JP3915986B2 - Drainage device for road structures - Google Patents

Drainage device for road structures Download PDF

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JP3915986B2
JP3915986B2 JP2003337925A JP2003337925A JP3915986B2 JP 3915986 B2 JP3915986 B2 JP 3915986B2 JP 2003337925 A JP2003337925 A JP 2003337925A JP 2003337925 A JP2003337925 A JP 2003337925A JP 3915986 B2 JP3915986 B2 JP 3915986B2
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drainage
guide piece
floor slab
window
wall
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JP2005105585A (en
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浩志 竹村
慶達 平塚
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Sho Bond Corp
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Sho Bond Corp
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Description

本発明は、高架道路、河川、渓谷等における道路構造物に設置される排水装置に関する。   The present invention relates to a drainage device installed on a road structure in an elevated road, a river, a valley, and the like.

一般に、道路構造物に設置される排水装置は、特に道路の構造において、表層を透水性舗装とする場合、図３に示すように、本体１、蓋２、排水管３とからなり、本体１にはその壁体１ａに排水用の小孔１ｅが形成され、蓋２には集水穴２ａが形成されている。   In general, a drainage device installed in a road structure is composed of a main body 1, a lid 2 and a drain pipe 3, as shown in FIG. A small hole 1e for drainage is formed in the wall body 1a, and a water collecting hole 2a is formed in the lid 2.

また、道路構造物は通常、同じく図３に示すように、床版１１の上に防水シート１２を敷設するとともに、その上に基層１３、表層１４が敷設してある。１ｃは落し口である。   Further, as shown in FIG. 3, the road structure usually has a waterproof sheet 12 laid on the floor slab 11, and a base layer 13 and a surface layer 14 laid thereon. 1c is a mouthpiece.

上述のようにしてなる排水装置を道路構造物に設置すると同じく図３に示すように、床版１１に敷設された防水シート１２は、排水装置の壁体１ａで縁切れとなってしまう。   When the drainage device constructed as described above is installed on a road structure, as shown in FIG. 3, the waterproof sheet 12 laid on the floor slab 11 is cut off at the wall body 1a of the drainage device.

そのため、透水性舗装からなる表層１４を用いて、表層上の雨水等を防水シート１２上に落しても、雨水等は道路構造物の排水装置の壁体１ａに形成された排水孔１ｅにより排水されるものの、かなりの量が壁体１ａに遮られて排水されないことになり、様々な課題を有する。   Therefore, even if rainwater or the like on the surface layer is dropped on the waterproof sheet 12 using the surface layer 14 made of water-permeable pavement, the rainwater or the like is drained by the drain holes 1e formed in the wall body 1a of the drainage device of the road structure. However, a considerable amount is blocked by the wall body 1a and is not drained, resulting in various problems.

本発明は、道路構造物の排水装置において、透水性舗装である表層を経た防水シート上の雨水等が道路構造物の排水装置の壁体によって遮られたことによる課題、すなわち、防水シート上の水を排水孔に導くことができない、十分な流量を確保できないため、泥、砂等による目詰まりが生じ、表層上の排水機能が麻痺するという課題を有する。   The present invention relates to a drainage device for road structures, a problem caused by rainwater and the like on a waterproof sheet that has passed through a surface layer that is water-permeable pavement blocked by a wall body of the drainage device for road structures, that is, on the waterproof sheet. Since water cannot be led to the drainage hole and a sufficient flow rate cannot be secured, clogging due to mud, sand, etc. occurs and the drainage function on the surface layer is paralyzed.

そこで、本発明では、泥、砂では目詰まりせず、透水性舗装を用いても十分な流量を確保でき、防水シートを用いた場合、排水装置に確実に排水できる道路構造物の排水装置を提供するものである。   Therefore, in the present invention, a drainage device for a road structure that is not clogged with mud and sand, can secure a sufficient flow rate even when using a water-permeable pavement, and can reliably drain to a drainage device when a waterproof sheet is used. It is to provide.

本発明は、上記の課題を解決するため、つぎの手段を提供する。   In order to solve the above problems, the present invention provides the following means.

本発明に係る道路構造物の排水装置は、本体の壁体下方に辺に沿って外側に突出した排水誘導片を形成し、かつ、排水誘導片を形成した壁体に排水誘導片の縁部から上方にかけて排水窓を形成するとともに排水窓の下端部は、本体が床版に設置されたとき、排水可能な位置にあるように設置することを特徴とする。   The drainage device for a road structure according to the present invention forms a drainage guide piece protruding outward along the side below the wall of the main body, and the edge of the drainage guide piece on the wall formed with the drainage guide piece A drainage window is formed from the top to the top, and the lower end of the drainage window is installed so as to be in a drainable position when the main body is installed on the floor slab.

