JP2005098035A - Repair structure for building - Google Patents

Repair structure for building Download PDF

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JP2005098035A
JP2005098035A JP2003335614A JP2003335614A JP2005098035A JP 2005098035 A JP2005098035 A JP 2005098035A JP 2003335614 A JP2003335614 A JP 2003335614A JP 2003335614 A JP2003335614 A JP 2003335614A JP 2005098035 A JP2005098035 A JP 2005098035A
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roof
building
new
frame
existing
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JP3782802B2 (en
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Gantan Funaki
元旦 舩木
Yoshikazu Hirano
良和 平野
Seiichiro Yoshihama
誠一郎 吉濱
Satoru Watanabe
渡辺　　悟
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Gantan Beauty Industry Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a repair structure for a building minimizing a weight load to an existing building, and shortening a construction period by eliminating removal of an existing roof (a waterproof layer) and minimizing on-site execution labor. <P>SOLUTION: In the repair structure for a building for laying a new roof on a flat roof 1a of the existing building, a frame 2 comprising a truss structure is placed on the flat roof 1a, and a new roof part 3 is arranged on the rack 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は建築物の改修構造に関し、特に陸屋根の改修構造に関係している。   The present invention relates to a structure for repairing a building, and more particularly to a structure for repairing a flat roof.

従来、鉄筋コンクリートのマンションやアパート等の建築物の陸屋根では、防水構造としてシート防水やアスファルト防水が一般的に行われてきた。
これらの防水層が老朽化した場合、亀裂や剥離等の発生により防水層下部へ雨水等が侵入し、場合によっては室内への漏水が発生し、居住者の生活に不都合となることがあり、これら防水層の改修工事が頻繁に行われている。
これら陸屋根の改修方法の一つとして、例えば特許文献1に記載されているように、既設の防水層の一部または全部を撤去して新しい防水シートに張り替えるという手段が用いられるが、その撤去にかかる費用、日数および労力は多大なものであった。
また、一度亀裂や剥離が発生してしまうと、部分的に防水シートを張り替えても古い防水シートと新しい防水シートとの接着が十分でなく、接着強度の不足により剥離してしまう。結局は、シート全体が劣化しているため、頻繁に改修をしなければならないような状況になってしまう虞れがあり、完全に防水機能を回復させるのは困難であった。また、撤去された防水シートは産業廃棄物として処理する必要があるので、自然環境保護の面においても懸念があった。
また、工事中の間等のように、場合によっては、居住者が立ち退いたり、店舗においては一時休業を余儀なくされる等、日常の業務、生活にしばしば支障をきたす多くの問題点があった。
そのため、近年では陸屋根上に新規に屋根を載置する方法がとられることが多くなってきたが、既存の建物への重量負担という新たな問題が発生している。
さらには、近年の建築基準法の改正により、耐震補強が必要となる建物が増えているという新たな問題も出てきた。
特開平１−２３９２５２ Conventionally, sheet waterproofing and asphalt waterproofing have been generally performed as a waterproof structure on a flat roof of a building such as a reinforced concrete apartment or apartment.
When these waterproof layers are aged, rainwater or the like invades the lower part of the waterproof layer due to the occurrence of cracks or peeling, and in some cases, water leakage into the room may occur, which may be inconvenient for the residents' lives. Renovation work for these waterproof layers is frequently performed.
As one of the methods for renovating these flat roofs, for example, as described in Patent Document 1, a method of removing a part or all of the existing waterproof layer and replacing it with a new waterproof sheet is used. The cost, days, and labor required for this were tremendous.
Moreover, once a crack or peeling occurs, even if the waterproof sheet is partially replaced, the old waterproof sheet and the new waterproof sheet are not sufficiently bonded, and are peeled due to insufficient adhesive strength. Eventually, since the entire sheet is deteriorated, there is a possibility that the sheet needs to be repaired frequently, and it is difficult to completely restore the waterproof function. Moreover, since the removed waterproof sheet needs to be treated as industrial waste, there is a concern in terms of protecting the natural environment.
In addition, there are many problems that often impede daily work and daily life, such as during the construction, etc., where the resident vacates or the store is temporarily closed.
For this reason, in recent years, a method of newly placing a roof on a land roof has been increasingly adopted, but a new problem of weight burden on existing buildings has occurred.
In addition, the recent revision of the Building Standards Law has led to a new problem that the number of buildings that require seismic reinforcement is increasing.
JP-A-1-239252

