JPWO2003002832A1 - How to rebuild a rooftop house - Google Patents

How to rebuild a rooftop house Download PDF

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JPWO2003002832A1
JPWO2003002832A1 JP2002522484A JP2002522484A JPWO2003002832A1 JP WO2003002832 A1 JPWO2003002832 A1 JP WO2003002832A1 JP 2002522484 A JP2002522484 A JP 2002522484A JP 2002522484 A JP2002522484 A JP 2002522484A JP WO2003002832 A1 JPWO2003002832 A1 JP WO2003002832A1
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house
roof
folded plate
shaped steel
floor material
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JP3668893B2 (en
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賢一 宮本
賢一 宮本
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株式会社宮本ハウス工業
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3608—Connecting; Fastening for double roof covering or overroofing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3607—Connecting; Fastening the fastening means comprising spacer means adapted to the shape of the profiled roof covering
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging

Abstract

既存家屋を比較的短期間で容易に屋上付き家屋に改築することができ、しかも改築後の居住性に優れた工事の方法である。家屋の上面に隙間なく並べられた断面波形の折板の上に屋上床材の支持台１４を取り付ける支持台取付工程と、前記支持台１４の上に屋上床材１６を敷設する屋上床材敷設工程とを包含する工事の方法とする。This is a construction method that allows an existing house to be easily remodeled into a rooftop house in a relatively short period of time, and has excellent livability after the remodeling. A support base mounting step of mounting the support base 14 of the roof floor material on a folded board having a corrugated cross section arranged without gaps on the upper surface of the house, and laying the roof floor material 16 laying the roof floor material 16 on the support base 14 And a construction method including the steps.

