JPH0369736A - Member pressured by earth pressure - Google Patents
Member pressured by earth pressureInfo
- Publication number
- JPH0369736A JPH0369736A JP20441689A JP20441689A JPH0369736A JP H0369736 A JPH0369736 A JP H0369736A JP 20441689 A JP20441689 A JP 20441689A JP 20441689 A JP20441689 A JP 20441689A JP H0369736 A JPH0369736 A JP H0369736A
- Authority
- JP
- Japan
- Prior art keywords
- earth pressure
- foamed resin
- resin member
- ditch
- hole
- 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.)
- Granted
Links
- 229920005989 resin Polymers 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 11
- 238000000465 moulding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 229920006328 Styrofoam Polymers 0.000 description 5
- 239000008261 styrofoam Substances 0.000 description 5
- 238000005187 foaming Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000006424 Flood reaction Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 229920006248 expandable polystyrene Polymers 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000005413 snowmelt Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Retaining Walls (AREA)
- Sewage (AREA)
- Revetment (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、水路構成用部材（組立補講、Ｕ字消ブロック
、ボックスカルバート等〉、擁壁部材、護岸部材等のよ
うにコンクリート、合成樹脂、金属等により形成され、
地盤に敷設した後はその側方から土圧を受ける各種被土
圧部材に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to concrete, synthetic resin, etc. , made of metal etc.
This relates to various earth pressure bearing members that receive earth pressure from the sides after being installed in the ground.
［従来の技術］
上に挙げた各種被土圧部材は、測方からの土圧に耐え得
る十分な強度に設計されてはいるが、寒冷地において施
工される被土圧部材については、耐凍圧性をもたせるた
めに特別な工法を行う必要があった。[Prior art] The various earth pressure bearing members listed above are designed to have sufficient strength to withstand the earth pressure from the measurement method, but earth pressure bearing members constructed in cold regions are not designed to be frost resistant. It was necessary to use a special construction method to make it resilient.
例えば、第５図に示す排水路５１は、地盤５２に講５３
を掘削し、その底部に小石、砂利等の敷設又はコンクリ
ートの打設により基礎５４を設け、該基礎５４の上に複
数個のコンクリート製のＵ字溝ブロック５５を載置し、
該Ｕ字溝ブロック５５を直列に連結して形成している。For example, the drainage channel 51 shown in FIG.
is excavated, a foundation 54 is provided at the bottom by laying pebbles, gravel, etc. or by pouring concrete, and a plurality of concrete U-shaped groove blocks 55 are placed on the foundation 54,
The U-shaped groove blocks 55 are connected in series.
しかし、前記地盤５２が凍上して土圧が著しく増加した
ときには、前記Ｕ字溝ブロック５５が該土圧を直接受け
て破損することがあった。However, when the ground 52 is frozen and the earth pressure increases significantly, the U-shaped groove block 55 may be damaged by directly receiving the earth pressure.
前記破損を防ぐため、Ｕ字溝ブロック５５の外側面（地
盤側の面をいう。以下、同じ。）と地盤５２との間に砂
利層を設けて土庄を緩和する工法がよく行われるが、工
事の手間が大変であった。In order to prevent the above-mentioned damage, a construction method is often used in which a gravel layer is provided between the outer surface of the U-shaped groove block 55 (referring to the surface on the ground side; the same applies hereinafter) and the ground 52 to alleviate the slope. The construction work was very time consuming.
そこで、最近ではＵ字溝ブロック５５の外側面と地盤５
２との間に、第５図に鎖線で示す発泡スチロールブロッ
ク５６を施工現場で介装し、該発泡スチロールブロック
５６の土圧緩和作用と保温作用とにより前記破損事故を
防ぐ工法が考えられている。Therefore, recently, the outer surface of the U-shaped groove block 55 and the ground 5
A construction method is being considered in which a Styrofoam block 56 shown by a chain line in FIG. 5 is interposed at the construction site between the Styrofoam block 56 and the Styrofoam block 56 to reduce earth pressure and retain heat to prevent the damage accident.
