CN107121251A - Seismic simulation testing device and method based on electrohydraulic servo system - Google Patents

Seismic simulation testing device and method based on electrohydraulic servo system Download PDF

Info

Publication number
CN107121251A
CN107121251A CN201710409567.8A CN201710409567A CN107121251A CN 107121251 A CN107121251 A CN 107121251A CN 201710409567 A CN201710409567 A CN 201710409567A CN 107121251 A CN107121251 A CN 107121251A
Authority
CN
China
Prior art keywords
level table
bearing
vibrator
cover plate
electrohydraulic servo
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
Application number
CN201710409567.8A
Other languages
Chinese (zh)
Other versions
CN107121251B (en
Inventor
江学良
杨慧
牛家永
王飞飞
余涛涛
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.)
Central South University of Forestry and Technology
Original Assignee
Central South University of Forestry and Technology
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 Central South University of Forestry and Technology filed Critical Central South University of Forestry and Technology
Priority to CN201710409567.8A priority Critical patent/CN107121251B/en
Publication of CN107121251A publication Critical patent/CN107121251A/en
Application granted granted Critical
Publication of CN107121251B publication Critical patent/CN107121251B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a kind of seismic simulation testing device based on electrohydraulic servo system, it includes shake table basis, shear wall, bearing guide rail support system, vibrator, driving member, level table and model casing, bearing guide rail support system includes some bearing elements, each bearing element includes being provided with roller bearing in bottom plate, positioning framework and the cover plate being sequentially arranged from the bottom up, positioning framework;Bearing guide rail support system is connected on the basis of shake table by bottom plate, and level table is connected on cover plate, and model casing is placed on level table, and vibrator is installed on shear wall, and driving member is connected between vibrator and level table;The power that vibrator is produced be transferred to level table it is backward under pass sequentially through cover plate, roller bearing and bottom plate and be transferred on the basis of shake table, model casing is passed up to, by control system collection analysis data to realize the simulation of earthquake.Easy installation and removal, low manufacture cost, good integrity is supported there is provided uniform multi-region, reduces stress concentration.

