JPS62148720A - Vegetation-planting work for slope - Google Patents

Abstract

PURPOSE:To improve scenery by providing vegetation-planting work for slope by a method in which bearing plates are set on a step slope, and various base materials for vegetation-planting work are put on them and fixed to form a thick growth base for plants. CONSTITUTION:Lock bolts 2 are driven into slope 1 and concrete bearing plates 3 are attached to the exposed portion of the bolts 2, and fixed to the slope 1. Base materials 4 for fixing vegetation, e.g., metal nets, etc., are set in such a way as to expose or cover the bearing plates 3. A vegetation-planting base 6 composed of soil, seeds, fertilizer, etc., is sprayed onto the surface of the materials 4. A vegetation-planting subgrade having high stability and free of separation of soil blocks can thus be obtained, and the erosion of the surface soil can be prevented by controlling the flow rates of surface and ground waters.

Description

【発明の詳細な説明】 （発明の目的１ Ｌ裏五＠■皿傾１ 本発明はベアリングプレートを適宜配置・定着し強化し
た斜面、特に急勾配の斜面をも緑化することのできる工
法に関するものである。[Detailed description of the invention] (Objective of the invention 1 L Ura 5 @ ■ Disc tilt 1 The present invention relates to a construction method that is capable of greening even steep slopes, especially steep slopes, where bearing plates are appropriately arranged and fixed to strengthen the slope. It is.

従来、斜面の緑化工法としては、斜面にネットを張り、
その上に土・種子・肥料等から成る泥状の植生基材を吹
付けたり、或いはネットにポケットを取付けて泥吹きし
、ポケット部分の土塊を厚く盛り付けて植生を行なうも
のがあった。Traditionally, the slope greening method involves placing a net on the slope.
Some methods involved spraying a muddy vegetation base consisting of soil, seeds, fertilizer, etc. on top of the net, or attaching pockets to a net and spraying with mud, and then planting a thick layer of soil in the pocket area to create vegetation.

明が　　しようとする　　り しかしながら、上記従来吹付けの工法は、吹付けによる
植生基材の土塊が剥れ易かったり、薄くて保水性が悪く
、その結果根が発達しにくくて植物が育ちにくい等の問
題点があり、また、ポケット泥状きによる盛付は工法も
保水性が十分でなくて植物が枯死する等の問題点があっ
た。However, with the conventional spraying method mentioned above, the soil clods of the vegetation base material are easy to peel off, are thin and have poor water retention, and as a result, it is difficult for roots to develop and plants to grow. In addition, the method of plating using pocket mud also had problems such as insufficient water retention, which caused plants to wither.

さらに、これらの従来工法は急傾斜の斜面には施工が不
可能であった。Furthermore, these conventional construction methods cannot be used on steep slopes.

本発明は、上記従来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、特に、風化侵食を受
は易く斜面崩壊を引き起し易い急傾斜地や岩盤斜面を緑
化し、その景観を良くすると共に、安定した土塊を形成
して保水性に優れた斜［発明の構成］ 。　ヴを　゛するための一 本発明の斜面緑化工法は、急勾配の斜面にベアリングプ
レートを適宜配置して定着せしめた法面工法において、
受部を先付は又は後付けした金網・ネット類等の植生基
材定着部材を張装すると共に、該受部を上記ベアリング
プレートの上側、下側および／または中間部に位置せし
め、これに各種植生基材を定着させて意識的に厚い植物
の生育基盤を形成させ、急勾配の斜面においても良好な
植生により、表面の崩壊を防止することを特徴とするも
のである。The present invention was made in order to solve the above-mentioned conventional problems, and its purpose is particularly to green steep slopes and rock slopes that are easily subject to weathering erosion and cause slope failure, A slope that not only improves the landscape but also forms stable soil clods and has excellent water retention properties [Structure of the invention]. The slope greening method of the present invention is a slope greening method in which bearing plates are appropriately arranged and fixed on a steep slope.
A vegetation base fixing member such as a wire mesh or net, which has a receiving part attached first or later, is stretched, and the receiving part is placed on the upper side, lower side and/or middle part of the bearing plate, and various types of It is characterized by intentionally forming a thick base for plant growth by fixing the vegetation base material, and preventing the surface from collapsing even on steep slopes with good vegetation.

