JP2726003B2 - Damping device for steel beams - Google Patents

Damping device for steel beams

Info

Publication number
JP2726003B2
JP2726003B2 JP6128619A JP12861994A JP2726003B2 JP 2726003 B2 JP2726003 B2 JP 2726003B2 JP 6128619 A JP6128619 A JP 6128619A JP 12861994 A JP12861994 A JP 12861994A JP 2726003 B2 JP2726003 B2 JP 2726003B2
Authority
JP
Japan
Prior art keywords
vibration damping
steel
yield point
low yield
damping device
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
Application number
JP6128619A
Other languages
Japanese (ja)
Other versions
JPH07331795A (en
Inventor
信之 和泉
喜代隆 松本
利夫 鳥谷
孝信 舘野
弘道 海老沢
成次 高梨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TODA KENSETSU KK
Original Assignee
TODA KENSETSU KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TODA KENSETSU KK filed Critical TODA KENSETSU KK
Priority to JP6128619A priority Critical patent/JP2726003B2/en
Publication of JPH07331795A publication Critical patent/JPH07331795A/en
Application granted granted Critical
Publication of JP2726003B2 publication Critical patent/JP2726003B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、建物の鉄骨梁の端部に
設ける制振装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping device provided at an end of a steel beam of a building.

【0002】[0002]

【従来の技術】従来、建物の制振装置として、図10乃
至図11に示すように、鉄骨梁2の端部に、低降伏点鋼
材10を溶着したものが知られている。
2. Description of the Related Art Conventionally, as a vibration damping device for a building, a device in which a low yield point steel material 10 is welded to an end of a steel beam 2 as shown in FIGS.

【0003】この制振装置は、主架構である鉄骨梁2の
端部に設けるもので特別なスペースを必要とせず、ま
た、メンテナンスも非常に簡単である。
[0003] This vibration damping device is provided at the end of the steel beam 2 which is the main frame, does not require any special space, and is very easy to maintain.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、上述の
制振装置においては、例えば、プレート状の低降伏点鋼
材10の全縁部を鉄骨梁2の端部において溶接手段で固
着しているので、その溶接作業において長時間に亘り鉄
骨梁に高熱を与えることになり、最も変形力を負担する
前記鉄骨梁2の端部に品質の劣化をもたらし好ましくな
い。また、低降伏点鋼材10のプレート形状も梁材の要
求性能により個々に形成するので、部材の標準化が図れ
ずにコストが嵩むことになる。
However, in the above-described vibration damping device, for example, the entire edge of the plate-like low yield point steel material 10 is fixed to the end of the steel beam 2 by welding means. In the welding operation, high heat is applied to the steel beam for a long time, which undesirably deteriorates the quality of the end of the steel beam 2 which bears the most deformation force. Further, since the plate shape of the low yield point steel material 10 is individually formed according to the required performance of the beam material, standardization of the members cannot be achieved and the cost increases.

【0005】更に、鉄骨梁2の端部には、図11に示す
ように、梁天端側に床スラブとの一体化を図るスタッド
ボルト12等が植設されており、このスタッドボルト1
2と前記プレート状の低降伏点鋼材10との取り合いの
処置が必要となり、手間が掛かり工期も長くなる、と言
う問題点があった。
Further, at the end of the steel beam 2, as shown in FIG. 11, a stud bolt 12 or the like for integrating with a floor slab is planted at the top end of the beam.
2 and the plate-like low-yield-point steel material 10 must be treated, and there is a problem that it is troublesome and the construction period is long.

【0006】このように、従来の制振装置においては、
品質や施工性の点において解決すべき課題を有してい
た。本発明は、上記の課題に鑑みてなされたもので、施
工性およびコストの軽減を図ることを目的とする。
As described above, in the conventional vibration damping device,
There were issues to be solved in terms of quality and workability. The present invention has been made in view of the above problems, and has as its object to reduce workability and cost.

【0007】[0007]

【課題を解決するための手段】本発明の上記課題を解決
し上記目的を達成するための要旨は、鉄骨梁の端部に、
低降伏点鋼材と該低降伏点鋼材の外側に遊嵌状態で嵌装
され低降伏点鋼材の座屈を拘束するパイプと該低降伏点
鋼材の長手方向の両端に設ける取付用治具とをユニット
化させてなるユニット型制振部材を、着脱自在に固定し
てなる鉄骨梁における制振装置である。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems of the present invention and to achieve the above-mentioned object, the gist of the present invention is to provide an end of a steel beam,
Low yield point steel material and loosely fitted to the outside of the low yield point steel material
Pipe which restrains buckling of the low yield point steel and the low yield point
Unit with mounting jigs provided at both ends in the longitudinal direction of steel
The unit type damping member made by reduction, detachably fixed
This is a vibration damper for steel beams .