Description

技術分野
この発明は、既存家屋を屋上付き家屋に改築する工事の方法に関する。
背景技術
近年、住環境や生活様式の変化に伴って屋上を備えた家屋に対する関心が高まっており、既存家屋の屋根を撤去して屋上を設ける改築を行うことが多くなっている。従来、この改築を行うに際しては、屋根から天井にかけてを完全に撤去してしまい、新規建築の場合と同じ方法で屋上を構築していた。
このため、上記従来の改築方法は、工期が長くなり、その分工事費用も高くついた。また、工事期間中は居住できないので、その間の生活場所を別に確保しなければならず、精神的にも金銭的にも住人にかかる負担が大きかった。
一般的に屋上付き家屋は屋根がないので断熱性が悪いという欠点を有しているが、従来の改築方法で構築された屋上付き家屋は、上記欠点を克服することができなかった。さらに、適正な屋上床材を使用しないと、雨漏りが発生する虞もある。
本発明は上記事情に鑑みなされたものであって、既存家屋を比較的短期間で容易に屋上付き家屋に改築することができ、しかも改築後の居住性に優れた工事の方法を提供することを課題としている。
発明の開示
本発明にかかる屋上付き家屋に改築する工事の方法は、家屋の上面に隙間なく並べられた断面波形の折板の上に屋上床材の支持台を取り付ける支持台取付工程と、前記支持台の上に屋上床材を敷設する屋上床材敷設工程とを包含することを特徴としている。
一般的な日本家屋の場合、屋根を撤去して梁を露出させる屋根撤去工程と、前記梁の上に角材で枠組を組む枠組工程と、前記枠組の上に断面波形の折板を隙間なく並べて取り付ける折板取付工程とを経てから、支持台取付工程と屋上床材敷設工程の工事を行う。プレハブ家屋のように屋根部分が断面波形の折板で形成されている場合は、既存の折板をそのまま利用し、屋根撤去工程、枠組工程及び折板取付工程を省くことができる。
上記工事の方法において、前記支持台としてＣ型鋼を用い、該Ｃ型鋼を開口部を下側にして前記折板の溝方向と交差させて配置すると、実用上好ましい結果が得られる。
その場合、内周部に雌ねじが形成された筒体を前記折板から上向きに突設するとともに、この筒体の位置に対応させて前記Ｃ型鋼に通孔を形成し、該通孔に挿通した雄ねじ体を前記筒体の雌ねじに螺合させて折板にＣ型鋼を取り付ける方法を採用すると、支持台であるＣ型鋼の取付が容易にである。
発明を実施するための最良の形態
以下、第１図に示す既存家屋Ａを第２図に示す屋上付き家屋Ｂに改築する工事を例にとって、本発明を具体的に説明する。
改築工事に際しては、まず既存家屋Ａの屋根１を撤去して梁を露出させる（屋根撤去工程）。第３図は屋根撤去工程を終了した状態を示す工事箇所の斜視図であり、縦横に組まれた梁２が露出している。梁２の下側には天井材３がそのまま残されている。
次に、第４図に示すように、梁２の上に角材４で枠組を組む（枠組工程）。図示した実施の形態では、角材として鋼管４を使用し、これを格子状に組んでいる。鋼管同士の連結方法としては、例えば第５図に示すように、縦向きの鋼管４（１）にＬ型の連結片５を溶接で取り付け、この連結片５と横向きの鋼管４（２）とをボルト６とナット７で固定するとよい。
また、次の折板取付工程の前工程として、第６図に示すように、鋼管４の上面に折板支持体８を取り付ける。この折板支持体８の頂部には、雄ねじ棒９が上向きに突出させて設けられている。
そして、第７図に示すように、鋼管４の枠組の上に断面波形の折板１０を隙間なく並べ、該折板１０に形成されている通孔１０ａに前記雄ねじ棒９を挿通し、その雄ねじ棒９に座金１１を嵌合させてからナット１２を螺着して折板１０を固定状態に取り付ける（折板取付工程）。隣接する折板１０同士は固定しない。折板１０を溝方向に若干勾配をつけて並べると、排水が良好である。
さらに、雄ねじ棒９のナット１２よりも上端側部分に、内周部に雌ねじ１３ａが形成された筒体１３を螺着する。螺着状態では雄ねじ棒９の上端よりも筒体１３の上端の方が高くなっている。したがって、内周部に雌ねじ１３ａが形成された筒体１３が折板１０から上向きに突設された状態となる。また、筒体１３の長さは、筒体１３の上端位置が後記Ｃ型鋼１４と後述する位置関係となるように定められている。
次いで、第８図に示すように、折板１０の上に該折板の溝方向と交差させて屋上床材の支持台１４を配置し、該支持台に形成された通孔１４ａに雄ねじ体としてのボルト１５を上から挿通し、これを前記筒体１３の雌ねじ１３ａに螺合させることにより支持台１４を取り付ける（支持台取付工程）。支持台１４としてはＣ型鋼を使用し、該Ｃ型鋼を開口部を下側にして配置してある。筒体１３の上端がＣ型鋼の下面にほぼ接しているので、ボルト１５と雌ねじ１３ａの位置合わせが容易である。
最後に、第９図に示すように、支持台１４の上に屋上床材１６を敷設する（屋上床材敷設工程）。屋上床材１６は、第１０図に示すように、一方の端縁には平板状の第一垂下部１６ａが形成され、他方の端縁には底面のレベルが前記第一垂下部１６ａの下端のレベルとほぼ同じの溝を有する第二垂下部１６ｂが形成された形状をしている。第二垂下部１６ｂの溝に隣りの屋上床材１６の第一垂下部１６ａが嵌合する状態で各屋上床材１６を敷設し、ねじ式固着具１７によって支持台１４に固着する。これにより、隣り合う屋上床材１６同士の間に水が入っても、その水は第二垂下部１６ｂの溝に受けられ、これより内部に侵入しない。
このように構築された屋上付き家屋Ｂは、天井材３と屋上床材１６との間に折板１０によって上下に仕切られた２空間が形成されるので、断熱性がよい。また、屋上床材の支持台１４としてＣ型鋼が用いられているので、天井材３と屋上床材１６との間の空間が広くなり、断熱に有効な構造となっている。
以上は一般的な日本家屋を屋上付き家屋に改築する工事の方法について説明したが、本発明は日本家屋以外にも適用可能である。例えば、第１１図に示すプレハブ家屋のように屋根部分が断面波形の折板１０で形成されている場合は、既存の折板１０をそのまま利用し、屋根撤去工程、枠組工程及び折板取付工程を省くことができる。
産業上の利用可能性
以上に説明したように、本発明にかかる屋上付き家屋に改築する工事の方法によれば、天井部を解体することなく屋上を構築するので、工期が短く工事費用も安くあがり、しかも工事中も居住することができる。特に、プレハブ家屋のように屋根部分が断面波形の折板で形成されている場合は、既存の折板をそのまま利用することができ、工事が簡略である。また、本発明による工事の方法で改築されたり屋上付き家屋は、天井部と屋上床材との間に空間を広くとることができるので、通風性や断熱性に優れた良好な居住環境が得られる。
【図面の簡単な説明】
第１図は、既存家屋の斜視図である。第２図は屋上付き家屋の斜視図であり、第３図は屋根撤去工程を終えた状態を示す工事箇所の斜視図であり、第４図は枠組工程を終えた状態を示す工事箇所の（ａ）正面断面図、及び（ｂ）側面断面図である。また、第５図は鋼管の連結部の斜視図であり、第６図は鋼管への折板支持体取付部の斜視図である。さらに、第７図は折板取付工程を終えた状態を示す工事箇所の（ａ）正面断面図、及び（ｂ）側面断面図であり、第８図は支持台取付工程を終えた状態を示す工事箇所の（ａ）正面断面図、及び（ｂ）側面断面図であり、第９図は屋上床材敷設工程を終えた状態を示す工事箇所の（ａ）正面断面図、及び（ｂ）側面断面図である。加えて、第１０図は屋上床材の斜視図であり、第１１図はプレハブ家屋の斜視図である。TECHNICAL FIELD The present invention relates to a construction method for converting an existing house into a house with a roof.
BACKGROUND ART In recent years, interest in houses with a rooftop has been increasing along with changes in living environments and lifestyles, and remodeling in which roofs of existing houses are removed and a rooftop is provided is increasing. In the past, when performing this renovation, the entire area from the roof to the ceiling was completely removed, and the roof was constructed in the same way as for new construction.
For this reason, the above-mentioned conventional rebuilding method requires a long construction period and a high construction cost. In addition, because they could not live during the construction period, they had to secure a separate living space during that time, which placed a heavy burden on residents both mentally and financially.
In general, a rooftop house has a drawback that it has poor heat insulation because it has no roof, but a rooftop house constructed by a conventional remodeling method could not overcome the above drawbacks. Furthermore, if an appropriate rooftop floor material is not used, there is a possibility that rain leakage may occur.
