JPH10299171A - Support member for architectural structure - Google Patents
Support member for architectural structureInfo
- Publication number
- JPH10299171A JPH10299171A JP12621697A JP12621697A JPH10299171A JP H10299171 A JPH10299171 A JP H10299171A JP 12621697 A JP12621697 A JP 12621697A JP 12621697 A JP12621697 A JP 12621697A JP H10299171 A JPH10299171 A JP H10299171A
- Authority
- JP
- Japan
- Prior art keywords
- support member
- webs
- flange
- web
- thin steel
- 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.)
- Granted
Links
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、主にスチールハウ
スにおいて使用される薄鋼板製等の支持部材ユニットの
補強構造及び支持部材ユニットを補強した建築構造用支
持部材で、耐力耐震構造の屋根下地を構成する鋼製たる
き、床下地を構成する根太材として使用するのに適し、
その他の建築構造用部材としても使用可能な薄鋼板製等
の支持部材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing structure for a supporting member unit made of a thin steel plate or the like used mainly in a steel house and a supporting member for a building structure in which the supporting member unit is reinforced. Suitable for use as a steel rafter that composes a floor, a joist that composes a floor substrate,
The present invention relates to a support member made of a thin steel plate or the like that can be used as another member for building structures.
【０００２】[0002]
【従来の技術】一般に、建築構造用構造物の曲げ部材
は、その支持スパン、あるいは加わる荷重によって必要
となる断面性能が大きく変化するために、使用する部材
の形状，あるいは、部材の板厚を使用箇所に合わせて変
化させる必要があり、その為使用する部材の種類が増し
て不経済になる。一方、使用する部材の種類を減らす為
に、全ての部材を最も断面性能の大きな部材に統一する
ことも多くおこなわれているが、部位によっては必要以
上の性能を有する部材が使用されることになるため不経
済になる。前記の問題を解決するための一つの方法とし
て、図１２に示すようなウエブ１と一体に連設された第
１フランジ２と第２フランジ３を備えたＣ形鋼からなる
支持部材ユニット４相互を、図１３に示すように、各ウ
エブ１を同レベルに配置して、前記各支持部材ユニット
４におけるウエブ相互を当接さて結合させたつづり合わ
せ梁２０が使用されていた。2. Description of the Related Art In general, a bending member of a structure for a building structure is required to have a shape or a thickness of a member to be used because a required cross-sectional performance greatly changes depending on a supporting span or an applied load. It is necessary to change it in accordance with the place of use, which increases the types of members used and becomes uneconomical. On the other hand, in order to reduce the types of members used, it is common practice to unify all members to members with the highest cross-sectional performance, but depending on the part, members with unnecessary performance are used. It becomes uneconomical. As one method for solving the above-mentioned problem, as shown in FIG. 12, a support member unit 4 made of a C-shaped steel having a first flange 2 and a second flange 3 integrally connected to a web 1 is provided. As shown in FIG. 13, a continuous beam 20 is used in which the webs 1 are arranged at the same level and the webs of the support member units 4 are brought into contact with each other and joined.
【０００３】[0003]
【発明が解決しようとする課題】つづり合わせ梁２０の
ように構成すれば、同じ部材を２つ組み合わせること
で、２倍の断面性能を有する部材にすることができる。
しかし材料を２倍にして性能も２倍であるので、より大
きな断面性能を有する部材にならないので、コスト高に
なるという問題がある。If the beam is constructed like the continuous beam 20, a member having twice the cross-sectional performance can be obtained by combining two same members.
However, since the material is doubled and the performance is also doubled, a member having a larger cross-sectional performance is not obtained, so that there is a problem that the cost is increased.
【０００４】本発明は前記従来の問題点を解決したもの
で、同一断面部材のウエブ同士を重ね合わせると共にウ
エブ巾方向に相対的にずらして配置して、ドリリングタ
ッピングネジ，スクリュウ接合，溶接，ボルト接合等で
ウエブ相互を接合することで、高耐力，高剛性を有し、
大きな経済的な効果が見込め、現場施工する場合におい
ても優れている建築構造用薄鋼板製等の建築構造用支持
部材を提供することを目的とする。The present invention solves the above-mentioned conventional problems. Webs having the same cross-sectional members are overlapped with each other and arranged relatively shifted in the width direction of the web to form a drilling tapping screw, screw connection, welding, bolting. By joining the webs by joining, etc., it has high strength and high rigidity,
An object of the present invention is to provide a support member for a building structure, such as a thin steel plate for a building structure, which is expected to have a great economic effect and is excellent even in the case of on-site construction.
