JP2011080306A - Construction method of reforming existing side ditch - Google Patents

Construction method of reforming existing side ditch Download PDF

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JP2011080306A
JP2011080306A JP2009234817A JP2009234817A JP2011080306A JP 2011080306 A JP2011080306 A JP 2011080306A JP 2009234817 A JP2009234817 A JP 2009234817A JP 2009234817 A JP2009234817 A JP 2009234817A JP 2011080306 A JP2011080306 A JP 2011080306A
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side groove
lid
existing
existing side
width direction
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Kamihide Matsubayashi
神秀 松林
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Goto Concrete Co Ltd
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Goto Concrete Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method of laying a water permeating pavement material set flush with the upper surface of an existing road and giving durability the pavement material having water permeability on its upper surface to facilitate the pavement and reformation of an existing side ditch. <P>SOLUTION: An existing lid placed on the upper surface of an existing side ditch 1 is removed. A new side ditch lid 4 having filler injection cutouts on its widthwise ends with a water-permeating hole is placed between both side wall lid support 3 of the existing side ditch 1. The widthwise length of the new side ditch lid 4 is determined in advance to be shorter than the distance between both lid supports 3 of the existing side ditch 1. When spaces are formed at both widthwise ends of the both lid supports 3, a filler 6 is injected into the spaces or filler injection cutouts to fix the new side ditch lid 4 to the lid supports 3. A water-permeating pavement material 7 is overlaid on the upper surface of the new side ditch lid 4 placed on the lid supports 3 to make the upper surface flush with a new road surface. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、既に敷設されているＵ字溝などの既設側溝上面に、雨水流入部となるスリット（透水孔）が形成された新規な側溝蓋を載置形成すると共に、当該上面につき、透水性を有するアスファルト等の透水舗装材で被覆する既設側溝路の再形成工法に関するものである。
The present invention mounts and forms a new side groove cover in which a slit (water-permeable hole) serving as a rainwater inflow portion is formed on an existing side groove upper surface such as a U-shaped groove that has already been laid. The present invention relates to a method for reforming an existing side groove covered with a permeable pavement material such as asphalt.

近年、急速に道路などのインフラ整備がなされ、また該道路脇には、Ｕ字溝に代表される上面が開口した下水用側溝が敷設されるに至っている。
ここで、Ｕ字溝に代表される上面が開口した下水用側溝には、通常前記上面に側溝用の蓋が載置される。しかるにこの側溝蓋は、一般的に、側溝の上面に固定されず、そのため、該側溝蓋のガタつきによる騒音問題が生じたり、また車両に踏まれた側溝蓋が跳ね上がり、例えば当該車両のフロントガラスに衝突したりして、事故を起こす可能性もあった。
さらには近年において見られる現象であるが、前記側溝蓋のガタつきにより、側溝上面部分と前記側溝蓋が当接して側溝自体を破損してしまうなど、各種の課題が山積していた。
そこで、本発明者は、前記各事情に鑑み、例えばモルタルで固定できる側溝蓋を創案するに至った（特許第３９４３１１４号）。 In recent years, infrastructure such as roads has been rapidly improved, and a side groove for sewage having an upper surface represented by a U-shaped groove has been laid on the side of the road.
Here, a lid for a side groove is usually placed on the upper surface of the side groove for sewage whose upper surface is typified by a U-shaped groove. However, this side groove cover is generally not fixed to the upper surface of the side groove, so that noise problems due to rattling of the side groove cover occur, or the side groove cover stepped on the vehicle jumps up, for example, the windshield of the vehicle Could cause an accident.
Furthermore, although this phenomenon is observed in recent years, various problems such as the side groove cover contacting with the side groove upper surface portion and the side groove cover being damaged due to backlash of the side groove cover have been piled up.
In view of the above circumstances, the present inventor has come up with a side groove lid that can be fixed with, for example, mortar (Japanese Patent No. 3934114).