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a construction method capable of easily remodeling an existing house into a house with a roof in a relatively short period of time, and having excellent livability after the remodeling. Is an issue.
Disclosure of the Invention A method of construction work for remodeling a house with a roof according to the present invention includes a support table mounting step of mounting a support table of a roof floor material on a folded plate having a corrugated cross section arranged without gaps on the upper surface of the house, And a step of laying a rooftop material on the support base.
In the case of a general Japanese house, a roof removal step of removing the roof and exposing the beam, a framework step of forming a frame with a square bar on the beam, and arranging folded sheets having a corrugated cross section on the frame without gaps After the folding plate mounting process for mounting, the work of the support base mounting process and the roof floor material laying process is performed. When the roof portion is formed of a folded plate having a corrugated cross section as in a prefabricated house, the existing folded plate can be used as it is, and the roof removing step, the framing step, and the folded plate attaching step can be omitted.
In the above construction method, if a C-shaped steel is used as the support and the C-shaped steel is arranged so that the opening is on the lower side and intersects with the groove direction of the folded plate, a practically preferable result is obtained.
In this case, a cylindrical body having an internal thread formed therein with an internal thread is projected upward from the folded plate, and a through-hole is formed in the C-shaped steel corresponding to the position of the cylindrical body, and the through-hole is inserted into the through-hole. If a method of attaching the C-shaped steel to the folded plate by screwing the externally threaded body to the internal thread of the cylindrical body is adopted, it is easy to attach the C-shaped steel as the support base.
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be specifically described by taking as an example a construction for renovating an existing house A shown in FIG. 1 into a house B with a roof shown in FIG.
In the renovation work, the roof 1 of the existing house A is first removed to expose the beams (roof removal process). FIG. 3 is a perspective view of a construction site showing a state in which the roof removal process has been completed, in which beams 2 arranged vertically and horizontally are exposed. The ceiling material 3 is left under the beam 2 as it is.
Next, as shown in FIG. 4, a frame is formed on the beam 2 with the square bar 4 (frame setting step). In the illustrated embodiment, a steel pipe 4 is used as a square member, which is assembled in a lattice shape. As a method for connecting the steel pipes, for example, as shown in FIG. 5, an L-shaped connecting piece 5 is attached to a vertical steel pipe 4 (1) by welding, and the connecting piece 5 and the horizontal steel pipe 4 (2) are connected to each other. May be fixed with bolts 6 and nuts 7.
In addition, as a pre-process of the next folded plate mounting process, a folded plate support 8 is mounted on the upper surface of the steel pipe 4 as shown in FIG. At the top of the folded plate support 8, a male screw rod 9 is provided so as to protrude upward.
Then, as shown in FIG. 7, folded plates 10 having a corrugated cross section are arranged on the framework of the steel pipe 4 without gaps, and the male screw rod 9 is inserted into a through hole 10 a formed in the folded plate 10. After fitting the washer 11 to the male screw rod 9, the nut 12 is screwed on and the folded plate 10 is attached in a fixed state (folded plate attaching step). Adjacent folded plates 10 are not fixed. When the folded plates 10 are arranged with a slight gradient in the groove direction, drainage is good.
Further, a cylindrical body 13 having an internal thread formed with a female screw 13a is screwed to the upper end portion of the male screw rod 9 from the nut 12. In the screwed state, the upper end of the cylindrical body 13 is higher than the upper end of the male screw rod 9. Therefore, the cylindrical body 13 having the female screw 13a formed on the inner peripheral portion is in a state of projecting upward from the folded plate 10. The length of the cylindrical body 13 is determined such that the upper end position of the cylindrical body 13 has a positional relationship with a C-shaped steel 14 described later.
