JP2005048545A - Roof structure and greening roof structure - Google Patents

Roof structure and greening roof structure Download PDF

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JP2005048545A
JP2005048545A JP2003283980A JP2003283980A JP2005048545A JP 2005048545 A JP2005048545 A JP 2005048545A JP 2003283980 A JP2003283980 A JP 2003283980A JP 2003283980 A JP2003283980 A JP 2003283980A JP 2005048545 A JP2005048545 A JP 2005048545A
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roof
roof structure
folded
vegetation
plate portion
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Yasuyuki Sugiura
康之 杉浦
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Miki Corp
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Miki 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

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof structure which facilitates construction work, vegetation work, and repairing work, and improves the water retentivity and the draining performance of a culture medium, and to provide a greening roof structure. <P>SOLUTION: According to the roof structure, a roof surface is stepwise inclined with a gradient θ1 by roofing a building with a plurality of folded plates 3 each having a predetermined shape. Then culture mats for vegetation are bedded on and secured to the stepwise flat surface, to thereby implement the greening roof structure. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、家屋の緑化屋根に好適な屋根構造及び緑化屋根構造に関する。   The present invention relates to a roof structure suitable for a green roof of a house and a green roof structure.

近年、家屋の屋根に植生を施した緑化屋根が普及しつつある。緑化屋根は、家屋の装飾に寄与するばかりでなく、夏場には植生の蒸散作用等により建物内部の温度上昇を抑える効果があり、冷房装置の省力化を図ることができることで注目を集めている。緑化のための屋根構造については、例えば、下記の特許文献１乃至６に記載されている。   In recent years, green roofs with vegetation on the roofs of houses are becoming popular. The green roof not only contributes to the decoration of the house, but also has the effect of suppressing the temperature rise inside the building due to the transpiration of vegetation in summer, and is attracting attention because it can save labor in the cooling system . About the roof structure for greening, it describes in the following patent documents 1 thru | or 6, for example.

特許文献１には、屋根表面の葺材に泥土が添設される屋根構造が開示される。葺材には水密性を有するものが使用され、その表面に相隣る複数の段差部が形成される。各段差部は仕切壁により形成される。各段差部には泥土が充填され、その泥土に植生が施される。   Patent Document 1 discloses a roof structure in which mud is attached to a roof material on a roof surface. A material having water-tightness is used for the brazing material, and a plurality of adjacent step portions are formed on the surface. Each step is formed by a partition wall. Each step is filled with mud and the mud is vegetated.

特許文献２には、折板屋根を利用した緑化システムが記載される。折板屋根の構造は、通常のＶ形板を葺いたもので、屋根の斜面方向に沿って多数の山部と谷部が交互に平行に伸びる。この折板屋根の谷部内に、植物栽培用の培地を収容した所定長さの植物栽培容器を、その長さ方向を折板の流れ方向に向けて谷部内に突出させてセットしている。   Patent Document 2 describes a greening system using a folded plate roof. The structure of the folded plate roof is obtained by rolling a normal V-shaped plate, and a number of peaks and valleys alternately extend in parallel along the slope direction of the roof. A plant cultivation container of a predetermined length containing a medium for plant cultivation is set in the valley portion of the folded plate roof so as to protrude into the valley portion with its length direction facing the flow direction of the folded plate.

特許文献３には、底面部に適宜の間隔をおいて複数の立上り部が平行状に形成されてなる屋根板材が屋根の下地部に葺成された屋根構造が記載される。この屋根板材の底面部に植生のための栽培層が配置される。   Patent Document 3 describes a roof structure in which a roof plate material in which a plurality of rising portions are formed in parallel at an appropriate interval on a bottom surface portion is formed on a base portion of the roof. A cultivation layer for vegetation is disposed on the bottom surface of the roof plate material.

特許文献４には、底部とその底部の幅方向両側に形成された連結部とからなる溝板と、その溝板の幅方向寸法にほぼ等しく、かつ長手方向にほぼ直交して装着される仕切材とを備えた屋根構造が記載される。溝板の長手方向は水上側から水下側に向かうようにして下地部に複数配置されるとともに、仕切材は溝板の長手方向に沿って所定間隔に複数装着される。仕切材の箇所には、排水開口が形成され、かつ底部と仕切材による領域には植生のための土壌マットが配置される。   Patent Document 4 discloses a groove plate composed of a bottom portion and connecting portions formed on both sides in the width direction of the bottom portion, and a partition mounted substantially equal to the width direction dimension of the groove plate and substantially orthogonal to the longitudinal direction. A roof structure with materials is described. A plurality of longitudinal directions of the groove plates are arranged on the base portion so as to go from the water upper side to the water lower side, and a plurality of partition members are mounted at predetermined intervals along the longitudinal direction of the groove plates. A drainage opening is formed at the part of the partition material, and a soil mat for vegetation is arranged in an area formed by the bottom and the partition material.