解決しようとする課題は、第１には、既存の屋根（防水層）を撤去することなく、現場での施工手間を極力軽減して工期の短縮が図れ、既存の建築物への重量負担をできるだけ軽減した建築物の改修構造を、第２には、近年改正された建築基準法に適合する耐震補強を備えると共に、既存の屋根（防水層）を撤去することなく、現場での施工手間を極力軽減して工期の短縮が図れ、既存の建築物への重量負担をできるだけ軽減した建築物の改修構造を、第３には、さらに、組み付け・施工が良い建築物の改修構造を、第４には、さらに、新設屋根部が自然環境保護に寄与することが可能な建築物の改修構造を提供することにある。   The problem to be solved is, firstly, without removing the existing roof (waterproof layer), the construction work at the site can be reduced as much as possible, the construction period can be shortened, and the load on the existing building is reduced. Renovated structure of the building that has been reduced as much as possible, and secondly, with seismic reinforcement that conforms to recently revised Building Standards Law, and without having to remove the existing roof (waterproof layer) Renovation structure of buildings that can reduce the work period as much as possible and reduce the weight burden on existing buildings as much as possible, and thirdly, the renovation structure of buildings with better assembly and construction, fourth Furthermore, another object of the present invention is to provide a renovation structure for a building that can contribute to the protection of the natural environment.

本発明は前記した課題を達成するため、以下の構成にしたことを特徴とする。
１．既存建築物の陸屋根上に新規な屋根を葺く建築物の改修構造であって、該陸屋根上にトラス構造体からなる架台を設置し、この架台上に新設屋根部を配設してあることを特徴とする。
２．既存建築物に新たに耐震補強躯体を設けて補強すると共に、該耐震補強躯体にトラス構造体からなる架台を設置し、この架台上に新設屋根部を配設してあることを特徴とする。
３．前記した１または２において、トラス構造体からなる架台と新設屋根部が、予め組み付けられた一体化構造の屋根ブロックまたは屋根ユニットであることを特徴とする。
４．前記した１〜３のいずれか１において、新設屋根部の一部或いは全部が、太陽光発電、集熱、採光、屋根緑化の少なくとも１以上の機能を備えていることを特徴とする。 In order to achieve the above-mentioned problems, the present invention is characterized by the following configuration.
1. A renovation structure of a building that covers a new roof on a flat roof of an existing building, and a frame made of a truss structure is installed on the flat roof, and a new roof is arranged on the frame. It is characterized by.
2. A new seismic reinforcement frame is provided to reinforce the existing building, and a gantry made of a truss structure is installed on the seismic reinforced frame, and a new roof portion is arranged on the gantry.
3. In 1 or 2 described above, the gantry and the new roof portion made of a truss structure are a roof block or a roof unit having an integrated structure assembled in advance.
4). Any one of 1 to 3 described above is characterized in that a part or all of the new roof portion has at least one function of solar power generation, heat collection, daylighting, and roof greening.

Ａ．請求項１により、トラス構造体からなる架台が堅固であると共に軽量であるので、既存建築物への重量負担を最小限に抑えながら改修することができる。
既存の屋根を壊さずに施工することができるので、防水層等の撤去作業にかかっていた費用、日数および労力を不要とし削減することができる。
既存の屋根を壊すことなく施工できるので、居住者が工事中に立ち退いたり、店舗においては休業する必要が無く、日常の業務、生活が支障なくできる。
既存の屋根上に新規の屋根を設けるので、屋根勾配を自由に設定でき、例えば陸屋根を急勾配屋根にすることで、積雪地域における落雪が容易に行われるように改修できる。
既存の屋根上に新規の屋根を設けるので、既存屋根上に設置されている設備機器等の保護にもなる。
Ｂ．請求項２により、耐震補強躯体上にトラス構造体からなる架台を設置することにより、既存建物物への重量負担を大幅に軽減し改修することができる。
既存の屋根を壊さずに施工することができるので、防水層等の撤去作業にかかっていた費用、日数および労力を不要とし削減することができる。
既存の屋根を壊すことなく施工できるので、居住者が工事中に立ち退いたり、店舗においては休業する必要が無く、日常の業務、生活が支障なくできる。
既存の屋根上に新規の屋根を設けるので、屋根勾配を自由に設定でき、例えば陸屋根を急勾配屋根にすることで、積雪地域における落雪が容易に行われるように改修できる。
既存の屋根上に新規の屋根を設けるので、既存屋根上に設置されている設備機器等の保護にもなる。
Ｃ．請求項３により、さらに、トラス構造体からなる架台と新設屋根部が予め組み付けられた一体化構造であるので、現場における架台と新設屋根部との接続作業がなく、組み付け作業が大幅に軽減される。特に、屋根全面を一つの屋根ブロックとした場合、この屋根ブロックを構成する屋根ユニット同士の接続作業もなく、クレーンで吊り上げて既存陸屋根に載置・固定するだけで良いので、さらに作業が容易となり、工期短縮が図れる。
トラス構造体からなる架台と新設屋根部が予め組み付けられているので、高所作業が軽減でき、作業の安全性が高まる。
Ｄ．請求項４により、さらに、太陽光発電、集熱、採光あるいは屋根緑化を１以上備えることにより、自然環境保護に貢献することができる。 A. According to the first aspect, since the gantry made of the truss structure is solid and lightweight, it can be repaired while minimizing the weight burden on the existing building.
Since it can be constructed without breaking the existing roof, the cost, days and labor required for the removal work such as the waterproof layer can be eliminated and reduced.
Since it can be constructed without breaking the existing roof, residents do not have to leave during the construction or leave the shop at work, and daily work and life can be prevented.
Since a new roof is provided on the existing roof, the roof slope can be freely set. For example, by changing the land roof to a steep roof, it can be improved so that snowfall in a snowy area can be easily performed.
Since a new roof is provided on the existing roof, it also protects equipment and the like installed on the existing roof.
B. According to claim 2, by installing a frame made of a truss structure on the seismic reinforcement frame, it is possible to greatly reduce and repair the weight burden on the existing building.
Since it can be constructed without breaking the existing roof, the cost, days and labor required for the removal work such as the waterproof layer can be eliminated and reduced.
Since it can be constructed without breaking the existing roof, residents do not have to leave during the construction or leave the shop at work, and daily work and life can be prevented.
Since a new roof is provided on the existing roof, the roof slope can be freely set. For example, by changing the land roof to a steep roof, it can be improved so that snowfall in a snowy area can be easily performed.
Since a new roof is provided on the existing roof, it also protects equipment and the like installed on the existing roof.
C. Further, according to the third aspect, since the gantry composed of the truss structure and the new roof portion are assembled in advance, there is no connection work between the gantry and the new roof portion in the field, and the assembling work is greatly reduced. The In particular, when the entire roof is made into one roof block, there is no connection work between the roof units constituting this roof block, and it is only necessary to lift and place it on an existing land roof by a crane. The construction period can be shortened.
Since the gantry and the newly constructed roof part, which are made of truss structure, are assembled in advance, the work at high places can be reduced and the safety of the work is increased.
D. According to the fourth aspect, by providing one or more solar power generation, heat collection, daylighting, or roof greening, it is possible to contribute to natural environment protection.

