CN209027758U - The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action - Google Patents
The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action Download PDFInfo
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Abstract
The utility model belongs to field of civil engineering, a kind of experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action is disclosed, including the counter-force rigid frame formed by vertical support frame and cross supporting frame, test specimen capital is equipped with the axis pressure loading device that can be pressed at capital, column bottom by two symmetrically arranged column hinged-supports and ground, and axis presses loading device and cross supporting frame hinged；It further include the reciprocal loading device that can apply horizontal force to styletable side of the bean column node test specimen more than beam；The connecting rod arranged vertically is equipped between the beam-ends and ground of bean column node test specimen, connecting rod two end is hinged by hinged seat with beam-ends and ground respectively；The perpendicular bending-type structure of column hinged-support, the first bending part of column hinged-support is connect with ground, the second bending part is arranged towards styletable side, and cylindrical bar is folded between the second bending part and styletable side, is fixed between two column hinged-supports by connector.This experimental rig can more realistically reflect situation when practical bean column node bears horizontal earthquake action.
Description
Technical field
The utility model relates to technical field of civil engineering, and in particular, to a kind of phantom frame beam column interior joint receiving
The experimental rig of horizontal earthquake action.
Background technique
Frame structure not only has many advantages, such as that flexible arrangement, structural integrity are good and rigidity is preferable, and possesses good anti-
The advantages that shock stability, while also having from heavy and light, consumptive material is few, short time limit.
Bean column node refers to frame structure interior joint nucleus, close to joint cores beam-ends and close to joint cores
Styletable.It is important power transmission hinge in frame structure, can transmit and distribute internal force, generally more complicated than beam, column, board member stress,
Its shearing born is about 4~6 times that pillar bears shearing.Frame joint is weak part the most in frame structure, frame
Destruction of a node can injure the general safety of structure, cause collapsing for entire house, to bring casualties and great property
Loss can sufficiently reflect the antidetonation of total so the detection for bean column node Hysteresis Behavior (P- Δ) is particularly important
Performance.
In the prior art, it mainly uses structure to intend static test the research of bean column node Hysteresis Behavior, intends static load examination
Testing can be with the anti-seismic performance of failure under earthquake action lower node test specimen, still, load side used by most of pseudo-static experimental
Formula is styletable load, and what the pseudo-static experimental of styletable load was mainly studied is the plastic hinge of styletable, and the styletable in terms of single is not
Can completely shows anti-seismic performance of the egress under geological process.
Summary of the invention
The technical issues of the utility model solves is to overcome the deficiencies of existing technologies, and provides that a kind of structure is simple, operation
Phantom frame beam column interior joint receiving water that is easy, can more realistically reflecting bean column node actual loading situation and P- Δ effect
The experimental rig of flat geological process.
The purpose of this utility model is achieved through the following technical solutions:
A kind of phantom frame beam column interior joint bears the experimental rig of horizontal earthquake action, the counter-force including being fixed in ground
Rigid frame, counter-force rigid frame are the stable framework formed by vertical support frame and cross supporting frame, and bean column node test specimen capital is equipped with can
The axis to press at capital presses loading device, column bottom to pass through two symmetrically arranged column hinged-supports and ground, axis pressure load
Device first end is connected on cross supporting frame, second end and bean column node test specimen capital are hinged by hinged-support；Further including can be to
Styletable side of the bean column node test specimen more than beam applies the reciprocal loading device of horizontal force；The beam-ends and ground of bean column node test specimen
The connecting rod arranged vertically is equipped between face, connecting rod two end is hinged by hinged seat with beam-ends and ground respectively；Column hinged-support is in vertical
Straight bending-type structure, the first bending part of column hinged-support is connect with ground, the second bending part is arranged towards styletable side, the second bending
It is folded with cylindrical bar between portion and styletable side, is fixed between two column hinged-supports by connector.
Further, between bean column node test specimen column bottom and ground be equipped with cuboid pedestal, the first of column hinged-support
Bending part is bonded base upper surface, and connecting rod and the hinged hinged seat in ground are located at base upper surface.
