JP5661392B2 - Water storage facility construction method and water storage unit - Google Patents
Water storage facility construction method and water storage unit Download PDFInfo
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- JP5661392B2 JP5661392B2 JP2010207714A JP2010207714A JP5661392B2 JP 5661392 B2 JP5661392 B2 JP 5661392B2 JP 2010207714 A JP2010207714 A JP 2010207714A JP 2010207714 A JP2010207714 A JP 2010207714A JP 5661392 B2 JP5661392 B2 JP 5661392B2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Description
本発明は、雨水等を防火用水、農作物や花壇等への灌水として使用するため、或いは集中豪雨時の洪水緩和対策として地中に埋設されて雨水等を貯水する貯水施設の施工法と、該工法で用いられる貯水ユニットに関する。 The present invention relates to a method for constructing a water storage facility for storing rainwater or the like buried in the ground for use as rainwater or the like as water for fire prevention, irrigation of crops or flower beds, or as a flood mitigation measure during torrential rain. It relates to a water storage unit used in the construction method.
上述する貯水施設には、排水処理能力を上回る程の降水量があったときの洪水緩和対策として、雨水を一時的に貯留するために設置されるタイプのものと、防火用水、農作物や花壇等への灌水として使用するため、雨水等を貯水するタイプのものとがある。 The above-mentioned water storage facilities are of the type installed to temporarily store rainwater, fire prevention water, crops, flower beds, etc., as flood mitigation measures when there is precipitation that exceeds the wastewater treatment capacity There is a type that stores rainwater and the like for use as irrigation.
下記特許文献１には、貯水施設を構成する貯水ユニットとして、正方形又は長方形をなす平板状の基台と、該基台一側面の一対の対角線のうち、一方の対角線上に配置されるか、或いは横ないし縦方向に並んで配置され、かつ前記基台に一体に突出形成されると共に、先端に嵌合部を備えた一対の脚と、前記基台の他方の対角線上に形成されるか、或いは縦ないし横方向に並べて形成され、前記脚の嵌合部が嵌合する一対の嵌合穴からなり、貯水施設の施工に際しては、地面を掘削して穴底に砂利や不織布等で覆って内張層を形成し、その上に脚を上向きにした貯水ユニットを並設し、その上に別の貯水ユニットを脚を下向きにして、対向する上下の脚の嵌合部がそれぞれ対応する嵌合穴に嵌合するようにして組付け、上下の貯水ユニットを一組にして、それを何組も多段に積み重ねた貯水ユニットが開示されている。 In the following Patent Document 1, as a water storage unit that constitutes a water storage facility, a flat base that is square or rectangular and a pair of diagonal lines on one side of the base are arranged on one diagonal line, Or a pair of legs that are arranged side by side in the horizontal or vertical direction and are integrally formed on the base and have a fitting portion at the tip, and on the other diagonal of the base. Or a pair of fitting holes that are formed side by side in the vertical or horizontal direction and into which the fitting parts of the legs are fitted, and when constructing a water storage facility, the ground is excavated and covered with gravel or non-woven fabric at the bottom of the hole A water storage unit with a lining layer formed on it, with the legs facing upwards, and another water storage unit with the legs facing downwards, with the fitting parts of the upper and lower legs facing each other Install the upper and lower water storage units so that they fit into the fitting holes. In the set, water storage unit is disclosed in which stacked it what set even multiple stages.