特許文献５には、山形部が所定間隔で連続する折板屋根と、その折板屋根の山形部の頂部箇所に設けられる支持具と、その支持具にて山形部に固定される溝板とを備え、折板屋根の山形部の長手方向と溝板の長手方向とがほぼ直交するようにして山形部の頂部に複数の溝板が並設される屋根構造が記載される。この構造では、溝板に植生用の植栽マット材が敷設される。   Patent Document 5 includes a folded plate roof in which a chevron portion is continuous at a predetermined interval, a support provided at a top portion of the chevron portion of the folded plate roof, and a groove plate fixed to the chevron by the support tool. A roof structure is described in which a plurality of groove plates are arranged in parallel at the top of the mountain-shaped portion so that the longitudinal direction of the mountain-shaped portion of the folded-plate roof and the longitudinal direction of the groove plate are substantially orthogonal to each other. In this structure, a planting mat material for vegetation is laid on the groove plate.

特許文献６には、特許文献５に記載された屋根構造に類似する構造が記載される。即ち、この屋根構造は、屋根構造部材の上部に設置した波形部材の波形頂部に、下地ボード、空気層、保水層、覆土層及び植生マットを順次積層してなる緑化層を固着具により設置するとともに、下地ボードと空気層との間に防水シートを介設している。   Patent Document 6 describes a structure similar to the roof structure described in Patent Document 5. That is, in this roof structure, a greening layer formed by sequentially laminating a base board, an air layer, a water retention layer, a cover soil layer, and a vegetation mat is installed on the corrugated top of the corrugated member installed on the roof structure member with a fixing tool. In addition, a waterproof sheet is interposed between the base board and the air layer.

特開平７−２３１７２２号公報（第２〜４頁，図１〜６）Japanese Patent Laid-Open No. 7-231722 (pages 2 to 4, FIGS. 1 to 6) 特開２０００−２６２１５２号公報（第２〜７頁，図１〜８）JP 2000-262152 A (pages 2-7, FIGS. 1-8) 特開２００２−３５６９６１号公報（第２〜９頁，図１〜９）Japanese Patent Laid-Open No. 2002-356916 (pages 2-9, FIGS. 1-9) 特開２００３−１８４２３７号公報（第２〜９頁，図１〜１４）JP 2003-184237 A (pages 2-9, FIGS. 1-14) 特開２００３−１８４２３８号公報（第２〜８頁，図１〜１５）JP 2003-184238 A (pages 2 to 8, FIGS. 1 to 15) 特開２００３−１４３９３９号公報（第２〜５頁，図１〜４）JP 2003-143939 A (pages 2-5, FIGS. 1-4)

ところが、特許文献１に記載の屋根構造では、野地板の表面に仕切壁を立てることから、その仕切板の固定が難しかった。また、段差部に充填される泥土により構造重量が増える傾向があった。更に、屋根表面が泥土で覆われることから、植生完成後に屋根上に人が立ち入ることが難しく、植生の部分的な枯損に対する補修作業が難しかった。   However, in the roof structure described in Patent Document 1, since the partition wall is set up on the surface of the field plate, it is difficult to fix the partition plate. In addition, the structure weight tends to increase due to the mud filled in the stepped portion. Further, since the roof surface is covered with mud, it is difficult for people to enter the roof after the vegetation is completed, and it is difficult to repair the vegetation partially.

また、特許文献２に記載の屋根構造では、折板の谷部が屋根の斜面に沿って傾斜していることから、その谷部内にセットされる植物栽培容器も傾いて配置されることになる。このため、この容器に対する給水が傾斜方向へ流下し易く、培地の保水低下を早める傾向にあった。   Moreover, in the roof structure of patent document 2, since the trough part of a folded plate inclines along the slope of a roof, the plant cultivation container set in the trough part is also inclined and arrange | positioned. . For this reason, the water supply with respect to this container tends to flow in the inclination direction, and it has the tendency to accelerate | stimulate the water retention fall of a culture medium.

また、特許文献３及び４に記載の屋根構造では、屋根板材や溝板が屋根の斜面に沿って傾斜していることから、その底面部及び底部に配置される栽培層や土壌マットも傾くことになる。このため、この栽培層や土壌マットに対する給水が傾斜方向へ流下し易く、栽培層などの保水低下を早める傾向にあった。   Moreover, in the roof structure of patent document 3 and 4, since the roof board | plate material and a groove board incline along the slope of a roof, the cultivation layer and soil mat arrange | positioned at the bottom face part and the bottom part also incline. become. For this reason, the water supply with respect to this cultivation layer and a soil mat was easy to flow in the inclination direction, and there existed a tendency for the water retention fall of a cultivation layer etc. to be accelerated.

また、特許文献５及び６に記載の屋根構造では、屋根に葺かれた折板上に、複数の溝板を更に並設しなければならず、構造が複雑で多数の構成部品が必要になった。   Further, in the roof structures described in Patent Documents 5 and 6, a plurality of groove plates must be further arranged on the folded plate wound on the roof, and the structure is complicated and a large number of components are required. It was.