特許第３９４３１１４号Japanese Patent No. 3934114

しかしながら、近年では透水性に優れたアスファルトなどの透水舗装材を使用して道路を敷設し、再整備する事業が盛んに行われており、既設の側溝路上にも透水性に優れたアスファルトなどの透水舗装材で覆うことが要請されている。
ここで、既設の各道路の構造につき考察してみると、一般的には、舗装された道路の上面と、例えば道路の両脇に敷設されたＵ字溝などからなる側溝上面とは同じ高さに形成されている。すなわち、この側溝上面の高さは側溝蓋が載置されている場合や側溝蓋が載置されていない場合にかかわらず、前記道路の上面とほぼ同様の高さとされているのである。 In recent years, however, roads have been laid and re-developed using permeable pavement materials such as asphalt with excellent water permeability, and asphalt with excellent water permeability is also installed on existing side ditches. It is required to cover with permeable pavement material.
Here, when considering the structure of each existing road, in general, the upper surface of the paved road and the upper surface of the side groove composed of U-shaped grooves laid on both sides of the road, for example, are the same height. Is formed. That is, the height of the upper surface of the side groove is substantially the same as that of the upper surface of the road regardless of whether the side groove cover is placed or no side groove cover is placed.

従って、例えば既設の側溝蓋つき側溝の上面にも透水性を有する舗装材を敷設する場合には、従来の既設道路上面との高さをあわせ、いわゆる面一にするために既設側溝の両側壁上部をカットするのみならず、蓋の厚みも薄いタイプの側溝蓋に交換する必要が生ずるのである。
また、場合によっては道路面を従来より高くする場合も生じ、その場合には既設側溝の両側壁上部をカットすることなく、通常の厚さからなる新設側溝蓋を使用し、道路面を高くした分だけ既設側溝路の上面に透水舗装材を敷設することもある。
また、従来における既設側溝はその幅方向に長さの若干異なる、すなわち誤差を有するものが比較的多く敷設されており、新たに厚みの薄い、かつ透水孔を有するタイプの側溝蓋を載置する場合など、前記誤差を吸収するような幅の新設側溝蓋としなければならないとの課題もある。 Therefore, for example, when paving material having water permeability is also laid on the upper surface of a side groove with an existing side groove lid, both side walls of the existing side groove are aligned with the existing existing road upper surface so as to be flush with each other. In addition to cutting the upper part, it is necessary to replace the lid with a gutter having a thin lid.
Also, in some cases, the road surface may be made higher than before, in which case the road surface is raised by using a new side groove cover with a normal thickness without cutting the upper side walls of the existing side groove. Permeable pavement material may be laid on the upper surface of the existing side channel.
In addition, the existing side grooves are slightly different in length in the width direction, that is, a relatively large number of those having errors are laid, and a new type of side groove cover having a thin water permeability hole is newly placed. In some cases, there is also a problem that a new side groove cover having a width that can absorb the error is required.

いずれにせよ、新設の側溝蓋を載置し、その上を透水舗装材で敷設する場合に課題とされるのは、前記新設側溝蓋にも充分な透水部を有するものを使用し、かつ既設側溝には堅固に固定できて決してがたつきを生じさせないことである。なぜなら、載置下新設側溝蓋が堅固に固定されていないときには、その上に敷設する透水舗装材が前記のがたつきにより破損したり、剥離したりするからである。 In any case, when installing a new side groove cover and laying it on it with a permeable pavement material, the problem is that the new side groove cover also has a sufficiently permeable part and is already installed. It can be firmly fixed to the side groove and never causes rattling. This is because when the newly installed side groove cover is not firmly fixed under placement, the water-permeable pavement material laid thereon is damaged or peeled off due to the rattling.