Next, as shown in FIG. 8, a support 14 for rooftop floor material is disposed on the folded plate 10 so as to intersect with the groove direction of the folded plate, and a male screw body is inserted into a through hole 14a formed in the support. The support base 14 is mounted by inserting a bolt 15 from above and screwing it into the female screw 13a of the cylindrical body 13 (support base mounting step). A C-shaped steel is used as the support base 14, and the C-shaped steel is arranged with an opening on a lower side. Since the upper end of the cylindrical body 13 is almost in contact with the lower surface of the C-shaped steel, the positioning of the bolt 15 and the female screw 13a is easy.
Finally, as shown in FIG. 9, a rooftop flooring material 16 is laid on the support base 14 (rooftop flooring material laying step). As shown in FIG. 10, the roof flooring material 16 has a flat first lower portion 16a formed at one edge and a bottom surface at the lower edge of the first lower portion 16a at the other edge. And the second hanging portion 16b having a groove substantially the same as the level of the second hanging portion 16b is formed. Each roof floor material 16 is laid in a state in which the first hanging portion 16a of the adjacent roof floor material 16 is fitted into the groove of the second hanging portion 16b, and is fixed to the support base 14 by the screw type fixing tool 17. As a result, even if water enters between the adjacent rooftop floor materials 16, the water is received by the groove of the second hanging portion 16b, and does not enter the interior.
In the house B with a rooftop constructed in this way, two spaces separated vertically by the folded plate 10 are formed between the ceiling material 3 and the rooftop flooring material 16, so that the heat insulation is good. Further, since the C-shaped steel is used as the support 14 for the roof floor material, the space between the ceiling material 3 and the roof floor material 16 is widened, and the structure is effective for heat insulation.
In the above, the construction method of remodeling a general Japanese house into a house with a roof has been described, but the present invention can be applied to other than a Japanese house. For example, when the roof portion is formed of a folded plate 10 having a corrugated cross section as in a prefabricated house shown in FIG. 11, the existing folded plate 10 is used as it is, and the roof removing process, the framing process, and the folded plate attaching process are performed. Can be omitted.
INDUSTRIAL APPLICABILITY As described above, according to the construction method of remodeling a house with a roof according to the present invention, since the roof is constructed without dismantling the ceiling, the construction period is short and the construction cost is low. It can be raised and live during construction. In particular, when the roof portion is formed of a folded plate having a corrugated cross section as in a prefabricated house, the existing folded plate can be used as it is, and the construction is simplified. In addition, in a house renovated or fitted with a roof according to the method of construction according to the present invention, a large space can be provided between the ceiling and the roof floor material, so that a favorable living environment with excellent ventilation and heat insulation can be obtained. Can be
[Brief description of the drawings]
FIG. 1 is a perspective view of an existing house. FIG. 2 is a perspective view of a house with a rooftop, FIG. 3 is a perspective view of a construction site showing a state after a roof removing process is completed, and FIG. 4 is a perspective view of a construction site showing a state after a framework process is completed. (a) is a front sectional view, and (b) is a side sectional view. FIG. 5 is a perspective view of a connecting portion of the steel pipe, and FIG. 6 is a perspective view of a folded plate support attaching portion to the steel pipe. 7 is a (a) front sectional view and (b) a side sectional view of the construction site showing a state after the folded plate attaching step, and FIG. 8 shows a state after the support stand attaching step. FIG. 9A is a front sectional view of the construction site, and FIG. 9B is a side sectional view of the construction site. FIG. 9A is a front sectional view of the construction site showing a state where the roofing floor material laying process is completed, and FIG. It is sectional drawing. In addition, FIG. 10 is a perspective view of a rooftop flooring, and FIG. 11 is a perspective view of a prefabricated house.

