JP2652201B2 - Tension compression member - Google Patents
Tension compression memberInfo
- Publication number
- JP2652201B2 JP2652201B2 JP16667188A JP16667188A JP2652201B2 JP 2652201 B2 JP2652201 B2 JP 2652201B2 JP 16667188 A JP16667188 A JP 16667188A JP 16667188 A JP16667188 A JP 16667188A JP 2652201 B2 JP2652201 B2 JP 2652201B2
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- compression member
- tension
- steel
- unbonded
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、建設構造物の地震応力等の引張り力及び圧
縮力の両方に対して作用させうる引張り圧縮部材に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a tension / compression member that can act on both a tensile force and a compressive force such as seismic stress of a construction structure.
〔従来の技術〕 従来、建設構造物の補強材として使用されるPCブレー
ス等の部材は、引張り力に対してのみ作用する構造にな
っており、例えば、建設構造物の骨組の耐震ブレースに
用いた場合では、PCブレースを交差させて用いている
が、その交差させた片方側には引張り力が作用し、その
他方側には圧縮力が作用するため、圧縮力の作用する側
のPCブレースに対しては効果がなく、不経済であった。[Prior art] Conventionally, members such as PC braces used as reinforcing materials for construction structures have a structure that acts only on tensile force. In this case, the PC braces are used crossing each other, but a tensile force acts on one of the crossed sides and a compressive force acts on the other side. Was ineffective and uneconomical.
また、引張り力及び圧縮力に対して作用させる従来の
鉄骨ブレースにおいては、過大応力に対して歪が残留し
てしまうという問題があった。Further, in the conventional steel brace that acts on the tensile force and the compressive force, there is a problem that a strain remains due to excessive stress.
本発明は、前記従来の問題点を解消するためになされ
たものであり、引張り及び圧縮の両方に対して有効に作
用させうる引張り圧縮部材を提供することを目的とした
ものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide a tension-compression member capable of effectively acting on both tension and compression.
上記の目的を達成するための本発明の引張り圧縮部材
は、外周面をグリース塗布等によりアンボンド処理した
PC鋼棒の外周に、内側鋼管及び内周面をグリース塗布等
によりアンボンド処理した外側鋼管からなる二重管を配
設し、それぞれの鋼管内にコンクリートを充填し、その
内側鋼管の両端にPC鋼棒にナット等で固定した定着板を
配設すると共に、外側鋼管の両端に設けたフランジ部と
上記定着板との間に所定の間隙を設け、かつそのフラン
ジ部に対し接当する支圧板をPC鋼棒にナット等で固定し
て設けることにより構成される。The tensile compression member of the present invention for achieving the above object, the outer peripheral surface was unbonded by applying grease or the like.
A double pipe consisting of an inner steel pipe and an outer steel pipe whose inner peripheral surface has been unbonded by applying grease, etc., is placed on the outer circumference of a PC steel rod, concrete is filled in each steel pipe, and PCs are placed on both ends of the inner steel pipe. A fixing plate fixed to a steel rod with a nut or the like is provided, a predetermined gap is provided between a flange provided at both ends of the outer steel pipe and the fixing plate, and a supporting plate abutting on the flange is provided. Is fixed to a PC steel rod with a nut or the like.
上記の構成からなる引張り圧縮部材は、引張り力に対
しては、まずPC鋼棒が対応し、所定の伸びに達した後
に、外側鋼管がその耐力に加算されることになり、一
方、圧縮力に対しては内側鋼管、外側鋼管及びこれらの
鋼管内に充填されたコンクリートで対応することを特徴
としている。In the tensile compression member having the above structure, the PC steel rod responds to the tensile force first, and after reaching a predetermined elongation, the outer steel pipe is added to the proof stress, while the compressive force is Is characterized by an inner steel pipe, an outer steel pipe and concrete filled in these steel pipes.
以下図面を参照して本発明の実施例を説明するが、第
１図は本発明の一実施例における引張り圧縮部材の要部
縦断面図、第２図は第１図の引張り圧縮部材の適用例を
示す側面図、第３図は第２図の要部拡大側面図である。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view of a main part of a tension and compression member according to an embodiment of the present invention, and FIG. 2 is an application of the tension and compression member of FIG. FIG. 3 is a side view showing an example, and FIG. 3 is an enlarged side view of a main part of FIG.
