JP2012010671A - Greening panel and rooftop greening structure - Google Patents

Greening panel and rooftop greening structure Download PDF

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JP2012010671A
JP2012010671A JP2010152731A JP2010152731A JP2012010671A JP 2012010671 A JP2012010671 A JP 2012010671A JP 2010152731 A JP2010152731 A JP 2010152731A JP 2010152731 A JP2010152731 A JP 2010152731A JP 2012010671 A JP2012010671 A JP 2012010671A
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irrigation pipe
groove
base material
planting base
greening
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Rie Mazaki
理恵 眞▲崎▼
Naoki Higashikawa
尚樹 東川
Takio Inada
多喜夫 稲田
Tatsuo Shoji
辰夫 庄司
Arihiro Nagatani
有弘 永谷
Akiko Tamada
亜希子 玉田
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MASAKI ENVEC KK
Naka Corp
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MASAKI ENVEC KK
Naka Corp
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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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/254—Roof garden systems; Roof coverings with high solar reflectance
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/32—Roof garden systems

Abstract

PROBLEM TO BE SOLVED: To provide a greening panel capable of extending the irrigation range based on an irrigation pipe as much as possible regardless of the state of disposition of the irrigation pipe, and capable of preventing the root rot of plants.SOLUTION: Irrigation pipe storage grooves 4A and 4B are formed on the upper surface of the greening panel in such a way as to intersect and cross soil storage grooves 7A and 7B, and the inside of the irrigation pipe storage grooves 4A and 4B is formed to face the inside of the soil storage grooves 7A and 7B at intersections between the irrigation pipe storage grooves 4A and 4B and the soil storage grooves 7A and 7B. Discharge holes 9 are opened on the inner bottom surfaces 13A and 13B of the soil storage grooves 7A and 7B, and the inner bottom surfaces 4Aa and 4Ba of the irrigation pipe storage grooves 4A and 4B are located higher than the discharge holes 9 in the greening panel.

Description

本発明は、屋上の緑化を図るために用いられる緑化用パネル及びその緑化用パネルを用いた屋上緑化構造に関する。   The present invention relates to a greening panel used for greening a rooftop and a rooftop greening structure using the greening panel.

近年、複数の緑化用パネルを用いて屋上の緑化（植物の栽培）を図り、屋上からの熱の吸収、放出を緩和することが行われている。この緑化用パネルとしては、特許文献１に示すように、基板部上に複数の嵩上げ部を上方に突出した状態で一体的に設け、該複数の嵩上げ部の隣り合う側面により植栽基盤材（土壌等）を収納するための植栽基盤材収納部を格子状に区画するものが提案されている。このものにおいては、植栽基盤材を、主として限られた植栽基盤材収納部内に充填して使用することから、嵩上げ部に相当する分の植栽基盤材を減らすことができる。このため、この緑化用パネルを用いた場合には、基盤が植栽基盤材のみで構成されている場合に比べて、屋上の設置面に作用する荷重を著しく減少させることができる。   In recent years, roof greening (cultivation of plants) is attempted using a plurality of greening panels, and absorption and release of heat from the roof are alleviated. As this panel for greening, as shown in Patent Document 1, a plurality of raised portions are integrally provided on the substrate portion so as to protrude upward, and a planting base material ( The thing which partitions the planting base material storage part for storing soil etc. in a grid | lattice form is proposed. In this thing, since the planting base material is mainly used in a limited planting base material storage part and used, the planting base material corresponding to the raised part can be reduced. For this reason, when this panel for greening is used, the load which acts on the installation surface of a roof can be remarkably reduced compared with the case where a base | substrate is comprised only with a planting base material.

ところで、上記緑化用パネルを用いた屋上緑化構造においては、緑化用パネルを屋上の設置面に敷き詰めるに際し、連続することになる植栽基盤材収納部の一方の向き（格子状の一方の植栽基盤材収納部の向き）を屋上設置面の水勾配（屋上設置面に形成される水排出の勾配（例えば１〜２度））に沿うようにし、灌水パイプを、その水勾配に沿う方向（縦方向）に対して直交する方向（横方向）に延びるように配設することとされている。この屋上緑化構造の下で灌水パイプにより灌水を行えば、その水は、屋上設置面の水勾配に沿う方向に連続する植栽基盤材収納部（縦方向に延びる植栽基盤材収納部）に案内されて下方側に流れる（浸透）ことになり、灌水パイプを基準とした灌水範囲を屋上設置面の水勾配に沿う方向に拡げることができると共に、過剰な貯水に基づき、植栽基盤材収納部（植栽基盤材）内で育成する植物が根腐れを起こすことを防止できる。   By the way, in the rooftop greening structure using the above greening panel, when the greening panel is laid on the installation surface of the rooftop, one direction of the planting base material storage section that is continuous (one grid-like planting) The direction of the base material storage unit) is made to follow the water gradient of the rooftop installation surface (water discharge gradient formed on the rooftop installation surface (for example, 1 to 2 degrees)), and the irrigation pipe is oriented along the water gradient ( It is supposed to be arranged so as to extend in a direction (lateral direction) orthogonal to the (vertical direction). If irrigation is carried out with irrigation pipes under this rooftop greening structure, the water will flow into the planting base material storage part (planting base material storage part extending in the vertical direction) continuous in the direction along the water gradient of the rooftop installation surface. It is guided and flows downward (permeation), and the irrigation range based on the irrigation pipe can be expanded in the direction along the water gradient of the rooftop installation surface, and the planting base material is stored based on excessive water storage It is possible to prevent root rot of plants grown in the section (planting base material).

特開２００８−１７８５０号公報JP 2008-17850 A

しかし、屋上設置面の状態等によっては、必ずしも灌水パイプを屋上設置面においてその水勾配に沿う方向に直交する方向に延びるように配設することはできず、例えば、灌水パイプを屋上設置面の水勾配に沿う方向に延びるように配置しなければならない場合がある。このような場合には、灌水パイプからの水が、屋上設置面においてその水勾配に沿う方向に直交する方向に延びる植栽基盤材収納部に供給されるものの、その水に屋上設置面の水勾配に基づく力が働くことから、灌水パイプを基準としてあまり遠くまで流れる（浸透する）ことはできず、そこに水が過剰に貯水されるおそれがある。このため、灌水パイプを屋上設置面の水勾配に沿う方向に延びる配置とする場合には、灌水パイプを基準とした灌水範囲が狭くなるばかりか、植栽基盤材収納部（植栽基盤材）内で育成する植物が根腐れを起こすおそれがある。   However, depending on the state of the rooftop installation surface, etc., the irrigation pipe cannot necessarily be arranged so as to extend in a direction orthogonal to the direction along the water gradient on the rooftop installation surface. It may be necessary to arrange it to extend in a direction along the water gradient. In such a case, water from the irrigation pipe is supplied to the planting base material storage section extending in a direction orthogonal to the direction along the water gradient on the rooftop installation surface, but the water on the rooftop installation surface is added to the water. Since the force based on the gradient works, it cannot flow (permeate) too far with respect to the irrigation pipe, and there is a possibility that excessive water is stored there. For this reason, in the case where the irrigation pipe is arranged to extend in the direction along the water gradient of the rooftop installation surface, not only the irrigation range based on the irrigation pipe becomes narrow, but also the planting base material storage part (planting base material) Plants grown inside may cause root rot.

本発明は以上のような事情を勘案してなされたもので、その第１の技術的課題は、灌水パイプの配設状態にかかわらず、その灌水パイプを基準とした灌水範囲を極力拡げると共に、植物の根腐れを防止できる緑化用パネルを提供することにある。
第２の技術的課題は、上記緑化用パネルを用いた屋上緑化構造を提供することにある。 The present invention has been made in view of the circumstances as described above, and the first technical problem thereof is to expand the irrigation range based on the irrigation pipe as much as possible, regardless of the arrangement state of the irrigation pipe, An object of the present invention is to provide a greening panel that can prevent plant root rot.
A second technical problem is to provide a rooftop greening structure using the greening panel.

前記第１の技術的課題を達成するために本発明（請求項１に係る発明）にあっては、
基板部上に複数の嵩上げ部が上方に突出した状態で一体的に設けられ、該複数の嵩上げ部の隣り合う側面により植栽基盤材を収納するための植栽基盤材収納部が区画されている緑化用パネルにおいて、
上面に、灌水パイプを収納するための灌水パイプ収納溝が前記植栽基盤材収納部に交差しつつ前記基板部を横切るように形成され、
前記灌水パイプ収納溝内が、該灌水パイプ収納溝と前記植栽基盤材収納部との交差部において、該植栽基盤材収納部内に臨むように形成され、
前記植栽基盤材収納部の内底面に、前記基板部の下面側に連通する排出孔が開口され、
前記灌水パイプ収納溝の内底面が、前記排出孔よりも高い位置に位置されている構成とされている。この請求項１の好ましい態様としては、請求項２〜１０の記載の通りとなる。 In order to achieve the first technical problem, the present invention (the invention according to claim 1)
A plurality of raised portions are integrally provided on the substrate portion so as to protrude upward, and a planting base material storage portion for storing the planting base material is partitioned by adjacent side surfaces of the plurality of raised portions. In the greening panel
On the upper surface, an irrigation pipe storage groove for storing the irrigation pipe is formed so as to cross the substrate part while intersecting the planting base material storage part,
The irrigation pipe storage groove is formed so as to face the planting base material storage part at the intersection of the irrigation pipe storage groove and the planting base material storage part,
On the inner bottom surface of the planting base material storage part, a discharge hole communicating with the lower surface side of the substrate part is opened,
The inner bottom surface of the irrigation pipe storage groove is configured to be positioned higher than the discharge hole. Preferred embodiments of the first aspect are as described in the second to tenth aspects.

前記第２の技術的課題を達成するために本発明（請求項１１に係る発明）にあっては、
屋上の設置面上に複数の請求項１に係る緑化用パネルが、該各請求項１に係る緑化用パネルにおける灌水パイプ収納溝が連続するように敷設され、
前記連続する複数の灌水パイプ収納溝内に、灌水パイプが跨るようにして収納され、
前記各緑化パネルの植栽基盤材収納部内及び前記連続する複数の灌水パイプ収納溝内に植栽基盤材が充填されている、
ことを特徴とする屋上緑化構造とした構成とされている。 In order to achieve the second technical problem, in the present invention (the invention according to claim 11),
A plurality of greening panels according to claim 1 are laid on a rooftop installation surface so that irrigation pipe storage grooves in the greening panels according to each claim 1 are continuous,
In the plurality of continuous irrigation pipe storage grooves, the irrigation pipe is stored so as to straddle,
The planting base material is filled in the planting base material storage part of each greening panel and in the plurality of continuous irrigation pipe storage grooves,
It is set as the structure made into the rooftop greening structure characterized by this.