Further, pedestal is concrete beam bottom seat.
Further, at least reinforcing rib together is equipped between the first bending part and the second bending part of column hinged-support.
Further, axis pressure loading device first end is equipped with two blocks of steel clamp plates in spacing parallel stacking, two blocks of steel clamp plates
Spacing in lay the big roller bearings such as more diameters and spacing, two blocks of steel clamp plates pass through spring steel connector link and connect, axis pressure load
Device is fixedly connected with one block of steel clamp plate, and another block of steel clamp plate is connected to cross supporting frame by hook.
Further, the stress Steel plate frame for being installed on styletable is equipped at reciprocal loading device force, stress Steel plate frame includes
Successively the first steel plate disposed in parallel, the second steel plate and third steel plate, the first steel plate are bonded the styletable far from reciprocal loading device
Side, third steel plate towards reciprocal loading device loading end and be connected with loading end, the second steel plate and third steel plate bolt connect
Connect and have spacing, the second steel plate and towards between the styletable side of reciprocal loading device be equipped with spacing, the first steel plate and second
Steel plate is bolted.
Further, capital is firm is arranged with styletable steel bushing, and styletable steel bushing is fixedly connected with hinged-support.
Further, hinged seat includes mutually independent bottom plate and articulated section, and articulated section includes hinged block and and hinged block
Vertical mounting plate, bottom plate be equipped with hinged block physical fit and can be for the through-hole that hinged block passes through, bottom plate first surface lead to
Heavy platform slot is equipped with around hole, mounting plate is adapted to heavy platform slot structure；Hinged block is equipped with hinge hole, and connecting rod and hinge hole pass through hinge
Fitting is realized hinged.
Further, the hinged seat bottom plate of beam-ends uses the anchor bolt through beam-ends internal structure to connect with beam-ends.
It further, further include for the lifting device of reciprocal loading device mounting height flexible modulation.
Further, reciprocal loading device is electro-hydraulic servo actuator, and it is jack that axis, which presses loading device,.
Compared with prior art, the utility model has the following beneficial effects:
1) force-bearing situation of the abundant phantom frame Structure Beam-column node of this experimental rig under geological process, the column at column bottom
This living hinge device of cylindrical bar is set between end side surface and column hinged-support, and styletable stress drives cylindrical bar rotation, can be effective
Discharge styletable energy, play the role of realize column bottom can be freely rotated it is hinged；And capital and axis pressure loading device are movably hinged, axis
Pressure loading device applies vertical axle power and is able to achieve test determination axial compression ratio, and the moveable hinge that axis pressure loading device connects can realize column
Top is freely rotated, this outer shaft pressure loading device loading end is always positioned on bean column node test specimen centroid axis, to prevent test process
The outer unstability of plane occurs for beam-column specimen joints；
2) reinforcing rib is set on the column hinged-support of vertical bending-type structure, increases the overall stiffness of the support, enhances
The ability of stress and resistance to deformation；
3) concrete beam bottom seat is set again between ground and column bottom, and concrete beam bottom seat and mattess coefficient of friction are big, and bottom
Seat is tightly anchored by multiple ground anchor bolts, so that seating friction greatly increases, can effectively reduce column bottom sliding phenomenon；
4) reciprocal loading device will concentrate thrust to be applied to third steel plate, then be transferred to second block of steel plate, and the second steel plate will
Power is distributed to the lateral column end side surface, equally can also transmit and reach third block steel plate, and power opposite direction is distributed to the side by third steel plate
Styletable side, the loading end of reciprocal loading device is not direct to be contacted with styletable side, will not generate stress concentration, the utility model
Three pieces of steel plate designs facilitate stress dispersion, reciprocal loading device makees low loop cycle and moves back and forth to be similar to taphrogeny,
So realize horizontal seismic force simulation；
5) axis presses loading device that Vertical Concentrated Force is descended into styletable steel bushing, and concentrated force is evenly spread to section by styletable steel bushing
Point test specimen capital, to apply axle power to capital, which generates stress to column will be equal similar to actual frame structure column axial force
The even actual stress for being distributed to column section；
6) setting such as the steel clamp plate between axis pressure loading device and cross supporting frame, roller bearing, it can be ensured that axis presses loading device
Loading force always straight down, the vertical loading force on abundant analog node test specimen top；
7) hinged seat is worked by two part assemblings, and detachable, single component is light-weight, conducive to assembling and removing
Fortune, and monomer members later period interchangeability is strong；
8) when hinged seat is installed to beam-ends and by concrete beam bottom seat and fixed ground, installation bolt need to extend through beam-ends
With concrete beam chassis interior, beam-ends hinged place and hinged seat is made to become an entirety, good fixing effect, hinged seat will not be sent out along beam-ends
Raw movement, while these external factor also being avoided to influence test effect；
9) connecting rod is formed using two blocks of steel plates, and two blocks of steel plates just form symmetrical structure, may make stress along connecting rod side
To reduction eccentric direction power.
