JP3303164B2 - Greening type earth retaining structure - Google Patents
Greening type earth retaining structureInfo
- Publication number
- JP3303164B2 JP3303164B2 JP21047699A JP21047699A JP3303164B2 JP 3303164 B2 JP3303164 B2 JP 3303164B2 JP 21047699 A JP21047699 A JP 21047699A JP 21047699 A JP21047699 A JP 21047699A JP 3303164 B2 JP3303164 B2 JP 3303164B2
- Authority
- JP
- Japan
- Prior art keywords
- log
- vegetation
- earth retaining
- retaining structure
- recess
- 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 - Fee Related
Links
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は、山等の傾斜面、法
面、林道の側面や階段といった場所での土留め、公園或
は花壇の土留め、更には河岸や湖岸の土留め等に用いる
土留め構造物に関し、特に土砂の流失防止効果に優れる
と共に地盤への定着性が高く、かつ環境の緑化も図るこ
とができる緑化型土留め構造物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to earth retaining on slopes and slopes such as mountains, slopes of forest roads and stairs, earth retaining in parks or flower beds, and earth retaining on river banks and lake shores. More particularly, the present invention relates to a greening type earth retaining structure which is excellent in an effect of preventing earth and water from flowing out, has a high anchoring property to the ground, and can achieve greening of the environment.
【0002】[0002]
【従来の技術】従来、この種の土留め手段として、木製
杭に複数本の横木を針金で締着したりボルトで固定する
ことにより組み付けた土留め柵が知られている。また、
例えば特許第1577635号公報には丸太を井桁状に
組んでその後方に棒状支持材を控え材として略T字状を
なすように突設した構成の土留め柵が開示されている。2. Description of the Related Art Conventionally, as this type of retaining means, a retaining fence is known in which a plurality of crossbars are fastened to a wooden pile by fastening with wires or fixing with bolts. Also,
For example, Japanese Patent No. 1577635 discloses an earth retaining fence having a configuration in which logs are assembled in a cross-girder shape, and a bar-shaped support member is used as a staying member so as to protrude so as to form a substantially T-shape.
【0003】[0003]
【発明が解決しようとする課題】上述した従来の土留め
柵は、現場で各木材に切削等の加工を行ない、針金で締
結して組み付けて構成しているために作業性が悪いとい
う欠点や、加工精度が悪いし、現場を木屑で汚すという
欠点がある。また、従来の土留め柵は丸太を連結しただ
けの構成であるため、丸太の間から土砂が流出するのを
防止することができないという欠点があるし、草木が周
囲に自然に成育するまでは地盤との定着性がないという
欠点がある。また、従来の土留め柵は景観に配慮した構
成になっていないため、例えば山腹に土留め柵がむき出
しの状態で列設されることになり、景観を甚だしく損な
っているのが現状である。The above-mentioned conventional retaining fence has a drawback that workability is poor because it is constructed by cutting or otherwise processing each piece of wood at the site and fastening and assembling with wire. However, there are drawbacks in that processing accuracy is poor and that the site is soiled with wood chips. In addition, conventional retaining fences have a drawback that they cannot prevent the earth and sand from flowing out between the logs because they are constructed only by connecting logs, and until the plants naturally grow around. There is a disadvantage that there is no fixability to the ground. Further, since the conventional retaining fences are not configured in consideration of the landscape, the retaining fences are arranged in a row on the hillside, for example, and the landscape is severely damaged at present.
【0004】本発明は上述した従来技術の諸欠点に鑑み
なされたもので、加工作業は全て工場で行なうことがで
きるので現場を汚すことがないし、現場での施工を容易
に効率よく短期間で行なうことができ、しかも草木を一
体に繁殖させることにより丸太構造体が露出しない自然
の景観に近い状態を積極的に形成することができ、ま
た、地盤に根を張らせることにより土砂の流失を防止で
きると共に定着性も高める効果も得ることができる緑化
型土留め構造物を提供することを目的とする。The present invention has been made in view of the above-mentioned drawbacks of the prior art. Since all processing operations can be performed in a factory, the site is not soiled, and the on-site construction can be performed easily and efficiently in a short period of time. It is possible to actively create a state close to a natural landscape where the log structure is not exposed by breeding plants and plants together, and also to prevent the loss of sediment by rooting the ground. It is an object of the present invention to provide a greening type earth retaining structure which can prevent the occurrence of the problem and can also obtain the effect of improving the fixing property.
【0005】[0005]
【課題を解決するための手段】上述した課題を解決する
ために構成された本発明の手段は、複数本の丸太を連結
して一体化した丸太構造体を地盤に固定して土留めする
土留め構造物であって、前記丸太の各々には植生用凹部
と、該植生用凹部に連通する通水孔を夫々形成し、該植
生用凹部内に植生基材を装填したものからなる。Means of the present invention configured to solve the above-mentioned problem are as follows: a soil structure in which a plurality of logs are connected to form an integrated log structure and fixed to the ground for earth retaining. A retaining structure, wherein each of said logs has a vegetation recess
And a water passage hole communicating with the vegetation recess, and a vegetation base material is loaded in the vegetation recess.
