JPH0960019A - Manhole made from resin with reinforcing rib - Google Patents
Manhole made from resin with reinforcing ribInfo
- Publication number
- JPH0960019A JPH0960019A JP7208704A JP20870495A JPH0960019A JP H0960019 A JPH0960019 A JP H0960019A JP 7208704 A JP7208704 A JP 7208704A JP 20870495 A JP20870495 A JP 20870495A JP H0960019 A JPH0960019 A JP H0960019A
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- ribs
- resin
- invert
- cylindrical body
- 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.)
- Pending
Links
Landscapes
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、地中に埋設されて
汚水や雨水等の集排水を行う補強リブ付き樹脂製マンホ
ールに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin manhole with a reinforcing rib which is buried in the ground to collect and discharge sewage and rainwater.
【０００２】[0002]
【従来の技術】従来、有人マンホールは、コンクリート
により製せられたものが広く使用されている。しかしな
がら、コンクリート製マンホールの場合には、重量的に
非常に重いため、運搬のための製品の積み降ろしが煩雑
であり、又、地中への埋設作業は重機作業が前提となり
施工性が悪いという不都合がある。2. Description of the Related Art Conventionally, manned manholes made of concrete have been widely used. However, in the case of concrete manholes, it is very heavy in weight, so loading and unloading of products for transportation is complicated, and burying work in the ground requires heavy machinery work, which is poor workability. There is inconvenience.
【０００３】このような点に鑑み、例えば、実公昭５５
─２７７３８号公報に記載の如く、汚水桝本体及び補助
桝と蓋からなる円筒状の合成樹脂製汚水桝が提案されて
いる。In view of such a point, for example, Japanese Utility Model Publication 55
As described in Japanese Patent No. 27738, there is proposed a cylindrical synthetic resin sewage tub comprising a sewage tub body, an auxiliary tub, and a lid.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の円筒状の合成樹脂製汚水桝の場合には、内部
での汚水桝に流出入管を接続する際の作業性が悪く、
又、重量的に軽くなり過ぎるために、地中湧水や地震発
生時の土壌流動化現象等により浮上し易いという問題点
がある。However, in the case of such a conventional cylindrical synthetic resin wastewater basin, the workability when connecting the inflow / outflow pipe to the wastewater basin inside is poor,
Further, since the weight becomes too light, there is a problem that it easily floats due to underground spring water or soil fluidization phenomenon when an earthquake occurs.
【０００５】更に、近頃のマンホールは、内部での流出
入管の接続等の作業性を考慮して、入口付近が円筒状に
形成され、底部が略楕円形状に形成された樹脂製マンホ
ールも提案されているが、略楕円形状に形成された部分
の長軸方向に沿う外壁が土圧等の影響を受けて変形する
おそれがあるという問題点がある。Further, in recent manholes, a resin manhole having a cylindrical shape near the inlet and a substantially elliptical bottom is proposed in consideration of workability such as connection of an inflow / outflow pipe inside. However, there is a problem that the outer wall of the portion formed in the substantially elliptical shape along the major axis direction may be deformed under the influence of earth pressure or the like.
【０００６】本発明は上記の如き従来の問題点を解消
し、軽量で施工性がよく、内部での作業性がよく、且
つ、外壁が変形しにくい補強リブ付き樹脂製マンホール
を提供することを目的としてなされたものである。The present invention solves the above-mentioned conventional problems, and provides a resin manhole with a reinforcing rib, which is lightweight, has good workability, has good workability inside, and has an outer wall that is not easily deformed. It was done for the purpose.
【０００７】[0007]
【課題を解決するための手段】本願の請求１の発明（以
下、本発明１という）は、略楕円筒状に形成された部分
を有し、その略楕円軸に形成された部分の長軸方向に沿
う外壁に補強リブが設けられている補強リブ付き樹脂製
マンホールである。The invention according to claim 1 of the present application (hereinafter referred to as the present invention 1) has a portion formed in a substantially elliptic cylinder shape, and the long axis of the portion formed in the substantially elliptical axis. It is a resin manhole with a reinforcing rib in which a reinforcing rib is provided on an outer wall along the direction.