Description

Seismic simulation testing device and method based on electrohydraulic servo system
Technical field
The present invention relates to a kind of structural model test device and method, more particularly to a kind of ground based on electrohydraulic servo system Shake simulation test device and method.
Background technology
Earthquake simulation shaking table can not only produce various frequencies, the rule vibrations of amplitude, and can well again Existing seismic wave, therefore it is the visual plant of earthquake research.The shake table construction of China is arrived since 1960s There are nearly 50 shaking table systems so far, wherein most is from external import.But shake table construction is complicated, collection essence Close machining, electro-hydraulic servo control technology and computer technology are expensive in one, general institution of higher education and scientific research institutions It is difficult to build.
At present, the domestic experiment to the earthquake simulation shaking table based on electro-hydraulic servo is less, experimental rig and method only pin Particular model is designed, practicality and popularization be not strong.The electro-hydraulic servo earthquake simulation shaking table of domestic independent research integrates system System is generally made up of earthquake simulation shaking table basis, level table, vibrator attachment means and supporting and travelling mechanism.Its basis And level table is reinforced concrete structure, steel welding structure, aluminium alloy or casting magnesium aluminum alloy structure, these materials not only from Great, cost of manufacture is high, and transporting and hoisting is difficult, and takes test site, and influence electrohydraulic servo system should Other subjects With.Then structure is complex for its supporting and travelling mechanism, essentially straight type spherical guide, and this type guide rail makes processing will Ask high, the flatness, glacing flatness and coefficient of friction to guide rail require high, and later maintenance is expensive, is not suitable for and electro-hydraulic servo system System is supported the use.
The content of the invention
It is an object of the invention to provide a kind of test method is simple, performance stable, easy installation and removal is fabricated to This relatively low seismic simulation testing device and method based on electrohydraulic servo system.
This seismic simulation testing device based on electrohydraulic servo system that the present invention is provided, it include shake table basis, Shear wall, bearing guide rail support system, vibrator, driving member, level table and model casing, if bearing guide rail support system includes Dry bearing element, each bearing element is included in bottom plate, positioning framework and the cover plate being sequentially arranged from the bottom up, positioning framework Provided with roller bearing;Bearing guide rail support system is connected on the basis of shake table by bottom plate, and level table is connected on cover plate, model Case is placed on level table, and vibrator is installed on shear wall, and driving member is connected between vibrator and level table;Start and swash Shake device, the power that vibrator is produced by driving member be transferred to level table it is backward under pass sequentially through cover plate, roller bearing and bottom plate and transmit To shake table, it is passed up at model casing, and by control system collection analysis data to realize the simulation of earthquake.
The bottom plate is character cut in bas-relief template;The cover plate is inverted U-shaped plate, and the bottom face of its two side extends internally, and is covered The bottom surface corner of plate is with being provided with semi-circular recesses at the interior joint face of side wall inwall, the bottom surface of cover plate is the low outer high step surfaces of Inner Engage for the end face with the roller;The positioning framework has multiple, is arranged in parallel between bottom plate and cover plate, each posting The side wall upper limb of frame is outer to be extended at cantilever, the upper outer rim of cantilever provided with diameter matches in the deep-slotted chip breaker of the arc surface;Roller bearing It is installed on by bearing between adjacent two positioning framework.
The bearing guide rail support system also includes the steel ball being arranged between the deep-slotted chip breaker and the semi-circular recesses.
The level table, cover plate and model casing are equipped with screwed hole, level table and cover plate, level table and model casing It is connected respectively by bolt.
Shake table basis is that the foundation bolt for being connected with the bottom plate is provided with the basis of floor, shake table.
The driving member includes vibrator connecting plate and exciting cross bar, and exciting cross bar one end is connected with vibrator, the other end It is connected with vibrator connecting plate, the opposite side of vibrator connecting plate is connected with the level table.
The median plane of the vibrator is with level table in sustained height plane.
The control system be Full Digitized Servo Control System, including controller, the first displacement transducer, second displacement pass Sensor, dynamic data acquiring instrument, computer and speed feedback device, the first displacement transducer are used for the position for detecting the exciting cross bar Move, second displacement sensor is arranged on model casing and connects the data wire of second displacement sensor and dynamic data acquiring instrument Connect, the connection of dynamic data acquiring instrument be connected with computer, speed feedback device be arranged at first sensor and controller it Between to increase the damping of system.
