JP6245922B2 - Water retaining wall - Google Patents

Water retaining wall Download PDF

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JP6245922B2
JP6245922B2 JP2013210862A JP2013210862A JP6245922B2 JP 6245922 B2 JP6245922 B2 JP 6245922B2 JP 2013210862 A JP2013210862 A JP 2013210862A JP 2013210862 A JP2013210862 A JP 2013210862A JP 6245922 B2 JP6245922 B2 JP 6245922B2
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water
wall
supply means
water supply
retaining
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JP2015074900A (en
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和彦 梅田
和彦 梅田
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Taisei Corp
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Description

本発明は、暑熱緩和に寄与する保水性壁体に関する。   The present invention relates to a water retaining wall that contributes to heat relaxation.

近年、都市部におけるヒートアイランド現象が社会問題となっている。
ヒートアイランド現象の原因の一つとして、建物の外壁や道路の舗装等による日射熱の蓄熱作用が挙げられている。 In recent years, the heat island phenomenon in urban areas has become a social problem.
One of the causes of the heat island phenomenon is the heat storage effect of solar heat due to the outer walls of buildings and pavements of roads.

このようなヒートアイランド現象の対策工として、複数の保水性建材を並設することにより建物の外壁を形成し、この外壁の最上部から保水性建材に水を供給する場合がある。この対策工では、保水性建材に供給された水分の気化熱により外壁の表面温度を低下させる。   As a countermeasure for such a heat island phenomenon, there are cases where a plurality of water-retaining building materials are arranged side by side to form an outer wall of a building, and water is supplied to the water-retaining building material from the uppermost part of the outer wall. In this countermeasure work, the surface temperature of the outer wall is lowered by the heat of vaporization of water supplied to the water-retaining building material.

ところが、外壁が高い場合には、外壁の下側に配設された保水性建材に最上部から供給された水分が供給されずに、外壁の湿潤化にバラツキが生じる場合がある。外壁の湿潤化にバラツキがあると、表面温度の冷却化が不十分になるおそれがある。一方、外壁の湿潤化にバラツキが生じないように、水分の供給量を増加させると、余剰水が多量に発生してしまう。   However, when the outer wall is high, moisture supplied from the uppermost portion is not supplied to the water-retaining building material disposed on the lower side of the outer wall, and the outer wall may be wetted. If there is variation in the wetting of the outer wall, the surface temperature may be insufficiently cooled. On the other hand, if the amount of water supply is increased so as not to cause variation in wetting of the outer wall, a large amount of excess water is generated.

そのため、特許文献１には、複数の多孔質セラミックス版を保持する格子状のフレームと、水を通水する給水管と、多孔質セラミックス版の背面に配設されているとともに両端が給水管に接続された蛇行状の毛細針金とを備える保水性の外壁であって、毛細針金が毛細管現象を引き起こし、多孔質セラミックスの全体に水を吸収させる保水性の外壁が開示されている。   Therefore, Patent Document 1 discloses that a lattice-like frame that holds a plurality of porous ceramic plates, a water supply pipe that allows water to pass through, and a back surface of the porous ceramic plate and both ends are connected to the water supply tubes. A water-retaining outer wall comprising a serpentine capillary wire connected thereto, wherein the capillary wire causes a capillary phenomenon and the entire porous ceramics absorbs water is disclosed.

特開２００４−３６０３４９号公報JP 2004-360349 A

特許文献１の外壁は、給水管をフレームに沿って配管するとともに、フレームを貫通するように毛細針金を配設する必要があり、構築時に手間がかかる。
また、多方向に張り巡らされた毛細針金や給水管のメンテナンスに手間がかかる。 In the outer wall of Patent Document 1, it is necessary to arrange a water supply pipe along the frame and to dispose a capillary wire so as to penetrate the frame.
Moreover, it takes time to maintain the capillary wires and water supply pipes that are stretched in multiple directions.

