【０００１】[0001]
【産業上の利用分野】本発明は、ゴルフ場等の芝地や砕
石ドレ−ン工法による造成地等において地中に埋設して
用いられるエア抜きパイプシステムに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air bleeding pipe system which is used by being buried in the ground such as a grass field of a golf course or a land constructed by a crushed stone draining method.
【０００２】[0002]
【従来の技術】例えばゴルフ場のグリ−ンは一般に、下
から地下整形した心土２１、有孔管２２を有する礫層２
３、粗砂層２４、砂土層２５及び芝２６の順に積層して
構築されている（図４）。また、本発明者は、地中に砂
層２７を設け、その中に６号及び／又は７号の砕石、又
は、前記砕石と同等サイズのプラスチック塊その他の耐
水性通水材２９を密に突き固めた排水路２８（図５）、
及び、地中に砂層２７を設け、その中に、多孔性、メッ
シュ状等の通水可能な樹脂製管体内に、６号及び／又は
７号の砕石、又は、前記砕石と同等サイズのプラスチッ
ク塊その他の耐水性通水材２９を密に充填して成る排水
管３０を埋設することを特徴とする地中排水路（図６）
を提唱している（特願平６−３３９０２４号）。2. Description of the Related Art For example, a green on a golf course generally has a gravel layer 2 having a subsoil 21 and a perforated tube 22 which are formed underground from below.
3, the coarse sand layer 24, the sand soil layer 25, and the grass 26 are laminated in this order (FIG. 4). In addition, the present inventor provides a sand layer 27 in the ground, and crushes the crushed stones of No. 6 and / or No. 7 or a water permeable water-permeable material 29 of plastic lump or the like having the same size as the crushed stones therein. Solidified drainage channel 28 (Fig. 5),
And, a sand layer 27 is provided in the ground, in which a resin pipe body having water permeability such as porosity and mesh shape is provided with crushed stones of No. 6 and / or No. 7, or a plastic of the same size as the crushed stones. An underground drainage channel characterized by embedding a drainage pipe 30 that is densely filled with a lump or other water-resistant water-permeable material 29 (Fig. 6).
(Japanese Patent Application No. 6-339024).
【０００３】一方、砕石ドレ−ン工法は、透水性が高く
てせん断強度も高い砕石を、緩い砂地盤中へ柱状に打設
し、砂地盤の透水性及び周辺地盤の強度を全体的に高
め、地震時に発生する過剰間隙水圧を早期に消散させ、
砂地盤が液状化するのを防止する工法である。On the other hand, in the crushed stone draining method, crushed stone having high water permeability and high shear strength is cast into a column of loose sand to increase the water permeability of the sand ground and the strength of the surrounding ground as a whole. , To quickly dissipate excess pore water pressure generated during an earthquake,
This is a construction method that prevents the sand ground from liquefying.
【０００４】図７は砕石ドレ−ン工法の施工例を示す縦
断面図で、砂地盤３１中に適宜間隔置きにドレ−ン孔３
２を穿設し、そこに砕石を充填して砕石柱３３を形成す
る。そして、各砕石柱３３上に、砕石を敷いて成る砕石
マット３４が配設され、この砕石マット３４上に基礎３
５が形成され、基礎３５の周囲に土砂３６が充填され
る。FIG. 7 is a vertical sectional view showing a construction example of the crushed stone draining method. The drain holes 3 are appropriately spaced in the sand ground 31.
2 is bored and crushed stones are filled therein to form crushed stone columns 33. A crushed stone mat 34 formed by laying crushed stones is arranged on each crushed stone pillar 33, and the foundation 3 is placed on the crushed stone mat 34.
5 is formed, and the foundation 35 is filled with earth and sand 36.