The present apparatus also includes the high-speed motion picture camera to record dynamic failure process.
Present invention also offers a kind of earthquake simulation test method based on electrohydraulic servo system, this method is using above-mentioned Device carries out earthquake simulation test, comprises the following steps:
(1)The quantity of bearing guide rail support system is determined according to the weight of test model, it is minimum for 5, up to 9, then The assembling of each part is integrated;
(2)Fundamental analysis is carried out to system, corresponding rectification building-out technology is implemented to system on the basis of analysis, to be expired The dynamic quality of meaning, by the exciting cross beam displacement that the first displacement transducer is detected be converted into electric signal feed back to controller and and Input signal is compared, to correct output valve;
(3)According to required direction of excitation, model casing is adjusted to transversely or longitudinally and hung on shake table with crane, spiral shell is used Bolt is fixed on level table;
(4)Add a speed feedback device, to increase the damping of system, realize the speed in frequency characteristic of system 0.001~ It is flat in the range of 30Hz, so as to reach the purpose of reduction waveform distortion;
(5)High-speed motion picture camera is laid before test model, dynamic failure process is recorded;
(6)Second displacement sensor is arranged on model, and by the data wire and Dynamic Data Acquiring of second displacement sensor Instrument is connected, and the connection of dynamic data acquiring instrument is connected with computer;
(7)The seismic wave for inputting different acceleration magnitudes carries out experimental test.
Bearing guide rail support system is connected on the basis of shake table by the present invention by bottom plate, and level table is connected to cover plate On, model casing is placed on level table, and vibrator is installed on shear wall, driving member be connected to vibrator and level table it Between;Start vibrator, vibrator produce power by driving member be transferred to level table it is backward under pass sequentially through cover plate, roller bearing and Bottom plate is transferred on the basis of shake table, is passed up at model casing, you can the simulation of earthquake is realized, with installing/dismounting side Just, the relatively low advantage of cost of manufacture.General institution of higher education and scientific research institutions only need to buy a set of electrohydraulic servo system Carry out shaketalle test and other geotechnical model casees are tested, multidisciplinary experiment can be carried out using existing equipment with maximized.And And bearing guide rail support system does not produce tilting moment to level table during reusing, due to being run using the supporting of bearing Pattern, makes the globality of whole system fine, and bearing guide rail support system is reduced additional there is provided the supporting of uniform multi-region Stress concentration, and horizontal displacement ability and maximum model weight all significantly improve.More valuable is:Such as need further increasing Level table displacement capacity and vertical bearing capacity, need to only increase in bearing guide rail support system the length of bearing and set up bearing Quantity can complete the device upgrade of earthquake simulation shaking table overall performance.
Brief description of the drawings
Fig. 1 is the use state schematic diagram of a preferred embodiment of the invention.
Fig. 2 is Fig. 1 schematic top plan view.(Control system and high-speed motion picture camera are not drawn into).
Fig. 3 is the main view enlarged diagram of a bearing element in bearing guide rail support system in Fig. 1.
Fig. 4 is Fig. 3 schematic top plan view.(Upper lid is not drawn into).
Fig. 5 is Fig. 3 schematic side view.
Fig. 6 is the FB(flow block) of the present embodiment.
Illustrate sequence number:
1-shake table basis, 2-shear wall, 3-bearing element, 4-vibrator, 5-driving member, 6-level table, 7-mould Molding box, 8-control system, 9-high-speed motion picture camera, 31-bottom plate, 32-positioning framework, 33-cover plate, 34-roller bearing, 35-steel Pearl, 51-vibrator connecting plate, 52-exciting cross bar, 81-controller, the 82-the first displacement transducer, 83-second displacement Sensor, 84-dynamic data acquiring instrument, 85-computer, 86-speed feedback device.
Embodiment
As shown in Figure 1 and Figure 2, this seismic simulation testing device based on electrohydraulic servo system that the present embodiment is provided, it Including shake table basis 1, shear wall 2, the bearing guide rail support system, vibrator 4, the biography that there are multiple five bearing elements 3 to constitute Moving part 5, level table 6, model casing 7, control system 8 and high-speed motion picture camera 9.Driving member 5 includes vibrator connecting plate 51 and swashed Shake cross bar 52, and vibrator cross bar one end is connected with vibrator, the other end is connected with exciting connecting plate, the other end of exciting connecting plate It is connected with the level table, exciting cross bar is located in sustained height plane with level table 6.