このような観点から、本発明は、壁体の高さにかかわらず、簡易な構成により壁面全体を均一に湿潤化させることを可能とした保水性壁体を提案することを課題とする。   From such a viewpoint, an object of the present invention is to propose a water-retaining wall body that can uniformly wet the entire wall surface with a simple configuration regardless of the height of the wall body.

前記課題を解決するために、本発明は、上下に並設された複数の保水体と、前記複数の保水体に上方から水を供給する上給水手段と、前記複数の保水体に下方から水を供給する下給水手段とを備える保水性壁体であって、最下段に配設された前記保水体である下端保水体の下部が前記下給水手段に挿入あるいは接していることを特徴としている。   In order to solve the above-mentioned problems, the present invention provides a plurality of water holding bodies arranged vertically, an upper water supply means for supplying water to the plurality of water holding bodies from above, and a water supply to the plurality of water holding bodies from below. And a lower water retaining body, which is the water retaining body disposed at the lowest stage, is inserted or in contact with the lower water supplying means. .

かかる保水性壁体によれば、上下に並設された複数の保水体に対して、上下から水を供給するため、壁体の高さにかかわらず、壁面全体を湿潤化できる。そのため、冷却効果が優れている。
また、上下から水を供給することで、湿潤化に必要な給水量の制御が容易である。 According to such a water retaining wall, water is supplied from above and below to a plurality of water retaining bodies arranged side by side, so that the entire wall surface can be moistened regardless of the height of the wall. Therefore, the cooling effect is excellent.
Further, by supplying water from above and below, it is easy to control the amount of water supply necessary for wetting.

保水性壁体の上部に配設された保水体は、上給水手段から供給された水分が流下することにより湿潤化する。一方、保水性壁体の下部に配設された保水体は、下給水手段から毛細管現象により水分を吸い上げることで湿潤化する。
なお、上方から供給した水分の余剰水が、下給水手段まで流下した場合であっても、下方から供給する水分として再利用することで、有効に活用できる。 The water retaining body disposed on the upper part of the water retaining wall body is wetted by the flow of water supplied from the upper water supply means. On the other hand, the water retaining body disposed at the lower part of the water retaining wall body is wetted by sucking up moisture from the lower water supply means by capillary action.
Even when the excess water supplied from above flows down to the lower water supply means, it can be effectively utilized by reusing it as the water supplied from below.

前記下給水手段が貯水槽であれば、水の有無を確認しやすいとともに、下端保水体による水分の吸い上げが効率的に行われる。   If the lower water supply means is a water storage tank, it is easy to check the presence or absence of water, and moisture is efficiently sucked up by the lower end water retaining body.

前記保水体が上下に隣接する他の前記保水体と隙間をあけて配設されている場合であっても、上下に隣接する保水体同士の隙間に保水性の隙間材が介設されていれば、毛細管現象により上下の保水体間で水分が移動するため、壁体全体を均一に湿潤化することが可能となる。   Even when the water retaining body is disposed with a gap from the other water retaining bodies adjacent to each other in the vertical direction, a water retaining gap material is interposed in the gap between the water retaining bodies adjacent in the vertical direction. For example, since moisture moves between the upper and lower water retaining bodies due to capillary action, the entire wall body can be uniformly moistened.

本発明の保水性壁体によれば、壁体の高さにかかわらず、壁面全体を均一に湿潤化することが可能となる。   According to the water retaining wall of the present invention, the entire wall surface can be uniformly moistened regardless of the height of the wall.

（ａ）は本実施形態の保水性壁体を示す立面図、（ｂ）は（ａ）のＡ−Ａ断面図である。(A) is an elevation view showing the water-retaining wall body of the present embodiment, and (b) is an AA cross-sectional view of (a).

本実施形態の保水性壁体１は、図１に示すように、壁本体２と、板材（保水体）３と、上給水手段４と、下給水手段５とを備えている。   As shown in FIG. 1, the water retention wall body 1 of the present embodiment includes a wall body 2, a plate material (water retention body) 3, an upper water supply means 4, and a lower water supply means 5.