かくして、本発明は、前記従来からの各種課題に対処すべく創案されたものであり、例えば、既設側溝の上面に透水性を有する舗装材を敷設しなければならない場合に、既設道路の上面と高さをあわせて、透水性を有する舗装材を比較的容易に敷設でき、かつ、既設の側溝がその幅方向に長さの若干異なる、すなわち誤差を有するものが比較的多く敷設されていても、新たに厚みの薄い、かつ透水孔を有するタイプの側溝蓋を載置して、前記誤差を吸収するような幅の新設側溝蓋となしえ、さらには新設側溝蓋を堅固に既設側溝に固定でき、もって既に敷設されているＵ字溝などの既設側溝上面に、雨水流入部となるスリットが形成された新規な側溝蓋を簡単に載置形成できると共に、当該上面につき、透水性を有するアスファルト等の舗装材を耐久性をもたせて、しかも容易に敷設でき、既設側溝路の再形成が容易に行える既設側溝路の再形成工法を提供することを目的とするものである。
Thus, the present invention has been devised to cope with the above-described various problems. For example, when it is necessary to lay paving material having water permeability on the upper surface of the existing side groove, Even if the pavement material having water permeability can be laid relatively easily according to the height, and the existing gutters are slightly different in length in the width direction, that is, if there are relatively many laying errors. A new thin side groove cover with a water-permeable hole can be mounted to form a new side groove cover with a width that can absorb the error, and the new side groove cover is firmly fixed to the existing side groove. It is possible to easily place and form a new side groove cover with a slit to be a rainwater inflow portion on the upper surface of an existing side groove such as a U-shaped groove that has already been laid. Pavement etc. The by remembering durable, yet easy to lay, it is an object to provide a reforming method of the existing gutter path remodeling of the existing gutter path can be performed easily.

本発明による既設側溝路の再形成工法は、
既設側溝と該既設側溝の上面に載置された蓋とを有する既設側溝路の再形成工法であって、前記既設側溝路面より路面を高くした新設道路面の脇に設けられた既設側溝路の再形成工法であり、
前記蓋を取り外し、前記既設側溝の両側壁蓋受け部間へ、幅方向端部に充填材注入用切り欠きが設けられた透水孔付き新設側溝蓋を載置し、
幅方向長さに誤差のある蓋受け部を備えた既設側溝についても対応可能にすべく、予め前記新設側溝蓋の幅方向長さを、前記既設側溝について定められた蓋受け部の幅方向長さより短い長さにして前記既設側溝の蓋受け部に載置し、該蓋受け部の幅方向両端側に空間部が生じたときにも、該空間部あるいは前記充填材注入用切り欠きに充填材を充填して前記新設側溝蓋を前記蓋受け部に固定し、
前記新設側溝蓋を載置した上面には、前記新設道路面と面一にすべく透水舗装材を敷設した、
ことを特徴とし、
または、
既設側溝と該既設側溝の上面に載置された蓋とを有する既設側溝路の再形成工法であり、
前記蓋を取り外し、前記既設側溝の両側壁蓋受け部上部箇所をカットして蓋受け部の深さを浅くし、該浅くした蓋受け部の深さと略同等の厚さからなる幅方向端部に充填材注入用切り欠きが設けられた透水用孔付き新設側溝蓋を載置し、
幅方向長さに誤差のある蓋受け部を備えた既設側溝についても対応可能にすべく、予め前記新設側溝蓋の幅方向長さを、前記既設側溝について定められた蓋受け部の幅方向長さより短い長さにして前記既設側溝の蓋受け部に載置してなり、該蓋受け部の幅方向両端側に空間部が生じたときにも、該空間部あるいは前記充填材注入用切り欠きに充填材を充填して、前記新設側溝蓋を前記蓋受け部に固定し、
前記新設側溝蓋を載置した上面には、既設蓋受け部のカットト長さ分につき、透水舗装材を敷設した、
ことを特徴とするものである。
The reconstruction method for existing side grooves according to the present invention is:
A method for re-forming an existing side groove having an existing side groove and a lid placed on the upper surface of the existing side groove, wherein the existing side groove is provided on the side of a new road surface that is higher than the existing side groove surface. Remodeling method,
Remove the lid, between the both side wall lid receiving portion of the existing side groove, place a new side groove lid with a water permeable hole provided with a filling material injection notch at the width direction end,
The width direction length of the new side groove lid is determined in advance by the width direction length of the lid receiving portion determined for the existing side groove so as to be able to cope with the existing side groove provided with the lid receiving portion having an error in the width direction length. Even when a space portion is formed on both ends of the lid receiving portion in the width direction, the space portion or the filling material injection notch is filled. Filling the material and fixing the new side groove lid to the lid receiving portion,
On the upper surface where the newly installed side groove lid was placed, a permeable pavement material was laid to be flush with the new road surface,
It is characterized by
Or
It is a reconstruction method of an existing side groove having an existing side groove and a lid placed on the upper surface of the existing side groove,
The lid is removed, the upper side portions of the side wall lid receiving portions of the existing side groove are cut to reduce the depth of the lid receiving portion, and the width direction end portion having a thickness substantially equal to the depth of the shallow lid receiving portion Place a new side groove lid with a water permeable hole provided with a notch for filling material filling,
The width direction length of the new side groove lid is determined in advance by the width direction length of the lid receiving portion determined for the existing side groove so as to be able to cope with the existing side groove provided with the lid receiving portion having an error in the width direction length. Even when a space portion is formed on both ends of the lid receiving portion in the width direction, the space portion or the filler injection notch is formed. Filling the filler with, and fixing the new side groove lid to the lid receiving portion,
On the upper surface where the newly installed side groove lid was placed, a permeable pavement material was laid for the cut length of the existing lid receiving portion,
It is characterized by this.