［発明が解決しようとする課題］
しかし、上記のように発泡スチロールブロック５６を介
装した場合でも、Ｕ字溝ブロック５５の外側面周辺に水
が滞留することは抑えられないため、この水が地盤５２
の凍結時に吸引されて凍上現象を起こすことに変わりは
ながった。また、−般に通水性に乏しい発泡スチロール
ブロック５６を介装すると、がえってＵ字溝ブロック５
５の溝内への排水性が損なわれるという問題があった。[Problems to be Solved by the Invention] However, even when the Styrofoam blocks 56 are interposed as described above, it is not possible to prevent water from accumulating around the outer surface of the U-shaped groove block 55. 52
When frozen, it is still sucked in and causes frost heave phenomenon. Moreover, if the Styrofoam block 56, which generally has poor water permeability, is inserted, the U-shaped groove block 5
There was a problem in that drainage performance into the groove No. 5 was impaired.
さらに、上記Ｕ字溝ブロック５５と発泡スチロールブロ
ック５６とは別体であったため、これらの運搬や工事に
手間がかがっていた。また、従来のコンクリート製又は
合成樹脂製の被土圧部材は、運搬時及び施工時に外部か
ら受ける様々な衝撃力により、表面の一部が欠損しやす
いという問題もあった。Furthermore, since the U-shaped groove block 55 and the foamed polystyrene block 56 were separate bodies, it took time and effort to transport and construct them. Furthermore, conventional earth pressure bearing members made of concrete or synthetic resin have a problem in that part of the surface tends to be damaged due to various impact forces received from the outside during transportation and construction.
本発明の目的は、上記問題を解決し、単に凍上時の土庄
による破損を防ぐことができるだけでなく、周辺地盤へ
の水の滞留を防いで凍上現象を抑えることができ、運搬
及び施工が容易でその際の損傷を防ぐこともできる新規
な被土圧部材を提供することにある。The purpose of the present invention is to solve the above-mentioned problems and not only prevent damage caused by soil erosion during frost heaving, but also prevent water from accumulating in the surrounding ground, suppress frost heaving, and facilitate transportation and construction. It is an object of the present invention to provide a new earth pressure member that can prevent damage caused by this.
［課題を解決するための手段］
上記目的を達成するために、請求項１の被土圧部材にお
いては、被土圧部材の地盤側の面に発泡樹脂部材を接合
して一体化した被土圧部材であって、前記被土圧部材に
排水孔を貫設し、前記発泡樹脂部材に前記排水孔と連通
ずる貫通孔を貫設するという手段をとった。[Means for Solving the Problems] In order to achieve the above object, the earth pressure member of claim 1 has an earth pressure member that is integrated by bonding a foamed resin member to the ground side surface of the earth pressure member. In the pressure member, a drainage hole is provided through the earth pressure member, and a through hole communicating with the drainage hole is provided through the foamed resin member.
また、請求項２の被土圧部材においては、被土圧部材の
地盤側の面に発泡樹脂部材を接合して一体化した被土圧
部材であって、前記被土圧部材又は発泡樹脂部材に流水
溝を凹設し、前記発泡樹脂部材に前記流水溝と連通ずる
貫通孔を貫設するという手段をとった。Further, in the earth pressure member according to claim 2, the earth pressure member is integrated by bonding a foamed resin member to the ground side surface of the earth pressure member, the earth pressure member or the foamed resin member. A water groove was recessed in the foamed resin member, and a through hole communicating with the water groove was formed in the foamed resin member.
また、請求項３の被土圧部材においては、被土圧部材の
地盤側の面に発泡樹脂部材を接合して一体化した被土圧
部材であって、前記被土圧部材に排水孔を貫設し、前記
被土圧部材又は発泡樹脂部材に流水溝を凹設し、前記発
泡樹脂部材に前記排水孔と連通ずる貫通孔並びに前記流
水溝と連通する貫通孔を貫設するという手段をとった。Further, in the earth pressure member according to claim 3, the earth pressure member is integrated by bonding a foamed resin member to the ground side surface of the earth pressure member, and the earth pressure member has a drainage hole. a water groove is formed in the earth pressure member or the foamed resin member, and a through hole that communicates with the drainage hole and a through hole that communicates with the water flow groove are formed in the foamed resin member. I took it.