壁本体２は、垂直に立設された板状部材であって、複数の板材３を支持している。
なお、壁本体２の構成は、複数の板材３を支持することができれば限定されるものではなく、例えば、枠状（格子状）に形成されていてもよい。また、壁本体２は、必ずしも垂直である必要はなく、傾斜していてもよい。また、壁本体２の材質も限定されない。 The wall main body 2 is a plate-like member erected vertically and supports a plurality of plate members 3.
The configuration of the wall body 2 is not limited as long as it can support the plurality of plate members 3, and may be formed in a frame shape (lattice shape), for example. Moreover, the wall main body 2 does not necessarily need to be vertical, and may be inclined. Further, the material of the wall body 2 is not limited.

壁本体２には、板材３の配置に対応して、複数の貫通孔２ａが形成されている。本実施形態では、１枚の板材３に対して貫通孔２ａが２カ所ずつ形成されている。
なお、貫通孔２ａは板材３の固定方法（取付治具８の構成）に応じて形成すればよく、省略してもよい。また、貫通孔２ａの配置や数も限定されない。 A plurality of through holes 2 a are formed in the wall body 2 corresponding to the arrangement of the plate members 3. In the present embodiment, two through holes 2 a are formed in each plate member 3.
The through hole 2a may be formed according to the fixing method of the plate 3 (configuration of the mounting jig 8), and may be omitted. Further, the arrangement and number of the through holes 2a are not limited.

本実施形態の壁本体２は、上端および左右端（図１の（ａ）では左端のみ表示）が枠体６に固定されている。本実施形態では、取付部材７を介して壁本体２を枠体６に固定している。なお、枠体６は必要に応じて配設すればよい。また、壁本体２の枠体６への固定方法は限定されない。   As for the wall main body 2 of this embodiment, the upper end and the left and right ends (only the left end is shown in FIG. 1A) are fixed to the frame body 6. In the present embodiment, the wall main body 2 is fixed to the frame body 6 via the attachment member 7. The frame body 6 may be disposed as necessary. Moreover, the fixing method to the frame 6 of the wall main body 2 is not limited.

壁本体２の表面には、複数の板材３が上下左右に並設されている。
本実施形態では、上下に６枚の板材３を並設しているが、板材３の段数は限定されない。また、板材３の横方向に並設する列数も限定されない。さらに、板材３は千鳥状に配設してもよい。 On the surface of the wall body 2, a plurality of plate members 3 are arranged side by side in the vertical and horizontal directions.
In the present embodiment, six plate members 3 are arranged in the vertical direction, but the number of steps of the plate members 3 is not limited. Further, the number of rows arranged in the horizontal direction of the plate member 3 is not limited. Further, the plate members 3 may be arranged in a staggered manner.

板材３は、多孔質材料により構成された保水性を有する部材（保水体）である。本実施形態の板材３は、横長の長方形を呈しているが、板材３の形状は限定されない。
なお、板材３を構成する材料は限定されないが、本実施形態では、連続空隙の多孔質建材を採用する。例えば、セラミックスやレンガを採用する。 The plate material 3 is a water-retaining member (water retaining body) made of a porous material. Although the board | plate material 3 of this embodiment is exhibiting a horizontally long rectangle, the shape of the board | plate material 3 is not limited.
In addition, although the material which comprises the board | plate material 3 is not limited, In this embodiment, the porous building material of a continuous space | gap is employ | adopted. For example, ceramics or bricks are used.

板材３には、壁本体２の貫通孔２ａの位置に対応して、貫通孔３ａが２カ所ずつ形成されている。
板材３は、貫通孔２ａ，３ａに挿通される取付治具８を介して壁本体２に固定されている。本実施形態では、取付治具８として、ボルトと、これに締着されるナットを採用するが、取付治具８の構成は限定されない。 In the plate material 3, two through holes 3 a are formed in correspondence with the positions of the through holes 2 a of the wall body 2.
The plate member 3 is fixed to the wall body 2 via an attachment jig 8 inserted through the through holes 2a and 3a. In the present embodiment, a bolt and a nut fastened thereto are adopted as the mounting jig 8, but the configuration of the mounting jig 8 is not limited.

