JP3907001B2 - Side groove structure for water-permeable pavement, water-permeable pavement, and construction method of water-permeable pavement - Google Patents

Side groove structure for water-permeable pavement, water-permeable pavement, and construction method of water-permeable pavement Download PDF

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JP3907001B2
JP3907001B2 JP2003411911A JP2003411911A JP3907001B2 JP 3907001 B2 JP3907001 B2 JP 3907001B2 JP 2003411911 A JP2003411911 A JP 2003411911A JP 2003411911 A JP2003411911 A JP 2003411911A JP 3907001 B2 JP3907001 B2 JP 3907001B2
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博 西
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本発明は、雨水の排水機能を有する通水性舗装路（一般道路、高速道路、駐車場、公園等）に設置される側溝構造及び通水性舗装路並びに通水性舗装路の施工方法に関する。   The present invention relates to a gutter structure and a water-permeable pavement installed on a water-permeable pavement having a rainwater drainage function (general roads, highways, parking lots, parks, etc.) and a method for constructing the water-permeable pavement.

通水性舗装路に設置される側溝構造としては、側溝本体の側壁に通水穴を形成し、この通水穴に舗装路の通水性表層から雨水を導入して、側溝本体の内部に流入させるようにしたものが知られている（特許文献１参照）。   As a gutter structure installed in a water-permeable pavement, a water passage hole is formed in the side wall of the side groove main body, rainwater is introduced into the water passage hole from the water-permeable surface layer of the pavement and flows into the side groove main body. What was made is known (refer patent document 1).

このように側溝本体の側壁に通水穴を形成した側溝構造は、雨水を通水穴から側溝本体の内部に流入させるため、排水効率を上げるためには通水穴を大きくする必要があるし、逆にこの通水穴を大きくすると側溝本体の強度が低下してしまうという問題があった。
また、長年使用により通水穴内にゴミや土砂等の異物が詰まり、排水能力が低下してしまうという問題もあった。
特に、側溝本体に装着した側溝蓋が路面に露出するため、側溝蓋の損壊という問題もあるし、又、側溝が舗装路から区画されたような外観を呈し、その分だけ車道幅が狭く感じられるという視認性の面でも問題があった。
又、このような側溝構造は、通水穴を予め側壁に形成させたコンクリート２次製品の側溝本体を適用することを主に意図したもので、コンクリート現場打ち施工には不適であった。 In this way, the side groove structure in which the water passage hole is formed in the side wall of the side groove body allows rainwater to flow from the water hole into the side groove body, so that the water passage hole needs to be enlarged in order to increase drainage efficiency. On the contrary, when the water passage hole is enlarged, there is a problem that the strength of the side groove body is lowered.
In addition, there has been a problem that the drainage capacity is reduced due to clogging of foreign matters such as dust and earth and sand in the water passage hole due to long-term use.
In particular, the side groove cover attached to the side groove body is exposed on the road surface, so there is a problem of damage to the side groove cover. Also, the side groove appears to be partitioned from the paved road, and the width of the roadway feels narrow accordingly. There was also a problem in terms of visibility.
Further, such a side groove structure is mainly intended to apply a side groove main body of a concrete secondary product in which a water passage hole is formed on a side wall in advance, and is unsuitable for concrete on-site construction.

なお、従来、側溝本体に沿うように導水管を布設し、通水性表層を通水した雨水をこの導水管で集水し、この導水管から通水穴を通して側溝本体の内部に流入させる構造のものもあるが、この導水管を使用すると、それだけ施工に手間がかかるし、コスト的にも不利になるという問題があった。   Conventionally, a water conduit is installed along the side groove body, rainwater that has passed through the water-permeable surface layer is collected by this water conduit, and flows into the inside of the side groove body from the water conduit through the water passage hole. Although there are some, there is a problem that the use of this water conduit is time-consuming to construct and disadvantageous in terms of cost.

これらの問題を解決できる通水性舗装路用側溝構造として、側溝蓋を、非通水性コンクリート層の上に通水性コンクリート層を結合させた２層構造とし、通水性舗装路の通水性表層からの雨水を通水性コンクリート層に導入させて非通水性コンクリート層に形成した貫通孔から側溝本体の内部に流入させる技術が知られている（特許文献２参照）。
特許公開２００１−２６９７４号公報 特許公開２０００−１７９０３４号公報 As a side groove structure for a water-permeable pavement that can solve these problems, the side groove cover has a two-layer structure in which a water-permeable concrete layer is combined on a water-permeable concrete layer, A technique is known in which rainwater is introduced into a water-permeable concrete layer and flows into a gutter body from a through-hole formed in the non-water-permeable concrete layer (see Patent Document 2).
Japanese Patent Publication No. 2001-26974 Japanese Patent Publication No. 2000-179034