本発明に係る道路構造物の排水装置は、壁体下方に辺に沿って外側に突出した排水誘導片を一体に形成した各壁体に排水誘導片から上方にかけて排水窓を形成した本体の排水窓の下端部が床版上面とほぼ面一又は以下になるようにして床版に設置し、床版上面から本体に形成した排水誘導片まで防水シートを敷設することを特徴とする。   The drainage device for a road structure according to the present invention is a drainage of a main body in which a drainage window is formed on each wall body integrally formed with a drainage guide piece projecting outward along the side below the wall body. The window is installed on the floor slab so that the lower end of the window is substantially flush with or less than the floor slab upper surface, and a waterproof sheet is laid from the floor slab upper surface to the drainage guide piece formed on the main body.

排水誘導片の構造の一例は、誘導面が溝状又は平面状からなることを特徴とする。   An example of the structure of the drainage guide piece is characterized in that the guide surface has a groove shape or a planar shape.

排水窓の構造の一例は、縦長にして上方を弧状に形成したことを特徴とする。   An example of the structure of the drainage window is characterized in that it is vertically long and formed in an arc shape on the top.

本発明は上述のような構成からなるので、つぎの効果を有する。   Since the present invention is configured as described above, it has the following effects.

本体下方に突出して排水誘導片を一体に形成し、かつ、排水誘導片を形成した各壁体に排水誘導片から上方にかけて排水窓を形成し、床版への設置に当り、排水窓の下端部が床版上面とほぼ面一又は以下になるように設置し、床版上面から本体に形成した排水誘導片まで防水シートを敷設することができるので、透水性舗装を通して防水シートに落ちた水は排水窓に確実に導かれ、確実な排水を可能にする。そのため、透水性舗装を用いても十分な流量を確保でき、また、泥、砂等による目詰まりを少なくすることができる。舗装上に水が滞留しないことにより既存の床版の健全化を図れる。   A drainage guide piece is integrally formed by protruding downward from the main body, and a drainage window is formed on each wall body from which the drainage guide piece is formed. Since the waterproof sheet can be installed from the floor slab upper surface to the drainage guide piece formed on the main body, the water that has fallen on the waterproof sheet through the permeable pavement Is reliably guided to the drainage window and allows for reliable drainage. Therefore, even if water-permeable pavement is used, a sufficient flow rate can be secured, and clogging due to mud, sand, etc. can be reduced. Soundness of existing floor slabs can be achieved because water does not stay on the pavement.

本発明を実施するための最良の形態を以下図１に基き説明する。   The best mode for carrying out the present invention will be described below with reference to FIG.

図１は、本発明に係る道路構造物の排水装置を床版に設置した状態を示す分解及び切り欠き斜視図である。   FIG. 1 is an exploded perspective view showing a state in which a drainage device for a road structure according to the present invention is installed on a floor slab.

本発明に係る道路構造物の排水装置は、公知の道路構造物の排水装置と同様に本体１、蓋２、排水管３とからなっている。   The drainage device for a road structure according to the present invention includes a main body 1, a lid 2, and a drain pipe 3 in the same manner as a well-known drainage device for a road structure.

本体１は、鋼製にして平面正方形又は長方形とし、その下端部以下に推状の落し口１ｃを有している。   The main body 1 is made of steel and has a square or rectangular shape, and has a thrust-like drop opening 1c below its lower end.

本体１の壁体１ａの下方、この実施例では三方の壁体１ａの下端方の外側に突出して、排水誘導片４が一体に形成されるとともに同じ三方の壁体１ａに排水窓１ｂが開口されている。   Under the wall 1a of the main body 1, in this embodiment, it protrudes to the outside of the lower end of the three-sided wall 1a, the drainage guiding piece 4 is integrally formed, and the drainage window 1b is opened in the same three-sided wall 1a. Has been.

