JP2007162287A - Attention attracting groove structure - Google Patents

Attention attracting groove structure Download PDF

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Publication number
JP2007162287A
JP2007162287A JP2005358434A JP2005358434A JP2007162287A JP 2007162287 A JP2007162287 A JP 2007162287A JP 2005358434 A JP2005358434 A JP 2005358434A JP 2005358434 A JP2005358434 A JP 2005358434A JP 2007162287 A JP2007162287 A JP 2007162287A
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Prior art keywords
road
groove structure
groove
cutting
outer line
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JP2005358434A
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JP4658790B2 (en
Inventor
Kyosuke Hirasawa
匡介 平澤
Motoki Asano
基樹 浅野
Tetsuya Takada
哲哉 高田
Takashi Aida
尚 相田
Akihiko Kasahara
彰彦 笠原
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CIVIL ENGINEERING RES INST OF
Nippo Corp Inc
National Research and Development Agency Public Works Research Institute
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CIVIL ENGINEERING RES INST OF
Nippo Corp Inc
Civil Engineering Research Institute of Hokkaido
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Priority to JP2005358434A priority Critical patent/JP4658790B2/en
Publication of JP2007162287A publication Critical patent/JP2007162287A/en
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  • Road Paving Structures (AREA)
  • Road Repair (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attention attracting groove structure which is high in accident preventing effect, and has a long service life without impairing the visibility of an outside line. <P>SOLUTION: The attention attracting groove structure is constituted by forming corrugated grooves 2 at each edge of a road, and applying coatings of outside lines to surfaces of the grooves as coated surfaces 4. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は道路の端部に設ける注意喚起型の溝構造に関する。   The present invention relates to a caution-type groove structure provided at an end of a road.

従来、道路（車道）の路肩部などに所定間隔で切削溝や凸型部を設けることにより、居眠り運転などにより走行車両が車道本線から逸脱しそうになったときに、走行車両のタイヤがその上を通過したときに発生する音や振動で車両の運転者に注意を促すいわゆる注意喚起構造が知られている（特許文献１）。この工法は一般にランブルストリップスと称されている。   Conventionally, by providing cutting grooves and convex parts at predetermined intervals on the road shoulder (roadway), etc., when the traveling vehicle is about to deviate from the main road due to snoozing driving, the tire of the traveling vehicle is There is known a so-called alerting structure that alerts a driver of a vehicle with sound or vibration generated when passing the vehicle (Patent Document 1). This construction method is generally called rumble strips.

しかし、従来工法では道路路肩部即ち外側線の外側に切削溝などの凹凸構造が形成されているため、一般道の場合歩行者道路に位置が近く、事故抑制効果が十分とはいえないという問題点があることを知見した（図３（ａ）参照）。また積雪寒冷地域など冬期間に車道の除雪が行われる地域では、除雪作業時に外側線を構成する塗料が削られるという問題点があった。この点に関しては外側線部を凹状に切削しそこに透水性着色材料を充填する方式も提案されている（特許文献２）が、塗料を塗布して外側線を設ける場合に比し視認性に劣ると共に経済性にも問題があった。
特開２００３−２５３６１９号公報 特開２００４−１４３８９２号公報 However, in the conventional construction method, a concave and convex structure such as a cutting groove is formed on the shoulder of the road, that is, outside the outer line, so that the position of the general road is close to the pedestrian road and the accident suppression effect is not sufficient. It was found that there was a point (see FIG. 3A). Further, in areas where snow removal is performed in winter, such as in snowy and cold areas, there is a problem that the paint constituting the outer line is scraped off during snow removal work. Regarding this point, a method of cutting the outer line portion into a concave shape and filling it with a water-permeable coloring material has also been proposed (Patent Document 2), but it is more visible than when coating the coating with an outer line. In addition to being inferior, there was also a problem with economy.
Japanese Patent Laid-Open No. 2003-253619 JP 2004-143892 A

本発明の目的は上記した従来技術の問題点を解決することにあり、特に事故抑制効果が高くしかも外側線をその視認性を損なうことなく長寿命化することができる注意喚起型の溝構造を提供することにある。   An object of the present invention is to solve the above-mentioned problems of the prior art, and in particular, a warning-type groove structure that has a high accident suppression effect and can extend the life of the outer line without impairing its visibility. It is to provide.