【０００８】本願の請求２の発明（以下、本発明２とい
う）は、補強リブが上下に連なる線上に形成され、その
一連の補強リブ内を連通するように通水路が設けられて
いる本発明１に記載の補強リブ付き樹脂製マンホールで
ある。The invention of claim 2 of the present application (hereinafter referred to as the present invention 2) is the present invention in which the reinforcing ribs are formed on a line extending vertically and the water passage is provided so as to communicate with the series of reinforcing ribs. 1 is a resin manhole with a reinforcing rib according to 1.
【０００９】本発明１，２（以下、本発明という）にお
いて、樹脂製マンホールを形成する材料としては、ポリ
エチレン、ポリ塩化ビニル、ポリプロピレン、アクリロ
ニトリル─ブタジエン─スチレン共重合体等の合成樹脂
が好適に使用される。In the present inventions 1 and 2 (hereinafter referred to as the present invention), as the material for forming the resin manhole, synthetic resin such as polyethylene, polyvinyl chloride, polypropylene, acrylonitrile-butadiene-styrene copolymer and the like are suitable. used.
【００１０】本発明１において、補強リブとしては、縦
リブ、横リブ、縦リブと横リブからなるＨ状リブや格子
状リブ等が好ましいが、斜めリブや斜めリブからなる格
子リブであってもよい。本発明２において、補強リブと
しては、縦リブ、縦リブと横リブからなるＨ状リブや格
子状リブ等が挙げられるが、少なくとも上下に連なる線
上に形成されるリブが含まれている必要がある。In the first aspect of the present invention, the reinforcing ribs are preferably vertical ribs, horizontal ribs, H-shaped ribs composed of vertical ribs and horizontal ribs, grid-shaped ribs, etc., but diagonal ribs or grid ribs composed of diagonal ribs. Good. In the second aspect of the present invention, examples of the reinforcing ribs include vertical ribs, H-shaped ribs composed of vertical ribs and horizontal ribs, grid-shaped ribs, and the like, but it is necessary that at least ribs formed on a line extending vertically are included. is there.
【００１１】[0011]
【作用】本発明１の補強リブ付き樹脂製マンホールは、
樹脂製であるので軽量であって搬送性や施工性に優れて
おり、略楕円筒状に形成された部分を有するので、内部
での流出入管の接続等の作業性に優れており、且つ、略
楕円軸に形成された部分の長軸方向に沿う外壁に補強リ
ブが設けられていることにより、それらの外壁が補強リ
ブにより補強されるため、土圧等の影響を受けて変形す
るのが防止される。The resin manhole with the reinforcing rib of the present invention 1
Since it is made of resin, it is lightweight and excellent in transportability and workability, and since it has a portion formed in a substantially elliptic cylinder shape, it is excellent in workability such as connecting the inflow and outflow pipes inside, and, Since the reinforcing ribs are provided on the outer walls along the long axis direction of the portion formed on the substantially elliptical axis, the outer walls are reinforced by the reinforcing ribs, so that they are deformed under the influence of earth pressure or the like. To be prevented.
【００１２】本発明２の補強リブ付き樹脂製マンホール
は、更に、補強リブが上下に連なる線上に形成され、そ
の一連の補強リブ内を連通するように通水路が設けられ
ていることにより、地中湧水や地震発生時の土壌流動化
現象により発生する樹脂製マンホールの下部付近の地下
水を、流水路を通して樹脂製マンホールの上部方向に排
出することができるので、軽量な樹脂製マンホールであ
っても地中から浮上するのが防止される。The resin manhole with reinforcing ribs according to the second aspect of the present invention is further provided with the reinforcing ribs formed on the line connecting the upper and lower sides, and the water passage is provided so as to communicate with the series of the reinforcing ribs. It is a lightweight resin manhole because it is possible to discharge groundwater near the bottom of the resin manhole generated by medium spring water and soil fluidization phenomenon at the time of an earthquake toward the upper part of the resin manhole through a running channel. Is also prevented from rising from the ground.