［作用］
請求項■の被土圧部材によれば、該被土圧部材の周辺地
盤に雨水や雪解水が浸水してきても、この雨水等は、発
泡樹脂部材で邪魔されることなくその貫通孔から被土圧
部材の排水孔を経てスムτズに排水される（排水性の確
保〉。[Function] According to the earth pressure member of claim (2), even if rainwater or melted snow floods the ground around the earth pressure member, this rainwater, etc. will be discharged without being hindered by the foamed resin member. Water is drained smoothly from the through hole through the drainage hole of the earth pressure member (ensuring drainage performance).
また、請求項２の被土圧部材によれば、前記雨水等は、
発泡樹脂部材の貫通孔がら被土圧部材の流水溝を経て地
下に速かに流れてゆく（地下浸水性の向上〉。Moreover, according to the earth pressure member of claim 2, the rainwater etc.
The water quickly flows underground through the through holes in the foamed resin member and through the drainage grooves in the earth pressure member (improving underground water permeability).
また、請求項３の被土圧部材によれば、前記排水性の確
保と地下浸水性の向上とが同時に図られる。Moreover, according to the earth pressure member of claim 3, the drainage performance and the underground water permeability are simultaneously improved.
従って、上記いずれの項の被土圧部材によっても、地盤
の凍結時に吸引される水分量を減少させ、凍上現象を抑
えることができる。また、いずれの被土圧部材も、施工
後は発泡樹脂部材が地盤の凍上圧緩和作用及び保温作用
を発揮する。また、運搬時及び施工時には、被土圧部材
と発泡樹脂部材とを一体物として取り扱うことができる
とともに、発泡樹脂部材が衝撃力緩和作用を発揮する。Therefore, the earth pressure member described in any of the above items can reduce the amount of moisture sucked in when the ground freezes, and suppress the frost heaving phenomenon. In addition, in any of the earth pressure bearing members, after construction, the foamed resin member exerts a function of alleviating frost heaving pressure on the ground and a heat retaining function. Further, during transportation and construction, the earth pressure member and the foamed resin member can be handled as an integrated body, and the foamed resin member exhibits an impact force-reducing effect.
［実施例］
以下、本発明を排水路を構成するＵ字溝ブロックに具体
化した実施例について、第１図〜第３図を参照して説明
する。[Example] Hereinafter, an example in which the present invention is embodied in a U-shaped groove block constituting a drainage channel will be described with reference to FIGS. 1 to 3.
第２図に示す排水路１は、地盤２に講３を掘削し、その
底部に小石、砂利等を敷設したりコンクリートを打設し
たりして基礎４を設け、内外側面に発泡樹脂部材６を一
体化したコンクリート製のＵ字溝ブロック５を前記基礎
４の上に複数個載置し、該Ｕ字溝ブロック５を直列に連
結して形成したものである。The drainage channel 1 shown in Fig. 2 is constructed by excavating a trench 3 in the ground 2, laying pebbles, gravel, etc. or pouring concrete at the bottom to provide a foundation 4, and foamed resin members 6 on the inner and outer sides. A plurality of U-shaped groove blocks 5 made of concrete are placed on the foundation 4, and the U-shaped groove blocks 5 are connected in series.
前記Ｕ字溝ブロック５は、Ｕ字状にプレキャストされた
コンクリートブロックであって、その両側壁には例えば
２個ずつの排水孔７が貫設され、各排水孔７には網状の
フィルタ８が取り付けられている。この排水孔７の数や
位置は、任意に変更することができる。また、Ｕ字溝ブ
ロック５の内外側面には、例えば縦に６本、横に１本の
流水溝９が凹設されている。この流水溝９は該講に導か
れる水を地下に流すものであって、上下方向に設けるこ
とを原則とするが、斜めに設けることも、不連続の溝と
することもでき、その数や位置は任意に変更することが
できる。The U-shaped groove block 5 is a concrete block precast in a U-shape, and has, for example, two drainage holes 7 penetrating each side wall thereof, and each drainage hole 7 is provided with a mesh filter 8. installed. The number and position of these drainage holes 7 can be changed arbitrarily. In addition, on the inner and outer surfaces of the U-shaped groove block 5, for example, six vertical and one horizontal water grooves 9 are recessed. This drainage groove 9 is for flowing water into the ground underground, and is generally installed vertically, but it can also be installed diagonally or discontinuously, depending on the number of grooves. The position can be changed arbitrarily.