しかしながら、特許文献２の側溝構造では、側溝本体の舗装路側側壁の上端部に通水性コンクリートにより通水壁部を形成する必要があるし、舗装路の通水性表層と、通水壁部と、側溝蓋の通水性コンクリート層とが別体構造で、一体に連続していないため、雨水の流動が舗装路の通水性表層から通水壁部を経て側溝蓋の通水性コンクリート層に段階的に至るものになる。
又、舗装路の通水性表層と、通水壁部と、側溝蓋の通水性コンクリート層との境界に筋目が形成されるため、この筋目にゴミや土砂等が詰まり易く、雨水の流動を阻害してしまう。
このように、上記の側溝構造では、雨水のスムーズな流動性を確保することができず、排水能率の低下につながるという問題があるし、また、舗装路の通水性表層と、通水壁部と、側溝蓋の通水性コンクリート層とが別体であるため、その境界部分に段差が生じ易いし、縁部分が損壊し易くなるという問題もあった。
又、側壁の上端部に通水壁部を形成する必要があるため、側溝本体の製造に手間と時間がかかるし、側溝蓋についても、非通水性コンクリート層と通水性コンクリート層との２層構造に形成する必要があるため、その製造に手間と時間がかかるという問題があった。 However, in the lateral groove structure of Patent Literature 2, it is necessary to form a water-permeable wall portion with water-permeable concrete at the upper end portion of the side wall of the side groove main body, and the water-permeable surface layer of the pavement road, the water-permeable wall portion, Since the water-permeable concrete layer of the side ditch cover is a separate structure and is not continuously integrated, the flow of rainwater gradually passes from the water-permeable surface layer of the pavement to the water-permeable concrete layer of the side ditch cover through the water-permeable wall. It will be everything.
In addition, since a streak is formed at the boundary between the water-permeable surface layer of the paved road, the water-permeable wall, and the water-permeable concrete layer of the side groove cover, it is easy for clogging up of dirt, earth and sand, etc., and hinders the flow of rainwater. Resulting in.
Thus, in the above-mentioned side groove structure, there is a problem that smooth fluidity of rainwater cannot be secured, leading to a decrease in drainage efficiency, and the water-permeable surface layer of the paved road and the water-permeable wall portion. In addition, since the water-permeable concrete layer of the side groove cover is a separate body, there is a problem that a step is easily generated at the boundary portion and the edge portion is easily damaged.
Moreover, since it is necessary to form a water flow wall at the upper end of the side wall, it takes time and labor to manufacture the side groove body, and the side groove cover also has two layers, a water-permeable concrete layer and a water-permeable concrete layer. Since it needs to be formed into a structure, there is a problem that it takes time and labor to manufacture.

本発明は、上記のような問題を解決するためになされたもので、雨水のスムーズな流動性を確保して排水能力を向上させることができる通水性舗装路用側溝構造を提供することを第１の課題としている。   The present invention has been made to solve the above-described problems, and provides a side groove structure for a water-permeable pavement that can ensure smooth fluidity of rainwater and improve drainage capacity. This is one issue.

又、雨水のスムーズな流動性を確保して排水能力を向上させることができる通水性舗装路を提供することを第２の課題としている。 Moreover, it is the 2nd subject to provide the water-permeable pavement which can ensure the smooth fluidity of rainwater and can improve drainage capacity.

更に、既存の舗装路及び既存の側溝本体をそのままにしながら、これに簡単な施工を施すだけで、工期を大幅に短縮させながら、排水機能を持たすことができる通水性舗装路の施工方法を提供することを第３の課題としている。 In addition, while providing the existing pavement and the existing gutter body as it is, providing a construction method for water-permeable pavement that can have a drainage function while significantly shortening the construction period by simply applying it. This is the third issue .

上記第１の課題を解決するために、本発明の通水性舗装路用側溝構造（請求項１）は、
既存舗装路の上に通水性表層が形成された通水性舗装路に設置されている側溝構造であって、
既存側溝本体と、この既存側溝本体の上面開口部に装着される側溝蓋を備え、
前記側溝蓋には上面から裏面に貫通した通水口が形成され、
この側溝蓋を既存側溝本体の上面開口部に装着した状態で、前記側溝蓋の上面全面が前記通水性表層に一体に連続した側溝側通水性表層によって覆われ、
前記側溝蓋は、角部を頂部とした複数の山形型材が通水口となる間隙を保持した並列状態で連結されると共に、その連結部分で捻じれや撓みが生じるように可撓性連結部材によってフレキシブルに連結され、かつ山形型材の両端部が既存側溝本体の上面開口部に形成した蓋受け段部に載置される状態で装着されている構成とした。 In order to solve the first problem, the lateral groove structure for a water-permeable pavement of the present invention (Claim 1)
A gutter structure installed on a water-permeable pavement where a water-permeable surface layer is formed on the existing pavement ,
An existing gutter body and a gutter lid mounted on the upper surface opening of the existing gutter body,
The side groove lid is formed with a water passage that penetrates from the upper surface to the back surface,
With this side groove cover attached to the upper surface opening of the existing side groove body, the entire upper surface of the side groove cover is covered with a side groove side water-permeable surface layer that is integrally continuous with the water-permeable surface layer,
The side groove lid is connected by a flexible connecting member so that a plurality of chevron-shaped members with corners at the top are connected in a parallel state with a gap serving as a water passage opening, and twisted or bent at the connecting portion. The both ends of the chevron-shaped material are connected in a flexible manner and are mounted in a state of being placed on the lid receiving step formed in the upper surface opening of the existing side groove main body .