【0006】そして、前記植生用凹部は、前記丸太の前
面から後面にかけて形成した貫通穴とし、前記通水孔は
前記丸太に縦方向に形成した雨水流入孔としたものにす
るとよい。 The vegetation recess is provided in front of the log.
A through hole formed from the surface to the rear surface, and the water passage hole is
The log shall be a rainwater inflow hole formed vertically.
Good.
【0007】また、前記植生用凹部は、横設した前記丸
太の上側面に長手方向に沿って形成した凹状溝部にする
とよい。Further, the vegetation recess, it is preferable to concave groove portions formed along the longitudinal direction on an upper surface of the log that is horizontally provided.
【0008】更に、前記植生用凹部は、前記丸太を立設
した上端面から縦方向に凹設した凹陥部からなり、前記
通水孔は該凹陥部の底部側に連通し、該丸太の外面に開
口して穿設するとよい。 Furthermore, the vegetation recess is made concave portion which is recessed in the longitudinal direction from the upper end surface erected the log, the
The water passage hole may communicate with the bottom side of the concave portion, and may be opened and formed in the outer surface of the log .
【0009】また、前記丸太構造体は、複数本の前記丸
太を連結材により連結してパネル状に形成するとよい。Further, the log structure may be connected by a connecting member to the round <br/> thick a plurality of forming a panel shape.
【0010】また、前記丸太構造体は、積重する複数本
の前記丸太の各々に穿設した挿通孔に長尺支持材を挿通
して一体化し、かつ該長尺支持材の突出部を地中に打ち
込むことにより地盤に固定するようにするとよい。Further, the log structure, integrated by inserting a plurality of the insertion hole formed in each of the log of the long supporting member for stacking, and the earth projection of the long continuous support It is good to fix it to the ground by driving it inside.
【0011】そして、前記植生基材は、腐食性又は分解
性材料により形成した保形袋に収容し、又は腐食性又は
分解性材料により形成したシートに貼着した構成にして
もよい。The vegetation base material may be housed in a shape-retaining bag formed of a corrosive or degradable material, or may be adhered to a sheet formed of a corrosive or degradable material.
【0012】[0012]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づき詳述する。図1乃至図7において、1は丸太構
造体を示す。2、2、2は該丸太構造体1を構成する複
数本の丸太で、該各丸太2は例えば直径約10cmの間
伐材を適宜の長さ、例えば180cmに裁断したものか
らなる。3、3は各丸太2の軸方向両端側に縦方向(直
径方向)に穿設した支持材挿通孔を示し、積重する3本
の丸太2、2、2の支持材挿通孔3は同一軸心をなすよ
うに穿設してある。Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 7, reference numeral 1 denotes a log structure. Reference numerals 2, 2, and 2 denote a plurality of logs constituting the log structure 1. Each log 2 is formed by cutting a thinned material having a diameter of, for example, about 10 cm to an appropriate length, for example, 180 cm. Reference numerals 3 and 3 denote support material insertion holes drilled in the longitudinal direction (diameter direction) at both ends in the axial direction of each log 2, and the support material insertion holes 3 of three stacked logs 2, 2 and 2 are the same. Perforated so as to form an axis.
【0013】4、4、・・は各丸太2に形成した植生用
凹部を示し、該植生用凹部4は丸太2の前面側2A中央
と図示しない後面側2Bに開口する横長矩形状の貫通穴
からなっている。そして、植生用凹部4は丸太2の軸方
向に離間して複数個配列してあり、かつ上段に配置する
丸太2と下段に配置する丸太2の植生用凹部4は軸方向
に位置を変えて配設してある。これは成育する草木が丸
太構造体1を均等に覆うようにするためである。5は植
生用凹部4に雨水を導入して後述する植生基材7に給水
し、種子の成育を図るための雨水流入孔を示し、該雨水
流入孔5は植生用凹部4の中心に開口するように丸太2
の上面側から縦方向に穿設してある。Reference numerals 4, 4,... Denote vegetation recesses formed in the respective logs 2. The vegetation recesses 4 are horizontally elongated rectangular through-holes opened at the center of the front side 2A of the log 2 and at the rear side 2B (not shown). Consists of A plurality of the vegetation recesses 4 are arranged apart from each other in the axial direction of the log 2, and the vegetation recesses 4 of the log 2 arranged at the upper stage and the vegetation recesses 4 of the log 2 arranged at the lower stage are changed in the axial direction. It is arranged. This is to ensure that the growing plants cover the log structure 1 evenly. Reference numeral 5 denotes a rainwater inflow hole for introducing rainwater into the vegetation recess 4 to supply water to a vegetation base material 7 described later to grow seeds, and the rainwater inflow hole 5 opens at the center of the vegetation recess 4. Log 2
Are drilled in the vertical direction from the top side.
【0014】上述の如く丸太構造体1を構成する丸太2
は設置する場所に応じた適宜の長さに裁断してあり、ま
た支持材挿通孔3、植生用凹部4及び雨水流入孔5が夫
々形成してあるが、これらの裁断、切削、穿設の各加工
は全て工場で予め行うことにより、能率よくまた精度よ
く行うことができる。The log 2 constituting the log structure 1 as described above
Is cut to an appropriate length in accordance with the installation location, and a support material insertion hole 3, a vegetation recess 4 and a rainwater inflow hole 5 are respectively formed. By performing each processing in advance at the factory, efficient and accurate processing can be performed.