架台と新設屋根部で形成される新規な屋根は、緩勾配屋根であっても急勾配屋根であってもよく、所望の勾配を有する屋根とすればよい。新設屋根部の形状は任意であり、片流れ、切妻等、どのような屋根形状でもよく、特に限定されない。
新規な屋根は、その棟部を支柱等により高い位置に設けるか、或いは、屋根勾配を比較的急にすることによって、棟部の下の部分が最も高さのある空間とし、単に既存の陸屋根を覆うだけでなく、既存の陸屋根と新規の屋根との間に新たな空間（屋根裏空間部）を創出することで、バーベキューセットや卓球台、その他のレジャー空間としての立体空間が確保されるようにしてもよい。
架台と新設屋根部の組み付けは、陸屋根上および／または耐震補強躯体上に順次段階的に配設することで一体化されるようにしてもよいし、予め工場で一体化してもよいし、現場において配設前に一体化するようにしてもよい。
この一体化構造の架台および新設屋根部は、屋根面全面を覆う大きさに接続された屋根ブロックであってもよいし、移送や施工に際して取り扱い易いように適当な大きさに分割された屋根ユニットであってもよい。例えば、切り妻屋根等において、屋根面の全てを形成する屋根ブロックとして形成してもよいし、棟を境に二つに分割された屋根ユニットとしてもよいし、さらに小さく分割した屋根ユニットとしてもよい。
架台と屋根部を組み付けた一体化構造の屋根ブロック或いは屋根ユニットの陸屋根および／または耐震補強躯体上への施工は、クレーンを用いて吊り上げる等して設置・固定することになる。 The new roof formed by the gantry and the newly installed roof portion may be a gently-sloped roof or a steeply-sloped roof, and may be a roof having a desired slope. The shape of the new roof portion is arbitrary, and may be any roof shape such as single flow or gable, and is not particularly limited.
The new roof has a ridge that is located at a high position by a pillar or a relatively steep roof slope, so that the lower part of the ridge becomes the highest space and is simply an existing land roof. In addition to covering the floor, creating a new space (attic space) between the existing flat roof and the new roof will ensure a three-dimensional space as a barbecue set, table tennis table, and other leisure space It may be.
The assembly of the gantry and the newly installed roof part may be integrated by sequentially arranging on the flat roof and / or the seismic reinforcement frame, or may be integrated in advance at the factory, It may be made to integrate before arrangement | positioning.
The integrated structure frame and the new roof part may be a roof block connected to a size covering the entire roof surface, or a roof unit divided into an appropriate size so as to be easily handled during transfer and construction. It may be. For example, in a gable roof, etc., it may be formed as a roof block that forms all of the roof surface, may be a roof unit that is divided into two with a ridge as a boundary, or may be a roof unit that is further divided into smaller parts Good.
Construction of a roof block or a roof unit of an integrated structure in which a gantry and a roof portion are assembled on a flat roof and / or an earthquake-proof reinforcement frame is installed and fixed by lifting it using a crane.