又、上記第２の課題を解決するために、本発明の通水性舗装路（請求項２）は、
既存舗装路の上に通水性表層が形成された通水性舗装路に形成され、その路肩又は路内に側溝が設置されている通水性舗装路であって、
既存側溝本体と、この既存側溝本体の上面開口部に装着される側溝蓋を備え、
前記側溝蓋には上面から裏面に貫通した通水口が形成され、
この側溝蓋を既存側溝本体の上面開口部に装着した状態で、前記側溝蓋の上面全面が前記通水性表層に一体に連続した側溝側通水性表層によって覆われ、
前記側溝蓋は、角部を頂部とした複数の山形型材が通水口となる間隙を保持した並列状態で連結されると共に、その連結部分で捻じれや撓みが生じるように可撓性連結部材によってフレキシブルに連結され、かつ山形型材の両端部が既存側溝本体の上面開口部に形成した蓋受け段部に載置される状態で装着されている構成とした。 Moreover, in order to solve the said 2nd subject , the water-permeable pavement of this invention (Claim 2) ,
A water- permeable pavement formed on a water-permeable pavement in which a water-permeable surface layer is formed on the existing pavement , and a side groove is installed in the shoulder or in the road,
An existing gutter body and a gutter lid mounted on the upper surface opening of the existing gutter body,
The side groove lid is formed with a water passage that penetrates from the upper surface to the back surface,
With this side groove cover attached to the upper surface opening of the existing side groove body, the entire upper surface of the side groove cover is covered with a side groove side water-permeable surface layer that is integrally continuous with the water-permeable surface layer,
The side groove lid is connected by a flexible connecting member so that a plurality of chevron-shaped members with corners at the top are connected in a parallel state with a gap serving as a water passage opening, and twisted or bent at the connecting portion. The both ends of the chevron-shaped material are connected in a flexible manner and are mounted in a state of being placed on the lid receiving step formed in the upper surface opening of the existing side groove main body .

又、上記第３の課題を解決するために、本発明の通水性舗装路の施工方法（請求項３）は、
既存舗装路の上に通水性表層が形成された通水性舗装路に形成され、その路肩又は路内に側溝が設置されている通水性舗装路の施工方法であって、
既存舗装路及び既存側溝本体をそのままにした状態で、その既存側溝本体の上面開口部に、上面から裏面に貫通した通水口が形成されている側溝蓋を装着させ、
前記側溝蓋は、角部を頂部とした複数の山形型材が通水口となる間隙を保持した並列状態で連結されると共に、その連結部分で捻じれや撓みが生じるように可撓性連結部材によってフレキシブルに連結され、
かつ山形型材の両端部を既存側溝本体の上面開口部に形成した蓋受け段部に載置させるように側溝蓋を装着した状態で、既存舗装路の上に表層となる通水性表層を形成させる共に、この通水性表層と同時施工で一体に連続させた側溝側通水性表層により前記側溝蓋の上面全面を覆う構成とした。 In order to solve the third problem , the construction method of the water-permeable pavement of the present invention (Claim 3)
A method for constructing a water-permeable pavement formed on a water-permeable pavement in which a water-permeable surface layer is formed on an existing pavement , and a gutter is installed in the shoulder or in the road,
With the existing pavement and the existing side groove main body left intact, the side groove lid on which the water passage penetrating from the upper surface to the back surface is formed is attached to the upper surface opening of the existing side groove main body,
The side groove lid is connected by a flexible connecting member so that a plurality of chevron-shaped members with corners at the top are connected in a parallel state with a gap serving as a water passage opening, and twisted or bent at the connecting portion. Flexibly connected,
In addition , a water-permeable surface layer that is a surface layer is formed on the existing pavement in a state where the side groove lid is mounted so that both ends of the chevron are placed on the lid receiving step formed on the upper surface opening of the existing side groove main body . In both cases, the entire upper surface of the side groove cover was covered with a side groove side water-permeable surface layer that was continuously integrated with the water-permeable surface layer.

本発明の通水性舗装路用側溝構造（請求項１）及び通水性舗装路（請求項２）にあっては、雨水のスムーズな流動性を確保して排水能力を向上させることができる。 In the water-permeable pavement side groove structure (Claim 1) and the water-permeable pavement (Claim 2) of the present invention, it is possible to ensure smooth fluidity of rainwater and improve drainage capacity.

又、本発明の通水性舗装路の施工方法（請求項３）にあっては、既存の舗装路及び既存の側溝本体をそのままにしながら、これに簡単な施工を施すだけで、工期を大幅に短縮させながら、排水機能を持たすことができる。 Moreover, in the construction method of the water-permeable pavement of the present invention (Claim 3) , the construction period can be greatly increased by simply performing the construction while keeping the existing pavement and the existing gutter body as they are. While shortening, it can have a drainage function.

以下、本発明の実施の形態を図面に示す実施例に基づいて説明する。
図１は本発明の通水性舗装路用側溝構造の１実施例を示す断面図、図２はこの側溝構造に用いた側溝蓋の斜視図である。 Hereinafter, embodiments of the present invention will be described based on examples shown in the drawings.
FIG. 1 is a cross-sectional view showing an embodiment of a side groove structure for a water-permeable pavement according to the present invention, and FIG. 2 is a perspective view of a side groove cover used in the side groove structure.

