JP5711992B2 - Pressure-receiving structure for slope stabilization - Google Patents
Pressure-receiving structure for slope stabilization Download PDFInfo
- Publication number
- JP5711992B2 JP5711992B2 JP2011029041A JP2011029041A JP5711992B2 JP 5711992 B2 JP5711992 B2 JP 5711992B2 JP 2011029041 A JP2011029041 A JP 2011029041A JP 2011029041 A JP2011029041 A JP 2011029041A JP 5711992 B2 JP5711992 B2 JP 5711992B2
- Authority
- JP
- Japan
- Prior art keywords
- slope
- pressure
- receiving structure
- sand
- pressure receiving
- 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.)
- Active
Links
- 230000006641 stabilisation Effects 0.000 title claims description 5
- 238000011105 stabilization Methods 0.000 title claims description 5
- 239000004576 sand Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 235000019658 bitter taste Nutrition 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 22
- 239000000463 material Substances 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 5
- 238000005422 blasting Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Description
本発明は、法面の安定化のため法面にアンカーボルト又は鉄筋によって固定される受圧構造物に関する。 The present invention relates to a pressure receiving structure fixed to a slope by anchor bolts or reinforcing bars for stabilization of the slope.
近年、法面の崩落や地滑りを防止するため、鉄筋を撚り合わせ、又はアンカーボルトを地盤に掘削した孔に挿入したのち、法面から突出する鉄筋又はアンカーボルト部分にプレキャストコンクリート製の受圧板を差込み、ついで受圧板より突出する鉄筋又はアンカーボルトの突出端にナットを締め込んで固定するグラウンドアンカー工法又は鉄筋挿入工が採用されており、軽量化を図るために受圧板を繊維強化樹脂（以下、ＦＲＰという）製としたもの、横方向のリブと縦方向のリブよりなる格子状にしたもの、更には格子状の受圧板をＦＲＰ製としたものなども知られる。 In recent years, in order to prevent slope collapse and landslide, after reinforcing bars are twisted or anchor bolts are inserted into holes excavated in the ground, a precast concrete pressure plate is applied to the reinforcing bars or anchor bolts protruding from the slope. A ground anchor method or a reinforcing bar insertion method is used, in which a nut is tightened and fixed to the protruding end of a reinforcing bar or anchor bolt that protrudes from the pressure receiving plate. , FRP), a lattice made of lateral ribs and longitudinal ribs, and a lattice-shaped pressure receiving plate made of FRP are also known.
受圧構造物として用いられる格子状の受圧板は、該受圧板を通しての植生が可能で、植生は植物の種子や客土等よりなる植生基材を開口内に入れ、或いは開口内に客土を入れたのち種子等を吹き付けることにより行われるが、風雨によって植生基材が流出することがある。とくに植生基材を受圧板上にまで被せた場合、受圧板上の植生基材が風雨により流出し易い。 The grid-shaped pressure receiving plate used as the pressure receiving structure can be vegetated through the pressure receiving plate, and the vegetation includes a vegetation base material made of plant seeds, soil, etc. in the opening, or places the soil in the opening. Although it is performed by spraying seeds etc. after putting, the vegetation base material may flow out due to wind and rain. In particular, when the vegetation base material is put on the pressure receiving plate, the vegetation base material on the pressure receiving plate is likely to flow out due to wind and rain.
本発明は、客土や種子等よりなる植生基材の保持が確実に行えるような法面安定化用の受圧構造物を提供することを目的とする。 An object of the present invention is to provide a pressure-receiving structure for stabilizing a slope so that a vegetation base made of soil, seeds, or the like can be reliably held.
請求項１に係わる発明は、法面の安定化のため法面にアンカーボルト又は鉄筋によって固定される受圧構造物であって、樹脂又は金属製で、多数の開口を備えた盤体よりなり、該盤体は下面を除く表面全体又は下面を含む表面全体が砂、好ましくは珪砂の吹付けにより粗目に形成され、植物の種子や客土などの植生基材が引掛り、剥離しにくくされることを特徴とする。 The invention according to claim 1 is a pressure receiving structure fixed to the slope by anchor bolts or reinforcing bars for stabilization of the slope, made of resin or metal, and made of a board having a large number of openings,該盤body entire surface including the whole or bottom surface except for the lower surface is sand, preferably formed on the coarse by blowing sand, vegetation substrate such plant seeds and soil dressing is caught, rather then difficulty peeling It is characterized by being .