【００１３】[0013]
【発明の実施の態様】以下、本発明を実施例により図面
を参照して説明する。図１は、本発明の補強リブ付き樹
脂製マンホール（以下、マンホールという）の一例を説
明する正面図である。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front view illustrating an example of a resin-made manhole with reinforcing ribs (hereinafter referred to as a manhole) of the present invention.
【００１４】この樹脂製マンホールは、ポリエチレンか
ら製せられ、マンホール本体１と、このマンホール本体
１に連結可能なインバート２と、インバート２の底部を
閉塞する蓋板３によって構成されている。This resin manhole is made of polyethylene, and comprises a manhole body 1, an invert 2 connectable to the manhole body 1, and a cover plate 3 for closing the bottom of the invert 2.
【００１５】マンホール本体１は、上部筒状体１１と中
間部筒状体１２と底部筒状体１３とからなる。入口付近
の上部筒状体１１は外径５００ｍｍ、肉厚３０ｍｍの円
筒状とされ、底部筒状体１３は短外径５００ｍｍ、長外
径１，０００ｍｍ、肉厚３０ｍｍの略楕円形状とされ、
中間部筒状体１２は、肉厚３０ｍｍで、上部筒状体１１
の円筒状から底部筒状体１３の略楕円形状に次第に変形
するような略楕円形状となされている。The manhole body 1 comprises an upper tubular body 11, an intermediate tubular body 12 and a bottom tubular body 13. The upper tubular body 11 near the inlet has a cylindrical shape with an outer diameter of 500 mm and a wall thickness of 30 mm, and the bottom tubular body 13 has a short outer diameter of 500 mm, a long outer diameter of 1,000 mm, and a substantially oval shape with a wall thickness of 30 mm.
The intermediate tubular body 12 has a wall thickness of 30 mm and has an upper tubular body 11.
The cylindrical shape is a substantially elliptical shape that is gradually deformed to a substantially elliptical shape of the bottom tubular body 13.
【００１６】上部筒状体１１の上端には、特に図示しな
いが入口用蓋が開閉自在に取着されており、下端縁の外
周囲には外方に突出する幅６０ｍｍのフランジ部１１１
が設けられている。中間筒状体１２の上端縁及び下端縁
の外周囲にはそれぞれ幅６０ｍｍのフランジ部１２１，
１２２が設けられている。又、底部筒状体１３の上端縁
及び下端縁の外周囲にはそれぞれ幅６０ｍｍのフランジ
部１３１，１３２が設けられている。An inlet lid (not shown) is attached to the upper end of the upper tubular body 11 so as to be openable and closable, and a flange portion 111 having a width of 60 mm protruding outward is provided on the outer periphery of the lower edge.
Is provided. Around the outer periphery of the upper edge and the lower edge of the intermediate tubular body 12, a flange portion 121 having a width of 60 mm,
122 is provided. Further, flange portions 131 and 132 having a width of 60 mm are provided on the outer peripheries of the upper and lower edges of the bottom tubular body 13, respectively.
【００１７】そして、底部筒状体１３上に適宜パッキン
グを介して中間部筒状体１２が積み重ねられ、それらの
フランジ１３１，１２２間がボルトとナット等からなる
締結具６により連結され、その中間部筒状体１２上に適
宜バッキングを介して上部筒状体１１が積み重ねられ、
それらのフランジ１２１，１１１間が締結具６により連
結され、マンホール本体１が形成されている。Then, the intermediate tubular body 12 is stacked on the bottom tubular body 13 through appropriate packing, and the flanges 131 and 122 are connected by a fastener 6 composed of bolts and nuts, and the middle thereof. The upper tubular body 11 is stacked on the partial tubular body 12 via a backing as appropriate,
The flanges 121 and 111 are connected by the fastener 6 to form the manhole body 1.