トラス構造体からなる架台は、上弦材、下弦材およびラチス材からなる三角形を基本単位とした所要の強度を得られるようにフレームを組んだトラス構造体で、２次元のものを平面トラス構造体、３次元のものを立体トラス構造体とし、何れを用いてもよい。なお、所要の強度を得られればフレームの一部を省略してもよい。この架台すなわちトラス構造体には、必要に応じて架台を支えるための支柱を設けるようにしてもよい。
架台は、既存の陸屋根の躯体に直接設けてもよいし、陸屋根の躯体周縁に新たな骨組み（鉄骨等）を設置し、その骨組み上に架台を設けるようにしてもよい（架台を設置する個所に強度等の何の問題もなければ直接設けることができるが、設置しようとする個所にひび割れ等がある場合には、安全・確実な接続を得るためにも新たに骨組みを設ける等した上で、その骨組みに設置するようにした方が好ましい）。
架台の陸屋根への固定は、陸屋根上に固定用の台座部を設け、ボルトおよびナット、アンカー等の固定具を用いて固定してもよいし、同様に、パラペットに固定してもよいし、前記した陸屋根の躯体周縁に設けた鉄骨等の骨組みに固定してもよく、所要の固定強度が得られれば特に限定しない。 The truss structure frame is a truss structure framed so as to obtain the required strength with the basic unit consisting of upper chord material, lower chord material and lattice material as a basic unit. A three-dimensional structure is used as a three-dimensional truss structure, and any of them may be used. Note that a part of the frame may be omitted if the required strength can be obtained. You may make it provide this support | pillar, ie, a truss structure, the support | pillar for supporting a support | stand as needed.
The platform may be provided directly on the existing roof roof frame, or a new frame (steel frame, etc.) may be installed around the frame of the flat roof, and the frame mounted on the frame (where the frame is installed) If there is no problem with strength, etc., it can be installed directly, but if there are cracks etc. in the place to be installed, a new framework should be installed to obtain a safe and reliable connection. It is better to install it on the framework).
The mounting of the gantry on the flat roof may be fixed using a fixing base such as bolts, nuts and anchors on the flat roof, and may be fixed to the parapet, You may fix to frames, such as a steel frame provided in the frame periphery of the above-mentioned flat roof, and if a required fixed intensity | strength is obtained, it will not specifically limit.

新規な屋根の葺き形式は、縦葺き、横葺きあるいは折板等、公知のどのようなものでもよい。この新規な屋根の屋根板材の材質は、金属、タイル、樹脂、ガラス、セメント等の窯業系等が挙げられるが、金属製やアクリル樹脂製等の軽量なものがより好ましい。
新設屋根部には、屋根板材の他、保持部材，キャップあるいはアングル材等、架台の上に屋根板材を取り付けるための全ての部材が含まれる。
新設屋根部には、太陽光発電、集熱、採光あるいは屋根緑化の何れか一つの機能を設けてもよいし、これらの複数を組み合わせて形成してもよい。
前記各機能は、たとえば太陽電池一体型屋根板材のように屋根板材そのものに機能を持たせたものでもよいし、通常の屋根板材上に太陽電池パネルを載置する等して形成してもよく、特に設置構造・方法については限定されない。
屋根緑化を施す場合、土壌としての畑土、パーライト等の軽量土壌、繊維マット等の緑化基盤材等が挙げられるが、その中でも軽量土壌や繊維マット等の軽量なものを用いるのが好ましい。この屋根緑化を施した場合、断熱効果も期待できることになる。 The new roofing type may be any known type such as vertical, horizontal or folded. Examples of the material of the roof plate material for the new roof include ceramics such as metal, tile, resin, glass, cement, and the like, but lightweight materials such as metal and acrylic resin are more preferable.
In addition to the roof plate material, the new roof portion includes all members for attaching the roof plate material on the mount, such as a holding member, a cap, or an angle material.
The new roof portion may be provided with any one function of photovoltaic power generation, heat collection, daylighting, or roof greening, or may be formed by combining a plurality of these functions.
Each of the above functions may be formed by providing a function to the roof plate material itself, for example, a solar cell integrated roof plate material, or may be formed by placing a solar cell panel on a normal roof plate material. In particular, the installation structure and method are not limited.
When roof greening is performed, field soil as soil, lightweight soil such as pearlite, greening base material such as fiber mat, and the like, among them, it is preferable to use lightweight soil such as lightweight soil and fiber mat. When this roof greening is applied, a heat insulation effect can be expected.

架台および新設屋根部の設置によって、既存建築物の強度が不足する場合、鉄骨柱の立設やコンクリート壁の補強等により既存建築物の躯体を補強するようにしてもよい。
耐震補強躯体は、補強柱、隣接する補強柱同士をつなぐブレース材（筋交い）、補強梁等の補強フレームからなり、既存建築物を補強して、近年改正された建築基準法に適合する構造強度を付与し得るものであればよい。
補強フレームの既存建築物への固定（接続）は、アンカー、ボルト・ナット等、公知の固定（接続）手段になる。
トラス構造体からなる架台は、できるだけ耐震補強躯体上に取り付けた方が望ましく、既存建築物への負担を軽減できるので好ましい。 When the strength of the existing building is insufficient due to the installation of the gantry and the new roof portion, the frame of the existing building may be reinforced by erecting a steel column or reinforcing a concrete wall.
The seismic reinforcement frame consists of reinforcement frames such as reinforcement columns, brace materials (bars) that connect adjacent reinforcement columns, reinforcement beams, etc., reinforce existing buildings, and structural strength that conforms to recently revised Building Standards Law What is necessary is just to be able to give.
The fixing (connection) of the reinforcing frame to the existing building is a known fixing (connection) means such as an anchor, a bolt and a nut.
It is desirable to mount the truss structure base on the seismic reinforcement frame as much as possible, and it is preferable because it can reduce the burden on the existing building.