特許文献１に開示される貯水ユニットによると、基台は平板状で、肉厚が薄く、しかも外形が正方形又は長方形であるため、基台及び脚のいずれでも掴み易いこと、施工時には隣同士を接触させながら基台を並べ、その上に別の貯水ユニットを上下逆にして、上下の脚の嵌合部をそれぞれ対応する嵌合穴に嵌合することで上下一組の貯水ユニットが構成されることなどにより作業性よく貯水施設を施工できること、貯水施設は内部に貯水ユニットの脚が林立するが、先を見通すことが可能であるため内部の目視検査が容易に行えること、脚を中空な截頭円（角）錘形にすることで貯水ユニットを成形する際、型が抜き易くなると共に、貯水ユニットを保管時や運搬時に積み重ねる際、上下の貯水ユニットの脚を嵌合して積み重ねることができ、コンパクトにしてスペースを取らないで保管や運搬ができること、などの利点を有するが、脚を上向きにして並べた貯水ユニット上に別の貯水ユニットを組み付ける際、上向きに突出する脚が障害となって作業の邪魔になりがちである。 According to the water storage unit disclosed in Patent Document 1, the base is flat and thin, and the outer shape is square or rectangular. A set of upper and lower water storage units is configured by arranging the bases while making contact, turning another water storage unit upside down, and fitting the fitting parts of the upper and lower legs into the corresponding fitting holes, respectively. It is possible to construct a water storage facility with good workability, etc., and the water storage facility has a water storage unit leg built inside, but it is possible to see through the point, so that the internal visual inspection can be easily performed, and the leg is hollow. When forming a water storage unit by using a truncated circular (square) pyramid shape, it is easy to remove the mold, and when stacking the water storage unit during storage or transportation, fit the legs of the upper and lower water storage units and stack them Can It has advantages such as compactness and storage and transportation without taking up space, but when assembling another water storage unit on a water storage unit with the legs facing upward, the upward protruding leg becomes an obstacle It tends to get in the way of work.
また上下に組付けた一対の貯水ユニットを一組とし、これを積み重ねる際には、貯水ユニットの組を基台が背中合わせとなるように積み重ねるが、上下の貯水ユニットの組が横ずれしないようにするために、各貯水ユニットには、基台に凸部と凹部を設け、凹凸部を嵌合させるようにしているが、基台より突出する凸部は高くすると、横ずれを確実に防止できる反面、障害物となって作業の邪魔になり易く、損傷し易くもなる。逆に突部を低くすると、横ずれ防止の確実性を欠く。 Also, when stacking a pair of water storage units that are assembled vertically, stack the water storage units so that the bases are back to back, but make sure that the upper and lower water storage units do not slip sideways. Therefore, each water storage unit is provided with a convex portion and a concave portion on the base, and the concave and convex portions are fitted, but if the convex portion protruding from the base is made high, it is possible to reliably prevent lateral displacement, It becomes an obstacle and easily interferes with work, and is easily damaged. On the other hand, if the protrusion is lowered, the certainty of preventing lateral slippage is lacking.
本発明は、上記の問題を解消して作業性をより一層向上させ、積み重ねた貯水ユニットが横ずれすることのない貯水施設の施工法と、該工法で用いられる貯水ユニットを提供することを目的とする。 An object of the present invention is to solve the above problems and further improve workability, and to provide a method for constructing a water storage facility in which stacked water storage units do not slip laterally, and a water storage unit used in the construction method. To do.
請求項１に係る発明は、平板状の基台と、該基台の一側面の３か所以上に立設され、先端に嵌合部を備えた脚と、前記基台の他側面に前記脚と同数形成され、前記脚の嵌合部が嵌着される嵌合穴とを有する貯水ユニットを用い、前記脚を下向きにして敷設した貯水ユニットの基台上に脚を同じく下向きにした別の貯水ユニットを積み重ねて敷設し、積み重ねた上下の貯水ユニットは、上側の貯水ユニットの脚の嵌合部を下側の貯水ユニットの基台の嵌合穴に嵌着させることにより連結される貯水施設の施工法であって、前記嵌合部は横断面が脚より小さくて、該脚と段をなし、かつ前記嵌合穴は貫通穴で、前記脚の嵌合部が嵌合穴に該嵌着穴を貫通して嵌合穴より突出して嵌着されることを特徴とする。
The invention according to claim 1 is a flat base, a leg standing at three or more locations on one side of the base, and a leg having a fitting portion at the tip, and the other side of the base. Using a water storage unit that is formed in the same number as the leg and has a fitting hole in which the fitting portion of the leg is fitted, and on the base of the water storage unit laid with the leg facing down, laying a stack of the water storage unit, the top and bottom of the reservoir unit stacked, water which is connected by fitting the fitting portion of the legs of the upper water storage unit to the base fitting hole of the water storage unit of the lower A construction method for a facility, wherein the fitting portion has a cross section smaller than that of the leg, forms a step with the leg, the fitting hole is a through hole, and the fitting portion of the leg is a fitting hole. It is characterized by being fitted through the fitting hole and protruding from the fitting hole .