As shown in Fig. 3-5, bearing guide rail support system includes five bearing elements 3, and each bearing element includes under Roller bearing 34 is provided with bottom plate 31, positioning framework 32 and the cover plate 33 being up sequentially arranged, positioning framework, bottom plate 31 is concave character type Plate;Level table, cover plate and model casing are equipped with screwed hole, and level table passes through respectively with cover plate, level table and model casing Bolt is connected, in order to dismount, and cover plate 33 is inverted U-shaped plate, and the bottom face of its two side extends internally, the bottom surface four of cover plate Be provided with semi-circular recesses at the interior joint face of angle and side wall inwall, the bottom surface of cover plate for the low outer high step surfaces of Inner be used for it is described The end face engaging of roller;The positioning framework has multiple, is arranged in parallel between bottom plate and cover plate, on the side wall of each positioning framework Edge is outer to be extended at cantilever, the upper outer rim of cantilever provided with diameter matches in the deep-slotted chip breaker of the arc surface;Roller bearing is pacified by bearing Loaded between adjacent two positioning framework, and steel ball 35 is provided with order to the cunning of cover plate between deep-slotted chip breaker and semi-circular recesses Dynamic, reduction friction prevents cover plate from misplacing.
As shown in figure 1, control system 8 is Full Digitized Servo Control System, including controller 81, the first displacement transducer 82nd, second displacement sensor 83, dynamic data acquiring instrument 84, computer 85 and speed feedback device 86, the first displacement transducer are used In the displacement for detecting the exciting cross bar, second displacement sensor is arranged on model casing and and by the number of second displacement sensor It is connected according to line with dynamic data acquiring instrument, the connection of dynamic data acquiring instrument is connected with computer, speed feedback device is set To increase the damping of system between the first displacement transducer and controller.
Entered exemplified by testing and the floor and the counterforce device that have for pseudo-static experimental and pseudo are completed in hall One step illustrates, by basis from the whole big quality floors for laboratory, the quality on integral laboratory floor can so participated in Vibration, so that the vibration on basis is reduced, while having saved the construction cost on basis.Existing foundation bolt on laboratory floor Hole position diameter 50mm, hole centre-to-centre spacing 0.5m.
And be five bearing elements by bearing guide rail support system design, each bearing element displacement is 800mm, five Bearing element arrangement is surrounding respectively arrangement one, intermediate arrangement one, and each bearing element is by bottom plate, positioning framework, rolling Axle, bearing, cover plate and steel ball composition.Base plate size is designed as 1.2m × 1.2m, corner perforate, for being connected with basis;Bottom Three positioning frameworks are installed on plate, respectively in the middle part of two side and bottom plate, 32 bearing holes are symmetrically arranged with positioning framework, For installing bearing.Two side positioning framework upper limb stretches out cantilever part lower edge semicircular in shape groove to overhanging place;Roller bearing is divided to two Row is symmetrically arranged at corresponding bearing, and roller bearing is made of common hot rolled circular steel, and its intensity is about ten times of concrete, and is plane Many roll-types, therefore roller bearing intensity can meet requirement completely.Roller bearing diameter is more than mm of frame height 20 or so, and beneficial to rolling, By many roll-type arrangements of plane, roller bearing spacing is smaller, and roller bearing is more, on the basis of more upper load being delivered to can well, and rolling Axle edge clear distance is no less than 10 mm, and roller length is sent out no more than 300 millimeters with preventing oblique movement or buckling phenomenon It is raw.Simultaneously in order to ensure that bearing roller bearing goes slick, butter is filled into the space between roller bearing and framework in advance when mounted, so Both the effect of lubricious roller bearing had been served, whole mechanical component is protected again, prevents corrosion phenomena;Cover plate is positioned on roller bearing Side, two ends of cover plate extension downwards, the inside semicircular in shape groove in extended end bottom for laying steel ball, and limits the side of cover plate To displacement.Cover plate is combined with both sides positioning framework by steel ball, is slided beneficial to cover plate, and reduces friction, prevents cover plate from misplacing.
And level table is set to steel welding structure, level table is formed by two pieces of 2m × 4m steel plate splicings, steel plate thickness 16mm.In steel plate surrounding and centre position perforate, the bolt hole position of lower section bearing element is corresponded to respectively, is used for and bearing element It is connected, forms overall.Transverse direction and longitudinal direction in the middle of level table respectively opens up 6 bolts hole, for installing mould in level table Molding box.
Vibrator is the sensible Electro Hydraulic Servo Structural system 1000KN servo starts of the rich power in the existing Beijing in experiment hall Device(Double rods, double acting), vibrator connecting plate, exciting cross bar are connected with thereon.Vibrator is arranged on what laboratory had had On shear wall.Maximum presses to load and pulls to load 1000KN, total kilometres 500mm, structure type:Two ends are MTS structures ten thousand To spherical hinge structure (gap zero passage is gone in tension and compression), maximum quiet, dynamic test force:1000kN is pressed to, 1000kN, full scale mark is pulled to It is fixed, stated accuracy ± 0.5%, three stage servovalve flow:340L/min, actuator peak swing:±(0~250 mm), precision 2% Rise to full scale ± 0.5%FS.
Control system is Full Digitized Servo Control System with control method, by controller, the first displacement transducer, second Displacement sensor, dynamic data acquiring instrument, computer, speed feedback device composition.Shake table is joined using displacement, speed and acceleration three Number Close loop servo control mode.All control passages of system(Load, displacement), can using 32 totally digitilized waveform generators Produce triangular wave, sine wave, oblique wave, square wave, the waveform such as composite wave and random wave.Multiple independent experiment tasks can be carried out simultaneously and It does not interfere with each other.Possess dynamic/quiet method of marking time, end value compensation, phase compensation, peak valley and refer to compensation, adaptive anti-phase control compensation.Platform Configuration meets grade B servo valve or three stage servovalve driving, possesses data acquisition channel expansion capacity.The port number of control system For 6, closed-loop control speed is 6KHz.
High-speed motion picture camera is AOS companies of Switzerland(AOS Technologies AG)Release a new generation's TRI-VIT high-speed industrials Digital camera.The highest resolution of this camera is 1280 × 1024, the frame per second under this resolution ratio up to 1000 frames/ Second.Such high-speed industrial video camera employs ALL-IN-ONE integrated design, by IMAQ, camera control and high speed Video data recording storage has all been integrated into compact compact video camera fuselage, it is adaptable to both needed mega pixel high-resolution Rate, needs the various imaging applications occasions of 1000 frames/second high frame per second again.Highest resolution is 1280 × 1024, in this resolution ratio Under frame per second up to 1000 frames/second, built-in rechargeable battery, built-in 8G very large memories, with gigabit network interface.
The present embodiment additionally provides a kind of earthquake simulation test method based on electrohydraulic servo system, and this method is using above-mentioned Device carries out earthquake simulation test, comprises the following steps:
1st, the quantity of bearing guide rail support system is determined according to the weight of test model, it is minimum for 5, up to 9, according to upper State requirement assembling experimental rig;
2nd, fundamental analysis is carried out to system, corresponding rectification building-out technology is implemented to system on the basis of analysis, to be expired The dynamic quality of meaning.The exciting cross beam displacement that first displacement transducer is detected be converted into electric signal feed back to controller and and Input signal is compared, to correct output valve;
3rd, according to required direction of excitation, model casing is adjusted to transversely or longitudinally and hung on shake table with crane, spiral shell is used Bolt is fixed on level table;
4th, a speed feedback device is added in servo-control system 5, to increase the damping of system, the speed frequency of system is realized Rate characteristic is flat in the range of 0.001~30Hz, so as to reach the purpose of reduction waveform distortion;
5th, high-speed motion picture camera is laid before test model, dynamic failure process is recorded, it can also be used to structural test and the testing of materials;
6th, second displacement sensor is arranged on model, and by the data wire and dynamic data acquiring instrument of second displacement sensor Connection, the connection of dynamic data acquiring instrument is connected with computer;
7th, the seismic wave for inputting different acceleration magnitudes carries out experimental test.
In summary, bearing guide rail support system is connected on the basis of shake table by the present invention by bottom plate, level table It is connected on cover plate, model casing is placed on level table, vibrator is installed on shear wall, driving member is connected to vibrator and water Between flat surface;Start vibrator, vibrator produce power by driving member be transferred to level table it is backward under pass sequentially through lid Plate, roller bearing and bottom plate are transferred on the basis of shake table, are passed up at model casing, you can the simulation of earthquake is realized, with peace Fill convenient disassembly, the relatively low advantage of cost of manufacture.General institution of higher education and scientific research institutions only need to buy a set of electro-hydraulic servo System can carry out shaketalle test and other geotechnical model casees are tested, can be with maximized multidisciplinary using existing equipment progress Experiment.And bearing guide rail support system does not produce tilting moment to level table during reusing, due to using bearing Operational mode is supported, makes the globality of whole system fine, bearing guide rail support system is reduced there is provided the supporting of uniform multi-region Additional stress concentration, and horizontal displacement ability and maximum model weight all significantly improve.More valuable is:As that need to enter One step increases level table displacement capacity and vertical bearing capacity, need to only increase in bearing guide rail support system the length of bearing and The device upgrade of earthquake simulation shaking table overall performance can be completed by setting up bearing quantity.

Claims (10)

1. a kind of seismic simulation testing device based on electrohydraulic servo system, it is characterised in that:It includes shake table basis, shearing Wall, bearing guide rail support system, vibrator, driving member, level table and model casing, if bearing guide rail support system includes the Heavenly Stems and Earthly Branches Seat unit, each bearing element includes being provided with bottom plate, positioning framework and the cover plate being sequentially arranged from the bottom up, positioning framework Roller bearing;Bearing guide rail support system is connected on the basis of shake table by bottom plate, and level table is connected on cover plate, and model casing is put In on level table, vibrator is installed on shear wall, and driving member is connected between vibrator and level table;Start exciting Device, the power that vibrator is produced by driving member be transferred to level table it is backward under pass sequentially through cover plate, roller bearing and bottom plate and be transferred to On the basis of shake table, it is passed up at model casing, and by control system collection analysis data to realize the simulation of earthquake.
2. the seismic simulation testing device according to claim 1 based on electrohydraulic servo system, it is characterised in that:The bottom Plate is character cut in bas-relief template;The cover plate is inverted U-shaped plate, and the bottom face of its two side extends internally, the bottom surface corner of cover plate with Semi-circular recesses are provided with the interior joint face of side wall inwall, the bottom surface of cover plate is used for and the roller for the low outer high step surfaces of Inner End face engaging;The positioning framework has multiple, is arranged in parallel between bottom plate and cover plate, and the side wall upper limb of each positioning framework is equal It is outer to extend at cantilever, the upper outer rim of cantilever provided with diameter matches in the deep-slotted chip breaker of the arc surface;Roller bearing is installed on by bearing Between adjacent two positioning framework.
3. the seismic simulation testing device according to claim 2 based on electrohydraulic servo system, it is characterised in that:The branch Seat guide rail support system also includes the steel ball being arranged between the deep-slotted chip breaker and the semi-circular recesses.
4. the seismic simulation testing device according to claim 2 based on electrohydraulic servo system, it is characterised in that:The water Flat surface, cover plate and model casing are equipped with screwed hole, and level table passes through bolt phase respectively with cover plate, level table and model casing Even.
5. the seismic simulation testing device according to claim 2 based on electrohydraulic servo system, it is characterised in that:It is described to shake Stylobate plinth is moved for floor, the foundation bolt for being connected with the bottom plate is provided with the basis of shake table.
6. the seismic simulation testing device according to claim 2 based on electrohydraulic servo system, it is characterised in that:It is described to pass Moving part includes vibrator connecting plate and exciting cross bar, and exciting cross bar one end is connected with vibrator, the other end and vibrator connecting plate It is connected, the opposite side of vibrator connecting plate is connected with the level table.
7. the seismic simulation testing device according to claim 1 based on electrohydraulic servo system, it is characterised in that:It is described to swash Shake device median plane and level table in sustained height plane.
8. the seismic simulation testing device according to claim 6 based on electrohydraulic servo system, it is characterised in that:The control System processed is Full Digitized Servo Control System, including controller, the first displacement transducer, second displacement sensor, dynamic data Acquisition Instrument, computer and speed feedback device, the first displacement transducer are used for the displacement for detecting the exciting cross bar, and second displacement is passed Sensor is arranged on model casing and is connected the data wire of second displacement sensor with dynamic data acquiring instrument, and dynamic data is adopted The connection of collection instrument is connected with computer, and speed feedback device is arranged between first sensor and controller to increase system Damping.
9. the seismic simulation testing device according to claim 8 based on electrohydraulic servo system, it is characterised in that:The present apparatus Also include the high-speed motion picture camera to record dynamic failure process.
10. a kind of earthquake simulation test method based on electrohydraulic servo system, it is characterised in that:This method uses claim 9 Described device carries out earthquake simulation test, comprises the following steps:
(1)The quantity of bearing bearing element is determined according to the weight of test model, minimum is 5, up to 9, then will be each Part assembling is integrated;
(2)Fundamental analysis is carried out to system, corresponding rectification building-out technology is implemented to system on the basis of analysis, to be expired The dynamic quality of meaning, by the exciting cross beam displacement that the first displacement transducer is detected be converted into electric signal feed back to controller and and Input signal is compared, to correct output valve;
(3)According to required direction of excitation, model casing is adjusted to transversely or longitudinally and hung on shake table with crane, spiral shell is used Bolt is fixed on level table;
(4)Add a speed feedback device, to increase the damping of system, realize the speed in frequency characteristic of system 0.001~ It is flat in the range of 30Hz, so as to reach the purpose of reduction waveform distortion;
(5)High-speed motion picture camera is laid before test model, dynamic failure process is recorded;
(6)Second displacement sensor is arranged on model, and by the data wire and Dynamic Data Acquiring of second displacement sensor Instrument is connected, and the connection of dynamic data acquiring instrument is connected with computer;
(7)The seismic wave for inputting different acceleration magnitudes carries out experimental test.
CN201710409567.8A 2017-06-02 2017-06-02 Seismic simulation testing device and method based on electrohydraulic servo system Active CN107121251B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710409567.8A CN107121251B (en) 2017-06-02 2017-06-02 Seismic simulation testing device and method based on electrohydraulic servo system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710409567.8A CN107121251B (en) 2017-06-02 2017-06-02 Seismic simulation testing device and method based on electrohydraulic servo system

Publications (2)

Publication Number Publication Date
CN107121251A true CN107121251A (en) 2017-09-01
CN107121251B CN107121251B (en) 2019-04-09

Family

ID=59730359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710409567.8A Active CN107121251B (en) 2017-06-02 2017-06-02 Seismic simulation testing device and method based on electrohydraulic servo system

Country Status (1)

Country Link
CN (1) CN107121251B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843401A (en) * 2017-12-13 2018-03-27 石家庄铁道大学 A kind of two-way free vibration test device
CN108760331A (en) * 2018-04-28 2018-11-06 湖北盛时杰精密机电有限公司 A kind of test process method, apparatus and equipment
CN108982039A (en) * 2018-07-24 2018-12-11 东南大学 Bulk testing load counterforce device, real-time mixed test system and its test method
CN108982036A (en) * 2018-07-17 2018-12-11 浙江大学 A kind of electric servo cylinder earthquake simulation shaking table control system
CN109000898A (en) * 2018-04-28 2018-12-14 湖北盛时杰精密机电有限公司 It is a kind of for monitoring the method, device and equipment of auto parts and components test process
CN109387535A (en) * 2018-12-07 2019-02-26 黑龙江省能源环境研究院 A kind of chamber for simulating underground heat
CN109571989A (en) * 2018-12-04 2019-04-05 威海光威复合材料股份有限公司 Intelligent Support bracket system
CN110398428A (en) * 2019-03-05 2019-11-01 章来英 A kind of safety shield door for underground intensity detecting device
CN110595711A (en) * 2019-09-06 2019-12-20 天津大学 Vibration system for simulating underwater multipoint earthquake motion non-vibration table position
CN116465586A (en) * 2023-06-20 2023-07-21 湖南大学 Top excitation anti-seismic performance evaluation method and system based on standard reaction spectrum method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005127809A (en) * 2003-10-22 2005-05-19 Yasuo Fukuda Excitation device and excitation test method
JP2010175532A (en) * 2008-12-29 2010-08-12 Kokusai Keisokki Kk Vibration test apparatus
CN104502047A (en) * 2014-12-17 2015-04-08 中国特种设备检测研究院 Experimental facility and experimental method for verifying aseismic design of spherical tank
CN105842094A (en) * 2016-05-12 2016-08-10 扬州大学 Pile box foundation level cyclic load shear deformation testing device
CN205785865U (en) * 2016-07-07 2016-12-07 中国矿业大学 A kind of vibration and power loading environment simulator stand

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005127809A (en) * 2003-10-22 2005-05-19 Yasuo Fukuda Excitation device and excitation test method
JP2010175532A (en) * 2008-12-29 2010-08-12 Kokusai Keisokki Kk Vibration test apparatus
CN104502047A (en) * 2014-12-17 2015-04-08 中国特种设备检测研究院 Experimental facility and experimental method for verifying aseismic design of spherical tank
CN105842094A (en) * 2016-05-12 2016-08-10 扬州大学 Pile box foundation level cyclic load shear deformation testing device
CN205785865U (en) * 2016-07-07 2016-12-07 中国矿业大学 A kind of vibration and power loading environment simulator stand

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843401B (en) * 2017-12-13 2023-10-24 石家庄铁道大学 Bidirectional free vibration test device
CN107843401A (en) * 2017-12-13 2018-03-27 石家庄铁道大学 A kind of two-way free vibration test device
CN109000898A (en) * 2018-04-28 2018-12-14 湖北盛时杰精密机电有限公司 It is a kind of for monitoring the method, device and equipment of auto parts and components test process
CN108760331A (en) * 2018-04-28 2018-11-06 湖北盛时杰精密机电有限公司 A kind of test process method, apparatus and equipment
CN108982036B (en) * 2018-07-17 2020-04-24 浙江大学 Electric servo cylinder earthquake simulation vibration table control system
CN108982036A (en) * 2018-07-17 2018-12-11 浙江大学 A kind of electric servo cylinder earthquake simulation shaking table control system
CN108982039B (en) * 2018-07-24 2023-09-22 东南大学 Loading counterforce device for mixing test, real-time mixing test system and test method thereof
CN108982039A (en) * 2018-07-24 2018-12-11 东南大学 Bulk testing load counterforce device, real-time mixed test system and its test method
CN109571989A (en) * 2018-12-04 2019-04-05 威海光威复合材料股份有限公司 Intelligent Support bracket system
CN109571989B (en) * 2018-12-04 2020-10-23 威海光威复合材料股份有限公司 Intelligent support bracket system
CN109387535A (en) * 2018-12-07 2019-02-26 黑龙江省能源环境研究院 A kind of chamber for simulating underground heat
CN109387535B (en) * 2018-12-07 2024-02-09 黑龙江省能源环境研究院 Test box for simulating geothermal energy
CN110398428A (en) * 2019-03-05 2019-11-01 章来英 A kind of safety shield door for underground intensity detecting device
CN110595711A (en) * 2019-09-06 2019-12-20 天津大学 Vibration system for simulating underwater multipoint earthquake motion non-vibration table position
CN116465586A (en) * 2023-06-20 2023-07-21 湖南大学 Top excitation anti-seismic performance evaluation method and system based on standard reaction spectrum method

Also Published As

Publication number Publication date
CN107121251B (en) 2019-04-09

Similar Documents

Publication Publication Date Title
CN107121251A (en) Seismic simulation testing device and method based on electrohydraulic servo system
CN106644324B (en) A kind of experimental rig can be used for light steel frame bean column node Experiment of Mechanical Behavior
Severn The development of shaking tables–A historical note
Sherif et al. Dynamic earth pressures on walls rotating about the top
JP6622411B2 (en) Periodic structure used for three-way motion decoupling of shaking table model box
CN107313470B (en) The experimental rig that the preconsolidation simulation Piled-box foundaton Long-term Cyclic Loading that pressurizes acts on
CN102530732B (en) Hydraulic hoisting, slipping and emplacing method and equipment for large scale press components
CN109446715B (en) Large-span bridge earthquake response time course analysis method
WO2023151235A1 (en) Submerged floating tunnel full hydroelasticity response model test device and method
CN206774048U (en) A kind of structural mechanics synthesis experiment platform
CN104198310A (en) Cyclic loading tamping teststand for indoor crushed stone ballast track beds
CN113049395A (en) Simulation device for composite stress mechanism of pile foundation of liquefied field and test method thereof
CN102367674B (en) Suspension type multi-dimensional input horizontal multi-directional shearing model casing device
CN103669225A (en) Continuous beam 0# block support and installing method
CN203929538U (en) A kind of indoor prose style free from parallelism ballast track bed CYCLIC LOADING is made firm by ramming test bed
CN113970454A (en) Continuous rigid frame bridge foundation ectopic torsion load model device and test method
CN105158443B (en) A kind of loading system applying vertical load based on geotechnical centrifuge
CN109855984B (en) Unidirectional compression shear loading device and application method thereof
CN107830980B (en) A kind of unidirectional shear model box of hollow variable cross-section
CN206804451U (en) One kind can adjust pressing-shearing combined pilot system technology platform
Calvi et al. Design of a large-scale dynamic and pseudo-dynamic testing facility
CN202577158U (en) Hyperbolic cable tower cross beam adjusting bracket
Derkx et al. Dynamic tests and simulation of earthquakes in the LCPC’s centrifuge
Dai et al. New Songhua river bridge: a continuous girder, tied arch, hybrid bridge with four rail tracks in Harbin, China
CN208254971U (en) One kind, which is just torn open, takes formula indoor model soil test loading device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant