JPH0468496B2 - - Google Patents
Info
- Publication number
- JPH0468496B2 JPH0468496B2 JP62051288A JP5128887A JPH0468496B2 JP H0468496 B2 JPH0468496 B2 JP H0468496B2 JP 62051288 A JP62051288 A JP 62051288A JP 5128887 A JP5128887 A JP 5128887A JP H0468496 B2 JPH0468496 B2 JP H0468496B2
- Authority
- JP
- Japan
- Prior art keywords
- damper
- damper body
- base plate
- elastoplastic
- end surface
- 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
- 230000037237 body shape Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 240000001549 Ipomoea eriocarpa Species 0.000 description 1
- 235000005146 Ipomoea eriocarpa Nutrition 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は構造物のジヨイント部に介在され、
地震等により構造物に生じる振動エネルギーを吸
収する弾塑性ダンパーに関する。[Detailed Description of the Invention] (Industrial Application Field) This invention is provided in a joint part of a structure,
This field relates to elastoplastic dampers that absorb vibration energy generated in structures due to earthquakes, etc.
（従来の技術および問題点）
構造的に分離された構造物間においては熱変形
対策のため、地震時に部分的に過大な応力が発生
するのを防ぐため等の目的でエキスパンシヨンジ
ヨイントを設けるのが普通である。エキスパンシ
ヨンジヨイントによつて分離される構造物の振動
特性はそれぞれ異なるものとなるので、地震時に
おけるそれぞれの構造物の動きの差は大きくな
る。そこで従来は構造物間を連結するジヨイント
部材にオイルダンパー等を介在させ、構造物の振
動時における動きの差を利用して振動エネルギー
を吸収している。(Conventional technology and problems) Expansion joints are used between structurally separated structures to prevent thermal deformation and to prevent excessive stress from occurring locally during an earthquake. It is common to have one. Since the vibration characteristics of the structures separated by the expansion joints are different from each other, the difference in the movement of each structure during an earthquake becomes large. Therefore, conventionally, an oil damper or the like is interposed in a joint member that connects structures to absorb vibration energy by utilizing the difference in movement when the structures vibrate.
しかしオイルダンパーは一方向の力に対しての
み作用するので、構造物の動きを充分検討して配
置しなければならず、取付け方向を決定するのが
きわめて難かしい。また多方向に同時に振動が生
じた場合には減震効果が低いという欠点がある。 However, since the oil damper only acts on force in one direction, the movement of the structure must be carefully considered when arranging the damper, making it extremely difficult to determine the mounting direction. Another disadvantage is that the seismic attenuation effect is low when vibrations occur simultaneously in multiple directions.
また近年構造物の免震を目的として、構造物下
端と基礎との間に支承とダンパーとを兼ねる免震
装置を設置することが多い。免震装置の一例とし
ては、第１６図に示すように鋼棒２２を鉄筋コン
クリートブロツク２３に片持ち状に取付け、その
周囲を朝顔状に形成し、大きな水平力が作用した
場合には、鋼棒２２を周囲の鉄筋コンクリートブ
ロツク２３で支持するように構成したものが開発
されている。 Furthermore, in recent years, for the purpose of seismic isolation of structures, a seismic isolation device that serves as both a support and a damper is often installed between the lower end of the structure and the foundation. As an example of a seismic isolation device, as shown in Fig. 16, a steel rod 22 is attached to a reinforced concrete block 23 in a cantilevered manner, and the surrounding area is formed into a morning glory shape, so that when a large horizontal force is applied, the steel rod 22 is supported by surrounding reinforced concrete blocks 23 has been developed.
しかし、この免震装置はダンパー部が鋼棒であ
るため、降伏荷重が小さく抵抗モーメントを大き
くとれないという問題がある。 However, since the damper portion of this seismic isolation device is made of a steel rod, there is a problem in that the yield load is small and a large resistance moment cannot be obtained.
この発明は以上の問題点を解決するために創案
されたもので、減震装置、免震装置の双方に適用
でき、取付方向を決定する必要がなく、塑性変形
能力がきわめて大きい弾塑性ダンパーを提供する
ことを目的とする。 This invention was created to solve the above problems, and is applicable to both seismic attenuation devices and seismic isolation devices, eliminates the need to determine the installation direction, and provides an elastoplastic damper with extremely large plastic deformation capacity. The purpose is to provide.