排水誘導片４は、誘導面が平面からなり外側から内側にかけて下方に向けて傾斜する平板で形成され、この排水誘導片４の内側縁部から上方にかけて、壁体１ａの高さの２分の１以上の長孔にして、かつ、上方が上に凸の弧状形をした排水窓が形成されている。排水窓１ｂは、大きな流量に備えるため大口であるとともに荷重に対応するため上方を弧状形とした。この実施例では、一方の壁体１ａは、道路幅員方向の一側端部に位置するので、排水誘導片４は形成されず、排水窓１ｂは開口されず、その両側に突出壁１ｄを形成してなる。この突出壁１ｄは床版上の雨水等の横もれを防止する機能を有するが、ない場合は４面に誘導片４を形成する。   The drainage guide piece 4 is formed of a flat plate whose guide surface is a flat surface and is inclined downward from the outside to the inside. The drainage guide piece 4 extends upward from the inner edge of the drainage guide piece 4 to half the height of the wall 1a. A drainage window having an arcuate shape with one or more elongated holes and a convex upward upward is formed. The drainage window 1b has a large opening in order to prepare for a large flow rate, and has an arcuate shape on the upper side to cope with the load. In this embodiment, since one wall body 1a is located at one side end in the road width direction, the drainage guide piece 4 is not formed, the drainage window 1b is not opened, and the protruding walls 1d are formed on both sides thereof. Do it. The protruding wall 1d has a function of preventing the rainwater and the like from leaking on the floor slab, but when there is not, the guide piece 4 is formed on four sides.

蓋２は鋼製にして集水穴２ａが形成されている。   The lid 2 is made of steel and has a water collecting hole 2a.

排水管３は本体１の落し口１ｃに連接している。   The drain pipe 3 is connected to the outlet 1 c of the main body 1.

このようにして形成された道路構造物の排水装置は、図１に示すようにして床版に設置される。図は橋梁の構造を分りやすくするため一部分を切り欠いた形式で示してある。   The road structure drainage device thus formed is installed on the floor slab as shown in FIG. The figure is shown with a part cut away to make the structure of the bridge easier to understand.

この橋梁の構造は、床版１１はＲＣ床版からなり、床版１１の上に防水シート１２を、防水シート１２の上に基層１３を、基層１３の上に透水性舗装からなる表層１４によって形成されている。   The structure of this bridge is that the floor slab 11 is an RC floor slab, with a waterproof sheet 12 on the floor slab 11, a base layer 13 on the waterproof sheet 12, and a surface layer 14 made of water-permeable pavement on the base layer 13. Is formed.

この実施の形態において、道路構造物の排水装置は、排水窓１ｂの下端部が床版１１上面とほぼ面一又は以下になるようにして設置される。設置後、床版１１上面から排水誘導片４の溝４ａの内側縁部まで面なりに防水シート１２が敷設される。ついで、基層１３、表層１４が順次敷設される。   In this embodiment, the drainage device for a road structure is installed such that the lower end of the drainage window 1b is substantially flush with or below the upper surface of the floor slab 11. After installation, the waterproof sheet 12 is laid so as to face from the upper surface of the floor slab 11 to the inner edge of the groove 4a of the drainage guide piece 4. Next, the base layer 13 and the surface layer 14 are sequentially laid.

つぎに、排水誘導片と防水シートの定着方法の幾つかを図２に基き説明する。   Next, some methods for fixing the drainage guide piece and the waterproof sheet will be described with reference to FIG.

（ａ）は防水シート１２を溝４ａを形成した排水誘導片４に面なりに敷設したものであり、（ｂ）は平板とし、壁体１ａから突出させて一体に形成し、この上に防水シート１２を敷設したものであり、（ｃ）は上述した実施例と同様のもので、排水誘導片４をやや勾配を持たせた平板とし、壁体１ａから突出させて一体に形成し、この上に防水シート１２を敷設したものを示す。   (A) is a sheet of waterproof sheet 12 laid on the drainage guide piece 4 formed with a groove 4a. (B) is a flat plate which is integrally formed by projecting from the wall body 1a. The sheet 12 is laid, and (c) is the same as the above-described embodiment, and the drainage guide piece 4 is formed as a flat plate having a slight slope, and is integrally formed by protruding from the wall body 1a. The thing which laid the waterproof sheet 12 on top is shown.

本発明は、上述のようにしてなるので、透水性舗装を経て防水シート上に集水された雨水等は、流量が大きくても防水シートが床版上と排水誘導片とに敷設されて、下端部が排水可能に位置する排水窓に直結するので、壁体に遮られることなく、そのまま排水が可能となった。   Since the present invention is configured as described above, the rainwater collected on the waterproof sheet through the water-permeable pavement is laid on the floor slab and the drainage guide piece even if the flow rate is large, Since the lower end is directly connected to the drainage window located so that drainage is possible, drainage is possible without being blocked by the wall.