【0008】[0008]

【0009】[0009]

【作用】本発明の制振装置によれば、低降伏点鋼材をユ
ニット化したユニット型制振部材にするとともに、該ユ
ニット型制振部材を着脱自在にしたことにより、梁の端
部にボルト等で緊結できるようになる。よって、前記ユ
ニット型制振部材を容易に交換できるようになる。
According to the vibration damping device of the present invention, a low yield point steel material is unitized to form a unit type vibration damping member,
By making the knit type vibration damping member detachable , it becomes possible to tighten the end of the beam with a bolt or the like. Therefore,
The knit type vibration damping member can be easily replaced.

【0010】[0010]

【0011】[0011]

【実施例】次に、本発明に係る実施例について図面を参
照して詳細に説明する。本発明の第1実施例は、図1に
示すように、建物の柱1と鉄骨梁2との接合部におい
て、前記鉄骨梁2の端部に、ユニット型制振部材3を固
定したものである。
Next, an embodiment according to the present invention will be described in detail with reference to the drawings. In the first embodiment of the present invention, as shown in FIG. 1, a unit type vibration damping member 3 is fixed to an end of the steel beam 2 at a joint between the column 1 of the building and the steel beam 2. is there.

【0012】前記ユニット型制振部材3は、図2に示す
ように、低降伏点鋼材の丸鋼材4を所定長さで切断し、
その両端部を拡径にし、該丸鋼材4の中央部分に二つ割
りの部材を挟んでボルト・ナットで締結される鉄パイプ
5を嵌装させる。そして、前記丸鋼材4の両端をL字型
の取付用治具6,7の中央部の嵌合孔に嵌合させて溶接
し、一体化させたものである。
As shown in FIG. 2, the unit type vibration damping member 3 cuts a round steel material 4 of a low yield point steel material at a predetermined length.
The diameter of both ends is increased, and an iron pipe 5 fastened with bolts and nuts is fitted in the center of the round steel material 4 with a split member interposed therebetween. Then, both ends of the round steel material 4 are fitted into fitting holes at the center of the L-shaped mounting jigs 6, 7 and welded to be integrated.

【0013】前記丸鋼材4と鉄パイプ5とは、遊嵌状態
であってその間隙にはグリースを介在させた関係にした
アンボンド型である。また、前記鉄パイプ5の長さは、
前記丸鋼材4の中央部分の長さに合わせた適宜な長さと
なっている。
The round steel member 4 and the iron pipe 5 are of an unbonded type in a loosely fitted state in which a grease is interposed in a gap therebetween. The length of the iron pipe 5 is
It has an appropriate length according to the length of the central portion of the round steel material 4.

【0014】前記鉄パイプ5は、鉄骨梁2の圧縮時にお
いて、低降伏点鋼材である丸鋼材4が座屈しないよう
に、当該丸鋼材4の長手方向の座屈を拘束しているもの
である。
The iron pipe 5 restrains the buckling of the round steel 4 in the longitudinal direction so that the round steel 4 which is a low yield point steel does not buckle when the steel beam 2 is compressed. is there.

【0015】このように形成したユニット型制振部材3
を、前記鉄骨梁2の端部において、図3乃至図4に示す
ように、ボルト・ナットで締結して着脱自在に鉄骨梁2
に固定する。
The unit type vibration damping member 3 thus formed
At the end of the steel beam 2, as shown in FIGS. 3 and 4, the steel beam 2 is removably fastened by bolts and nuts.
Fixed to

【0016】この場合において、図3に示す場合は、ユ
ニット型制振部材3の片側を柱1に当接させたもので、
曲げ耐力を見込む場合の使用状態であり、図4に示す場
合は、曲げ耐力を見込まない場合の使用状態である。
In this case, in the case shown in FIG. 3, one side of the unit-type vibration damping member 3 is brought into contact with the column 1, and
This is a use state in which bending strength is expected, and the case shown in FIG. 4 is a usage state in which bending strength is not expected.