【００１８】インバート２は、マンホール本体１に連結
可能な略楕円形状とされ、流入管４と流出管５とが接続
できるようにされており、上端縁及び下端縁の外周囲に
はそれぞれフランジ部２１，２２が設けられている。The invert 2 has a substantially elliptical shape that can be connected to the manhole body 1 so that the inflow pipe 4 and the outflow pipe 5 can be connected to each other. 21 and 22 are provided.
【００１９】蓋体３には外周囲にフランジ部３１が設け
られている。インバート２の下端に適宜パッキングを介
して蓋体３が当接され、フランジ部２２，３１間が締結
具６により連結されている。そのインバート３上に、適
宜パッキングを介してマンホール本体２が積み重ねら
れ、フランジ部１３２，２１間が締結具６により連結さ
れて、樹脂製マンホールが形成されている。A flange portion 31 is provided on the outer periphery of the lid body 3. The lid 3 is brought into contact with the lower end of the invert 2 via packing as appropriate, and the flanges 22 and 31 are connected by the fastener 6. The manhole main body 2 is stacked on the invert 3 via packing as appropriate, and the flange portions 132 and 21 are connected by the fastener 6 to form a resin manhole.
【００２０】マンホール本体１の中間部筒状体１２の楕
円軸の長軸方向に沿う外壁には、幅４０ｍｍ、高さ３０
ｍｍの２本の縦リブ１２３ａ，１２３ｂと両者間を結ぶ
横リブ１２３ｃからなるＨ状リブ１２３が設けられてい
る。マンホール本体１の底部筒状体１３の楕円軸の長軸
方向に沿う外壁には、幅４０ｍｍ、高さ３０ｍｍの３本
の縦リブ１３３ａ，１３３ｂ，１３３ｃとそれらの間を
結ぶ横リブ１３３ｄ，１３３ｅからなる格子状リブ１３
３が設けられている。インバート２の楕円軸の長軸方向
に沿う外壁には、幅４０ｍｍ、高さ３０ｍｍの３本の縦
リブ２３ａ，２３ｂ，２３ｃとそれらの間を結ぶ横リブ
２３ｄ，２３ｅからなる格子状リブ２３が設けられてい
る。A width of 40 mm and a height of 30 are formed on the outer wall of the intermediate tubular body 12 of the manhole body 1 along the major axis of the elliptical axis.
An H-shaped rib 123 including two mm vertical ribs 123a and 123b and a horizontal rib 123c connecting the two ribs is provided. On the outer wall of the bottom cylindrical body 13 of the manhole body 1 along the major axis direction of the elliptic axis, three vertical ribs 133a, 133b, 133c having a width of 40 mm and a height of 30 mm and lateral ribs 133d, 133e connecting them are formed. Ribs 13 made of
3 are provided. On the outer wall of the invert 2 along the major axis of the elliptic axis, there are grid-like ribs 23 composed of three vertical ribs 23a, 23b, 23c having a width of 40 mm and a height of 30 mm and lateral ribs 23d, 23e connecting them. It is provided.
【００２１】図２は、本発明のマンホールの別の例を説
明する正面図である。このマンホールは、マンホール本
体７と、このマンホール本体７に連結可能なインバート
８と、インバート８の底部が載置される台座９によって
構成されている。FIG. 2 is a front view for explaining another example of the manhole of the present invention. This manhole is composed of a manhole body 7, an invert 8 that can be connected to the manhole body 7, and a pedestal 9 on which the bottom of the invert 8 is placed.
【００２２】マンホール本体７は、上部筒状体７１と中
間部筒状体７２と底部筒状体７３とからなる。入口付近
の上部筒状体７１は外径５００ｍｍ、肉厚３０ｍｍの円
筒状とされ、底部筒状体７３は短外径５００ｍｍ、長外
径１，０００ｍｍ、肉厚３０ｍｍの略楕円形状とされ、
中間部筒状体７２は、肉厚３０ｍｍで、上部筒状体７１
の円筒状から底部筒状体７３の略楕円形状に次第に変形
するような略楕円形状となされている。The manhole body 7 is composed of an upper tubular body 71, an intermediate tubular body 72 and a bottom tubular body 73. The upper cylindrical body 71 near the inlet has a cylindrical shape with an outer diameter of 500 mm and a wall thickness of 30 mm, and the bottom cylindrical body 73 has a short outer diameter of 500 mm, a long outer diameter of 1,000 mm, and a substantially oval shape with a wall thickness of 30 mm.
