持し、客土の流失を防いでいる。In particular, the present invention is characterized in that the plant-activatable layer is formed of a fibrous mat having a soil and water absorbability,
The plant is well-fixed, and in addition to having rainwater and the like, it not only grows the plant satisfactorily because it absorbs the water of the pond and river and retains an appropriate amount of water and nutrients, but the layer on which the plant can live is The fibrous mat placed on the surface prevents the outflow of the soil sandwiched between it and the impermeable layer and keeps it in a stable state, preventing the soil from flowing away.
第１図は本発明の一実施例を示す斜視切截図、第２図は
第１図の断面図、第３図は第１図に示した実施例の施工
方法を示す説明図、第４図ならびに第５図は第１図に示
した実施例における防水シートとマットとの連結手段の
一例を示す説明図、第６図本発明の異なる実施例を示す
斜視切截図である。 １…提体、２…防水シート、４…法面、５…遮水層、６
…低水位付近、９…植物の活着可能な層、13…コンクリ
ート層。FIG. 1 is a perspective cutaway view showing an embodiment of the present invention, FIG. 2 is a sectional view of FIG. 1, and FIG. 3 is an explanatory view showing a construction method of the embodiment shown in FIG. 5 and FIG. 5 are explanatory views showing an example of the connecting means between the waterproof sheet and the mat in the embodiment shown in FIG. 1, and FIG. 6 are perspective cutaway views showing a different embodiment of the present invention. 1 ... Propeller, 2 ... Waterproof sheet, 4 ... Slope, 5 ... Impermeable layer, 6
… Around low water level, 9… Plant viable layer, 13… Concrete layer.
Claims (1)
くとも低水位付近よりも上方にその表面に沿って設けら
れている植物の活着可能な層が、前記遮水層の少なくと
も低水位付近から天端の一部に亙って配設された繊維状
のマツトと、この繊維状のマットと前記遮水層との間に
挟まれた客土とからなることを特徴とする人造池、河川
などの堤体。1. A plant-activatable layer, which is provided along the surface of a water shield layer provided along a slope and above at least a low water level, is at least a low layer of the water shield layer. A man-made structure characterized by comprising a fibrous mat arranged from near the water level to a part of the crown and a soil sandwiched between the fibrous mat and the impermeable layer. Embankments such as ponds and rivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62041728A JPH0692665B2 (en) | 1987-02-25 | 1987-02-25 | Embankment bodies such as artificial ponds and rivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62041728A JPH0692665B2 (en) | 1987-02-25 | 1987-02-25 | Embankment bodies such as artificial ponds and rivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63210306A JPS63210306A (en) | 1988-09-01 |
| JPH0692665B2 true JPH0692665B2 (en) | 1994-11-16 |
Family
ID=12616486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62041728A Expired - Lifetime JPH0692665B2 (en) | 1987-02-25 | 1987-02-25 | Embankment bodies such as artificial ponds and rivers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0692665B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2505301Y2 (en) * | 1991-08-19 | 1996-07-31 | 山富産業株式会社 | Concrete block for seawall |
| US10287092B2 (en) | 2015-09-28 | 2019-05-14 | A.O.S Services Ltd. | Liquid containment structures and frac ponds with mat foundations |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171909A (en) * | 1987-01-07 | 1988-07-15 | Dorein Kogyo Kk | River embankment work |
-
1987
- 1987-02-25 JP JP62041728A patent/JPH0692665B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63210306A (en) | 1988-09-01 |
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