JP3045688B2 - Legal framework - Google Patents
Legal frameworkInfo
- Publication number
- JP3045688B2 JP3045688B2 JP9188119A JP18811997A JP3045688B2 JP 3045688 B2 JP3045688 B2 JP 3045688B2 JP 9188119 A JP9188119 A JP 9188119A JP 18811997 A JP18811997 A JP 18811997A JP 3045688 B2 JP3045688 B2 JP 3045688B2
- Authority
- JP
- Japan
- Prior art keywords
- precast concrete
- frame structure
- concrete plate
- slope
- landslide
- 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
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は法枠構造に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a legal frame structure.
【０００２】[0002]
【従来の技術】従来、地滑り用の法枠構造は、図６に示
すようなものが一般的であった。これは十字状の腕部１
０を備えたプレキャストコンクリート板１１を法面１２
に設置し、これらを地山に打設したグラウンドアンカー
１３で定着している。プレキャストコンクリート板１１
は、法面１２の地滑りが起こったときに、それを支えら
れるようにグラウンドアンカー１３の緊張力に多少の余
裕をもたせて緊張されている。2. Description of the Related Art Conventionally, a landslide law frame structure is generally as shown in FIG. This is a cross-shaped arm 1
The precast concrete plate 11 provided with
These are anchored by ground anchors 13 that are cast in the ground. Precast concrete board 11
When the landslide of the slope 12 occurs, the ground anchor 13 is tensed with some allowance for the tension of the ground anchor 13 so that the landslide can be supported.
【０００３】[0003]
【発明が解決しようとする課題】しかし、グラウンドア
ンカーの緊張力に多少の余裕をもたせて緊張されていた
としても、プレキャストコンクリート板の下面が平滑で
あるため、地滑りが起こったときに、それがプレキャス
トコンクリートの下面を滑って完璧に支えきれないとい
う問題があった。However, even if the ground anchor is tensioned with some allowance, when the landslide occurs, the ground surface of the precast concrete plate is smooth because the lower surface is smooth. There was a problem that the lower surface of the precast concrete could not be perfectly supported by sliding.
【０００４】本発明は上記のような問題点に鑑みてなさ
れたものであり、その目的は、法面の地滑りが起こった
ときに、それを完璧に支えられる法枠構造を提供するこ
とである。[0004] The present invention has been made in view of the above problems, and an object of the present invention is to provide a law frame structure that can completely support a landslide caused by a slope. .
【０００５】[0005]
【課題を解決するための手段】以上の課題を解決するた
めの本発明の法枠構造は、下面に隆起部を備えたプレキ
ャストコンクリート板を法面にグラウンドアンカーで定
着し、該プレキャストコンクリート板の周囲にはコンク
リートブロックが設置され、このコンクリートブロック
とプレキャストコンクリート板にかけて配線した緊張材
を緊張してプレストレスを付与したことを特徴とする。According to the present invention, a precast concrete plate having a raised portion on a lower surface is fixed to a slope with a ground anchor, and the precast concrete plate is provided with a ground anchor. A concrete block is installed around the perimeter, and a prestress is applied by tensioning a tension member wired between the concrete block and a precast concrete plate.
【０００６】法枠構造においては、法面の地滑りが起こ
ったときに、それが下面の隆起部で抑えられて地滑りが
防げる。In the slope structure, when a landslide occurs on the slope, the landslide is suppressed by the raised portion on the lower surface, and the landslide can be prevented.
【０００７】[0007]
【発明の実施の形態】以下、法枠構造の実施の形態の一
例を図面に基づいて詳細に説明する。図１は法枠構造の
平面図、図２は同縦断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a legal frame structure according to the present invention. FIG. 1 is a plan view of the legal frame structure, and FIG. 2 is a longitudinal sectional view of the same.
【０００８】図１はプレキャストコンクリート板１の周
囲にコンクリートブロック２が設置された法枠構造３を
示し、緊張材４によりプレキャストコンクリート板１と
コンクリートブロック２にプレストレスが付与されてい
る。FIG. 1 shows a concrete frame structure 3 in which a concrete block 2 is installed around a precast concrete plate 1, and a prestress is applied to the precast concrete plate 1 and the concrete block 2 by a tendon 4.
【０００９】プレキャストコンクリート板１は平面方形
であり、下面に中央部が高い隆起部５が形成されてい
る。またプレキャストコンクリート板１の上面には凹溝
６が設けられ、該凹溝６には隆起部５の下面まで貫通し
た貫通孔７が設けられている。該貫通孔７には、地山に
打設されたグランドアンカー８の端部が貫入され、それ
が凹溝６内で緊張定着されてプレキャストコンクリート
板１を法面９に固定している。The precast concrete plate 1 has a flat rectangular shape, and a raised portion 5 having a high central portion is formed on the lower surface. In addition, a concave groove 6 is provided on the upper surface of the precast concrete plate 1, and the concave groove 6 is provided with a through hole 7 penetrating to the lower surface of the raised portion 5. The end of a ground anchor 8 cast in the ground is penetrated into the through hole 7, and the end is fixed in the groove 6 to fix the precast concrete board 1 to the slope 9.