【0015】6は丸太2の各植生用凹部4に装填した植
生基材体を示し、該植生基材体6は土及び/又はピート
モス等の有機質材7Aと、牧草、野草或は花等の設置場
所に応じた適宜の草木の種子7Bを必須の構成要素と
し、これに肥料7C、吸水性ポリマー等の保水材7Dを
適宜添加した植生基材7を保形袋8に収納したものから
なる。ここで、保形袋8は分解性又は腐食性材料から形
成してあり、植生基材7が植生用凹部4から雨水と共に
流出するのを防止すると共に、植生用凹部4の形状に対
応した立方体に成形することにより、植生用凹部4への
装填作業を容易に、また効率よく行うことができるよう
にしてある。なお、分解性或は腐食性の保形袋として
は、例えば木綿、麻、紙等の植物繊維やポリエチレンな
どの化学繊維により織成した布状物を用いることができ
る。そして、植生用凹部4への植生基材体6の装填作業
も予め工場で行なうことにより、現場での作業工数を最
小限にすることができるし、現場の天候が雨の場合には
植生用凹部4から一旦取り出して濡れないように保管す
ることも容易に行うことができる。Reference numeral 6 denotes a vegetation base material loaded in each of the vegetation recesses 4 of the log 2. The vegetation base material 6 includes an organic material 7A such as soil and / or peat moss and a grass, wild grass or flower. An appropriate vegetation seed 7B according to the installation location is used as an essential component, and a vegetation base 7 to which a fertilizer 7C and a water retention material 7D such as a water-absorbing polymer are appropriately added is stored in a shape-retaining bag 8. . Here, the shape-retaining bag 8 is formed of a degradable or corrosive material, prevents the vegetation base material 7 from flowing out of the vegetation recess 4 together with rainwater, and has a cube corresponding to the shape of the vegetation recess 4. By doing so, the loading operation into the vegetation recess 4 can be performed easily and efficiently. As the degradable or corrosive shape-retaining bag, for example, a cloth woven from vegetable fibers such as cotton, hemp, paper or the like, or chemical fibers such as polyethylene can be used. The work of loading the vegetation base body 6 into the vegetation recess 4 is also performed in advance at the factory, so that the number of work steps on site can be minimized. It can be easily taken out of the recess 4 and stored so as not to get wet.
【0016】更に、9、9は複数本の丸太2、2、2を
積重した状態で一体に支持すると共に地盤に丸太構造体
1を立設するためのアンカーを示し、該各アンカー9に
は長尺の丸棒鋼材を用いている。Reference numerals 9 and 9 denote anchors for integrally supporting the plurality of logs 2, 2, and 2 in a stacked state, and for erecting the log structure 1 on the ground. Uses a long round steel bar.
【0017】本実施の形態に係る緑化型土留め構造物は
上述の構成からなっており、工場で植生用凹部4等の切
削、穿設加工および植生基材体6の装填作業を予め行な
った丸太2、2、2は現場に運搬した後、山腹の傾斜面
Aを掘削した掘削面に沿って積重する。しかる後、上方
からアンカー9、9を支持材挿通穴3、3、・・・に挿
通し、突出部9A側を地盤に打ち込むことによって丸太
2同志を連結した状態で地面に立設することができ、短
時間で容易に設置作業を行なうことができる。The greening type earth retaining structure according to the present embodiment has the above-mentioned structure, and the cutting and drilling of the vegetation recess 4 and the like and the loading of the vegetation base material 6 were previously performed at the factory. After transporting the logs 2, 2, and 2 to the site, the logs 2, 2, and 2 are stacked along the excavated surface on which the slope A on the hillside is excavated. Thereafter, the anchors 9, 9 are inserted from above into the support material insertion holes 3, 3,..., And the protruding portions 9A are driven into the ground, whereby the logs 2 are connected to each other to be erected on the ground. Installation work can be performed easily in a short time.
【0018】上述の如く設置した緑化型土留め構造物は
傾斜面Aからの土砂の流出を防止する土留め柵として機
能するが、各植生用凹部4に装填した植生基材体6から
草木Bが成育して繁殖することにより、従来山腹に剥き
出しのままであった土留め柵とは異なり、緑化型土留め
構造物を覆うので景観を損なうことがない。しかも、植
生用凹部4内で成長する草木Bは根Cが山腹側に伸びて
地中に張ることにより、土砂の流出を防止し、かつ緑化
型土留め構造物は山腹に強固に定着した状態にすること
ができる。The greening type earth retaining structure installed as described above functions as an earth retaining fence for preventing the outflow of earth and sand from the inclined surface A, but the vegetation base material 6 loaded in each vegetation concave portion 4 and the vegetation B By growing and breeding, unlike a retaining fence that has been exposed on the hillside in the past, it covers the greening type retaining structure, so that the landscape is not impaired. Moreover, the vegetation B growing in the vegetation recess 4 has its roots C extending toward the hillside and extending into the ground to prevent the outflow of sediment, and the greening-type retaining structure is firmly established on the hillside. Can be
【0019】図5ないし図7は施工例を示し、図5は山
腹イに形成した林道ロの側面に緑化型土留め構造物を設
置した例、図6は山腹イに多段状に緑化型土留め構造物
を設置した例である。また、図7は傾斜地ハの遊歩道に
階段を形成する踏み段ニ、ニ、ニ、・・を設けた例で、
各踏み段ニを構成する緑化型土留め構造物の丸太構造体
1’、1’、1’は2本の丸太2、2で構成してある。FIGS. 5 to 7 show examples of construction, FIG. 5 shows an example in which a greening type retaining structure is installed on the side of a forest road B formed on a hillside, and FIG. 6 shows a multistage greening type soil on a hillside. This is an example in which a fastening structure is installed. FIG. 7 shows an example in which steps d, d, d,.
