JPH06330653A - Elastoplastic energy absorbing frame body - Google Patents
Elastoplastic energy absorbing frame bodyInfo
- Publication number
- JPH06330653A JPH06330653A JP12154093A JP12154093A JPH06330653A JP H06330653 A JPH06330653 A JP H06330653A JP 12154093 A JP12154093 A JP 12154093A JP 12154093 A JP12154093 A JP 12154093A JP H06330653 A JPH06330653 A JP H06330653A
- Authority
- JP
- Japan
- Prior art keywords
- frame member
- lower beams
- main frame
- frame
- energy absorber
- 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
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、上下梁と、この上下
梁間に設置される左右柱とからなる鉄骨架構体に作用す
る地震エネルギーを減衰するようした架構体の弾塑性エ
ネルギー吸収体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elasto-plastic energy absorber of a frame structure for damping seismic energy acting on a steel frame structure composed of upper and lower beams and left and right columns installed between the upper and lower beams.
【０００２】[0002]
【従来の技術及び解決しようとする課題】従来、建物の
架構体の設計方法として、比較的大きな外力によって降
伏する場所を具体的に設定し、その降伏耐力をコントロ
ールすることによってエネルギー吸収量を明確化するこ
とにより、架構体全体の崩壊をくいとめるようにした弾
塑性設計が一般に知られているが、そのような降伏する
場所を具体的に設定し、その降伏耐力をコントロールす
るのは必ずしも容易でなく、また、地震等で破損した場
合に、復旧が容易でない等の課題があった。2. Description of the Related Art Conventionally, as a method for designing a building frame structure, a place to yield due to a relatively large external force is specifically set, and the yield strength is controlled to clarify the energy absorption amount. It is generally known that elasto-plastic design is designed to prevent the collapse of the entire frame structure by making it possible.However, it is not always easy to set such a yielding point concretely and control its yield strength. In addition, there was a problem that it was not easy to recover when it was damaged by an earthquake or the like.
【０００３】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、降伏する場所を容易に設定し、その降
伏耐力のコントロールも容易に行うことができ、さら
に、地震等で破損した場合に、容易に復旧できることを
可能にした弾塑性エネルギー吸収体を提供することを目
的とする。The present invention has been made in order to solve the above problems. It is possible to easily set a yielding place, easily control the yield strength, and further, in the case of damage due to an earthquake or the like. Another object of the present invention is to provide an elasto-plastic energy absorber that can be easily restored.
【０００４】[0004]
【課題を解決するための手段】この発明に係る請求項第
１項記載の架構体の弾塑性エネルギー吸収体は、架構体
の上下梁又は前記左右柱にそれぞれ添え付けて設置され
る主枠材と、この主枠材間に設置される連結枠材と、こ
の連結枠材と前記主枠材間にそれぞれ斜めに設置される
複数本の斜め枠材とを備え、かつ、前記連結枠材の中央
部を前記架構体に作用する、所定値を越える外力によっ
て降伏し、塑性変形するように形成することにより構成
されている。The elasto-plastic energy absorber of a frame structure according to claim 1 of the present invention is a main frame member attached to the upper and lower beams of the frame structure or the left and right columns, respectively. And a connecting frame member installed between the main frame members, and a plurality of diagonal frame members obliquely installed between the connecting frame member and the main frame member, and The central portion is formed so as to yield and be plastically deformed by an external force acting on the frame structure and exceeding a predetermined value.
【０００５】この発明に係る請求項第２項記載の架構体
の弾塑性エネルギー吸収体は、架構体の上下梁間又は左
右柱に設置される複数の補剛パネル若しくは補剛線材
と、この補剛パネル若しくは補剛線材間に設置される塑
性体とを備え、かつ、この塑性体を前記架構体に作用す
る、所定値を越える外力によって降伏し、塑性変形する
ように形成することにより構成されている。According to a second aspect of the present invention, there is provided an elastic-plastic energy absorber for a frame structure, wherein a plurality of stiffening panels or stiffening wire members are installed between upper and lower beams or left and right columns of the frame structure, and the stiffening panels. A plastic body installed between panels or stiffening wires, and is formed by yielding and plastically deforming the plastic body by an external force that acts on the frame structure and exceeds a predetermined value. There is.