前記発泡樹脂部材６は、発泡樹脂成形又は発泡樹脂粒状
体の集合成形により形戒された板状ブロックであって、
その合成樹脂材料、発泡状態及び発泡率は特に限定され
ないが、吸水性を無くし保温作用も高めるという点から
は独立発泡が好ましい。本実施例では、独立発泡の発泡
スチロール製の発泡樹脂部材６を使用している。The foamed resin member 6 is a plate-shaped block shaped by foamed resin molding or aggregate molding of foamed resin granules,
The synthetic resin material, foaming state, and foaming rate are not particularly limited, but closed foaming is preferred from the standpoint of eliminating water absorption and enhancing heat retention. In this embodiment, a foamed resin member 6 made of closed-cell foamed polystyrene is used.
この発泡樹脂部材６には前記排水孔７に連通ずる２個の
貫通孔１０と、前記流水溝９に連通ずる上下２列・合計
１２個の貫通孔１１とが形成されている。これらの貫通
孔１０．１１は、第３図に示すような枠１２付きの基板
１３の上に前記貫通孔１０．１１に対応する複数個の成
形用突起１４を立設してなる成形具１５を使用し、加熱
した該成形具１５に上記発泡樹脂部材６を押し付け、成
形用突起１４で発泡樹脂部材６を局部的に熱融解するこ
とにより、容易に貫通形成することができる。このとき
、成形具１５に接触した発泡樹脂部材６の表面と貫通孔
１０．１１の内面は、その表面部の発泡樹脂材料が熱収
縮して硬化することによる強化が期待できる。This foamed resin member 6 is formed with two through holes 10 communicating with the drainage hole 7 and two through holes 11 in two rows, upper and lower, communicating with the water flow groove 9, for a total of 12 through holes 11. These through holes 10.11 are formed by a molding tool 15 formed by erecting a plurality of molding protrusions 14 corresponding to the through holes 10.11 on a substrate 13 with a frame 12 as shown in FIG. By pressing the foamed resin member 6 against the heated molding tool 15 and locally melting the foamed resin member 6 with the molding protrusion 14, it is possible to easily form a penetration. At this time, the surface of the foamed resin member 6 in contact with the molding tool 15 and the inner surface of the through hole 10.11 can be expected to be strengthened by the foamed resin material on the surface being thermally shrunk and hardened.
上記発泡樹脂部材６は、前記Ｕ字溝ブロック５の内外側
面に対し接着剤を用いて全面的に又は部分的に接合する
ことにより強固に一体化されており、運搬時及び施工時
に容易に剥れないようになっている。The foamed resin member 6 is firmly integrated by being fully or partially bonded to the inner and outer surfaces of the U-shaped groove block 5 using an adhesive, and can be easily peeled off during transportation and construction. It is designed so that it will not be lost.
なお、上記発泡樹脂部材６の表面にセメントペースト、
モルタル、発泡セメントペースト、気泡モルタル等の耐
火性材料を塗布して耐火層を形戒することにより、排水
路■周辺の草木を野焼した場合でも発泡樹脂部材６の焼
損を防止することができるとともに、該発泡樹脂部材６
の経年劣化を軽減することができる。この耐火層の形成
は、Ｕ字溝ブロック５に対する発泡樹脂部材６の接合前
に行っても接合後に行ってもよい。Note that cement paste is applied to the surface of the foamed resin member 6.
By applying a fire-resistant material such as mortar, foamed cement paste, or cellular mortar to form a fire-resistant layer, it is possible to prevent the foamed resin member 6 from being burnt out even if the vegetation around the drainage channel is burnt. At the same time, the foamed resin member 6
can reduce deterioration over time. This fireproof layer may be formed before or after bonding the foamed resin member 6 to the U-shaped groove block 5.
