KR20170088581A - Apparatus for testing performance of seismic isolation bearing - Google Patents
Apparatus for testing performance of seismic isolation bearing Download PDFInfo
- Publication number
- KR20170088581A KR20170088581A KR1020160008635A KR20160008635A KR20170088581A KR 20170088581 A KR20170088581 A KR 20170088581A KR 1020160008635 A KR1020160008635 A KR 1020160008635A KR 20160008635 A KR20160008635 A KR 20160008635A KR 20170088581 A KR20170088581 A KR 20170088581A
- Authority
- KR
- South Korea
- Prior art keywords
- horizontal
- horizontal connection
- elastic body
- seismic isolation
- disposed
- Prior art date
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000002955 isolation Methods 0.000 title claims description 58
- 238000006073 displacement reaction Methods 0.000 claims abstract description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 39
- 229920001971 elastomer Polymers 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 238000011056 performance test Methods 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
- G01M1/22—Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
- G01M1/24—Performing balancing on elastic shafts, e.g. for crankshafts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a test apparatus, and more particularly, to an apparatus capable of testing the performance of an earthquake-isolator.
Large structures such as bridges are installed with bridge supports to smoothly receive relative movement between the upper and lower structures. In order to evaluate the performance of such bridge supports, a performance test is performed using a performance tester that applies a horizontal load or a horizontal displacement under a vertical load.
1 is a cross-sectional view of an apparatus for testing the performance of a seismic isolation support according to the prior art. 2 is a cross-sectional view showing a seismic isolation basin and a vertical displacement receiving unit in which a vertical displacement occurs due to the action of a horizontal force in an apparatus for testing the performance of a seismic isolation baser according to the prior art. Referring to Figure 1, a prior art performance testing apparatus includes a frame including a
A horizontal force is applied to the
However, in the process of generating the vertical displacement, as shown in FIG. 2, due to the action of the horizontal force, the
When tilting of the
SUMMARY OF THE INVENTION It is an object of the present invention to provide a performance testing apparatus capable of preventing the tilting of an earthquake-isolating support during a performance test of an earthquake-isolating support.
An apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention includes a lower plate, an upper plate spaced apart from the lower plate in the vertical direction, and a shear deformation permitting member disposed between the lower plate and the upper plate. This is to test the performance of the pedestal. The performance testing apparatus includes a vertical actuator disposed below the seismic isolation pedestal for applying a vertical load to the seismic isolation pedestal, a horizontal actuator for applying a horizontal force to the bottom plate of the seismic isolation pedestal, And a vertical displacement accommodating portion disposed between the upper support portion and the seismic isolation pedestal for receiving a vertical displacement of the seismic isolation pedestal. The vertical displacement receiving portion includes a first horizontal connecting portion, a second horizontal connecting portion that is vertically spaced from the first horizontal connecting portion, and at least two elastic guide pieces disposed between the first horizontal connecting portion and the second horizontal connecting portion . Wherein the elastic guide includes an elastic body disposed between the first horizontal connecting portion and the second horizontal connecting portion and capable of being compressed by a vertical load applied to the elastic connecting member and the elastic body and having one end fixed to the first horizontal connecting portion, And a guide rod inserted into the second horizontal connection portion.
According to one embodiment, the second horizontal connection portion defines a guide hole into which the other end of the guide rod is inserted, and includes a slip member which is in close contact with a side surface of the other end of the guide rod.
According to one embodiment, the slip member comprises a fluorine-based resin, high-density polyethylene or brass.
According to one embodiment, the elastic body includes polyurethane or rubber, and has a cylindrical or polygonal columnar shape.
According to one embodiment, the elastic body includes a coil-shaped spring.
According to one embodiment, the elastic body includes a dish-shaped spring.
According to one embodiment, the second horizontal connection portion includes a second side guide portion extending from the edge toward the first horizontal connection portion. The first horizontal connection portion includes a first side guide portion extending from an edge toward the second horizontal connection portion and facing the side surface of the second side guide portion, and a second side guide portion coupled to the first side guide portion, As shown in Fig.
According to one embodiment, the slip guide includes a ball bearing, a fluororesin plate or a high density polyethylene plate.
According to the present invention, it is possible not only to accommodate the vertical displacement occurring in the performance test of the seismic isolation bases, but also to improve the stability and reliability of the test by preventing the tilting of the seismic isolation bases.
1 is a cross-sectional view of an apparatus for testing the performance of a seismic isolation support according to the prior art.
FIG. 2 is a sectional view showing a seismic isolation basin and a vertical displacement accommodating unit in which a vertical displacement occurs due to the action of a horizontal force in an apparatus for testing the performance of a seismic isolation baser according to the prior art.
FIG. 3A is a side view showing an apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention.
3B is a plan view showing an apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention.
3C is a side view showing a frame and a vertical actuator of an apparatus for testing the performance of an earthquake-proof separator according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view illustrating a seismic isolation pedestal in which shear deformation has occurred using an apparatus for testing the performance of an earthquake-isolating support according to an embodiment of the present invention.
FIGS. 5A, 5B, 5C, 5D, 5E and 5F are enlarged sectional views of a vertical displacement receiving portion of an apparatus for testing the performance of an earthquake-resistant separator according to embodiments of the present invention.
Hereinafter, an apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention in order to clarify the present invention.
The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.
The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
FIG. 3A is a side view showing an apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention. 3B is a plan view showing an apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention. 3C is a side view showing a frame and a vertical actuator of an apparatus for testing the performance of an earthquake-proof separator according to an embodiment of the present invention.