（問題点を解決するための手段）
この発明の弾塑性ダンパーは建物間に介在して
地震エネルギーを吸収するものであり円錐、また
は頭部の径が小さく底部の径が大きく外径が少し
ふくらんだ円錐に近い回転体形状で、空洞のダン
パー本体の底部周囲にベースプレートを一体に設
けダンパー本体を薄肉としてなるもので、構造物
下端と基礎との間などに設置される。ベースプレ
ートには複数のボルト挿通孔を穿設し、挿通孔に
ボルトを通してナツトにて締結する。ダンパー本
体の頂部はピン接合とし、接合部に曲げモーメン
トが生じないようにすることができる。(Means for Solving the Problems) The elastoplastic damper of this invention is interposed between buildings to absorb seismic energy, and has a conical shape or a small head diameter, a large bottom diameter, and a slightly swollen outer diameter. It has a rotating body shape similar to an elliptic cone, and has a base plate integrated around the bottom of a hollow damper body, making the damper body thin, and is installed between the lower end of a structure and the foundation. A plurality of bolt insertion holes are formed in the base plate, and the bolts are passed through the insertion holes and fastened with nuts. The top of the damper body can be pin-jointed to prevent bending moments from occurring at the joint.
（実施例）
以下、この発明を図面に示す実施例に基いて説
明する。(Example) The present invention will be described below based on an example shown in the drawings.
第１図はこの発明の弾塑性ダンパーＡを隣り合
う構造物１，２間のエキスパンシヨンジヨイント
３に適用したもので、複数の弾塑性ダンパーＡを
構造物１，２の側面に沿つて配設してある。 Fig. 1 shows an elastoplastic damper A of the present invention applied to an expansion joint 3 between adjacent structures 1 and 2, in which a plurality of elastoplastic dampers A are applied along the sides of the structures 1 and 2. It is arranged.
第２図は一方の構造物１に設けた受け部４に弾
塑性ダンパーＡのベースプレートを固定し、該弾
塑性ダンパーＡの頂部とその上に設置したエキス
パンシヨンジヨイントのスライド部５の先端下端
面とをピン接合したものである。 Figure 2 shows a base plate of an elastoplastic damper A fixed to a receiving part 4 provided on one structure 1, and the top of the elastoplastic damper A and the tip of the slide part 5 of an expansion joint installed on top of the elastoplastic damper A. The lower end surface is pin-jointed.
第３図は構造物１下端と基礎６との間に複数の
弾塑性ダンパーＡを配設し、免震装置として使用
するものである。 In FIG. 3, a plurality of elastoplastic dampers A are arranged between the lower end of the structure 1 and the foundation 6, and are used as a seismic isolation device.
第４図は梁１８下端面と壁１９上端面およびス
ラブ２０上端面と壁１９下端面との間に複数の弾
塑性ダンパーＡを配設したもので、梁１８または
スラブ２０と壁１９とを弾塑性ダンパーＡを介し
て連結することにより、水平力による層間変形を
弾塑性ダンパーＡで吸収し、壁１９に変形を生じ
させないようにしてある。地震時に壁１９にかか
る水平力はダンパーＡのエネルギー吸収能力で決
まるので、壁１９がそれ以上の強度を有していれ
ば破壊することはない。すなわち壁１９には変形
能力は不要で、必要な強度さえあればよい。 In FIG. 4, a plurality of elastic-plastic dampers A are arranged between the lower end surface of the beam 18 and the upper end surface of the wall 19, and between the upper end surface of the slab 20 and the lower end surface of the wall 19. By connecting through the elastic-plastic damper A, the interlayer deformation caused by the horizontal force is absorbed by the elastic-plastic damper A, and the wall 19 is prevented from being deformed. Since the horizontal force applied to the wall 19 during an earthquake is determined by the energy absorption capacity of the damper A, if the wall 19 has a strength higher than that, it will not be destroyed. That is, the wall 19 does not need to have deformation ability, and only needs to have the necessary strength.