この側溝構造は、通水性舗装路１（通水性舗装道路）の路肩部分に側溝が設置されたもので、この通水性舗装路１は、地盤１０の上に既存舗装路１１となる下地層１１ａ及び表層１１ｂが形成され、この既存舗装路の上に新設の通水性表層１２（以下、「舗装路側通水性表層」という）が形成されている。
なお、前記既存舗装路１１となる下地層１１ａ及び表層１１ｂは、通水性、非通水性を問わない。 In this side groove structure, a side groove is installed on the shoulder portion of the water-permeable pavement 1 (water-permeable pavement road). The water-permeable pavement 1 is a ground layer 11a that becomes an existing pavement 11 on the ground 10. The surface layer 11b is formed, and a newly formed water-permeable surface layer 12 (hereinafter referred to as “paved road-side water-permeable surface layer”) is formed on the existing pavement.
In addition, the base layer 11a and the surface layer 11b used as the said existing pavement 11 do not ask | require water permeability and non-water permeability.

前記側溝構造は、側溝本体２と、この側溝本体２の上面開口部２０に装着される側溝蓋３を備えている。
前記側溝本体２は、既存のものをそのまま用いたもので、底部２１と左右の側壁２２，２３によって囲まれて、上面開口部２０を有する略Ｕ字状に形成され、内部が樋状の排水路２４に形成され、前記両側壁２２，２３の内面上端部分に蓋受け段部２５，２５が形成されている。
なお、この側溝本体２は、図示省略したが、基礎砕石層、基礎コンクリート層、敷モルタル層による基盤上に設置される。 The side groove structure includes a side groove main body 2 and a side groove lid 3 that is attached to the upper surface opening 20 of the side groove main body 2.
The side groove main body 2 is an existing one as it is, is surrounded by a bottom portion 21 and left and right side walls 22 and 23, is formed in a substantially U shape having an upper surface opening portion 20, and has a bowl-shaped drainage inside. Lid receiving step portions 25, 25 are formed at the upper end portions of the inner surfaces of the side walls 22, 23.
Although not shown in the drawings, the gutter body 2 is installed on a base made of a basic crushed stone layer, a basic concrete layer, and a mortar layer.

前記側溝本体２の上面開口部２０には、蓋受け段部２５，２５に載置する状態で側溝蓋３が装着されている。
この側溝蓋３は、図２に示すように、角部を頂部とした数本（実施例では６本）の山形型材３０（アングル型鋼）を、通水口３１となる間隙Ｓを保持した並列状態に、可撓性連結部材としての２本（２本以上でも可）の連結棒３２によって連結した構造になっている。
この場合、連結棒３２の直径を細径にするなどして、連結部分で捻じれや撓みが生じるように山形型材３０同士をフレキシブルに連結させており、これにより、各山形型材３０の両端部が蓋受け段部２５，２５に対して馴染むように載置して、側溝蓋３をガタ付きなく装着させることができる。
なお、隣り合う山形型材３０，３０の間隙Ｓは、広過ぎると後述する側溝側通水性表層４が落ち込んでしまうし、狭過ぎると雨水の通水性が低下するため、この両者を考慮して設定することになるが、実施例では、５ｍｍ前後に設定している。
又、前記山形型材３０の上面は、亜鉛等でメッキ処理されている。 The side groove lid 3 is mounted on the upper surface opening 20 of the side groove main body 2 so as to be placed on the lid receiving steps 25, 25.
As shown in FIG. 2, the side groove cover 3 is formed in a parallel state in which several (six in the embodiment) angle-shaped members 30 (angle-shaped steel) having corners at the tops are held with a gap S serving as a water inlet 31. In addition, it is structured to be connected by two (or two or more) connecting rods 32 as flexible connecting members .
In this case, the angle of the connecting rod 32 is reduced, for example, and the angle molds 30 are flexibly connected so that twisting and bending occur at the connection part. However, the side groove cover 3 can be mounted without backlash.
It should be noted that the gap S between the adjacent chevron molds 30 and 30 is set in consideration of both of them because the groove side water-permeable surface layer 4 described later falls when it is too wide, and the water permeability of rainwater decreases when it is too narrow. However, in the embodiment, it is set to around 5 mm.
The top surface of the chevron mold 30 is plated with zinc or the like.

そして、前記側溝蓋３を側溝本体２の上面開口部２０に装着した状態で、前記側溝蓋３の上面全面が、前記舗装路側通水性表層１２に一体に連続した側溝側通水性表層４によって覆われている。
この場合、舗装路側通水性表層１２の施工は、側溝側通水性表層４の施工と同時に行なわれる。 In the state where the side groove cover 3 is attached to the upper surface opening 20 of the side groove body 2, the entire upper surface of the side groove cover 3 is covered with the side groove side water-permeable surface layer 4 that is integrally continuous with the pavement-side water-permeable surface layer 12. It has been broken.
In this case, the construction of the pavement side water-permeable surface layer 12 is performed simultaneously with the construction of the side groove side water-permeable surface layer 4.