本発明（請求項１に係る発明）によれば、当該緑化用パネルを、その灌水パイプ収納溝に灌水パイプを収納して屋上設置面に設置した場合には、灌水パイプ収納溝の内底面が排出孔よりも高い位置に位置されていることに基づき、灌水パイプから供給される水は、灌水パイプの配設状態にかかわらず、植栽基盤部収納部内を排出孔に向けて積極的に流動（浸透）することになり、その間、その水は、植栽基盤部収納部内に収納される植栽基盤材に的確に供給され、余分な水は排出孔から排出される。このため、灌水パイプの配設状態にかかわらず、その灌水パイプを基準とした灌水範囲を極力拡げると共に、水が植栽基盤材収納部内に過剰に貯水されて植物が根腐れを起こすことを防止できる。   According to the present invention (the invention according to claim 1), when the greening panel is installed on the rooftop installation surface with the irrigation pipe stored in the irrigation pipe storage groove, the inner bottom surface of the irrigation pipe storage groove is Based on the fact that it is positioned higher than the discharge hole, the water supplied from the irrigation pipe actively flows toward the discharge hole in the planting base storage part regardless of the arrangement state of the irrigation pipe. In the meantime, the water is accurately supplied to the planting base material stored in the planting base part storage unit, and excess water is discharged from the discharge hole. For this reason, regardless of the arrangement of the irrigation pipe, the irrigation range based on the irrigation pipe is expanded as much as possible, and the water is prevented from being excessively stored in the planting base material storage unit to cause root rot of the plant. it can.

請求項２に係る発明によれば、植栽基盤材収納部が、溝状に形成されて、灌水パイプ収納溝と排出孔との間に掛け渡されるように延び、植栽基盤材収納部の内底面が、灌水パイプ収納溝から排出孔に向うに従って低くなるように傾斜されていることから、具体的に、前記請求項１と同様の作用効果を得ることができる。   According to the invention which concerns on Claim 2, a planting base material accommodating part is formed in groove shape, it extends so that it may span between an irrigation pipe accommodation groove and a discharge hole, Since the inner bottom surface is inclined so as to become lower from the irrigation pipe housing groove toward the discharge hole, specifically, the same effect as that of the first aspect can be obtained.

請求項３に係る発明によれば、基板部が平面視略四角形状に形成されていることに基づき、当該緑化用パネルを屋上設置面上に容易に敷き詰めることができるだけでなく、その緑化用パネルの敷き詰めにより各緑化用パネルにおける灌水パイプ収納溝を簡単に連続させることができ、その連続する複数の灌水パイプ収納溝に１本の灌水パイプを収納することができる。このため、１本の灌水パイプにより複数の緑化用パネルを屋上設置面に対して押さえ付けることができるばかりか（緑化用パネルの保持に貢献）、灌水構造及びその施工の簡素化を図ることができる。
また、排出孔が、他方の組の対向する辺部側にそれぞれ位置され、植栽基盤材収納部が、基板部上に一方の組の対向する辺部に略平行となるように複数形成され、各植栽基盤材収納部が、灌水パイプ収納溝と前記各排出孔との間にそれぞれ掛け渡されていることから、灌水パイプ収納溝を基準として両側に植栽基盤材収納部をそれぞれ延ばして、灌水範囲を極力拡げることができる。 According to the invention which concerns on Claim 3, based on the board | substrate part being formed in planar view substantially square shape, not only the said greening panel can be spread | laid on a roof installation surface easily, but the greening panel The irrigation pipe storage grooves in each greening panel can be easily continued by spreading the irrigation panels, and one irrigation pipe can be stored in the plurality of continuous irrigation pipe storage grooves. For this reason, not only can a plurality of greening panels be pressed against the rooftop installation surface by a single irrigation pipe (contributes to holding the greening panels), but also the irrigation structure and its construction can be simplified. it can.
Also, a plurality of discharge holes are respectively positioned on opposite sides of the other set, and a plurality of planting base material storage portions are formed on the substrate portion so as to be substantially parallel to the opposite sides of the one set. Since each planting base material storage section is spanned between the irrigation pipe storage groove and each of the discharge holes, the planting base material storage section is extended to both sides based on the irrigation pipe storage groove. Thus, the irrigation range can be expanded as much as possible.

請求項４に係る発明によれば、基板部が、平面視略正方形状に形成され、灌水パイプ収納溝が、基板部における一方の組の対向する辺部間をその辺部の延び方向略中央において横切るように延びる第１灌水パイプ収納溝と、基板部における他方の組の対向する辺部間をその辺部の延び方向略中央において横切るように延びる第２灌水パイプ収納溝と、を備え、排出孔が、第１灌水パイプ収納溝を基準として、他方の組の対向する辺部側に位置される第１排出孔と、第２灌水パイプ収納溝を基準として、一方の組の対向する辺部側に位置される第２排出孔と、を備え、植栽基盤材収納部が、基板部上に一方の組の対向する辺部に略平行となるように形成されて第１灌水パイプ収納溝と各第１排出孔との間に掛け渡される第１植栽基盤材収納部と、基板部上に他方の組の対向する辺部に略平行となるように形成されて第２灌水パイプ収納溝と各第２排出孔との間に掛け渡される第２植栽基盤材収納部と、を備えていることから、屋上設置面上に当該緑化用パネルを敷き詰めるに際して、既に敷設された緑化用パネル（隣り合うことになる緑化用パネル）の灌水パイプ収納溝（第１又は第２灌水パイプ収納溝）に対して、当該緑化用パネルの第１灌水パイプ収納溝でも、第２灌水パイプ収納溝でも連続させることができることになり、当該緑化用パネルを、敷設の向きを考慮することなく（第１又は第２灌水パイプ収納溝を用いるか否かを考慮することなく）、施工面上に敷き詰めることができる。このため、当該緑化用パネルの敷設作業の容易化を図ることができる。
また、前記請求項３の場合同様、灌水パイプ収納溝を基準として両側に植栽基盤材収納部をそれぞれ延ばして、灌水範囲を極力拡げることができる。 According to the invention of claim 4, the substrate portion is formed in a substantially square shape in plan view, and the irrigation pipe storage groove is located between the opposing sides of one set in the substrate portion and approximately in the center in the extending direction of the sides. A first irrigation pipe storage groove extending across the substrate and a second irrigation pipe storage groove extending across the other set of opposite sides of the base plate portion at substantially the center in the extending direction of the side portions, One set of opposing sides of the first irrigation pipe storage groove as a reference, the first discharge hole located on the opposite side of the other set and the second irrigation pipe storage groove as a reference A second drainage hole located on the portion side, and the planting base material storage portion is formed on the base plate portion so as to be substantially parallel to the opposing side portion of one set, and stores the first irrigation pipe A first planting base material storage section spanned between the groove and each first discharge hole; A second planting base material storage portion formed on the substrate portion so as to be substantially parallel to the opposing side portion of the other set and spanned between the second irrigation pipe storage groove and each second discharge hole; Therefore, when laying the greening panel on the rooftop installation surface, the irrigation pipe storage groove (first or second irrigation) of the already installed greening panel (greening panel to be adjacent) The first irrigation pipe storage groove or the second irrigation pipe storage groove of the greening panel can be continued with respect to the pipe storage groove), and the greening panel can be connected without considering the laying direction. It can be spread on the construction surface (without considering whether to use the first or second irrigation pipe storage groove). For this reason, the laying work of the greening panel can be facilitated.
Further, as in the case of the third aspect, the irrigation range can be expanded as much as possible by extending the planting base material storage portions on both sides based on the irrigation pipe storage groove.

請求項５に係る発明によれば、灌水パイプ収納溝の内底面が、植栽基盤材収納部の内底面に対して段差をもって高くなっていることから、前述の請求項１と同様の作用効果を具体的に得ることができる。   According to the invention which concerns on Claim 5, since the inner bottom face of the irrigation pipe accommodation groove | channel is high with a level | step difference with respect to the inner bottom face of a planting base material accommodating part, the effect similar to the above-mentioned Claim 1 is carried out. Can be obtained specifically.

請求項６に係る発明によれば、植栽基盤材収納部の内底面が、排出孔に近づくに従って低くなっていることから、植栽基盤材収納部における内底面の傾斜によっても、灌水パイプからの水を排出孔に導くことができ、灌水パイプを基準とした灌水範囲の拡大と植物の根腐れ防止とを、確実に図ることができる。   According to the invention which concerns on Claim 6, since the inner bottom face of a planting base material accommodating part becomes low as it approaches a discharge hole, it is from an irrigation pipe also by the inclination of the inner bottom face in a planting base material accommodating part. Therefore, it is possible to reliably expand the irrigation range based on the irrigation pipe and prevent root rot of the plant.

請求項７に係る発明によれば、植栽基盤材収納部に、ポット状の植物を収納するための略円筒状のポット植物収納部が形成されていることから、予め決められたポット植物の収納位置に基づき、見栄えがよい植物の配置を実現できる。   According to the invention which concerns on Claim 7, since the substantially cylindrical pot plant storage part for storing a pot-shaped plant is formed in the planting base material storage part, the pot plant of the predetermined pot plant is formed. Based on the storage position, it is possible to realize an arrangement of plants that look good.

請求項８に係る発明によれば、基板部の下面に、方向を異にする複数の排出溝が交差するように形成され、複数の排出溝の交差部分に排出孔が開口され、各排出溝の溝端が、基板部の周面から外方に向けて開口されていることから、余分な水を複数の排出溝により基板部周面の外方に排水できることになり、排水を円滑に行うことができる。   According to the eighth aspect of the present invention, a plurality of discharge grooves having different directions intersect with each other on the lower surface of the substrate portion, and discharge holes are opened at the intersections of the plurality of discharge grooves. Since the end of the groove is opened outward from the peripheral surface of the substrate part, excess water can be drained to the outside of the peripheral surface of the substrate part by a plurality of discharge grooves, and the drainage is performed smoothly. Can do.

請求項９に係る発明によれば、植栽基盤材収納部が、複数設けられ、排出孔が、各植栽基盤材収納部の内底面にそれぞれ開口され、基板部の下面に複数の排出溝が、各排出溝の溝端が基板部の周面から外方に向けて開口するようにそれぞれ形成され、各排出孔が、各排出溝内にそれぞれ開口され、基板部の下面に、各排出溝同士を互いに連絡する連絡溝が形成されていることから、植栽基盤材収納部及び排出孔が複数設けられている場合においても、複数の排出溝及び連絡溝により、余分な水を外部に円滑に排水することができる。   According to the invention which concerns on Claim 9, the planting base material storage part is provided with two or more, a discharge hole is each opened in the inner bottom face of each planting base material storage part, and several discharge grooves are provided in the lower surface of a board | substrate part. Are formed so that the groove ends of the respective discharge grooves open outward from the peripheral surface of the substrate portion, and the respective discharge holes are respectively opened in the respective discharge grooves, and the respective discharge grooves are formed on the lower surface of the substrate portion. Since there is a communication groove that connects each other, even when there are multiple planting base material storage parts and discharge holes, the multiple discharge grooves and communication grooves allow extra water to flow smoothly to the outside. Can be drained.