板材３を壁本体２に固定する場合には、ボルトの軸部を板材３の貫通孔３ａと壁本体２の貫通孔２ａに挿通した状態で、ナットを締め付ければよい。
本実施形態では、１枚の板材３に対して、２つの取付治具８により固定しているが、板材３の固定点数は限定されない。 When the plate member 3 is fixed to the wall body 2, the nut may be tightened in a state where the shaft portion of the bolt is inserted into the through hole 3 a of the plate member 3 and the through hole 2 a of the wall body 2.
In this embodiment, although it fixes with the two attachment jigs 8 with respect to the board | plate material 3 of 1 sheet, the number of fixed points of the board | plate material 3 is not limited.

板材３は、上下左右に隣接する他の板材３と隙間をあけて配設されている。
壁本体２の下部に配設された上下の板材３の隙間には、隙間材９が介設（充填）されている。本実施形態では、壁本体２の高さ方向中央よりも下側の板材３同士の隙間に隙間材９を介設する。つまり、下から１段目（最下段）の板材３（下端板材３０）と下から２段目の板材３との隙間および下から２段目の板材３と下から３段目の板材３との隙間に隙間材９を介設する。なお、隙間材９の設置個所（段数）は限定されない。 The plate material 3 is disposed with a gap from other plate materials 3 adjacent in the vertical and horizontal directions.
A gap material 9 is interposed (filled) in the gap between the upper and lower plate members 3 disposed in the lower portion of the wall body 2. In the present embodiment, the gap member 9 is interposed in the gap between the plate members 3 below the center in the height direction of the wall body 2. That is, the gap between the first-stage (lowermost-stage) plate material 3 (lower-end plate material 30) and the second-stage plate material 3 from the bottom, the second-stage plate material 3 from the bottom, and the third-stage plate material 3 from the bottom. A gap material 9 is interposed in the gap. In addition, the installation location (the number of steps) of the gap material 9 is not limited.

隙間材９は、多孔質材料により構成された保水性を有する部材である。本実施形態では、隙間材９を板材３と同じ材料（セラミックス等）により形成する。なお、隙間材９を構成する材料は、必ずしも板材３と同じ材料である必要はない。   The gap material 9 is a member having water retention property made of a porous material. In the present embodiment, the gap material 9 is formed of the same material (ceramics or the like) as the plate material 3. The material constituting the gap material 9 is not necessarily the same material as the plate material 3.

上給水手段４は、最上段に配設された板材３の上方に配設されている。
本実施形態の上給水手段４は、通水が可能な樋（水路）により構成されており、壁本体２の表面に取り付けられている。なお、上給水手段４は、例えば有孔管により形成してもよく、樋に限定されない。 The upper water supply means 4 is disposed above the plate 3 disposed at the uppermost stage.
The upper water supply means 4 of the present embodiment is constituted by a trough (water channel) capable of passing water, and is attached to the surface of the wall body 2. In addition, the upper water supply means 4 may be formed by a perforated pipe, for example, and is not limited to a trough.

上給水手段４には、板材３に対応する位置（板材３の真上）において底面に貫通孔（図示せず）が形成されている。上給水手段４を流れる水Ｗは、貫通孔から滴下（落下）して板材３に供給される。
なお、貫通孔の配置や形状は限定されるものではないが、本実施形態では、板材３に水滴として水Ｗを供給する大きさとする。 In the upper water supply means 4, a through hole (not shown) is formed on the bottom surface at a position corresponding to the plate material 3 (just above the plate material 3). The water W flowing through the upper water supply means 4 is dropped (dropped) from the through hole and supplied to the plate member 3.
In addition, although the arrangement | positioning and shape of a through-hole are not limited, In this embodiment, it is set as the magnitude | size which supplies the water W to the board | plate material 3 as a water droplet.