以上のように構成されたＵ字溝ブロック５によれば、排
水路１周辺の地盤２に雨水や雪解水が浸水してきても、
この雨水等は、発泡樹脂部材６で邪魔されることなくそ
の貫通孔１０からＵ字溝ブロック５の排水孔７を経て溝
内にスムーズに排水される（排水性の確保）とともに、
発泡樹脂部材６の貫通孔１１からＵ字溝ブロック５の流
水溝９を経て地下に速かに流れてゆく（地下浸水性の向
上）ため、Ｕ字溝ブロック５周辺への水の滞留を防ぐこ
とができる。従って、地盤２の凍結時に吸引される水分
量が減少するため、凍上現象を抑えることができる。According to the U-shaped groove block 5 configured as described above, even if rainwater or snowmelt water floods the ground 2 around the drainage channel 1,
This rainwater, etc. is smoothly drained into the groove from the through hole 10 of the foamed resin member 6 through the drainage hole 7 of the U-shaped groove block 5 without being obstructed (drainage performance is ensured).
Water quickly flows underground from the through hole 11 of the foamed resin member 6 through the water groove 9 of the U-shaped groove block 5 (improving underground water permeability), thereby preventing water from accumulating around the U-shaped groove block 5. be able to. Therefore, since the amount of moisture sucked in when the ground 2 freezes is reduced, the frost heaving phenomenon can be suppressed.
また、たとえ地盤２が凍上して土圧が増加したとしても
、発泡樹脂部材６が地盤２の凍上圧緩和作用及び保温作
用を発揮するため、Ｕ字溝ブロック５の側壁部の破損を
防止することができる。Furthermore, even if the ground 2 is frost heaved and the earth pressure increases, the foamed resin member 6 exerts a function of alleviating the frost heaving pressure of the ground 2 and retaining heat, thereby preventing damage to the side walls of the U-shaped groove block 5. be able to.
さらに、上記Ｕ字溝ブロック５の運搬時及び施工時にお
いて、該Ｕ字溝ブロック５と発泡樹脂部材６とを一体物
として収り扱うことができるため、該運搬及び施工の手
間を軽減することができるとともに、発泡樹脂部材６が
衝撃力緩和作用を発揮するため、Ｕ字溝ブロック５の表
面の欠損を防止し又は減少させることができる。Furthermore, when transporting and constructing the U-shaped groove block 5, the U-shaped groove block 5 and the foamed resin member 6 can be stored and handled as one body, which reduces the labor involved in transporting and constructing the U-shaped groove block 5. In addition, since the foamed resin member 6 exhibits an impact force-reducing effect, damage to the surface of the U-shaped groove block 5 can be prevented or reduced.
なお、本発明は前記実施例の構成に限定されるものでは
なく、例えば以下のように発明の趣旨から逸脱しない範
囲で任意に変更して具体化することもできる。It should be noted that the present invention is not limited to the configuration of the above-mentioned embodiments, and may be modified and embodied as desired without departing from the spirit of the invention, for example, as described below.
（１〉Ｕ字溝ブロック５の流水溝９に代えて、第４図に
示すように発泡樹脂部材６に流水溝１６を設けてもよい
。この場合、前記実施例と同様の効果を奏する。(1> In place of the water flow grooves 9 of the U-shaped groove block 5, water flow grooves 16 may be provided in the foamed resin member 6 as shown in FIG. 4. In this case, the same effects as in the embodiment described above can be obtained.
（２〉Ｕ字溝ブロック５に前記排水孔７だけを設けて前
記流水溝９を省き、発泡樹脂部材６に該排水孔７と連通
ずる前記貫通孔１０だけを設けて前記貫通孔１１を省い
てもよい。この場合、前記排水性の確保が図られ、前記
地下浸水性の向上を除いて実施例と同様の効果を奏する
。(2> Only the drain hole 7 is provided in the U-shaped groove block 5, omitting the water flow groove 9, and only the through hole 10, which communicates with the drain hole 7, is provided in the foamed resin member 6, and the through hole 11 is omitted. In this case, the drainage performance is ensured, and the same effects as in the embodiment are achieved except for the improvement in underground water permeability.