請求項１０に係る発明によれば、基板部の下面周縁部に切り欠き状の切り欠き段部が形成され、切り欠き段部内に各排出溝の溝端が臨んでいることから、隣り合う緑化用パネルが互いの切り欠き段部により排水通路を形成することになり、余分な水は、各緑化用パネルにおける周囲の排水通路によっても外部に排水されることになる。このため、排水性能を高めることができる。   According to the invention which concerns on Claim 10, since the notch-shaped notch step part is formed in the lower surface peripheral part of a board | substrate part, and the groove end of each discharge groove has faced in the notch step part, it is for adjacent greening A panel will form a drainage channel by a notch part mutually, and excess water will be drained outside also by the surrounding drainage channel in each greening panel. For this reason, drainage performance can be improved.

本発明（請求項１１に係る発明）によれば、請求項１に係る緑化用パネルを敷設等して構成されることになり、請求項１に係る緑化用パネルを用いた屋上緑化構造を提供できる。   According to the present invention (invention according to claim 11), the greening panel according to claim 1 is laid, and the roof greening structure using the greening panel according to claim 1 is provided. it can.

第１実施形態に係る緑化用パネルを上面側から示す斜視図。The perspective view which shows the panel for greening which concerns on 1st Embodiment from the upper surface side. 第１実施形態に係る緑化用パネルを下面側から示す斜視図。The perspective view which shows the panel for greening which concerns on 1st Embodiment from the lower surface side. 第１実施形態に係る緑化用パネルの構造を説明する説明図。Explanatory drawing explaining the structure of the panel for greening which concerns on 1st Embodiment. 第１実施形態に係る緑化用パネルを用いた屋上緑化構造を説明する説明図。Explanatory drawing explaining the rooftop greening structure using the panel for greening which concerns on 1st Embodiment. 第１実施形態に係る緑化用パネルを用いた屋上緑化構造を示す縦断面図。The longitudinal section showing the rooftop greening structure using the panel for greening concerning a 1st embodiment. 第１実施形態に係る屋上緑化構造において、横方向に延びる連続溝に灌水パイプを収納したときにおける水の流れを説明する拡大説明図。In the roof tree planting structure which concerns on 1st Embodiment, the expansion explanatory drawing explaining the flow of water when the irrigation pipe is accommodated in the continuous groove extended in a horizontal direction. 第１実施形態に係る屋上緑化構造の変形態様（縦方向に延びる連続溝に灌水パイプを収納した態様）を説明する説明図。Explanatory drawing explaining the deformation | transformation aspect (The aspect which accommodated the irrigation pipe in the continuous groove | channel extended in the vertical direction) of the rooftop greening structure which concerns on 1st Embodiment. 第１実施形態に係る屋上緑化構造において、縦方向に延びる連続溝に灌水パイプを収納したときにおける水の流れを説明する拡大説明図。In the roof tree planting structure which concerns on 1st Embodiment, the expansion explanatory drawing explaining the flow of water when the irrigation pipe is accommodated in the continuous groove extended in the vertical direction. 第２実施形態に係る緑化用パネルを上面側から示す斜視図。The perspective view which shows the panel for greening which concerns on 2nd Embodiment from the upper surface side. 第２実施形態に係る緑化用パネルを下面側から示す斜視図。The perspective view which shows the panel for greening which concerns on 2nd Embodiment from the lower surface side. 第２実施形態に係る緑化用パネルを示す平面図。The top view which shows the panel for greening which concerns on 2nd Embodiment. 図１１のＸ１２−Ｘ１２線断面図。X12-X12 sectional view taken on the line of FIG. 隣り合う緑化用パネルにおける切り欠き段部により排出通路が形成されることを説明する説明図。Explanatory drawing explaining that a discharge channel | path is formed by the notch step part in the panel for adjacent greening. 第２実施形態に係る緑化用パネルを用いた屋上緑化構造を説明する説明図。Explanatory drawing explaining the rooftop greening structure using the greening panel which concerns on 2nd Embodiment. １ｍ2当たりのポット植物数の一例を示す平面図。Plan view showing one example of a number of pot plants per 1 m 2. １ｍ2当たりのポット植物数の他の例を示す平面図。Plan view showing another example of a pot number plants per 1 m 2. １ｍ2当たりのポット植物数のさらに他の例を示す平面図。Plan view showing still another example of the number of pots plants per 1 m 2. １ｍ2当たりのポット植物数のさらに他の例を示す平面図。Plan view showing still another example of the number of pots plants per 1 m 2.

第１実施形態を示す図１〜図８において、符号１は、屋上のスラブ面に設置される屋上緑化構造に用いられる第１実施形態に係る緑化用パネル１を示す。緑化用パネル１は、本実施形態においては、発泡樹脂である発泡プロピレン樹脂や、発泡ポリエチレン樹脂等を用いて樹脂成形体として一体成形されており、その緑化用パネル１は、平面視略正方形状をもって所定厚みをなしている。具体的には、周囲の一辺が５００ｍｍ程度、厚みが５０ｍｍ程度とされている。この緑化用パネル１は、基板部２上に複数の嵩上げ部３が上方に突出した状態で一体的に設けられている。基板部２は、緑化用パネル１の下側部分を構成しており、その形状は、緑化用パネル１の外周縁形状を決めるべく、平面視略正方形状とされている。複数の嵩上げ部３は、本実施形態においては、基板部２上面の周縁部に設けられる周縁嵩上げ部３Ａと、その周縁嵩上げ部３Ａの内側に配置される内側嵩上げ部３Ｂと、からなる。周縁嵩上げ部３Ａは、略一定幅をもって、基板部２（上面）の略全周に亘って配置されており、その高さ（嵩上げ量）は一定とされている。内側嵩上げ部３Ｂは、周縁嵩上げ部３Ａの内側側面３Ａａが区画する区画面よりも縮径された状態で平面視略正方形状に形成されており、この内側嵩上げ部３Ｂの高さ（嵩上げ量）は、前記周縁嵩上げ部３Ａの高さと等しくされている。   1-8 which show 1st Embodiment, the code | symbol 1 shows the panel 1 for greening which concerns on 1st Embodiment used for the rooftop greening structure installed in the slab surface of a rooftop. In this embodiment, the greening panel 1 is integrally formed as a resin molded body using a foamed propylene resin, a foamed polyethylene resin, or the like, and the greening panel 1 has a substantially square shape in plan view. Has a predetermined thickness. Specifically, one side is about 500 mm and the thickness is about 50 mm. The greening panel 1 is integrally provided on the substrate portion 2 with a plurality of raised portions 3 protruding upward. The substrate portion 2 constitutes a lower portion of the greening panel 1 and has a substantially square shape in plan view in order to determine the outer peripheral shape of the greening panel 1. In the present embodiment, the plurality of raised portions 3 include a peripheral raised portion 3A provided at the peripheral portion of the upper surface of the substrate portion 2 and an inner raised portion 3B disposed inside the peripheral raised portion 3A. The peripherally raised portion 3A is disposed over substantially the entire circumference of the substrate portion 2 (upper surface) with a substantially constant width, and its height (raised amount) is constant. The inner raised portion 3B is formed in a substantially square shape in plan view in a state where the diameter is smaller than the section screen defined by the inner side surface 3Aa of the peripheral raised portion 3A, and the height (raised amount) of the inner raised portion 3B. Is made equal to the height of the peripheral raised portion 3A.

前記緑化用パネル１の上面には、図１，図３に示すように、灌水パイプ収納溝としての第１灌水パイプ収納溝４Ａが形成されている。第１灌水パイプ収納溝４Ａは、基板部２における一方の組の対向する辺部５間をその辺部５の延び方向略中央において横切るように延びており、その第１灌水パイプ収納溝４Ａの各溝端は、緑化用パネル１の肉厚面（周縁嵩上げ部３Ａの外側側面）から外方にそれぞれ開口されている。これにより、第１灌水パイプ収納溝４Ａは、前記周縁嵩上げ部３Ａ及び内側嵩上げ部３Ｂを、その第１灌水パイプ収納溝４Ａの溝幅方向両側にそれぞれ分割することになる。   As shown in FIGS. 1 and 3, a first irrigation pipe storage groove 4 </ b> A as an irrigation pipe storage groove is formed on the upper surface of the greening panel 1. The first irrigation pipe storage groove 4A extends so as to cross between a pair of opposing side parts 5 in the base plate part 2 at a substantially center in the extending direction of the side part 5, and the first irrigation pipe storage groove 4A. Each groove end is opened outward from the thick surface of the greening panel 1 (the outer side surface of the peripheral raised portion 3A). Thus, the first irrigation pipe storage groove 4A divides the peripheral raised portion 3A and the inner raised portion 3B on both sides in the groove width direction of the first irrigation pipe storage groove 4A.

前記周縁嵩上げ部３Ａの内側側面３Ａａと前記内側嵩上げ部３Ｂの外側側面３Ｂａとの間には、図１，図３に示すように、前記第１灌水パイプ収納溝４Ａの延び方向両側において、第１植栽基盤材収納部としての第１土収納溝７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２が形成されている。第１土収納溝７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２は、第１灌水パイプ収納溝４Ａの延び方向両側において、一方の組の対向する辺部５に略平行となるようにしつつ、他組の対向する辺部６のそれぞれに向けて延びており、その各第１土収納溝７Ａａ１（７Ａａ２，７Ａｂ１，７Ａｂ２）の延び端は、緑化用パネル１の肉厚面から開口せず、その緑化用パネル１の隅部に到達するにとどまっている。この場合、第１土収納溝７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２と第１灌水パイプ収納溝４Ａとの交差部分は、互いが連なるようになっており、第１灌水パイプ収納溝４Ａ内が第１土収納溝７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２内に臨むことになっている。   As shown in FIGS. 1 and 3, between the inner side surface 3Aa of the peripheral raised portion 3A and the outer side surface 3Ba of the inner raised portion 3B, on both sides in the extending direction of the first irrigation pipe housing groove 4A, 1st soil storage groove | channel 7Aa1, 7Aa2, 7Ab1, 7Ab2 as 1 planting base material storage part is formed. The first soil storage grooves 7Aa1, 7Aa2, 7Ab1, and 7Ab2 are opposed to the other sets while being substantially parallel to the opposite side portions 5 of one set on both sides in the extending direction of the first irrigation pipe storage groove 4A. Each of the first soil storage grooves 7Aa1 (7Aa2, 7Ab1, 7Ab2) extends toward each of the side portions 6, and does not open from the thick surface of the greening panel 1, and the greening panel 1 Remaining to reach the corner. In this case, the intersecting portions of the first soil storage grooves 7Aa1, 7Aa2, 7Ab1, 7Ab2 and the first irrigation pipe storage groove 4A are connected to each other, and the first irrigation pipe storage groove 4A is in the first soil. The storage grooves 7Aa1, 7Aa2, 7Ab1, and 7Ab2 are to be faced.

