CN105067211B - Detachable recycling shear wall Experimental Study on Seismic Behavior loading frame and test method - Google Patents
Detachable recycling shear wall Experimental Study on Seismic Behavior loading frame and test method Download PDFInfo
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- CN105067211B CN105067211B CN201510421965.2A CN201510421965A CN105067211B CN 105067211 B CN105067211 B CN 105067211B CN 201510421965 A CN201510421965 A CN 201510421965A CN 105067211 B CN105067211 B CN 105067211B
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Abstract
The present invention relates to a kind of detachable recycling shear wall Experimental Study on Seismic Behavior loading frame and test method.Including the wall erection of steel work, loading holder connection device, anti-lateral displacement component, the wall erection of steel work includes loading beam, steelframe wall, steelframe wall pole, steelframe wall both sides set diagonal-bracing type steelframe wall pole, the bottom of steelframe wall pole and steelframe wall is fixedly connected with shear wall test specimen floor, jack is placed by the square steel tube support body of its openwork part on steelframe wall, steelframe wall top is fixed loading beam and is connected with loading attachment means by loading the loading termination of beam end；Anti-lateral displacement component includes fixed steelframe and anti-lateral displacement pull bar, and anti-lateral displacement pull bar two ends are hinged with the steelframe wall pole in fixed steelframe and the wall erection of steel work respectively；The present invention can improve the shear span ratio of shear wall test specimen, meet requirement of the Experimental Study on Seismic Behavior to shear span ratio more than 3, can apply axial compressive force to shear wall test specimen, meet requirement of the shear wall experiment to different axial compression ratios.
Description
Technical field
The present invention relates to assembly concrete-filled steel tube compound shear wall Experimental Study on Seismic Behavior, specifically one kind can improve shearing
Wall test specimen shear span ratio can apply the detachable recycling shear wall anti-seismic performance of axle power to meet Experimental Study on Seismic Behavior requirement
Experiment loading frame and test method.
Background technology
With the raising of modern architecture industrialization degree, prefabricated construction has obtained more and more extensive in building field
Application, therefrom low layer develops its range of application to high-rise, super high rise structure.Big compared to cast-in-place concrete structure construction noise,
The inferior position that seriously polluted, manual labor amount is big, construction period is more long, prefabricated assembled concrete structure has very big potential and grinds
Make an offer value.Cast in place and precast construction experienced three development and change in period：The precast concrete large panel structure of early stage, soap-free emulsion polymeization
Post-stress precast concrete, modern prefabricated overlapped shear wall structure.
In shear wall structure, it is maximum that it strengthens the load that bears of position, therefore bottom two layers are that we carry out experiment and grind
Study carefully and theory analysis emphasis.Many experts and scholars are studied also for the anti-seismic performance of cast in place and precast construction, but wall
The shear span ratio of body test specimen is often difficult to meet, and is the anti-seismic performance of simulation shear wall structure as true as possible, it is therefore desirable to many work(
The development of the loading frame of energy is tested and engine request with meeting.
The content of the invention
The present invention is intended to provide a kind of detachable recycling shear wall Experimental Study on Seismic Behavior loading frame and test method,
Carry out in different axial compression ratios, the research process of the precast shear wall body of different shear span ratios, tested using the experiment loading frame,
Can facilitate and different axle powers are applied to wall, while improving the shear span ratio of shear wall test specimen, meet experiment big for shear span ratio
In 3 requirement；Largely reduce the making of wall test specimen highly, saved cost, time and manpower, also allow for examination
Test the lifting of wall；In addition, the loading frame has the advantages that detachable recycling, meet Modern Green production and sustainable development
The requirement of exhibition.
The technical solution adopted by the present invention is：
A kind of detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, including anti-lateral displacement component, loading connection dress
Put, the wall erection of steel work, anti-lateral displacement component include a fixed steelframe and two anti-lateral displacement pull bars, anti-lateral displacement pull bar two ends distinguish
It is hinged with the steelframe wall pole in fixed steelframe and the wall erection of steel work；The wall erection of steel work include loading beam, steelframe wall,
Steelframe wall pole, steelframe wall both sides set diagonal-bracing type steelframe wall pole, steelframe wall pole bottom and steelframe wall bottom
Portion is fixedly connected with shear wall test specimen floor respectively, places very heavy by the square steel tube support body of its openwork part on steelframe wall
Top, steelframe wall top is fixed loading beam and is connected with loading attachment means by loading the loading termination of beam end.
The test method of above-mentioned detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, is carried out in the steps below：
A. according to test requirements document design and processing and fabricating anti-lateral displacement component, loading attachment means and the wall erection of steel work；
B. the fixed steelframe in anti-lateral displacement component is fixed on the ground by ground anchor bolt, direction and actuator loading side
To vertical, then anti-lateral displacement pull bar one end is hinged in the unidirectional hinge on fixed steelframe；
C. it is the lifting of shear wall test specimen is in place and fixed, then by the flange of welding on shear wall test specimen and wall steelframe
The flange welded on device is positioned to the wall erection of steel work, it is determined that carrying out bolted transverse direction with shear wall test specimen floor
Bolt hole position on fixation steel plate, and made marks on shear wall test specimen floor；Then the wall erection of steel work is unloaded again,
Mark on shear wall test specimen floor beats through hole with impact drill；It is last again that the lifting of the wall erection of steel work is in place, make steelframe
The connection short column of wall bottom is deep into the reserved circular opening of shear wall test specimen floor together with circular steel plate；By laterally solid
Determine the connection of steel plate, flange and shear wall test specimen floor, realized by the unidirectional hinge on vertical fixation steel plate another with anti-lateral displacement pull bar
One end is hinged；
D. grouting material is filled into the reserved circular opening of shear wall test specimen floor, realizes that connection short column is tried with shear wall
The connection of part, and ensure the Shear transfer between shear wall test specimen and the wall erection of steel work；
E. jack is placed into jack draw-in groove, then axially pressure is applied to shear wall test specimen by reaction plate and pull bar