図１〜図５には本発明の建築物の改修構造における実施の１形態を例示しており、既存建築物１の陸屋根１ａ上には断面略笠形状の架台２を設置し、この架台２上に新設屋根部３を配設することで、屋根意匠を陸屋根から切妻屋根に改修してある。
架台２は、左右の架台部２ａ、２ｂを継ぎ部材２ｃおよび連結材２ｄで断面略笠形状に組み上げて形成してあり、この左右の架台部２ａ、２ｂはそれぞれ上弦材２ｅと下弦材２ｆとラチス材２ｇからなる立体トラス構造体で、上弦材２ｅとラチス材２ｇは双方の端部をボルト４、ナット５により接続された上接合部６を経て相互に接続し、下弦材２ｆとラチス材２ｇは双方の端部をボルト４、ナット５により接続された下接合部７を経て相互に接続している。
この架台２における左右の軒先側の下接合部７には脚部８を垂設し、この脚部８を陸屋根１ａ上の台座部９にボルト１０およびナット１１で取り付け固定してある。 1 to 5 exemplify an embodiment of the renovation structure of a building according to the present invention. On a flat roof 1a of an existing building 1, a gantry 2 having a substantially shade shape is installed. The roof design has been renovated from a flat roof to a gable roof by placing the new roof 3 on the top.
The gantry 2 is formed by assembling left and right gantry portions 2a and 2b into a substantially shaded cross section with a joint member 2c and a connecting member 2d. The left and right gantry portions 2a and 2b are respectively composed of an upper chord member 2e and a lower chord member 2f. It is a three-dimensional truss structure composed of lattice material 2g. Upper chord material 2e and lattice material 2g are connected to each other via upper joint 6 connected at both ends by bolts 4 and nuts 5, and lower chord material 2f and lattice material In 2g, both ends are connected to each other through a lower joint 7 connected by a bolt 4 and a nut 5.
Legs 8 are suspended from the lower joints 7 on the left and right eaves side of the gantry 2, and the legs 8 are fixedly attached to a pedestal 9 on the flat roof 1 a with bolts 10 and nuts 11.

そして、架台２における各上接合部６上にボルト４、ナット５で取り付けられた略Ｌ状金具１２には桁行き方向に長尺状の桟部材１３をボルト１４およびナット１５により取り付けてあると共に、この桟部材１３の水平部１３ａ上にタイトフレーム１６を屋根板材１９の幅ピッチ毎にビス１７で固定してある。この桁行き方向の各タイトフレーム１６間における桟部材１３上には断熱材１８を軒棟方向に敷設し、断熱材１８の側縁がタイトフレーム１６上で桁行き方向に隙間無く隣り合うようにしてある。
断熱材１８上には屋根板材１９を敷設し、断熱材１８の被嵌合部１８ａに屋根板材１９の嵌合部１９ａを着脱自在に弾性的に嵌合することで分離可能な上下重合状に合体してある。この断熱材１８と屋根板材１９の敷設は、前記したように、断熱材１８を敷設した後に屋根板材１９を敷設する場合と、断熱材１８と屋根板材１９を予め嵌合して一体化したものを敷設する場合があり、いずれであってもよい。 The substantially L-shaped metal fitting 12 attached with bolts 4 and nuts 5 on each upper joint portion 6 of the gantry 2 is attached with a long beam member 13 with bolts 14 and nuts 15 in the carry direction. The tight frame 16 is fixed on the horizontal portion 13 a of the crosspiece member 13 with screws 17 for each width pitch of the roof plate material 19. A heat insulating material 18 is laid in the eaves ridge direction on the crosspiece member 13 between the tight frames 16 in the swaying direction so that the side edges of the heat insulating material 18 are adjacent to each other in the swaying direction on the tight frame 16 without a gap. It is.
A roof sheet material 19 is laid on the heat insulating material 18, and the fitting portion 19 a of the roof plate material 19 is detachably elastically fitted to the fitted portion 18 a of the heat insulating material 18 so as to be separable vertically. United. As described above, the heat insulating material 18 and the roof plate material 19 are laid out when the heat insulating material 18 is laid and then the roof plate material 19 is laid, and when the heat insulating material 18 and the roof plate material 19 are fitted in advance and integrated. May be laid, and either may be used.