前記緑化用パネル１の上面には、図１，図３に示すように、灌水パイプ収納溝としての第２灌水パイプ収納溝４Ｂが形成されている。第２灌水パイプ収納溝４Ｂは、基板部２における他組の対向する辺部６間をその辺部６の延び方向略中央において横切るように延びており、その第２灌水パイプ収納溝４Ｂの各溝端は、緑化用パネル１の肉厚面（周縁嵩上げ部３Ａの外側側面）から外方にそれぞれ開口されている。これにより、第２灌水パイプ収納溝４Ｂは、前記周縁嵩上げ部３Ａ及び内側嵩上げ部３Ｂをその第２灌水パイプ収納溝４Ｂの溝幅方向両側にそれぞれ分割することになり、結局、前述の第１灌水パイプ収納溝４Ａによる分割を合わせると、前述の周縁嵩上げ部３Ａ及び内側嵩上げ部３Ｂは、それぞれ４つの分割嵩上げ部に分割されることになる。   As shown in FIGS. 1 and 3, a second irrigation pipe storage groove 4 </ b> B as an irrigation pipe storage groove is formed on the upper surface of the greening panel 1. The second irrigation pipe storage groove 4B extends so as to cross between the other opposing side parts 6 in the base plate part 2 at substantially the center in the extending direction of the side part 6, and each of the second irrigation pipe storage grooves 4B. The groove ends are respectively opened outward from the thick surface of the greening panel 1 (outer side surface of the peripheral raised portion 3A). As a result, the second irrigation pipe storage groove 4B divides the peripheral raised portion 3A and the inner raised portion 3B into both sides of the second irrigation pipe storage groove 4B in the groove width direction. If the division | segmentation by the irrigation pipe accommodation groove | channel 4A is match | combined, the above-mentioned peripheral raising part 3A and the inner side raising part 3B will each be divided | segmented into four division | segmentation raising parts.

前記周縁嵩上げ部３Ａの内側側面３Ａａと前記内側嵩上げ部３Ｂの外側側面３Ｂａとの間には、図１，図３に示すように、前記第２灌水パイプ収納溝４Ｂの延び方向両側において、第２植栽基盤材収納部としての第２土収納溝７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２が形成されている。第２土収納溝７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２は、第２灌水パイプ収納溝４Ｂの延び方向両側において、他組の対向する辺部６に略平行となるようにしつつ、一方の組の対向する辺部５のそれぞれに向けてそれぞれ延びており、その各第２土収納溝７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２の延び端は、緑化用パネル１の肉厚面から開口せず、その緑化用パネル１の隅部に到達するにとどまっている。
この場合、第１土収納溝７Ａａ１と第２土収納溝７Ｂａ１、第１土収納溝７Ａａ２と第２土収納溝７Ｂｂ１、第１土収納溝７Ａｂ１と第２土収納溝７Ｂａ２、第１土収納溝７Ａｂ２と第２土収納溝７Ｂｂ２が、その各延び端部において交差している。またこの場合、第２土収納溝７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２と第２灌水パイプ収納溝４Ｂとの交差部分は、互いが連なっており、第２灌水パイプ収納溝４Ｂ内が第２土収納溝７Ｂ内に臨むことになっている。 As shown in FIGS. 1 and 3, between the inner side surface 3Aa of the peripheral raised portion 3A and the outer side surface 3Ba of the inner raised portion 3B, on both sides in the extending direction of the second irrigation pipe storage groove 4B, 2nd soil storage grooves 7Ba1, 7Ba2, 7Bb1, and 7Bb2 are formed as two planting base material storage portions. The second soil storage grooves 7Ba1, 7Ba2, 7Bb1, and 7Bb2 are opposed to one set while being substantially parallel to the opposing side portions 6 on both sides in the extending direction of the second irrigation pipe storage groove 4B. Each of the second soil storage grooves 7Ba1, 7Ba2, 7Bb1, and 7Bb2 extends toward each of the side portions 5, and does not open from the thick surface of the greening panel 1, and the greening panel 1 Remaining to reach the corner.
In this case, the first soil storage groove 7Aa1 and the second soil storage groove 7Ba1, the first soil storage groove 7Aa2 and the second soil storage groove 7Bb1, the first soil storage groove 7Ab1 and the second soil storage groove 7Ba2, the first soil storage groove 7Ab2 and the second soil storage groove 7Bb2 intersect at each extending end. Further, in this case, the intersecting portions of the second soil storage grooves 7Ba1, 7Ba2, 7Bb1, 7Bb2 and the second irrigation pipe storage groove 4B are connected to each other, and the inside of the second irrigation pipe storage groove 4B is the second soil storage groove. 7B is to be faced.

前記第１土収納溝７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２と前記第２土収納溝７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２との各交差部（内底面）には、図１，図３に示すように、排出孔９がそれぞれ開口されている。各排出孔９は、同じ構成とされており、その各排出孔９は、第１土収納溝７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２内、第２土収納溝７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２内を基板部２の下面（緑化用パネル１の下面）側に連通させている。この各排出孔９内には、平面視略十字状の支持壁１０が配設され、その支持壁１０上には透水シート１１、環状の押さえ部材１２が順次、配設されている。この場合、透水シート１１は排出孔９の開口を覆うように配設され、押さえ部材１２は、排出孔９に嵌合されており、透水シート１１は支持壁１０と押さえ部材１２とにより挟持（保持）されている。これにより、透水シート１１は、各排出孔９において保持されて、水のみを排出して土等の流失を防止する。   As shown in FIGS. 1 and 3, the first soil storage grooves 7Aa1, 7Aa2, 7Ab1, 7Ab2 and the second soil storage grooves 7Ba1, 7Ba2, 7Bb1, 7Bb2 are discharged at the intersections (inner bottom surfaces) as shown in FIGS. Each hole 9 is opened. Each discharge hole 9 has the same configuration, and each discharge hole 9 has a substrate portion in the first soil storage groove 7Aa1, 7Aa2, 7Ab1, 7Ab2, and in the second soil storage groove 7Ba1, 7Ba2, 7Bb1, 7Bb2. 2 is communicated with the lower surface (the lower surface of the greening panel 1). In each discharge hole 9, a substantially cross-shaped support wall 10 in a plan view is disposed, and a water-permeable sheet 11 and an annular pressing member 12 are sequentially disposed on the support wall 10. In this case, the water permeable sheet 11 is disposed so as to cover the opening of the discharge hole 9, the pressing member 12 is fitted in the discharge hole 9, and the water permeable sheet 11 is sandwiched between the support wall 10 and the pressing member 12 ( Retained). Thereby, the water permeable sheet 11 is hold | maintained in each discharge hole 9, and only water is discharged | emitted and the runoff of soil etc. is prevented.

前記第１及び第２灌水パイプ収納溝４Ａ，４Ｂの内底面（基板部２の上面）４Ａａ，４Ｂａは、前記各排出孔９よりも高い位置に位置されている。具体的には、第１灌水パイプ収納溝４Ａの内底面４Ａａ（基板部２の上面）が略水平とされている一方、第１土収納溝（７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２の代表符号として７Ａを用いる）の内底面（基板部２の上面）１３Ａは、第１灌水パイプ収納溝４Ａから排出孔９に向うに従って低くなるように傾斜されている。第２灌水パイプ収納溝４Ｂの内底面４Ｂａ（基板部２の上面）も略水平とされている一方、第２土収納溝（７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２の代表符号として７Ｂを用いる）の内底面１３Ｂ（基板部２の上面）は、上記第１土収納溝７Ａの内底面１３Ａ同様、第２灌水パイプ収納溝４Ｂから排出孔９に向うに従って低くなるように傾斜されている（図３の断面部分参照）。この第１，第２土収納溝７Ａ，７Ｂの内底面１３Ａ，１３Ｂの傾斜角度は、屋上設置面における水勾配（例えば１〜２度）よりも大きくなっており、屋上設置面に緑化用パネル１を、その排出孔９を第１又は第２灌水パイプ収納溝４Ｂよりも屋上設置面の高い位置側に向けて配置したとしても、そのとき、第１又は第２灌水パイプ収納溝４Ａ，４Ｂの内底面４Ａａ，４Ｂａは、その排出孔９よりも高い位置となることになっている。   Inner bottom surfaces (upper surfaces of the substrate part 2) 4Aa and 4Ba of the first and second irrigation pipe housing grooves 4A and 4B are positioned higher than the respective discharge holes 9. Specifically, the inner bottom surface 4Aa (the upper surface of the substrate portion 2) of the first irrigation pipe storage groove 4A is substantially horizontal, while the first soil storage groove (7Aa1, 7Aa2, 7Ab1, 7Ab2 is represented by 7A as a representative code). The inner bottom surface (upper surface of the substrate portion 2) 13A is inclined so as to become lower from the first irrigation pipe housing groove 4A toward the discharge hole 9. The inner bottom surface 4Ba (upper surface of the substrate portion 2) of the second irrigation pipe storage groove 4B is also substantially horizontal, while the second soil storage groove (7B is used as a representative code of 7Ba1, 7Ba2, 7Bb1, and 7Bb2). The bottom surface 13B (upper surface of the substrate portion 2) is inclined so as to become lower from the second irrigation pipe storage groove 4B toward the discharge hole 9 like the inner bottom surface 13A of the first soil storage groove 7A (see FIG. 3). See section). The inclination angles of the inner bottom surfaces 13A and 13B of the first and second soil storage grooves 7A and 7B are larger than the water gradient (for example, 1 to 2 degrees) on the rooftop installation surface, and the greening panel is provided on the rooftop installation surface. 1, even if the discharge hole 9 is arranged toward the higher position of the rooftop installation surface than the first or second irrigation pipe storage groove 4B, at that time, the first or second irrigation pipe storage groove 4A, 4B The inner bottom surfaces 4 </ b> Aa and 4 </ b> Ba are higher than the discharge holes 9.

前記基板部２の下面（緑化用パネル１の下面）２ｂには、図２に示すように、複数の直線状の排出溝１４が形成されている。各排出溝１４は、基板部２の各辺部５（６）近傍において、その辺部５（６）に沿いつつ延びており、その各排出溝１４の両溝端は、基板部２の対向する肉厚面（周面）から外方に開口されている。この複数の排出溝１４は、基板部２の四隅部において、周回り方向において隣り合う排出溝１４がそれぞれ交差することになっており、その各交差部分（排出溝１４内）に前記各排出孔９がそれぞれ臨んでいる。   As shown in FIG. 2, a plurality of linear discharge grooves 14 are formed on the lower surface (the lower surface of the greening panel 1) 2 b of the substrate portion 2. Each discharge groove 14 extends along the side portion 5 (6) in the vicinity of each side portion 5 (6) of the substrate portion 2, and both ends of the discharge grooves 14 face the substrate portion 2. It is opened outward from the thick surface (circumferential surface). The plurality of discharge grooves 14 are such that the discharge grooves 14 adjacent to each other in the circumferential direction intersect each other at the four corners of the substrate portion 2, and the discharge holes are formed at the respective intersections (in the discharge grooves 14). 9 faces each.