Detailed description of the invention
Fig. 1 is that the experimental rig of phantom frame beam column interior joint described in embodiment 1 receiving horizontal earthquake action is being tested
Structural schematic diagram in the process；
Fig. 2 is the top view of bottom plate described in embodiment 1；
Fig. 3 is the cross-sectional view of bottom plate described in embodiment 1；
Fig. 4 is the main view of articulated section described in embodiment 1；
Fig. 5 is the top view of articulated section described in embodiment 1.
Specific embodiment
The utility model is further described With reference to embodiment, wherein being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in Figure 1, providing a kind of experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action, including solid
It is connected to the counter-force rigid frame on ground, counter-force rigid frame is the stable frame knot formed by two vertical support frames 11 and a cross supporting frame 12
Structure, bean column node test specimen are located in counter-force rigid frame, connect a jack 31, the present embodiment by connection structure on cross supporting frame 12
Axis pressure loading device be jack 31, jack 31 and bean column node test specimen capital are hinged by hinged-support 9 and can Xiang Liang
Applying pressure at Column border node test specimen capital A1, (when initially being pressed to bean column node test specimen, which is towards axis of a cylinder direction
Apply)；Experimental rig further includes the electro-hydraulic servo that can apply horizontal force to styletable side of the bean column node test specimen more than beam
Actuator 32,32 end of electro-hydraulic servo actuator are removably mounted in vertical support frame 11；Bean column node test specimen column bottom A2 and ground
It is equipped with the concrete beam bottom seat 4 of cuboid between face, vertical arrangement is equipped between the beam-ends A3 and concrete beam bottom seat 4 of bean column node test specimen
Connecting rod 5,5 both ends of connecting rod are hinged by hinged seat 6 at beam-ends inflection point and ground respectively, wherein connecting rod 5 and ground are hinged
Hinged seat 6 be located at 4 upper surface of concrete beam bottom seat；Column bottom A2 and ground are hingedly to be symmetricly set on column bottom two sides by two
Column hinged-support 7 is realized.
Specifically, the perpendicular bending-type structure of column hinged-support 7, the first bending part 71 are bonded 4 upper surface of concrete beam bottom seat
And connect with ground, the second bending part 72 towards styletable side be arranged, be folded with one between the second bending part 72 and styletable side
With the cylindrical bar 73 of the perpendicular arrangement in axis of a cylinder direction, the outer peripheral surface of cylindrical bar 73 is contacted with the second bending part 72 and styletable side,
Two column hinged-supports 7 are fixed by the way that connection bolt is arranged between two the second bending parts 72.
Styletable stress will will drive cylindrical bar 73 and rotate, and the releasable styletable energy of the rotation of two cylindrical bars plays excellent
Hinged effect, sufficiently simulate earthquake conditions frame structures under action styletable virtual condition.
Cylindrical bar 73 is the thicker steel pipe of wall thickness, and extruding does not occur with its surface cylindrical surface during the entire test of holding and becomes
Shape.
It is fixed between first bending part 71 and ground by anchor bolt, to prevent concrete beam bottom seat 4 and ground from occurring
Larger Relative sliding influences test effect, these anchor bolts is preferably run through concrete beam bottom seat 4, in this way, which concrete beam bottom seat is suitable
In being set in the position, in addition, concrete beam bottom seat and mattess coefficient of friction are big, anchor bolt is further such that concrete beam bottom
Seat is greatly increased with frictional ground force, and column bottom end and ground are hinged relationship, and there are axle powers for column bottom end, though column lower horizontal power has
Vertical force is also bigger while increased, but column bottom and the frictional force of concrete beam bottom seat are also bigger when vertical force is bigger, therefore phase
Than being not provided with pedestal or being arranged for the pedestal of girder steel material, concrete beam bottom seat can effectively reduce the sliding phenomenon at column bottom.
Because of column bottom A2 force-bearing situation complexity, to prevent column hinged-support 7, when column bottom acts, deformation occurs, can be in column hinged-support
The first bending part 71 and the second bending part 72 between add the equally distributed triangle reinforcing rib 74 of twice, it is hinged to increase column
The overall stiffness of seat 7, enhances the ability of its stress and resistance to deformation.
Connection structure between jack 31 and cross supporting frame 12 is (i.e. very heavy in the end of jack towards cross supporting frame
Push up first end) two blocks of steel clamp plates 21 in spacing parallel stacking are set, more diameters are laid in the spacing of two blocks of steel clamp plates 21
The roller bearing 22 big with spacing etc., two blocks of steel clamp plates 21 are connected by spring steel connector link 23, jack 31 and one block of steel close to it
Clamping plate 21 is fixedly connected, and another block of steel clamp plate 21 is connected to cross supporting frame 12 by hook 24.
The present embodiment cooperates this connection structure with roller bearing come collective effect using jack, in bean column node test specimen
When by horizontal reciprocating load, the vertical axle power of capital remains vertical constant axle power, can accurately simulate movable hinged shoe, reach
Test demand.
The stress Steel plate frame for being installed on styletable is equipped at 32 force of electro-hydraulic servo actuator, stress Steel plate frame includes successively putting down
The first steel plate 81, the second steel plate 82 and the third steel plate 83 of row setting, the first steel plate 81 are bonded far from the electro-hydraulic servo actuator
32 styletable side, third steel plate 83 towards electro-hydraulic servo actuator loading end and be connected with loading end, the second steel plate 82 with
Third steel plate 83 is bolted and makes have spacing between the second steel plate and third steel plate by the cooperation of bolt and multiple nuts,
First steel plate 81 and the second steel plate 82 are cooperatively connected by bolt and nut, and hereafter, the overall structure for promotion stress Steel plate frame is steady
It is qualitative, it is also uniformly connected and fixed by four equally distributed connection bolts between three blocks of above-mentioned steel plates.
Specifically, concentrated force is acted on third steel plate 83 by electro-hydraulic servo actuator 32, and concentrated force will be transmitted to the second steel
Power can be distributed to corresponding styletable side by plate 82 and the first steel plate 81, the second steel plate 82, and the first steel plate 81 is then by power opposite direction point
It is scattered to corresponding styletable side, the loading end of electro-hydraulic servo actuator 32 is not direct to be contacted with styletable side, will not generate stress collection
In, the design of three blocks of steel plates facilitates stress dispersion, and electro-hydraulic servo actuator is made low loop cycle and moved back and forth, and is similar to earthquake
Movement, realizes the simulation of horizontal seismic force.
The capital A1 of bean column node test specimen is firm be arranged with styletable steel bushing (cap of styletable steel bushing such as capital, in Fig. 1 not in detail
Carefully show), styletable steel bushing is fixedly connected with hinged-support, and jack is also to be fixedly connected with hinged-support, hinged-support hinge joint and column
The stringent centering of end face center is pushed up, to prevent bean column node test specimen during test from unstability outside plane occurs, styletable steel bushing can will collect
Middle power evenly spreads to bean column node test specimen capital, to apply axle power to capital, the stress which generates column is similar to
Actual frame structure column axial force will be evenly distributed to the actual stress of column section.