【０００６】[0006]
実施例１．図１は、この発明に係る架構体の弾塑性エネ
ルギー吸収体の一実施例を示し、図において、符号１は
鉄骨軸組の上下梁、２はこの上下梁1,1 間に立て付けら
れた左右柱、３は上下梁1,1 間に左右柱2,2 に添え付け
て立て付けられた主枠材、４はこの主枠材3,3 間の中央
部に水平に設置された連結枠材、そして、符号５はこの
連結枠材４のほぼ中央部と前記主枠材3,3 の上下両端部
間にそれぞれ斜めに設置された斜め枠材である。Example 1. FIG. 1 shows an embodiment of an elasto-plastic energy absorber of a frame structure according to the present invention. In the figure, reference numeral 1 is a steel frame upper and lower beam, and 2 is a vertical beam between the upper and lower beams 1, 1. Left and right columns, 3 is a main frame member that is erected between the left and right columns 2,2 between the upper and lower beams 1,1, and 4 is a connecting frame that is horizontally installed in the central portion between the main frame members 3,3. Reference numeral 5 is an oblique frame member which is installed obliquely between the substantially central portion of the connecting frame member 4 and the upper and lower end portions of the main frame members 3 and 3, respectively.
【０００７】主枠材３、連結枠材４及び斜め枠材５は、
いづれもＨ形鋼等の形鋼、あるいは円形鋼管や角形鋼管
等より形成され、互いに溶接若しくは接合ボルトによっ
て一体的に組み立てられている。The main frame member 3, connecting frame member 4 and diagonal frame member 5 are
Each of them is formed from a shaped steel such as an H-shaped steel, or a circular steel pipe or a square steel pipe, and they are integrally assembled by welding or joining bolts.
【０００８】また、連結枠材４の中央部4aは鉄骨軸組に
作用する、所定値を越える外力を受けると、最初に降伏
し、塑性変形するように設計された塑性体（以下「塑性
体4a」という) になっていて、この塑性体4aの材質、長
さ、形状、あるいは径等を適当に変える等してエネルギ
ー吸収量が明確になるように降伏耐力が設計されてい
る。The central portion 4a of the connecting frame member 4 is designed to be firstly yielded and plastically deformed when subjected to an external force acting on the steel frame assembly and exceeding a predetermined value (hereinafter referred to as "plastic body"). 4a ”), and the yield strength is designed so that the energy absorption amount becomes clear by appropriately changing the material, length, shape, diameter, etc. of the plastic body 4a.
【０００９】このような構成において、鉄骨軸組が大き
な地震力をうけると、この塑性体4aが最初に降伏し、塑
性変形することにより鉄骨軸組の崩壊が阻止される。ま
た、この弾塑性エネルギー吸収体を新しいものに交換す
ることにより、鉄骨軸組を当初の状態に容易に復帰させ
ることができる。In such a structure, when the steel framework receives a large seismic force, the plastic body 4a first yields and is plastically deformed to prevent the collapse of the steel framework. Also, by replacing the elasto-plastic energy absorber with a new one, the steel frame can be easily returned to the initial state.
【００１０】なお、この発明に係る弾塑性エネルギー吸
収体は鉄骨軸組の上下梁1,1 間に設置されることもある
（図省略）。The elasto-plastic energy absorber according to the present invention may be installed between the upper and lower beams 1, 1 of the steel frame assembly (not shown).
【００１１】実施例２．図２は、この発明に係る弾塑性
エネルギー吸収体の他の実施例を示し、図において、実
施例１と同一部分には同一符号を付す。連結枠材４は主
枠材3,3 間にその上下方向に水平に所定間隔おきに設置
され、この各連結枠材４のほぼ中央部と主枠材3,3 間に
斜め枠材5,5 がそれぞれ設置され、各連結枠材４の中央
部が実施例１に示すような塑性体4aになっている。その
他の構成は実施例１と全く同じである。Embodiment 2. FIG. 2 shows another embodiment of the elasto-plastic energy absorber according to the present invention. In the figure, the same parts as those of the first embodiment are designated by the same reference numerals. The connecting frame members 4 are installed horizontally between the main frame members 3, 3 at predetermined intervals in the vertical direction, and the diagonal frame members 5, 3 are provided between the main frame members 3, 3 at substantially the center of each connecting frame member 4. 5 are installed, and the central portion of each connecting frame member 4 is a plastic body 4a as shown in the first embodiment. The other structure is exactly the same as that of the first embodiment.