The intermediate tubular body 72 has a wall thickness of 30 mm and has an upper tubular body 71.
It is formed into a substantially elliptical shape that gradually deforms from the cylindrical shape to the substantially elliptical shape of the bottom tubular body 73.
【００２３】上部筒状体７１の上端には、特に図示しな
いが入口用蓋が開閉自在に取着されており、下端縁の外
周囲には外方に突出する幅６０ｍｍのフランジ部７１１
が設けられている。中間筒状体７２の上端縁及び下端縁
の外周囲にはそれぞ幅６０ｍｍのれフランジ部７２１，
７２２が設けられている。底部筒状体７３の上端縁及び
下端縁の外周囲にはそれぞれ幅６０ｍｍのフランジ部７
３１，７３２が設けられている。An entrance lid (not shown) is openably and closably attached to the upper end of the upper cylindrical body 71, and a flange portion 711 having a width of 60 mm protruding outward is provided on the outer periphery of the lower edge.
Is provided. A flange portion 721 having a width of 60 mm is formed around the outer periphery of the upper end edge and the lower end edge of the intermediate tubular body 72.
722 is provided. A flange portion 7 having a width of 60 mm is provided around the upper and lower edges of the bottom tubular body 73.
31,732 are provided.
【００２４】そして、底部筒状体７３上に適宜パッキン
グ（下記の通水孔に対応する部分に通水孔があけられた
もの）を介して中間部筒状体７２が積み重ねられ、それ
らのフランジ７３１，７２２間がボルトナット６により
連結され、その中間部筒状体７２上に適宜パッキング
（下記の通水孔に対応する部分に通水孔があけられたも
の）を介して上部筒状体７１が積み重ねられ、それらの
フランジ７２１，７１１間が締結具６により連結され、
マンホール本体７が形成されている。Then, the intermediate tubular body 72 is stacked on the bottom tubular body 73 through appropriate packing (the one in which a water passage hole is formed at a portion corresponding to the following water passage hole), and the flanges thereof are stacked. 731 and 722 are connected to each other by a bolt nut 6, and an upper cylindrical body is appropriately interposed on the intermediate cylindrical body 72 through packing (a water passage hole is formed at a portion corresponding to the following water passage hole). 71 are stacked, and the flanges 721 and 711 are connected by the fastener 6,
A manhole body 7 is formed.
【００２５】インバート８は、マンホール本体７に連結
可能な略楕円形状とされ、流入管４と流出管５とが接続
できるされており、上端縁及び下端縁の外周囲にはそれ
ぞれフランジ部８１，８２が設けられている。The invert 8 has a substantially elliptical shape that can be connected to the manhole body 7, and can connect the inflow pipe 4 and the outflow pipe 5, and flange portions 81, 82 is provided.
【００２６】台座８は、下方が開放された蓋状とされ、
上端の外周囲にフランジ部８１が設けられている。イン
バート８の下端に適宜パッキング（下記の通水孔に対応
する部分に通水孔があけられたもの）蓋体９が当接さ
れ、フランジ部８２，９１間が締結具６により連結され
ている。そのインバート８上に、適宜パッキング（下記
の通水孔に対応する部分に通水孔があけられたもの）マ
ンホール本体７が積み重ねられ、フランジ部７３２，８
１間が締結具６により連結されて、樹脂製マンホールが
形成されている。The pedestal 8 is in the form of a lid whose lower part is open,
A flange portion 81 is provided around the outer periphery of the upper end. The lower end of the invert 8 is appropriately packed (a water hole is formed at a portion corresponding to the water hole described below) with a lid 9, and the flanges 82 and 91 are connected by a fastener 6. . The manhole main body 7 is stacked on the invert 8 as appropriate (the water hole is formed in a portion corresponding to the water hole described below), and the flange portions 732 and 8 are formed.