The log structure 1 ′, 1 ′, 1 ′ of the greening type retaining structure constituting each step is composed of two logs 2, 2.
【0020】図8は上記実施の形態の変形例を示し、そ
の特徴とするところは丸太2と共に丸太構造体11を構
成する一部の丸太12には連結用孔13、13を長手方
向に変位させて穿設することにより、該一部の丸太12
が他の丸太2に対して長手方向に突出した丸太構造体1
1に構成したことにある。このように構成することによ
り、列設する丸太構造体11、11、・・・の丸太
2、、2、12を恰も噛合させた状態で組み合わせるこ
とができ、草木B、B、・・・が整列しないで分散した
状態に成育させてより自然な環境を形成することができ
る。FIG. 8 shows a modification of the above embodiment. The feature of the modification is that some of the logs 12 constituting the log structure 11 together with the logs 2 have connecting holes 13 and 13 displaced in the longitudinal direction. The part of the logs 12
Is a log structure 1 projecting longitudinally with respect to another log 2
1 With such a configuration, the logs 2, 2, 12 of the log structures 11, 11,... Arranged in a row can be combined in a state where they are engaged with each other, and the plants B, B,. It can grow in a disperse state without being aligned, creating a more natural environment.
【0021】図9は第2の実施の形態を示す。なお、本
実施の形態及び以下の実施の形態において第1の実施の
形態の構成要素と同一の構成要素には同一の符号を付し
て援用し、その説明を省略する。図9において、21は
丸太構造体を示す。22、22、22は該丸太構造体2
1を構成する丸太で、該各丸太22は第1の実施の形態
と同様に間伐材を適宜の長さに裁断し、軸方向両端側に
縦方向の支持材挿通孔3、3を穿設し、前面側22Aか
ら後面側に適宜の数の植生用凹部4を形成したものから
なる。FIG. 9 shows a second embodiment. In this embodiment and the following embodiments, the same components as those of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. In FIG. 9, reference numeral 21 denotes a log structure. 22, 22, 22 are the log structures 2
1, each log 22 cuts a thinned material to an appropriate length as in the first embodiment, and drills vertical support material insertion holes 3, 3 at both ends in the axial direction. An appropriate number of vegetation recesses 4 are formed from the front side 22A to the rear side.
【0022】23、23は支持材挿通孔3、3に隣接し
て各丸太22の縦方向に穿設した一対の連結用孔を示
し、該各連結用孔23は他の丸太22の連結用孔23と
は同一軸心に設けてある。24、24は3本の丸太2
2、22、22をパネル状に一体化する2本の連結ロッ
ドで、該各連結ロッド24は3本の丸太22、22、2
2の連結用孔23、23、23に挿通し、軸方向両端に
刻設してある雄ねじにナット25を螺着するようになっ
ている。このように、複数本の丸太22を一体化して丸
太構造体21をパネル化することにより、工場から現場
への搬送及び現場での設置作業を効率良く行なうことが
できるし、作業の省力化を図ることができる。Reference numerals 23, 23 denote a pair of connecting holes formed in the longitudinal direction of each log 22 adjacent to the support material insertion holes 3, 3, and each connecting hole 23 is used for connecting another log 22. The hole 23 is provided on the same axis. 24, 24 are three logs 2
The two connecting rods 24, 22, 22 are integrated into a panel shape, and each connecting rod 24 includes three logs 22, 22, 2,
The nut 25 is screwed into male threads provided at both ends in the axial direction by passing through the connection holes 23, 23, 23 of the second embodiment. As described above, by integrating the plurality of logs 22 and forming the log structure 21 into a panel, the transportation from the factory to the site and the installation at the site can be performed efficiently, and the labor can be saved. Can be planned.
【0023】なお、上述した丸太構造体21は分解も容
易であるから、現場の状況に応じて分解することもパネ
ル化することも可能である。また、第1の実施の形態の
変形例のように積重する丸太22、22、22を長手方
向に交互に変位させて構成してもよい。更に、丸太構造
体をパネル化する方法として、丸太2に連結用孔は穿設
しないで積重した複数本の丸太2、2、・・の裏側に少
なくとも2本の連結用丸太をボルト・ナットで固着して
一体化してもよい。Since the above-mentioned log structure 21 can be easily disassembled, it can be disassembled or made into a panel according to the situation at the site. Further, as in the modification of the first embodiment, the stacked logs 22, 22, 22 may be alternately displaced in the longitudinal direction. Further, as a method of panelizing the log structure, at least two connecting logs are bolted and nuts on the back side of a plurality of logs 2, 2, ... stacked without connecting holes in the logs 2. It may be fixed and integrated.