（３）また、Ｕ字溝ブロック５に前記流水溝９だけを設
けて前記排水孔７を省き、発泡樹脂部材６に該流水溝９
と連通ずる前記貫通孔１１だけを設けて前記貫通孔１０
を省いてもよい。この場合、前記地下浸水性の向上が図
られ、前記排水性の確保を除いて実施例と同様の効果を
奏する。(3) Also, the U-shaped groove block 5 is provided with only the water flow groove 9 and the drainage hole 7 is omitted, and the foamed resin member 6 is provided with the water flow groove 9.
Only the through hole 11 that communicates with the through hole 10 is provided.
may be omitted. In this case, the above-mentioned underground water permeability is improved, and the same effects as in the embodiment are achieved except for ensuring the above-mentioned drainage property.
（４〉発泡樹脂部材６の外側面に前記貫通孔１０に延び
る集水溝を設けてさらに排水性を向上させたり、発泡樹
脂部材６の外側面及び／又は内側面に流水溝を設けてさ
らに地下浸水性を向上させたりすることもできる。(4> Water collecting grooves extending to the through holes 10 may be provided on the outer surface of the foamed resin member 6 to further improve drainage performance, or water flow grooves may be provided on the outer and/or inner surfaces of the foamed resin member 6 to further improve the drainage performance. It can also improve underground water permeability.
（５）本発明は、前記Ｕ字溝ブロック以外の水路構成用
部材（例えば、組立柵溝、ボックスカルバート等〉、擁
壁部材、護岸部材その他の各種被土圧部材に具体化する
こともできる。(5) The present invention can also be embodied in various earth pressure members other than the U-shaped groove blocks, such as waterway construction members (for example, assembled fence grooves, box culverts, etc.), retaining wall members, bank protection members, and others. .
［発明の効果］
請求項１．２又は３に記載した本発明の被土圧部材によ
れば、単に凍上時の土圧増加による破損を防ぐことがで
きるだけでなく、予め周辺地盤への水の滞留を防いで凍
上現象を抑えることができ、運搬及び施工が容易でその
際の損傷を防ぐこともできるという優れた効果を奏する
。[Effect of the invention] According to the earth pressure member of the present invention as set forth in claim 1.2 or 3, it is possible not only to prevent damage due to an increase in earth pressure during frost heaving, but also to prevent water from flowing into the surrounding ground in advance. It has the excellent effect of preventing stagnation and suppressing frost heaving, making it easy to transport and install, and preventing damage during the process.
第１図は実施例のＵ字溝ブロックを示す分解斜視図、第
２図は該Ｕ字溝ブロックによる排水路の断面図、第３図
は該実施例における発泡樹脂部材の貫通孔の成形具を示
す斜視図、第４図は側倒の発泡樹脂部材を示す斜視図、
第５図は従来のＵ字溝ブロックによる排水路の断面図で
ある。
５・・・被土圧部材としてのＵ字溝ブロック、６・・・
発泡樹脂部材、 ７・・・排水孔、９・・・流水溝、
１０・・・貫通孔、１１・・・貫通孔、 １
６・・・流水溝。Fig. 1 is an exploded perspective view showing the U-shaped groove block of the embodiment, Fig. 2 is a sectional view of a drainage channel formed by the U-shaped groove block, and Fig. 3 is a molding tool for the through-hole of the foamed resin member in the embodiment. FIG. 4 is a perspective view showing the foamed resin member lying on its side;
FIG. 5 is a sectional view of a drainage channel using a conventional U-shaped groove block. 5... U-shaped groove block as a member subjected to earth pressure, 6...
Foamed resin member, 7... Drain hole, 9... Water channel,
10...Through hole, 11...Through hole, 1
6...Running ditch.