請求項２に係わる発明は、請求項１に係わる発明において、上下に積み重ねられる貯水ユニットのうち、上下いずれか一方の貯水ユニットが他方の複数の貯水ユニットに跨り、嵌合部と嵌合穴の嵌着により前記一方の１の貯水ユニットと他方の複数の貯水ユニットとが連結されることを特徴とする。 The invention according to claim 2 is the invention according to claim 1, in which either one of the upper and lower water storage units straddles the other plurality of water storage units among the water storage units stacked vertically. The one water storage unit and the other plurality of water storage units are connected by fitting.
請求項３に係る発明は、請求項１又は２に係る発明において用いられる貯水ユニットに関するもので、正方形又は長方形の平板状の基台と、該基台の一側面の８か所以上に立設され、先端に嵌合部を備えた脚と、前記基台の他側面に前記脚と同数形成され、前記脚の嵌合部が嵌着する嵌合穴とを有し、前記脚と嵌合穴は縦方向及び横方向に４列以上の偶数列に配置され、縦方向及び横方向の少なくとも一方向には前記脚と嵌合穴が互い違いとなるように設けられる請求項１又は２記載の施工法で用いられる貯水ユニットにおいて、前記嵌合部は横断面が脚より小さくて、該脚と段をなし、かつ前記嵌合穴は貫通穴で、前記脚の嵌合部が嵌合穴に該嵌着穴を貫通して嵌合穴より突出して嵌着されることを特徴とする。
The invention according to claim 3 relates to a water storage unit used in the invention according to claim 1 or 2, and is erected at eight or more places on a square or rectangular flat base and one side of the base. A leg having a fitting portion at the tip, and a fitting hole formed on the other side of the base in the same number as the leg, and into which the fitting portion of the leg is fitted. 3. The holes according to claim 1, wherein the holes are arranged in an even number of four or more rows in the vertical direction and the horizontal direction, and the legs and the fitting holes are provided alternately in at least one of the vertical direction and the horizontal direction. In the water storage unit used in the construction method, the fitting portion has a cross section smaller than the leg, forms a step with the leg, the fitting hole is a through hole, and the fitting portion of the leg is a fitting hole. It is characterized by being fitted through the fitting hole and protruding from the fitting hole .
請求項４に係わる発明は、請求項１ないし３に係わる発明の貯水ユニットが成形品であり、前記脚は筒状で、截頭円錐形又は截頭角錐形をなすことを特徴とする。 The invention according to claim 4 is characterized in that the water storage unit of the invention according to claims 1 to 3 is a molded product, and the legs are cylindrical and have a truncated cone shape or a truncated pyramid shape.
請求項１に係わる発明によると、貯水ユニットは脚を下向きにして敷設されるが、脚は３か所以上に立設されているため最下段の貯水ユニットで脚が嵌合穴に嵌着されないで、地面に直接載置されても貯水ユニットを安定性よく敷設できること、施工は脚を常に下向きにして嵌合部を嵌合穴に嵌着して貯水ユニットを積み重ねるだけでよく、しかも基台上面は平坦で、作業時に引っ掛りを生ずるような障害物がないため歩き易く、作業性がよいこと、積み重ねられる貯水ユニットは、いずれの貯水ユニットも脚の嵌合部を嵌合穴に嵌着することで横ずれを防止でき、横ずれ防止のための手段を特別に設ける必要がないこと、貯水ユニットは基台に脚を突設し、嵌合穴を形成するだけであるから、構成が簡単であること、貯水ユニットは内部が見通し可能であるため、目視検査が容易に行えること等の効果を有する。 According to the first aspect of the present invention, the water storage unit is laid with the legs facing downward, but since the legs are erected at three or more places, the legs are not fitted into the fitting holes in the lowermost water storage unit. The water storage unit can be laid stably even if it is placed directly on the ground, and the construction can be done by simply stacking the water storage unit with the legs always facing downward and the fitting part fitted into the fitting hole. The top surface is flat, and there are no obstacles that can be caught during work, so it is easy to walk and workability is good, and all the water storage units are fitted with the fitting parts of the legs in the fitting holes. Therefore, it is possible to prevent lateral displacement, and it is not necessary to provide a special means for preventing lateral displacement, and the water storage unit has only a leg protruding from the base and forms a fitting hole. There is a water storage unit inside Because it is possible through has the effect of such that visual inspection can be easily performed.