【０００５】上記のようにして施工される砕石ドレ−ン
工法においては、地盤中の水が砕石マット３４から砕石
柱３３に流れ、あるいは、直接砕石柱３３に浸み込んで
流れる。即ち、砕石マット３４及び砕石柱３３が排水路
となって排水機能を果たし、以て砂地盤の液状化が防止
されるのである。In the crushed stone draining method constructed as described above, the water in the ground flows from the crushed stone mat 34 to the crushed stone pillar 33 or directly soaks into the crushed stone pillar 33 and flows. That is, the crushed stone mat 34 and the crushed stone pillars 33 serve as drainage channels to fulfill the drainage function, thereby preventing liquefaction of the sand ground.
【０００６】[0006]
【発明が解決しようとする課題】ところで、この砕石マ
ット３４及び砕石柱３３内、並びに、上記有孔管２２、
排水路２８及び排水管３０内には水だけでなく、空気も
溜まるので、適当にエア抜きを行なわないと排水機能が
阻害される。そこで排水路から地表に通じるエア抜きパ
イプを設置することが考えられる。そしてその場合は、
殊に目土等によって地表面が上昇した場合において、パ
イプ内へ土砂が落下することによりパイプが目詰りを起
こすようなことがないよう配慮されなければならない。
本発明はかかる要請に応えるものであって、滞りのない
排水機能を確保し得るエア抜きパイプシステムを提供す
ることを課題とする。By the way, the inside of the crushed stone mat 34 and the crushed stone column 33, and the perforated pipe 22,
Since not only water but also air is accumulated in the drainage channel 28 and the drainage pipe 30, the drainage function is impaired unless air is appropriately removed. Therefore, it is conceivable to install an air vent pipe that connects the drainage channel to the surface. And in that case,
In particular, when the ground surface rises due to soil or the like, care must be taken so that the pipe does not become clogged due to the fall of earth and sand into the pipe.
An object of the present invention is to provide an air bleeding pipe system capable of ensuring a stable drainage function in response to such a request.
【０００７】[0007]
【課題を解決するための手段】本発明は、下端が地中に
形成される砕石マット、排水路又は排水管に通じるエア
抜きパイプの少なくとも上端部にオネジ部を設置し、前
記オネジ部に螺合するメネジ管を備えたコンクリ−ト枠
を設け、前記コンクリ−ト枠又はメネジ管を回転させる
ことにより、前記エア抜きパイプに対し、前記コンクリ
−ト枠を上下動可能にしたことを特徴とするエア抜きパ
イプシステム、を以て上記課題を解決した。エア抜きパ
イプ内にはガラス発泡体、プラスチック廃材、砕石等の
粒材、あるいは、プラスチック、金属等製の細管を多数
本縦に充填することが好ましい。SUMMARY OF THE INVENTION According to the present invention, a male thread portion is installed at least on the upper end portion of an air vent pipe that communicates with a crushed stone mat whose lower end is formed in the ground, a drainage channel or a drainage pipe, and the male threaded portion is screwed. A concrete frame provided with a female screw pipe to be fitted is provided, and by rotating the concrete frame or the female screw pipe, the concrete frame can be moved up and down with respect to the air bleeding pipe. The above problems have been solved by using an air bleeding pipe system. It is preferable to vertically fill a large number of thin tubes made of glass foam, plastic waste material, crushed stone or the like, or plastic, metal or the like in the air bleeding pipe.
【０００８】[0008]
【作 用】コンクリ−ト枠を回転させてそれと一体とな
ったメネジ管をエア抜きパイプのオネジ部に対しネジ戻
すことにより、コンクリ−ト枠を上昇させて、常にその
上面を地表面よりも上に位置させることができる。[Operation] By rotating the concrete frame and unscrewing the female screw tube integrated with the concrete frame to the male screw of the air bleeding pipe, the concrete frame is raised and its upper surface is always higher than the ground surface. Can be located on top.
【０００９】[0009]
【実施例】本発明の実施例を添付図面に依拠して説明す
る。図中１は通例円形に形成されるコンクリ−ト枠で、
必要に応じ、内部に補強筋２が配筋される。コンクリ−
ト枠１の内側には、コンクリ−ト枠１の高さの約２倍の
長さのメネジ管３の上部が嵌挿固定される。Embodiments of the present invention will be described with reference to the accompanying drawings. In the figure, 1 is a concrete frame which is usually formed in a circular shape,
If necessary, reinforcing bars 2 are arranged inside. Concrete
The upper part of the female screw tube 3 having a length about twice the height of the concrete frame 1 is fitted and fixed inside the inner frame 1.