Claims (3)

家屋の上面に隙間なく並べられた断面波形の折板の上に屋上床材の支持台を取り付ける支持台取付工程と、前記支持台の上に屋上床材を敷設する屋上床材敷設工程とを包含することを特徴とする屋上付き家屋に改築する工事の方法。A support table mounting step of mounting a support table of a roof floor material on a folded board having a cross-sectional waveform arranged without gaps on the upper surface of the house, and a roof floor material laying step of laying the roof floor material on the support table A method of construction work for remodeling into a rooftop house characterized by including. 前記支持台としてＣ型鋼を用い、該Ｃ型鋼を開口部を下側にして前記折板の溝方向と交差させて配置する請求の範囲第１項に記載の屋上付き家屋に改築する工事の方法。2. A method for renovating a house with a roof according to claim 1, wherein a C-shaped steel is used as the support, and the C-shaped steel is arranged with an opening portion on a lower side and crossing a groove direction of the folded plate. . 内周部に雌ねじが形成された筒体を前記折板から上向きに突設するとともに、この筒体の位置に対応させて前記Ｃ型鋼に通孔を形成し、該通孔に挿通した雄ねじ体を前記筒体の雌ねじに螺合させて折板にＣ型鋼を取り付ける請求の範囲第２項に記載の屋上付き家屋に改築する工事の方法。A cylindrical body having an internal thread formed therein with an internal thread is projected upward from the folded plate, a through hole is formed in the C-shaped steel corresponding to the position of the cylindrical body, and a male screw body inserted through the through hole is formed. 3. A method for renovating a house with a roof according to claim 2, wherein a C-shaped steel is attached to the folded plate by screwing the C-shaped steel into a female screw of the cylindrical body.
JP2002522484A 2001-06-27 2001-06-27 How to renovate a house with a rooftop Expired - Fee Related JP3668893B2 (en)

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JP6282539B2 (en) * 2014-06-26 2018-02-21 寿照 河内 Fixing bracket for existing folded plate roof

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