【０００５】[0005]
【課題を解決するための手段】前記の目的を達成するた
め、本発明は、ウエブの両端にこれと一体に連設された
第１フランジと第２フランジを設けて支持部材ユニット
を構成し、同一断面部材からなる一対の前記支持部材ユ
ニットにおけるウエブ相互を当接させると共に、ウエブ
巾方向に相対的にずらして配置し、かつウエブ相互を結
合して構成してなることを特徴とする。また、本発明
は、一枚の帯状薄鋼板を折り曲げ加工して、少なくとも
ウエブとその両端に、第１フランジと第２フランジを一
体に連設して支持部材ユニットを構成し、同一断面部材
からなる一対の前記支持部材ユニットにおけるウエブ相
互を当接させると共に、ウエブ巾方向に相対的にずらし
て配置し、かつウエブ相互を結合して構成してなること
を特徴とする。また、本発明は、前記薄鋼板製支持部材
ユニットが、Ｃ形鋼，Ｚ形鋼又はＪ形鋼のいずれか一つ
からなることを特徴とする。また、本発明は、一枚の帯
状薄鋼板を折り曲げ加工して、ウエブの両端にこれと一
体に連設された第１フランジと第２フランジを設け、第
１フランジの先端を折返して第３フランジを設けること
で略Ｊ又は略逆Ｊ形の端面形状の薄鋼板製支持部材ユニ
ットを構成し、同一断面部材からなる一対の前記支持部
材ユニットを互いに逆向き配置してウエブ相互を当接さ
せると共に、ウエブ巾方向に相対的にずらして配置し、
かつウエブ相互を結合して構成してなることを特徴とす
る。また、本発明は、前記第１フランジないし第３フラ
ンジの少なくともいずれか一つにリップを折曲げ等によ
り一体に形成したことを特徴とする。また、本発明は、
一対の前記支持部材ユニットにおけるウエブ相互の重ね
合わせ長さＬを、ウエブの巾をＷとして、 Ｗ／１０≦Ｌ≦Ｗ９／１０ とした構成を特徴とする。In order to achieve the above object, the present invention provides a support member unit comprising a first flange and a second flange integrally provided at both ends of a web, The webs of the pair of support member units having the same cross-sectional members are brought into contact with each other, are arranged relatively shifted in the web width direction, and are connected to each other. Further, the present invention provides a supporting member unit by bending a single strip-shaped thin steel plate and integrally connecting a first flange and a second flange to at least the web and both ends thereof, thereby forming a supporting member unit. The webs of the pair of support member units are brought into contact with each other, are arranged relatively shifted in the web width direction, and are connected to each other. Further, the present invention is characterized in that the thin steel plate supporting member unit is made of any one of C-shaped steel, Z-shaped steel and J-shaped steel. Further, the present invention provides a method for bending a strip-shaped thin steel plate, providing a first flange and a second flange integrally connected to both ends of the web, and folding the tip of the first flange to form a third flange. By providing a flange, a thin steel plate supporting member unit having a substantially J-shaped or substantially inverted J-shaped end face is formed, and a pair of the supporting member units having the same cross-sectional members are arranged in opposite directions to bring the webs into contact with each other. At the same time, it is arranged relatively shifted in the web width direction,
In addition, it is characterized in that the webs are connected to each other. Further, the present invention is characterized in that a lip is integrally formed on at least one of the first to third flanges by bending or the like. Also, the present invention
The overlap length L between the webs in the pair of support member units is defined as W / 10 ≦ L ≦ W9 / 10, where W is the width of the web.
【０００６】本発明によると、薄鋼板等を曲げ加工で一
体成形でき、同一断面部材のウエブ同士を重ね合わせる
と共にウエブ巾方向に相対的にずらして配置して、ドリ
リングタッピングネジ，スクリュウ接合，溶接，ボルト
接合等で接合することで、高耐力，高剛性を有し、大き
な経済的な効果が見込め、現場施工する場合においても
優れている建築構造用薄鋼板製等の支持部材とすること
ができる。According to the present invention, a thin steel plate or the like can be integrally formed by bending, and webs of the same cross section are overlapped with each other and arranged relatively shifted in the width direction of the web to form a drilling tapping screw, screw joining, welding. It can be used as a support member made of thin steel sheet for building structure, which has high yield strength and high rigidity, is expected to have a great economic effect, and is excellent even in the case of on-site construction. it can.
【０００７】[0007]
【発明の実施の形態】以下本発明の実施の形態を図を参
照して説明する。図１および図２は、本発明において使
用される第１例の支持部材ユニット４およびその支持部
材ユニット４を使用して構成した薄鋼板製支持部材５の
第一実施形態を示すものであって、一枚の帯状薄鋼板が
折り曲げ加工されて、ウエブ１の両端部に、これと一体
に第１フランジ（上部フランジ）２および第２フランジ
（下部フランジ）３がウエブ１と直角に屈曲連設され、
かつ前記ウエブ１と平行に、上部フランジ２および下部
フランジ３先端部にこれと一体にリップ６が直角に屈曲
連設されて、支持部材ユニット４が構成されている。こ
の薄鋼板製支持部材ユニット４は、厚さ０．８ｍｍ〜
２．０ｍｍの範囲、多くの場合は、１．０ｍｍ厚で所定
長さの一枚の薄鋼板を、ロールフォーミングにより曲げ
加工して図示の端面形状（この場合はリップ付き溝型鋼
であるが、リップ６のない軽量溝型鋼にすることもでき
るので、これらを総称してＣ形鋼と略称する）に成形さ
れたものである。Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show a first embodiment of a support member unit 4 of a first example used in the present invention and a support member 5 made of a thin steel plate using the support member unit 4. One strip-shaped thin steel plate is bent, and a first flange (upper flange) 2 and a second flange (lower flange) 3 are integrally formed on both ends of the web 1 integrally with the web 1 at right angles. And
In parallel with the web 1, a lip 6 is bent at the right end of the upper flange 2 and the lower flange 3 at right angles integrally therewith to form a support member unit 4. The thin steel plate supporting member unit 4 has a thickness of 0.8 mm to
In the range of 2.0 mm, in many cases, a single thin steel sheet having a thickness of 1.0 mm and a predetermined length is bent by roll forming to form the illustrated end face (in this case, a grooved steel with a lip, Light-weight grooved steel without the lip 6 can also be used, so these are collectively abbreviated as C-shaped steel).
【０００８】このように構成された同一断面部材からな
る一対の前記薄鋼板製支持部材ユニット４におけるウエ
ブ相互を重合するように当接させると共にウエブ１の巾
方向に、ウエブ１のほぼ１／２の巾が重合するように相
対的にずらして配置し、かつウエブ１相互が、ウエブ巾
方向に所定の間隔を置くと共にウエブ長手方向（支持部
材ユニット４の長手方向）に所定の間隔を置いて打込ま
れたドリリングタッピングネジ７等の固着手段により相
互に固着されて構造物用薄鋼板製支持部材５が構成され
ている。The webs of the pair of thin steel plate supporting member units 4 having the same cross-sectional structure are brought into contact with each other so as to overlap with each other, and the width of the web 1 is almost １ ／ of that of the web 1. And the webs 1 are spaced apart from each other so as to overlap, and the webs 1 are spaced apart from each other at a predetermined interval in the web width direction and at a predetermined interval in the web longitudinal direction (the longitudinal direction of the support member unit 4). The support member 5 made of a thin steel sheet for a structure is fixed to each other by fixing means such as a drilling tapping screw 7 which is driven in.