本発明は、第１に、道路の端部に形成された注意喚起型の溝であって、該溝が波形状に形成されていると共にその表面に道路区画線用塗料が塗布されて外側線を形成していることを特徴とする注意喚起型の溝構造である。
本発明は、第２に、溝が道路の長さ方向に連続状に形成された切削溝からなり、波形形状の凹部だけではなく凸部の表面高さも隣接する道路表面より下に位置している上記の溝構造である。 A first aspect of the present invention is a warning-type groove formed at an end portion of a road, the groove being formed in a wave shape, and a road marking line paint is applied to the surface of the groove. It is a caution type groove structure characterized by forming.
Secondly, according to the present invention, the groove is composed of a cutting groove formed continuously in the length direction of the road, and not only the corrugated concave portion but also the surface height of the convex portion is located below the adjacent road surface. The above groove structure.

本発明の溝構造は従来工法よりも車道側に設けてあることから、事故抑制効果が大きい。また外側線が道路表面より低い位置に設けてあることから、外側線が削られにくく、その寿命を長くすることができ、特に冬期間に除雪が行われている地域ではその効果が一層顕著である。   Since the groove structure of the present invention is provided on the roadway side as compared with the conventional construction method, the accident suppressing effect is great. In addition, since the outer line is provided at a position lower than the road surface, the outer line is less likely to be cut, and the life of the outer line can be extended, particularly in regions where snow removal is performed in winter. is there.

本発明の溝構造の対象となる道路は、車両通行用道路であって外側線を設けうる道路であればいずれでもよく、その表層部の材質なども特に制限されないが、一般的には、アスファルト質の表層部をもつ道路が対象となる。
本発明では外側線に相当する位置に溝を設ける（図３（ｂ）参照）。この溝は切削溝であることが好ましく、特に道路の長さ方向に連続して切削されていると共に所定間隔で凹部が存在する波形形状であることが好ましい。 The road subject to the groove structure of the present invention may be any road as long as it is a vehicle-passing road and can be provided with an outer line, and the material of the surface layer portion is not particularly limited. This applies to roads with a surface layer of quality.
In the present invention, a groove is provided at a position corresponding to the outer line (see FIG. 3B). This groove is preferably a cutting groove, and particularly preferably has a corrugated shape that is continuously cut in the length direction of the road and has recesses at predetermined intervals.

図１に本発明の溝構造の一例の部分縦断面図を示す。１は道路の非切削表面であり、２は切削波形の凹部、３は切削波形の凸部、４は外側線塗料面を示す。
図１（ａ）は切削波形凸部の塗料面が道路の非切削表面より下方に位置する例であり、図１（ｂ）は切削波形凸部の塗料面が道路の非切削表面と同じ高さに位置する例である。 FIG. 1 shows a partial longitudinal sectional view of an example of the groove structure of the present invention. Reference numeral 1 denotes a non-cutting surface of a road, 2 denotes a concave portion of a cutting waveform, 3 denotes a convex portion of the cutting waveform, and 4 denotes an outer line paint surface.
FIG. 1A is an example in which the paint surface of the cutting corrugation convex portion is located below the non-cutting surface of the road, and FIG. 1B is the example in which the paint surface of the cutting corrugation convex portion is the same as the non-cutting surface of the road. This is an example.

本発明において波形状又は波形形状とは高さが交互に変化する形状をいい、図示するような湾曲凹部と平坦凸部の繰り返しからなる形状は、その好ましい典型例である。
切削溝の幅は外側線（道路区画線）の幅とほぼ同じ幅であることが好ましく、通常１０〜２０ｃｍ程度である。切削溝の波形形状のピッチ（繰返し間隔）は１０〜４０ｃｍ程度（たとえば２４ｃｍ）、最深部（凹部）は道路表面から５〜２０ｍｍ程度(たとえば９ｍｍ)、最浅部（凸部）は道路表面から１〜５ｍｍ程度(たとえば３ｍｍ)が好ましく、これらの最適値は、車両の制限速度等に応じて決定される。 In the present invention, the wave shape or the waveform shape means a shape whose height changes alternately, and a shape formed by repeating a curved concave portion and a flat convex portion as shown in the drawing is a preferable typical example.
The width of the cutting groove is preferably substantially the same as the width of the outer line (road marking line), and is usually about 10 to 20 cm. The pitch (repetition interval) of the corrugated shape of the cutting groove is about 10 to 40 cm (for example, 24 cm), the deepest portion (concave portion) is about 5 to 20 mm (for example, 9 mm) from the road surface, and the shallowest portion (convex portion) is from the road surface. About 1 to 5 mm (for example, 3 mm) is preferable, and these optimum values are determined according to the speed limit of the vehicle and the like.