請求項２に係わる発明によると、敷設された各段の隣接する貯水ユニット同士は、その上下の貯水ユニットと連結されることにより固定される。 According to the invention relating to claim 2, adjacent water storage units of each laid tier are fixed by being connected to the upper and lower water storage units.
請求項３に係わる発明の貯水ユニットによると、基台が正方形又は長方形であることにより、互いの貯水ユニットを接合させて隙間なく並べて敷設することができ、作業性もよいこと、１つの貯水ユニットと、その上下の４つの貯水ユニットとが連結できること等の効果を有する。 According to the water storage unit of the invention according to claim 3, since the base is a square or a rectangle, the water storage units can be joined and laid side by side without any gaps, and the workability is good. And it has the effect that the upper and lower four water storage units can be connected.
請求項４に係わる発明によると、脚が截頭円錐形又は截頭角錐形であるため、これが抜き勾配となって成形時に型が抜き易くなり、また脚が筒状で、截頭円錐形又は截頭角錐形をなすことにより、別の貯水ユニットの脚に差込んで積み重ねることが可能で、これにより積み重ねた貯水ユニットがコンパクトになって崩れを生じにくく、保管や運搬が容易となる。 According to the invention of claim 4, since the legs are frustoconical or frustoconical, this becomes a draft, making it easy to remove the mold during molding, and the legs are cylindrical, frustoconical or By making the truncated pyramid shape, it can be inserted into the legs of another water storage unit and stacked, so that the stacked water storage units become compact and do not easily collapse and can be stored and transported easily.
以下、本発明の実施形態について、先ず貯水ユニットから図面により説明する。
図１に示す貯水ユニット１は、鋼、アルミ等の金属製であってもよいが、好ましくは成形品、例えばＦＲＰ等の高剛性及び高強度の成形品で、正方形の平板状の基台２と、該基台２の一側面の３か所に立設され、先端に小径の嵌合部３を形成すると共に、基台２に形成の開口４ａに通ずる円筒状の截頭円錐形をなす脚４と、該脚４と同数、３箇所に形成され、嵌合部３が嵌着可能である嵌合穴５とを有し、脚４と嵌合穴５は横２列、縦３列に縦横の各方向とも互い違いとなるように配置されている。ここで脚４は別体で基台２に差込んで取付けられるようになっていてもよいが、好ましくは基台２に一体形成される。
Hereinafter, an embodiment of the present invention will be described first with reference to the drawings from a water storage unit.
The water storage unit 1 shown in FIG. 1 may be made of metal such as steel or aluminum, but is preferably a molded product, for example, a highly rigid and high strength molded product such as FRP, and a square flat base 2. The base 2 is erected at three locations on one side of the base 2 and has a small-diameter fitting portion 3 at the tip and a cylindrical frustoconical shape communicating with the opening 4a formed in the base 2 The leg 4 has the same number as the leg 4 and has three fitting holes 5 formed in three places and into which the fitting portion 3 can be fitted. The legs 4 and the fitting holes 5 are arranged in two horizontal rows and three vertical rows. Are arranged alternately in the vertical and horizontal directions. Here, the legs 4 may be separately attached to the base 2, but are preferably integrally formed with the base 2.