尚、図１〜図３中、符号１５ａ，１５ｂは、上記緑化用パネル１を屋上の施工面に固定する際に用いる係止部である。   1 to 3, reference numerals 15 a and 15 b denote locking portions used when the greening panel 1 is fixed to the rooftop construction surface.

次に、上記緑化用パネル１を用いた屋上緑化構造について説明する。
図４において、符号１６は、屋上のスラブ面１７に設置される屋上緑化構造を示している。この屋上緑化構造１６は、屋上のスラブ面１７に耐根シート１８が敷かれており、その耐根シート１８上に複数の仕切用レンガ１９を設置することにより、平面視四角形状の施工領域Ｓが区画されている。この場合、各仕切用レンガ１９の下面は、基本的に、スラブ面１７と耐根シート１８（周縁部）とに接着剤を用いて接着され、複数の仕切用レンガ１９の下面側には、施工領域Ｓ内外を連通するための水抜き孔（図示略）が、その複数の仕切用レンガ１９の配設方向に一定間隔毎に形成されている。 Next, the rooftop greening structure using the greening panel 1 will be described.
In FIG. 4, the code | symbol 16 has shown the roof greening structure installed in the slab surface 17 of a roof. In this rooftop greening structure 16, a root-resistant sheet 18 is laid on the roof slab surface 17, and by installing a plurality of partitioning bricks 19 on the root-resistant sheet 18, a construction area S having a rectangular shape in plan view. Is partitioned. In this case, the lower surface of each partition brick 19 is basically bonded to the slab surface 17 and the root-resistant sheet 18 (peripheral portion) using an adhesive, and on the lower surface side of the plurality of partition bricks 19, Water drain holes (not shown) for communicating the inside and outside of the construction area S are formed at regular intervals in the arrangement direction of the plurality of partitioning bricks 19.

前記施工領域Ｓにおける耐根シート１８上には、図４に示すように、複数の前記緑化用パネル１が、縦方向（屋上面の水勾配に沿う方向）Ｙ及び横方向Ｘ（屋上面においてその水勾配に沿う方向に直交する方向）に列をなすようにして敷き詰められている。各緑化用パネル１は、その隣り合うものの側面同士全体が互いに対向した状態で当接されており、各緑化用パネル１における隅部の係止部１５ａ（１５ｂ）は、その周囲に集合される他の緑化用パネル１における隅部の係止部１５ａ（１５ｂ）と共に、係止具２０を用いてスラブ面１７に対して固定されている。これにより、各緑化用パネル１は、屋上のスラブ面１７に保持され、風等により飛ばされることはない。図４中の符号２０ａは、予めスラブ面１７に固定される係止具２０の一部である。また、符号２１は、施工領域Ｓ内に緑化用パネル１だけでは敷き詰めることができない場合に用いる敷き詰め調整用透水マットである。この場合、土等の流失を防止する透水シート２２が、仕切用レンガ１９の内側側面及び透水マット２１の表面等を覆うことになる。   On the root-resistant sheet 18 in the construction area S, as shown in FIG. 4, a plurality of the greening panels 1 are arranged in the vertical direction (direction along the water gradient on the roof surface) Y and the horizontal direction X (on the roof surface). It is spread in a row in a direction perpendicular to the direction along the water gradient. The greening panels 1 are in contact with each other in a state where the side surfaces of the adjacent ones face each other, and the locking portions 15a (15b) at the corners of the greening panels 1 are gathered around them. Along with the locking portions 15a (15b) at the corners of the other greening panels 1, the greening panels 1 are fixed to the slab surface 17 using the locking tools 20. Thereby, each greening panel 1 is hold | maintained at the slab surface 17 of a roof, and is not skipped by a wind etc. Reference numeral 20 a in FIG. 4 is a part of the locking tool 20 fixed to the slab surface 17 in advance. Reference numeral 21 denotes a water permeable mat for adjusting the spread used when the green area 1 cannot be laid in the construction area S alone. In this case, the water-permeable sheet 22 that prevents the soil and the like from flowing covers the inner side surface of the partition brick 19 and the surface of the water-permeable mat 21.

横方向Ｘに並ぶ緑化用パネル１の各列においては、図４に示すように、各緑化用パネル１における第１又は第２灌水パイプ収納溝４Ａ，４Ｂが連なって、横方向Ｘに延びる連続溝２３Ａが縦方向Ｙに所定間隔（例えば５００ｍｍ）毎に構成され、縦方向Ｙに並ぶ緑化用パネル１の各列においては、同図４に示すように、各緑化用パネル１における第１又は第２灌水パイプ収納溝４Ａ，４Ｂが連なって、縦方向Ｙに延びる連続溝２３Ｂが横方向Ｘに所定間隔（例えば５００ｍｍ）毎に構成されている。本実施形態においては、各緑化用パネル１が平面視略正方形状に形成され、その各緑化用パネル１において、第１灌水パイプ収納溝４Ａが、基板部２における一方の組の対向する辺部５間をその辺部５の延び方向略中央において横切るように延び、第２灌水パイプ収納溝４Ｂが、基板部２における他方の組の対向する辺部６間をその辺部６の延び方向略中央において横切るように延びていることから、各緑化用パネル１を、縦列、横列となるように揃えるだけで縦方向Ｙ及び横方向Ｘに延びる連続溝２３Ａ，２３Ｂが形成され、各緑化用パネル１の敷設に際して、第１，第２灌水パイプ収納溝４Ａ，４Ｂを考慮して、各緑化用パネル１の向きを決める必要はない。このため、各緑化用パネル１の敷設作業については容易となっている。   In each row of the greening panels 1 arranged in the horizontal direction X, as shown in FIG. 4, the first or second irrigation pipe housing grooves 4A and 4B in each greening panel 1 are connected to each other to continuously extend in the horizontal direction X. Grooves 23A are formed at predetermined intervals (for example, 500 mm) in the vertical direction Y, and in each row of the greening panels 1 arranged in the vertical direction Y, as shown in FIG. The second irrigation pipe housing grooves 4A and 4B are connected, and a continuous groove 23B extending in the vertical direction Y is formed in the horizontal direction X at predetermined intervals (for example, 500 mm). In the present embodiment, each greening panel 1 is formed in a substantially square shape in plan view, and in each greening panel 1, the first irrigation pipe storage groove 4 </ b> A has one set of opposing side portions in the substrate portion 2. The second irrigation pipe storage groove 4B extends between the other opposing sides 6 of the substrate part 2 in the extending direction of the side part 6. Since it extends so as to cross across the center, continuous grooves 23A and 23B extending in the vertical direction Y and the horizontal direction X are formed simply by aligning the greening panels 1 so that they are arranged in rows and columns. When laying 1, it is not necessary to determine the orientation of each greening panel 1 in consideration of the first and second irrigation pipe housing grooves 4A and 4B. For this reason, it is easy to lay each greening panel 1.

この屋上緑化構造１６においては、図４に示すように、横方向Ｘに延びる各連続溝２３Ａ内に、水を供給する灌水パイプ２４がそれぞれ収納されている。各灌水パイプ２４は、横方向Ｘに並ぶ緑化用パネル１を横切るように延びており、この各灌水パイプ２４により、水が、各緑化用パネル１において縦方向Ｙに延びる土収納溝（第１又は第２土収納溝７Ａ，７Ｂの代表符号として符号７を用いる）、灌水パイプ２４が収納されず縦方向Ｙに延びる各連続溝２３Ｂに対して供給されることになっている（所定間隔毎の水供給孔は図示略）。この灌水パイプ２４としては、ドリップチューブが好ましい。また、灌水パイプ２４により緑化用パネル１をスラブ面１７に押し付けるべく、灌水パイプ２４は、取付け具（図示略）を介してスラブ面１７に固定することが好ましい。   In the roof greening structure 16, as shown in FIG. 4, irrigation pipes 24 for supplying water are accommodated in the respective continuous grooves 23 </ b> A extending in the lateral direction X. Each irrigation pipe 24 extends so as to cross the greening panels 1 arranged in the lateral direction X, and the irrigation pipes 24 allow the water to be stored in the soil storage grooves (firsts) extending in the vertical direction Y in each greening panel 1. Alternatively, reference numeral 7 is used as a representative code for the second soil storage grooves 7A and 7B), and the irrigation pipe 24 is not stored and is supplied to each continuous groove 23B extending in the longitudinal direction Y (at predetermined intervals). The water supply holes are not shown). The irrigation pipe 24 is preferably a drip tube. In addition, the irrigation pipe 24 is preferably fixed to the slab surface 17 via a fixture (not shown) so that the greening panel 1 is pressed against the slab surface 17 by the irrigation pipe 24.

施工領域Ｓ内に敷き詰められた上記各緑化用パネル１においては、図４，図５に示すように、縦方向Ｙ及び横方向Ｘに延びる土収納溝７内及び連続溝２３Ａ，２３Ｂ内に、植栽基盤材としての土２５が充填されていると共に、その上側に、さらに覆土２６が施されている。この覆土２６上には芝生マット２７が敷設されており、この芝生マット２７における芝生の根は、縦方向に延びる連続溝２３Ｂ及び土収納溝７の各列に対応させて配置されている。   In each of the greening panels 1 spread in the construction area S, as shown in FIGS. 4 and 5, in the soil storage groove 7 and the continuous grooves 23 </ b> A and 23 </ b> B extending in the vertical direction Y and the horizontal direction X, The soil 25 as a planting base material is filled, and a covering soil 26 is further provided on the upper side. A lawn mat 27 is laid on the soil covering 26, and the roots of the lawn on the lawn mat 27 are arranged in correspondence with the rows of continuous grooves 23 </ b> B and soil storage grooves 7 extending in the vertical direction.

このような屋上緑化構造１６においては、各緑化用パネル１における複数の嵩上げ部３に相当する分の土が減ることになり、屋上緑化構造１６の重量の低減を図ることができる。   In such a roof greening structure 16, the soil corresponding to the plurality of raised portions 3 in each greening panel 1 is reduced, and the weight of the roof greening structure 16 can be reduced.