このようにして形成した切削溝に白色のエポキシ樹脂その他の一般の道路区画線用の塗料を塗布して外側線を形成することにより、本発明の注意喚起型の溝構造が形成される。
本発明の溝構造は外側線部に設けることを本質とするが、中央線にも同様の溝構造を設けることができる。
かくして、事故抑止効果が高く、また視認性を損なわずに冬期間の除雪作業でも削られにくい外側線をもつ注意喚起型の溝構造を経済的に形成することができる。 The noticeable groove structure of the present invention is formed by applying a white epoxy resin or other general road marking line paint to the cutting grooves thus formed to form the outer lines.
Although the groove structure of the present invention is essentially provided in the outer line portion, a similar groove structure can also be provided in the center line.
Thus, it is possible to economically form a caution-type groove structure having an outer line that is highly effective in preventing accidents and that is difficult to cut even during snow removal work in winter without impairing visibility.

本発明の溝構造の一例を示す部分縦断面図。The fragmentary longitudinal cross-section which shows an example of the groove structure of this invention. 図１（ｂ）に示す溝構造の斜視図。The perspective view of the groove structure shown in FIG.1 (b). （ａ）は従来の溝構造の配置を示す平面図、（ｂ）は本発明の溝構造の配置を示す平面図。(A) is a top view which shows arrangement | positioning of the conventional groove structure, (b) is a top view which shows arrangement | positioning of the groove structure of this invention.

符号の説明Explanation of symbols

１ 道路の非切削表面
２ 切削波形の凹部
３ 切削波形の凸部
４ 塗料面
５ 中央線
６ 外側線
７ 切削溝
８ 切削溝および外側線 DESCRIPTION OF SYMBOLS 1 Non-cutting surface of road 2 Concave part of cutting waveform 3 Convex part of cutting waveform 4 Paint surface 5 Center line 6 Outer line 7 Cutting groove 8 Cutting groove and outer line

Claims (2)

道路の端部に形成された注意喚起型の溝であって、該溝が波形状に形成されていると共にその表面に道路区画線用塗料が塗布されて外側線を形成していることを特徴とする注意喚起型の溝構造。   A warning-type groove formed at an end of a road, wherein the groove is formed in a wave shape, and road marking line paint is applied to the surface to form an outer line. An alerting groove structure. 該溝が道路の長さ方向に連続状に形成された切削溝からなり、波形形状の凹部だけでなはく凸部の表面高さも隣接する道路表面より下に位置している請求項１に記載の溝構造。   The groove is formed of a cutting groove formed continuously in the length direction of the road, and the surface height of the convex portion as well as the corrugated concave portion is located below the adjacent road surface. The groove structure described.
JP2005358434A 2005-12-13 2005-12-13 Attention-type groove structure Active JP4658790B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009084944A (en) * 2007-10-02 2009-04-23 Yokohama Rubber Co Ltd:The Road noise test road and road noise test method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62260907A (en) * 1986-05-06 1987-11-13 鶴海合成炉材株式会社 Construction method of road surface display
JP2003253619A (en) * 2002-03-06 2003-09-10 Nippon Hodo Co Ltd Road surface cutter and road surface cutting method
JP2004143892A (en) * 2002-10-21 2004-05-20 Akira Furukawa Maintenance-free road surface display paving method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62260907A (en) * 1986-05-06 1987-11-13 鶴海合成炉材株式会社 Construction method of road surface display
JP2003253619A (en) * 2002-03-06 2003-09-10 Nippon Hodo Co Ltd Road surface cutter and road surface cutting method
JP2004143892A (en) * 2002-10-21 2004-05-20 Akira Furukawa Maintenance-free road surface display paving method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009084944A (en) * 2007-10-02 2009-04-23 Yokohama Rubber Co Ltd:The Road noise test road and road noise test method

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