この桁行き方向に隙間無く隣り合う屋根板材１９間には、双方の屋根板材１９の立上り部１９ｂに跨る態様の保持部材２０を覆設すると共に、保持部材２０における係止突部２０ａを双方の屋根板材１９の係止凹部１９ｃにそれぞれ係止させることで、この保持部材２０を経て屋根板材１９双方を接続してある。
保持部材２０は固定ボルト２１でタイトフレーム１６側に取り付けられていて、桁行き方向に隣り合う双方の屋根板材１９を接続状態に固定している。
この桁行き方向に隣り合う屋根板材１９における接続部分には、双方の屋根板材１９における被係止部１９ｄにカバー部材２２両側縁の係止部２２ａを弾性的に係止させて、保持部材２０および固定ボルト２１頭部を含む接続部分をカバー部材２２で覆設してある。 Between the roof plate materials 19 that are adjacent to each other without any gaps in the girder direction, a holding member 20 that covers the rising portions 19b of both the roof plate materials 19 is covered, and the locking protrusions 20a of the holding member 20 are provided on both sides. Both the roof plate materials 19 are connected via the holding members 20 by being respectively engaged with the locking recesses 19 c of the roof plate material 19.
The holding member 20 is attached to the tight frame 16 side by a fixing bolt 21 and fixes both roof plate materials 19 adjacent to each other in the carry direction.
At the connecting portions of the roof plate materials 19 adjacent to each other in the girder direction, the locking portions 22a on both side edges of the cover member 22 are elastically locked to the locked portions 19d of the both roof plate materials 19 to hold the holding member 20. And the connection part including the fixing bolt 21 head is covered with the cover member 22.

かかる新設屋根部３の棟部分における左右の屋根板材１９間には棟カバー材２３を覆設してある。また、新設屋根部３における軒先には、屋根板材１９軒先端の樋部２４および竪樋２５を配設してあると共に、この新設屋根部３の軒先端よりも内側にある架台２端には幕板材２６を、屋根板材１９下面と陸屋根１ａ上面間を閉じるように配設してある。   A ridge cover material 23 is provided between the left and right roof plate members 19 in the ridge portion of the new roof portion 3. In addition, the eaves tip of the new roof portion 3 is provided with the eaves 24 and the eaves 25 at the front end of the 19 roof plate members, and at the end of the gantry 2 on the inner side of the eave end of the new roof portion 3 The curtain plate material 26 is disposed so as to close the lower surface of the roof plate material 19 and the upper surface of the flat roof 1a.

図６および図７には本発明の建築物の改修構造における実施の他の１形態を例示しており、構成は前記した図１の態様のものと基本的に同一であるため、共通している構成の説明は符号を準用して省略し、相違する構成について説明する。
架台２は、左右別体の架台部２ａ、２ｂにおける棟側端の下接合部７に垂設された取付脚部２７を陸屋根１ａ上の支柱２８上端の受支部２８ａにボルト２９、ナット３０により固定することで、陸屋根１ａ上に設置してあり、この架台２上に新設屋根部３を配設して、屋根意匠を陸屋根から切妻屋根に改修してある。 FIG. 6 and FIG. 7 illustrate another form of implementation in the building renovation structure of the present invention, and the configuration is basically the same as that of the above-described embodiment of FIG. The description of the configuration will be omitted by applying the same reference numerals, and different configurations will be described.
The gantry 2 has a mounting leg 27 suspended from the lower joint 7 at the ridge-side end of the gantry 2a and 2b separately on the left and right sides, and bolts 29 and nuts 30 on the support 28a at the upper end of the column 28 on the land roof 1a. It is installed on the flat roof 1a by being fixed, and the new roof portion 3 is disposed on the mount 2 so that the roof design is renovated from the flat roof to the gable roof.

図８および図９には本発明の建築物の改修構造における実施の他の１形態を例示しており、構成は前記した図１の態様のものと基本的に同一であるため、共通している構成の説明は符号を準用して省略し、相違する構成について説明する。
架台２両側縁の下接合部７における脚部８は高さを違えて形成してあり、この高さが異なる脚部８をそれぞれの台座部９に取り付けることで、陸屋根１ａ上に架台２を緩やかな傾斜状に設置してある。
かかる架台２上には新設屋根部３を配設し、屋根意匠を陸屋根から勾配の緩やかな片流れ屋根に改修してある。 FIG. 8 and FIG. 9 illustrate another form of implementation in the building renovation structure of the present invention, and the configuration is basically the same as that of the above-described embodiment of FIG. The description of the configuration will be omitted by applying the same reference numerals, and different configurations will be described.
The legs 8 at the lower joints 7 on both side edges of the gantry 2 are formed at different heights, and the gantry 2 is mounted on the flat roof 1a by attaching the legs 8 having different heights to the pedestals 9 respectively. It is installed in a gentle slope.
A new roof portion 3 is disposed on the gantry 2 and the roof design is modified from a flat roof to a one-flow roof with a gentle slope.