請求項１に係わる発明の受圧構造物によると、法面に設置した状態で露出する表面は全て砂で被覆されるため、外観上周辺の景観と一体化し、自然と調和できるようになること、前記表面が砂の吹き付けによって粗面となることにより表面に被せた植生基材が粗目に
引掛って定着し保持され易くなり、風雨による流出が生じにくくなると共に、植物が構造物の全面で繁茂し易くなる。
According to the pressure-receiving structure of the invention according to claim 1, since all surfaces exposed in the state of being installed on the slope are covered with sand, it is integrated with the surrounding landscape on the appearance, and can be harmonized with nature. wherein the surface is liable vegetation substrate covered on the surface by a rough surface is held fixed I hooked into coarse by blasting sand, along with the outflow by wind and rain Kuku becomes occur, the entire surface of the plant structure It becomes easy to grow.
以下、本発明の実施形態の構造物について図面により説明する。
図１に示す受圧構造物１は、縦方向のリブ２ａと横方向のリブ２ｂよりなり、矩形の開口３（該開口３は、図示する例では正方形になっているが、長方形であってもよい）を縦横に多数形成した鋼製又は樹脂製、好ましくは強度に富み、かつ軽量なＦＲＰ製の格子状構造物よりなる盤体２の下面を除く全面、すなわち上面、四囲の側面及び開口３を形成する四面に図２に示すように樹脂製の接着剤入りの珪砂４を吹き付けて固着し、表面を粗目としたものである。
Hereinafter, a structure according to an embodiment of the present invention will be described with reference to the drawings.
A pressure receiving structure 1 shown in FIG. 1 includes a rib 2a in a vertical direction and a rib 2b in a horizontal direction, and has a rectangular opening 3 (the opening 3 has a square shape in the illustrated example. Good) are formed of steel or resin, preferably full of strength and light, and the entire surface excluding the lower surface of the plate body 2 made of a lightweight FRP lattice structure, that is, the upper surface, the four sides and the opening 3 As shown in FIG. 2, the silica sand 4 containing resin adhesive is sprayed and fixed to the four surfaces forming the surface to make the surface rough.
前記実施形態の構造物１では、表面を粗目とするために珪砂４を吹き付けて固着しているが、珪砂に代えて砂やガラスの粉砕片、或いは他の粉粒状物を吹き付けてもよいし、ショットブラストやサンドペーパーを用いて表面を粗目加工してもよく、また表面にサンドペーパーを貼り付けてもよい。かかる手段のなかでは、砂や珪砂で表面を粗目とするのが周辺の景観と一体化し、自然と調和するうえで好ましい。 In the structure 1 of the embodiment, the silica sand 4 is sprayed and fixed in order to make the surface rough, but instead of the silica sand, crushed pieces of sand or glass, or other powdered particles may be sprayed. The surface may be roughened using shot blasting or sandpaper, or the sandpaper may be attached to the surface. Among these means, it is preferable to make the surface rough with sand or quartz sand in order to integrate with the surrounding landscape and harmonize with nature.
前記実施形態の構造物１ではまた、下面を除く全面が粗目に形成されているが、開口３を形成する四面のみを粗目としてもよいし、開口３を形成する四面と上面を粗目としてもよく、また下面を含む全面を粗目としてもよい。 In the structure 1 of the above embodiment, the entire surface except the lower surface is formed coarse, but only the four surfaces forming the opening 3 may be rough, or the four surfaces forming the opening 3 and the upper surface may be rough. The entire surface including the lower surface may be rough.
前記実施形態の構造物１はまた、盤体２が格子状構造物より構成されているが、開口が矩形以外の構造物、例えば六角形で、ハニカム状に形成されていてもよいし、図３に示すように径の異なる円形の枠６を同心円状に配置して桟７で放射状に連結し、開口８が円弧状をなすものであってもよい。またサイズの異なる矩形の枠を同心円状に配置して放射状の桟で連結し、開口が台形をなすものであってもよい。 In the structure 1 of the above-described embodiment, the plate body 2 is formed of a lattice structure, but the opening may be a structure other than a rectangle, for example, a hexagon, and may be formed in a honeycomb shape. As shown in FIG. 3, the circular frames 6 having different diameters may be arranged concentrically and connected radially by the crosspieces 7, and the openings 8 may be arcuate. Alternatively, rectangular frames of different sizes may be arranged concentrically and connected by radial bars, and the opening may form a trapezoid.