基台２は、平板状のものを示しているが、通水を目的に、縦桟と横桟を縦横に組み合わせた格子状構造、ハニカム構造、或いは多角形、円形、楕円形の開口を縦横に形成したものを用いてもよい。
また脚４の横断面は円形以外の楕円形等であってもよい。したがって本発明でいう、円錐形とは横断面が円形以外の楕円形等を含むものである。
The base 2 has a flat plate shape, but for the purpose of water flow, a lattice structure, a honeycomb structure, or a polygonal, circular, or elliptical opening that combines vertical bars and horizontal bars vertically and horizontally. You may use what was formed in.
Further, the cross section of the leg 4 may be oval other than circular. Therefore, the conical shape referred to in the present invention includes an elliptical shape having a cross section other than a circular shape.
図２及び図３は、図１に示す貯水ユニット１を重ねて組付けた態様を示すもので、貯水ユニット１を用いた貯水施設の施工に際しては、先ず図４に示すように掘削した地面に砂利７を敷き、防水シート８を被せて覆う。次に嵌合穴５を形成した取付板９を敷設し、その上に脚４を下向きにし、かつ開口４ａを上向きにした１段目の貯水ユニット１を脚先端の嵌合部３を取付板９に形成の嵌合穴５に嵌着させて組み付ける。ついで１段目の貯水ユニット１の上に脚４を同じく下向きにし、かつ開口４ａを上向きにした２段目の貯水ユニット１を脚先端の嵌合部３を嵌合穴５に嵌着させて組み付ける。同様にして３段目、４段目の貯水ユニット１を組付け、積み重ねる。 2 and 3 show a state in which the water storage unit 1 shown in FIG. 1 is assembled in an overlapped manner. When constructing a water storage facility using the water storage unit 1, first, as shown in FIG. Cover with gravel 7 and cover with waterproof sheet 8. Next, a mounting plate 9 in which a fitting hole 5 is formed is laid, and the first water storage unit 1 with the leg 4 facing downward and the opening 4a facing upward is mounted on the fitting portion 3 at the distal end of the leg. 9 is fitted into the fitting hole 5 formed and assembled. Next, the second-stage water storage unit 1 with the legs 4 facing downwards on the first-stage water storage unit 1 and the openings 4a facing upward is fitted into the fitting holes 5 at the fitting portions 3 at the ends of the legs. Assemble. Similarly, the third and fourth stage water storage units 1 are assembled and stacked.
貯水ユニット１はまた、横方向の前後左右に基台同士が互いに接合するようにして並べて敷設されるが、この敷設は前述する上下の積み重ねと前後してもよい。すなわち１段目の貯水ユニット１を前後左右に敷設したのち、その上に２段目、３段目と順次貯水ユニット１を積み重ねるようにしてもよいし、図２に示すように積み重ねた貯水ユニット１を前後左右に互いに接合するようにして組み付けるようにしてもよい。 The water storage unit 1 is also laid side by side so that the bases are joined to each other on the front, back, left, and right in the horizontal direction, but this laying may be performed before and after the above-described vertical stacking. That is, after the first stage water storage unit 1 is laid in the front, rear, left and right, the second stage, the third stage, and the water storage unit 1 may be stacked on top of each other, or the water storage units stacked as shown in FIG. 1 may be assembled so as to be joined to each other in the front-rear and left-right directions.
以上のようにして貯水ユニット１を前後左右に敷設し、上下方向に多段に積み重ねて貯水施設が構成される。貯水施設構成後、次に防水シート８を被せて全体を覆い、その上に砂利や土砂を被せて被覆層１１を形成する。図中、１３は前述する貯水施設への雨水等の流入口、１４は流出口を示している。 As described above, the water storage unit 1 is laid in the front, rear, left, and right, and stacked in multiple stages in the vertical direction to form a water storage facility. After the construction of the water storage facility, the waterproof sheet 8 is then covered to cover the whole, and gravel or earth and sand are covered thereon to form the covering layer 11. In the figure, reference numeral 13 denotes an inlet for rainwater or the like to the water storage facility described above, and 14 denotes an outlet.
