JP2868135B2 - Construction method of unsupported space truss structure - Google Patents
Construction method of unsupported space truss structureInfo
- Publication number
- JP2868135B2 JP2868135B2 JP2294947A JP29494790A JP2868135B2 JP 2868135 B2 JP2868135 B2 JP 2868135B2 JP 2294947 A JP2294947 A JP 2294947A JP 29494790 A JP29494790 A JP 29494790A JP 2868135 B2 JP2868135 B2 JP 2868135B2
- Authority
- JP
- Japan
- Prior art keywords
- chord material
- truss
- lower chord
- upper chord
- frame unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Rod-Shaped Construction Members (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、サポート（支保工）による支持を一切必
要としないで建物の構築を可能にした無サポート立体ト
ラス構造物の構築工法に関する。Description: TECHNICAL FIELD The present invention relates to a construction method of an unsupported three-dimensional truss structure capable of constructing a building without requiring any support by a support (shoring work).
立体トラス屋根等の立体トラス構造物の構築工法とし
て、これまで様々な構築工法が開発されている。Various construction methods have been developed so far as construction methods of a three-dimensional truss structure such as a three-dimensional truss roof.
例えば、特公昭25−3237号公報や特公昭25−3238号公
報、或いは特公昭49−26644号公報に開示されたものが
あるが、このうち前記二者は作業足場を使用しないで構
造物を構築しようとするものであり、後者は複数の単位
枠体を合理的且つ能率的に連結しつつ組み立てることに
より全体を構築しようとするものである。For example, there are Japanese Patent Publication No. 25-3237, Japanese Patent Publication No. 25-3238, or Japanese Patent Publication No. 49-26644. Among these, the two of them disclosed a structure without using a working scaffold. The latter is intended to construct the whole by assembling a plurality of unit frames while rationally and efficiently connecting them.
当出願人はこれまで、この種の構築工法について幾つ
か開発しており、たとえば特公平１−32340号公報に開
示されたものがあるが、この工法は先に述べた工法のう
ち後者に類似するものである。The present applicant has developed several construction methods of this type, for example, there is one disclosed in Japanese Patent Publication No. 1-33403, but this method is similar to the latter method among the above-mentioned methods. Is what you do.
しかし、これらの構築工法はいずれも、施工中、所々
を地上より支保工によって支持する必要のあるものばか
りである。However, all of these construction methods need only to be supported by supports from the ground during construction.
このため、構築しようとする構造物が大規模化するに
ともなって支保工の規模も大規模化し、仮設工事だけで
もその組み立て・解体工事に多くの人手と工期を費やし
大変な工事を強いられ、特に、高い小屋組の場合には大
工事を強いられた。For this reason, as the size of the structure to be constructed increases, the scale of the shoring also increases, and even for temporary construction alone, it takes a lot of manpower and construction time to assemble and disassemble it, and it is required to perform a great deal of work, In particular, in the case of a tall hut, large construction was forced.
この発明は、以上の課題を解決するためになされたも
ので、施工中の支保工による支持を省略することがで
き、これにより工期の短縮化と仮設工事費の低減化を可
能にした無サポート立体トラス構造物の構築工法を提供
することを目的とする。The present invention has been made to solve the above problems, and can eliminate the support by the shoring during construction, thereby shortening the construction period and reducing the cost of temporary construction work. An object of the present invention is to provide a construction method of a space truss structure.