本発明による既設側溝路の再形成工法であれば、例えば、既設側溝の上面に透水性を有する舗装材を敷設しなければならない場合に、道路の上面と高さをあわせて、透水性を有する舗装材を比較的容易に敷設でき、かつ、既設の側溝がその幅方向に長さの若干異なる、すなわち誤差を有するものが比較的多く敷設されていても、新たに厚みの薄い、かつ透水孔を有するタイプの側溝蓋などを載置して、前記誤差を吸収するような幅の新設側溝蓋となしえ、さらには新設側溝蓋を堅固に既設側溝に固定でき、もって既に敷設されているＵ字溝などの既設側溝上面に、雨水流入部となるスリットが形成された新規な側溝蓋を簡単に載置形成できると共に、当該上面につき、透水性を有するアスファルト等の舗装材を耐久性をもたせて、しかも容易に敷設でき、既設側溝路の再形成が容易に行えるとの優れた効果を奏する。
If it is the re-formation method of the existing side groove according to the present invention, for example, when it is necessary to lay pavement material having water permeability on the upper surface of the existing side groove, the road upper surface and the height are combined to have water permeability. Pavement material can be laid relatively easily, and the existing gutters are slightly different in length in the width direction, that is, even if a relatively large number of those with errors are laid, the newly-thin and water-permeable holes It is possible to form a new side groove cover having a width so as to absorb the error, and to fix the new side groove cover firmly to the existing side groove. A new gutter lid with slits to be the rainwater inflow section can be easily placed on the upper surface of the existing side groove such as a gutter, and the pavement material such as water-permeable asphalt is made durable on the upper surface. And easy Laying can, an excellent effect of the reformation of the existing gutter path easily.