従って、通水性舗装路１上の雨水は、新設した舗装路側通水性表層１２を浸透し、既存の舗装路１１が非通水性の場合は、その舗装路側通水性表層１２を路肩方向に流動し、引き続き側溝側通水性表層４内を流動して、側溝蓋３の通水口３１（間隙Ｓ）から側溝本体２の排水路２４内に流入し、排水される。
又、側溝側通水性表層４上の雨水は、この側溝側通水性表層を浸透し、そのまま側溝蓋３の通水口３１（間隙Ｓ）から側溝本体２の排水路２４内に流入し、排水される。 Therefore, the rainwater on the water-permeable pavement 1 permeates the newly formed pavement-side water-permeable surface layer 12 and flows through the pavement-side water-permeable surface layer 12 in the shoulder direction when the existing pavement 11 is non-water-permeable. Subsequently, it flows in the side groove side water-permeable surface layer 4 and flows into the drainage channel 24 of the side groove body 2 from the water inlet 31 (gap S) of the side groove lid 3 and is drained.
Moreover, the rainwater on the side groove side water-permeable surface layer 4 permeates the side groove side water-permeable surface layer, and directly flows into the drainage channel 24 of the side groove body 2 from the water inlet 31 (gap S) of the side groove lid 3 and is drained. The

なお、既存の舗装路１１が通水性の場合は、舗装路側通水性表層１２を浸透した雨水の殆どは、地盤１０へと浸透していくもので、このとき、地盤１０へと浸透しきれない分は、路肩方向に流動し、引き続き側溝側通水性表層４内を流動して、側溝蓋３の通水口３１（間隙Ｓ）から側溝本体２の排水路２４内に流入し、排水される。   In addition, when the existing pavement 11 is water permeable, most of the rainwater that has permeated the pavement side water permeable surface 12 permeates the ground 10, and at this time, it cannot completely permeate the ground 10. The portion flows in the direction of the road shoulder, continues to flow in the side groove side water-permeable surface layer 4, flows into the drainage channel 24 of the side groove body 2 from the water inlet 31 (gap S) of the side groove lid 3, and is drained.

そして、側溝側通水性表層４が舗装路側通水性表層１２に一体に連続して形成されているため、舗装路側通水性表層１２と側溝側通水性表層４との間に境界が形成されることがない。
これにより、雨水が舗装路側通水性表層１２から側溝側通水性表層４へ段階的にではなく連続して流動し、又、舗装路側通水性表層１２と側溝側通水性表層４との間に筋目もないことからゴミや土砂等が詰まることがなく、雨水をスムーズに流動させることができて、結果として排水能力を向上させることができる。 And since the ditch side water-permeable surface layer 4 is integrally formed continuously with the pavement side water-permeable surface layer 12, a boundary is formed between the pavement side water-permeable surface layer 12 and the side groove-side water-permeable surface layer 4. There is no.
As a result, rainwater flows continuously from the pavement-side water-permeable surface layer 12 to the side-groove-side water-permeable surface layer 4 in a stepwise manner instead of stepwise, and between the pavement-side water-permeable surface layer 12 and the side-groove-side water-permeable surface layer 4 Therefore, there is no clogging of dirt, earth and sand, etc., rainwater can flow smoothly, and as a result, drainage capacity can be improved.

又、舗装路側通水性表層１２と側溝側通水性表層４の施工を同時に行なうことができるため、舗装路側通水性表層１２の施工を別工程として設定する必要がなく、工期を大幅に短縮させることができるし、舗装路側通水性表層１２と側溝側通水性表層４の品質を均一することができる。   In addition, since the construction of the pavement side water-permeable surface layer 12 and the side groove side water-permeable surface layer 4 can be performed simultaneously, it is not necessary to set the construction of the pavement side water-permeable surface layer 12 as a separate process, and the construction period is greatly shortened. In addition, the quality of the paved road side water-permeable surface layer 12 and the side groove side water-permeable surface layer 4 can be made uniform.

又、側溝蓋３が側溝側通水性表層４によって全面的に覆われているため、側溝蓋３が路面に露出することがない。
従って、側溝蓋３の損壊という問題はないし、又、側溝の幅分だけ舗装路の幅員が広がった状態になるため、視認性が向上し、運転に余裕を与えることができる。 Further, since the side groove cover 3 is entirely covered with the side groove side water-permeable surface layer 4, the side groove cover 3 is not exposed to the road surface.
Therefore, there is no problem that the side groove cover 3 is broken, and the width of the pavement is increased by the width of the side groove, so that the visibility is improved and a margin can be given to driving.