図１０には本発明の建築物の改修構造における実施の他の１形態を例示しており、構成は前記した図８の態様のものと基本的に同一であるため、共通している構成の説明は符号を準用して省略し、相違する構成について説明する。
既存建築物１には耐震補強躯体３１を設けて補強してある。この耐震補強躯体３１は、補強柱３１ａ、隣接する補強柱３１ａ同士をつなぐブレース材３１ｂ（筋交い）、補強梁３１ｃからなり、既存建築物１に固定されて補強している。
耐震補強躯体３１上には架台２を緩やかな傾斜状に設置し、この架台２上に新設屋根部３を配設し、屋根意匠を陸屋根から勾配の緩やかな片流れ屋根に改修してある。 FIG. 10 exemplifies another embodiment of the building renovation structure of the present invention, and the configuration is basically the same as that of the above-described embodiment of FIG. The description will be omitted by applying the same reference numerals, and different configurations will be described.
The existing building 1 is reinforced with a seismic reinforcement frame 31. The seismic reinforcement frame 31 is composed of a reinforcing column 31a, a brace material 31b (reinforcement) that connects adjacent reinforcing columns 31a, and a reinforcing beam 31c, and is fixed and reinforced to the existing building 1.
The gantry 2 is installed on the seismic reinforcement frame 31 in a gentle slope, and a new roof portion 3 is disposed on the gantry 2 so that the roof design is modified from a flat roof to a gradual one-flow roof.

前記した実施例１〜４は一例を示しているに過ぎず、本発明の範囲内で他の実施例としてもよい。例えば、架台２と新設屋根部３を予め組み付けた一体化構造の屋根ブロックとして形成してもよいし、或いは、組み立て可能な複数の屋根ユニットとして形成してもよい。
また、新設屋根部の一部或いは全部に、太陽光発電、集熱、採光、屋根緑化の少なくとも１以上の機能を備えて形成してもよい。 Examples 1 to 4 described above are merely examples, and may be other examples within the scope of the present invention. For example, you may form as a roof block of the integrated structure which assembled | attached the mount frame 2 and the newly installed roof part 3 previously, or you may form as several roof units which can be assembled.
Moreover, you may form in a part or all part of a newly installed roof part by providing at least 1 or more functions of photovoltaic power generation, heat collection, daylighting, and roof greening.

本発明の建築物の改修構造における実施の１形態として、既設の陸屋根から切妻屋根への改修例を示している縦断正面図。BRIEF DESCRIPTION OF THE DRAWINGS The longitudinal front view which shows the example of a repair from the existing land roof to a gable roof as 1 form of implementation in the repair structure of the building of this invention. 棟部分の拡大縦断正面図。The enlarged vertical front view of a ridge part. 軒先部分の拡大縦断正面図。The enlarged vertical front view of the eaves part. 部分拡大縦断正面図。FIG. 同部分拡大縦断側面図。The partial expanded vertical side view. 本発明の建築物の改修構造における実施の１形態として、既設の陸屋根から切妻屋根への他の改修例を示している縦断正面図。The vertical front view which shows the other example of a repair from the existing land roof to a gable roof as one form of implementation in the repair structure of the building of this invention. 棟部分の拡大縦断正面図。The enlarged vertical front view of a ridge part. 本発明の建築物の改修構造における実施の１形態として、既設の陸屋根から片流れ屋根への他の改修例を示している縦断正面図。The vertical front view which shows the other example of a repair from the existing land roof to a single flow roof as 1 form of implementation in the repair structure of the building of this invention. 軒部分の拡大縦断正面図。本発明の図１におけるＡ部拡大図。The enlarged vertical front view of the eaves part. The A section enlarged view in FIG. 1 of this invention. 本発明の建築物の改修構造における実施の１形態として、既設の陸屋根から片流れ屋根への他の改修例を示している縦断正面図。The vertical front view which shows the other example of a repair from the existing land roof to a single flow roof as 1 form of implementation in the repair structure of the building of this invention.