また、この屋上緑化構造１６においては、各灌水パイプ２４から水が、敷き詰められた緑化用パネル１における縦方向Ｙに延びる土収納溝７及び連続溝２３Ｂ（灌水パイプ２４が収納されていない灌水パイプ収納溝４Ａ又は４Ｂが連続して構成されるもの）に供給される。縦方向Ｙに延びる土収納溝７のうち、各灌水パイプ２４を基準として屋上設置面の低い側に位置するものに関しては、屋上設置面の水勾配及び土収納溝７の内底面（１３Ａ，１３Ｂの代表符号として１３を用いる。）の傾斜に基づき、水は、図４，図６の矢印（水の流れを示す）に示すように、屋上設置面の低い側に向けて流れ、それに伴い、水がその土収納溝７内の土（図６においては図示略）に供給され、余った水は、排出孔９から排出される。一方、縦方向Ｙに延びる土収納溝７のうち、各灌水パイプ２４を基準として高い側に位置するものに関しては、屋上設置面の水勾配に勝る土収納溝７の内底面１３の傾斜に基づき、図４，図６の矢印に示すように、屋上設置面の高い側に向けて流れ、それに伴い、水がその土収納溝７内の土に供給され、余った水は、排出孔９から排出される。このため、土収納溝７に関しては、各灌水パイプ２４を基準として両側に灌水範囲を極力拡げると共に、水が土収納溝７内に過剰に貯水されて植物が根腐れを起こすことを防止できる。   Moreover, in this rooftop greening structure 16, the soil storage groove | channel 7 and the continuous groove | channel 23B (the irrigation pipe in which the irrigation pipe 24 is not accommodated) which the water from each irrigation pipe 24 extends in the vertical direction Y in the laid greening panel 1 The storage groove 4A or 4B is continuously provided). Among the soil storage grooves 7 extending in the vertical direction Y, those located on the lower side of the rooftop installation surface with respect to each irrigation pipe 24, the water gradient of the rooftop installation surface and the inner bottom surface (13A, 13B) of the soil storage groove 7 13 is used as a representative symbol of the water), and the water flows toward the lower side of the rooftop installation surface as shown by the arrows (showing the flow of water) in FIGS. Water is supplied to the soil (not shown in FIG. 6) in the soil storage groove 7, and excess water is discharged from the discharge hole 9. On the other hand, among the soil storage grooves 7 extending in the longitudinal direction Y, those located on the higher side with respect to each irrigation pipe 24 are based on the inclination of the inner bottom surface 13 of the soil storage groove 7 that exceeds the water gradient of the rooftop installation surface. 4 and 6, the water flows toward the higher side of the rooftop installation surface, and accordingly, water is supplied to the soil in the soil storage groove 7, and the excess water is discharged from the discharge hole 9. Discharged. For this reason, with respect to the soil storage groove 7, the irrigation range can be expanded as much as possible on both sides with respect to each irrigation pipe 24, and water can be prevented from being excessively stored in the soil storage groove 7 to cause root rot of the plant.

また、縦方向Ｙに延びる連続溝２３Ｂに関しては、図４，図６の矢印に示すように、屋上設置面の水勾配に基づき、屋上設置面の低い側に向けて流れて排水される。この間、連続溝２３Ｂ内の土に水が供給され、余った水は、排水として、仕切用レンガ１９側へと流れる。   Further, as shown by the arrows in FIGS. 4 and 6, the continuous groove 23 </ b> B extending in the vertical direction Y flows and drains toward the lower side of the rooftop installation surface based on the water gradient on the rooftop installation surface. During this time, water is supplied to the soil in the continuous groove 23B, and the surplus water flows to the partition brick 19 side as drainage.

この結果、水が芝生マット２７における芝生の根に的確に供給され、芝生は、根腐れを起こすことなく順調に育成される。   As a result, water is accurately supplied to the grass roots in the grass mat 27, and the grass is grown smoothly without causing root rot.

また、屋上緑化構造１６においては、上述のように、灌水パイプ２４を横方向Ｘに延びる各連続溝２３Ａ内に収納して用いる態様に限らず、屋上の状態に応じて、図７，図８に示すように、灌水パイプ２４を縦方向Ｙに延びる各連続溝２３Ｂ内に収納して用いる態様がある。この場合には、各灌水パイプ２４からの水が、その各灌水パイプ２４を基準として横方向Ｘ両側において横方向Ｘに延びる各土収納溝７内に供給される。この水は、屋上設置面の水勾配に勝る土収納溝７の内底面１３の傾斜に基づき、図７，図８の矢印に示すように、横方向Ｘに積極的に流れる（浸透する）ことになり、それに伴い、水はその土収納溝７内の土（図８では図示略）に供給され、余った水は、排出孔９から排出される。このため、この場合においても、土収納溝７に関しては、各灌水パイプ２４を基準として横方向両側に灌水範囲を極力拡げると共に、水が土収納溝７内に過剰に貯水されて植物が根腐れを起こすことを防止できる。これにより、水が芝生マット２７における芝生の根に的確に供給され、芝生は順調に育成される。
尚、本実施形態においては、横方向Ｘに延びる連続溝２３Ａ（灌水パイプ２４が収納されていない灌水パイプ収納溝４Ａ又は４Ｂが連続して構成されるもの）にも、灌水パイプ２４から水が供給され、その連続溝２３Ａ（連続溝２３Ａ内の土）の下でも、植物が育成される。 Moreover, in the rooftop greening structure 16, as described above, the irrigation pipe 24 is not limited to a mode in which the irrigation pipe 24 is stored and used in each continuous groove 23A extending in the lateral direction X, and depending on the state of the rooftop, FIG. As shown in FIG. 3, there is a mode in which the irrigation pipe 24 is housed in each continuous groove 23B extending in the longitudinal direction Y and used. In this case, water from each irrigation pipe 24 is supplied into each soil storage groove 7 extending in the lateral direction X on both sides of the lateral direction X with reference to each irrigation pipe 24. This water flows positively (permeates) in the lateral direction X as shown by the arrows in FIGS. 7 and 8 based on the inclination of the inner bottom surface 13 of the soil storage groove 7 which is superior to the water gradient of the rooftop installation surface. Accordingly, water is supplied to the soil (not shown in FIG. 8) in the soil storage groove 7, and excess water is discharged from the discharge hole 9. Therefore, in this case as well, with respect to the soil storage groove 7, the irrigation range is expanded as much as possible on both sides in the lateral direction with reference to each irrigation pipe 24, and the water is excessively stored in the soil storage groove 7 and the plant is rooted. Can be prevented. Thereby, water is accurately supplied to the grass roots in the grass mat 27, and the grass is cultivated smoothly.
In the present embodiment, water is also supplied from the irrigation pipe 24 to the continuous groove 23A extending in the lateral direction X (the irrigation pipe storage groove 4A or 4B in which the irrigation pipe 24 is not stored is continuously formed). The plant is grown even under the continuous groove 23A (soil in the continuous groove 23A).

図９〜図１８は第２実施形態を示す。この第２実施形態において、前記第１実施形態と同一構成要素については同一符号を付してその説明を省略する。   9 to 18 show a second embodiment. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

図９〜図１８に示す第２実施形態は、いわゆるポット植物（ポット苗）を育成する緑化用パネル１を示している。この第２実施形態においては、平面視正方形状の緑化用パネル１の上面に、前記第１実施形態同様、第１，第２灌水パイプ収納溝４Ａ，４Ｂが十字状に形成されており、その緑化用パネル１の上面は、第１，第２灌水パイプ収納溝４Ａ，４Ｂにより４つの領域Ｐ１〜Ｐ４に区画されている。各領域Ｐ１〜Ｐ４には、複数の嵩上げ部３が設けられて、それらの側面３ａにより植栽基盤材収納部としての土収納溝７が蛇行したような状態でそれぞれ形成されている。この各領域Ｐ１〜Ｐ４における土収納溝７は、第１及び第２灌水パイプ収納溝４Ａ，４Ｂに交差しており、その交差部分は、切り欠かれて、第１及び第２灌水パイプ収納溝４Ａ，４Ｂと各領域Ｐ１〜Ｐ４における土収納溝７とを連通させている。各領域Ｐ１〜Ｐ４における土収納溝７は、その内底面１３が第１及び第２灌水パイプ収納溝４Ａ，４Ｂの内底面４Ａａ，４Ｂａに対して段差をもって低くなっており、その各土収納溝７には、いわゆるポット植物２８（図１４参照）を収納できるようにすべく、略円筒状をなすポット植物収納部２９が複数形成されている。その各領域Ｐ１〜Ｐ４における略円筒状ポット植物収納部２９の内底面（土収納溝７の内底面）１３には、そのうちの１つ又は２つにおいて、排出孔９が形成されており、その１つの排出孔９については（領域Ｐ１，３）、第１及び第２灌水パイプ収納溝４Ａ，４Ｂから最も近い略円筒状ポット植物収納部２９の内底面１３に形成されている（図１１参照）。この場合、土収納溝７の内底面１３は、排出孔９を有するものの方が排出孔９を有しないものに比して低くなっており、その両者間における内底面１３は、図１２に示すように、傾斜面３０をもって形成されている（領域Ｐ１，Ｐ３参照）。本実施形態においては、上述の通り、１つの排出孔９を有する領域Ｐ１，Ｐ３に関しては、その排出孔９が第１及び第２灌水パイプ収納溝４Ａ，４Ｂから最も近い略円筒状ポット植物収納部２９の内底面１３に形成されているが、その排出孔９を、第１及び第２灌水パイプ収納溝４Ａ，４Ｂから最も遠い略円筒状ポット植物収納部２９の内底面に形成してもよい。灌水パイプ２４からの水の流れる範囲を拡げて、灌水範囲を極力拡大するためである。
尚、図９，図１１，図１２おいては、土の流失を防ぐ透水シート１１、その透水シート１１を排出孔９内の支持壁１０に押し付ける押さえ部材１２は省略されている。 The second embodiment shown in FIGS. 9 to 18 shows a greening panel 1 for growing a so-called pot plant (pot seedling). In the second embodiment, the first and second irrigation pipe housing grooves 4A and 4B are formed in a cross shape on the upper surface of the greening panel 1 in a square shape in plan view, as in the first embodiment. The upper surface of the greening panel 1 is divided into four regions P1 to P4 by first and second irrigation pipe storage grooves 4A and 4B. In each region P1 to P4, a plurality of raised portions 3 are provided, and soil storage grooves 7 serving as planting base material storage portions are formed in a meandering manner by their side surfaces 3a. The soil storage groove 7 in each of the regions P1 to P4 intersects the first and second irrigation pipe storage grooves 4A and 4B, and the intersecting portion is cut out to form the first and second irrigation pipe storage grooves. 4A and 4B and the soil storage groove 7 in each area | region P1-P4 are connected. The soil storage groove 7 in each of the regions P1 to P4 has an inner bottom surface 13 that is lower than the inner bottom surfaces 4Aa and 4Ba of the first and second irrigation pipe storage grooves 4A and 4B with a step difference. 7, a plurality of pot plant storage portions 29 having a substantially cylindrical shape are formed so that the so-called pot plants 28 (see FIG. 14) can be stored. In one or two of the inner bottom surface (inner bottom surface of the soil storage groove 7) 13 of the substantially cylindrical pot plant storage portion 29 in each of the regions P1 to P4, a discharge hole 9 is formed, One discharge hole 9 (region P1, 3) is formed on the inner bottom surface 13 of the substantially cylindrical pot plant storage part 29 closest to the first and second irrigation pipe storage grooves 4A, 4B (see FIG. 11). ). In this case, the inner bottom surface 13 of the soil storage groove 7 is lower when the discharge hole 9 is provided than when the discharge hole 9 is not provided, and the inner bottom surface 13 between the two is shown in FIG. Thus, it is formed with an inclined surface 30 (see regions P1 and P3). In the present embodiment, as described above, with respect to the regions P1 and P3 having one discharge hole 9, the substantially cylindrical pot plant storage in which the discharge hole 9 is closest to the first and second irrigation pipe storage grooves 4A and 4B. Although formed on the inner bottom surface 13 of the portion 29, the discharge hole 9 may be formed on the inner bottom surface of the substantially cylindrical pot plant storage portion 29 farthest from the first and second irrigation pipe storage grooves 4A, 4B. Good. This is because the range of water flowing from the irrigation pipe 24 is expanded to expand the irrigation range as much as possible.
9, 11, and 12, the water-permeable sheet 11 that prevents the soil from flowing away, and the pressing member 12 that presses the water-permeable sheet 11 against the support wall 10 in the discharge hole 9 are omitted.