この発明は上記事情に鑑みてなされたものであって、その目的は、建築が容易で、植生の施工作業や補修作業が容易で、植生培地の保水性と排水性が良好な屋根構造及び緑化屋根構造を提供することにある。   The present invention has been made in view of the above circumstances, and its purpose is that the building is easy to construct, the vegetation construction work and the repair work are easy, and the water retention and drainage properties of the vegetation medium are good and greening. It is to provide a roof structure.

上記目的を達成するために、請求項１に記載の発明は、所定形状をなす複数の折板を葺くことにより屋根表面をその勾配に沿って階段状に構成したことを趣旨とする。   In order to achieve the above object, the invention described in claim 1 is characterized in that the roof surface is formed in a step shape along the gradient by rolling a plurality of folded plates having a predetermined shape.

上記発明の構成によれば、所定形状をなす複数の折板を葺くだけで屋根表面が階段状に構成される。平坦面が屋根表面の勾配に沿って複数段形成されるので、各段毎に植生を施すことにより、屋根表面全体が緑化される。各段が平坦面をなすことから、施された植生が水平に保持される。平坦面上にて溢れた水は、下方の段へ流下することになる。   According to the structure of the said invention, a roof surface is comprised by the staircase shape only by rolling the some folded plate which makes predetermined shape. Since the flat surface is formed in a plurality of steps along the gradient of the roof surface, the entire roof surface is greened by applying vegetation for each step. Since each step forms a flat surface, the applied vegetation is held horizontally. The water overflowing on the flat surface will flow down to the lower stage.

上記目的を達成するために、請求項２に記載の発明は、請求項１に記載の発明において、折板は、勾配と直交する方向へ伸びる平板部と、平板部の長手方向の一側に沿って立ち上がる上側板部と、平板部の長手方向の他側に沿って立ち下がる下側板部とを備えたことを趣旨とする。   In order to achieve the above object, according to a second aspect of the present invention, in the first aspect of the present invention, the folded plate has a flat plate portion extending in a direction orthogonal to the gradient, and a longitudinal side of the flat plate portion. It is intended to include an upper plate portion that rises along a lower plate portion that falls along the other side in the longitudinal direction of the flat plate portion.

上記発明の構成によれば、請求項１に記載の発明の作用に加え、長手方向の側辺を互いに平行にして配置した複数の折板につき、隣り合う二つの折板の上側板部と下側板部を互いに重ね合わせてつなげるだけで、複数の折板が葺かれて屋根表面が階段状に形成される。   According to the configuration of the invention described above, in addition to the operation of the invention according to the first aspect, the upper side plate portion and the lower side of the two adjacent folded plates are arranged with respect to the plurality of folded plates arranged with the longitudinal sides being parallel to each other. By simply overlapping and connecting the side plate portions, a plurality of folded plates are rolled up and the roof surface is formed in a staircase shape.

上記目的を達成するために、請求項３に記載の発明は、請求項１に記載の発明において、折板は、所定幅をもって勾配の方向に沿って伸びると共に階段状に折り曲げ形成されることを趣旨とする。   In order to achieve the above object, according to a third aspect of the present invention, in the first aspect of the present invention, the folded plate extends along the direction of the gradient with a predetermined width and is bent in a step shape. The purpose.

上記発明の構成によれば、請求項１に記載の発明の作用に加え、長手方向の側辺を互いに平行にして配置した複数の折板につき、隣り合う二つの折板の側辺部を互いに重ね合わせてつなげるだけで、複数の折板が葺かれて屋根表面が階段状に形成される。   According to the configuration of the invention described above, in addition to the operation of the invention according to claim 1, the side portions of the two adjacent folded plates are connected to each other with respect to the plurality of folded plates arranged with the longitudinal sides parallel to each other. By simply overlapping and connecting, a plurality of folded plates are rolled and the roof surface is formed in a staircase shape.

上記目的を達成するために、請求項４に記載の発明は、請求項１乃至３の何れか一つに記載の発明において、隣接する二つの折板の一部が互いに重ねられ、その重ね部分にシール材が介在したことを趣旨とする。   In order to achieve the above object, according to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, a part of two adjacent folded plates are overlapped with each other, and the overlapped portion. The purpose is that a sealing material is interposed between the two.

上記発明の構成によれば、請求項１乃至３の何れか一つに記載の発明の作用に加え、隣接する二つの折板につき、重ね部分にシール材が介在したので、重ね部分に水密性が得られる。   According to the configuration of the above invention, in addition to the operation of the invention according to any one of claims 1 to 3, since the sealing material is interposed in the overlapping portion between two adjacent folded plates, the watertightness in the overlapping portion. Is obtained.