【００１０】コンクリートブロック２は適宜厚さを有し
た平面方形のプレキャスト板であり、プレキャストコン
クリート板１を介して配線された緊張材４によって互い
に接続されている。また隣接するコンクリートブロック
２、２も配線された緊張材４によって互いに接合されて
いる。このように緊張材４が所定の緊張力でそれぞれ緊
張されたことにより、法枠構造３全体にプレストレスが
付与されている。The concrete blocks 2 are flat rectangular precast plates having an appropriate thickness, and are connected to each other by tension members 4 wired via the precast concrete plates 1. Adjacent concrete blocks 2, 2 are also joined to each other by the tension members 4 wired. As described above, the tension members 4 are each tensioned with a predetermined tension, so that a prestress is applied to the entire frame structure 3.
【００１１】図３は、プレキャストコンクリート板１を
３個連続して接合した法枠構造３を示したものであり、
このような構成にしたことにより地滑りをさらに効果的
に防ぐことができる。FIG. 3 shows a frame structure 3 in which three precast concrete plates 1 are continuously joined.
With such a configuration, landslide can be more effectively prevented.
【００１２】このほか、図４に示すように、プレキャス
トコンクリート板１を十字状に配置することもでき、さ
らに図５に示すように、すべてプレキャストコンクリー
ト板１で法枠構造３を構築することもできる。In addition, as shown in FIG. 4, the precast concrete plates 1 can be arranged in a cross shape, and further, as shown in FIG. it can.
【００１３】これらはいずれも、効果的に地滑りを防ぐ
ことが可能になり、法面を完璧に保護できる。[0013] In any of these, landslides can be effectively prevented, and the slope can be completely protected.
【００１４】[0014]
【発明の効果】法面の地滑りが起こったときに、それを
隆起部で抑えることにより法面を完璧に保護できる。According to the present invention, when a landslide occurs on a slope, the slope can be completely protected by suppressing the landslide with a raised portion.
【００１５】プレキャストコンクリート板の法面への設
置が確実、かつ正確に行える。The precast concrete plate can be reliably and accurately installed on the slope.
【図１】法枠構造の平面図である。FIG. 1 is a plan view of a legal frame structure.
【図２】法枠構造の断面図である。FIG. 2 is a sectional view of a legal frame structure.
【図３】（１）は他の法枠構造の平面図、（２）は同断
面図である。FIG. 3A is a plan view of another legal frame structure, and FIG. 3B is a sectional view of the same.
【図４】他の法枠構造の平面図である。FIG. 4 is a plan view of another legal frame structure.
【図５】他の法枠構造の平面図である。FIG. 5 is a plan view of another legal frame structure.
【図６】（１）は従来の法枠構造の平面図、（２）は同
断面図である。FIG. 6A is a plan view of a conventional frame structure, and FIG. 6B is a sectional view of the same.
１ プレキャストコンクリート板 ２ コンクリートブロック ３ 法枠構造 ４ 緊張材 ５ 隆起部 ６ 凹溝 ７ 貫通孔 ８ グラウンドアンカー ９ 法面 DESCRIPTION OF SYMBOLS 1 Precast concrete board 2 Concrete block 3 Frame structure 4 Tensile material 5 Ridge part 6 Groove 7 Through hole 8 Ground anchor 9 Slope
Claims (2)
クリート板を法面にグラウンドアンカーで定着し、該プ
レキャストコンクリート板の周囲にはコンクリートブロ
ックが設置され、このコンクリートブロックとプレキャ
ストコンクリート板にかけて配線した緊張材を緊張して
プレストレスを付与したことを特徴とする法枠構造。1. A precast concrete plate having a raised portion on a lower surface is fixed to a slope by a ground anchor, a concrete block is set around the precast concrete plate, and tension is applied between the concrete block and the precast concrete plate. A legal frame structure characterized by applying prestress by tensioning the material.
に、コンクリートブロックにかわって下面に隆起部を設
けたプレキャストコンクリート板を設置し、該プレキャ
ストコンクリート板をグラウンドアンカーで定着したこ
とを特徴とする請求項１に記載の法枠構造。2. A precast concrete plate having a raised portion provided on a lower surface in place of a concrete block is installed around the precast concrete plate, and the precast concrete plate is fixed by a ground anchor. The legal framework described in 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9188119A JP3045688B2 (en) | 1997-07-14 | 1997-07-14 | Legal framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9188119A JP3045688B2 (en) | 1997-07-14 | 1997-07-14 | Legal framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1129937A JPH1129937A (en) | 1999-02-02 |
| JP3045688B2 true JP3045688B2 (en) | 2000-05-29 |
Family
ID=16218050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9188119A Expired - Lifetime JP3045688B2 (en) | 1997-07-14 | 1997-07-14 | Legal framework |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3045688B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5229913B2 (en) * | 2009-10-26 | 2013-07-03 | 西日本エス・ピー・シー株式会社 | Slope reinforcement method |
| KR101539185B1 (en) * | 2014-11-06 | 2015-07-24 | 장신찬 | Method of constructing steel anchor having controlled lifting distance and structure thereof |
| CN109098194A (en) * | 2018-10-25 | 2018-12-28 | 四川宏洲绿高生态科技有限公司 | Protective slope structure |
| CN111980037B (en) * | 2020-08-31 | 2022-05-27 | 吕梁学院 | Protective structure is consolidated to regional bedding rock slope |
| CN113293776A (en) * | 2021-05-12 | 2021-08-24 | 大连交通大学 | Prefabricated lattice beam structure for ecological slope protection and construction method |
| CN114991179A (en) * | 2022-06-10 | 2022-09-02 | 南华大学 | Prefabricated cross beam and prefabricated cross beam slope reinforcing structure and construction method |
-
1997
- 1997-07-14 JP JP9188119A patent/JP3045688B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1129937A (en) | 1999-02-02 |
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