本実施形態においては、各領域Ｐ１〜Ｐ４における土収納溝７内にできるだけ多くのポット植物２８を多く配置できるようにすべく、図１１に示すように、土収納溝７の溝端が緑化用パネル１の肉厚面から外部に開口されて、その土収納溝７の溝端部分が略半円筒状に形成されている。この略半円筒状の溝端部分３１は、隣り合うことになる別の緑化用パネル１における土収納溝の略半円筒状溝端部分３１と協働して、略円筒状のポット植物収納部２９を形成することになる。このような土収納溝７のうち、２つの溝端が略半円筒状溝端が緑化用パネル１の肉厚面から外部に開口されている場合（領域Ｐ２，Ｐ４）には、その各溝端よりも内側の略円筒状のポット植物収納部２９の内底面１３にそれぞれ排出孔１９が形成されている。この場合、その土収納溝７の内底面１３は、排出孔９を有するものの方が排出孔９を有しないものに比して低くなっている。   In this embodiment, as shown in FIG. 11, the groove end of the soil storage groove 7 is a greening panel so that as many pot plants 28 as possible can be arranged in the soil storage groove 7 in each region P1 to P4. 1 is opened to the outside from the thick surface, and the groove end portion of the soil storage groove 7 is formed in a substantially semi-cylindrical shape. The substantially semi-cylindrical groove end portion 31 cooperates with the substantially semi-cylindrical groove end portion 31 of the soil storage groove in another greening panel 1 to be adjacent to the substantially cylindrical pot plant storage portion 29. Will form. In such a soil storage groove 7, when two groove ends are substantially semi-cylindrical groove ends opened to the outside from the thick surface of the greening panel 1 (regions P <b> 2 and P <b> 4), the groove ends are more than the respective groove ends. A discharge hole 19 is formed in each of the inner bottom surfaces 13 of the inner substantially cylindrical pot plant storage part 29. In this case, the inner bottom surface 13 of the soil storage groove 7 is lower when the discharge hole 9 is provided than when the discharge hole 9 is not provided.

前記基板部２の下面（緑化用パネル１の下面）には、図１０に示すように、複数の排出溝１４が形成されている。各排出溝１４の内底面には、前記各排出孔９が開口されており、その各排出溝１４の溝端は、基板部２の肉厚面（周面）から外方に開口されている。また、この基板部２の下面には、各排出溝１４同士を互いに連絡する連絡溝３２が形成されている。このため、各排出孔９は、連絡溝３２及び各排出溝１４に連なることになり、複数の溝１４，３２を利用して水を排水できることになる。さらに、本実施形態においては、基板部２の下面側周縁部に切り欠き状の切り欠き段部３３が形成されている。このため、この切り欠き段部３３内には各排出溝１４の溝端が臨むことになると共に、緑化用パネル１が屋上設置面に敷き詰められた際、隣り合う各緑化用パネル１の下側周縁部に排出通路３５が形成されることになり、各排出溝１４の溝端からの排出性能が高まることになる（図１０，図１３参照）。   As shown in FIG. 10, a plurality of discharge grooves 14 are formed on the lower surface of the substrate portion 2 (the lower surface of the greening panel 1). Each discharge hole 9 is opened on the inner bottom surface of each discharge groove 14, and the groove end of each discharge groove 14 is opened outward from the thick surface (circumferential surface) of the substrate portion 2. In addition, on the lower surface of the substrate portion 2, a communication groove 32 that connects the discharge grooves 14 to each other is formed. Therefore, each discharge hole 9 is connected to the communication groove 32 and each discharge groove 14, and water can be drained using the plurality of grooves 14, 32. Further, in the present embodiment, a notch-shaped notch step portion 33 is formed on the lower surface side peripheral portion of the substrate portion 2. For this reason, the groove end of each discharge groove 14 faces in this notch step portion 33, and when the greening panel 1 is laid on the rooftop installation surface, the lower peripheral edge of each adjacent greening panel 1 Thus, the discharge passage 35 is formed in the portion, and the discharge performance from the end of each discharge groove 14 is enhanced (see FIGS. 10 and 13).

このような緑化用パネル１を屋上緑化構造１６に用いる場合も、図１４に示すように、前記第１実施形態同様、施工領域Ｓ内に緑化用パネル１が敷き詰められ、その各緑化用パネル１は、屋上のスラブ面１７に固定されている。この敷き詰められた緑化用パネル１には連続溝２３Ａ，２３Ｂが構成されており、本実施形態においては、そのうちの横方向Ｘに延びる連続溝２３Ａに、水を供給する灌水パイプ２４が収納されている。また、敷き詰められた緑化用パネル１における各ポット植物収納部２９内にはポット植物２８が収納されており、ポット植物２８は、ポット植物収納部２９により保持されている。この場合、ポット植物収納部２９に対するポット植物２８の収納数は、適宜、調整できることになっている。図１５は１平方メートル当たり１６個を収納した場合、図１６は１平方メートル当たり２４個を収納した場合、図１７は１平方メートル当たり３２個を収納した場合、図１８は１平方メートル当たり４８個を収納した場合を示している。この後、敷き詰められた緑化用パネル１の各溝７，２３Ａ，２３Ｂ内に土２５が充填され、その上からさらに覆土２６が施される。   When such a greening panel 1 is used for the rooftop greening structure 16, as shown in FIG. 14, the greening panel 1 is laid in the construction area S as in the first embodiment, and each of the greening panels 1 is arranged. Is fixed to the roof slab surface 17. The spread greening panel 1 has continuous grooves 23A and 23B. In the present embodiment, the continuous groove 23A extending in the lateral direction X of the irrigation pipe 24 for supplying water is housed. Yes. In addition, pot plants 28 are stored in the pot plant storage units 29 in the spread greening panels 1, and the pot plants 28 are held by the pot plant storage units 29. In this case, the number of pot plants 28 stored in the pot plant storage unit 29 can be adjusted as appropriate. 15 stores 16 pieces per square meter, FIG. 16 stores 24 pieces per square meter, FIG. 17 stores 32 pieces per square meter, and FIG. 18 stores 48 pieces per square meter. Shows the case. Thereafter, the soil 25 is filled into the grooves 7, 23A, 23B of the greening panel 1 spread, and a covering soil 26 is further applied thereon.

この屋上緑化構造１６においては、各灌水パイプ２４からの水は、図１２の矢印に示すように、連続溝２３Ａが臨む土収納溝７内に落とし込むように供給され、その後、その水は、排出孔９へと流れる（領域Ｐ１，Ｐ３参照）。その間に、土収納溝７内に収納される土及びポット植物２８に水が的確に供給され、余った水は、排水として排出孔９から排出される。また、隣り合う他の緑化用パネル１からの水が、図１２の矢印（左向き矢印）に示すように、土収納溝７内に入り込むことがあるが、その場合には、その土収納溝７における内底面１３の傾斜面３０に案内されて排出孔９へ流れる（領域Ｐ１，Ｐ３参照）。この場合も、その間に、土収納溝７内に収納される土及びポット植物２８に水が的確に供給され、余った水は、排水として排出孔９から排出される。各緑化用パネル１の領域Ｐ２，Ｐ４に関しては、水が土収納溝７内に落とし込むように供給された後、その水は、連続溝２３Ａに最も近いポット植物収納部２９に設けられる排出孔９から排出される。尚、土収納溝７内には土が充填されるが、その土は、図１１，図１２においては、図示が略されている。   In this rooftop greening structure 16, the water from each irrigation pipe 24 is supplied so as to drop into the soil storage groove 7 facing the continuous groove 23A as shown by the arrow in FIG. 12, and then the water is discharged. It flows to the hole 9 (see the areas P1 and P3). Meanwhile, water is accurately supplied to the soil stored in the soil storage groove 7 and the pot plant 28, and the excess water is discharged from the discharge hole 9 as drainage. Further, water from other adjacent greening panels 1 may enter the soil storage groove 7 as indicated by the arrow (leftward arrow) in FIG. Is guided by the inclined surface 30 of the inner bottom surface 13 and flows into the discharge hole 9 (see regions P1 and P3). Also in this case, water is accurately supplied to the soil and the pot plant 28 stored in the soil storage groove 7 in the meantime, and the excess water is discharged from the discharge hole 9 as drainage. Regarding the regions P2 and P4 of each greening panel 1, after water is supplied so as to drop into the soil storage groove 7, the water is discharged to the discharge hole 9 provided in the pot plant storage part 29 closest to the continuous groove 23A. Discharged from. The soil storage groove 7 is filled with soil, but the soil is not shown in FIGS.

この屋上緑化構造１６においては、灌水パイプ２４を横方向Ｘに延びる各連続溝２３Ａ内に収納して用いる態様に限らず、屋上の状態に応じて、灌水パイプ２４を縦方向Ｙに延びる各連続溝２３Ｂ内に収納して用いることができるが、その態様の場合においても、上述の作用と同様のものとなる。   In this rooftop greening structure 16, the irrigation pipe 24 is not limited to a mode in which the irrigation pipe 24 is housed in each continuous groove 23 </ b> A extending in the lateral direction X, and the continuous irrigation pipe 24 extends in the vertical direction Y depending on the rooftop state. Although it can be used by being housed in the groove 23B, even in this case, the same effect as described above is obtained.

尚、本発明の目的は、明記されたものに限らず、実質的に好ましい或いは利点として記載されたものに対応したものを提供することをも含むものである。   It should be noted that the object of the present invention is not limited to what is explicitly described, but includes provision of what is substantially preferable or corresponding to what is described as an advantage.