【００１０】コンクリ−ト枠１の上面開口部には、適宜
サイズの通気孔４を多数透設したグレ−チング５が装脱
可能に嵌合される。グレ−チング５は周縁に鍔部６を有
しており、この鍔部６がコンクリ−ト枠１の開口部に形
成された段部７上に乗るようにされ、また、その下面の
環状脚８がメネジ管３上に乗るようにされる。A grating 5 having a large number of ventilation holes 4 of an appropriate size is detachably fitted into the opening of the upper surface of the concrete frame 1. The grating 5 has a flange portion 6 on the periphery thereof, and the flange portion 6 is mounted on a step portion 7 formed in the opening of the concrete frame 1, and the annular leg on the lower surface thereof. 8 is mounted on the female screw tube 3.
【００１１】９はエア抜きパイプ１０の少なくとも上部
に設置されたオネジ部で、メネジ管３内に螺入可能に形
成される。オネジ部９はエア抜きパイプ１０と別体に製
造して後に一体化してもよいし、エア抜きパイプ１０自
体に螺設することにより形成してもよい。図示した例で
は、エア抜きパイプ１０の全体に螺設してある。エア抜
きパイプ１０は、縦に複数連結可能にしてもよい。Reference numeral 9 denotes a male screw portion provided at least on the upper portion of the air bleeding pipe 10 and formed so as to be screwed into the female screw pipe 3. The male screw portion 9 may be manufactured separately from the air bleeding pipe 10 and integrated later, or may be formed by screwing the air bleeding pipe 10 itself. In the illustrated example, the air bleeding pipe 10 is screwed on the whole. A plurality of air bleeding pipes 10 may be vertically connectable.
【００１２】エア抜きパイプ１０は塩化ビニ−ル、ポリ
エチレン等のプラスチック、あるいは、金属等製のパイ
プ材で、好ましくはガラス発泡体、プラスチック廃材等
の比較的軽量の粒材１１が充填される。ここにおいて充
填材として比較的軽量の粒材を用いることとしているの
は、本エア抜きパイプが予め工場で製造され、現場に運
び込まれることを想定しているからであって、粒材を現
場において充填するということであれば、砕石等の重量
物を充填することとしてもよい。予め製造される場合に
は、粒材１１を充填した後、両端をメッシュ材、格子材
その他の通気性素材で閉塞して粒材１１の脱落を防止す
るようにするとよい。粒材１１としては、十分な通気性
が確保されるよう、比較的粒径の大きなものが採用され
る。The air bleeding pipe 10 is made of vinyl chloride, plastic such as polyethylene, or a pipe material made of metal or the like, and is preferably filled with a relatively lightweight granular material 11 such as glass foam or plastic waste material. The reason why the relatively lightweight granules are used as the filler here is that it is assumed that the air bleeding pipe will be manufactured in advance at the factory and carried to the site. As far as filling is concerned, heavy objects such as crushed stone may be filled. In the case of being manufactured in advance, after filling the granular material 11, both ends may be closed with a mesh material, a lattice material or other breathable material to prevent the granular material 11 from falling off. As the granular material 11, a material having a relatively large particle size is used so that sufficient air permeability is ensured.
【００１３】図３に示す実施例は、上記実施例における
粒材７の代わりに、パイプ１０内にパイプ１０と同様に
塩化ビニ−ル、ポリエチレン等のプラスチック、あるい
は、金属等製の細管１２を多数本密に充填したものであ
る。細管の太さは任意である。各細管１２は、ただパイ
プ１０内に押し込むだけでもよいが、好ましくは、相互
に接着する。この場合は、上記実施例の場合よりも軽量
且つ廉価に製造でき、予め工場で製造するのに適する。In the embodiment shown in FIG. 3, instead of the granular material 7 in the above embodiment, a vinyl chloride, a plastic such as polyethylene or the like, or a thin tube 12 made of metal or the like is used in the pipe 10 in the same manner as the pipe 10. A large number of densely packed pieces. The thickness of the thin tube is arbitrary. The capillaries 12 may simply be pushed into the pipe 10, but are preferably glued together. In this case, it can be manufactured lighter and cheaper than the case of the above embodiment, and it is suitable to be manufactured in a factory in advance.