実施例 以下、本発明の一実施例について図面を参照しながら説
明する。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings.

ｆＪＳ１図及び第２図において、１は斜面であって、そ
の適宜位置にロックボルト２が打ち込まれている。該ロ
ックボルト２の露出部にはコンクリート製のベアリング
プレート３が取り付けられ、斜面１に定着されている。In Fig. fJS1 and Fig. 2, 1 is a slope, and lock bolts 2 are driven into appropriate positions thereof. A concrete bearing plate 3 is attached to the exposed portion of the rock bolt 2 and fixed to the slope 1.

本発明のベアリングプレート３は、上記コンクリート製
のものに限定するものではなく、金属板、プラスチック
板等要するに比較的受圧面積の広い大形プレート状の受
圧材であって地山背面から作用する土庄等に抵抗できる
ものであればいずれでもよい。従ってその形状も本実施
例の正方形に限らず長方形、多角形、円形等いずれの形
状でも良い。The bearing plate 3 of the present invention is not limited to the above-mentioned one made of concrete, but is a metal plate, a plastic plate, etc. In short, it is a large plate-shaped pressure receiving material with a relatively large pressure receiving area, and is a pressure receiving material that acts from the back side of the ground. Any material that can resist the above may be used. Therefore, its shape is not limited to the square of this embodiment, but may be any shape such as a rectangle, a polygon, or a circle.

また、本実施例において、ベアリングプレート３は水平
方向に一定間隔をあけて多段に整列され、上下の関係は
千鳥状に配列されているが、これに限定するものではな
く、ベアリングプレート３の配置は自由に設定し得る。Further, in this embodiment, the bearing plates 3 are arranged in multiple stages at regular intervals in the horizontal direction, and the vertical relationship is staggered, but the arrangement of the bearing plates 3 is not limited to this. can be set freely.

ベアリングプレート３の定着に続いて、該ベアリングプ
レート３部分を露出させた状態或いは被覆するように、
斜面１に金網・ネット類等の植生基材定着部材４を先付
けする。この植生基材定着部材４は、上記金網・ネット
類の他にプラスチック製網、パンチング穴をあけたシー
ト又は板状のもの、多数の紐・ロープ等を張装させて構
成したもの等、各種の材質や形態のものも含まれる。Following fixation of the bearing plate 3, a portion of the bearing plate 3 is exposed or covered;
A vegetation base material fixing member 4 such as a wire mesh or net is attached to the slope 1 first. In addition to the above-mentioned wire meshes and nets, the vegetation base material fixing member 4 can be made of various types, such as plastic nets, sheets or plates with punched holes, and ones made by stretching a large number of strings, ropes, etc. It also includes materials and shapes.

この植生基材定着部材４には、ｔｊＩＪ２図から明らか
なように、上記ベアリングプレート３の上側、中間また
は下側の位置、或いは上下のベアリングプレート３の開
等の各位置に、ポケット状の受部５を形成している。該
受部５は別に形成して定着部材４に取り付けるようにし
てもよい。As is clear from FIG. It forms part 5. The receiving portion 5 may be formed separately and attached to the fixing member 4.

次に、上記植生基材定着部材４の表面に土と種子と肥料
等を混合した泥土状の植生基材６を吹付ける。Next, a mud-like vegetation base material 6, which is a mixture of soil, seeds, fertilizer, etc., is sprayed onto the surface of the vegetation base material fixing member 4.

この際、上記植生基材定着部材４の受部５に厚肉状の土
塊Ａ−Ｇを作る。この土塊の配列状態は、第１図にその
各種形態を例示するように、水平筋状Ａ−Ｄ、点（断続
）状Ｅ１傾斜状Ｆ、波形状Ｇなど任意に形成することが
できる。At this time, thick earth clods A to G are formed in the receiving portion 5 of the vegetation base material fixing member 4. The arrangement of the earth clods can be arbitrarily formed, such as horizontal streaks A-D, dotted (intermittent) E1, slanted F, and wavy G, as shown in FIG. 1.