下給水手段５は、壁本体２の下端に配設されている。本実施形態の下給水手段５は、内部に水Ｗが貯留された、いわゆる貯水槽である。なお、下給水手段５は、板材３への水の供給が可能な保水性の部材であれば必ずしも貯水槽である必要はない。   The lower water supply means 5 is disposed at the lower end of the wall body 2. The lower water supply means 5 of this embodiment is a so-called water storage tank in which water W is stored. The lower water supply means 5 is not necessarily a water storage tank as long as it is a water retaining member capable of supplying water to the plate 3.

下給水手段５は、壁本体２の下端部を内部に収納した状態で壁本体２を支持している。本実施形態では、下給水手段５が壁本体２の下枠を兼ねていて、壁本体２の下端は下給水手段５の底面に接した状態で下供給手段５に固定されている。
また、下給水手段５は、最下段（下から１段目）に配設された板材３（下端板材３０）の下部も内部に収納している。 The lower water supply means 5 is supporting the wall main body 2 in the state which accommodated the lower end part of the wall main body 2 in the inside. In the present embodiment, the lower water supply means 5 also serves as the lower frame of the wall body 2, and the lower end of the wall body 2 is fixed to the lower supply means 5 in a state of being in contact with the bottom surface of the lower water supply means 5.
Moreover, the lower water supply means 5 has also accommodated also the lower part of the board | plate material 3 (lower end board | plate material 30) arrange | positioned in the lowest level (1st level from the bottom) inside.

下端板材（下端保水体）３０は、その下端が下給水手段５内の水面よりも低くなるように、配設されている。
なお、下端板材３０は、下給水手段５の水Ｗに接することが可能であれば、必ずしも下給水手段５に挿入されている必要はない。 The lower end plate member (lower end water retaining body) 30 is disposed such that the lower end thereof is lower than the water surface in the lower water supply means 5.
Note that the lower end plate member 30 is not necessarily inserted into the lower water supply means 5 as long as it can contact the water W of the lower water supply means 5.

本実施形態の保水性壁体１によれば、上給水手段４および下給水手段５により、複数の板材３に上下から水が供給されるため、保水性壁体１に対して全体的に水が供給される。   According to the water retention wall body 1 of the present embodiment, water is supplied to the plurality of plate members 3 from above and below by the upper water supply means 4 and the lower water supply means 5, so Is supplied.

したがって、保水性壁体１の壁高が大きい場合であっても、壁全体を均一に湿潤化させることが可能となる。
保水性壁体１に均一な湿潤面を形成すれば、効率的な冷却効果を期待することができる。 Therefore, even when the wall height of the water retaining wall 1 is large, the entire wall can be uniformly moistened.
If a uniform wet surface is formed on the water retaining wall 1, an efficient cooling effect can be expected.

例えば、１０ｍ×１０ｍの保水性壁体１を形成した場合において、本実施形態の保水性壁体１の構造により壁全体を湿潤化した場合と、従来の上からのみの給水のために下半分の湿潤化ができない場合とを比較すると、本実施形態の保水性壁体１によれば平均放射温度の低減効果が従来の保水性壁体の２倍となり、体感温度を１〜２℃程度低下させ、壁近傍の暑熱緩和の向上が期待できる。   For example, in the case where the 10 m × 10 m water retaining wall 1 is formed, when the entire wall is moistened by the structure of the water retaining wall 1 of the present embodiment, the lower half for conventional water supply only from above. In comparison with the case where the water cannot be wetted, according to the water retaining wall body 1 of the present embodiment, the effect of reducing the average radiation temperature is twice that of the conventional water retaining wall body, and the sensible temperature is reduced by about 1 to 2 ° C. Can be expected to improve the relaxation of heat near the wall.

保水性壁体１の上部に配設された板材３は、上給水手段４の底面の貫通孔から点滴給水された水Ｗを保水することで湿潤状態を維持する。上給水手段４から供給された水Ｗは、最上段の板材３に保水されつつ流下して、下方の板材３へ供給される。   The plate member 3 disposed on the upper part of the water retaining wall 1 maintains the wet state by retaining the water W supplied by drip from the through hole in the bottom surface of the upper water supply means 4. The water W supplied from the upper water supply means 4 flows down while being retained by the uppermost plate member 3 and is supplied to the lower plate member 3.