まず、この部材は第２図及び第３図に示すごとく建設
構造物の骨組１の耐震ブレース用に対し交差して使用さ
れる引張り圧縮部材20であるが、第１図のごとく外周面
をグリースやパラフィン塗布等により矢印Ａで示すアン
ボンド処理をしたPC鋼棒２の外周に、内側鋼管３及びそ
れより径の大きな外側鋼管４からなる二重管を配設し、
この外側鋼管４の内周面にも上記と同様の矢印Ａで示す
アンボンド処理をする。First, as shown in FIGS. 2 and 3, this member is a tension / compression member 20 which is used crosswise for the seismic brace of the frame 1 of the construction structure, and as shown in FIG. A double pipe consisting of an inner steel pipe 3 and an outer steel pipe 4 having a larger diameter than the inner steel pipe 2 is provided on the outer circumference of the PC steel rod 2 which has been unbonded as shown by an arrow A by coating with paraffin or the like,
The inner peripheral surface of the outer steel pipe 4 is also subjected to the unbonding treatment indicated by the arrow A as described above.
次に、これら内側鋼管３及び外側鋼管４内にそれぞれ
コンクリート11を充填している。Next, concrete 11 is filled in the inner steel pipe 3 and the outer steel pipe 4, respectively.
さらに、内側鋼管３の両端にPC鋼棒２に定着ナット６
で固定した定着板８を配設すると共に、外側鋼管４の両
端に設けたフランジ部７と上記定着板８との間に所定の
間隙Δl1を設け、そのフランジ部７に対し接当する支圧
板９をPC鋼棒２にナット10で固定している。Further, fixing nuts 6 are attached to the PC steel rods 2 at both ends of the inner steel pipe 3.
In addition to the fixing plate 8 fixed by the above, a predetermined gap Δl 1 is provided between the flange portion 7 provided at both ends of the outer steel pipe 4 and the fixing plate 8, and a support contacting the flange portion 7 is provided. The pressure plate 9 is fixed to the PC steel bar 2 with a nut 10.
以上のごとき構成からなる本発明の引張り圧縮部材20
を、第２図のごとき建設構造物の骨組１にブレース材と
して適用した場合、矢印Ｔの引張り力に対しては、まず
アンボンド処理されたPC鋼棒２が対応し、PC鋼棒２が所
定の伸びに到達した後、外側鋼管４のフランジ部７と定
着板８との間隙Δl1が零となって相互に接当して、アン
ボンド処理された外側鋼管４が引張り耐力に加算される
ため、この引張り圧縮部材20の剛性及び変形を上記の間
隙Δl1を適宜に設定することにより調整できる。The tension / compression member 20 of the present invention having the above configuration
Is applied as a brace material to the frame 1 of a construction structure as shown in FIG. 2, the unbonded PC steel rod 2 first responds to the tensile force indicated by the arrow T, and the PC steel rod 2 Is reached, the gap Δl 1 between the flange portion 7 of the outer steel pipe 4 and the fixing plate 8 becomes zero and they come into contact with each other, so that the unbonded outer steel pipe 4 is added to the tensile strength. The rigidity and deformation of the tension and compression member 20 can be adjusted by appropriately setting the gap Δl 1 .
また、この引張り圧縮部材20に矢印Ｐの圧縮力が作用
した場合には、内側鋼管３及び外側鋼管４ならびにこれ
らの鋼管内に充填されているコンクリート11の複合構造
により対応することができる。Further, when a compressive force indicated by an arrow P acts on the tension / compression member 20, it is possible to cope with the composite structure of the inner steel pipe 3 and the outer steel pipe 4, and the concrete 11 filled in these steel pipes.
以上に説明したごとく、従来のPCブレースは引張り力
に対してのみ作用するのに対し、本発明の引張り圧縮部
材は、引張り及び圧縮に対しても有効に作用すると共
に、圧縮力に対して部材寸法を小さくできるという効果
がある。As described above, while the conventional PC brace acts only on the tensile force, the tension-compression member of the present invention effectively acts on the tension and the compression, and also has the member against the compression force. There is an effect that the size can be reduced.