【００１４】本発明に係るエア抜きパイプシステムは、
砕石マット１３（あるいは、図４に示す有孔管２２、図
５に示す排水路２８又は図６に示す排水管３０、以下同
様。）施工後適所に、エア抜きパイプ１０の下端が砕石
マット１３内に臨むようにして土中に埋設される。その
際、コンクリ−ト枠１を回転させてそれと一体となった
メネジ部３をオネジ部９に対し最も深くネジ込んでお
く。それによりコンクリ−ト枠１は、土中に固定状態の
エア抜きパイプ１０に対し、最も下がった所に位置する
ことになる（図１において実線で示す状態）。また、コ
ンクリ−ト枠１の上部が地表面１４から少し、例えば３
ｃｍ程出るようにし、土砂のパイプ内落下が極力防止さ
れるようにする。The air bleeding pipe system according to the present invention comprises:
After the construction of the crushed stone mat 13 (or the perforated pipe 22 shown in FIG. 4, the drainage channel 28 shown in FIG. 5 or the drainage pipe 30 shown in FIG. 6, and so on), the lower end of the air vent pipe 10 has the crushed stone mat 13 in place. It is buried in the soil so that it faces inside. At this time, the concrete frame 1 is rotated and the female screw portion 3 integrated with the concrete frame 1 is screwed into the male screw portion 9 most deeply. As a result, the concrete frame 1 is located at the lowest position with respect to the air bleeding pipe 10 fixed in the soil (state shown by a solid line in FIG. 1). Also, the upper part of the concrete frame 1 is slightly above the ground surface 14, for example, 3
It should be about cm, so that the fall of earth and sand in the pipe is prevented as much as possible.
【００１５】芝地等において目土が供給されると地表面
１４が上昇する。地表面１４が上昇してコンクリ−ト枠
１の上面を越えるに至ると、土砂がパイプ内に落下しや
すくなり、パイプが目詰まりを起こし、エア抜き機能を
果たせなくなる。そこで、地表面１４がコンクリ−ト枠
１の上面に近付いてきたら、必要に応じ周囲の土砂を少
し除去してからコンクリ−ト枠１を上記の場合と逆方向
に回転させる。そうすることによりメネジ管３がオネジ
部９に対して螺戻され、コンクリ−ト枠１は上昇してそ
の上面が地表面１４よりも上方に位置する（図１におい
て仮想線で示す状態）。かくして土砂のパイプ内への落
下が阻止される。When the soil is supplied to the grass or the like, the ground surface 14 rises. When the ground surface 14 rises and reaches the upper surface of the concrete frame 1, the sand and sand easily fall into the pipe, the pipe is clogged, and the air bleeding function cannot be achieved. Therefore, when the ground surface 14 approaches the upper surface of the concrete frame 1, the concrete frame 1 is rotated a little in the opposite direction to the above case, after removing a small amount of earth and sand around it. By doing so, the female screw tube 3 is screwed back to the male screw portion 9, the concrete frame 1 rises, and its upper surface is positioned above the ground surface 14 (state shown by phantom line in FIG. 1). Thus, the sediment is prevented from falling into the pipe.
【００１６】このようにして本エア抜きパイプシステム
を設置することにより、エア抜きパイプ１０内と大気と
の連通性が確保され、砕石マット１３内に溜まった空気
は、随時本エア抜きパイプ１０を通って放出されるの
で、砕石マット１３内に空気が滞留して排水機能が阻害
されることはない。By installing the air bleeding pipe system in this way, the communication between the air bleeding pipe 10 and the atmosphere is ensured, and the air accumulated in the crushed stone mat 13 can be evacuated from the air bleeding pipe 10 at any time. Since it is discharged through the crushed stone mat 13, air does not stay in the crushed stone mat 13 and the drainage function is not hindered.