又、側溝蓋３が、数本の山形型材３０（アングル型鋼）を、間隙Ｓを保持した並列状態に連結した構造であるため、簡単に製造することができるし、又、間隙Ｓによって通水口３１がスリット状に開口すると共に、山形型材３０による斜面で通水口３１に集水させることができるため、大量な雨水に対しても、これを確実に通水させることができる。
又、山形型材３０を並設しているため、その上面が山形凹凸面に形成されて、側溝側通水性表層４に対して食い込んだ状態になる。これにより、側溝側通水性表層４と側溝蓋３との間に滑りが生じるといったことがなく、側溝側通水性表層４がズレ動くことによる変形や歪を防止できる。
又、山形型材３０を使用すると、蓋受け段部２５，２５に対して点接触の状態で載置されるため、側溝蓋３の装着状態を安定させることができる。
又、山形型材３０の上面に亜鉛メッキ等のメッキ処理を施すと、側溝の改修に際し、側溝蓋３を取り外した時に、側溝蓋３を反転して衝撃を与えれば、山形型材３０に付着した側溝側通水性表層４を簡単に剥がすことができ、側溝蓋３の再利用処理が簡単にできる。 Further, since the side groove cover 3 has a structure in which several angle-shaped members 30 (angle-shaped steel) are connected in a parallel state holding the gap S, the side groove cover 3 can be easily manufactured. 31 is opened in a slit shape, and water can be collected at the water inlet 31 by the slope formed by the mountain-shaped mold material 30, so that it can be reliably passed even for a large amount of rainwater.
In addition, since the chevron mold members 30 are arranged side by side, the upper surface thereof is formed into a chevron-shaped uneven surface, and is in a state of biting into the side groove side water-permeable surface layer 4. Thus, no slip occurs between the side groove side water-permeable surface layer 4 and the side groove lid 3, and deformation and distortion due to the side groove side water-permeable surface layer 4 being displaced can be prevented.
In addition, when the chevron mold 30 is used, it is placed in a point contact state with respect to the lid receiving steps 25, 25, so that the mounting state of the side groove lid 3 can be stabilized.
Further, when the top surface of the chevron mold 30 is plated with zinc or the like, the side groove attached to the chevron mold 30 can be obtained by reversing the side groove cover 3 and applying an impact when the side groove cover 3 is removed. The side water-permeable surface layer 4 can be easily peeled off, and the side groove cover 3 can be easily reused.

なお、側溝蓋３について、例えば、図３及び図４に示すように、角部を頂部とした数本（図示例では９本）の山形型材３０（アングル型鋼）を、通水口３１となる間隙Ｓを保持した並列状態に、可撓性連結部材としての連結片３５によって連結した構造の側溝蓋を用いることができる。 For example, as shown in FIG. 3 and FIG. 4, the side groove cover 3 includes several angle-shaped members 30 (angle-shaped steel) with the corners at the top as gaps that serve as the water inlets 31. A side groove cover having a structure in which S is held in parallel and connected by a connecting piece 35 as a flexible connecting member can be used .

次に、図５は本発明の通水性舗装路の施工方法の１実施例を示す工程説明図である。 Next, FIG. 5 is process explanatory drawing which shows one Example of the construction method of the water-permeable pavement of this invention.

既存の舗装路１１は、図５（イ）で示すように、地盤１０の上に下地層１１ａ及び表層１１ｂが形成され、この舗装路１１の路肩部に、既存の側溝を構成する側溝本体２及び既存側溝蓋６０が設置されている。 As shown in FIG. 5 (a) , the existing pavement 11 has a ground layer 11a and a surface layer 11b formed on the ground 10, and a side groove main body 2 constituting an existing side groove on the road shoulder of the pavement 11. And the existing gutter lid 60 is installed.

そして、図５（ロ）で示すように、側溝本体２の上面開口部２０から既存側溝蓋６０を取り外し、次に図５（ハ）で示すように、蓋受け段部２５，２５に載置する状態で側溝蓋３を上面開口部２０に装着させる。 Then, as shown in FIG. 5 (b) , the existing side groove cover 60 is removed from the upper surface opening 20 of the side groove main body 2, and then placed on the lid receiving steps 25, 25 as shown in FIG. 5 (c). In this state, the side groove cover 3 is attached to the upper surface opening 20.

次に、図５（ハ）で示すように、前記既存舗装路１１の上に舗装路側通水性表層１２を形成すると共に、この舗装路側通水性表層１２と一体に連続させて、前記側溝蓋３の上面全面を覆うように側溝側通水性表層４を形成する。この場合、舗装路側通水性表層１２は、側溝側通水性表層４の施工と同時に行なうもので、これにより既存舗装路１１を通水性舗装路１に改修すると同時に、側溝の改修が完了する。 Next, as shown in FIG. 5 (c) , a pavement side water-permeable surface layer 12 is formed on the existing pavement road 11, and the side groove cover 3 is continuously formed integrally with the pavement-side water-permeable surface layer 12. A side groove side water-permeable surface layer 4 is formed so as to cover the entire upper surface of the substrate. In this case, the pavement side water-permeable surface layer 12 is performed simultaneously with the construction of the side groove-side water-permeable surface layer 4, thereby renovating the existing pavement road 11 to the water-permeable pavement road 1 and simultaneously completing the modification of the side groove.

この施工方法では、既存の舗装路１１及び側溝本体２をそのまま利用し、既存側溝蓋６０を側溝蓋３に交換した後、舗装路側通水性表層１２と側溝側通水性表層４を同時施工するだけでよい。
又、既存の側溝本体２については、これに手を加える必要がないため、民地所有者とのトラブルや補償問題の発生を回避することができる。 In this construction method, the existing pavement 11 and the side groove main body 2 are used as they are, and the existing side groove cover 60 is replaced with the side groove cover 3, and then the pavement side water-permeable surface layer 12 and the side groove-side water-permeable surface layer 4 are simultaneously applied. It's okay.
Moreover, since it is not necessary to modify the existing gutter body 2, troubles with private landowners and compensation problems can be avoided.