Claims (1)
）を接合して一体化した被土圧部材であって、前記被土
圧部材（５）に排水孔（７）を貫設し、前記発泡樹脂部
材（６）に前記排水孔（７）と連通する貫通孔（１０）
を貫設したことを特徴とする被土圧部材。 ２、被土圧部材（５）の地盤側の面に発泡樹脂部材（６
）を接合して一体化した被土圧部材であって、前記被土
圧部材（５）又は発泡樹脂部材（６）に流水溝（９，１
６）を凹設し、前記発泡樹脂部材（６）に前記流水溝（
９，１６）と連通する貫通孔（１１）を貫設したことを
特徴とする被土圧部材。 ３、被土圧部材（５）の地盤側の面に発泡樹脂部材（６
）を接合して一体化した被土圧部材であって、前記被土
圧部材（５）に排水孔（７）を貫設し、前記被土圧部材
（５）又は発泡樹脂部材（６）に流水溝（９，１６）を
凹設し、前記発泡樹脂部材（６）に前記排水孔（７）と
連通する貫通孔（１０）並びに前記流水溝（９，１６）
と連通する貫通孔（１１）を貫設したことを特徴とする
被土圧部材。[Claims] 1. A foamed resin member (6) is attached to the ground side surface of the earth pressure member (5).
), the earth pressure member (5) is provided with a drainage hole (7), and the foamed resin member (6) is provided with a drainage hole (7). Communicating through hole (10)
An earth pressure member characterized by having a through-hole. 2. Place the foamed resin member (6) on the ground side surface of the earth pressure member (5).
) are joined and integrated into an earth pressure member, and the earth pressure member (5) or the foamed resin member (6) is provided with water channels (9, 1).
6) is recessed, and the water flow groove (6) is provided in the foamed resin member (6).
An earth pressure member characterized by having a through hole (11) communicating with the earth pressure member (9, 16). 3. Place the foamed resin member (6) on the ground side surface of the earth pressure member (5).
) is an earth pressure member that is integrated by joining together, the earth pressure member (5) is provided with a drainage hole (7), and the earth pressure member (5) or the foamed resin member (6) is provided with a drainage hole (7). A running water groove (9, 16) is recessed in the foamed resin member (6), and a through hole (10) communicating with the drainage hole (7) and the running water groove (9, 16) are formed in the foamed resin member (6).
An earth pressure member characterized in that a through hole (11) communicating with the earth pressure member is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1204416A JPH0796800B2 (en) | 1989-08-07 | 1989-08-07 | Earth pressure member for civil engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1204416A JPH0796800B2 (en) | 1989-08-07 | 1989-08-07 | Earth pressure member for civil engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0369736A true JPH0369736A (en) | 1991-03-26 |
| JPH0796800B2 JPH0796800B2 (en) | 1995-10-18 |
Family
ID=16490182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1204416A Expired - Fee Related JPH0796800B2 (en) | 1989-08-07 | 1989-08-07 | Earth pressure member for civil engineering |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0796800B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003048147A (en) * | 2001-07-31 | 2003-02-18 | Applied Materials Inc | Grinding pad conditioning device, and grinding device using it |
| JP2006219805A (en) * | 2005-01-12 | 2006-08-24 | Kobayashi Pharmaceut Co Ltd | Lower limb coating material |
| CN113152319A (en) * | 2021-05-11 | 2021-07-23 | 安徽省交通规划设计研究总院股份有限公司 | Assembly type flexible drainage structure and construction method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725385B (en) * | 2019-10-09 | 2020-11-24 | 无锡新南道路设施工程有限公司 | Town road limit portion infiltration french drain structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5653054A (en) * | 1980-09-30 | 1981-05-12 | Ube Ind Ltd | Conveyor for products produced by molding machine |
-
1989
- 1989-08-07 JP JP1204416A patent/JPH0796800B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5653054A (en) * | 1980-09-30 | 1981-05-12 | Ube Ind Ltd | Conveyor for products produced by molding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003048147A (en) * | 2001-07-31 | 2003-02-18 | Applied Materials Inc | Grinding pad conditioning device, and grinding device using it |
| JP2006219805A (en) * | 2005-01-12 | 2006-08-24 | Kobayashi Pharmaceut Co Ltd | Lower limb coating material |
| CN113152319A (en) * | 2021-05-11 | 2021-07-23 | 安徽省交通规划设计研究总院股份有限公司 | Assembly type flexible drainage structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0796800B2 (en) | 1995-10-18 |
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| Date | Code | Title | Description |
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| LAPS | Cancellation because of no payment of annual fees |