【0017】次に、図6乃至図8に示す他の実施例は、
同一径の丸鋼材を複数種類の長さに標準化した丸鋼材
8,9として、これを鉄骨梁2に固着して制振作用を持
たせる場合の性能に応じて、所要数の前記丸鋼材8,9
を鉄骨梁2の上下端面に溶接したものである。
Next, another embodiment shown in FIGS.
A required number of the round steel materials 8 and 9 having the same diameter as the round steel materials 8 and 9 which are standardized to a plurality of types of lengths are provided depending on the performance when the steel bars 2 are fixed to the steel beam 2 to have a vibration damping action. , 9
Are welded to the upper and lower end surfaces of the steel beam 2.

【0018】前記丸鋼材8,9は、所定長さに予め切断
しておき、これを現場に搬入して使用すればよいので運
搬作業も容易であり、また、建設現場にて切断加工する
こともできて作業性が良いものである。
The round steel materials 8 and 9 are cut in advance to a predetermined length, and can be transported to the site for use. Therefore, the work is easy to carry. It has good workability.

【0019】更に、鉄骨梁2に溶接する際にも、梁天端
のスタッドボルト等を避けて設置することも容易であ
り、設置の自由度も高いものである。
Furthermore, when welding to the steel beam 2, it is easy to install the steel beam avoiding stud bolts at the top end of the beam, and the degree of freedom of installation is high.

【0020】前記丸鋼材8,9を鉄骨梁2に溶接するの
で、建設現場に置いて溶接作業を伴うことになるが、丸
鋼材なので点溶接する等で部分的な溶接で済み鉄骨梁2
に熱的な悪影響を与えることもない。また、柱1,1間
に鉄骨梁2を架構した後に、前記丸鋼材を前記鉄骨梁2
に後加工ができるので施工性が向上するものである。
Since the round steel members 8 and 9 are welded to the steel beam 2, welding work is required at the construction site. However, since the round steel material is partially welded by spot welding, the steel beam 2 is completed.
It does not adversely affect the heat. After the steel beam 2 is erected between the columns 1 and 1, the round steel material is
Since post-processing can be performed, workability is improved.

【0021】本発明に係る制振装置による制振効果を図
9に示す。図において縦軸が軸応力(t/cm2)、横
軸が(軸歪)であり、小ひずみ時の履歴減衰が制振装置
がない場合に比べて大きくなることが判る。
FIG. 9 shows the vibration damping effect of the vibration damping device according to the present invention. In the figure, the vertical axis indicates the axial stress (t / cm 2 ), and the horizontal axis indicates (axial strain). It can be seen that the hysteresis attenuation at the time of small strain is larger than that without the vibration damping device.

【0022】[0022]

【発明の効果】以上説明したように、本発明の鉄骨梁に
おける制振装置は、鉄骨梁の端部に、低降伏点鋼材と該
低降伏点鋼材の外側に遊嵌状態で嵌装され低降伏点鋼材
の座屈を拘束するパイプと該低降伏点鋼材の長手方向の
両端に設ける取付用治具とをユニット化させてなるユニ
ット型制振部材を、着脱自在に固定したものなので、制
振装置としてユニット型にして高品質なものになり、鉄
骨梁の熱的影響による劣化の心配もない。また、着脱自
在であるので制振部材の交換が容易であり、要求される
性能に応じて設計変更の自由度も増すと言う優れた効果
を奏する。
As described above, the vibration damping device for a steel beam according to the present invention has a low yield point steel material at the end of the steel beam and a low yield point steel material which is loosely fitted to the outside of the low yield point steel material. Yield point steel
Buckling of the pipe and the low yield point steel material in the longitudinal direction
A unit- type vibration damping member, which is a unit of mounting jigs provided at both ends , is detachably fixed, so that it is a unit-type vibration damping device and has high quality. There is no concern about deterioration of steel beams due to thermal effects. In addition, since it is detachable, the vibration damping member can be easily replaced, and an excellent effect of increasing the degree of freedom of design change according to required performance is achieved.

【0023】[0023]

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る第1実施例を示す正面図である。FIG. 1 is a front view showing a first embodiment according to the present invention.

【図2】同本発明に係るユニット型制振部材の正面図で
ある。
FIG. 2 is a front view of a unit-type vibration damping member according to the present invention.