本実施形態の貯水施設によると、流入口１３より流入した雨水等は貯水施設に貯められ、上向きの開口４ａより雨水等が脚４内にも流入し注水される。貯水施設に溜まった雨水等は量が増え、そのレベルが流出口１４に達すると、該流出口１４より流出する。こうして雨水等が貯留され、集中豪雨があったときの洪水が緩和される。溜まった雨水等は防火用水として、或いは農作物や花壇への灌水として使用することができる。
上述する防水シート８は透水性シートに変更することもでき、透水性シートに変更することよって、溜まった雨水等を地中に浸透させることができる。
According to the water storage facility of the present embodiment, rainwater and the like flowing in from the inflow port 13 are stored in the water storage facility, and rainwater and the like flow into the legs 4 from the upward opening 4a and are poured. The amount of rainwater or the like accumulated in the water storage facility increases, and when the level reaches the outlet 14, it flows out of the outlet 14. In this way, rainwater and the like are stored, and flooding during heavy rains is mitigated. The accumulated rainwater or the like can be used as fire prevention water or as irrigation for agricultural products or flower beds.
The waterproof sheet 8 described above can be changed to a water-permeable sheet, and by changing to the water-permeable sheet, accumulated rainwater or the like can be infiltrated into the ground.
なお、前述する実施形態では、１段目の貯水ユニット１は取付板９上に組み付けられるようになっているが、取付板９を省いて１段目の貯水ユニット１を脚４を下向きにして防水シート上に直接敷設するようにしてもよい。取付板９がなくても基台２は三本の脚で支持されるため、不安定となることはない。 In the above-described embodiment, the first-stage water storage unit 1 is assembled on the mounting plate 9, but the mounting plate 9 is omitted and the first-stage water storage unit 1 is placed with the legs 4 facing downward. You may make it lay directly on a waterproof sheet. Even if the mounting plate 9 is not provided, the base 2 is supported by three legs, so that it does not become unstable.
図５に示す貯水ユニット１６は、図１に示す貯水ユニット１の脚４を截頭角錐形で、内部を空洞ないし筒状の脚１７とし、嵌合穴５を角穴１８としたもので、嵌合部も角鉤状の嵌合部１９とされる。図示する例では、横断面が矩形をなしているが、３角形又は５角形
以上の多角形をなしていてもよい。したがって本発明において、角錐形とは横断面が矩形のほか、３角形又は５角形以上の多角形を含むものである。
The water storage unit 16 shown in FIG. 5 has a leg 4 of the water storage unit 1 shown in FIG. 1 in a truncated pyramid shape, a hollow or cylindrical leg 17 inside, and a fitting hole 5 in a square hole 18. The fitting part is also a square hook-like fitting part 19. In the illustrated example, the cross section is a rectangle, but it may be a triangle or a polygon that is a pentagon or more. Accordingly, in the present invention, the pyramid shape includes a polygon having a triangular or pentagonal shape in addition to a rectangular cross section.
本実施形態の貯水ユニット１６も前述する実施形態の貯水ユニット１と同様にして組付け施工される。 The water storage unit 16 of the present embodiment is also assembled and installed in the same manner as the water storage unit 1 of the embodiment described above.
図６に示す貯水ユニット２１は、長方形の基台２２に前述の脚４を５か所に立設すると共に、嵌合穴５を５か所に形成し、脚４と嵌合穴５を横２列、縦５列に、しかも縦横の各方向とも互い違いとなすように配置したもので、その施工は前記と同様にして行われる。 The water storage unit 21 shown in FIG. 6 has the above-mentioned legs 4 erected at five locations on a rectangular base 22 and the fitting holes 5 are formed at five locations. The arrangement is made in two rows and five columns, and alternately in the vertical and horizontal directions, and the construction is performed in the same manner as described above.