１ 緑化用パネル
２ 基板部
２ｂ 基板部の下面
３ 嵩上げ部
３Ａａ 周縁嵩上げ部の内側側面
３Ｂａ 内側嵩上げ部の外側側面
３ａ 嵩上げ部の側面
４Ａ 第１灌水パイプ収納溝（灌水パイプ収納溝）
４Ａａ 第１灌水パイプ収納溝の内底面
４Ｂ 第２灌水パイプ収納溝（灌水パイプ収納溝）
４Ｂａ 第２灌水パイプ収納溝の内底面
７Ａ，７Ａａ１，７Ａａ２，７Ａｂ１，７Ａｂ２ 第１土収納溝（植栽基盤材収納部）
７Ｂ，７Ｂａ１，７Ｂａ２，７Ｂｂ１，７Ｂｂ２ 第２土収納溝（植栽基盤材収納部）
９ 排出孔
１３Ａ 第１土収納溝の内底面
１３Ｂ 第２土収納溝の内底面
１３ 土収納溝の内底面
１４ 排出溝
１６ 屋上緑化構造
２３Ａ 横方向に延びる連続溝
２３Ｂ 縦方向に延びる連続溝
３０ 傾斜面
３２ 連絡溝
３３ 切り欠き段部
DESCRIPTION OF SYMBOLS 1 Panel for greening 2 Substrate part 2b Lower surface of substrate part 3 Raised part 3Aa Inner side surface of peripheral raised part 3Ba Outer side face of inner raised part 3a Side face of raised part 4A 1st irrigation pipe accommodation groove (irrigation pipe accommodation groove)
4Aa Inner bottom surface of first irrigation pipe storage groove 4B Second irrigation pipe storage groove (irrigation pipe storage groove)
4Ba Inner bottom surface of second irrigation pipe storage groove 7A, 7Aa1, 7Aa2, 7Ab1, 7Ab2 First soil storage groove (planting base material storage part)
7B, 7Ba1, 7Ba2, 7Bb1, 7Bb2 Second soil storage groove (planting base material storage part)
9 Discharge hole 13A Inner bottom surface of first soil storage groove 13B Inner bottom surface of second soil storage groove 13 Inner bottom surface of soil storage groove 14 Discharge groove 16 Green roof structure 23A Continuous groove extending in the horizontal direction 23B Continuous groove extending in the vertical direction 30 Inclined surface 32 Communication groove 33 Notch step

Claims (11)

基板部上に複数の嵩上げ部が上方に突出した状態で一体的に設けられ、該複数の嵩上げ部の隣り合う側面により植栽基盤材を収納するための植栽基盤材収納部が区画されている緑化用パネルにおいて、
上面に、灌水パイプを収納するための灌水パイプ収納溝が前記植栽基盤材収納部に交差しつつ前記基板部を横切るように形成され、
前記灌水パイプ収納溝内が、該灌水パイプ収納溝と前記植栽基盤材収納部との交差部において、該植栽基盤材収納部内に臨むように形成され、
前記植栽基盤材収納部の内底面に、前記基板部の下面側に連通する排出孔が開口され、
前記灌水パイプ収納溝の内底面が、前記排出孔よりも高い位置に位置されている、
ことを特徴とする緑化用パネル。 A plurality of raised portions are integrally provided on the substrate portion so as to protrude upward, and a planting base material storage portion for storing the planting base material is partitioned by adjacent side surfaces of the plurality of raised portions. In the greening panel
On the upper surface, an irrigation pipe storage groove for storing the irrigation pipe is formed so as to cross the substrate part while intersecting the planting base material storage part,
The irrigation pipe storage groove is formed so as to face the planting base material storage part at the intersection of the irrigation pipe storage groove and the planting base material storage part,
On the inner bottom surface of the planting base material storage part, a discharge hole communicating with the lower surface side of the substrate part is opened,
The inner bottom surface of the irrigation pipe storage groove is located at a position higher than the discharge hole,
A greening panel characterized by this. 請求項１において、
前記植栽基盤材収納部が、溝状に形成されて、前記灌水パイプ収納溝と前記排出孔との間に掛け渡されるように延び、
前記植栽基盤材収納部の内底面が、前記灌水パイプ収納溝から前記排出孔に向うに従って低くなるように傾斜されている、
ことを特徴とする緑化用パネル。 In claim 1,
The planting base material storage portion is formed in a groove shape and extends so as to be spanned between the irrigation pipe storage groove and the discharge hole,
The bottom surface of the planting base material storage portion is inclined so as to become lower from the irrigation pipe storage groove toward the discharge hole,
A greening panel characterized by this. 請求項２において、
前記基板部が、平面視略四角形状に形成され、
前記灌水パイプ収納溝が、前記基板部における一方の組の対向する辺部間を横切るように延び、
前記排出孔が、前記他方の組の対向する辺部側にそれぞれ位置され、
前記植栽基盤材収納部が、前記基板部上に前記一方の組の対向する辺部に略平行となるように複数形成され、
前記各植栽基盤材収納部が、前記灌水パイプ収納溝と前記各排出孔との間にそれぞれ掛け渡されている、
ことを特徴とする緑化用パネル。 In claim 2,
The substrate portion is formed in a substantially rectangular shape in plan view,
The irrigation pipe storage groove extends across one set of opposing sides in the substrate part,
The discharge holes are respectively positioned on opposite sides of the other set;
A plurality of the planting base material storage portions are formed on the substrate portion so as to be substantially parallel to opposing sides of the one set,
Each planting base material storage section is spanned between the irrigation pipe storage groove and each discharge hole, respectively.
A greening panel characterized by this. 請求項２において、
前記基板部が、平面視略正方形状に形成され、
前記灌水パイプ収納溝が、前記基板部における一方の組の対向する辺部間をその辺部の延び方向略中央において横切るように延びる第１灌水パイプ収納溝と、該基板部における他方の組の対向する辺部間をその辺部の延び方向略中央において横切るように延びる第２灌水パイプ収納溝と、を備え、
前記排出孔が、前記第１灌水パイプ収納溝を基準として、前記他方の組の対向する辺部側に位置される第１排出孔と、前記第２灌水パイプ収納溝を基準として、前記一方の組の対向する辺部側に位置される第２排出孔と、を備え、
前記植栽基盤材収納部が、前記基板部上に前記一方の組の対向する辺部に略平行となるように形成されて前記第１灌水パイプ収納溝と前記各第１排出孔との間に掛け渡される第１植栽基盤材収納部と、前記基板部上に前記他方の組の対向する辺部に略平行となるように形成されて前記第２灌水パイプ収納溝と前記各第２排出孔との間に掛け渡される第２植栽基盤材収納部と、を備えている、
ことを特徴とする緑化用パネル。 In claim 2,
The substrate portion is formed in a substantially square shape in plan view,
The first irrigation pipe storage groove that extends so that the irrigation pipe storage groove crosses between one pair of opposing sides of the substrate portion at a substantially center in the extending direction of the side portion, and the other set of the substrate portion. A second irrigation pipe storage groove extending across the opposing side portions so as to cross at the center in the extending direction of the side portions,
The first discharge hole located on the opposite side of the other set with respect to the first irrigation pipe storage groove and the one of the second irrigation pipe storage groove as a reference. A second discharge hole located on the opposite side of the set,
The planting base material storage portion is formed on the substrate portion so as to be substantially parallel to the opposing side portions of the one set, and between the first irrigation pipe storage groove and the first discharge holes. A first planting base material storage part that is stretched over the second irrigation pipe storage groove and each of the second irrigation pipe storage grooves formed on the base plate part so as to be substantially parallel to the opposite side of the other set. A second planting base material storage section spanned between the discharge holes,
A greening panel characterized by this. 請求項１において、
前記灌水パイプ収納溝の内底面が、前記植栽基盤材収納部の内底面に対して段差をもって高くなっている、
ことを特徴とする緑化用パネル。 In claim 1,
The inner bottom surface of the irrigation pipe storage groove is higher than the inner bottom surface of the planting base material storage part with a step,
A greening panel characterized by this. 請求項５において、
前記植栽基盤材収納部の内底面が、前記排出孔に近づくに従って低くなっている、
ことを特徴とする緑化用パネル。 In claim 5,
The inner bottom surface of the planting base material storage part is lowered as it approaches the discharge hole,
A greening panel characterized by this. 請求項５又は６において、
前記植栽基盤材収納部に、ポット状の植物を収納するための略円筒状のポット植物収納部が形成されている、
ことを特徴とする緑化用パネル。 In claim 5 or 6,
In the planting base material storage part, a substantially cylindrical pot plant storage part for storing pot-shaped plants is formed,
A greening panel characterized by this. 請求項１において、
前記基板部の下面に、方向を異にする複数の排出溝が交差するように形成され、
前記複数の排出溝の交差部分に前記排出孔が開口され、
前記各排出溝の溝端が、前記基板部の周面から外方に向けて開口されている、
ことを特徴とする緑化用パネル。 In claim 1,
A plurality of discharge grooves having different directions intersect with each other on the lower surface of the substrate portion,
The discharge hole is opened at an intersection of the plurality of discharge grooves,
A groove end of each discharge groove is opened outward from the peripheral surface of the substrate portion,
A greening panel characterized by this. 請求項１において、
前記植栽基盤材収納部が、複数設けられ、
前記排出孔が、前記各植栽基盤材収納部の内底面にそれぞれ開口され、
前記基板部の下面に複数の排出溝が、該各排出溝の溝端が前記基板部の周面から外方に向けて開口するようにそれぞれ形成され、
前記各排出孔が、前記各排出溝内にそれぞれ開口され、
前記基板部の下面に、前記各排出溝同士を互いに連絡する連絡溝が形成されている、
ことを特徴とする緑化用パネル。 In claim 1,
A plurality of the planting base material storage sections are provided,
The discharge holes are respectively opened on the inner bottom surface of each planting base material storage unit,
A plurality of discharge grooves are formed on the lower surface of the substrate part, respectively, such that the groove ends of the discharge grooves are opened outward from the peripheral surface of the substrate part,
Each of the discharge holes is opened in each of the discharge grooves,
On the lower surface of the substrate portion, a communication groove that connects the discharge grooves to each other is formed,
A greening panel characterized by this. 請求項８又は９において、
前記基板部の下面周縁部に切り欠き状の切り欠き段部が形成され、
前記切り欠き段部内に、前記各排出溝の溝端が臨んでいる、
ことを特徴とする緑化用パネル。 In claim 8 or 9,
A notch-shaped notch step portion is formed on the lower surface periphery of the substrate portion,
A groove end of each discharge groove faces the notch step,
A greening panel characterized by this. 屋上の設置面上に複数の請求項１に係る緑化用パネルが、該各請求項１に係る緑化用パネルにおける灌水パイプ収納溝が連続するように敷設され、
前記連続する複数の灌水パイプ収納溝内に、灌水パイプが跨るようにして収納され、
前記各緑化パネルの植栽基盤材収納部内及び前記連続する複数の灌水パイプ収納溝内に植栽基盤材が充填されている、
ことを特徴とする屋上緑化構造。

A plurality of greening panels according to claim 1 are laid on a rooftop installation surface so that irrigation pipe storage grooves in the greening panels according to each claim 1 are continuous,
In the plurality of continuous irrigation pipe storage grooves, the irrigation pipe is stored so as to straddle,
The planting base material is filled in the planting base material storage part of each greening panel and in the plurality of continuous irrigation pipe storage grooves,
A rooftop greening structure characterized by that.

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