又、舗装路側通水性表層１２と一体に連続させて側溝側通水性表層４を形成するため、この側溝側通水性表層４の施工を舗装路側通水性表層１２の施工と同時に行なうことができ、舗装路側通水性表層１２と側溝側通水性表層４の品質を均一にできるし、この側溝側通水性表層４を形成するために要する工期を大幅に短縮させることができる。   Moreover, in order to continuously form the side groove side water permeable surface layer 4 continuously with the pavement side water permeable surface layer 12, the side groove side water permeable surface layer 4 can be constructed simultaneously with the construction of the pavement side water permeable surface layer 12, The quality of the pavement side water-permeable surface layer 12 and the side groove side water-permeable surface layer 4 can be made uniform, and the construction period required to form this side groove-side water-permeable surface layer 4 can be greatly shortened.

なお、本発明において、側溝本体２としては、有底側溝本体を示したが、底面が開口した無底側溝本体でもよい。   In the present invention, the side groove main body 2 is a bottomed side groove main body, but may be a bottomless side groove main body having an open bottom.

次に、図６は本発明の通水性舗装路用側溝構造の他の実施例を示す断面図である。
この側溝構造では、通水性舗装路１（通水性舗装道路）を横断するように側溝が設置されている。 Next, FIG. 6 is sectional drawing which shows the other Example of the side groove | channel structure for water-permeable pavements of this invention.
In this side groove structure, the side groove is installed so as to cross the water-permeable paved road 1 (water-permeable paved road).

この実施例では、通水性舗装路１を横断するように側溝６が設けられていることから、側溝６の左右において、既存舗装路１１の上に舗装路側通水性表層１２が形成され、この舗装路側通水性表層１２に一体に連続した側溝側通水性表層４により側溝蓋３の上面全面が覆われている。
なお、その他の構成は、前記図１で示した実施例と同様である。 In this embodiment, since the side grooves 6 are provided so as to cross the water-permeable pavement 1, the pavement-side water-permeable surface layer 12 is formed on the existing pavement 11 on the left and right sides of the side grooves 6. The entire upper surface of the side groove lid 3 is covered with the side groove side water permeable surface layer 4 that is integrally continuous with the road side water permeable surface layer 12.
The other configuration is the same as that of the embodiment shown in FIG.

また、実施例では、図１及び図５のように、通水性舗装路１（通水性舗装道路）の路肩部分に側溝を設置した例、又、図６のように、通水性舗装路１（通水性舗装道路）を横断するように側溝を設置した例を挙げたが、駐車場や公園等の周囲に側溝を設置したり、駐車場や公園等を横断するように側溝を設置したりする場合についても、本発明の構成を適用できるのは勿論である。 In the embodiment, as shown in FIGS. 1 and 5, example where the gutter shoulder portion of the water-permeable pavement 1 (water-permeable pavement), also as shown in FIG. 6, water permeability paved road 1 ( We gave an example of installing a gutter to cross a water-permeable paved road), but installing a gutter around a parking lot or park, or installing a gutter to cross a parking lot or park, etc. Of course, the configuration of the present invention can also be applied to cases.

本発明の通水性舗装路用側溝構造の１実施例を示す断面図である。It is sectional drawing which shows one Example of the side groove | channel structure for water-permeable paving roads of this invention. この側溝構造に用いた側溝蓋の斜視図である。It is a perspective view of the side groove cover used for this side groove structure. 側溝蓋の他例を示す側面図である。It is a side view which shows the other example of a side groove cover. その底面図である。It is the bottom view. 本発明の通水性舗装路の施工方法の１実施例を示す工程説明図である。It is process explanatory drawing which shows one Example of the construction method of the water-permeable pavement of this invention. 本発明の通水性舗装路用側溝構造の他の実施例を示す断面図である。It is sectional drawing which shows the other Example of the side groove | channel structure for water-permeable paving roads of this invention.

符号の説明Explanation of symbols

１ 通水性舗装路
１０ 地盤
１１ 既存舗装路
１１ａ 下地層
１１ｂ 表層
１２ 舗装路側通水性表層（通水性表層）
２ 側溝本体
２０ 上面開口部
２１ 底部
２２ 側壁
２３ 側壁
２４ 排水路
２５ 蓋受け段部
３ 側溝蓋
３０ 山形型材
３１ 通水口
３２ 連結棒
３５ 連結片
４ 側溝側通水性表層
６ 側溝
６０ 既存側溝蓋
Ｓ 間隙 DESCRIPTION OF SYMBOLS 1 Water-permeable pavement 10 Ground 11 Existing pavement 11a Underlayer 11b Surface layer 12 Pavement side water-permeable surface layer (water-permeable surface layer)
2 Side groove main body 20 Upper surface opening portion 21 Bottom portion 22 Side wall 23 Side wall 24 Drainage channel 25 Lid receiving step portion 3 Side groove lid 30 Mountain shape material 31 Water inlet 32 Connecting rod 35 Connecting piece 4 Side groove side water-permeable surface layer 6 Side groove 60 Existing side groove lid S Gap

Claims (3)