上記目的を達成するために、請求項５に記載の発明は、所定形状をなす複数の折板を葺くことにより屋根表面をその勾配に沿って階段状に構成し、それら階段状の平坦面上に植生用の培養マットを敷き詰めたことを趣旨とする。   In order to achieve the above-mentioned object, the invention according to claim 5 is configured such that the roof surface is stepped along the gradient by rolling a plurality of folded plates having a predetermined shape, and the stepped flat surface is formed. The purpose is to spread a culture mat for vegetation on top.

上記発明の構成によれば、所定形状をなす複数の折板を葺くことにより屋根表面が階段状に構成されるので、構造が簡単である。平坦面が屋根表面の勾配に沿って複数段形成されるので、各段毎に植生用の培養マットを敷き詰めることにより、屋根表面全体を緑化することが可能となる。各段が平坦面であることから、敷き詰められた培養マットが水平に保持される。平坦面上にて溢れた水は、下方の段へ流下することになる。   According to the structure of the said invention, since the roof surface is comprised in step shape by rolling up the some folded plate which makes predetermined shape, a structure is simple. Since the flat surface is formed in a plurality of stages along the gradient of the roof surface, the entire roof surface can be greened by laying a culture mat for vegetation on each stage. Since each step is a flat surface, the spread culture mat is held horizontally. The water overflowing on the flat surface will flow down to the lower stage.

請求項１に記載の発明によれば、屋根の建築作業及び屋根葺き作業を容易なものにすることができ、植生の施工作業や補修作業を容易なものにすることができ、培養マット等の植生培地の保水性と排水性を向上させて良好なものにすることができる。   According to the first aspect of the present invention, roof construction work and roofing work can be facilitated, vegetation construction work and repair work can be facilitated, and culture mats, etc. The water retention and drainage properties of the vegetation medium can be improved and improved.

請求項２に記載の発明によれば、折板の所定形状を断面鉤形に特定することにより、請求項１に記載の発明と同様の効果を得ることができる。   According to the second aspect of the invention, the same effect as that of the first aspect of the invention can be obtained by specifying the predetermined shape of the folded plate as a cross-sectional shape.

請求項３に記載の発明によれば、折板の所定形状を断面階段形に特定することにより、請求項１に記載の発明と同様の効果を得ることができる。   According to the third aspect of the invention, the same effect as that of the first aspect of the invention can be obtained by specifying the predetermined shape of the folded plate as a stepped cross section.

請求項４に記載の発明によれば、請求項１乃至３の何れか一つに記載の発明の効果に加え、屋根の表面から裏側への水漏れを防止することができる。   According to the invention described in claim 4, in addition to the effect of the invention described in any one of claims 1 to 3, it is possible to prevent water leakage from the surface of the roof to the back side.

請求項５に記載の発明によれば、屋根の建築作業及び屋根葺き作業を容易なものにすることができ、植生の施工作業や補修作業を容易なものにすることができ、培養マットの保水性と排水性を向上させて良好なものにすることができる。   According to the invention described in claim 5, roof construction work and roofing work can be facilitated, vegetation construction work and repair work can be facilitated, and water retention of the culture mat It is possible to improve the property and drainage property.

［第１実施形態］
以下、本発明の屋根構造及び緑化屋根構造を具体化した第１実施形態を図面を参照して詳細に説明する。 [First Embodiment]
Hereinafter, a first embodiment in which a roof structure and a green roof structure of the present invention are embodied will be described in detail with reference to the drawings.

図１に、家屋１の屋根構造を斜視図により示す。図２に、家屋１の屋根構造を側面図により示す。この屋根構造は、切妻形の屋根２に具体化したものであり、屋根２の表面がその勾配θ１に沿って階段状に構成される。階段状の屋根２の表面は金属製の複数の折板３を葺くことにより構成される。   In FIG. 1, the roof structure of the house 1 is shown with a perspective view. In FIG. 2, the roof structure of the house 1 is shown with a side view. This roof structure is embodied as a gable-shaped roof 2, and the surface of the roof 2 is configured in a staircase pattern along the gradient θ1. The surface of the step-like roof 2 is formed by rolling a plurality of metal folded plates 3.

図３に、図２の破線円の中を拡大断面図により示す。図２，３に示すように、屋根２の勾配θ１を確保するように斜めに支持された桁４の上には、複数本のタルキ５が所定間隔をもって互いに平行に配列され、固定される。この実施形態では、桁４は、Ｈ鋼材より構成される。タルキ５は、角パイプより構成される。これら複数のタルキ５の上に、断面鉤形をなす複数の折板３が、隣接する二つの折板３の一部を互いに重ね合わせながら配列され、ボルト及びナット等の固定手段（図示略）によりタルキ５に対して固定される。   FIG. 3 is an enlarged sectional view showing the inside of the broken-line circle in FIG. As shown in FIGS. 2 and 3, a plurality of talc 5 are arranged in parallel with each other at a predetermined interval and fixed on a girder 4 that is supported obliquely so as to ensure the gradient θ <b> 1 of the roof 2. In this embodiment, the girder 4 is made of H steel. The talc 5 is composed of a square pipe. On these talc 5, a plurality of folded plates 3 having a bowl-shaped cross section are arranged while overlapping a part of two adjacent folded plates 3 with each other, and fixing means (not shown) such as bolts and nuts. To fix the talc 5.