第５図は梁１８下端面と壁１９の上端面との間
のみに弾塑性ダンパーＡを配設したものである。
図示していないが、スラブ２０上端面と壁１９の
下端面との間のみに弾塑性ダンパーＡを配設して
もよい。 In FIG. 5, an elastoplastic damper A is provided only between the lower end surface of the beam 18 and the upper end surface of the wall 19.
Although not shown, the elastic-plastic damper A may be provided only between the upper end surface of the slab 20 and the lower end surface of the wall 19.
なお、大地震後はダンパーＡだけを取り替え、
壁１９はそのまま使用する。このことは前述した
第１図〜第３図の各適用例についても同様であ
る。 In addition, after a major earthquake, only damper A was replaced,
Wall 19 will be used as is. This also applies to each of the application examples shown in FIGS. 1 to 3 described above.
弾塑性ダンパーＡは第６図に示すように円錐形
状のダンパー本体７とベースプレート８とから構
成されており、ダンパー本体７と該ダンパー本体
７底部周囲のベースプレート８とは一体に形成さ
れている。ダンパー本体７の中は空洞とされてお
り、ダンパー本体７の頂部とベースプレート８の
肉厚はダンパー本体７の肉厚より厚く形成されて
いる。 As shown in FIG. 6, the elastic-plastic damper A is composed of a conical damper body 7 and a base plate 8, and the damper body 7 and the base plate 8 around the bottom of the damper body 7 are integrally formed. The inside of the damper body 7 is hollow, and the thickness of the top of the damper body 7 and the base plate 8 are formed to be thicker than the thickness of the damper body 7.
ベースプレート８にはアンカーボルト９の取付
位置に合わせて複数のボルト挿通孔１０が穿設さ
れており、各ボルト挿通孔１０にアンカーボルト
９を挿通し、該アンカーボルト９により上方より
ナツト１１を螺着して締結することにより、ベー
スプレート８を構造物の受け部４（または基礎６
または壁１９）の端面に固定する。 A plurality of bolt insertion holes 10 are bored in the base plate 8 in accordance with the mounting positions of the anchor bolts 9. The anchor bolts 9 are inserted into each bolt insertion hole 10, and the nuts 11 are screwed from above using the anchor bolts 9. By attaching and fastening the base plate 8 to the receiving part 4 (or foundation 6) of the structure.
Or fix it to the end face of the wall 19).
ダンパー本体７先端には連結板１２が位置して
いる。該連結板１２の中央には嵌合部１３が穿設
されており、該嵌合部１３はダンパー本体７の頂
部に嵌合し、ピン接合している。連結板１２はボ
ルト１４等でエキスパンシヨンジヨイント５下面
（または構造物１下端面または梁１８下端面もし
くはスラブ２０の上面）に固定される。 A connecting plate 12 is located at the tip of the damper body 7. A fitting part 13 is bored in the center of the connecting plate 12, and the fitting part 13 fits into the top of the damper body 7 and is connected with a pin. The connecting plate 12 is fixed to the lower surface of the expansion joint 5 (or the lower end surface of the structure 1 or the lower end surface of the beam 18 or the upper surface of the slab 20) with bolts 14 or the like.
第７図は弾塑性ダンパーＡの第２実施例を示す
もので、ダンパー本体７を頭部の径が小さく底部
の径が大きく外形が少しふくらんだ円錐に近い回
転体形状に形成してある。 FIG. 7 shows a second embodiment of the elastic-plastic damper A, in which the damper main body 7 is formed into a rotating body shape that is close to a cone with a small head diameter, a large bottom diameter, and a slightly conical outer shape.
ここで第８図に示すようにベースプレート８を
固定した弾塑性ダンパーＡのダンパー本体７の先
端に水平力Ｐが作用する場合を考える。このとき
ダンパー本体７の曲げモーメント図は第９図に示
すようになる。 Here, consider the case where a horizontal force P acts on the tip of the damper body 7 of the elastic-plastic damper A to which the base plate 8 is fixed as shown in FIG. At this time, the bending moment diagram of the damper body 7 becomes as shown in FIG.
次にダンパー本体７の抵抗モーメントMrは下
の式で表わされる。 Next, the resistance moment M r of the damper body 7 is expressed by the following formula.