【０００９】前記ウエブ１相互の重ね合わせ部分の巾
は、その巾が小さくするほど曲げ剛性および曲げ耐力は
大きくなり補強効果は大きくなるが、十分に接合するた
めには、ある程度の重ね合わせ長さ（ラップ長）Ｌを必
要になるため、以下の範囲に設定する事ができる。すな
わち、一対の前記薄鋼板製支持部材ユニット４における
ウエブ１相互の重ね合わせ長さＬを、ウエブの巾をＷと
して、 Ｗ／１０≦Ｌ≦Ｗ９／１０As the width of the overlapping portion of the webs 1 becomes smaller, the bending stiffness and the bending strength increase and the reinforcing effect increases as the width decreases. Since (lap length) L is required, it can be set in the following range. That is, the overlapping length L of the webs 1 in the pair of thin steel plate supporting member units 4 is defined as W / 10 ≦ L ≦ W9 / 10, where W is the width of the web.
【００１０】ウエブ１相互の重ね合わせ部分の巾は、そ
の巾が大きくすると曲げ剛性および曲げ耐力は小さくな
り十分な補強効果が期待できなくなり、重ね合わせ部分
の巾が小さすぎると不安定な構造となるため、重ね合わ
せ長さ（ラップ長）Ｌを以下の範囲に設定するのが望ま
しい。 Ｗ／３≦Ｌ≦Ｗ３／５[0010] If the width of the overlapping portions of the webs 1 is large, the bending rigidity and the bending strength become small, and a sufficient reinforcing effect cannot be expected. If the width of the overlapping portions is too small, an unstable structure is obtained. Therefore, it is desirable to set the overlap length (wrap length) L in the following range. W / 3 ≦ L ≦ W3 / 5
【００１１】支持部材５を構成する場合、図３の（Ａ）
に示すように、上側の支持部材ユニット４に対して、そ
の支持部材ユニット４よりも短尺の支持部材ユニット４
ａを前述と同様にウエブ１相互を結合するようにしても
よい。前記上側の支持部材ユニット４のウエブ１の端部
には、２点鎖線で示す取付金物８に取付けるためのボル
ト挿入孔１０が設けられている。また図３の（Ｂ）に示
すように、上側と下側の支持部材ユニット４，４ａを同
じ長さにしてもよく、この場合には、下側の支持部材ユ
ニット４ａのウエブ１の端部に、２点鎖線で示す取付金
物８に取付けるためのボルト挿入孔１０が設けるように
してもよい。図３の（Ａ），（Ｂ）のいずれの場合も、
上側または下側の支持部材ユニット４，４のウエブ１ま
たは上部フランジ２あるいは下部フランジ３を利用し
て、スチールハウスにおける他のフレームに、前述のド
リリングタッピングネジ，ボルト接合その他の結合手段
により、支持部材５を梁材または根太材あるいはその他
の曲げ荷重を負担する部材として利用することができる
が、胴縁その他の建築用の部材としても利用することが
できる。When the support member 5 is constructed, FIG.
As shown in the figure, the upper supporting member unit 4 is shorter than the supporting member unit 4.
a may be connected to each other in the same manner as described above. At the end of the web 1 of the upper support member unit 4, there is provided a bolt insertion hole 10 for mounting to a mounting hardware 8 indicated by a two-dot chain line. As shown in FIG. 3B, the upper and lower support member units 4 and 4a may have the same length. In this case, the end of the web 1 of the lower support member unit 4a Alternatively, a bolt insertion hole 10 for attachment to the mounting hardware 8 shown by a two-dot chain line may be provided. In both cases (A) and (B) of FIG.
Utilizing the web 1 or the upper flange 2 or the lower flange 3 of the upper or lower support member unit 4, 4, the other frame in the steel house is supported by the aforementioned drilling tapping screw, bolt connection or other connecting means. The member 5 can be used as a beam, a joist, or any other member that bears a bending load, but can also be used as a rim or other architectural member.
【００１２】図４には、厚さ１．６ｍｍの帯状薄鋼板に
より製作された同じ断面寸法（単位ｍｍ）の支持部材ユ
ニット４を使用した場合で、単材のＣ形鋼からなる支持
部材ユニット４の場合（Ａ）と、従来のつづり合わせ梁
２０にした場合（Ｂ）と、本発明の実施形態の支持部材
５の場合（Ｃ）について、横軸（Ｘ）にかんする断面２
次モーメントＩｘと、断面係数Ｚｘについて比較したも
のであって、同図から、つづり合わせ梁２０にした場合
には、断面２次モーメントが２倍で断面係数Ｚｘが２倍
までしかならないのに対し、本発明を実施して、ウエブ
１の巾の１／２が重合するように結合した場合には、断
面２次モーメントが約４．８倍になると共に、断面係数
Ｚｘが約３．２倍になり、曲げ剛性および曲げ耐力が改
善されて、高剛性，高耐力の支持部材になることがわか
る。なお、前述のような薄鋼板により製作された支持部
材ユニット４，４ａの場合には、ドリリングタッピング
ネジ７の打込みにより、予めウエブ１に透孔を設けなく
ても接合できるので、現場施工する場合にも容易に接合
することができる。FIG. 4 shows a case in which a support member unit 4 made of a strip-shaped thin steel plate having a thickness of 1.6 mm and having the same cross-sectional dimension (unit: mm) is used. 4 (A), the conventional beam 20 (B), and the support member 5 (C) of the embodiment of the present invention, the cross section 2 along the horizontal axis (X).
This is a comparison of the moment of inertia Ix and the section modulus Zx. From the figure, when the stiffened beam 20 is used, the section moment of inertia is twice and the section modulus Zx is only up to twice. When the present invention is practiced and the web 1 is joined so that half of the width of the web 1 overlaps, the second moment of area becomes about 4.8 times and the section modulus Zx becomes about 3.2 times. It can be seen that the bending rigidity and the bending strength are improved, and the supporting member has high rigidity and high strength. In the case of the support member units 4 and 4a made of the thin steel plate as described above, since the drilling tapping screw 7 can be used to join the web 1 without providing a through hole in advance, the site construction is performed. Can be easily joined.