この発明に係る無サポート立体トラス構造物の構築工
法は、上弦材と下弦材とを複数本のラチス材で連結し、
かつ、前記上弦材及び下弦材の両端部に上弦材どうし及
び下弦材どうしをそれぞれ接合する継ぎ手部を設けるこ
とにより構成されたトラス梁を複数本用い、Ｘ形もしく
はその複合形に組み立てると共に、平面視における複数
本のトラス梁の交点と継ぎ手部との間に座屈止め部材を
配置して複数組の軸組ユニットを構成し、この軸組ユニ
ットの外周を構成する仮想の辺であって平面視で隣接す
る２辺上に位置する上弦材および下弦材の継ぎ手部を、
前記軸組ユニットの周囲に掛け渡された側梁および／ま
たは先に設置された軸組ユニットの上弦材および下弦材
の継ぎ手部に、それぞれ接合しながら前記座屈止め部材
どうしを連結し、軸組ユニットの隣接設置を順次繰り返
して立体トラス構造物を構築することを特徴とする。The construction method of the unsupported three-dimensional truss structure according to the present invention connects the upper chord material and the lower chord material with a plurality of lattice materials,
And, using a plurality of truss beams constituted by providing a joint portion for joining the upper chord material and the lower chord material at both ends of the upper chord material and the lower chord material, assembling into an X shape or a composite shape thereof, and A buckling prevention member is disposed between the intersection of the plurality of truss beams and the joint portion in visual view to form a plurality of sets of frame units, and virtual sides forming the outer periphery of the frame unit and a plane The joint part of the upper chord material and the lower chord material located on two sides adjacent to each other
Connecting the buckling prevention members to each other while joining them to a side beam bridged around the frame unit and / or to a joint portion of an upper chord member and a lower chord member installed earlier; It is characterized in that a space truss structure is constructed by sequentially repeating the adjacent installation of the group units.
図１は、この発明に係る無サポート立体トラス構造物
の構築工法で使用される軸組ユニットを示し、軸組ユニ
ットＡはトラス梁1,1と座屈止め部材2,2とからなる。FIG. 1 shows a frame unit used in the construction method of an unsupported three-dimensional truss structure according to the present invention. A frame unit A includes truss beams 1 and 1 and buckling prevention members 2 and 2.
トラス梁1,1はその略中央部でクロスさせてＸ形に組
み立てられ、座屈止め部材2,2はトラス梁1,1の上に平面
視で略平行に設置されている。The truss beams 1 and 1 are assembled in an X shape by crossing substantially at the center thereof, and the buckling prevention members 2 and 2 are installed on the truss beams 1 and 1 substantially in parallel in plan view.
座屈止め部材２は、主にトラス梁１の座屈止め及びト
ラス梁１の上に設置される母屋材を受ける母屋受け材の
働きをなすもので、平面視でトラス梁1,1の交点と接合
端部の中間に設置されている。The buckling prevention member 2 mainly functions as a buckling member for the truss beam 1 and a purlin receiving member for receiving the purlin material installed on the truss beam 1 at the intersection of the truss beams 1 and 1 in plan view. And the middle of the joint end.
トラス梁１は上弦材と下弦材とを複数本のラチス材で
連結することにより構成されている。また、トラス梁１
の上・下弦材及び座屈止め部材２はＨ形鋼やＩ形鋼等の
形鋼若しくは鋼管等から構成されている。The truss beam 1 is configured by connecting an upper chord material and a lower chord material with a plurality of lattice members. In addition, truss beam 1
The upper and lower chord members and the buckling prevention member 2 are made of a shape steel such as an H-shaped steel or an I-shaped steel or a steel pipe.
また、トラス梁１及び座屈止め部材２の両端部にはボ
ルト若しくは溶接による接合が可能な継ぎ手部が形成さ
れている。Further, joint portions that can be joined by bolts or welding are formed at both ends of the truss beam 1 and the buckling prevention member 2.
次に、この発明に係る無サポート立体トラス構造物の
構築工法を順を追って説明する。Next, the construction method of the unsupported space truss structure according to the present invention will be described step by step.
二方向に架け渡された側梁3,3のコーナ部に最初の
軸組ユニットA1をセットし、この軸組ユニットA1のトラ
ス梁1,1の上弦材及び下弦材の端部1aを除く上弦材及び
下弦材の端部1b,1c,1dを周囲の側梁３に継ぎ手部を介し
て固定し、かつ、残る一端部1aは自由端とする（第４図
及び第９図参照）。Set the first framing unit A 1 in the corner of the passed side sills 3 and 3 put on two directions, the ends 1a of the upper chord member and the lower chord member of the truss beams 1,1 of the Framing Unit A 1 The ends 1b, 1c, 1d of the upper and lower chords to be removed are fixed to the surrounding side beams 3 via joints, and the other end 1a is a free end (see FIGS. 4 and 9). .