保水性壁体１の下部に配設された板材３は、下給水手段５に貯留された水Ｗを、毛細管現象を利用して吸い上げることで保水する。上下に隣接する板材３同士は、隙間材９を介して連続しているため、最下段の板材３により給水された水Ｗは、上方へと吸い上げられる。   The plate member 3 disposed in the lower part of the water retaining wall 1 retains water by sucking up the water W stored in the lower water supply means 5 using a capillary phenomenon. Since the upper and lower adjacent plate members 3 are continuous via the gap member 9, the water W supplied by the lowermost plate member 3 is sucked upward.

つまり、本実施形態の保水性壁体１によれば、上給水手段４のみでは水Ｗが行き渡らない下部の板材３に対しても、下給水手段５から水Ｗを供給することで、壁全体の湿潤化を可能としている。   That is, according to the water-retaining wall body 1 of the present embodiment, the entire wall can be obtained by supplying the water W from the lower water supply means 5 to the lower plate 3 where the water W does not spread only by the upper water supply means 4. Can be moistened.

また、下給水手段５を利用して下方から水を供給するため、上給水手段４を介して上方から供給する水の量を制御することもできる。
また、上給水手段４から供給された水の量が多い場合であっても、余剰水は下給水手段５（貯水槽）に貯留され、下方から供給される水分として再利用することができる。 Moreover, since water is supplied from below using the lower water supply means 5, the amount of water supplied from above via the upper water supply means 4 can also be controlled.
Even when the amount of water supplied from the upper water supply means 4 is large, the surplus water is stored in the lower water supply means 5 (water tank) and can be reused as moisture supplied from below.

以上、本発明に係る実施形態について説明した。しかし、本発明は、前述の実施形態に限られず、前記の各構成要素については、本発明の趣旨を逸脱しない範囲で、適宜変更が可能である。
例えば、保水性壁体１の設置個所は限定されるものではなく、例えば、建物等の外壁として使用してもよいし、道路等の境界壁として使用してもよい。 The embodiment according to the present invention has been described above. However, the present invention is not limited to the above-described embodiment, and the above-described components can be appropriately changed without departing from the spirit of the present invention.
For example, the installation location of the water retaining wall 1 is not limited, and may be used as an outer wall of a building or the like, or may be used as a boundary wall of a road or the like.

また、前記実施形態では、保水体として、保水性を有する板材３を採用したが、保水体は板材３に限定されるものではなく、例えば、多孔質ブロックであってもよい。なお、保水体として多孔質ブロックを採用する場合には、多孔質ブロックを積層することにより保水性壁体１を形成してもよい。   Moreover, in the said embodiment, although the board | plate material 3 which has water retention was employ | adopted as a water holding body, a water holding body is not limited to the board | plate material 3, For example, a porous block may be sufficient. In addition, when employ | adopting a porous block as a water retention body, you may form the water retention wall body 1 by laminating | stacking a porous block.

前記実施形態では、壁本体２により保水体（板材３）を支持するものとしたが、保水体のみで自立が可能であれば、壁本体２は省略してもよい。   In the said embodiment, although the water main body (board | plate material 3) shall be supported by the wall main body 2, if the self-supporting is possible only with a water main body, the wall main body 2 may be abbreviate | omitted.

また、前記実施形態では、壁本体２の上端部（最上段の板材３の上）のみに上給水手段４を配設する場合について説明したが、例えば、壁本体２の上部に配設された板材３同士の間にも配設する等、上給水手段４は複数段配設してもよい。   Moreover, although the said embodiment demonstrated the case where the upper water supply means 4 was arrange | positioned only in the upper end part (on the uppermost board | plate material 3) of the wall main body 2, for example, it was arrange | positioned in the upper part of the wall main body 2. The upper water supply means 4 may be disposed in a plurality of stages, such as between the plate members 3.