【００１７】[0017]
【発明の効果】本発明は上述した通りであって、構成簡
易で容易に設置でき、その設置により砕石マット内に溜
まる空気を随時排出させることができるので、砕石マッ
ト内に空気が滞留して排水機能が低下する虞れがなく、
砂地盤の場合においては液状化現象の発生を防止するこ
とができ、また、目土等による地表面上昇に対応してコ
ンクリ−ト枠上面を上昇させることができるので、土砂
流入によってエア抜きパイプが目詰まりを起こすことを
阻止し得る効果がある。As described above, the present invention has a simple structure and can be easily installed, and the installation allows the air accumulated in the crushed stone mat to be discharged at any time, so that the air remains in the crushed stone mat. There is no fear that the drainage function will deteriorate,
In the case of sand ground, the occurrence of liquefaction can be prevented, and the upper surface of the concrete frame can be raised in response to the rise of the ground surface due to the soil, etc. There is an effect that it can be prevented from causing clogging.
【図１】 本発明に係るエア抜きパイプシステムの施工
例を示す縦断面図である。FIG. 1 is a vertical sectional view showing a construction example of an air bleeding pipe system according to the present invention.
【図２】 本発明に係るエア抜きパイプシステムの平面
図である。FIG. 2 is a plan view of an air bleeding pipe system according to the present invention.
【図３】 本発明におけるエア抜きパイプの他の実施例
を示す横断面図である。FIG. 3 is a cross-sectional view showing another embodiment of the air bleeding pipe according to the present invention.
【図４】 ゴルフ場のグリ−ンの一般的構成を示す縦断
面図である。FIG. 4 is a vertical sectional view showing a general configuration of a green on a golf course.
【図５】 本発明者の提唱した地中排水路の構成を示す
縦断面図である。FIG. 5 is a vertical cross-sectional view showing the structure of an underground drainage channel proposed by the present inventor.
【図６】 本発明者の提唱した地中排水路の他の構成を
示す縦断面図である。FIG. 6 is a vertical cross-sectional view showing another configuration of the underground drainage channel proposed by the present inventor.
【図７】 砕石ドレ−ン工法の施工方法を示す縦断面図
である。FIG. 7 is a vertical sectional view showing a construction method of a crushed stone draining method.
１ コンクリ−ト枠 ２ 補強筋 ３ メネジ管 ５ グル−チング ９ オネジ部 10 エア抜きパイプ 11 粒材 12 細管 13 砕石マット 14 地表面 1 Concrete frame 2 Reinforcing bar 3 Female thread pipe 5 Gruching 9 Male part 10 Air bleeding pipe 11 Granular material 12 Capillary tube 13 Crushed stone mat 14 Ground surface
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7112499AJPH08284141A (en) | 1995-04-13 | 1995-04-13 | Air bleeding pipe system |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7112499AJPH08284141A (en) | 1995-04-13 | 1995-04-13 | Air bleeding pipe system |
| Publication Number | Publication Date |
|---|---|
| JPH08284141Atrue JPH08284141A (en) | 1996-10-29 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7112499APendingJPH08284141A (en) | 1995-04-13 | 1995-04-13 | Air bleeding pipe system |
| Country | Link |
|---|---|
| JP (1) | JPH08284141A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10152190B2 (en) | 2003-12-15 | 2018-12-11 | Open Invention Network, Llc | Systems and methods for improved application sharing in a multimedia collaboration session |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10152190B2 (en) | 2003-12-15 | 2018-12-11 | Open Invention Network, Llc | Systems and methods for improved application sharing in a multimedia collaboration session |
| US10606438B2 (en) | 2003-12-15 | 2020-03-31 | Open Invention Network Llc | Systems and methods for improved application sharing in a multimedia collaboration session |
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