【００１２】この実施例は、主に上下梁1,1 間の距離
（横架材間距離）が大きい場合に適用されるもので、主
枠材３、連結枠材４及び斜め枠材５の径を小さくできる
等の効果がある。This embodiment is mainly applied when the distance between the upper and lower beams 1 and 1 (the distance between the horizontal members) is large, and the main frame member 3, the connecting frame member 4 and the diagonal frame member 5 are There is an effect that the diameter can be reduced.
【００１３】なお、この場合、実施例１に示す弾塑性エ
ネルギー吸収体を上下梁1,1 間に複数段に設置しても同
様の効果を得る（図3,4,5 参照) 。In this case, the same effect can be obtained even if the elasto-plastic energy absorber shown in Embodiment 1 is installed in a plurality of steps between the upper and lower beams 1 and 1 (see FIGS. 3, 4 and 5).
【００１４】実施例３．図６(a),(b)(c),(d),(e),(f)
は、この発明に係る請求項第２項記載の弾塑性エネルギ
ー吸収体の一実施例を示し、図において、符号6,6 は鉄
骨軸組の上下梁1,1 または左右柱2,2 に添え付けて立て
付けられた主枠材、７はこの主枠材6,6 間に設置された
三角形若しくは菱形をなす補剛パネル、そして、符号８
は補剛パネル7,7 間に取り付けられた塑性体である。Example 3. 6 (a), (b) (c), (d), (e), (f)
Shows an embodiment of the elasto-plastic energy absorber according to claim 2 of the present invention. In the figure, reference numerals 6 and 6 are attached to the upper and lower beams 1 and 1 or the left and right columns 2 and 2 of the steel frame. The main frame material is attached and erected, 7 is a triangular or diamond-shaped stiffening panel installed between the main frame materials 6 and 6, and reference numeral 8
Is a plastic body attached between the stiffening panels 7 and 7.
【００１５】補剛パネル７は上下梁1,1 若しくは左右柱
2,2 に溶接若しくはボルト止めすることにより一体的に
連結されている。The stiffening panel 7 is composed of upper and lower beams 1, 1 or left and right columns.
They are connected integrally by welding or bolting to 2,2.
【００１６】また、塑性体８は上下補剛パネル7,7 （図
(a),(b),(c) 参照）又は左右補剛パネル7,7 （図(d),
(e),(f) 参照）に溶接若しくはボルト止めすることよっ
て一体的に連結されている。また、塑性体８は実施例１
の塑性体4aと同様に所定値を越える外力を受けると、最
初に降伏し、塑性変形するように設計され、この塑性体
８の材質、長さ、形状、あるいは径等を適当に変える等
することにより、鉄骨軸組の剛性、降伏耐力を自由に設
計できるようになっている。Further, the plastic body 8 is composed of upper and lower stiffening panels 7, 7 (Fig.
(See (a), (b), (c)) or left and right stiffening panels 7, 7 (Fig. (d),
(see (e), (f)) are integrally connected by welding or bolting. Further, the plastic body 8 is the first embodiment.
Like the plastic body 4a, when it receives an external force exceeding a predetermined value, it is designed to yield and plastically deform first, and the material, length, shape, diameter, etc. of the plastic body 8 are appropriately changed. As a result, the rigidity and yield strength of the steel frame can be freely designed.
【００１７】なお、補剛パネル７に変えて、補剛パネル
７と同様の材料特性を有する補剛線材（図省略）を使用
してもよい。Instead of the stiffening panel 7, a stiffening wire (not shown) having the same material properties as the stiffening panel 7 may be used.