The ones are connected by fasteners 6 to form a resin manhole.
【００２７】マンホール本体７の底部筒状体７３の楕円
軸の長軸方向に沿う外壁には、幅４０ｍｍ、肉厚３５ｍ
ｍの３本の縦リブ７３３ａ，７３３ｂ，７３３ｃとそれ
らの間を結ぶ横リブ７３３ｄ，７３３ｅからなる格子状
リブ７３３が設けられている。The outer wall of the bottom cylindrical body 73 of the manhole main body 7 along the major axis of the elliptical axis has a width of 40 mm and a wall thickness of 35 m.
A grid-like rib 733 is provided which is composed of three vertical ribs 733a, 733b, 733c of m and horizontal ribs 733d, 733e connecting them.
【００２８】図３にも図示する如く、２本の縦リブ７３
３ａ，７３３ｂ及びフランジ部７３１，７３２を連通す
るように通水孔７３４ａ，７３４ｂが穿設されている。
又、もう１本の縦リブ７３３ｃ及びフランジ部７３２を
連通するように通水孔７３４ｃが穿設され、縦リブ７３
３ｃの上部には、通水孔７３４ｃを開放する開口部７３
５が設けられている。As shown in FIG. 3, two vertical ribs 73 are provided.
Water passage holes 734a and 734b are formed so as to communicate the 3a and 733b and the flange portions 731 and 732.
Further, a water passage hole 734c is formed so as to communicate the other vertical rib 733c and the flange portion 732.
An opening 73 for opening the water passage hole 734c is provided on the upper portion of 3c.
5 are provided.
【００２９】マンホール本体７の中間部筒状体７２の楕
円軸の長軸方向に沿う外壁には、幅４０ｍｍ、肉厚３５
ｍｍの２本の縦リブ７２３ａ，７２３ｂと両者間を結ぶ
横リブ７２３ｃからなるＨ状リブ１２３が、底部筒状体
７３に設けられた２本の縦リブ７３３ａ，７３３ｂに対
応する部位に設けられている。２本の縦リブ７２３ａ，
７２３ｂ及びフランジ部７２２を連通するように通水孔
７２４ａ，７２４ｂが穿設され、縦リブ７２３ａ，７２
３ｂの上部には、通水孔７２４ａ，７２４ｂを開放する
開口部７２５ａ，７２５ｂが設けられている。A width of 40 mm and a wall thickness of 35 are formed on the outer wall of the intermediate cylindrical body 72 of the manhole body 7 along the major axis of the elliptical axis.
An H-shaped rib 123, which is composed of two vertical ribs 723a and 723b of mm and a horizontal rib 723c connecting the two, is provided at a portion corresponding to the two vertical ribs 733a and 733b provided on the bottom tubular body 73. ing. Two vertical ribs 723a,
Water passage holes 724a and 724b are provided so as to communicate the 723b and the flange portion 722, and the vertical ribs 723a and 723 are formed.
Openings 725a and 725b for opening the water passage holes 724a and 724b are provided on the upper portion of 3b.
【００３０】インバート８の楕円軸の長軸方向に沿う外
壁には、幅４０ｍｍ、肉厚３５ｍｍの３本の縦リブ８３
ａ，８３ｂ，８３ｃとそれらの間を結ぶ横リブ８３ｄ，
８３ｅからなる格子状リブ８３が設けられている。３本
の縦リブ８３ａ，８３ｂ，８３ｃは、底部筒状体７３に
設けられた３本の縦リブ７３３ａ，７３３ｂ，７３３ｃ
に対応する部位に設けられている。３本の縦リブ８３
ａ，８３ｂ，８３ｃ及びフランジ部８１，８１を連通す
るように通水孔８４ａ，８４ｂ，８４ｃが穿設されてい
る。On the outer wall of the invert 8 along the major axis of the elliptic axis, three vertical ribs 83 having a width of 40 mm and a wall thickness of 35 mm are provided.
a, 83b, 83c and lateral ribs 83d connecting them,
A grid-shaped rib 83 made of 83e is provided. The three vertical ribs 83a, 83b, 83c are the three vertical ribs 733a, 733b, 733c provided on the bottom tubular body 73.
It is provided in the part corresponding to. Three vertical ribs 83
Water passage holes 84a, 84b, 84c are formed so as to connect the a, 83b, 83c and the flange portions 81, 81.
【００３１】このようにして、この樹脂製マンホールに
おいては、マンホール本体７の中間部筒状体７２の２本
の縦リブ７２３ａ，７２３ｂと、マンホール本体７の底
部筒状体７３の２本の縦リブ７３３ａ，７３３ｂと、イ
ンバート９の２本の縦リブ７３３ａ，７３３ｂとが、上
下に連なる線上に形成され、それらに穿設された通水孔
７２４ａ，７３４ａ，８４ａが連通され、インバート９
のフランジ部８２の下方の開口部から、マンホール本体
７の中間部筒状体７２の上部に設けられた開口部７２４
ａ，７２４ｂに連通する流水路が形成されている。Thus, in this resin manhole, the two vertical ribs 723a and 723b of the intermediate cylindrical body 72 of the manhole main body 7 and the two vertical ribs 723a and 723b of the bottom cylindrical body 73 of the manhole main body 7 are provided. The ribs 733a and 733b and the two vertical ribs 733a and 733b of the invert 9 are formed on a line that is vertically connected, and the water passage holes 724a, 734a, and 84a that are formed in these ribs are connected, and the invert 9
From the opening below the flange portion 82 of the manhole main body 7 to the opening 724 provided in the upper portion of the intermediate tubular body 72 of the manhole body 7.
A flowing water channel communicating with a and 724b is formed.
【００３２】又、マンホール本体７の底部筒状体７３の
もう１本の縦リブ７３３ｃと、インバート９のもう１本
の縦リブ８３ｃとが、上下に連なる線上に形成され、そ
れらに穿設された通水孔７３４ｃ，８３ｃが連通され、
インバート９のフランジ部８２の下方の開口部から、マ
ンホール本体７の底部筒状体７３の上部に設けられた開
口部７３５に連通する流水路が形成されている。Further, another vertical rib 733c of the bottom cylindrical body 73 of the manhole main body 7 and another vertical rib 83c of the invert 9 are formed on a line extending vertically and are bored in them. Water passage holes 734c and 83c are communicated with each other,
A running water channel is formed from an opening below the flange portion 82 of the invert 9 to an opening 735 provided at an upper portion of the bottom tubular body 73 of the manhole body 7.
【００３３】尚、通水孔８４ａ，８４ｂ，８４ｃ，７２
４ａ，７２４ｂ．７３４ａ，７３４ｂ，７３４ｃの形成
は、樹脂製マンホールの成形時に、金属製のパイプをイ
ンサートすることにより、容易に形成することができ
る。Water passage holes 84a, 84b, 84c, 72
4a, 724b. The formation of 734a, 734b, and 734c can be easily performed by inserting a metal pipe at the time of molding a resin manhole.
【００３４】又、開口部７２５ａ，７２５ｂ，７３５に
は、土砂等が入らないようにするために、布等のフィル
ターを取着するのが好ましい。Further, it is preferable to attach a filter such as a cloth to the openings 725a, 725b and 735 in order to prevent dirt and the like from entering.
【００３５】[0035]
【発明の効果】本発明１の補強リブ付き樹脂製マンホー
ルは、上記の如き構成とされているので、施工性及び内
部での作業性に優れており、且つ、土圧等の影響を受け
て変形するのが防止される。EFFECT OF THE INVENTION Since the resin manhole with the reinforcing ribs of the present invention 1 is constructed as described above, it is excellent in workability and workability inside, and is affected by earth pressure and the like. Deformation is prevented.
【００３６】本発明２の補強リブ付き樹脂製マンホール
は、上記の如き構成とされているので、更に、地中から
浮上するのが防止される。Since the resin manhole with the reinforcing ribs according to the second aspect of the present invention is constructed as described above, it is further prevented from floating from the ground.
【図１】本発明の補強リブ付き樹脂製マンホールの一例
を示す正面図である。FIG. 1 is a front view showing an example of a resin manhole with a reinforcing rib of the present invention.
【図２】本発明の補強リブ付き樹脂製マンホールの別の
例を示す正面図である。FIG. 2 is a front view showing another example of a resin manhole with a reinforcing rib of the present invention.
【図３】図２に示す補強リブ付き樹脂製マンホールのマ
ンホール本体の中間部筒状体を示す説明図であり、
（ａ）は平面図、（ｂ）は正面図である。FIG. 3 is an explanatory view showing an intermediate tubular body of the manhole body of the resin manhole with the reinforcing ribs shown in FIG.
(A) is a plan view and (b) is a front view.
１，７ マンホール本体 ２，８ インバート １２３，７２３ Ｈ状リブ ２３，７３，１３３，７３３ 格子状リブ ８４ａ，８４ｂ，８４ｃ，７２４ａ，７２４ｂ．７３４
ａ，７３４ｂ，７３４ｃ 通水孔1,7 Manhole body 2,8 Invert 123,723 H-shaped rib 23,73,133,733 Lattice-shaped rib 84a, 84b, 84c, 724a, 724b. 734
a, 734b, 734c Water passage hole
Claims (2)
の略楕円軸に形成された部分の長軸方向に沿う外壁に補
強リブが設けられていることを特徴とする補強リブ付き
樹脂製マンホール。1. A reinforcing rib having a portion formed in a substantially elliptic cylinder shape, and a reinforcing rib being provided on an outer wall of the portion formed on the substantially elliptical axis along the major axis direction. Resin manhole.
れ、その一連の補強リブ内を連通するように通水路が設
けられていることを特徴とする請求項１に記載の補強リ
ブ付き樹脂製マンホール。2. The resin with reinforcing ribs according to claim 1, wherein the reinforcing ribs are formed on a line extending vertically, and a water passage is provided so as to communicate with a series of the reinforcing ribs. manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7208704A JPH0960019A (en) | 1995-08-16 | 1995-08-16 | Manhole made from resin with reinforcing rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7208704A JPH0960019A (en) | 1995-08-16 | 1995-08-16 | Manhole made from resin with reinforcing rib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0960019A true JPH0960019A (en) | 1997-03-04 |
Family
ID=16560704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7208704A Pending JPH0960019A (en) | 1995-08-16 | 1995-08-16 | Manhole made from resin with reinforcing rib |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0960019A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299626A (en) * | 2005-04-20 | 2006-11-02 | Hanex Co Ltd | Floating prevention manhole |
| JP2018012966A (en) * | 2016-07-20 | 2018-01-25 | 株式会社ダイクレ | Synthetic resin manhole |
| KR102313811B1 (en) * | 2021-08-19 | 2021-10-18 | 대한강관 주식회사 | Corrugated steel plate metal valve chamber with assembly module that is easy to transport and assemble |
-
1995
- 1995-08-16 JP JP7208704A patent/JPH0960019A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299626A (en) * | 2005-04-20 | 2006-11-02 | Hanex Co Ltd | Floating prevention manhole |
| JP4585366B2 (en) * | 2005-04-20 | 2010-11-24 | 株式会社ハネックス | Anti-levitation manhole |
| JP2018012966A (en) * | 2016-07-20 | 2018-01-25 | 株式会社ダイクレ | Synthetic resin manhole |
| KR102313811B1 (en) * | 2021-08-19 | 2021-10-18 | 대한강관 주식회사 | Corrugated steel plate metal valve chamber with assembly module that is easy to transport and assemble |
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