また、前記実施形態では、上下に隣接する板材３同士の間に隙間材９を介設する場合について説明したが、隙間材９は、左右に隣接する板材３同士の隙間に介設してもよい。
また、隙間材９は、保水性壁体１の下部の板材３同士の間のみではなく、全ての板材３同士の間に介設してもよい。 Moreover, although the said embodiment demonstrated the case where the clearance gap material 9 was interposed between the board | plate materials 3 adjacent on the upper and lower sides, even if the clearance gap material 9 is interposed in the clearance gap between the board | plate materials 3 adjacent on the right and left. Good.
Further, the gap material 9 may be interposed not only between the lower plate members 3 of the water retaining wall body 1 but also between all the plate members 3.

また、前記実施形態では、板材３を隣接する他の板材３と隙間をあけて配設する場合について説明したが、隣り合う板材３同士は互いに接していてもよい。   Moreover, although the said embodiment demonstrated the case where the board | plate material 3 was arrange | positioned with the clearance gap between the other board | plate materials 3 adjacent, the adjacent board | plate materials 3 may mutually contact | connect.

上給水手段４および下給水手段５の水Ｗは、水道水であってもよいし、雨水や河川等から採取した水であってもよい。
また、上給水手段および下給水手段への水の供給方法は限定されるものではなく、適宜構成すればよい。 The water W of the upper water supply means 4 and the lower water supply means 5 may be tap water, or water collected from rain water, rivers, or the like.
Moreover, the water supply method to the upper water supply means and the lower water supply means is not limited, and may be appropriately configured.

前記実施形態では、全ての板材（保水体）３について同じ材料を採用したが、板材３は、必ずしも全てが同じ材料である必要はない。例えば、壁本体２の下部に配設される板材３に比べて、上部に配設される板材３は、細孔が粗いものであってもよい。なお、保水体は、内部に介在する空隙が物理的に繋がった連続空隙のものであることが望ましい。   In the said embodiment, although the same material was employ | adopted about all the board | plate materials (water-retaining body) 3, all the board | plate materials 3 do not necessarily need to be the same material. For example, the plate material 3 disposed in the upper part may be coarser than the plate material 3 disposed in the lower part of the wall body 2. In addition, it is desirable for the water retaining body to have a continuous void in which voids interposed inside are physically connected.

１ 保水性壁体
３ 板材（保水体）
３０ 下端板材（下端保水体）
４ 上給水手段
５ 下給水手段
９ 隙間材
Ｗ 水 1 Water retaining wall 3 Plate material (water retaining body)
30 Lower end plate material (lower end water retaining material)
4 Upper water supply means 5 Lower water supply means 9 Crevice material W Water

Claims (3)

上下に並設された複数の保水体と、
前記複数の保水体に上方から水を供給する上給水手段と、
前記複数の保水体に下方から水を供給する下給水手段と、を備える保水性壁体であって、
最下段に配設された前記保水体である下端保水体の下部が前記下給水手段に挿入あるいは接していることを特徴とする、保水性壁体。 A plurality of water retaining bodies arranged side by side,
Upper water supply means for supplying water to the plurality of water retaining bodies from above;
A water retention wall comprising a water supply means for supplying water to the plurality of water retention bodies from below,
A water retaining wall body, wherein a lower part of a lower end water retaining body, which is the water retaining body disposed at the lowermost stage, is inserted or in contact with the lower water supply means. 前記下給水手段が、貯水槽であることを特徴とする、請求項１に記載の保水性壁体。   The water retention wall according to claim 1, wherein the lower water supply means is a water storage tank. 前記保水体が、上下に隣接する他の前記保水体と隙間をあけて配設されており、
少なくとも前記下端保水体と、前記下端保水体の上側に隣接する前記保水体との隙間に、保水性の隙間材が介設されていることを特徴とする、請求項１または請求項２に記載の保水性壁体。
The water retaining body is disposed with a gap from the other water retaining bodies adjacent to each other in the vertical direction,
The water retention gap material is interposed in the clearance gap between the said lower end water retention body and the said water retention body adjacent to the upper side of the said lower end water retention body at least, The Claim 1 or Claim 2 characterized by the above-mentioned. Water retaining wall.
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