【００１８】また、この発明に係る弾塑性エネルギー吸
収体は、必ずしも左右柱2,2 間に設置する必要はなく、
上下梁1,1 間に設置しても同様の効果を得る。Further, the elasto-plastic energy absorber according to the present invention does not necessarily have to be installed between the left and right columns 2 and 2.
The same effect can be obtained even if it is installed between the upper and lower beams 1 and 1.
【００１９】[0019]
【発明の効果】以上説明したようにこの発明に係る請求
項第１項及び第２項記載の架構体の弾塑性エネルギー吸
収体は、架構体に作用する、所定値を越える外力によっ
て塑性体が最初に降伏し、塑性変形するように構成され
ているので、この弾塑性エネルギー吸収体を架構体に設
置することにより、架構体の降伏する場所を容易に設定
することができ、また、そのコントロールも容易に行う
ことができ、さらに、地震時に弾塑性エネルギー吸収体
が破損したときには、新規なものに交換することによ
り、当初の状態に容易に復帰させることができる効果が
ある。As described above, the elasto-plastic energy absorber of the frame structure according to the first and second aspects of the present invention is characterized in that the plastic body is applied by an external force acting on the frame structure and exceeding a predetermined value. Since it is configured to yield and plastically deform first, by installing this elasto-plastic energy absorber on the frame, the place where the frame yields can be easily set and its control can be controlled. When the elasto-plastic energy absorber is damaged during an earthquake, it can be easily restored to its original state by replacing it with a new one.
【００２０】さらに、弾塑性エネルギー吸収体は左右柱
に添え付けて立て付けられる主枠材と、この主枠材間に
設置される連結枠材と、この連結枠材と前記主枠材間に
斜めに設置される複数本の斜め枠材とを備え、かつ、前
記連結枠材の中央部を前記架構体に作用する、所定値を
越える外力によって降伏し、塑性変形するように構成さ
れているので、容易に製作できる効果もある。Further, the elasto-plastic energy absorber is attached to the right and left columns and is erected on the main frame member, the connecting frame member installed between the main frame members, and the connecting frame member and the main frame member. A plurality of diagonal frame members that are installed diagonally, and is configured to yield and plastically deform due to an external force that acts on the frame at the central portion of the connecting frame member and that exceeds a predetermined value. Therefore, there is also an effect that it can be easily manufactured.
【図１】この発明に係る請求項第１項記載の弾塑性エネ
ルギー吸収体の一実施例の正面図である。FIG. 1 is a front view of an embodiment of an elastoplastic energy absorber according to claim 1 of the present invention.
【図２】この発明に係る請求項第１項記載の弾塑性エネ
ルギー吸収体の他の実施例の正面図である。FIG. 2 is a front view of another embodiment of the elasto-plastic energy absorber according to claim 1 of the present invention.
【図３】この発明に係る請求項第１項記載の弾塑性エネ
ルギー吸収体の他の実施例の正面図である。FIG. 3 is a front view of another embodiment of the elasto-plastic energy absorber according to claim 1 of the present invention.
【図４】この発明に係る請求項第１項記載の弾塑性エネ
ルギー吸収体の取付状態を示す分解斜視図である。FIG. 4 is an exploded perspective view showing an attached state of the elasto-plastic energy absorber according to claim 1 of the present invention.
【図５】この発明に係る請求項第１項記載の弾塑性エネ
ルギー吸収体の取付状態を示す分解斜視図である。FIG. 5 is an exploded perspective view showing an attached state of the elasto-plastic energy absorber according to claim 1 of the present invention.
【図６】(a),(b)(c),(d),(e),(f)は、この発明に係る請
求項第２項記載の弾塑性エネルギー吸収体の一実施例を
示す正面図である。6 (a), (b) (c), (d), (e), (f) show an embodiment of the elastic-plastic energy absorber according to claim 2 of the present invention. It is a front view.
１…上下梁、２…左右柱、３…主枠材、４…連結枠材、
５…斜め枠材、６…主枠材、７…補剛パネル、８…塑性
体。1 ... Vertical beams, 2 ... Left and right columns, 3 ... Main frame material, 4 ... Connection frame material,
5 ... Diagonal frame material, 6 ... Main frame material, 7 ... Stiffening panel, 8 ... Plastic body.