図４は、図１に示す受圧構造物１の使用例を示すもので、法面の地盤１１にあけた穴にアンカーボルト１２（アンカーボルト１２に代え、撚り合わせた鉄筋を用いてもよい）を常法のように挿入して固定し、法面から突出する部分に前記構造物１を中央部において差込み、ついで押え板１３を差し込んだのち、押え板１３より突出するボルト突出端（鉄筋を用いる場合は鉄筋突出端）に袋ナット１４を締着して構造物１を固定してなるもので、植物の種子が入った植生基材１５を開口３内に入れ、更に前記構造物１上に被せてなるものである。 FIG. 4 shows an example of use of the pressure-receiving structure 1 shown in FIG. 1, and anchor bolts 12 (in place of the anchor bolts 12, twisted reinforcing bars may be used) in holes drilled in the ground 11 of the slope. Is inserted and fixed in a conventional manner, and the structure 1 is inserted into a portion protruding from the slope at the center, and then the holding plate 13 is inserted, and then a bolt protruding end (rebar is protruded from the holding plate 13). When using, the structure 1 is fixed by fastening the cap nut 14 to the protruding end of the reinforcing bar. A vegetation base material 15 containing plant seeds is placed in the opening 3, and further on the structure 1. It is a thing to cover.
受圧構造物として用いた本実施形態の構造物１によると、植生基材が粗目に形成された構造物１の表面に引掛って付着し易くなり、植生基材を構造物１上に被せない場合はもちろんのこと、構造物１上に被せた植生基材が例え風雨により洗い流されて構造物１の表面が露出するようなことがあったとしても、構造物表面に固着される珪砂４が周りの法面の地肌と調和する。 According to the structure 1 of the present embodiment used as a pressure-receiving structure, the vegetation base material is easily caught on and attached to the surface of the structure 1 that is formed coarsely, and the vegetation base material is not covered on the structure 1. Of course, even if the vegetation base material covered on the structure 1 is washed away by wind and rain and the surface of the structure 1 is exposed, the silica sand 4 fixed to the surface of the structure 1 is present. Harmonize with the surrounding slopes.
１・・構造物
２・・盤体
３、８・・開口
４・・珪砂
１１・・地盤
１２・・アンカーボルト
１３・・押え板
１４・・袋ナット
１５・・植生基材
1 .. Structure 2 .. Board body 3 and 8 .. Opening 4 .. Silica sand 11.. Ground 12. Anchor bolt 13. Holding plate 14. Cap nut 15.
Claims (1)
A pressure-receiving structure fixed to the slope with anchor bolts or reinforcing bars for stabilization of the slope, which is made of resin or metal and has a large number of openings, which is the surface excluding the bottom surface is formed on the entire or coarse entire surface including the bottom surface by spraying the sand, for slope stabilization, wherein the vegetation substrate, such as plant seeds and soil dressing is caught, it is peeled difficulty bitterness Pressure receiving structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011029041A JP5711992B2 (en) | 2011-02-14 | 2011-02-14 | Pressure-receiving structure for slope stabilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011029041A JP5711992B2 (en) | 2011-02-14 | 2011-02-14 | Pressure-receiving structure for slope stabilization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012165682A JP2012165682A (en) | 2012-09-06 |
| JP5711992B2 true JP5711992B2 (en) | 2015-05-07 |
Family
ID=46970513
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011029041A Active JP5711992B2 (en) | 2011-02-14 | 2011-02-14 | Pressure-receiving structure for slope stabilization |
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| Country | Link |
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| JP (1) | JP5711992B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6153004B2 (en) * | 2013-04-22 | 2017-06-28 | 鹿島建設株式会社 | Fastener, coral breeding method, and coral protection method |
| CN111021308B (en) * | 2019-11-22 | 2021-07-27 | 东南大学 | Coast protection method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420884A (en) * | 1977-07-13 | 1979-02-16 | Ishikawajima Harima Heavy Ind | Float fish bank |
| JP3536140B2 (en) * | 1996-06-15 | 2004-06-07 | 博 堀端 | Seafloor breeding method |
| JP3398346B2 (en) * | 1999-10-12 | 2003-04-21 | 技研興業株式会社 | Seaweed bed construction materials |
| JP2002315459A (en) * | 2001-04-23 | 2002-10-29 | Teruo Kinoshita | Floating seaweed bed having seaweed raising unit |
| JP2002360109A (en) * | 2001-06-06 | 2002-12-17 | Asahi Kasei Corp | Gratinglike propagating and culturing apparatus and method for producing the same |
| JP2004124633A (en) * | 2002-10-07 | 2004-04-22 | Daikure Co Ltd | Panel for seeding and planting slope, and seeding and planting method using the panel |
| JP2006028800A (en) * | 2004-07-13 | 2006-02-02 | Daikure Co Ltd | Anchoring method |
| JP2006304710A (en) * | 2005-04-28 | 2006-11-09 | Kurita Water Ind Ltd | Greening material for unvegetated surface and greening method using the same |
| JP4956345B2 (en) * | 2007-09-26 | 2012-06-20 | 株式会社ダイクレ | Coral aquaculture structure |
| JP5097035B2 (en) * | 2008-07-08 | 2012-12-12 | 株式会社ダイクレ | Lattice structure connector for coral aquaculture structure |
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| JP2012165682A (en) | 2012-09-06 |
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