本発明に係る既設側溝路の再形成工法の工程を示す説明図（その１）である。It is explanatory drawing (the 1) which shows the process of the reconstruction method of the existing side groove | channel which concerns on this invention. 本発明に係る既設側溝路の再形成工法の工程を示す説明図（その２）である。It is explanatory drawing (the 2) which shows the process of the reconstruction method of the existing side groove | channel which concerns on this invention. 本発明に係る既設側溝路の再形成工法により再形成された既設側溝路を示す説明図（その１）である。It is explanatory drawing (the 1) which shows the existing side ditch | path re-formed by the re-formation method of the existing side ditch | path which concerns on this invention. 本発明に係る既設側溝路の再形成工法により再形成された既設側溝路を示す説明図（その２）である。It is explanatory drawing (the 2) which shows the existing side ditch | path re-formed by the re-formation method of the existing side ditch | path which concerns on this invention. 本発明に係る透水孔付き新設側溝蓋の構成を説明する概略構成説明図である。It is schematic structure explanatory drawing explaining the structure of the new side groove cover with a water-permeable hole which concerns on this invention.

以下、図を参照して本発明の実施形態を説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１及び図２は、既設側溝１と該既設側溝１の上面に載置された既設蓋２とを有する既設側溝路の再形成工法における工程を示す説明図である。
まず、図１に示すように、まず前記既設蓋２が載置されている場合には、該既設蓋２を取り外す。
次いで、前記既設側溝１の両側壁蓋受け部３、３上部箇所を切断機などでカットして蓋受け部３、３の深さを浅くする。
次に、前記浅くした蓋受け部の深さと略同等の厚さからなる雨水透水孔付き新設側溝蓋４を載置する。 FIG. 1 and FIG. 2 are explanatory views showing steps in an existing side groove re-forming method having an existing side groove 1 and an existing lid 2 placed on the upper surface of the existing side groove 1.
First, as shown in FIG. 1, when the existing lid 2 is first placed, the existing lid 2 is removed.
Next, the upper side portions of the side wall lid receiving portions 3 and 3 of the existing side groove 1 are cut with a cutting machine or the like to reduce the depth of the lid receiving portions 3 and 3.
Next, the new side groove lid 4 with rainwater permeation holes having a thickness substantially equal to the depth of the shallow lid receiving portion is placed.

なお、前記既設側溝１の両側壁蓋受け部３、３上部箇所を切断機などでカットしない場合もある。すなわち、道路を再整備する場合によっては、当該道路面を従来より高くしなければならない場合も生じ、その場合には既設側溝１の両側壁上部をカットすることなく、かつ通常の厚さからなる新設側溝蓋４を使用し、隣の道路面を高くした分だけ既設側溝路の上面に透水舗装材を敷設することもある。
ここで、図５などを参照して新設側溝蓋４の構成につき述べると、雨水等の水を通過させる透水孔を有していなければならない。なぜなら、上面が透水性を有するアスファルトなどの透水舗装材で被覆されるため、蓋自体に透水孔が設けられていなければ、溜まった雨水などを側溝内へ流すことが出来ないからである。 In some cases, the upper portions of the side wall lid receiving portions 3 and 3 of the existing side groove 1 are not cut by a cutting machine or the like. That is, depending on the case of redeveloping the road, there is a case where the road surface has to be made higher than before, and in that case, the upper side walls of the existing side groove 1 are not cut and have a normal thickness. The new side gutter lid 4 is used, and the permeable pavement material may be laid on the upper surface of the existing side gutter as the adjacent road surface is raised.
Here, referring to FIG. 5 and the like, the construction of the newly installed side groove lid 4 must have a water-permeable hole through which water such as rainwater passes. This is because the upper surface is covered with a water-permeable pavement material such as asphalt having water permeability, and therefore, if the lid itself does not have a water-permeable hole, accumulated rainwater or the like cannot flow into the side groove.