【００１３】図５および図６は、本発明において使用さ
れる第２例の支持部材ユニット４ｂおよびその支持部材
ユニット４ｂを使用して構成した薄鋼板製支持部材５の
第２実施形態を示すものであって、一枚の帯状薄鋼板が
折り曲げ加工されて、ウエブ１の両端部に、これと一体
に第１フランジ（上部フランジ）２および第２フランジ
（下部フランジ）３がウエブ１と直角に屈曲連設され、
かつ前記ウエブ１と平行に、第１フランジ２および第２
フランジ３の先端部にこれと一体にリップ６が直角に屈
曲連設されて、さらに前記第１フランジ（上部フラン
ジ）２および第２フランジ（下部フランジ）３は、いず
れか一方がウエブ１の一側面側に、他方が、ウエブ１の
他側面側に配置されるように設けられて、略Ｚ形鋼に構
成された支持部材ユニット４ｂが構成されている。この
薄鋼板製支持部材ユニット４ｂは、前記第一実施形態と
同様な板厚の帯状の一枚の薄鋼板を、ロールフォーミン
グにより曲げ加工して図示の端面形状（この場合は、Ｚ
形鋼と略称する）に成形されたものである。FIGS. 5 and 6 show a second embodiment of a supporting member unit 4b of the second example used in the present invention and a supporting member 5 made of a thin steel plate constituted by using the supporting member unit 4b. A strip-shaped thin steel plate is bent, and a first flange (upper flange) 2 and a second flange (lower flange) 3 are integrally formed on both ends of the web 1 at right angles to the web 1. It is flexibly connected,
And a first flange 2 and a second flange 2 parallel to the web 1.
A lip 6 is bent and connected at a right angle to the tip of the flange 3 integrally therewith. One of the first flange (upper flange) 2 and the second flange (lower flange) 3 is one of the webs 1. A supporting member unit 4b is provided on the side surface side so that the other is disposed on the other side surface side of the web 1, and is formed of a substantially Z-shaped steel. The support member unit 4b made of a thin steel plate is formed by bending a single thin steel plate having a thickness similar to that of the first embodiment by roll forming to form an end face shown in the drawing (in this case, Z
(Abbreviated as shaped steel).
【００１４】このように構成された同一断面部材からな
る一対の前記薄鋼板製支持部材ユニット４ｂにおけるウ
エブ１相互が重合するように当接させると共にウエブ１
の巾方向に、ウエブ１のほぼ１／２の巾が重合するよう
に相対的に平行にずらして配置し、かつウエブ１相互
が、ウエブ巾方向に所定の間隔を置くと共にウエブ長手
方向に所定の間隔を置いて打込まれたドリリングタッピ
ングネジ７等の固着手段により相互に固着されて構造物
用薄鋼板製支持部材５ｂが構成されている。The webs 1 of the pair of thin steel plate supporting member units 4b composed of the members having the same cross-section as described above are brought into contact with each other so as to overlap with each other.
In the width direction of the web 1, the webs 1 are arranged so as to be shifted relatively in parallel so that approximately half the width of the web 1 overlaps. Are fixed to each other by a fixing means such as a drilling tapping screw 7 which is driven in at intervals of a distance, to form a thin steel plate supporting member 5b for a structure.
【００１５】図７および図８は、本発明において使用さ
れる第３例の支持部材ユニット４ｃおよびその支持部材
ユニット４ｃを使用して構成した薄鋼板製支持部材５ｃ
の第３実施形態を示すものであって、一枚の帯状薄鋼板
が折り曲げ加工されて、ウエブ１の両端部に、これと一
体に第１フランジ（上部フランジ）２および第２フラン
ジ（下部フランジ）３がウエブ１と直角に、かつウエブ
１の一側面側に配置されるように屈曲連設され、前記第
１フランジ２の先端から上に折返して前記第１フランジ
２の上面に重合するように第３フランジ９が連設され、
前記第３フランジ（上部フランジ）９および第２フラン
ジ（下部フランジ）３の先端部に、これと一体に、かつ
前記ウエブ１と平行にリップ６が直角に屈曲連設され
て、略逆Ｊ形鋼に構成されて支持部材ユニット４ｃが構
成されている。この薄鋼板製支持部材ユニット４ｃは、
前記第一実施形態と同様な板厚の帯状の一枚の薄鋼板
を、ロールフォーミングにより曲げ加工して図示の端面
形状（この場合は、逆Ｊ形鋼と略称する）に成形された
ものである。FIGS. 7 and 8 show a third embodiment of a support member unit 4c used in the present invention and a thin steel plate support member 5c constructed using the support member unit 4c.
In the third embodiment, a single strip-shaped thin steel plate is bent, and a first flange (upper flange) 2 and a second flange (lower flange) are integrally formed on both ends of the web 1. 3) is bent and connected so as to be arranged at a right angle to the web 1 and on one side of the web 1 so as to be folded upward from the tip of the first flange 2 and overlap the upper surface of the first flange 2. Is provided with a third flange 9,
A lip 6 is bent and provided at the right end of the third flange (upper flange) 9 and the second flange (lower flange) 3 at a right angle integrally therewith and in parallel with the web 1 so as to be substantially inverted J-shaped. The support member unit 4c is made of steel. This thin steel plate supporting member unit 4c
A strip-shaped thin steel plate having the same plate thickness as that of the first embodiment is formed by bending by roll forming into an end face shape shown in this case (in this case, abbreviated as an inverted J-section steel). is there.