特に、引張り力に対してはPC鋼棒と外側鋼管とが二重
に作用するという特徴を有している。In particular, it has a feature that the PC steel rod and the outer steel pipe work double against tensile force.
また、本発明の引張り圧縮部材には、PC鋼棒によりプ
レストレス力が作用するため、復元性も良いという利点
もある。In addition, since the prestressing force is applied to the tension and compression member of the present invention by the PC steel rod, there is also an advantage that the resilience is good.
なお、本発明の部材は主として建設構造物の骨組に組
込まれる耐震ブレース材として有効に適用できるが、エ
ネルギー吸収材としても各種の分野に対して適用可能で
ある。The member of the present invention can be effectively applied mainly as a seismic brace material incorporated in a framework of a construction structure, but can also be applied to various fields as an energy absorbing material.
第１図は本発明の一実施例における引張り圧縮部材の要
部縦断面図、第２図は第１図の引張り圧縮部材の適用例
を示す側面図、第３図は第２図の要部拡大側面図であ
る。 ２……PC鋼棒、３……内側鋼管、４……外側鋼管、７…
…フランジ部、８……定着板、９……支圧板、11……コ
ンクリート、20……引張り圧縮部材、Ａ……アンボンド
処理、Δl1……間隙。1 is a longitudinal sectional view of an essential part of a tension and compression member according to an embodiment of the present invention, FIG. 2 is a side view showing an application example of the tension and compression member of FIG. 1, and FIG. 3 is an essential part of FIG. It is an enlarged side view. 2 ... PC steel rod, 3 ... Inner steel pipe, 4 ... Outer steel pipe, 7 ...
... Flange part, 8 ... Fixing plate, 9 ... Support plate, 11 ... Concrete, 20 ... Tension and compression member, A ... Unbond treatment, Δl 1 ... Gap.
Claims (1)
に、内側鋼管及び内周面をアンボンド処理した外側鋼管
からなる二重管を配設し、それぞれの鋼管内にコンクリ
ートを充填し、その内側鋼管の両端にPC鋼棒に固定した
定着板を配設すると共に、外側鋼管の両端に設けたフラ
ンジ部と上記定着板との間に所定の間隙を設け、かつそ
のフランジ部に対し接当する支圧板をPC鋼棒に固定して
設けた引張り圧縮部材。1. A double pipe comprising an inner steel pipe and an outer steel pipe whose inner peripheral surface is unbonded is provided on the outer periphery of a PC steel rod whose outer peripheral surface is unbonded, and concrete is filled in each steel pipe. Fixing plates fixed to PC steel rods are provided at both ends of the inner steel pipe, a predetermined gap is provided between the flanges provided at both ends of the outer steel pipe and the fixing plate, and the flanges are brought into contact with each other. A tension / compression member provided with the supporting plate fixed to a PC steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16667188A JP2652201B2 (en) | 1988-07-06 | 1988-07-06 | Tension compression member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16667188A JP2652201B2 (en) | 1988-07-06 | 1988-07-06 | Tension compression member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0220743A JPH0220743A (en) | 1990-01-24 |
| JP2652201B2 true JP2652201B2 (en) | 1997-09-10 |
Family
ID=15835568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16667188A Expired - Lifetime JP2652201B2 (en) | 1988-07-06 | 1988-07-06 | Tension compression member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2652201B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2824009B2 (en) * | 1993-08-31 | 1998-11-11 | ドーピー建設工業株式会社 | Concrete structural members |
| US6826874B2 (en) | 1999-06-30 | 2004-12-07 | Nippon Steel Corporation | Buckling restrained braces and damping steel structures |
| KR101006970B1 (en) * | 2010-09-29 | 2011-01-12 | (주)대우건설 | Outrigger system using prestressing components |
| KR101006969B1 (en) * | 2010-09-29 | 2011-01-12 | (주)대우건설 | Embedded prestressing-steel components in rc core wall of outrigger system |
| KR101006968B1 (en) * | 2010-09-29 | 2011-01-12 | (주)대우건설 | Outrigger system constructing core wall embedding part by using prestressing factors |
-
1988
- 1988-07-06 JP JP16667188A patent/JP2652201B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0220743A (en) | 1990-01-24 |
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