また、ベアリングプレート３の表面にも必要に応じて泥
吹きを行なう。Further, the surface of the bearing plate 3 is also sprayed with mud if necessary.

以上のようにして形成された土塊のうち特に、ベアリン
グプレート３の上側の土ＫＡはペアリン乃−−＋’ｌ、
Ｌ’）Ｉ−）ｒＪ−ＭＭＲＪｑｒ＋、ｓｒｆ＆ｉ＋＋−
くいため、３０ｃｍ程度の厚さまで形成可能であり、そ
のため植物根を発達させ易いので、芝や草木類の他に低
木類も植生可能となり、また、ベアリングプレート３の
表面に垂れ下ってこれを覆い隠せるような葉を有する植
物を植生せしめるのも効果的である。Among the soil masses formed as described above, especially the soil KA on the upper side of the bearing plate 3 is
L')I-)rJ-MMRJqr+,srf&i++-
Because it is thick, it can be formed up to a thickness of about 30 cm, and therefore it is easy for plant roots to develop, so it is possible to grow shrubs in addition to grass and plants. It is also effective to grow plants with leaves that can be hidden.

ま゛た、ベアリングプレート３の下側の土塊Ｂには特に
ベアリングプレート３の周囲を伝わって雨水等が集中し
て湿潤状態になり易かったり日陰になり易く、また部材
受部により形成された表面の凹凸により表面水、地下水
の流下速度をコントロールすることにより、表面侵食を
防止するとともに水を滞留させる効果により保水性が向
上し、特に乾季において枯れに（い特徴がある。尚、特
に土塊Ｂ部分の植物は、上方に生育してベアリングプレ
ート３を覆い隠すことができる植物を採用すると効果的
である。In addition, the soil mass B on the lower side of the bearing plate 3 is particularly susceptible to rainwater, etc. that travels around the bearing plate 3 and concentrates on it, making it prone to becoming wet or in the shade, and the surface formed by the member receiving part. By controlling the flow rate of surface water and groundwater through the unevenness of the soil, surface erosion is prevented, and water retention is improved due to the effect of retaining water. It is effective to adopt plants that can grow upward and cover the bearing plate 3 as the plants in the parts.

さらに、ベアリングプレート３の中間や上下のベアリン
グプレート３，３の開の受部５の土塊Ｃ等も安定して保
持されているので、剥がれにくく、植生を形成し易い。Furthermore, since the earth clods C and the like in the middle of the bearing plate 3 and the open receiving parts 5 of the upper and lower bearing plates 3, 3 are stably held, they are difficult to peel off and are easy to form vegetation.

尚、上記実施例では植生基材定着部材４をベアリングプ
レート３を定着した後に、いわゆる後付けしたが、先付
けしてもよい。In the above embodiment, the vegetation base material fixing member 4 is attached after the bearing plate 3 is fixed, but it may be attached in advance.

第３図は、上記第１図の実施例の正方形ベアリングプレ
ート３を４５°回転せしめて菱形状に定着せしめた場合
の実施例を示すもので、この場合にもベアリングプレー
ト３の上側、下側、中間位置等に各種の土ｆｉＡ−Ｇを
形成、配置せしめることができる。FIG. 3 shows an embodiment in which the square bearing plate 3 of the embodiment shown in FIG. 1 is rotated by 45 degrees and fixed in a diamond shape. , various types of soil fiA-G can be formed and arranged at intermediate positions and the like.

また、上記実施例は泥土状植生基材６を吹付けたもので
あるが、第４図に示すように、植生基材定着部材４の受
部５に固形状の植生基材７を定着せしめたり、或いは受
部５にワラ等を敷詰めて、その上に半固形状、粉粒状、
半流動状等の各種の植生基材を設置し、受部以外は種肥
付マット８等を張装せしめるようにしてもよい。Further, in the above embodiment, the mud-like vegetation base material 6 was sprayed, but as shown in FIG. Or, fill the receiving part 5 with straw, etc., and place semi-solid, powdery, granular, etc.
Various types of vegetation base materials such as semi-fluid materials may be installed, and the areas other than the receiving portions may be covered with seed fertilizer mats 8 or the like.