図７に示す貯水ユニット２５は、前述する貯水ユニット１を４個組み合わせた構造をなすもので、脚４が１２か所に立設されると共に、嵌合穴５が１２か所に脚４と互い違いに形成されている。より具体的には、脚４と嵌合穴５は横４列、縦６列に配置されて、縦方向及び横方向とも脚４と嵌合穴５が互い違いとなるように形成されている。 The water storage unit 25 shown in FIG. 7 has a structure in which four of the water storage units 1 described above are combined. The leg 4 is erected at 12 locations, and the fitting hole 5 is connected to the leg 4 at 12 locations. It is formed alternately. More specifically, the legs 4 and the fitting holes 5 are arranged in four rows and six rows, and the legs 4 and the fitting holes 5 are formed alternately in both the vertical direction and the horizontal direction.
施工時においては先ず、１段目の貯水ユニット２５を前記実施形態と同様、脚４を下向きにして前後左右に接合するようにして敷設する（図８）。次に二段目の貯水ユニット２５を脚４を同１段目の各貯水ユニット２５の嵌合穴５に嵌着させて積み重ね（図９）、２段目の貯水ユニット２５の１の貯水ユニット２５と１段目の隣り合う４つの貯水ユニット２５とを連結する。 At the time of construction, first, the first-stage water storage unit 25 is laid so that the legs 4 face downward and are joined to the front, rear, left, and right (FIG. 8). Next, the second-stage water storage unit 25 is stacked with the legs 4 fitted in the fitting holes 5 of the respective first-stage water storage units 25 (FIG. 9). 25 and four adjacent water storage units 25 in the first stage are connected.
ついで２段目の貯水ユニット２５の周りに半割りの貯水ユニット２５ａ及びコーナーに１／４割の貯水ユニット２５ｂを敷設する（図１０）。これらの貯水ユニット２５ａ及び２５ｂは省いてもよい。この場合、複数段の貯水ユニット２５は奇数段の貯水ユニット２５より半割りの貯水ユニット２５ａ及び１／４割の貯水ユニット２５ｂ分だけ引き込んだ状態で積み重ねられる。 Next, a half-divided water storage unit 25a is laid around the second-stage water storage unit 25, and a 1/4% water storage unit 25b is laid at the corner (FIG. 10). These water storage units 25a and 25b may be omitted. In this case, the plurality of stages of water storage units 25 are stacked in a state where they are drawn in from the odd-numbered water storage units 25 by half of the water storage units 25a and 1/4% of the water storage units 25b.
２段目の貯水ユニット２５が上述するようにして敷設されたのち、３段目の貯水ユニット２５が組み付けられ、３段目の貯水ユニット２５は２段目の貯水ユニット上に組付け、図８に示す１段目の貯水ユニット２５と同様となる。同様にして４段目以上の貯水ユニット２５が順次前記態様で組み付けられ、貯水施設が構成される。 After the second-stage water storage unit 25 is laid as described above, the third-stage water storage unit 25 is assembled, and the third-stage water storage unit 25 is assembled on the second-stage water storage unit. This is the same as the first stage water storage unit 25 shown in FIG. Similarly, the water storage units 25 in the fourth and higher stages are sequentially assembled in the above-described manner to constitute a water storage facility.
本実施形態によると、各段における貯水ユニット２５は上下に組みつけられた貯水ユニット２５で連結され、隣接する貯水ユニット同士の連結を行うことができる。 According to this embodiment, the water storage unit 25 in each stage is connected by the water storage unit 25 assembled | attached up and down, and can connect adjacent water storage units.
図１１に示す貯水ユニット３１は、図７に示す貯水ユニット２５において、脚４を截頭四角推の脚１７に代え、かつ嵌合部３及び嵌合穴５を共に角形の嵌合部１９及び角穴１８としたもので、本実施形態の貯水ユニット３１も前述の貯水ユニット２５と同様に前後左右及び上下に組み付けられる。 The water storage unit 31 shown in FIG. 11 is the same as the water storage unit 25 shown in FIG. 7, except that the leg 4 is replaced with the leg 17 of the truncated quadrilateral thrust and the fitting part 3 and the fitting hole 5 are both square fitting part 19 and In this embodiment, the water storage unit 31 of the present embodiment is assembled in the front / rear / left / right and top / bottom as well as the water storage unit 25.