よって、本件発明においては、蓋の幅方向略中央に、上下面を貫通する直線状のスリットを形成し、該スリットを透水部５としてある。
そして、一般に、このような側溝蓋を有する側溝は、都市型側溝と称されている。
ところで、従来より敷設されている既設側溝１は、幅方向長さに誤差のある蓋受け部３、３を有している場合がある。
さらには、既設側溝１自体の幅方向の長さに誤差がある場合もある。すなわち、例えば通常、側溝の幅は５００ミリと設定されている場合に、４９５ミリの幅のものがあったり、５１０ミリの幅のものがあったりする既設側溝１が敷設されている場合があるのである。 Therefore, in this invention, the linear slit which penetrates an up-and-down surface is formed in the width direction substantially center of a lid | cover, and this slit is made into the water-permeable part 5. FIG.
And generally the side groove | channel which has such a side groove cover is called the urban type side groove | channel.
By the way, the existing side groove | channel 1 currently laid conventionally may have the cover receiving parts 3 and 3 with an error in the width direction length.
Further, there may be an error in the length in the width direction of the existing side groove 1 itself. That is, for example, when the width of the side groove is usually set to 500 mm, the existing side groove 1 having a width of 495 mm or a width of 510 mm may be laid. It is.

しかるに、このような幅方向に誤差のある既設側溝１についても、本発明では対応可能にしている。
すなわち、予め前記新設側溝蓋４の幅方向長さを、前記既設側溝１について定められた蓋受け部３、３間の幅方向長さより短い長さ、例えば前述の例で説明すると、通常、５００ミリの幅の長さのものを４９０ミリで作成しておくのである。
この幅の長さの新設側溝蓋４であれば、幅に誤差のある既設側溝１であっても、載置して固定することが出来る。
そして、既設側溝１の蓋受け部３、３間において、その幅方向両端側に空間部が生じたときには、該空間部にモルタルなどの充填材６を充填し前記新設側溝蓋４を既設側溝１に固定すればよい。 However, the present invention can cope with the existing side groove 1 having an error in the width direction.
That is, the length in the width direction of the new side groove lid 4 is shorter than the length in the width direction between the lid receiving portions 3 and 3 determined for the existing side groove 1 in advance, for example, in the above example, normally 500 The thing of the width of a millimeter is created with 490 millimeters.
With the new side groove cover 4 having this width, even the existing side groove 1 having an error in width can be placed and fixed.
When a space portion is formed between the lid receiving portions 3 and 3 of the existing side groove 1 at both ends in the width direction, the space portion is filled with a filler 6 such as mortar, and the new side groove cover 4 is attached to the existing side groove 1. What is necessary is just to fix to.

なお、図５から理解されるように、新設側溝蓋４の幅方向端部には、前記充填材６の注入用切り欠き８が設けられている。
この実施例では左右の端部に２箇所ずつの合計４箇所形成されている。よって、この注入用切り欠き８・・・から充填材６を注入し、前記新設側溝蓋４を堅固に既設側溝１へ固定するものとなる。
そして、前記新設側溝蓋４を載置固定した既設側溝１の上面には、既設蓋受け部３、３の上部のカット長さ分につき、透水性を有する舗装材７を敷設して再形成は完了する。
As can be understood from FIG. 5, a notch 8 for injecting the filler 6 is provided at an end in the width direction of the new side groove lid 4.
In this embodiment, a total of four points are formed at two left and right ends. Therefore, the filler 6 is injected from the injection cutouts 8... And the new side groove cover 4 is firmly fixed to the existing side groove 1.
Then, on the upper surface of the existing side groove 1 on which the new side groove lid 4 is placed and fixed, a pavement material 7 having water permeability is laid for the cut length of the upper part of the existing lid receiving portions 3 and 3 to be reformed. Complete.

１ 既設側溝
２ 既設蓋
３ 蓋受け部
４ 新設側溝蓋
５ 透水部
６ 充填材
７ 舗装材
８ 注入用切り欠き DESCRIPTION OF SYMBOLS 1 Existing side groove 2 Existing lid 3 Cover receiving part 4 New side groove cover 5 Water permeable part 6 Filling material 7 Pavement material 8 Notch for injection

Claims (2)