図４に、一つの折板３を斜視図により示す。この折板３は、屋根２の勾配θ１と直交する方向へ伸びる平板部３ａと、その平板部３ａの長手方向の一側に沿って立ち上がる上側板部３ｂと、平板部３ａの長手方向の他側に沿って立ち下がる下側板部３ｃとを備える。折板３の表面には、防錆加工や断熱加工が施される。この実施形態で、折板３の長手方向の長さＬ１は、家屋１の屋根２の横幅と同じである。上側板部３ｂの高さＨ１と、下側板部３ｃの高さＨ２は、互いに同じである。この実施形態では、上側板部３ｂ及び下側板部３ｃの高さＨ１，Ｈ２が「１０ｃｍ」に、平板部３ａの幅Ｗ１が「４５ｃｍ」に設定される。   FIG. 4 is a perspective view showing one folded plate 3. The folded plate 3 includes a flat plate portion 3a extending in a direction orthogonal to the gradient θ1 of the roof 2, an upper plate portion 3b rising along one side in the longitudinal direction of the flat plate portion 3a, and other longitudinal directions of the flat plate portion 3a. And a lower plate portion 3c that falls along the side. The surface of the folded plate 3 is subjected to rust prevention processing and heat insulation processing. In this embodiment, the length L1 of the folded plate 3 in the longitudinal direction is the same as the lateral width of the roof 2 of the house 1. The height H1 of the upper plate portion 3b and the height H2 of the lower plate portion 3c are the same. In this embodiment, the heights H1 and H2 of the upper plate portion 3b and the lower plate portion 3c are set to “10 cm”, and the width W1 of the flat plate portion 3a is set to “45 cm”.

この実施形態では、図３に示すように、長手方向を互いに平行にして配置した複数の折板３につき、隣り合う二つの折板３の上側板部３ｂと下側板部３ｃとが互いに重ねられ、その重ね部分にシール材６が介在している。   In this embodiment, as shown in FIG. 3, the upper plate portion 3 b and the lower plate portion 3 c of two adjacent folded plates 3 are overlapped with each other with respect to the plurality of folded plates 3 arranged in parallel with each other in the longitudinal direction. The sealing material 6 is interposed in the overlapped portion.

次に、上記した屋根構造を含む緑化屋根構造について説明する。図５に、その緑化屋根構造を側面図により示す。図５に示すように、階段状の各平坦面上には、植生用の培養マット７が多数敷き詰められる。即ち、各折板３の平板部３ａ上に、その長手方向に沿って複数の培養マット７が直列に並べられる。各培養マット７は、その表面に植生８を有する。各培養マット７は、ベルト等の固定手段（図示略）により、折板３に対して固定される。   Next, a green roof structure including the above-described roof structure will be described. FIG. 5 is a side view showing the green roof structure. As shown in FIG. 5, a large number of culture mats 7 for vegetation are spread on each stepped flat surface. That is, a plurality of culture mats 7 are arranged in series along the longitudinal direction on the flat plate portion 3 a of each folded plate 3. Each culture mat 7 has vegetation 8 on its surface. Each culture mat 7 is fixed to the folded plate 3 by fixing means (not shown) such as a belt.

図６に、培養マット７の原形を斜視図により示す。図７に、植生８を形成した培養マット７を斜視図により示す。この実施形態で、培養マット７は、椰子実の繊維の織布を袋状に縫製し、その袋内に特殊な培養土を充填することにより構成される。この培養マット７の表面には、多数のスリット７ａが形成される。これらスリット７ａから培養土に蒔かれた種子等を成長させることにより、図６に示すように、培養マット７の表面に植生８が形成される。この実施形態で、培養マット７の幅Ｗ２は、折板３の平板部３ａの幅Ｗ１と同じに設定される。培養マット７の高さＨ３は、折板３の上側板部３ｂ及び下側板部３ｃの高さＨ１，Ｈ２と同じに設定される。そして、図５に示すように、階段状の屋根２の各平坦面上に、培養マット７を、その幅Ｗ２と平板部３ａの幅Ｗ１とを整合させるように配置する。これにより、隣り合う培養マット７が互いに干渉することなく、多数の培養マット７が屋根２の全面に敷き詰められる。   In FIG. 6, the original form of the culture mat 7 is shown with a perspective view. FIG. 7 is a perspective view showing the culture mat 7 on which the vegetation 8 is formed. In this embodiment, the culture mat 7 is constructed by sewing a woven fabric of coconut fibers into a bag shape and filling the bag with a special culture soil. A large number of slits 7 a are formed on the surface of the culture mat 7. As shown in FIG. 6, vegetation 8 is formed on the surface of the culture mat 7 by growing seeds sown in the culture soil from the slits 7a. In this embodiment, the width W2 of the culture mat 7 is set to be the same as the width W1 of the flat plate portion 3a of the folded plate 3. The height H3 of the culture mat 7 is set to be the same as the heights H1 and H2 of the upper plate portion 3b and the lower plate portion 3c of the folded plate 3. And as shown in FIG. 5, the culture mat 7 is arrange | positioned on each flat surface of the step-like roof 2 so that the width W2 and the width W1 of the flat plate part 3a may be matched. Thereby, many culture mats 7 are spread over the entire surface of the roof 2 without the adjacent culture mats 7 interfering with each other.