図１２に示す貯水ユニット３５は、脚４と嵌合穴５を横４列、縦１０列に、縦横共互い違いとなるように配置して形成したもので、前記と同様、前後左右及び上下に組み付けられる。 The water storage unit 35 shown in FIG. 12 is formed by arranging the legs 4 and the fitting holes 5 in the horizontal 4 rows and the vertical 10 rows so as to be staggered in the vertical and horizontal directions. Assembled.
図１３に示す貯水ユニット４１は、脚４と嵌合穴５を横４列、縦４列に、縦横共互い違いとなるように配置して形成しているものであり、図１４に示す貯水ユニット４５は脚４と嵌合穴５を縦方向には互い違いに、横方向には同じものが並ぶように形成したもので、前述の貯水ユニット２５と同様、前後左右及び上下に組みつけられる。図１３及び図１４は組付けた状態を示している。 The water storage unit 41 shown in FIG. 13 is formed by arranging the legs 4 and the fitting holes 5 in four horizontal rows and four vertical rows so as to be staggered in the vertical and horizontal directions. The water storage unit shown in FIG. 45 is formed by alternately arranging the legs 4 and the fitting holes 5 in the vertical direction and the same in the horizontal direction. 13 and 14 show the assembled state.
前記実施形態ではいずれも基台２、２２は正方形又は長方形をなしているが、例えば５角形、６角形、８角形等の多角形又は円形であってもよく、その形状は組み合わせが容易な正方形、長方形又は６角形が望ましい。 In each of the above embodiments, the bases 2 and 22 are square or rectangular. However, the bases 2 and 22 may be polygons or circles such as pentagons, hexagons, and octagons, and the shapes are squares that can be easily combined. A rectangle or hexagon is desirable.
１、１６、２１、２５、３１、３５、４１、４５・・貯水ユニット
２、２２・・基台
３、１９・・嵌合部
４、１７・・脚
５・・嵌合穴
７・・砂利
８・・防水シート
９・・取付板
１１・・被覆層
１３・・流入口
１４・・流出口
１８・・角穴
1, 16, 21, 25, 31, 35, 41, 45 ··· Water storage unit 2, 22 ·· Base 3, 19 · · Fitting portion 4, 17 · · Leg 5 · · Fitting hole 7 · · Gravel 8 ..Waterproof sheet 9 ..Mounting plate 11 ..Coating layer 13 .. Inlet 14 .. Outlet 18 .. Square hole
Claims (4)
4. The water storage unit according to claim 3, wherein the water storage unit is a molded product, and the legs are cylindrical and have a truncated cone shape or a truncated pyramid shape.
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| CN103469855A (en) * | 2013-09-29 | 2013-12-25 | 王金林 | Header tank |
| PT2980328T (en) | 2014-08-01 | 2020-02-25 | Otto Graf Gmbh Kunststofferzeugnisse | Seepage block element, seepage block and transport unit |
| NL2024531B1 (en) * | 2019-12-20 | 2021-09-08 | Wavin Bv | A plastic infiltration unit |
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| JP3311634B2 (en) * | 1997-03-25 | 2002-08-05 | 東急建設株式会社 | Packing for rainwater storage and infiltration facilities |
| JP2001064988A (en) * | 1999-08-31 | 2001-03-13 | Shinichiro Hayashi | Underground structure |
| JP4360643B2 (en) * | 2005-10-13 | 2009-11-11 | 古河電気工業株式会社 | Assembled structure of skeleton block for water storage facility, space retaining skeleton block structure, water storage facility using the same, method for constructing skeleton block structure, and skeleton block for water storage facility |
| JP4673264B2 (en) * | 2006-07-25 | 2011-04-20 | 株式会社Ｅｎｇ工房 | Storage device |
| JP2008031774A (en) * | 2006-07-31 | 2008-02-14 | Mikuni Plast Kk | Filling member for underground water storage system |
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| NL2029310B1 (en) * | 2021-10-01 | 2023-04-12 | Dyka B V | Subterranean rainwater storage device |
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