係る場合の軸組ユニットA1はトラス梁1,1の上弦材及
び下弦材の３個所の端部1b,1c,1dが支持されて固定され
た状態にあり（第12図参照）、したがって、安定した状
態で支持されているので地上からの支保工による支持は
一切不要である。Framing unit A 1 is 3 points of the end portion 1b of the upper chord member and the lower chord member of the truss beams 1,1 in the case of, 1c, 1d is in a fixed state is supported (see FIG. 12), therefore, Since it is supported in a stable state, there is no need to support it from the ground.
なお、側梁３には充腹梁や非充腹梁が使用され、側梁
３を支持する構造物４は構築しようとする立体トラス構
造物の規模に応じてRC若しくはSRC構造等によって構築
するものとする。In addition, a full beam or a non-full beam is used for the side beam 3, and the structure 4 supporting the side beam 3 is constructed by an RC or SRC structure or the like according to the scale of the space truss structure to be constructed. Shall be.
次に、いま設置された軸組ユニットA1の両側に新た
な軸組ユニットA2,A2をセットし、この軸組ユニットA2,
A2のトラス梁1,1の上弦材及び下弦材の端部1b,1c、或い
は1b,1dを側梁３に継ぎ手部を介して固定し、残る端部1
d或いは1cを先にセットされた軸組ユニットA1の自由端
部1aに継ぎ手部を介して接合する（第５図及び第10参
照）。また、座屈止め部材2,2どうしを継ぎ手部を介し
て接合する。係る場合にも、軸組ユニットA2,A2はトラ
ス梁1,1の上弦材及び下弦材の端部1aを除く３つの端部1
b,1c,1dが支持されて固定された状態にあるので、地上
からの支保工による支持は一切不要である。Next, set the new framing unit A 2, A 2 to now the installed either side of the framing units A 1, the framing unit A 2,
A 2 end 1b of the upper chord member and the lower chord member of the truss beams 1, 1, 1c, or 1b, 1d are fixed via a joint portion to the side beam 3 remains end 1
The d or 1c to the free end portion 1a of the previously set the Framing Unit A 1 bonded via a joint portion (see FIG. 5 and 10). In addition, the buckling prevention members 2 are joined to each other via a joint portion. Also in such a case, the frame unit A 2 , A 2 has three end portions 1 excluding the end portion 1 a of the upper chord material and the lower chord material of the truss beams 1, 1.
Since b, 1c and 1d are supported and fixed, there is no need for any support from the ground support.
次に、いま設置されたばかりの軸組ユニットA2,A2
の外側に、さらに新たな軸組ユニットA3,A3をセット
し、また、この軸組ユニットA2とA3との間に軸組ユニッ
トA4をセットする（第６図及び第11図参照）。Next, the frame unit A 2 , A 2 just installed
A new frame unit A 3 , A 3 is set on the outside of the frame, and a frame unit A 4 is set between the frame units A 2 and A 3 (FIGS. 6 and 11). reference).
そして、軸組ユニットA3のトラス梁1,1の上弦材及び
下弦材の端部1b,1c或いは1b,1dを梁３に継ぎ手部を介し
て固定し、端部1d或いは1cを軸組ユニットA2の端部1aに
継ぎ手部を介して接合する。The upper chord members and the lower chord member end 1b of the truss beams 1,1 of framing unit A 3, 1c or 1b, 1d are fixed via a joint portion to the beam 3, framing unit ends 1d or 1c the end portion 1a of the a 2 bonded via a joint portion.
また、軸組ユニットA4のトラス梁１の上弦材及び下弦
材の端部1bを軸組ユニットA1の端部1aに接合し、端部1
c,1dを軸組ユニットA3の端部1d或いは1cと軸組ユニット
A2の端部1aとの接合部に接合する。Also, joining the end portion 1b of the upper chord member and the lower chord member of the truss beam 1 of framing unit A 4 at the end portion 1a of the framing units A 1, end 1
c, 1d the framing unit A 3 end 1d or 1c and framing unit
Joined to the joint portion between the end portion 1a of the A 2.
係る場合にも、軸組ユニットA3及び軸組ユニットA4を
セットするための支保工は一切不要である。If according also shoring for setting the framing unit A 3 and framing unit A 4 are all unnecessary.
以下、同様にして新たに軸組ユニットＡを前の軸組
ユニットＡのトラス梁1,1の端部に接合しつつセットし
て立体トラス構造物の全体を構築する（第７図、第８図
参照）。なお、図中、符号５はトラス梁１の上弦材どう
し等を接合する接合プレートである。Hereinafter, similarly, a new frame unit A is newly set while being joined to the ends of the truss beams 1 and 1 of the previous frame unit A to construct the entire space truss structure (FIGS. 7 and 8). See figure). In the drawing, reference numeral 5 denotes a joining plate for joining upper chord members of the truss beam 1 and the like.
この発明に係る無サポート立体トラス構造物の構築工
法によれば、平面的な立体トラス構造物はいうまでもな
く、軸組ユニットＡを適当に傾けることによりアーチ形
或いはドーム形の立体トラス構造物も構築することがで
きる。According to the method of constructing an unsupported space truss structure according to the present invention, an arch-shaped or dome-shaped space truss structure can be obtained by appropriately tilting the frame unit A as well as a plane space truss structure. Can also be built.
なお、軸組ユニットとしては、第２図、第３図に図示
するようなＸ形の軸組ユニットＡを２個乃至複数個組み
合わせることにより構成されたＸ形の複合形軸組ユニッ
トを使用してもよく、このようなＸ形の複合形軸組ユニ
ットを使用すれば、軸組ユニット及び接合部の数が少な
くなり、工事の省力化及び工期の大幅な短縮化が可能と
なる。Note that, as the frame assembly unit, an X-type composite type frame assembly unit formed by combining two or more X-type frame assembly units A as shown in FIGS. 2 and 3 is used. Alternatively, if such an X-shaped composite type frame unit is used, the number of the frame units and the number of joints can be reduced, so that labor can be saved and the construction period can be significantly shortened.
また、必要に応じて、各軸組ユニットＡの下側に吊り
作業足場を設置しておけば、軸組ユニットの設置と同時
に作業足場も設置することができてきわて能率的であ
る。In addition, if a hanging work scaffold is installed below each frame unit A as necessary, the work scaffold can be installed simultaneously with the installation of the frame unit, which is efficient.
この発明に係る無サポート立体トラス構造物の構築工
法は以上の構成からなるので以下の効果を有する。Since the construction method of the unsupported space truss structure according to the present invention has the above configuration, it has the following effects.
これまでの立体トラス構造物の構築工法には、必ず
必要とされた支保工を全て省略することができるので、
支保工の組立及び撤去等の仮設作業がなくなり、合理的
かつ能率的な立体トラス構造物の構築が可能である。ま
た、省力化施工により工期の大幅短縮化及び工事費の大
幅低減化も可能である。さらに、合理的且つ能率的に作
業を進めることができる。In the conventional construction method of the three-dimensional truss structure, all the necessary support works can be omitted.
Temporary work such as assembling and removal of the shoring is eliminated, and a reasonable and efficient construction of a space truss structure is possible. In addition, labor-saving construction can significantly reduce the construction period and construction costs. Further, the work can proceed rationally and efficiently.
平面的な立体トラス構造物はいうまでもなくアーチ
形やドーム形等のような立体トラス構造物をも構築でき
る。It goes without saying that a three-dimensional truss structure such as an arch shape or a dome shape can be constructed as well as a planar three-dimensional truss structure.
軸組ユニットはＸ形或いはＸ形の複合形というきわ
めて簡単な形状に構成されているので、容易に組み立て
ることができる。Since the frame assembly unit is formed in an extremely simple shape of X type or X type composite type, it can be easily assembled.
また、軸組ユニットのトラス梁の交点と継ぎ手部と
の間にトラス梁の座屈を防止する座屈止め部材が取り付
けられているので、トラス梁を長めにして軸組ユニット
を大型に組み立てることもできる。In addition, a buckling prevention member for preventing buckling of the truss beam is attached between the intersection of the truss beam of the frame unit and the joint, so that the truss beam is made longer and the frame unit is assembled in a large size. Can also.
第１図〜第12図は、この発明に係る無サポート立体トラ
ス構造物の構築工法の一実施例を示し、第１図、第２図
及び第３図は軸組ユニットの概要平面図、第４図〜第11
図は立体トラス構造物の構築方法を示す工程図、第12図
は立体トラス構造物の一部斜視図である。 A,A1,A2,A3,A4……軸組ユニット、１……トラス梁、 ２……座屈止め部材、３……側梁、４……支持構造物、
５……接合プレート。1 to 12 show an embodiment of a method of constructing an unsupported space truss structure according to the present invention. FIGS. 1, 2 and 3 are schematic plan views of a frame unit. Figures 4 to 11
The figure is a process diagram showing a method of constructing a space truss structure, and FIG. 12 is a partial perspective view of the space truss structure. A, A 1 , A 2 , A 3 , A 4 …… Frame unit, 1… Truss beam, 2… Buckling prevention member, 3… Side beam, 4… Support structure,
5 ... Joint plate.
Claims (1)
結し、かつ、前記上弦材及び下弦材の両端部に上弦材ど
うし及び下弦材どうしをそれぞれ接合する継ぎ手部を設
けることにより構成されたトラス梁を複数本用い、Ｘ形
もしくはその複合形に組み立てると共に、平面視におけ
る複数本のトラス梁の交点と継ぎ手部との間に座屈止め
部材を配置して複数組の軸組ユニットを構成し、この軸
組ユニットの外周を構成する仮想の辺であって平面視で
隣接する２辺上に位置する上弦材および下弦材の継ぎ手
部を、前記軸組ユニットの周囲に掛け渡された側梁およ
び／または先に設置された軸組ユニットの上弦材および
下弦材の継ぎ手部に、それぞれ接合しながら前記座屈止
め部材どうしを連結し、軸組ユニットの隣接設置を順次
繰り返して立体トラス構造物を構築することを特徴とす
る無サポート立体トラス構造物の構築工法。1. An upper chord material and a lower chord material are connected by a plurality of lattice members, and joints are provided at both ends of the upper chord material and the lower chord material to join the upper chord material and the lower chord material, respectively. A plurality of truss beams are assembled using the plurality of truss beams and assembled into an X shape or a composite shape thereof, and a buckling prevention member is arranged between an intersection of the plurality of truss beams and a joint portion in a plan view to form a plurality of shaft sets. A joint portion of upper chord material and lower chord material located on two sides adjacent to each other in a plan view, which are virtual sides forming the outer periphery of the frame unit, around the frame unit; The buckling prevention members are connected to the joints of the upper chord material and the lower chord material, which have been previously installed, to the joint portions of the upper chord member and the lower chord member, and the adjacent installation of the frame unit is sequentially repeated. Three-dimensional Construction method of non-support space truss structure, characterized in that constructing a scan structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294947A JP2868135B2 (en) | 1990-10-31 | 1990-10-31 | Construction method of unsupported space truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294947A JP2868135B2 (en) | 1990-10-31 | 1990-10-31 | Construction method of unsupported space truss structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04169627A JPH04169627A (en) | 1992-06-17 |
| JP2868135B2 true JP2868135B2 (en) | 1999-03-10 |
Family
ID=17814344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2294947A Expired - Fee Related JP2868135B2 (en) | 1990-10-31 | 1990-10-31 | Construction method of unsupported space truss structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2868135B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291004B (en) * | 2013-06-27 | 2016-08-10 | 贵州大学 | A kind of assembled rectangular plane roof and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844010U (en) * | 1971-09-23 | 1973-06-08 | ||
| JPH0747523Y2 (en) * | 1986-10-15 | 1995-11-01 | 株式会社巴コーポレーション | Three-dimensional truss structure |
-
1990
- 1990-10-31 JP JP2294947A patent/JP2868135B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04169627A (en) | 1992-06-17 |
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