以上説明した本実施形態の屋根構造及び緑化屋根構造によれば、断面鉤形をなす複数の折板３を葺くだけで屋根２の表面が階段状に構成される。特にこの実施形態では、長手方向の側辺を互いに平行にして配置した複数の折板３につき、隣り合う二つの折板３の上側板部３ｂと下側板部３ｃを互いに重ね合わせてつなげるだけで、複数の折板３が葺かれて屋根２の表面が階段状に形成される。このため、屋根２の建築作業及び屋根葺き作業を容易なものにすることができる。   According to the roof structure and the green roof structure of the present embodiment described above, the surface of the roof 2 is configured in a staircase shape simply by rolling a plurality of folded plates 3 having a cross-sectional shape. In particular, in this embodiment, the upper plate 3b and the lower plate 3c of the two adjacent folded plates 3 are simply overlapped and connected to each other with respect to the plurality of folded plates 3 arranged with the longitudinal sides being parallel to each other. The plurality of folded plates 3 are rolled up so that the surface of the roof 2 is formed in a staircase shape. For this reason, the construction work and roofing work of the roof 2 can be facilitated.

この実施形態の屋根構造及び緑化屋根構造によれば、水平方向へ延びる平坦面が屋根２の表面の勾配θ１に沿って複数段形成されるので、各段毎に複数の培養マット７を敷き詰めて固定することにより、屋根２の表面全体が緑化される。また、屋根２の表面が階段状をなすことから、屋根２における作業員の移動が容易となる。このため、培養マット７を敷き詰めて固定する植生施工作業を容易なものにすることができる。   According to the roof structure and the green roof structure of this embodiment, since the flat surface extending in the horizontal direction is formed in a plurality of steps along the gradient θ1 of the surface of the roof 2, a plurality of culture mats 7 are spread on each step. By fixing, the entire surface of the roof 2 is greened. Further, since the surface of the roof 2 has a stepped shape, the movement of the worker on the roof 2 is facilitated. For this reason, the vegetation construction work which spreads and fixes culture mat 7 can be made easy.

また、屋根２の表面に一旦敷き詰められた複数の培養マット７の一つにつき、植生が枯損したとき、作業者は、その枯損した培養マット７の位置まで階段状の屋根２を容易に移動することができる。また、その枯損した培養マット７だけを取り除き、正常な植生８を有する培養マット７と交換することができる。このため、植生の一部が枯損したときの植生捕集作業を容易なものにすることができる。   Further, when the vegetation is withered for one of the plurality of culture mats 7 once spread on the surface of the roof 2, the operator easily moves the stepped roof 2 to the position of the withdrawn culture mat 7. be able to. Moreover, only the withdrawn culture mat 7 can be removed and replaced with a culture mat 7 having normal vegetation 8. For this reason, vegetation collection work when a part of vegetation withered can be made easy.

この実施形態の屋根構造及び緑化屋根構造によれば、屋根２の階段状の各段が平坦面をなすことから、敷き詰められた培養マット７が水平に保持されて傾かない。従って、各培養マット７に与えられる雨水や給水は、培養マット７が傾かないことで流下し難い。このため、培養マット７の保水性を向上させて良好なものにすることができる。また、各段の平坦面上にて溢れた雨水や給水は、各段から下方の段へ自然流下することになる。このため、培養マット７の周囲に水が停滞することがなく、培養マット７の排水性を向上させて良好なものにすることができる。   According to the roof structure and the green roof structure of this embodiment, since the stepped steps of the roof 2 form a flat surface, the spread culture mat 7 is held horizontally and does not tilt. Therefore, rainwater and water supply given to each culture mat 7 are difficult to flow down because the culture mat 7 does not tilt. For this reason, the water retention of the culture mat 7 can be improved and improved. Moreover, rainwater and water supply overflowing on the flat surface of each stage will naturally flow down from each stage to the lower stage. For this reason, water does not stagnate around the culture mat 7, and the drainage of the culture mat 7 can be improved and improved.