【図3】図1のA−A線に沿った縦断面図である。FIG. 3 is a vertical sectional view taken along line AA of FIG. 1;

【図4】ユニット型制振部材を鉄骨梁に取り付ける場合
の他の例を示す一部縦断面図である。
FIG. 4 is a partial longitudinal sectional view showing another example of the case where the unit type vibration damping member is attached to a steel beam.

【図5】同ユニット型制振部材を鉄骨梁に取り付ける場
合の他の例を示す正面図である。
FIG. 5 is a front view showing another example in which the unit type vibration damping member is attached to a steel beam.

【図6】他の実施例に係る正面図である。FIG. 6 is a front view according to another embodiment .

【図7】同他の実施例の平面図である。FIG. 7 is a plan view of another embodiment .

【図8】同他の実施例の縦断面図である。FIG. 8 is a longitudinal sectional view of another embodiment .

【図9】軸歪と軸応力の関係を示す説明図である。FIG. 9 is an explanatory diagram showing a relationship between axial strain and axial stress.

【図10】従来例に係る制振装置の使用状態の正面図で
ある。
FIG. 10 is a front view of a used state of a vibration damping device according to a conventional example.

【図11】同側縦断面図である。FIG. 11 is a longitudinal sectional view of the same side.

【符号の説明】[Explanation of symbols]

1 柱、2 鉄骨梁、3 ユニット型制振部材、4 丸
鋼材、5 鉄パイプ、6,7 取付用治具、8,9 丸
鋼材。
1 pillar, 2 steel beams, 3 unit type damping member, 4 round steel, 5 iron pipe, 6,7 mounting jig, 8,9 round steel.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 舘野 孝信 東京都中央区京橋1−7−1 戸田建設 株式会社内 (72)発明者 海老沢 弘道 東京都中央区京橋1−7−1 戸田建設 株式会社内 (72)発明者 高梨 成次 東京都中央区京橋1−7−1 戸田建設 株式会社内 (56)参考文献 特開 平4−128460(JP,A) 実開 平5−73170(JP,U) ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takanobu Tateno 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Hiromichi Ebisawa 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Seiji Takanashi 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (56) References JP-A-4-128460 (JP, A) JP-A-5-73170 (JP, U )

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 鉄骨梁の端部に、低降伏点鋼材と該低降
伏点鋼材の外側に遊嵌状態で嵌装され低降伏点鋼材の座
屈を拘束するパイプと該低降伏点鋼材の長手方向の両端
に設ける取付用治具とをユニット化させてなるユニット
型制振部材を、着脱自在に固定したことを特徴とする鉄
骨梁における制振装置。
1. A low yield point steel material and a seat of a low yield point steel material which is loosely fitted to an end of a steel beam and is fitted outside the low yield point steel material.
Pipes that restrain buckling and both ends in the longitudinal direction of the low yield point steel
A vibration damping device for a steel beam, wherein a unit-type vibration damping member obtained by uniting a mounting jig provided in the unit is detachably fixed.
JP6128619A 1994-06-10 1994-06-10 Damping device for steel beams Expired - Fee Related JP2726003B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6128619A JP2726003B2 (en) 1994-06-10 1994-06-10 Damping device for steel beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6128619A JP2726003B2 (en) 1994-06-10 1994-06-10 Damping device for steel beams

Publications (2)

Publication Number Publication Date
JPH07331795A JPH07331795A (en) 1995-12-19
JP2726003B2 true JP2726003B2 (en) 1998-03-11

Family

ID=14989273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6128619A Expired - Fee Related JP2726003B2 (en) 1994-06-10 1994-06-10 Damping device for steel beams

Country Status (1)

Country Link
JP (1) JP2726003B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4280956B2 (en) * 2000-01-31 2009-06-17 東京鐵鋼株式会社 Damping structure of building structures
JP4546619B2 (en) * 2000-06-22 2010-09-15 株式会社竹中工務店 Column base damping structure
US20080148681A1 (en) * 2006-12-22 2008-06-26 Badri Hiriyur Moment frame connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04128460A (en) * 1990-09-19 1992-04-28 Toshiro Suzuki Reinforcing structural member
JPH0573170U (en) * 1992-03-05 1993-10-05 新日本製鐵株式会社 Vibration suppression beams for steel structures

Also Published As

Publication number Publication date
JPH07331795A (en) 1995-12-19

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