まお、本発明は、上述の実施の形態に限定されるものでないことはもちろんである。   Of course, the present invention is not limited to the above-described embodiment.

本発明の実施の形態を示す一部切り欠き分解斜視図である。It is a partially cutaway exploded perspective view showing an embodiment of the present invention. 本発明における排水誘導片の一例を示す概略図で、（ａ）は誘導面が溝状の排水誘導片を示し、（ｂ）は誘導面が平面状の平板からなる排水誘導片を示し、（ｃ）は誘導面が勾配をもった平板からなる排水誘導片を示す。BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic which shows an example of the waste_water | drain guide piece in this invention, (a) shows the drainage guidance piece where a guidance surface is a groove shape, (b) shows the drainage guidance piece which a guidance surface consists of a flat plate, c) shows a drainage guide piece made of a flat plate with a guide surface having a gradient. 従来例を示す一部切り欠き分解斜視図である。It is a partially cutaway exploded perspective view showing a conventional example.

符号の説明Explanation of symbols

１ 本体
１ａ 壁体
１ｂ 排水窓
１ｃ 落し口
１ｄ 突出壁
２ 蓋
２ａ 集水穴
３ 排水管
４ 排水誘導片
４ａ 溝
１１ 床版
１２ 防水シート
１３ 基層
１４ 表層 DESCRIPTION OF SYMBOLS 1 Main body 1a Wall 1b Drain window 1c Drop port 1d Projection wall 2 Lid 2a Water collecting hole 3 Drain pipe 4 Drainage guide piece 4a Groove 11 Floor slab 12 Waterproof sheet 13 Base layer 14 Surface layer

Claims (4)

本体の壁体下方に辺に沿って外側に突出した排水誘導片を形成し、かつ、排水誘導片を形成した壁体に排水誘導片の縁部から上方にかけて排水窓を形成するとともに排水窓の下端部は、本体が床版に設置されたとき、排水可能な位置にあるように設置することを特徴とする道路構造物の排水装置。   A drainage guide piece projecting outward along the side is formed below the wall of the main body, and a drainage window is formed on the wall body on which the drainage guide piece is formed from the edge of the drainage guide piece to the upper side. A drainage device for a road structure, characterized in that the lower end portion is installed such that when the main body is installed on a floor slab, it is in a position where drainage is possible. 壁体下方に辺に沿って外側に突出した排水誘導片を一体に形成した各壁体に排水誘導片から上方にかけて排水窓を形成した本体の排水窓の下端部が床版上面とほぼ面一又は以下になるようにして床版に設置し、床版上面から本体に形成した排水誘導片まで防水シートを敷設することを特徴とする道路構造物の排水装置。   The lower end of the drainage window of the main body in which the drainage window is formed from the drainage guidance piece upward to each wall that is formed integrally with the drainage guidance piece projecting outward along the side below the wall is substantially flush with the upper surface of the floor slab Alternatively, a drainage device for a road structure is installed on a floor slab as described below, and a waterproof sheet is laid from the floor slab upper surface to a drainage guide piece formed on the main body. 排水誘導片は、誘導面が溝状又は平面状からなることを特徴とする請求項１又は請求項２に記載の道路構造物の排水装置。   The drainage device for a road structure according to claim 1 or 2, wherein the drainage guide piece has a guide surface having a groove shape or a planar shape. 排水窓は、縦長にして上方を弧状に形成したことを特徴とする請求項１、請求項２又は請求項３に記載の道路構造物の排水装置。   The drainage device for a road structure according to claim 1, wherein the drainage window is vertically long and is formed in an arc shape on the upper side.
JP2003337925A 2003-09-29 2003-09-29 Drainage device for road structures Expired - Lifetime JP3915986B2 (en)

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JP3915986B2 true JP3915986B2 (en) 2007-05-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4897551B2 (en) * 2007-04-13 2012-03-14 繁之 松井 Pedestrian boundary drainage device
KR101028522B1 (en) * 2010-05-07 2011-04-11 영신기술 주식회사 A water collect device for bridge
KR101255641B1 (en) * 2012-11-09 2013-04-16 김원주 Apparatus for excretion rainwater
JP5522702B1 (en) * 2013-05-28 2014-06-18 中大実業株式会社 Bridge floor burial drainage device and bridge floor slab new construction or repair method using the device
JP6951703B2 (en) * 2017-05-30 2021-10-20 中大実業株式会社 Drainage pipe for bridge deck

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