この実施形態の屋根構造及び緑化屋根構造によれば、隣接する二つの折板３につき、重ね部分にシール材６が介在したので、重ね部分に水密性が得られる。このため、屋根２の表面から裏側への水漏れを防止することができる。   According to the roof structure and the green roof structure of this embodiment, since the sealing material 6 is interposed in the overlapping portion of the two adjacent folded plates 3, water tightness is obtained in the overlapping portion. For this reason, water leakage from the surface of the roof 2 to the back side can be prevented.

［第２実施形態］
次に、本発明の屋根構造及び緑化屋根構造を具体化した第２実施形態を図面を参照して詳細に説明する。 [Second Embodiment]
Next, a second embodiment in which the roof structure and the green roof structure of the present invention are embodied will be described in detail with reference to the drawings.

図８に、家屋１の屋根構造を斜視図により示す。この屋根構造は、切妻形の屋根２に具体化したものであり、屋根２の表面がその勾配θ１に沿って階段状に構成される。階段状の屋根２の表面は金属製の複数の折板１３を葺くことにより構成される。この実施形態では、屋根２の片方の傾斜に対して、四つの折板１３が使用される。   In FIG. 8, the roof structure of the house 1 is shown with a perspective view. This roof structure is embodied as a gable-shaped roof 2, and the surface of the roof 2 is configured in a staircase pattern along the gradient θ1. The surface of the step-like roof 2 is formed by rolling a plurality of metal folded plates 13. In this embodiment, four folded plates 13 are used for one inclination of the roof 2.

図９に、一つの折板１３を斜視図により示す。この実施形態では、この折板１３は、所定幅Ｗ３をもって、屋根２の勾配θ１の方向に沿って伸びると共に、階段状に折り曲げ形成される。折板１３の表面には、防錆加工や断熱加工が施される。この実施形態で、折板１３の長手方向の長さＬ３は、屋根２の傾斜の長さと同じである。折板１３の各平坦部１３ａの長さＬ４は、第１実施形態の折板３の幅Ｗ１と同じである。折板１３の段差部１３ｂの高さＨ５は、第１実施形態の折板３の高さＨ１，Ｈ２と同じである。   FIG. 9 is a perspective view showing one folded plate 13. In this embodiment, the folded plate 13 has a predetermined width W3 and extends along the direction of the gradient θ1 of the roof 2 and is bent in a step shape. The surface of the folded plate 13 is subjected to rust prevention processing and heat insulation processing. In this embodiment, the length L3 of the folded plate 13 in the longitudinal direction is the same as the inclination length of the roof 2. The length L4 of each flat portion 13a of the folded plate 13 is the same as the width W1 of the folded plate 3 of the first embodiment. The height H5 of the stepped portion 13b of the folded plate 13 is the same as the heights H1 and H2 of the folded plate 3 of the first embodiment.

この実施形態では、長手方向を互いに平行にして配置した複数の折板１３につき、隣り合う二つの折板１３の側辺部が互いに重ねられ、その重ね部分にシール材（図示略）が介在している。   In this embodiment, the side portions of two adjacent folded plates 13 are overlapped with each other with respect to the plurality of folded plates 13 arranged in parallel with each other in the longitudinal direction, and a sealing material (not shown) is interposed between the overlapping portions. ing.

また、この実施形態の屋根構造において、図５に示すと同様に、階段状の各平坦面上には、植生用の培養マット７が多数敷き詰められ、各培養マット７がベルト等の固定手段により、折板１３に対して固定される。このようにして、緑化屋根構造が構成される。   In the roof structure of this embodiment, as shown in FIG. 5, a large number of vegetation culture mats 7 are spread on each stepped flat surface, and each culture mat 7 is fixed by a fixing means such as a belt. , Fixed to the folded plate 13. In this way, a green roof structure is configured.

従って、この実施形態の屋根構造及び緑化屋根構造についても、折板１３を断面階段形に特定することにより、第１実施形態と同様の作用効果を得ることができる。   Therefore, also about the roof structure and greening roof structure of this embodiment, the same effect as 1st Embodiment can be acquired by specifying the folded plate 13 in cross-sectional step shape.

尚、この発明は前記各実施形態に限定されるものではなく、発明の趣旨を逸脱することのない範囲で構成の一部を適宜変更して実施することもできる。   Note that the present invention is not limited to the above-described embodiments, and a part of the configuration can be changed as appropriate without departing from the spirit of the invention.

例えば、第１実施形態では、図２に示す幅Ｗ１を「４５ｃｍ」に、高さＨ１，Ｈ２を「１０ｃｍ」に設定した。これに対し、図１０に示すように、幅Ｗ１を「９０ｃｍ」に、高さＨ１，Ｈ２を「１０ｃｍ」に設定してもよい。この場合、培養マット７の幅Ｗ２を、幅Ｗ１と同様の「９０ｃｍ」に設定してもよいし、第１実施形態における培養マット７を、各段毎に２列に並べるようにしてもよい。   For example, in the first embodiment, the width W1 shown in FIG. 2 is set to “45 cm”, and the heights H1 and H2 are set to “10 cm”. On the other hand, as shown in FIG. 10, the width W1 may be set to “90 cm” and the heights H1 and H2 may be set to “10 cm”. In this case, the width W2 of the culture mat 7 may be set to “90 cm” similar to the width W1, or the culture mats 7 in the first embodiment may be arranged in two rows for each stage. .