［発明の効果］ （１）斜面にベアリングプレートを定着したので、特に
急傾斜地の斜面崩壊を効果的に防止し得る。[Effects of the Invention] (1) Since the bearing plate is fixed to the slope, slope collapse can be effectively prevented, especially on steep slopes.

（２）ベアリングプレートの特に上側および下側にポケ
ット状の受部を形成あるいは取付けて、これに植生基材
を定着せしめるようにしたので、土塊が剥れにくく安定
した植生基盤を得ることができ、特に風化等がはげしい
斜面でも効果的である。(2) Pocket-shaped receivers are formed or attached to the upper and lower sides of the bearing plate, and the vegetation base material is anchored to these pockets, making it possible to obtain a stable vegetation base that prevents soil clods from peeling off. It is especially effective on heavily weathered slopes.

（３）ベアリングプレートの上側に、植生基材の土塊を
形成せしめるようにしたので、非常に安定した基盤を得
ることが出来、葉の長い植物を植生せしめるのに効果的
である。(3) Since a soil clod of vegetation base material is formed on the upper side of the bearing plate, a very stable base can be obtained, which is effective for growing plants with long leaves.

（４）ベアリングプレートの下側に植生基材の土塊を形
成せしめるようにしたので、ベアリングプレートの周囲
を伝わって雨水等が集中して湿潤状態になり易かったり
日陰になり易くて保水性に富み、特に乾季において枯れ
にくい。(4) Since a soil clod of vegetation base material is formed on the underside of the bearing plate, it is easy for rainwater etc. to travel around the bearing plate and concentrate, resulting in a moist state or shade, and has high water retention properties. , it is difficult to wither, especially in the dry season.

（５）受部により形成された表面の凹凸により表面水、
地下水の流下速度をコントロールすることにより表面侵
食を防止し得ると共に、受部に水を滞留させて保水性を
向上せしめることができる。(5) Surface water due to the unevenness of the surface formed by the receiving part.
By controlling the flow rate of groundwater, surface erosion can be prevented, and water retention can be improved by retaining water in the receiving part.

【図面の簡単な説明】[Brief explanation of drawings]

＃ＩＪ１図は本発明の一施工例を示す斜面の正面図、第
２図は第１図の部分拡大断面図、第３図は別の実施例を
示す正面図、第４図は固形状の植生基材を配置した更に
別の実施例を示す断面図である。 １・・・斜面、２・・・ロックボルト、３・・・ベアリ
ングプレート、４・・・植生基材定着部材、５・・・受
部、６・・・泥土状植生基材、７・・・固形状植生基材
、８・・・種肥付マット、Ａ−Ｇ・・・土ＪＩＩＬ。Figure #IJ1 is a front view of a slope showing one construction example of the present invention, Figure 2 is a partially enlarged cross-sectional view of Figure 1, Figure 3 is a front view of another embodiment, and Figure 4 is a front view of a slope showing a construction example of the present invention. It is a sectional view showing still another example in which a vegetation base material is arranged. DESCRIPTION OF SYMBOLS 1... Slope, 2... Rock bolt, 3... Bearing plate, 4... Vegetation base material fixing member, 5... Receiving part, 6... Mud-like vegetation base material, 7...・Solid vegetation base material, 8... Mat with seed fertilizer, A-G... Soil JIIL.

Claims (1)

【特許請求の範囲】[Claims] 急勾配の斜面にベアリングプレートを適宜配置して定着
せしめた法面工法において、受部を先付け又は後付けし
た金網・ネット類等の植生基材定着部材を張装すると共
に、該受部を上記ベアリングプレートの上側、下側およ
び／または中間部に位置せしめ、これに各種植生基材を
定着させて意識的に厚い植物の生育基盤を形成させ、急
勾配の斜面においても良好な植生により、表面の崩壊を
防止することを特徴とする斜面緑化工法。In the slope construction method, in which bearing plates are appropriately arranged and fixed on a steep slope, a vegetation base fixing member such as a wire mesh or net with a receiving part attached first or later is stretched, and the receiving part is attached to the bearing plate. It is placed on the upper, lower and/or middle part of the plate, and a variety of vegetation substrates are attached to it to intentionally form a thick base for plant growth. A slope greening method characterized by preventing collapse.