既存舗装路の上に通水性表層が形成された通水性舗装路に設置されている側溝構造であって、
既存側溝本体と、この既存側溝本体の上面開口部に装着される側溝蓋を備え、
前記側溝蓋には上面から裏面に貫通した通水口が形成され、
この側溝蓋を既存側溝本体の上面開口部に装着した状態で、前記側溝蓋の上面全面が前記通水性表層に一体に連続した側溝側通水性表層によって覆われ、
前記側溝蓋は、角部を頂部とした複数の山形型材が通水口となる間隙を保持した並列状態で連結されると共に、その連結部分で捻じれや撓みが生じるように可撓性連結部材によってフレキシブルに連結され、かつ山形型材の両端部が既存側溝本体の上面開口部に形成した蓋受け段部に載置される状態で装着されていることを特徴とする通水性舗装路用側溝構造。 A gutter structure installed on a water-permeable pavement where a water-permeable surface layer is formed on the existing pavement ,
An existing gutter body and a gutter lid mounted on the upper surface opening of the existing gutter body,
The side groove lid is formed with a water passage that penetrates from the upper surface to the back surface,
With this side groove cover attached to the upper surface opening of the existing side groove body, the entire upper surface of the side groove cover is covered with a side groove side water-permeable surface layer that is integrally continuous with the water-permeable surface layer,
The side groove lid is connected by a flexible connecting member so that a plurality of chevron-shaped members with corners at the top are connected in a parallel state with a gap serving as a water passage opening, and twisted or bent at the connecting portion. A side groove structure for a water-permeable pavement, which is connected in a flexible manner and is mounted in a state in which both end portions of a chevron are placed on a lid receiving step formed in an upper surface opening of an existing side groove main body . 既存舗装路の上に通水性表層が形成された通水性舗装路に形成され、その路肩又は路内に側溝が設置されている通水性舗装路であって、
既存側溝本体と、この既存側溝本体の上面開口部に装着される側溝蓋を備え、
前記側溝蓋には上面から裏面に貫通した通水口が形成され、
この側溝蓋を既存側溝本体の上面開口部に装着した状態で、前記側溝蓋の上面全面が前記通水性表層に一体に連続した側溝側通水性表層によって覆われ、
前記側溝蓋は、角部を頂部とした複数の山形型材が通水口となる間隙を保持した並列状態で連結されると共に、その連結部分で捻じれや撓みが生じるように可撓性連結部材によってフレキシブルに連結され、かつ山形型材の両端部が既存側溝本体の上面開口部に形成した蓋受け段部に載置される状態で装着されていることを特徴とする通水性舗装路。 A water- permeable pavement formed on a water-permeable pavement in which a water-permeable surface layer is formed on the existing pavement , and a side groove is installed in the shoulder or in the road,
An existing gutter body and a gutter lid mounted on the upper surface opening of the existing gutter body,
The side groove lid is formed with a water passage that penetrates from the upper surface to the back surface,
With this side groove cover attached to the upper surface opening of the existing side groove body, the entire upper surface of the side groove cover is covered with a side groove side water-permeable surface layer that is integrally continuous with the water-permeable surface layer,
The side groove lid is connected by a flexible connecting member so that a plurality of chevron-shaped members with corners at the top are connected in a parallel state with a gap serving as a water passage opening, and twisted or bent at the connecting portion. A water-permeable pavement characterized in that it is connected in a flexible manner and is mounted in a state in which both ends of the chevron are placed on a lid receiving step formed in the upper surface opening of the existing gutter body . 既存舗装路の上に通水性表層が形成された通水性舗装路に形成され、その路肩又は路内に側溝が設置されている通水性舗装路の施工方法であって、
既存舗装路及び既存側溝本体をそのままにした状態で、その既存側溝本体の上面開口部に、上面から裏面に貫通した通水口が形成されている側溝蓋を装着させ、
前記側溝蓋は、角部を頂部とした複数の山形型材が通水口となる間隙を保持した並列状態で連結されると共に、その連結部分で捻じれや撓みが生じるように可撓性連結部材によってフレキシブルに連結され、
かつ山形型材の両端部を既存側溝本体の上面開口部に形成した蓋受け段部に載置させるように側溝蓋を装着した状態で、既存舗装路の上に表層となる通水性表層を形成させる共に、この通水性表層と同時施工で一体に連続させた側溝側通水性表層により前記側溝蓋の上面全面を覆うことを特徴とする通水性舗装路の施工方法。 A method for constructing a water-permeable pavement formed on a water-permeable pavement in which a water-permeable surface layer is formed on an existing pavement , and a gutter is installed in the shoulder or in the road,
With the existing pavement and the existing side groove main body left intact, the side groove lid on which the water passage penetrating from the upper surface to the back surface is formed is attached to the upper surface opening of the existing side groove main body,
The side groove lid is connected by a flexible connecting member so that a plurality of chevron-shaped members with corners at the top are connected in a parallel state with a gap serving as a water passage opening, and twisted or bent at the connecting portion. Flexibly connected,
In addition , a water-permeable surface layer that is a surface layer is formed on the existing pavement in a state where the side groove lid is mounted so that both ends of the chevron are placed on the lid receiving step formed on the upper surface opening of the existing side groove main body . A method for constructing a water-permeable pavement characterized by covering the entire upper surface of the side groove cover with a side groove-side water-permeable surface layer that is continuously integrated with the water-permeable surface layer.
JP2003411911A 2003-12-10 2003-12-10 Side groove structure for water-permeable pavement, water-permeable pavement, and construction method of water-permeable pavement Expired - Lifetime JP3907001B2 (en)

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