既設側溝と該既設側溝の上面に載置された蓋とを有する既設側溝路の再形成工法であって、前記既設側溝路面より路面を高くした新設道路面の脇に設けられた既設側溝路の再形成工法であり、
前記蓋を取り外し、前記既設側溝の両側壁蓋受け部間へ、幅方向端部に充填材注入用切り欠きが設けられた透水孔付き新設側溝蓋を載置し、
幅方向長さに誤差のある蓋受け部を備えた既設側溝についても対応可能にすべく、予め前記新設側溝蓋の幅方向長さを、前記既設側溝について定められた蓋受け部の幅方向長さより短い長さにして前記既設側溝の蓋受け部に載置し、該蓋受け部の幅方向両端側に空間部が生じたときにも、該空間部あるいは前記充填材注入用切り欠きに充填材を充填して前記新設側溝蓋を前記蓋受け部に固定し、
前記新設側溝蓋を載置した上面には、前記新設道路面と面一にすべく透水舗装材を敷設した、
ことを特徴とする既設側溝路の再形成工法。
A method for re-forming an existing side groove having an existing side groove and a lid placed on the upper surface of the existing side groove, wherein the existing side groove is provided on the side of a new road surface that is higher than the existing side groove surface. Remodeling method,
Remove the lid, between the both side wall lid receiving portion of the existing side groove, place a new side groove lid with a water permeable hole provided with a filling material injection notch at the width direction end,
The width direction length of the new side groove lid is determined in advance by the width direction length of the lid receiving portion determined for the existing side groove so as to be able to cope with the existing side groove provided with the lid receiving portion having an error in the width direction length. Even when a space portion is formed on both ends of the lid receiving portion in the width direction, the space portion or the filling material injection notch is filled. Filling the material and fixing the new side groove lid to the lid receiving portion,
On the upper surface where the newly installed side groove lid was placed, a permeable pavement material was laid to be flush with the new road surface,
This is a method for re-forming existing side grooves.
既設側溝と該既設側溝の上面に載置された蓋とを有する既設側溝路の再形成工法であり、
前記蓋を取り外し、前記既設側溝の両側壁蓋受け部上部箇所をカットして蓋受け部の深さを浅くし、該浅くした蓋受け部の深さと略同等の厚さからなる幅方向端部に充填材注入用切り欠きが設けられた透水用孔付き新設側溝蓋を載置し、
幅方向長さに誤差のある蓋受け部を備えた既設側溝についても対応可能にすべく、予め前記新設側溝蓋の幅方向長さを、前記既設側溝について定められた蓋受け部の幅方向長さより短い長さにして前記既設側溝の蓋受け部に載置してなり、該蓋受け部の幅方向両端側に空間部が生じたときにも、該空間部あるいは前記充填材注入用切り欠きに充填材を充填して、前記新設側溝蓋を前記蓋受け部に固定し、
前記新設側溝蓋を載置した上面には、既設蓋受け部のカットト長さ分につき、透水舗装材を敷設した、
ことを特徴とする既設側溝路の再形成工法。 It is a reconstruction method of an existing side groove having an existing side groove and a lid placed on the upper surface of the existing side groove,
The lid is removed, the upper side portions of the side wall lid receiving portions of the existing side groove are cut to reduce the depth of the lid receiving portion, and the width direction end portion having a thickness substantially equal to the depth of the shallow lid receiving portion Place a new side groove lid with a water permeable hole provided with a notch for filling material filling,
The width direction length of the new side groove lid is determined in advance by the width direction length of the lid receiving portion determined for the existing side groove so as to be able to cope with the existing side groove provided with the lid receiving portion having an error in the width direction length. Even when a space portion is formed on both ends of the lid receiving portion in the width direction, the space portion or the filler injection notch is formed. Filling the filler with, and fixing the new side groove lid to the lid receiving portion,
On the upper surface where the newly installed side groove lid was placed, a permeable pavement material was laid for the cut length of the existing lid receiving portion,
This is a method for re-forming existing side grooves.
JP2009234817A 2009-10-09 2009-10-09 Construction method of reforming existing side ditch Pending JP2011080306A (en)

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