The hinged seat of the present embodiment overturns previous integrated design theory, then is designed to by mutually independent bottom plate 61
It is cooperatively formed with articulated section, as shown in Figures 2 to 5, articulated section includes hinged block 62 and the mounting plate 63 vertical with hinged block, bottom
Plate 61 is equipped with and hinged block physical fit and can be equipped with around through-hole for the through-hole 611 that hinged block passes through, bottom plate first surface
Heavy platform slot 612, mounting plate 63 and 612 physical fit of heavy platform slot；Hinged block 62 is equipped with hinge hole, and connecting rod 5 passes through with hinge hole
Articulation piece is realized hinged.
This seperated cooperation makes hinged seat 6, and the processing is simple, consumptive material is less, installation and removal are convenient, and seperated part is light-weight, benefit
It in assembling and carries, and when seperated part is damaged in later period use process easily replaces.As the processing of same material is integral
Formula hinged seat, one comes processing difficulties, long processing time, and two, which carry out dimensional accuracy, is also difficult to be controlled, furthermore wastes lot of materials,
And overall weight is big, is not easy to mount and dismount.From the aspect of stress, this split type hinged seat can equally reach whole
The effect of support.
When the installation of hinged seat 6 of 5 one end of connecting rod is to beam-ends A3, bottom plate 61 is bonded beam-ends lower surface, beam-ends upper surface peace
One piece of billet 64 is set, is connected billet 64 and bottom plate 61 using anchor bolt, to further ensure that hinged seat 6 and beam
The fixed effect of A3 is held, anchor bolt is run through beam-ends A3 internal structure, can so hinged seat be made to install by the present embodiment selection
An entirety is combined into after to beam-ends with beam-ends, can effectively prevent hinged seat that moving along beam-ends direction occurs relative to beam-ends.
When the hinged seat 6 of the connecting rod other end is connect with ground, bottom plate is bonded 4 upper surface of concrete beam bottom seat, likewise, the bottom
The anchor bolt that plate 61 is connect with ground also extends through 4 internal structure of concrete beam bottom seat, at this point, the hinged seat, concrete beam bottom seat and ground
An entirety is formed, three keeps relatively fixed.
Connecting rod 5 is two blocks of steel plates for being parallel to the setting of hinged block 62, and hinged block 62 is clipped in the middle by two blocks of steel plates, and steel plate exists
The hinge hole corresponding position of hinged block also is provided with hinge hole, and the articulation piece in hinge hole can be pin shaft, and this design of connecting rod can
Guarantee that beam-ends A3 stress direction of transfer of power when being transferred at 4 respective hinge of concrete beam bottom seat is that can have along connecting rod direction
Effect reduces eccentric direction power.
For the application of preferably dummy level seismic force, this experimental rig also contemplates the height of electro-hydraulic servo actuator 32
Installation question fixes a sliding rail B on ground vertically, and the lift truck C that can be slid up and down along sliding rail, electricity are mounted on sliding rail B
The middle portion quartile of liquid servo actuator 32 removes electro-hydraulic servo actuator end on lift truck C from vertical support frame 11,
End is loaded it simultaneously to separate from the junction of third steel plate 83, it can be by the sliding of lift truck C come its peace of flexible modulation
Stress Steel plate frame, is hereafter adjusted to after corresponding height and connect again with loading end, then by electro-hydraulic servo actuator 32 by dress height
End is connected to vertical support frame 11, realizes simulation of the horizontal seismic force under styletable active position different situations.
When this experimental rig is loaded, bean column node test specimen styletable by vertical stress and horizontal direction toward combined stress,
So that styletable stress is constantly propagated toward bean column node, is balanced according to joints, stress is transmitted to beam-ends and column bottom end, beam-ends
Stress will be transmitted to hinged seat at beam-ends, and hinged seat passes through connecting rod again and is transmitted to concrete beam base position hinged seat at beam-ends.