3A to 3C, an earthquake-isolating
The
The
The
In one embodiment, the transfer jig 24 may rest on the
A vertical load is applied to the horizontal
A vertical load is applied to the seismic isolation pedestal arranged above the
A vertical
FIG. 4 is a cross-sectional view illustrating a seismic isolation pedestal in which shear deformation has occurred using an apparatus for testing the performance of an earthquake-isolating support according to an embodiment of the present invention.
Referring to FIG. 4, a horizontal
A
The horizontal
In the present invention, the seismic isolation bases to be tested are not limited to the conventional seismic isolation bases. For example, the seismic isolation base may include a lower plate, an upper plate disposed on the lower plate, spaced apart from the lower plate, and a shear deformation allowing member disposed between the lower plate and the upper plate. The shear deformation allowing member may include a rubber elastic body, a rubber elastic body including a reinforcing plate, a rubber elastic body including lead (or tin), and a slip block.
In one embodiment, the seismic isolation pedestal 300 may be a pendulum type seismic isolation pedestal. For example, the seismic isolation pedestal 300 includes a
A horizontal force is exerted on the
Between the slip block 320 and the
The horizontal
When the
Vertical displacement of the seismic isolation pedestal 300 may occur as the slip block 320 rotates and the relative horizontal position relative to the
The
FIG. 5A is an enlarged cross-sectional view of a vertical displacement receiving portion of an apparatus for testing the performance of an earthquake-resistant separator according to an embodiment of the present invention.
5A, the vertical
The first
The
The second
A
According to this embodiment, the
5B, 5C, 5D, 5E and 5F are enlarged sectional views of a vertical displacement accommodating portion of an apparatus for testing the performance of an earthquake-resistant separator according to another embodiment of the present invention.
5B, the vertical displacement receiving portion includes a first horizontal connecting
A
The first
5C, the vertical displacement receiving portion includes a first horizontal connecting
The second
In the present embodiment, the first
5D, the vertical displacement receiving portion includes a first horizontal connecting
The second
In this embodiment, the first
5e, the vertical displacement accommodating portion includes a first horizontal connecting
In the present embodiment, the first
The first
The second
The first
5f, the vertical displacement receiving portion includes a first horizontal connecting
The second
The
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims. It can be understood that it is possible.
The present invention can be used for a performance test of an earthquake isolator.
Claims (8)
A vertical actuator disposed under the seismic isolation pedestal for applying a vertical load to the seismic isolation pedestal;
A horizontal actuator for applying a horizontal force to the lower plate of the seismic isolation pedestal;
An upper support disposed above the seismic isolation support; And
A vertical displacement receiver disposed between the upper support and the seismic isolation pedestal for receiving a vertical displacement of the seismic isolation pedestal,
The vertical displacement accommodating portion includes:
A first horizontal connecting portion;
A second horizontal connection part vertically spaced from the first horizontal connection part; And
And at least two elastic guides disposed between the first horizontal connection portion and the second horizontal connection portion,
Wherein the elastic guide includes an elastic body disposed between the first horizontal connecting portion and the second horizontal connecting portion and capable of being compressed by a vertical load applied to the elastic connecting member and the elastic body and having one end fixed to the first horizontal connecting portion, And a guide rod inserted into the second horizontal connection portion.
The first horizontal connection portion includes a first side guide portion extending from an edge toward the second horizontal connection portion and facing the side surface of the second side guide portion, and a second side guide portion coupled to the first side guide portion, And a slip guide portion contacting the slip guide portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020160008635A KR101835811B1 (en) | 2016-01-25 | 2016-01-25 | Apparatus for testing performance of seismic isolation bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160008635A KR101835811B1 (en) | 2016-01-25 | 2016-01-25 | Apparatus for testing performance of seismic isolation bearing |
Publications (2)
Publication Number | Publication Date |
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KR20170088581A true KR20170088581A (en) | 2017-08-02 |
KR101835811B1 KR101835811B1 (en) | 2018-03-08 |
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KR1020160008635A KR101835811B1 (en) | 2016-01-25 | 2016-01-25 | Apparatus for testing performance of seismic isolation bearing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114254463A (en) * | 2021-12-31 | 2022-03-29 | 洛阳双瑞特种装备有限公司武汉分公司 | Method for evaluating performance of friction pendulum type shock insulation support for bridge and building |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102259731B1 (en) | 2019-08-28 | 2021-06-02 | (주)제이.케이.에스 | Apparatus for testing seismic isolation devices |
KR102259736B1 (en) | 2019-08-28 | 2021-06-02 | (주)제이.케이.에스 | Apparatus for testing seismic isolation devices with specimen protection function |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR200470367Y1 (en) * | 2013-08-14 | 2013-12-11 | 삼영엠텍(주) | Performance Test Machine with allowing vertical displacement during the static test |
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2016
- 2016-01-25 KR KR1020160008635A patent/KR101835811B1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114254463A (en) * | 2021-12-31 | 2022-03-29 | 洛阳双瑞特种装备有限公司武汉分公司 | Method for evaluating performance of friction pendulum type shock insulation support for bridge and building |
CN114254463B (en) * | 2021-12-31 | 2024-05-14 | 中船双瑞(洛阳)特种装备股份有限公司 | Method for evaluating performances of friction pendulum type shock insulation support for bridge and building |
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Publication number | Publication date |
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KR101835811B1 (en) | 2018-03-08 |
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