【0024】図10は第3の実施の形態に係る丸太構造
体31を示し、該丸太構造体31を構成する各丸太32
には上面側に植生用凹部としての凹状溝部33が長手方
向に全長にわたって形成してある。34は該凹状溝部3
3に装填した植生基材体で、該植生基材体34は植生基
材7を腐食性又は分解性材料からなる保形袋35に収納
したものからなる。植生基材体34を装填した丸太3
2、32、32は積重してアンカー9、9により一体化
してあり、植生基材体34は上段を除き丸太32、32
間に挟装した状態になるが、上側及び丸太32間の間隙
から成育する草木が丸太構造体31を全面的に覆う状態
になるので、剥き出した丸太によって景観が損なわれる
といった問題を解消することができる。FIG. 10 shows a log structure 31 according to the third embodiment. Each log 32 constituting the log structure 31 is shown in FIG.
On the upper surface side, a concave groove portion 33 as a vegetation concave portion is formed over the entire length in the longitudinal direction. 34 is the concave groove 3
The vegetation base material 34 is formed by storing the vegetation base material 7 in a shape-retaining bag 35 made of a corrosive or decomposable material. Log 3 loaded with vegetation substrate 34
2, 32, 32 are stacked and integrated by anchors 9, 9, and the vegetation base material 34 is a log 32, 32 except for the upper stage.
Although it is in a state of being sandwiched in between, the plants growing from the gap between the upper side and the log 32 completely cover the log structure 31, so that the problem that the exposed log damages the landscape is eliminated. Can be.
【0025】更に、図11及び図12は第4の実施の形
態に係り、本実施の形態の特徴とするところは、植生基
材体41は植生基材7を腐食性又は分解性材料により形
成した軟質シート42に貼着して構成したことにある。
このように構成することにより、植生基材体41は図示
するように長手方向に折り畳んで植生用凹部4に挿装す
ることができるし、幅方向に折り畳んで前述した凹状溝
部33に嵌装することも可能であり、形状の異なる植生
用凹部に対応できるといった自由度がある。FIGS. 11 and 12 relate to a fourth embodiment. The feature of this embodiment is that the vegetation base member 41 is formed by forming the vegetation base member 7 from a corrosive or decomposable material. In that it is attached to the soft sheet 42 thus formed.
With this configuration, the vegetation base body 41 can be folded in the longitudinal direction as shown in the drawing and inserted into the vegetation concave portion 4, or can be folded in the width direction and fitted into the concave groove 33 described above. It is also possible to have a degree of freedom such that it can cope with vegetation recesses having different shapes.
【0026】図13は第5の実施の形態を示す。図にお
いて、51は丸太構造体で、52、52、・・・は該丸
太構造体51を構成する複数本の丸太を示す。該各丸太
52は例えば間伐材を適宜の長さに裁断し、先端側は地
中に打ち込み易い様に円錐状(鉛筆の先端状)に切削し
てあり、上端側には支持材を挿通するための支持材挿通
孔53が直径方向に穿設してある。FIG. 13 shows a fifth embodiment. In the figure, reference numeral 51 denotes a log structure, and 52, 52,... Indicate a plurality of logs constituting the log structure 51. For example, each log 52 is obtained by cutting a thinned wood to an appropriate length, the tip side is cut into a conical shape (pencil tip shape) so as to be easily driven into the ground, and a support material is inserted into the upper end side. Material insertion hole 53 is formed in the diameter direction.
【0027】54は丸太52に形成した一の植生用凹部
で、該植生用凹部54は縦長矩形状の貫通穴からなって
おり、丸太52の前面52Aから後面52Bに開口して
いる。55は丸太52に形成した他の植生用凹部で、該
植生用凹部55は円形の貫通穴からなっており、丸太5
2の前面52Aから後面52Bに開口している。そし
て、一の植生用凹部54には植生基材体6が装填してあ
り、他の植生用凹部55には植生基材体56が装填して
ある。該植生基材体56は植生基材7を保形袋57に収
納して円柱状に形成したものからなる。Reference numeral 54 denotes a vegetation recess formed in the log 52. The vegetation recess 54 is formed of a vertically long rectangular through hole, and opens from the front surface 52A of the log 52 to the rear surface 52B. Reference numeral 55 denotes another vegetation recess formed in the log 52. The vegetation recess 55 is formed of a circular through hole.
2 is open from the front surface 52A to the rear surface 52B. The vegetation base body 6 is loaded in one vegetation recess 54, and the vegetation base body 56 is loaded in the other vegetation recess 55. The vegetation base member 56 is formed by storing the vegetation base member 7 in a shape-retaining bag 57 and forming it in a columnar shape.