Mr＝σb・Ｚ
（σb：曲げ応力度、Ｚ：断面係数）
ところでダンパー本体７は中空円錐形状である
ので、上方から下方へいくに従つて断面係数Ｚが
増加するから、曲げ応力度σbは常にほぼ一定とな
り、いわゆる平等強さの梁となる。そしてダンパ
ー本体７の抵抗モーメント図は第１０図に示すよ
うになる。 M r =σ b・Z (σ b : bending stress, Z: section modulus) By the way, since the damper body 7 has a hollow conical shape, the section modulus Z increases from the top to the bottom, so the bending stress The degree σ b is always approximately constant, resulting in a beam of so-called equal strength. The resistance moment diagram of the damper body 7 is shown in FIG.
また、ダンパー本体７の先端に作用する水平力
Ｐが増加していくと、まずダンパー本体７の一点
が降伏し、次々と縦方向に降伏域が生じ、さらに
この降伏域が円周方向に拡がつてコーン全体が降
伏していく。ここで水平力Ｐと、ダンパー本体７
先端に生じるたわみとの関係を求めると、第１１
図のグラフに示すようになる（Pyはダンパー本
体７の一点が降伏するときの荷重、δyはそのとき
のたわみ、Pnaxは全体が降伏するときの荷重、
δnaxはそのときのたわみである。）。図示したよう
にPyとPnaxの差は小さく、δyとδnaxの差は非常に
大きいので、ダンパーの塑性変形能力はきわめて
大きい。 Furthermore, as the horizontal force P acting on the tip of the damper body 7 increases, first one point of the damper body 7 yields, then a yield region occurs in the vertical direction one after another, and this yield region further expands in the circumferential direction. Eventually, the entire cone surrenders. Here, the horizontal force P and the damper body 7
When looking for the relationship with the deflection that occurs at the tip, the 11th
The graph in the figure shows (P y is the load when one point of the damper body 7 yields, δ y is the deflection at that time, P nax is the load when the entire damper body 7 yields,
δ nax is the deflection at that time. ). As shown in the figure, the difference between P y and P nax is small, and the difference between δ y and δ nax is very large, so the plastic deformation capacity of the damper is extremely large.
第１２図〜第１４図はこの発明の第３実施例を
示すものである。この実施例ではダンパー本体７
の弾性および塑性座屈に対する補強のため、およ
び塑性化によつて生じる熱を発散させるために、
ダンパー本体７の周囲に水平方向に突出する複数
のフイン１５を一体に設けてある。フイン１５は
第１２図に示すようにダンパー本体７の外周面に
設けてもよいし、第１３図に示すように内周面に
設けてもよい。また第１４図に示すように内外周
の両面に設けてもよい。 12 to 14 show a third embodiment of the present invention. In this embodiment, the damper body 7
for reinforcement against elastic and plastic buckling and to dissipate the heat generated by plasticization.
A plurality of fins 15 are integrally provided around the damper body 7 and project horizontally. The fins 15 may be provided on the outer peripheral surface of the damper main body 7 as shown in FIG. 12, or may be provided on the inner peripheral surface as shown in FIG. 13. Further, as shown in FIG. 14, it may be provided on both the inner and outer circumferences.
第１５図はこの発明の第４実施例を示すもので
ある。この実施例ではダンパー本体７の中空部に
コンクリート１６（または鉛１７）を詰め、ダン
パー本体７の座屈強度を増強し、ダンパー本体７
の塑性化により発生する熱を吸収し、コンクリー
トのひび割れおよびひび割れ後の摩擦（または鉛
の塑性変形）よりエネルギー吸収能力を向上させ
ている。なお、以上に述べた第１実施例、第２実
施例、第３実施例においては、ベースプレート８
の中央に穴があいているが、これは製作上あけて
あるもので、後に塞いでもよいし、穴のないベー
スプレートを使用してもかまわない。 FIG. 15 shows a fourth embodiment of the invention. In this embodiment, the hollow part of the damper body 7 is filled with concrete 16 (or lead 17) to increase the buckling strength of the damper body 7.
It absorbs the heat generated by the plasticization of concrete, improving its ability to absorb energy from cracks in concrete and friction after cracking (or plastic deformation of lead). In addition, in the first embodiment, second embodiment, and third embodiment described above, the base plate 8
There is a hole in the center of the base plate, but this is a hole in the manufacturing process, and it can be closed later, or you can use a base plate without a hole.