Claims (2)
右柱とからなる架構体の前記上下梁又は前記左右柱に添
え付けて立て付けられる主枠材と、この主枠材間に設置
される連結枠材と、この連結枠材と前記主枠材間にそれ
ぞれ斜めに設置される複数本の斜め枠材とを備え、か
つ、前記連結枠材の中央部を前記架構体に作用する、所
定値を越える外力によって降伏し、塑性変形するように
形成してなることを特徴とする架構体の弾塑性エネルギ
ー吸収体。1. A main frame member attached to the upper and lower beams or the left and right columns of a frame structure including upper and lower beams and left and right columns installed between the upper and lower beams, and a main frame member installed between the main frame members. And a plurality of diagonal frame members diagonally installed between the connecting frame member and the main frame member, and the central portion of the connecting frame member acts on the frame structure. An elastic-plastic energy absorber for a frame structure, which is formed so as to yield and plastically deform by an external force exceeding a predetermined value.
右柱とからなる架構体の上下梁間又は前記左右柱に設置
される複数の補剛パネル若しくは補剛線材と、この補剛
パネル若しくは補剛線材間に設置される塑性体とを備
え、かつ、この塑性体を前記架構体に作用する、所定値
を越える外力によって降伏し、塑性変形するように形成
してなることを特徴とする架構体の弾塑性エネルギー吸
収体。2. A plurality of stiffening panels or stiffening wires installed between the upper and lower beams or on the left and right columns of a frame structure composed of upper and lower beams and left and right columns installed between the upper and lower beams, and the stiffening panels or A plastic body installed between the stiffening wires, and the plastic body is formed so as to yield and be plastically deformed by an external force acting on the frame structure and exceeding a predetermined value. An elasto-plastic energy absorber for a frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12154093A JP3256025B2 (en) | 1993-05-24 | 1993-05-24 | Elasto-plastic energy absorber of frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12154093A JP3256025B2 (en) | 1993-05-24 | 1993-05-24 | Elasto-plastic energy absorber of frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06330653A true JPH06330653A (en) | 1994-11-29 |
| JP3256025B2 JP3256025B2 (en) | 2002-02-12 |
Family
ID=14813780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12154093A Expired - Lifetime JP3256025B2 (en) | 1993-05-24 | 1993-05-24 | Elasto-plastic energy absorber of frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3256025B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283373A (en) * | 2005-03-31 | 2006-10-19 | Tokai Rubber Ind Ltd | Seismic-response controlled structure of lightweight steel-framed house |
| JP2010150846A (en) * | 2008-12-26 | 2010-07-08 | Asahi Kasei Homes Co | Bearing panel, standardized building, and structural calculation method |
| JP2010174534A (en) * | 2009-01-30 | 2010-08-12 | Asahi Kasei Homes Co | Vibration control structure |
| JP2019157518A (en) * | 2018-03-14 | 2019-09-19 | 大和ハウス工業株式会社 | Bearing wall frame structure in ladder shape |
| JP2022076139A (en) * | 2020-11-09 | 2022-05-19 | 建二 金井 | Damping structure |
-
1993
- 1993-05-24 JP JP12154093A patent/JP3256025B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283373A (en) * | 2005-03-31 | 2006-10-19 | Tokai Rubber Ind Ltd | Seismic-response controlled structure of lightweight steel-framed house |
| JP2010150846A (en) * | 2008-12-26 | 2010-07-08 | Asahi Kasei Homes Co | Bearing panel, standardized building, and structural calculation method |
| JP2010174534A (en) * | 2009-01-30 | 2010-08-12 | Asahi Kasei Homes Co | Vibration control structure |
| JP2019157518A (en) * | 2018-03-14 | 2019-09-19 | 大和ハウス工業株式会社 | Bearing wall frame structure in ladder shape |
| JP2022076139A (en) * | 2020-11-09 | 2022-05-19 | 建二 金井 | Damping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3256025B2 (en) | 2002-02-12 |
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