【0028】更に、図14は第6の実施の形態を示し、
本実施の形態の特徴は丸太構造体61を構成する丸太6
2の上端面62Aから縦方向に植生用凹部としての凹陥
部63を穿設し、該凹陥部63の底面63Aに連通し、
丸太62の外面62Bに開口する略倒置T字状の通水孔
64を穿設したことにある。65は凹陥部63に装填し
た植生基材体で、該植生基材体65は植生基材7を保形
袋66に収納したものからなる。そして、前記通水孔6
4に水苔67を充填しておくことにより、水苔67は河
川の水を吸収して植生基材体65に給水作用と保水作用
を行なうことができる。FIG. 14 shows a sixth embodiment.
The feature of the present embodiment is that the logs 6 constituting the log structure 61 are
2, a concave portion 63 as a vegetation concave portion is formed in the longitudinal direction from the upper end surface 62A, and communicates with the bottom surface 63A of the concave portion 63;
This is because a substantially inverted T-shaped water passage hole 64 is formed in the outer surface 62B of the log 62. Reference numeral 65 denotes a vegetation base material loaded in the recessed portion 63. The vegetation base material 65 is formed by storing the vegetation base material 7 in a shape-retaining bag 66. And the water hole 6
By filling the moss 67 into the moss 67, the moss 67 can absorb the water of the river and perform the water supply action and the water retention action on the vegetation base material 65.
【0029】図15は上述した第5及び第6の実施の形
態の緑化型土留め構造物51、61の施工例を示す。図
に示すように、緑化型土留め構造物51、61は例えば
小川ホの土手ヘに沿って地盤に立設して列設してある。
これにより、土手ヘの土砂が崩れるのを防止する土留め
柵として機能し、しかも草木Bが繁殖することにより水
の浸食から保護すると共に、土手ヘに多数の丸太52、
62が露出する状態を可及的に解消して自然に近い景観
を保つことができる。FIG. 15 shows an example of construction of the greening type earth retaining structures 51 and 61 according to the fifth and sixth embodiments. As shown in the figure, the greening type earth retaining structures 51 and 61 are erected on the ground along a bank of Ogawa E, for example.
Thereby, it functions as an earth retaining fence to prevent the earth and sand on the bank from collapsing, and also protects against erosion of water due to the propagation of the plants and trees B, and a large number of logs 52 on the bank.
A state close to nature can be maintained by minimizing the state where 62 is exposed.
【0030】なお、実施の形態において、丸太構造体
1、(11、21、31)は積重した複数本の丸太2、
(11、22、32)に挿通したアンカー9により地盤
に固定するものとして述べたが、例えば特許第1577
635号公報に示すようにアンカー9によらずに斜め支
柱により地盤に固定する構造のものにも本発明は適用で
きるものである。In the embodiment, the log structures 1, (11, 21, 31) are a plurality of stacked logs 2,
(11, 22, 32) has been described as being fixed to the ground by the anchor 9 inserted therein.
As shown in Japanese Patent Application Laid-Open No. 635, the present invention can be applied to a structure that is fixed to the ground by oblique columns without using the anchor 9.
【0031】また、本発明において丸太構造体を構成す
る丸太2、12、22、32、42、52、62の本数
は各実施の形態に示す数に限定されるものではなく、設
置場所に応じて適宜選定しうるものである。In the present invention, the number of logs 2, 12, 22, 32, 42, 52, 62 constituting the log structure is not limited to the number shown in each embodiment, but depends on the installation location. Can be appropriately selected.
【0032】[0032]
【発明の効果】本発明は以上詳述した如く構成したか
ら、下記の諸効果を奏する。 (1)丸太構造体を構成する丸太に植生用凹部を形成す
ると共に、該植生用凹部に連通する通水孔を穿設し、植
生用凹部に雨水或は河川の水を導入して植生基材に給水
するようにしたから、種子の育成を図ることができる。 (2)丸太の裁断、支持材挿通穴の穿設、植生用凹部の
切削形成、通水孔の穿設等の加工作業及び植生基材の装
填作業は全て工場で予め行うことが可能であり、現場で
は組み付け作業のみを行なえばよいので、現場での施工
を容易に能率よく短期間で行うことが可能であるから、
作業の省力化を図ることができる。 (3)丸太構造体に草木が一体に繁殖して地盤に根が張
ることによって高い土留め効果を発揮できるし、地盤に
対する丸太構造体の定着性を高めることができる。しか
も、自然の景観に近い状態に形成することができ景観の
保全に資することができる。 (4)丸太構造体を構成する複数本の丸太を連結材によ
り連結してパネル状に一体化することにより、工場から
現場への搬送及び現場での設置作業を効率よく行なうこ
とが可能であるので、作業の省力化を図ることができ
る。 (5)多数の丸太は支持材挿通孔に長尺の支持材を挿通
することにより連結し、従来の針金による締結やボルト
による締着作業は不要にしたから、緑化型土留め構造物
の組み付けを容易に、かつ効率よく行うことができる
し、この長尺支持材を地中に打ち込むことにより、緑化
型土留め構造物の設置を容易に行うことができる。 (6)植生基材体は腐食性又は分解性材料からなる保形
袋に収納し、或はシートに貼着してあるから、工場或は
現場のいずれの場所でも植生用凹部に容易に装填するこ
とができる。The present invention is constructed as described in detail above.
Have the following effects. (1)Form vegetation recesses in logs that make up the log structure
Water holes communicating with the vegetation recesses, and
Introduce rainwater or river water into the raw recess to supply water to the vegetation base
Therefore, seeds can be grown. (2) Cutting logs, drilling holes for supporting materials,
Cutting formation,Drilling water holesProcessing work such as
All filling operations can be performed in advance at the factory,
Is only required to perform the assembly work,
Can be easily and efficiently performed in a short period of time,
Labor saving of work can be achieved. (3) Plants and plants grow together in the log structure and roots are established in the ground
High soil retention effect by doing
The fixing property of the log structure with respect to it can be improved. Only
Can be formed in a state close to the natural landscape
Can contribute to conservation. (4) Multiple logs that make up the log structure
From the factory by connecting
Efficient transportation to the site and installation work at the site
Can save labor.
You. (5) Many logs insert long support material into support material insertion hole
By connecting with the conventional wire fastening and bolts
Greening-type earth retaining structure
Can be easily and efficiently assembled
By driving this long support material into the ground,
Installation of the mold retaining structure can be easily performed. (6) Vegetation base material is a shape-retaining material made of corrosive or degradable material
Stored in a bag or affixed to a sheet,
Easily mount vegetation recesses anywhere in the fieldFillRuko
Can be.
【図1】図1ないし図8は本発明の第1の実施の形態に
係り、図1は緑化型土留め構造物の全体構成図である。FIG. 1 to FIG. 8 relate to a first embodiment of the present invention, and FIG. 1 is an overall configuration diagram of a greening type earth retaining structure.
【図2】植生基材を保形袋に収納した植生基材体の部分
破断図である。FIG. 2 is a partially cutaway view of a vegetation base body in which the vegetation base is stored in a shape-retaining bag.
【図3】加工した丸太の要部縦断面図である。FIG. 3 is a vertical sectional view of a main part of a processed log.
【図4】設置状態にある緑化型土留め構造物の部分縦断
面図である。FIG. 4 is a partial longitudinal sectional view of a greening type earth retaining structure in an installed state.
【図5】林道側面に緑化型土留め構造物を設置した状態
の説明図である。FIG. 5 is an explanatory view of a state where a greening type earth retaining structure is installed on a side of a forest road.
【図6】山腹に緑化型土留め構造物を設置した状態の説
明図である。FIG. 6 is an explanatory view showing a state where a greening type earth retaining structure is installed on a mountainside.
【図7】傾斜地の遊歩道に多数の緑化型土留め構造物を
設置して階段を形成した状態の説明図である。FIG. 7 is an explanatory view of a state in which a number of greening type earth retaining structures are installed on a promenade on a slope and stairs are formed.
【図8】変形例に係る緑化型土留め構造物の全体構成図
である。FIG. 8 is an overall configuration diagram of a greening type earth retaining structure according to a modification.
【図9】第2の実施の形態に係る緑化型土留め構造物の
全体構成図である。FIG. 9 is an overall configuration diagram of a greening type earth retaining structure according to a second embodiment.
【図10】第3の実施の形態に係る緑化型土留め構造物
の全体構成図である。FIG. 10 is an overall configuration diagram of a greening type earth retaining structure according to a third embodiment.
【図11】図11及び図12は第4の実施の形態に係
り、図11はシートに植生基材を貼着した植生基材体の
全体構成図である。FIG. 11 and FIG. 12 relate to a fourth embodiment, and FIG. 11 is an overall configuration diagram of a vegetation base member in which a vegetation base member is attached to a sheet.
【図12】植生基材体を折り畳んだ状態の説明図であ
る。FIG. 12 is an explanatory view of a state where the vegetation base material is folded.
【図13】第5の実施の形態に係る緑化型土留め構造物
の斜視図である。FIG. 13 is a perspective view of a greening type earth retaining structure according to a fifth embodiment.
【図14】第6の実施の形態に係る緑化型土留め構造物
の要部縦断面図である。FIG. 14 is a vertical sectional view of a main part of a greening type earth retaining structure according to a sixth embodiment.
【図15】第5及び第6の実施の形態に係る緑化型土留
め構造物を土手に設置した状態を示す説明図である。FIG. 15 is an explanatory view showing a state where the greening type retaining structure according to the fifth and sixth embodiments is installed on a bank.
1、11、21、31、41、51、61 丸太構造
体 2、12、22、32、42、52、62 丸太 3、53 支持材挿通孔 4、33、54、55 植生用凹部5 雨水流入孔(通水孔) 7 植生基材 8、35、57、66 保形袋 9 アンカー(長尺支持材) 24 連結材 42 シート 63 凹陥部64 通水孔 1, 11, 21, 31, 41, 51, 61 Log structure
Body 2, 12, 22, 32, 42, 52, 62 Log 3, 53 Supporting material insertion hole 4, 33, 54, 55 Vegetation recess5 Rainwater inflow hole (water passage hole) 7 Vegetation base material 8, 35, 57, 66 Shape retention bag 9 Anchor (long support material) 24 Connecting material 42 Sheet 63 Depressed portion64 Water hole
フロントページの続き (56)参考文献 特開 平11−200376(JP,A) 特開 平8−246481(JP,A) 特開 平11−81249(JP,A) 特開 平1−158113(JP,A) 特開 平10−219653(JP,A) 特開 平11−61829(JP,A) 特開2000−27190(JP,A) 特開2000−27189(JP,A) 実開 昭64−651(JP,U) (58)調査した分野(Int.Cl.7,DB名) E02D 17/20 103 E02D 17/20 102 Continuation of front page (56) References JP-A-11-200376 (JP, A) JP-A-8-246481 (JP, A) JP-A-11-81249 (JP, A) JP-A-1-158113 (JP, A) JP-A-10-219653 (JP, A) JP-A-11-61829 (JP, A) JP-A-2000-27190 (JP, A) JP-A-2000-27189 (JP, A) 651 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) E02D 17/20 103 E02D 17/20 102
Claims (7)
構造体を地盤に固定して土留めする土留め構造物であっ
て、前記丸太の各々には植生用凹部と、該植生用凹部に
連通する通水孔を夫々形成し、該植生用凹部内に植生基
材を装填したことを特徴とする緑化型土留め構造物。1. An earth retaining structure for connecting a plurality of logs to each other and fixing an integrated log structure to a ground to retain the soil, wherein each of the logs has a vegetation recess, and a vegetation recess . In the recess
A greening type earth retaining structure, wherein a communicating hole is formed, and a vegetation base material is loaded in the vegetation recess.
後面にかけて形成した貫通穴とし、前記通水孔は前記丸
太に縦方向に形成した雨水流入孔としたことを特徴とす
る請求項1記載の緑化型土留め構造物。 2. The vegetation recess from the front of the log
The through hole is formed over the rear surface, and the water hole is the round hole.
It is characterized by a rainwater inflow hole formed vertically thick.
The greening type earth retaining structure according to claim 1.
上側面に長手方向に沿って形成した凹状溝部からなるこ
とを特徴とする請求項1記載の緑化型土留め構造物。Wherein the vegetation recess is this consisting of a concave groove which is formed along the longitudinal direction on an upper surface of the log that is horizontally provided
The greening type earth retaining structure according to claim 1 , characterized in that:
上端面から縦方向に凹設した凹陥部からなり、前記通水
孔は該凹陥部の底部側に連通し、該丸太の外面に開口し
て穿設してあることを特徴とする請求項1記載の緑化型
土留め構造物。Wherein said vegetation recess consists recess which is recessed in the longitudinal direction from the upper end surface erected the log, said water flow
A hole communicates with the bottom side of the recess and opens into the outer surface of the log.
The greening type earth retaining structure according to claim 1, wherein the earth retaining structure is formed by drilling .
連結材により連結してパネル状に形成してあることを特
徴とする請求項1記載の緑化型土留め構造物。Wherein said log structures, especially that is formed by connecting the connecting member to the log of the plurality of the panel-shaped
Claim 1 greening type earth retaining structure according shall be the symptom.
記丸太の各々に穿設した挿通孔に長尺支持材を挿通して
一体化し、かつ該長尺支持材の突出部を地中に打ち込む
ことにより地盤に固定するようにしたことを特徴とする
請求項1記載の緑化型土留め構造物。6. The method according to claim 1, wherein the log structures are arranged in front of a plurality of stacks.
A long support material is inserted into an insertion hole formed in each of the logs to be integrated, and the protruding portion of the long support material is fixed to the ground by being driven into the ground . The greening type earth retaining structure according to claim 1.
により形成した保形袋に収容し、又は腐食性又は分解性
材料により形成したシートに貼着してあることを特徴と
する請求項1記載の緑化型土留め構造物。Wherein said vegetation substrate, and characterized in that are adhered to the accommodating shape retention bag formed by corrosive or degradable material, or formed by corrosive or degradable material sheet
The greening type earth retaining structure according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21047699A JP3303164B2 (en) | 1999-07-26 | 1999-07-26 | Greening type earth retaining structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21047699A JP3303164B2 (en) | 1999-07-26 | 1999-07-26 | Greening type earth retaining structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001032286A JP2001032286A (en) | 2001-02-06 |
JP3303164B2 true JP3303164B2 (en) | 2002-07-15 |
Family
ID=16589987
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Application Number | Title | Priority Date | Filing Date |
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JP21047699A Expired - Fee Related JP3303164B2 (en) | 1999-07-26 | 1999-07-26 | Greening type earth retaining structure |
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JP (1) | JP3303164B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4528466B2 (en) * | 2001-06-14 | 2010-08-18 | 天龍ホールディングス株式会社 | Wooden fence support and wooden fence |
KR100431283B1 (en) * | 2001-12-14 | 2004-05-12 | 삼성에버랜드 주식회사 | Revetment construction method using wood-root-stalk |
-
1999
- 1999-07-26 JP JP21047699A patent/JP3303164B2/en not_active Expired - Fee Related
Also Published As
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