第１実施形態に係り、家屋の屋根構造を示す斜視図。The perspective view which concerns on 1st Embodiment and shows the roof structure of a house. 家屋の屋根構造を示す側面図。The side view which shows the roof structure of a house. 図２の破線円の中を示す拡大断面図。The expanded sectional view which shows the inside of the broken-line circle of FIG. 一つの折板を示す斜視図。The perspective view which shows one folded plate. 緑化屋根構造を示す側面図。The side view which shows a greening roof structure. 培養マットの原形を示す斜視図。The perspective view which shows the original form of a culture mat. 植生を形成した培養マットを示す斜視図。The perspective view which shows the culture mat which formed the vegetation. 第２実施形態に係り、家屋の屋根構造を示す斜視図。The perspective view which concerns on 2nd Embodiment and shows the roof structure of a house. 一つの折板を示す斜視図。The perspective view which shows one folded plate. 別の実施形態に係り、家屋の屋根構造を示す側面図。The side view which concerns on another embodiment and shows the roof structure of a house.

符号の説明Explanation of symbols

２ 屋根
３ 折板
３ａ 平板部
３ｂ 上側板部
３ｃ 下側板部
６ シール材
７ 培養マット
８ 植生
１３ 折板
θ１ 勾配 2 Roof 3 Folded plate 3a Flat plate portion 3b Upper plate portion 3c Lower plate portion 6 Sealing material 7 Culture mat 8 Vegetation 13 Folded plate θ1 Gradient

Claims (5)

所定形状をなす複数の折板を葺くことにより屋根表面をその勾配に沿って階段状に構成したことを特徴とする屋根構造。 A roof structure characterized in that a roof surface is formed in a staircase pattern along a slope thereof by rolling a plurality of folded plates having a predetermined shape. 前記折板は、前記勾配と直交する方向へ伸びる平板部と、前記平板部の長手方向の一側に沿って立ち上がる上側板部と、前記平板部の長手方向の他側に沿って立ち下がる下側板部とを備えたことを特徴とする請求項１に記載の屋根構造。 The folded plate includes a flat plate portion extending in a direction orthogonal to the gradient, an upper plate portion rising along one longitudinal direction of the flat plate portion, and a lower plate falling along the other longitudinal direction of the flat plate portion. The roof structure according to claim 1, further comprising a side plate portion. 前記折板は、所定幅をもって前記勾配の方向に沿って伸びると共に階段状に折り曲げ形成されることを特徴とする請求項１に記載の屋根構造。 The roof structure according to claim 1, wherein the folded plate extends along the direction of the gradient with a predetermined width and is bent in a step shape. 隣接する二つの折板の一部が互いに重ねられ、その重ね部分にシール材が介在したことを特徴とする請求項１乃至３の何れか一つに記載の屋根構造。 The roof structure according to any one of claims 1 to 3, wherein a part of two adjacent folded plates are overlapped with each other, and a sealing material is interposed in the overlapped portion. 所定形状をなす複数の折板を葺くことにより屋根表面をその勾配に沿って階段状に構成し、それら階段状の平坦面上に植生用の培養マットを敷き詰めたことを特徴とする緑化屋根構造。 A green roof characterized in that the roof surface is formed in a staircase pattern along the gradient by rolling a plurality of folded plates having a predetermined shape, and vegetation culture mats are laid on the flat surface of the staircase pattern. Construction.
JP2003283980A 2003-07-31 2003-07-31 Roof structure and greening roof structure Pending JP2005048545A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006328773A (en) * 2005-05-25 2006-12-07 Sanko Metal Ind Co Ltd Greening roof
JP2009287247A (en) * 2008-05-28 2009-12-10 Sekisui House Ltd Sloped roof greening structure
JP2010144407A (en) * 2008-12-18 2010-07-01 Sekisui House Ltd Greening tile
CN113513127A (en) * 2020-04-09 2021-10-19 柯昇建筑工程有限公司 Decorative structure of longitudinal splicing of transverse plates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006328773A (en) * 2005-05-25 2006-12-07 Sanko Metal Ind Co Ltd Greening roof
JP2009287247A (en) * 2008-05-28 2009-12-10 Sekisui House Ltd Sloped roof greening structure
JP2010144407A (en) * 2008-12-18 2010-07-01 Sekisui House Ltd Greening tile
CN113513127A (en) * 2020-04-09 2021-10-19 柯昇建筑工程有限公司 Decorative structure of longitudinal splicing of transverse plates

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