符号の説明Explanation of symbols

１ 既存建築物
１ａ 陸屋根
２ 架台
２ａ、２ｂ 架台部
２ｃ 継ぎ部材
２ｄ 連結材
２ｅ 上弦材
２ｆ 下弦材
２ｇ ラチス材
３ 新設屋根部
４、１０、１４、２９、 ボルト
５、１１、１５、３０、 ナット
６ 上接合部
７ 下接合部
８ 脚部
９ 台座部
１２ 略Ｌ状金具
１３ 桟部材
１３ａ 水平部
１６ タイトフレーム
１７ ビス
１８ 断熱材
１８ａ 被嵌合部
１９ 屋根板材
１９ａ 嵌合部
１９ｂ 立上り部
１９ｃ 係止凹部
１９ｄ 被係止部
２０ 保持部材
２０ａ 係止突部
２１ 固定ボルト
２２ カバー部材
２２ａ 係止部
２３ 棟カバー材
２４ 樋部
２５ 竪樋
２６ 幕板材
２７ 取付脚部
２８ 支柱
２８ａ 受支部
３１ 耐震補強躯体
３１ａ 補強柱
３１ｂ ブレース材
３１ｃ 補強梁 DESCRIPTION OF SYMBOLS 1 Existing building 1a Flat roof 2 Base 2a, 2b Base part 2c Joint member 2d Connection material 2e Upper chord material 2f Lower chord material 2g Lattice material 3 New roof part 4, 10, 14, 29, Bolt 5, 11, 15, 30, Nut 6 Upper joint portion 7 Lower joint portion 8 Leg portion 9 Base portion 12 Approximate L-shaped metal fitting 13 Cross member 13a Horizontal portion 16 Tight frame 17 Screw 18 Heat insulating material 18a Fitted portion 19 Roof plate material 19a Fitting portion 19b Rising portion 19c Locking recess 19d Locked portion 20 Holding member 20a Locking protrusion 21 Fixing bolt 22 Cover member 22a Locking portion 23 Building cover material 24 Hook portion 25 Hook 26 Curtain plate material 27 Mounting leg portion 28 Post 28a Supporting portion 31 Seismic reinforcement Housing 31a Reinforcement pillar 31b Brace material 31c Reinforcement beam

Claims (4)

既存建築物の陸屋根上に新規な屋根を葺く建築物の改修構造であって、該陸屋根上にトラス構造体からなる架台を設置し、この架台上に新設屋根部を配設してあることを特徴とする建築物の改修構造。   A renovation structure of a building that covers a new roof on a flat roof of an existing building, and a frame made of a truss structure is installed on the flat roof, and a new roof is arranged on the frame. Renovation structure of a building characterized by 既存建築物に新たに耐震補強躯体を設けて補強すると共に、該耐震補強躯体にトラス構造体からなる架台を設置し、この架台上に新設屋根部を配設してあることを特徴とする建築物の改修構造。   A new seismic reinforcement frame is added to an existing building to reinforce, and a base made of a truss structure is installed on the seismic base, and a new roof is arranged on the base. Renovation structure of things. トラス構造体からなる架台と新設屋根部が、予め組み付けられた一体化構造の屋根ブロックまたは屋根ユニットであることを特徴とする請求項１または２記載の建築物の改修構造。   The renovation structure for a building according to claim 1 or 2, wherein the frame and the newly constructed roof portion made of a truss structure are an integrated structure roof block or roof unit assembled in advance. 新設屋根部の一部或いは全部が、太陽光発電、集熱、採光、屋根緑化の少なくとも１以上の機能を備えていることを特徴とする請求項１〜３のいずれか１項記載の建築物の改修構造。   The building according to any one of claims 1 to 3, wherein a part or all of the new roof part has at least one function of solar power generation, heat collection, daylighting, and roof greening. Refurbishment structure.
JP2003335614A 2003-09-26 2003-09-26 Renovation structure of building Expired - Fee Related JP3782802B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011052512A (en) * 2009-09-04 2011-03-17 Takenaka Komuten Co Ltd Roof repair construction method and structure
JP2011179265A (en) * 2010-03-03 2011-09-15 Gantan Beauty Ind Co Ltd Installation structure and method of construction of corbel member, mounting structure of external member, and repair structure
CN102943571A (en) * 2012-12-03 2013-02-27 东南大学 Reinforced structure for lower string beam of wooden structure howe roof truss of historic building
CN103290969A (en) * 2013-04-25 2013-09-11 锦州鹏翔电力轻钢设备有限公司 Daylighting ventilating roof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138169A (en) * 1983-12-26 1985-07-22 中鋼株式会社 Roof repairing method
JPS63138070A (en) * 1986-11-29 1988-06-10 株式会社　第一ホ−ム Extension work apparatus of existing concrete building
JPH07292907A (en) * 1994-04-22 1995-11-07 Kubota Corp Roofing material for solar battery
JPH10152998A (en) * 1996-11-25 1998-06-09 Shimizu Corp Earthquake-resistant reinforcing structure of existing building

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138169A (en) * 1983-12-26 1985-07-22 中鋼株式会社 Roof repairing method
JPS63138070A (en) * 1986-11-29 1988-06-10 株式会社　第一ホ−ム Extension work apparatus of existing concrete building
JPH07292907A (en) * 1994-04-22 1995-11-07 Kubota Corp Roofing material for solar battery
JPH10152998A (en) * 1996-11-25 1998-06-09 Shimizu Corp Earthquake-resistant reinforcing structure of existing building

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011052512A (en) * 2009-09-04 2011-03-17 Takenaka Komuten Co Ltd Roof repair construction method and structure
JP2011179265A (en) * 2010-03-03 2011-09-15 Gantan Beauty Ind Co Ltd Installation structure and method of construction of corbel member, mounting structure of external member, and repair structure
CN102943571A (en) * 2012-12-03 2013-02-27 东南大学 Reinforced structure for lower string beam of wooden structure howe roof truss of historic building
CN103290969A (en) * 2013-04-25 2013-09-11 锦州鹏翔电力轻钢设备有限公司 Daylighting ventilating roof

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