（発明の効果）
ダンパー本体は空洞で円錐形状であるため、
取付方向を決定する必要がない。(Effect of the invention) Since the damper body is hollow and has a conical shape,
There is no need to determine the mounting direction.
ダンパー本体の頂部、ベースプレートは厚肉
で、本体部分は薄肉となり空洞であるので塑性
変形能力がきわめて大きく、エネルギー吸収能
力が高い。 The top of the damper body, the base plate, is thick, and the main body is thin and hollow, so it has extremely large plastic deformation capacity and high energy absorption capacity.
ダンパー本体の形状および板厚を変えること
により降伏荷重の大きさを自由に設定すること
ができる。 By changing the shape and plate thickness of the damper body, the magnitude of the yield load can be freely set.
減震装置、免震装置の双方に適用できる。 It can be applied to both seismic attenuation devices and seismic isolation devices.
ダンパー本体とベースプレートとは一体であ
るので、コンパクトであり、また頭部は嵌合に
よりピン接合とされて取付けられるので取り替
えが容易であり、またダンパー頂部には曲げモ
ーメントが生じない。 Since the damper main body and the base plate are integrated, it is compact, and since the head is fitted with a pin connection, replacement is easy, and no bending moment is generated at the top of the damper.
第１図はこの発明の適用例を示す平面図、第２
図〜第５図はそれぞれ他の適用例を示す側面図、
第６図はこの発明の第１実施例を示す断面図、第
７図は同じく第２実施例を示す断面図、第８図は
ダンパー本体の先端に作用する水平力Ｐおよび水
平力Ｐにより生じるたわみδの位置および方向を
示す弾塑性ダンパーの斜視図、第９図は第８図に
示す水平力Ｐにより生じるダンパー本体の曲げモ
ーメント図、第１０図はダンパー本体の抵抗モー
メント図、第１１図は水平力Ｐとたわみδとの関
係を示すグラフ、第１２図〜第１４図はこの発明
の第３実施例を示す断面図、第１５図は第４実施
例を示す断面図、第１６図は従来例を示す断面図
である。
Ａ……弾塑性ダンパー、１，２……建物、３…
…エキスパンシヨンジヨイント、４……受け部、
５……スライド部、６……基礎、７……ダンパー
本体、８……ベースプレート、９……アンカーボ
ルト、１０……ボルト挿通孔、１１……ナツト、
１２……連結板、１３……嵌合部、１４……ボル
ト、１５……フイン、１６……コンクリート、１
７……鉛、１８……梁、１９……壁、２０……ス
ラブ、２１……柱、２２……鋼棒、２３……鉄筋
コンクリートブロツク。
Fig. 1 is a plan view showing an example of application of this invention;
Figures 5 to 5 are side views showing other application examples, respectively;
FIG. 6 is a sectional view showing the first embodiment of the present invention, FIG. 7 is a sectional view similarly showing the second embodiment, and FIG. 8 is a horizontal force P acting on the tip of the damper body and generated by the horizontal force P. A perspective view of the elastic-plastic damper showing the position and direction of the deflection δ, FIG. 9 is a bending moment diagram of the damper body caused by the horizontal force P shown in FIG. 8, FIG. 10 is a resistance moment diagram of the damper body, and FIG. 11 is a graph showing the relationship between horizontal force P and deflection δ, FIGS. 12 to 14 are cross-sectional views showing the third embodiment of this invention, FIG. 15 is a cross-sectional view showing the fourth embodiment, and FIG. is a sectional view showing a conventional example. A... Elastoplastic damper, 1, 2... Building, 3...
...expansion joint, 4...receiving part,
5...Slide part, 6...Foundation, 7...Damper body, 8...Base plate, 9...Anchor bolt, 10...Bolt insertion hole, 11...Nut,
12... Connection plate, 13... Fitting part, 14... Bolt, 15... Fin, 16... Concrete, 1
7...lead, 18...beam, 19...wall, 20...slab, 21...column, 22...steel rod, 23...reinforced concrete block.
Claims (1)
ダンパーでありダンパー本体を円錐、または頭部
の径が小さく底部の径が大きく外径が少しふくら
んだ円錐に近い回転体形状で頭部を中実に、下方
のダンパー本体を空洞に形成するとともに、ダン
パー本体の頭部を連結板中央に穿設した嵌合部に
嵌合し、ダンパー本体底部周囲にベースプレート
を一体に形成しダンパー本体の頂部とベースプレ
ートはダンパー本体の肉厚より厚く形成してなる
ことを特徴とする弾塑性ダンパー。1 A damper that is placed between buildings to absorb seismic energy.The main body of the damper is conical, or the head is solid and has a rotating body shape similar to a cone, with a small head diameter, a large bottom diameter, and a slightly swollen outer diameter. , the lower damper body is formed into a cavity, the head of the damper body is fitted into a fitting part drilled in the center of the connecting plate, and a base plate is integrally formed around the bottom of the damper body, and the top of the damper body and the base plate are formed integrally around the bottom of the damper body. is an elastoplastic damper characterized by being formed thicker than the thickness of the damper body.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62051288A JPS63219926A (en) | 1987-03-06 | 1987-03-06 | Elastic/plastic damper |
| US07/140,307 US4901486A (en) | 1987-03-06 | 1987-12-31 | Elasto-plastic damper |
| US07/439,087 US5065555A (en) | 1987-03-06 | 1989-11-21 | Elasto-plastic damper |
| US07/759,186 US5177915A (en) | 1987-03-06 | 1991-09-10 | Elasto-plastic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62051288A JPS63219926A (en) | 1987-03-06 | 1987-03-06 | Elastic/plastic damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63219926A JPS63219926A (en) | 1988-09-13 |
| JPH0468496B2 true JPH0468496B2 (en) | 1992-11-02 |
Family
ID=12882743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62051288A Granted JPS63219926A (en) | 1987-03-06 | 1987-03-06 | Elastic/plastic damper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63219926A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02128836U (en) * | 1989-03-31 | 1990-10-24 | ||
| JPH0728429Y2 (en) * | 1989-03-31 | 1995-06-28 | 鹿島建設株式会社 | Elastic-plastic damper |
| FR2862362B1 (en) * | 2003-11-14 | 2006-09-08 | Faurecia Interieur Ind | ENERGY ABSORPTION DEVICE WITH CONE HEAD ELEMENTS |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5166633A (en) * | 1974-10-27 | 1976-06-09 | Bikutaa Hindaakusu Mitsucha | Oshitsubushidekiru kozobuzai |
| JPS56131849A (en) * | 1980-03-21 | 1981-10-15 | Koryo Miura | Energy absorbing element |
| JPS5756617A (en) * | 1980-09-17 | 1982-04-05 | Daihatsu Motor Co Ltd | Swirl-chamber disel engine |
| JPS5927354U (en) * | 1982-08-17 | 1984-02-20 | 中村 正信 | Automatic lubrication device for hollow camshaft |
| JPS6146120U (en) * | 1984-08-30 | 1986-03-27 | ダイハツ工業株式会社 | Shearing device |
| JPS61189342A (en) * | 1985-02-15 | 1986-08-23 | Toshiba Corp | Damper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647390Y2 (en) * | 1975-11-04 | 1981-11-06 | ||
| JPS59136377U (en) * | 1983-03-03 | 1984-09-11 | いすゞ自動車株式会社 | Automobile steering support device |
-
1987
- 1987-03-06 JP JP62051288A patent/JPS63219926A/en active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5166633A (en) * | 1974-10-27 | 1976-06-09 | Bikutaa Hindaakusu Mitsucha | Oshitsubushidekiru kozobuzai |
| JPS56131849A (en) * | 1980-03-21 | 1981-10-15 | Koryo Miura | Energy absorbing element |
| JPS5756617A (en) * | 1980-09-17 | 1982-04-05 | Daihatsu Motor Co Ltd | Swirl-chamber disel engine |
| JPS5927354U (en) * | 1982-08-17 | 1984-02-20 | 中村 正信 | Automatic lubrication device for hollow camshaft |
| JPS6146120U (en) * | 1984-08-30 | 1986-03-27 | ダイハツ工業株式会社 | Shearing device |
| JPS61189342A (en) * | 1985-02-15 | 1986-08-23 | Toshiba Corp | Damper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63219926A (en) | 1988-09-13 |
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