JPH0625488B2 - Membrane structure - Google Patents
Membrane structureInfo
- Publication number
- JPH0625488B2 JPH0625488B2 JP63089438A JP8943888A JPH0625488B2 JP H0625488 B2 JPH0625488 B2 JP H0625488B2 JP 63089438 A JP63089438 A JP 63089438A JP 8943888 A JP8943888 A JP 8943888A JP H0625488 B2 JPH0625488 B2 JP H0625488B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- frame
- tension
- string
- chord cable
- 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
- Tents Or Canopies (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明はケーブルを用いて膜材に張力を導入する構造
の膜構造物に関するものである。The present invention relates to a membrane structure having a structure in which tension is introduced into a membrane material by using a cable.
ケーブルを用いた膜構造物では、通常膜材の周辺、また
は両端を支持しておき、これにケーブルにより面外方向
へ力を加えることにより張力が導入されるが、この構造
は一般に鉄骨等の骨組を併用することが多く、主要な架
構は鉄骨で構成されるので部材数が多くなり、屋根の重
量が大きくなるのが実情である。また鉄骨の存在により
膜材自身が張力を得ることによって保有する形態の美し
さが損なわれる恐れがある。In a membrane structure using a cable, the periphery or both ends of the membrane material is usually supported, and tension is introduced by applying a force to the membrane material in an out-of-plane direction. In many cases, a frame is used together, and since the main frame is composed of steel frames, the number of members is large and the weight of the roof is large. In addition, the presence of the steel frame may cause the film material itself to obtain tension, which may impair the beauty of the form.
この発明はこうしたケーブルを用いた膜構造物の事情を
踏まえてなされたもので、ケーブルを架構として利用す
ることにより上記の不都合を解消しようとするものであ
る。The present invention has been made in view of the situation of a membrane structure using such a cable, and is intended to solve the above-mentioned inconvenience by using the cable as a frame.
本発明では膜材の張られる上弦ケーブルと張力を導入す
る下弦ケーブル間に双方を互いに引き寄せるつなぎ材を
架設してケーブルビームを形成し、これを膜材を支持す
る架構として自立させることにより膜材本来の形態を生
かしながら架構の簡素化及び軽量化を実現する。According to the present invention, a cable beam is formed by erection of a connecting material that draws the upper string cable and the lower string cable, which draws tension, from each other, thereby forming a cable beam. Realize the simplification and weight saving of the frame while utilizing the original form.
ケーブルビームは距離をおいて並列する鉄骨等よりなる
骨組間にこれに直交して架設されて架構を形成し、上弦
ケーブルは骨組の上端に接続され、下弦ケーブルは下向
き（負）の曲率に湾曲した状態に骨組の下端に滑動自在
に支持される。The cable beam is erected orthogonally to a frame made of steel frames or the like that are arranged in parallel at a distance to form a frame structure, the upper chord cable is connected to the upper end of the frame, and the lower chord cable is curved downward (negative). In this state, the lower end of the frame is slidably supported.
膜材へは、下弦ケーブルを緊張することによりつなぎ材
が下方へ引き寄せられ、同時に上弦ケーブルが上向き
（正）の曲率に湾曲し、張力が導入されることになる。When the lower chord cable is tensioned, the tie member is pulled downward to the membrane material, and at the same time, the upper chord cable is bent to have an upward (positive) curvature and tension is introduced.
以下本発明を一実施例を示す図面に基づいて説明する。 The present invention will be described below with reference to the drawings illustrating an embodiment.
この発明の膜構造物Ａは第１図−Ｉに示すように上弦ケ
ーブル１と下弦ケーブル２とをつなぎ材３で連結してな
るケーブルビームａを並列する骨組ｂ，ｂ間に直交して
架設し、IIのように下弦ケーブル２を引張ることによっ
て上弦ケーブル１上に張られる膜材４に張力を導入する
構造としたものである。第２図はケーブルビームａと骨
組ｂ，ｂとの位置関係を示す。As shown in FIG. 1-I, the membrane structure A of the present invention is constructed so that a cable beam a formed by connecting an upper chord cable 1 and a lower chord cable 2 with a connecting member 3 is orthogonally arranged between the frames b and b arranged in parallel. Then, as in II, by pulling the lower chord cable 2, tension is introduced into the film material 4 stretched on the upper chord cable 1. FIG. 2 shows the positional relationship between the cable beam a and the frames b, b.
骨組ｂは鉄骨をトラス梁状に組み立てる、もしくは上記
の上下弦ケーブルとつなぎ材からなるケーブルビーム、
またはコンクリート梁等により形成される。The skeleton b is a steel beam assembled into a truss beam shape, or a cable beam composed of the above-mentioned upper and lower string cables and a connecting material,
Alternatively, it is formed by a concrete beam or the like.
上弦ケーブル１は第１図−Ｉに示すように骨組ｂ，ｂの
上端間に水平、もしくは下に凸に架設され、ここに接続
される。As shown in FIG. 1-I, the upper chord cable 1 is horizontally or convexly erected between the upper ends of the frames b and b, and is connected thereto.
一方下弦ケーブル２は骨ｂ，ｂの下端間に下向き（負）
の曲率、すなわち上に凸に架設され、ここにローラ５等
によって滑動自在に支持される。On the other hand, the lower string cable 2 faces downward (negative) between the lower ends of the bones b and b.