【００１６】このように構成された同一断面部材からな
る一対の前記薄鋼板製支持部材ユニット４ｃの一方を上
下逆向きに配置して、各ウエブ相互が重合するように当
接させると共にウエブ１の巾方向に、ウエブ１のほぼ１
／２の巾が重合するように相対的にずらして配置し、か
つウエブ１相互が、ウエブ巾方向に所定の間隔を置くと
共にウエブ長手方向（支持部材ユニット４の長手方向）
に所定の間隔を置いて打込まれたドリリングタッピング
ネジ７等の固着手段により相互に結合されて構造物用薄
鋼板製支持部材５ｃが構成されている。One of the pair of thin steel plate supporting member units 4c composed of the same cross-sectional members is arranged upside down so that the webs abut each other so that they overlap with each other. In the width direction, approximately 1 of web 1
/ 2 are arranged so as to be shifted relative to each other so as to overlap each other, and the webs 1 are spaced from each other at a predetermined interval in the web width direction and the web longitudinal direction (the longitudinal direction of the support member unit 4).
Are connected to each other by a fixing means such as a drilling tapping screw 7 which is driven at a predetermined interval to form a thin steel plate support member 5c for a structure.
【００１７】図９には、厚さ０．８ｍｍの帯状薄鋼板に
より製作された同じ断面寸法（単位ｍｍ）の支持部材ユ
ニット４を使用した場合で、単材のＣ形鋼からなる支持
部材ユニット４ｃの場合（Ａ）と、従来の場合と同様な
つづり合わせ梁２０ａにした場合（Ｂ）と、本発明の実
施形態の支持部材５の場合（Ｃ）について、横軸（Ｘ）
にかんする断面２次モーメントＩｘと、断面係数Ｚｘに
ついて比較したものであって、同図から、つづり合わせ
梁２０ａにした場合には、断面２次モーメントが２倍で
断面係数Ｚｘが２倍までしかならないのに対し、本発明
を実施して、ウエブ１の巾の１／２が重合するように結
合した場合には、断面２次モーメントが約４倍になると
共に、断面係数Ｚｘが約３．５倍になり、曲げ剛性およ
び曲げ耐力が改善されて、高剛性，高耐力の支持部材に
なることがわかる。なお、前述のような薄鋼板により製
作された支持部材ユニット４ｃの場合には、前述の場合
と同様にドリリングタッピングネジ７により、予めウエ
ブ１に透孔を設けなくても接合できるので、現場施工す
る場合にも容易に接合することができる。FIG. 9 shows a case where a supporting member unit 4 made of a strip-shaped thin steel sheet having a thickness of 0.8 mm and having the same sectional dimension (unit: mm) is used. The horizontal axis (X) indicates the case (A) of FIG. 4c, the case (B) of the stiffened beam 20a similar to the conventional case, and the case (C) of the support member 5 according to the embodiment of the present invention.
This is a comparison of the section moment of inertia Ix with respect to the section modulus Zx. From the figure, in the case of the stiffened beam 20a, the section moment of inertia is twice and the section modulus Zx is only up to twice. On the other hand, when the present invention is practiced and the webs 1 are joined so that half of the width of the webs 1 overlaps, the second moment of area becomes about four times and the section modulus Zx becomes about 3. It can be seen that the bending strength is increased five times, and the bending rigidity and the bending strength are improved, and the supporting member has high rigidity and high strength. In the case of the support member unit 4c made of a thin steel sheet as described above, the joining can be performed by the drilling tapping screw 7 without providing a through hole in the web 1 in advance in the same manner as described above. In this case, it can be easily joined.
【００１８】図１０および図１１は、本発明において使
用される第４例の支持部材ユニット４ｄおよびその支持
部材ユニット４ｄを使用して構成した薄鋼板製支持部材
５の第４実施形態を示すものであって、一枚の帯状薄鋼
板が折り曲げ加工されて、ウエブ１の両端部に、これと
一体に第１フランジ（上部フランジ）２および第２フラ
ンジ（下部フランジ）３がウエブ１と直角に、かつ前記
第１フランジ２がウエブ１の一側面側に配置されると共
に前記第２フランジ３がウエブ１の他側面側に配置され
るように屈曲連設され、前記第１フランジ２の先端から
上に折返して前記第１フランジ２の上面に重合するよう
に第３フランジ９が連設され、前記第３フランジ（上部
フランジ）９および第２フランジ（下部フランジ）３の
先端部に、これと一体に、かつ前記ウエブ１と平行にリ
ップ６が直角に屈曲連設されて、略Ｊ形鋼に構成されて
支持部材ユニット４ｄが構成されている。この薄鋼板製
支持部材ユニット４ｄは、前記第一実施形態と同様な板
厚の帯状の一枚の薄鋼板を、ロールフォーミングにより
曲げ加工して図示の端面形状（この場合は、Ｊ形鋼と略
称する）に成形されたものである。FIGS. 10 and 11 show a fourth embodiment of a fourth embodiment of a support member unit 4d used in the present invention and a thin steel plate support member 5 constructed using the support member unit 4d. A single strip-shaped thin steel plate is bent, and a first flange (upper flange) 2 and a second flange (lower flange) 3 are integrally formed on both ends of the web 1 at right angles to the web 1. The first flange 2 is arranged on one side of the web 1 and the second flange 3 is bent and connected so as to be arranged on the other side of the web 1. A third flange 9 is continuously provided so as to be turned up and overlapped on the upper surface of the first flange 2. The third flange 9 (upper flange) 9 and the second flange (lower flange) 3 have Body, and is the web 1 and in parallel to the lip 6 is bent continuously provided at right angles, the support member unit 4d is configured to substantially J-shaped steel is formed. The thin steel plate supporting member unit 4d is formed by bending a single strip of thin steel sheet having the same thickness as that of the first embodiment by roll forming and forming the end face shown in the drawing (in this case, a J-shaped steel sheet). Abbreviated).
【００１９】この第４例の薄鋼板製支持部材５の場合
も、前記第３例の薄鋼板製支持部材５の場合と同様に、
ドリリングタッピングネジ７等の固着手段により、支持
部材ユニット４相互を結合するので、その説明を省略す
る。前記第３実施形態におけるリップ６の高さが高くな
るような場合には、第２フランジ３側のリップ６とウエ
ブ１の間の外側寸法ｅよりも、第３フランジ９側のリッ
プ６とウエブ１の間の内側寸法ｆを大きくしておくと、
支持部材ユニット４を逆向きに配置した時に、第２フラ
ンジ３側を第３フランジ９側の凹所１１にも位置させる
ことができるので、リップ６を付けた場合でも、リップ
６がない場合と同様に曲げ剛性および曲げ耐力の調整を
することができる。前記第３および第４実施形態の支持
部材５を構成する場合、図３に示す形態と同様な形態で
実施されるので、ボルト挿入孔１０，取付金物８等の説
明を省略する。In the case of the thin steel plate supporting member 5 of the fourth example, similarly to the case of the thin steel plate supporting member 5 of the third example,
Since the support member units 4 are connected to each other by a fixing means such as a drilling tapping screw 7, the description thereof is omitted. In the case where the height of the lip 6 in the third embodiment is increased, the lip 6 on the third flange 9 side and the web are smaller than the outer dimension e between the lip 6 on the second flange 3 side and the web 1. If the inside dimension f between 1 is increased,
When the support member unit 4 is arranged in the opposite direction, the second flange 3 side can be positioned also in the recess 11 on the third flange 9 side. Similarly, the bending rigidity and the bending strength can be adjusted. When the support member 5 of the third and fourth embodiments is configured, the support member 5 is configured in the same manner as that illustrated in FIG. 3, and thus the description of the bolt insertion hole 10, the mounting hardware 8, and the like is omitted.
【００２０】この発明において使用される第３および第
４例の薄鋼板製支持部材ユニット５の形状として、略Ｊ
又は略逆Ｊ形とは下記の通り定義する。ウエブ１の両端
側に、これと一体に折曲連設された第１フランジ２およ
び第２フランジ３を備えており、前記第１フランジ２の
先端から折返してこれと一体に折曲連設された第３フラ
ンジ９を備えており、その第３フランジ９の他端側が前
記第１フランジ２と逆方向（ウエブ１を境にして反対方
向）に延長するように設けられており、前記第１フラン
ジ２と前記第２フランジ３とがウエブ１の一側面側の同
じ側に配置されたほぼ逆Ｊ字状端面形状を略逆Ｊ形と、
また前記第１フランジ２と前記第２フランジ３のいづれ
か一方がウエブ１の一側面側に配置され、他方がウエブ
１の他側面側に配置された略Ｊ字状端面形状を略Ｊ形と
言い、前述のリップ６は、省略してもよい。 前記第１
〜第３フランジ２，３，９はウエブ１に対して直角に連
設されるのがよく、また第１〜第３フランジ２，３，９
は互いに平行に配設されるのが望ましい。The shape of the thin steel plate supporting member unit 5 of the third and fourth examples used in the present invention is substantially J.
Or, the substantially inverted J shape is defined as follows. A first flange 2 and a second flange 3 are provided on both ends of the web 1 so as to be bent and connected integrally with the web 1. The first flange 2 is folded back from the tip of the first flange 2 and is bent and connected integrally therewith. The third flange 9 is provided so that the other end of the third flange 9 extends in a direction opposite to the first flange 2 (an opposite direction with the web 1 as a boundary). A substantially inverted J-shaped end face shape in which the flange 2 and the second flange 3 are arranged on the same side of one side of the web 1 is substantially an inverted J shape;
Further, a substantially J-shaped end face shape in which one of the first flange 2 and the second flange 3 is disposed on one side of the web 1 and the other is disposed on the other side of the web 1 is referred to as a substantially J-shape. The aforementioned lip 6 may be omitted. The first
It is preferable that the third to third flanges 2, 3, and 9 are continuously provided at right angles to the web 1, and the first to third flanges 2, 3, and 9 are provided.
Are desirably arranged in parallel with each other.
【００２１】前記支持部材ユニット４ｃ，４ｄの断面形
状を次のようにすると良い、つまり図７，図１８に示す
ように第３フランジ９の先端からウエブまでの寸法ａ、
第３フランジ９の折曲げ側の基端からウエブ１の一側面
までの寸法ｂ、第２フランジ３と第３フランジ９間の寸
法ｃ、ウエブから第２フランジの先端までの寸法ｄと
し、ａ，ｂ，ｃ，ｄの比率を、 ａ≦ｃ／２，ｂ≦ｃ／２，ｄ≦ｂ また、第３フランジ９の中心線Ｌ1 から取付金物８の厚
さｔの半分だけずらした位置（ａ−ｂ＝ｔとなる位置）
にウエブ１の一側面が位置するようにウエブ１を配置す
るのが、施工上最も好ましい。このように構成すると、
ウエブ１を取付金物８に当接して接合した時、第３フラ
ンジ９の巾方向中央が取付金物８の中心線と一致し理想
的な施工状態となる。The cross-sectional shape of the support member units 4c and 4d may be as follows: the dimensions a from the tip of the third flange 9 to the web as shown in FIGS.
A dimension b from the base end of the third flange 9 on the bending side to one side surface of the web 1, a dimension c between the second flange 3 and the third flange 9, and a dimension d from the web to the tip of the second flange, a , B, c, d are shifted by half of the thickness t of the mounting hardware 8 from the center line L 1 of the third flange 9, a ≦ c / 2, b ≦ c / 2, d ≦ b. (Position where a−b = t)
It is most preferable from the viewpoint of construction that the web 1 is arranged so that one side surface of the web 1 is located at the right side. With this configuration,
When the web 1 is abutted and joined to the mounting hardware 8, the center of the third flange 9 in the width direction coincides with the center line of the mounting hardware 8, resulting in an ideal construction state.
【００２２】前記第１，第２，第３，第４実施形態のよ
うに、支持部材ユニット４の中間部または全長の曲げ耐
力、剛性が足りない部分では、本発明の支持部材５にし
て簡単に補強できる。As in the first, second, third, and fourth embodiments, the intermediate portion of the support member unit 4 or the portion where the bending strength and rigidity of the entire length are insufficient are simply provided by the support member 5 of the present invention. Can be reinforced.
【００２３】本発明は、図示の実施形態に限定されず、
請求項記載の技術的範囲は実施形態を当業者が設計変更
できる範囲を含むものである。The present invention is not limited to the illustrated embodiment,
The technical scope described in the claims includes a range in which a person skilled in the art can change the design of the embodiment.
【００２４】本発明の薄鋼板製等の支持部材は梁材また
は胴縁材あるいはその他の建築用部材としても使用する
ことができる。なお、本発明を実施する場合、通常の圧
延形鋼にも実施してもよい。The support member made of a thin steel plate or the like of the present invention can also be used as a beam member, a rim member or other building members. In addition, when implementing this invention, you may implement also to a normal rolling section steel.
【００２５】本発明の構造用薄鋼板製支持部材相互を接
合する場合、溶接、ネジ接合、ボルト接合等の接合手段
を採用してもよい。When joining the structural steel sheet supporting members of the present invention to each other, joining means such as welding, screw joining, and bolt joining may be employed.
【００２６】なお、本発明を実施する場合、ウエブの厚
さが比較的薄いので、これを０として各第１，第３フラ
ンジの張出長を設定してもよい。また、本発明の構造物
用支持部材ユニット相互のいずれか一方を短尺にしても
よい。When the present invention is carried out, since the thickness of the web is relatively thin, the extension length of each of the first and third flanges may be set to 0. Further, any one of the structural support member units of the present invention may be shortened.
【００２７】[0027]
【発明の効果】以上説明したように、本発明に係るスチ
ールハウス等における構造用薄鋼板製等の支持部材によ
ると、構造物用支持部材のスパンが長くなり、曲げ耐
力及び曲げ剛性が不足する部分においても、支持部材ユ
ニットの断面形状を変更することもなく、また支持部材
ユニットの板厚を厚くすることもなく、単に同じ断面の
支持部材ユニットをウエブ巾方向にずらして重ねて接合
するだけで、曲げ剛性及び曲げ耐力を著しく高めた支持
部材にすることができ、そのため効果的な設計が可能に
なる。また、ウエブ巾方向にずらして重ねて接合するの
で、曲げ剛性及び曲げ耐力の調節巾が比較的大きいの
で、必要とされる曲げ剛性及び曲げ耐力を適宜容易に設
定することができる。また、フランジにリップを設け
ることで支持部材の強度が一層向上する。また、構造用
薄鋼板製支持部材ユニットを使用した場合には、現場に
おいて、容易に実施することができる。As described above, according to the support member made of a thin steel sheet for a structure in a steel house or the like according to the present invention, the span of the support member for a structure becomes long, and the bending strength and the bending rigidity become insufficient. Also in the part, without changing the cross-sectional shape of the support member unit, without increasing the plate thickness of the support member unit, simply join the support member units of the same cross-section while shifting them in the web width direction Thus, it is possible to provide a supporting member having significantly increased bending rigidity and bending strength, and therefore, an effective design becomes possible. In addition, since the sheets are joined while being shifted in the web width direction, the adjustment width of the bending rigidity and the bending strength is relatively large, so that the required bending rigidity and the bending strength can be easily and appropriately set. Further, the provision of the lip on the flange further improves the strength of the support member. In addition, when a structural thin steel plate supporting member unit is used, it can be easily implemented on site.
【図１】本発明の第１実施形態に使用される構造用薄鋼
板製支持部材ユニットを示す斜視図である。FIG. 1 is a perspective view showing a structural thin steel plate support member unit used in a first embodiment of the present invention.
【図２】本発明の第１実施形態の構造用薄鋼板製支持部
材を示す斜視図である。FIG. 2 is a perspective view showing a structural thin steel plate support member according to the first embodiment of the present invention.
【図３】本発明の第２実施形態に使用される構造用薄鋼
板製支持部材ユニットを示す斜視図である。FIG. 3 is a perspective view showing a structural thin steel plate support member unit used in a second embodiment of the present invention.
【図４】従来例と本発明の第１実施形態とその曲げ剛性
および曲げ耐力を比較して示す説明図である。FIG. 4 is an explanatory diagram showing a comparison between a conventional example and the first embodiment of the present invention and their bending rigidity and bending strength.
【図５】本発明の第２実施形態に使用される構造用薄鋼
板製支持部材ユニットを示す斜視図である。FIG. 5 is a perspective view showing a structural thin steel plate support member unit used in a second embodiment of the present invention.
【図６】本発明の第２実施形態の構造用薄鋼板製支持部
材を示す斜視図である。FIG. 6 is a perspective view showing a structural thin steel plate support member according to a second embodiment of the present invention.
【図７】本発明の第３実施形態に使用される構造用薄鋼
板製支持部材ユニットを示す斜視図である。FIG. 7 is a perspective view showing a structural thin steel plate support member unit used in a third embodiment of the present invention.
【図８】本発明の第３実施形態の構造用薄鋼板製支持部
材を示す斜視図である。FIG. 8 is a perspective view showing a structural thin steel plate support member according to a third embodiment of the present invention.
【図９】第３実施形態に使用する支持部材ユニットの場
合の、曲げ剛性および曲げ耐力を比較して示す説明図で
ある。FIG. 9 is an explanatory diagram showing a comparison between bending rigidity and bending strength in the case of a support member unit used in the third embodiment.
【図１０】本発明の第４実施形態に使用される構造用薄
鋼板製支持部材ユニットを示す斜視図である。FIG. 10 is a perspective view showing a structural thin steel plate support member unit used in a fourth embodiment of the present invention.
【図１１】本発明の第４実施形態の構造用薄鋼板製支持
部材を示す斜視図である。FIG. 11 is a perspective view showing a structural thin steel plate support member according to a fourth embodiment of the present invention.
【図１２】従来例の支持部材ユニットを示す斜視図であ
る。FIG. 12 is a perspective view showing a conventional supporting member unit.
【図１３】従来例のつづり梁を示す斜視図である。FIG. 13 is a perspective view showing a conventional spelling beam.
１ ウエブ ２ 第１フランジ ３ 第２フランジ ４ 支持部材ユニット ５ 支持部材 ６ リップ ７ ドリリングタッピングネジ ８ 取付金物 ９ 第３フランジ １０ ボルト挿入孔 １１ 凹部 ２０ 第１フランジ REFERENCE SIGNS LIST 1 web 2 first flange 3 second flange 4 support member unit 5 support member 6 lip 7 drilling tapping screw 8 mounting hardware 9 third flange 10 bolt insertion hole 11 recess 20 first flange
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小山 高夫 東京都千代田区有楽町１丁目１番２号 旭 化成工業株式会社内 (72)発明者 武藤 一巳 東京都千代田区有楽町１丁目１番２号 旭 化成工業株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takao Koyama 1-1-2 Yurakucho, Chiyoda-ku, Tokyo Asahi Kasei Kogyo Co., Ltd. (72) Inventor Kazumi Muto 1-2-1, Yurakucho, Chiyoda-ku, Tokyo Asahi Chemical Industry Co., Ltd.
Claims (6)
第１フランジと第２フランジを設けて支持部材ユニット
を構成し、同一断面部材からなる一対の前記支持部材ユ
ニットにおけるウエブ相互を当接させると共に、ウエブ
巾方向に相対的にずらして配置し、かつウエブ相互を結
合して構成してなることを特徴とする建築構造用支持部
材。1. A support member unit comprising a first flange and a second flange integrally provided at both ends of a web to constitute a support member unit, and the webs in a pair of the support member units having the same cross-sectional members are brought into contact with each other. A support member for a building structure, which is configured to be in contact with each other, to be arranged relatively shifted in a web width direction, and to be connected to each other.
少なくともウエブとその両端に、第１フランジと第２フ
ランジを一体に連設して支持部材ユニットを構成し、同
一断面部材からなる一対の前記支持部材ユニットにおけ
るウエブ相互を当接させると共に、ウエブ巾方向に相対
的にずらして配置し、かつウエブ相互を結合して構成し
てなることを特徴とする建築構造用支持部材。2. A single strip-shaped thin steel plate is bent,
At least a first flange and a second flange are integrally connected to at least the web and both ends thereof to form a support member unit. The webs of the pair of support member units having the same cross-sectional members are brought into contact with each other, and the web width is adjusted. A support member for a building structure, wherein the support member is disposed so as to be relatively displaced in a direction and is configured by connecting webs to each other.
鋼又はＪ形鋼のいずれか一つからなる請求項１または請
求項２記載の建築構造用支持部材。3. The support member for a building structure according to claim 1, wherein the support member unit is made of any one of a C-section steel, a Z-section steel and a J-section steel.
ウエブの両端にこれと一体に連設された第１フランジと
第２フランジを設け、第１フランジの先端を折返して第
３フランジを設けることで略Ｊ又は略逆Ｊ形の端面形状
の薄鋼板製支持部材ユニットを構成し、同一断面部材か
らなる一対の前記支持部材ユニットを互いに逆向き配置
してウエブ相互を当接させると共に、ウエブ巾方向に相
対的にずらして配置し、かつウエブ相互を結合して構成
してなることを特徴とする建築構造用支持部材。4. A single strip-shaped thin steel plate is bent,
First and second flanges are integrally provided at both ends of the web, and the end of the first flange is folded back to provide a third flange, thereby forming a substantially J-shaped or substantially inverted J-shaped thin steel plate. A supporting member unit made of the same cross-sectional member, and a pair of the supporting member units are arranged in opposite directions so that the webs are in contact with each other, and the webs are relatively displaced in the web width direction; A support member for a building structure, wherein the support member is configured by being combined.
少なくともいずれか一つにリップを一体に形成したこと
を特徴とする請求項１ないし４のいずれかに記載の建築
構造用支持部材。5. The support member for a building structure according to claim 1, wherein a lip is formed integrally with at least one of the first to third flanges.
エブ相互の重ね合わせ長さＬを、ウエブの巾をＷとし
て、 Ｗ／１０≦Ｌ≦Ｗ９／１０ とした構成を特徴とする請求項１ないし請求項５記載の
建築構造用支持部材。6. The structure according to claim 1, wherein the overlapping length L of the webs in the pair of supporting member units is W / 10 ≦ L ≦ W9 / 10, where W is the width of the web. Item 6. The support member for a building structure according to Item 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12621697A JP3582558B2 (en) | 1997-05-01 | 1997-05-01 | Supporting member for building structures with excellent bending performance around the axis perpendicular to the web |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12621697A JP3582558B2 (en) | 1997-05-01 | 1997-05-01 | Supporting member for building structures with excellent bending performance around the axis perpendicular to the web |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10299171A true JPH10299171A (en) | 1998-11-10 |
| JP3582558B2 JP3582558B2 (en) | 2004-10-27 |
Family
ID=14929617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12621697A Expired - Lifetime JP3582558B2 (en) | 1997-05-01 | 1997-05-01 | Supporting member for building structures with excellent bending performance around the axis perpendicular to the web |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3582558B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002004495A (en) * | 2000-06-23 | 2002-01-09 | Nippon Steel Corp | Composite beam member and manufacturing method for it |
| JP2009167796A (en) * | 2009-05-07 | 2009-07-30 | Gantan Beauty Ind Co Ltd | Interior finishing structure and interior-exterior finishing structure of building |
| KR101063240B1 (en) | 2009-12-22 | 2011-09-07 | (주) 일광메탈포밍 | Lightweight steel |
-
1997
- 1997-05-01 JP JP12621697A patent/JP3582558B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002004495A (en) * | 2000-06-23 | 2002-01-09 | Nippon Steel Corp | Composite beam member and manufacturing method for it |
| JP2009167796A (en) * | 2009-05-07 | 2009-07-30 | Gantan Beauty Ind Co Ltd | Interior finishing structure and interior-exterior finishing structure of building |
| KR101063240B1 (en) | 2009-12-22 | 2011-09-07 | (주) 일광메탈포밍 | Lightweight steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3582558B2 (en) | 2004-10-27 |
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