The specific test method of this experimental rig is as follows: applying vertical axle power to capital by jack classification, works as load
Reach and stop load when testing predetermined axial compression ratio (n=0.3), and keep vertical axle power invariable, is equipped on jack corresponding
Load transducer acquire vertical load parameter.
The horizontal low reciprocal Protonation constant of loop cycle using power-displacement (P- Δ) mix-loaded system (first load load, after
Displacement load), specific loading procedure are as follows:
1. load load phase: electro-hydraulic servo actuator applies cyclic load, every grade of load circulation primary by classification.Lotus
When carrying the node region for being loaded onto discovery bean column node test specimen has obvious crack, stop load, the first crack is occurred into test specimen
Corresponding load also is provided with load transducer acquisition respective horizontal parameters of loading as cracking load on electro-hydraulic servo actuator.
2. being displaced load phase: using displacement load after the load of test specimen load stops, load load corresponds to beam when stopping
Column border node test specimen column top horizontal displacement △ carries out multistage loadings as displacement load radix, by the multiple of displacement radix △, often
Grade displacement cycle twice, until bean column node test specimen reaches capacity when being displaced, stops load.Extreme displacement is bean column node test specimen
The corresponding displacement of failing load after undergoing peak value, failing load value are the 85% of peak load.
The displacement sensor being mounted on electro-hydraulic servo actuator is made graduated scale acquisition electro-hydraulic servo actuator by oneself with it and is added
Carry end displacement, bean column node test specimen along loading direction displacement by being arranged in column top, node area column upper end, node area
It three dial gauges (range 50mm) of column lower end and makes graduated scale by oneself and measures, and the displacement of the lateral twisting of beam is then led to
Crossing and being arranged in two ranges of the middle position beam sides of beam outer end to node area beam end is that 50mm dial gauge carries out data
Measurement.
Corresponding hysteresis loop etc., which can be produced, according to the data acquired above can react bean column node test specimen antidetonation energy
The correlation curve of power.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (10)
1. the experimental rig that a kind of phantom frame beam column interior joint bears horizontal earthquake action, which is characterized in that including being fixed in
The counter-force rigid frame on ground, counter-force rigid frame are the stable framework formed by vertical support frame and cross supporting frame, bean column node test specimen
Capital is equipped with the axis pressure loading device that can be pressed at capital, column bottom passes through two symmetrically arranged column hinged-supports and ground phase
It connects, axis pressure loading device first end is connected on cross supporting frame, second end and bean column node test specimen capital are hinged by hinged-support；
It further include the reciprocal loading device that can apply horizontal force to styletable side of the bean column node test specimen more than beam；Bean column node test specimen
Beam-ends and ground between be equipped with the connecting rod arranged vertically, connecting rod two end is hinged by hinged seat with beam-ends and ground respectively；Column
The perpendicular bending-type structure of hinged-support, the first bending part of column hinged-support is connect with ground, the second bending part is set towards styletable side
It sets, cylindrical bar is folded between the second bending part and styletable side, is fixed between two column hinged-supports by connector.
2. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, the pedestal of cuboid is equipped between bean column node test specimen column bottom and ground, and the first bending part of column hinged-support is bonded bottom
Seat upper surface, connecting rod and the hinged hinged seat in ground are located at base upper surface.
3. phantom frame beam column interior joint according to claim 2 bears the experimental rig of horizontal earthquake action, feature
It is, pedestal is concrete beam bottom seat.
4. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, at least reinforcing rib together is equipped between the first bending part and the second bending part of column hinged-support.
5. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, axis presses loading device first end to be equipped with two blocks of steel clamp plates in spacing parallel stacking, places in the spacing of two blocks of steel clamp plates
There are the big roller bearings such as more diameters and spacing, two blocks of steel clamp plates are connected by spring steel connector link, and axis presses loading device and one block of steel
Boards wall connects, and another block of steel clamp plate is connected to cross supporting frame by hook.
6. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, the stress Steel plate frame for being installed on styletable is equipped at reciprocal loading device force, and stress Steel plate frame includes successively being arranged in parallel
The first steel plate, the second steel plate and third steel plate, the first steel plate be bonded far from reciprocal loading device styletable side, third steel plate
Towards reciprocal loading device loading end and be connected with loading end, the second steel plate and third steel plate are bolted and have spacing,
Second steel plate and towards spacing is equipped between the styletable side of reciprocal loading device, the first steel plate is bolted with the second steel plate.
7. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, capital is firm to be arranged with styletable steel bushing, and styletable steel bushing is fixedly connected with hinged-support.
8. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, hinged seat includes mutually independent bottom plate and articulated section, and articulated section includes hinged block and the mounting plate vertical with hinged block,
Bottom plate be equipped with hinged block physical fit and can be for the through-hole that hinged block passes through, bottom plate first surface is around through-hole equipped with heavy platform
Slot, mounting plate are adapted to heavy platform slot structure；Hinged block is equipped with hinge hole, connecting rod and hinge hole and is realized hingedly by articulation piece.
9. phantom frame beam column interior joint according to claim 8 bears the experimental rig of horizontal earthquake action, feature
It is, the hinged seat bottom plate of beam-ends uses the anchor bolt through beam-ends internal structure to connect with beam-ends.
10. phantom frame beam column interior joint according to claim 1 bears the experimental rig of horizontal earthquake action, feature
It is, further includes for the lifting device of reciprocal loading device mounting height flexible modulation.
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| CN201821800477.8U CN209027758U (en) | 2018-11-02 | 2018-11-02 | The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action |
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| CN201821800477.8U CN209027758U (en) | 2018-11-02 | 2018-11-02 | The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540442A (en) * | 2018-11-02 | 2019-03-29 | 湖南工业大学 | The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action |
| CN111473932A (en) * | 2020-04-22 | 2020-07-31 | 重庆交通大学 | Earthquake and vehicle load coupled bridge bearing shock absorption test model |
| CN113916684A (en) * | 2021-10-14 | 2022-01-11 | 西南石油大学 | A loading device for girder steel four-point bending stability is experimental |
| US20220042789A1 (en) * | 2020-05-27 | 2022-02-10 | Dalian University Of Technology | Portable truss structure experiment device |
| CN114279667A (en) * | 2022-03-07 | 2022-04-05 | 成都理工大学 | Pseudo-static anti-seismic test device and method for wallboard joint |
| CN117760831A (en) * | 2023-12-21 | 2024-03-26 | 华中科技大学 | Test device and test method for structure column pushing and covering test research |
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2018
- 2018-11-02 CN CN201821800477.8U patent/CN209027758U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540442A (en) * | 2018-11-02 | 2019-03-29 | 湖南工业大学 | The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action |
| CN111473932A (en) * | 2020-04-22 | 2020-07-31 | 重庆交通大学 | Earthquake and vehicle load coupled bridge bearing shock absorption test model |
| US20220042789A1 (en) * | 2020-05-27 | 2022-02-10 | Dalian University Of Technology | Portable truss structure experiment device |
| CN113916684A (en) * | 2021-10-14 | 2022-01-11 | 西南石油大学 | A loading device for girder steel four-point bending stability is experimental |
| CN113916684B (en) * | 2021-10-14 | 2023-11-10 | 西南石油大学 | Loading device for four-point bending stability test of steel beam |
| CN114279667A (en) * | 2022-03-07 | 2022-04-05 | 成都理工大学 | Pseudo-static anti-seismic test device and method for wallboard joint |
| US11714025B1 (en) | 2022-03-07 | 2023-08-01 | Chengdu University Of Technology | Pseudo-static test device and method for seismic behavior of connection joints of wallboard |
| CN117760831A (en) * | 2023-12-21 | 2024-03-26 | 华中科技大学 | Test device and test method for structure column pushing and covering test research |
| CN117760831B (en) * | 2023-12-21 | 2024-07-16 | 华中科技大学 | Test device and test method for structure column pushing and covering test research |
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