Of curvature, that is, an upward convex structure, and is slidably supported by rollers 5 and the like.
上弦ケーブル１と下弦ケーブル２とは１本、または長さ
の異なる複数本のつなぎ材３によって連結され、また膜
材４は上弦ケーブル１上に張り付けられて上弦ケーブル
１の挙動に追従する。The upper chord cable 1 and the lower chord cable 2 are connected by one or a plurality of tie members 3 having different lengths, and the film material 4 is stuck on the upper chord cable 1 and follows the behavior of the upper chord cable 1.
膜材４への張力導入は第１図−Ｉの状態において、下弦
ケーブル２の一端、または両端を外側へ引張ることによ
ってその曲率、すなわちライズを小さくし、つなぎ材３
により上弦ケーブル１を下方へ引き寄せ、これをIIのよ
うに上向き（正）の曲率にすることによって行われる。In the state of FIG. 1-I, the tension is introduced into the membrane material 4 by pulling one end or both ends of the lower chord cable 2 to the outside to reduce the curvature thereof, that is, the rise, and the tie member 3
By pulling the upper string cable 1 downward and making it have an upward (positive) curvature like II.
上弦ケーブル１と下弦ケーブル２の端部は第３図に示す
ように屋根架構を支持する周辺の支持構造物Ｂに定着さ
れる。The ends of the upper string cable 1 and the lower string cable 2 are fixed to a supporting structure B around the roof frame supporting the roof frame as shown in FIG.
第４図は本発明を実施した建物の構築例を示したもので
ある。FIG. 4 shows an example of building construction in which the present invention is implemented.
この発明は以上の通りであり、膜材の張られる上弦ケー
ブルとこれに張力を与える下弦ケーブルとからなるケー
ブルビームが架構を構成するものであるため屋根架構の
簡素化及び軽量化が図られると同時に、膜材は上弦ケー
ブルの形状に従うためその本来の形態を生かすことがで
きる。The present invention is as described above, and since the cable beam including the upper string cable on which the film material is stretched and the lower string cable that applies tension to the string beam constitutes the frame structure, simplification and weight reduction of the roof frame structure can be achieved. At the same time, the membrane material follows the shape of the upper chord cable, so that its original form can be utilized.
また下弦ケーブルのライズを大きく取っておくことによ
って膜材への再張力の導入も容易に行うことが可能であ
る。In addition, it is possible to easily introduce re-tension to the membrane material by keeping a large rise in the lower string cable.
第１図−Ｉ，IIはそれぞれケーブルビーム架設時、張力
導入時の様子を示した立面図、第２図はその平面図、第
３図，第４図は建物の構築例を示したそれぞれ断面図，
斜視図である。 Ａ……膜構造物、ａ……ケーブルビーム、１……上弦ケ
ーブル、２……下弦ケーブル、３……つなぎ材、４……
膜材、ｂ……骨組、５……ローラ、Ｂ……支持構造物。1-I and II are elevation views showing the state of cable beam installation and tension introduction, respectively, FIG. 2 is a plan view thereof, and FIGS. 3 and 4 show building construction examples, respectively. Cross section,
It is a perspective view. A ... Membrane structure, a ... Cable beam, 1 ... Upper string cable, 2 ... Lower string cable, 3 ... Connecting material, 4 ...
Membrane material, b ... Frame, 5 ... Roller, B ... Support structure.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭60−233279（ＪＰ，Ａ) 特開 昭63−32069（ＪＰ，Ａ) 特開 昭63−60374（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-60-233279 (JP, A) JP-A-63-32069 (JP, A) JP-A-63-60374 (JP, A)
Claims (1)
配置される下弦ケーブル間に双方を互いに引き寄せるつ
なぎ材を架設してなるケーブルビームを、距離をおいて
並列する骨組間にこれに直交して架設し、上弦ケーブル
を骨組の上端に接続し、下弦ケーブルを骨組の下端に滑
動自在に支持させるとともに、上弦ケーブル上に膜材を
張って構成され、下弦ケーブルを緊張して膜材に張力を
導入する構造としてあることを特徴とする膜構造物。Claim: What is claimed is: 1. A cable beam comprising a connecting member for pulling the upper chord cable and a lower chord cable disposed below the lower chord cable and having a downward curvature between them. The upper chord cable is connected to the upper end of the skeleton, the lower chord cable is slidably supported on the lower end of the skeleton, and a film material is stretched over the upper chord cable. Membrane structure characterized by having a structure for introducing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63089438A JPH0625488B2 (en) | 1988-04-12 | 1988-04-12 | Membrane structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63089438A JPH0625488B2 (en) | 1988-04-12 | 1988-04-12 | Membrane structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01260179A JPH01260179A (en) | 1989-10-17 |
| JPH0625488B2 true JPH0625488B2 (en) | 1994-04-06 |
Family
ID=13970683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63089438A Expired - Fee Related JPH0625488B2 (en) | 1988-04-12 | 1988-04-12 | Membrane structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0625488B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6332069A (en) * | 1986-07-23 | 1988-02-10 | 新日本製鐵株式会社 | Metal membrane lining roof structure |
-
1988
- 1988-04-12 JP JP63089438A patent/JPH0625488B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01260179A (en) | 1989-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |