WO2009054533A1 - Seismic isolation system for structures - Google Patents
Seismic isolation system for structures Download PDFInfo
- Publication number
- WO2009054533A1 WO2009054533A1 PCT/JP2008/069581 JP2008069581W WO2009054533A1 WO 2009054533 A1 WO2009054533 A1 WO 2009054533A1 JP 2008069581 W JP2008069581 W JP 2008069581W WO 2009054533 A1 WO2009054533 A1 WO 2009054533A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seismic isolation
- coupling plate
- members
- upper section
- fixed
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- 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
- F16F15/073—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 using only leaf 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
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
Abstract
The seismic isolation system is provided with a seismic isolation apparatus 1, an upper section A of a structure and a lower section B of the structure supporting the upper section A via the seismic isolation apparatus 1. The seismic isolation apparatus 1 is provided with a plurality of U-shaped seismic isolation members 10, a first coupling plate 20 to which one end of the seismic isolation member 10 is fixed and a second coupling plate 30 to which the other end of the seismic isolation member 10 is fixed. Each of escape portions As, Bs which allows the seismic isolation member 10 to plastically deform is formed at least on one of the upper section A and the lower section B.
Description
DESCRIPTION
SEISMIC ISOLATION SYSTEM FOR STRUCTURES
TECHNICAL FIELD
[0001] The present invention relates to a seismic isolation system for structures.
This application claims the right of priority to Japanese Patent Application No. 2007-279149 filed on October 26, 2007, the content of which is incorporated herein by reference in its entirety.
BACKGROUND ART OF THE INVENTION
[0002] Conventionally, in structures such as buildings, bridges, elevated roads and elevated railways, there has been proposed a seismic isolation apparatus which is placed between an upper section such as a building frame of a structure and a lower section such as a foundation of the structure, thus damping the vibrations of the upper section to the lower section when exposed to large amounts of energy such as when earthquakes occur as earthquakes. For example, Patent Documents 1 to 3 below have disclosed a seismic isolation apparatus which is in combination with an isolator and a damping mechanism between the upper section and the lower section. [0003] In the above seismic isolation apparatus, the isolator
made by alternately stacking metal plates and plate-shaped elastic bodies is interposed between the upper section and the lower section and fixed to both of them. The upper section is supported by the lower section via the isolator. A damping mechanism is constituted with a plurality of seismic isolation members (curved members) made of an elastic-plastic material. The plurality of seismic isolation members are placed regularly in the vicinity of the isolator (for example, in a radial manner) , and the seismic isolation members are fixed individually, more specifically, one end thereof is fixed to the upper section while the other end is fixed to the lower section. In the damping mechanism, when large amounts of energy act on a structure by which the upper section vibrates in a horizontal direction with respect to the lower section, for example, at the time of earthquakes, seismic isolation members undergo plastic deformation to absorb the seismic energy. In other words, the energy incoming to the upper section is absorbed so that the seismic isolation members can undergo plastic deformation. PATENT DOCUMENT 1: Japanese Patent No. 3533110 PATENT DOCUMENT 2: Japanese Patent No. 3543004
PATENT DOCUMENT 3: Japanese Published Unexamined Patent Application No. 2004-340301
DETAILED DESCRIPTION OF THE INVENTION PROBLEMS TO BE SOLVED BY THE INVENTION
[0004] In a structure in which the above-described seismic isolation apparatus is used, upon action of large amounts of energy such as earthquakes, a curved portion of the seismic isolation member is deformed so as to expand outward and may be brought into contact with the upper section or the lower section . Therefore, when the seismic isolation member is brought into contact with the upper section or the lower section, the seismic isolation member undergoes a local stress concentration, resulting in a failure to effectively absorb the energy of earthquakes. Further, the seismic isolation member may be damaged.
[0005] The present invention has been made in view of the above circumstances, an object of which is to provide a seismic isolation system for structures capable of effectively absorbing the energy of earthquakes without preventing the plastic deformation of seismic isolation members.
MEANS FOR SOLVING THE PROBLEMS [0006] The seismic isolation system for structures in the present invention is provided with a seismic isolation apparatus, an upper section of a structure and a lower section of the structure supporting the upper section via the seismic isolation apparatus . The seismic isolation apparatus is provided with a plurality of U-shaped seismic isolation members, a first coupling plate to which one end of the seismic isolation member is fixed and
a second coupling plate to which the other end of the seismic isolation member is fixed. An escape portion which allows the seismic isolation member to plastically deform is formed at least on one of the upper section and the lower section. [0007] In the present invention, since the escape portion which allows the seismic isolation member to plastically deform is formed at least on one of the upper section and the lower section, the seismic isolation member will not be brought into contact with the upper section or the lower section, even if a curved portion of the seismic isolation member is deformed so as to expand outward, upon action of large amounts of energy such as earthquakes. Therefore, there is no chance that the seismic isolation member undergoes a local stress concentration, and consequently the seismic isolation system of the present invention is able to effectively absorb the energy of earthquakes .
ADVANTAGEOUS EFFECT OF THE INVENTION
[0008] According to the seismic isolation system of the present invention, the seismic isolation member is not prevented from undergoing the plastic deformation and, therefore, is able to effectively absorb the energy of earthquakes.
BRIEF DESCRIPTION OF THE DRAWINGS
[0009] FIG. 1 is a perspective view showing a seismic isolation apparatus constituting the seismic isolation system of the
present invention.
FIG. 2 is a plan view showing the seismic isolation apparatus constituting the seismic isolation system of the present invention. FIG. 3 is a perspective view showing a seismic isolation member of the seismic isolation apparatus.
FIG. 4 is a cross-sectional view showing the seismic isolation system of the present invention.
FIG. 5 is a cross-sectional view showing a state in which energy of earthquakes acts on the seismic isolation system of the present invention to result in plastic deformation of the seismic isolation member.
DESCRIPTION OF THE REFERENCE SYMBOLS [0010] 1: SEISMIC ISOLATION APPARATUS
10, 1OA, 1OB, 1OC, 10D: SEISMIC ISOLATION MEMBER
20: FIRST COUPLING PLATE
30: SECOND COUPLING PLATE
A: UPPER SECTION AS: ESCAPE PORTION
B: LOWER SECTION
BS: ESCAPE PORTION
BEST MODE FOR CARRYING OUT THE INVENTION [0011] A description will be given of an embodiment of the seismic
isolation system for structures in the present invention by referring to FIG. 1 to FIG. 5.
A seismic isolation apparatus 1 given in FIG. 1 and FIG. 2 is provided with eight seismic isolation members 10, a first coupling plate 20 to which one end 11 of each of the seismic isolation members 10 is fixed and a second coupling plate 30 to which the other end 12 of each of the seismic isolation members 10 is fixed. [0012] As shown in FIG. 3, the seismic isolation member 10 is a narrow rod-shaped steel product and bent at its intermediate portion so as to give aU-shape, when viewed from the side. Bracket portions 13 and 14 greater in width than other portions are disposed respectively on two paired ends 11 and 12 of the seismic isolation member 10. The seismic isolation member 10 excluding the bracket portions 13 and 14 is formed so as to be gradually smaller in cross-sectional area as close to a circular arc portion at the center from the bracket portion 13. Similarly, the seismic isolation member 10 is formed so as to be gradually smaller in the cross-sectional area as close to the circular arc portion at the center from the bracket portion 14. Two through-holes 13a and 14a are each formed at the respective bracket portions 13 and 14. The seismic isolation member 10 is formed in the above described manner, because on the assumption that energy is incoming to the seismic isolation apparatus 1 from all directions, it is intended that an equal seismic isolation performance be
attained constantly even when the energy is incoming from some particular direction.
[0013] The first coupling plate 20 is a rectangular-shaped steel plate uniform in thickness, and one end 11 of each seismic isolation member 10 is fixed to the upper face via a bolt 40. A bolt hole
(not illustrated) into which the bolt 40 is screwed is formed on the upper face of the first coupling plate 20. A plurality of stud bolts 21 are installed upright on the lower face of the first coupling plate 20. [0014] The second coupling plate 30 is also a rectangular-shaped steel plate uniform in thickness, and the other end 12 of each seismic isolation member 10 is fixed to the lower face via a bolt 40. A bolt hole (not illustrated) into which the bolt 40 is screwed is formed on the lower face of the second coupling plate 30. A plurality of stud bolts 31 are installed upright on the upper face of the second coupling plate 30. [0015] Of eight seismic isolation members 10, two seismic isolation members 1OA are placed at equal intervals along a side 20a of the first coupling plate 20 and also oriented in a direction orthogonal to the side 20a, by which one end 11 is fixed to the upper face of the first coupling plate 20 via a bolt 40. Further, these two seismic isolation members 1OA are placed at equal intervals along a side 30a of the second coupling plate 30 and also oriented in a direction orthogonal to the side 30a, by which the other end 12 is fixed to the lower face of the second coupling
plate 30 via the bolt 40.
[0016] Of eight seismic isolation members 10, two other seismic isolation members 1OB different from the above two members are placed at equal intervals along a side 20b adjacent to the side 20a to which the seismic isolation members 1OA are fixed, and also oriented in a direction orthogonal to the side 20b, by which one end 11 is fixed to the upper face of the first coupling plate 20 via the bolt 40. Further, these two seismic isolation members 1OB are placed at equal intervals along a side 30b adjacent to the side 30a to which the seismic isolation members 1OA are fixed, and also oriented in a direction orthogonal to the side 30b, by which the other end 12 is fixed to the lower face of the second coupling plate 30 via the bolt 40. [0017] Of eight seismic isolation members 10, two other seismic isolation members 1OC different from the above two members are placed at equal intervals along a side 20c adjacent to the side 20b to which the seismic isolation members 1OB are fixed, and also oriented in a direction orthogonal to the side 20c, by which one end 11 is fixed to the upper face of the first coupling plate 20 via the bolt 40. Further, these two seismic isolation members 1OC are placed at equal intervals along a side 30c adjacent to the side 30b to which the seismic isolation members 1OB are fixed, and also oriented in a direction orthogonal to the side 30c, by which the other end 12 is fixed to the lower face of the second coupling plate 30 via the bolt 40.
[0018] Of eight seismic isolation members 10, the remaining two seismic isolation members 1OD are placed at equal intervals along a side 2Od adjacent to the side 20c to which the seismic isolation members 1OC are fixed, and also oriented in a direction orthogonal to the side 2Od, by which one end 11 is fixed to the upper face of the first coupling plate 20 via the bolt 40. Further, these two seismic isolation members 1OD are placed at equal intervals along a side 3Od adjacent to the side 30c to which the seismic isolation members 1OC are fixed, and also oriented in a direction orthogonal to the side 30d, by which the other end 12 is fixed to the lower face of the second coupling plate 30 via the bolt 40.
[0019] The two seismic isolation members 1OA and the other two seismic isolation members 1OC are fixed to the first coupling plate 20 and the second coupling plate 30. The seismic isolation members 1OA are arranged so that curved portions of the seismic isolation members 1OA are projected from between the first coupling plate 20 and the second coupling plate 30 in a direction
(that is, in a positive direction indicated by the two-headed arrow X in FIG.2) . The seismic isolation members 1OC are arranged so that curved portions of the seismic isolation members 1OC are projected from between the first coupling plate 20 and the second coupling plate 30 in a direction opposite to the direction of the seismic isolation members 1OA (that is, in a negative direction indicated by the two-headed arrow X in FIG. 2) .
Further, these two seismic isolation members 1OB and the other two seismic isolation members 1OD are also fixed to the first coupling plate 20 and the second coupling plate 30. The seismic isolation members 1OB are arranged so that curved portions of the seismic isolation members 1OB are projected from between the first coupling plate 20 and the second coupling plate 30 in a direction (that is, in a positive direction indicated by the two-headed arrow Y in FIG. 2) . The seismic isolation members 1OD are arranged so that curved portions of the seismic isolation members 1OD are projected from between the first coupling plate 20 and the second coupling plate 30 in a direction opposite to the direction of the seismic isolation members 1OB (that is, in a negative direction indicated by the two-headed arrow Y in FIG. 2) . The first coupling plate 20 and the second coupling plate 30 are placed so that all four sides are in alignment with each other when viewed from above.
[0020] The above-constituted seismic isolation apparatus 1 is disposed between an upper section A such as a building frame and a lower section B such as a foundation in structures, for example, buildings, bridges, elevated roads and elevated railways, according to the following steps.
In the above structures, first, the seismic isolation apparatus 1 is placed on the lower section B. As described above, the stud bolts 21 are installed upright on the lower face of
the first coupling plate 20 in the seismic isolation apparatus 1, and the seismic isolation apparatus 1 is fixed to the lower section B in such a manner that the stud bolts 21 are buried into the lower section B. Subsequently, the upper section A is placed on the seismic isolation apparatus 1. As described above, stud bolts 31 are installed upright on the upper face of the second coupling plate 30 in the seismic isolation apparatus 1, and the seismic isolation apparatus 1 is fixed to the upper section A in such a manner that the stud bolts 31 are buried into the upper section A.
In addition, the stud bolts 21 are coupled to reinforcing steel disposed inside the lower section B, by which the seismic isolation apparatus 1 is more strongly coupled to the lower section B. Similarly, the stud bolts 31 are coupled to the reinforcing steel disposed inside the upper section A, by which the seismic isolation apparatus 1 is more strongly coupled to the upper section A.
[0021] As shown in FIG. 4, the lower section B is provided with step portions at a part below the seismic isolation member 10. Each of the step portions constitutes an escape portion Bs which allows the seismic isolation member to plastically deform. The escape portion Bs is formed so as to be lower by one step than the upper face of the lower section B, that is, a part to which the first coupling plate 20 of the seismic isolation apparatus 1 is fixed, thereby providing a wide space between the circular
arc portion of the seismic isolation member 10 and itself.
The upper section A is provided with step portions at a part above the seismic isolation member 10. Each of the step portions constitutes an escape portion As which allows the seismic isolation member to plastically deform. The escape portion As is formed so as to be higher by one step than the lower face of the upper section A, that is, a part to which the second coupling plate 30 of the seismic isolation apparatus 1 is fixed, thereby providing a wide space between the circular arc portion of the seismic isolation member 10 and itself.
[0022] In the above-constituted seismic isolation system for structures, in a case where large amounts of energy such as earthquakes act on a structure including the upper section A and the lower section B and, as shown in FIG. 5, the upper section A gives vibrations to the lower section B in the X direction in the drawing, the seismic isolation member 10 undergoes plastic deformation so as to be displaced in a direction in which one end 11 is spaced away from the other end 12, thereby consuming the energy which is incoming to the upper section A. As a result, the vibrations of the upper section A are damped.
[0023] Further, in this instance, even if the curved portion of the seismic isolation member 10 which is formed in a circular arc shape is deformed so as to expand outward, the seismic isolation member 10 will not be brought into contact with the upper section A or the lower section B, due to the formation of the escape
portion As on the upper section A and the escape portion Bs on the lower section B. Therefore, the seismic isolation member 10 is not prevented from undergoing the plastic deformation or no local stress concentration occurs on the seismic isolation member 10. As a result, the above-described seismic isolation system is able to effectively absorb the energy of earthquakes. [0024 ] As a matter of course, any other building frame structures or members such as piping (not illustrated) are not disposed on the escape portions As, Bs. This is because these members, if disposed, would be brought into contact with the seismic isolation member 10 to prevent the plastic deformation. [0025] A description has been so far given of preferred embodiments of the present invention, to which the present invention shall not be, however, limited. The present invention may be subjected to addition, omission and replacement of the constitution and other modifications within a scope not departing from the gist of the present invention. The present invention shall not be limited by the above description but will be limited only by the scope of the attached claims. [0026] The seismic isolation system of the present invention may be placed not only between a foundation (a lower section) and a building frame (an upper section) in structures such as buildings, bridges, elevated roads and elevated railways but also placed between members which constitute the above structures. The seismic isolation system may be placed, for
example, between a floor slab constituting a building and a deck slab placed on the floor slab. In this example, the seismic isolation system absorbs the energy acting on the deck slab, instead of the energy acting on the building frame of the structure. Similarly, it may also be placed between a bridge pier constituting a bridge and a bridge girder placed on the bridge pier.
INDUSTRIAL APPLICABILITY [0027] The present invention relates to a seismic isolation system for structures which is provided with a seismic isolation apparatus, an upper section of a structure and a lower section of the structure supporting the upper section by way of the seismic isolation apparatus. The seismic isolation apparatus is provided with a plurality of U-shaped seismic isolation members, a first coupling plate to which one end of the seismic isolation member is fixed and a second coupling plate to which the other end of the seismic isolation member is fixed. An escape portion which allows the seismic isolation member to plastically deform is formed at least on one of the upper section and the lower section.
According to the present invention, since the seismic isolation member is not prevented from undergoing the plastic deformation, it is possible to effectively absorb the energy of earthquakes.
Claims
[1] A seismic isolation system for structures comprising: a seismic isolation apparatus having a plurality of U-shaped seismic isolation members, a first coupling plate to which one end of the seismic isolation member is fixed and a second coupling plate to which the other end of the seismic isolation member is fixed; an upper section of a structure; and a lower section of the structure supporting the upper section via the seismic isolation apparatus, wherein an escape portion which allows the seismic isolation member to plastically deform is formed at least on one of the upper section and the lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010513564A JP2011501050A (en) | 2007-10-26 | 2008-10-22 | Seismic isolation structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-279149 | 2007-10-26 | ||
| JP2007279149 | 2007-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009054533A1 true WO2009054533A1 (en) | 2009-04-30 |
Family
ID=40579634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2008/069581 WO2009054533A1 (en) | 2007-10-26 | 2008-10-22 | Seismic isolation system for structures |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2011501050A (en) |
| TW (1) | TW200925362A (en) |
| WO (1) | WO2009054533A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967160A (en) * | 2014-05-07 | 2014-08-06 | 清华大学 | Oversized deformation energy consuming support |
| CN105156537A (en) * | 2015-09-11 | 2015-12-16 | 松冷（武汉）科技有限公司 | Metallic spherical shock absorber |
| CN105696454A (en) * | 2015-12-16 | 2016-06-22 | 北京工业大学 | Novel lead core steel pipe U-shaped damper |
| WO2018208307A1 (en) * | 2017-05-11 | 2018-11-15 | Portland State University | Energy dissipators with rotated members |
| CN108952281A (en) * | 2017-05-27 | 2018-12-07 | 南京理工大学 | A kind of U-shaped two stages surrender metal damper |
| FR3078556A1 (en) * | 2018-03-02 | 2019-09-06 | Blue Cube Ip Llc | SEISMIC ISOLATION SYSTEM BASED |
| CN110206178A (en) * | 2018-02-28 | 2019-09-06 | 香港理工大学 | Self-resetting energy dissipation brace device |
| CN110541594A (en) * | 2019-08-09 | 2019-12-06 | 西安理工大学 | multi-target overhead protection system |
| CN110863578A (en) * | 2019-11-22 | 2020-03-06 | 山东彤创建筑科技有限公司 | Novel U-shaped steel plate energy consumption support |
| WO2020132757A1 (en) * | 2018-12-27 | 2020-07-02 | Pontificia Universidad Catolica De Chile | Energy dissipation device made up of oval-shaped metal dissipators |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1832281A1 (en) | 2006-03-10 | 2007-09-12 | Abbott GmbH & Co. KG | Process for producing a solid dispersion of an active ingredient |
| CN107269089B (en) * | 2017-08-25 | 2019-10-11 | 上海应用技术大学 | A kind of novel armpit support metal energy-consuming device of bean column node |
| CN109854672B (en) * | 2019-01-17 | 2020-01-07 | 上海大学 | Low frequency isolator of two diaphragm spring |
| CN113503332B (en) * | 2021-06-22 | 2023-03-17 | 上海卫星工程研究所 | Quasi-zero stiffness vibration isolator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003206987A (en) * | 2002-01-16 | 2003-07-25 | Sumitomo Metal Mining Co Ltd | Damper for base-isolation |
| JP2004011273A (en) * | 2002-06-07 | 2004-01-15 | Sumitomo Metal Mining Co Ltd | Base-isolation damper |
| JP2004278205A (en) * | 2003-03-18 | 2004-10-07 | Tomoe Corp | Base isolating damper |
-
2008
- 2008-10-22 JP JP2010513564A patent/JP2011501050A/en active Pending
- 2008-10-22 WO PCT/JP2008/069581 patent/WO2009054533A1/en active Application Filing
- 2008-10-23 TW TW097140647A patent/TW200925362A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003206987A (en) * | 2002-01-16 | 2003-07-25 | Sumitomo Metal Mining Co Ltd | Damper for base-isolation |
| JP2004011273A (en) * | 2002-06-07 | 2004-01-15 | Sumitomo Metal Mining Co Ltd | Base-isolation damper |
| JP2004278205A (en) * | 2003-03-18 | 2004-10-07 | Tomoe Corp | Base isolating damper |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967160A (en) * | 2014-05-07 | 2014-08-06 | 清华大学 | Oversized deformation energy consuming support |
| CN105156537A (en) * | 2015-09-11 | 2015-12-16 | 松冷（武汉）科技有限公司 | Metallic spherical shock absorber |
| CN105696454A (en) * | 2015-12-16 | 2016-06-22 | 北京工业大学 | Novel lead core steel pipe U-shaped damper |
| WO2018208307A1 (en) * | 2017-05-11 | 2018-11-15 | Portland State University | Energy dissipators with rotated members |
| CN108952281A (en) * | 2017-05-27 | 2018-12-07 | 南京理工大学 | A kind of U-shaped two stages surrender metal damper |
| CN110206178A (en) * | 2018-02-28 | 2019-09-06 | 香港理工大学 | Self-resetting energy dissipation brace device |
| FR3078556A1 (en) * | 2018-03-02 | 2019-09-06 | Blue Cube Ip Llc | SEISMIC ISOLATION SYSTEM BASED |
| WO2020132757A1 (en) * | 2018-12-27 | 2020-07-02 | Pontificia Universidad Catolica De Chile | Energy dissipation device made up of oval-shaped metal dissipators |
| CN110541594A (en) * | 2019-08-09 | 2019-12-06 | 西安理工大学 | multi-target overhead protection system |
| CN110541594B (en) * | 2019-08-09 | 2021-01-15 | 西安理工大学 | Multi-target overhead protection system |
| CN110863578A (en) * | 2019-11-22 | 2020-03-06 | 山东彤创建筑科技有限公司 | Novel U-shaped steel plate energy consumption support |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011501050A (en) | 2011-01-06 |
| TW200925362A (en) | 2009-06-16 |
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