Power；
F. low cyclic loading experiment is carried out to shear wall test specimen by controlling MTS actuator.
Above-mentioned technical proposal of the present invention, the situation that shear wall test specimen is loaded along wall direction is ensured in anti-lateral displacement component
Under, reciprocating sliding load can be applied to test specimen by actuator.The wall erection of steel work by the fixation steel plate of bottom respectively with advance
Shear wall floor processed is connected with anti-lateral displacement pull bar；The circular steel plate of connection short column bottom is by grouting material and shear wall test specimen reliability
Connection, to ensure Shear transfer good between loading frame and shear wall.It is right by adjusting the pressure of jack in pressure-applying unit
Wall applies different axial compressive forces, to meet the requirement of test specimen difference axial compression ratio in experiment.
Using the present invention of above-mentioned technical proposal, it is compared with prior art, the characteristics of its protrusion：
When carrying out different axial compression ratio shear wall Experimental Study on Seismic Behavior researchs, can have in the case where shear span ratio requirement is met
The design height of the reduction test specimen of effect, so as to the workload made compared with small specimen, it is possible to save test material, reduces cost；
Furthermore it is also possible to reduce the quality of test specimen, lift test specimen, experiment is carried out more easily and fast.Can by the experimental rig
Axial compressive force is applied to shear wall test specimen with light, convenient, requirement of the shear wall experiment to different axial compression ratios is met.
Preferably, detachable recycling shear wall Experimental Study on Seismic Behavior loading frame of the present invention, further
Technical scheme be：
Fix two row's truss that steelframe is welded into by double-deck channel-section steel, two square steel tube structures being welded between two row's truss
Into two row's truss are fixed on the ground by ground anchor bolt, and being spaced installation two by fixation steel plate on two square steel tubes is hinged
Seat, anti-lateral displacement pull bar one end is hinged with described hinged seat, and the hinged seat is to make the anti-lateral displacement pull bar only can be along actuator loading side
To the unidirectional hinge of one-directional rotation；The other end of anti-lateral displacement pull bar is equally hinged the unidirectional hinge described in, and anti-lateral displacement pull bar passes through
Described unidirectional hinge is hinged with the steelframe wall pole in the wall erection of steel work.
Steelframe wall pole is square steel tube, and steelframe wall pole top is welded and fixed with the square steel tube support body of steelframe wall,
Steelframe wall pole bottom is respectively welded vertical fixation steel plate and horizontal fixation steel plate, vertical fixation steel plate and the unidirectional base for cutting with scissors
Steel plate bolt connection；Horizontal fixation steel plate is connected by the through hole on shear wall test specimen floor with shear wall test specimen floor bolt
Connect.
The main body of steelframe wall is square steel tube support body, and square steel tube support body is welded by square steel tube with steel plate, by square steel
Grouting material is irrigated in pipe, C60 self-compacting concretes formation steelframe wall, square steel tube support body bottom are irrigated between square steel tube and steel plate
Two ends welded flange, steelframe wall is connected by flange with the flange bolt welded on shear wall test specimen floor.
Square steel tube support body lower weld has two short steel pipes, and steelframe wall is formed by irrigating grouting material in two short steel pipes
Two connection short columns of bottom, connection short column bottom welding has circular steel plate, and connection short column bottom is deep into together with circular steel plate
In the reserved circular opening of shear wall test specimen floor, and it is connected with shear wall test specimen by irrigating grouting material.
Jack draw-in groove is welded on the square steel tube support body of steelframe wall, jack is placed in jack draw-in groove, jack
Configuration reaction plate, axle power is applied by reaction plate and pull bar to shear wall test specimen.
Loading beam is to be welded on the square steel tube at the top of square steel tube support body, and loading termination is the connection for being welded on square steel pipe end
Steel plate, loading termination is connected with the loading connector bolt of loading attachment means.
Brief description of the drawings
Fig. 1 is the experiment loading frame dimensional structure diagram at the test condition of the embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of anti-lateral displacement component in Fig. 1；
Fig. 3 is the side structure schematic view of anti-lateral displacement component in Fig. 1；
Fig. 4 is wall erection of steel work dimensional structure diagram in Fig. 1；
In figure：1- anti-lateral displacement components, 2- loading attachment means, the 3- wall erections of steel work, 4- fixes steelframe, and 5- anti-lateral displacements are drawn
Bar, 6- fixation steel plates, 7- base steel plates, 8- loading beams, 9- steelframe walls, 10- steelframe wall poles, 11- jack, 12- connects
Connect short column, 13- circular steel plates, 14- loadings termination, 15- flanges, the vertical fixation steel plates of 16-, 17- transverse direction fixation steel plates, 18- thousand
Jin top draw-in groove, 19- unidirectionally cuts with scissors, 20- shear wall test specimens.
Specific embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings, but embodiment does not constitute any limitation to the present invention.
Referring to Fig. 1, detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, by anti-lateral displacement component 1, loading connection
Device 2, the part of the wall erection of steel work 3 three composition.
Referring to Fig. 1, Fig. 2, Fig. 3, anti-lateral displacement component 1 is made up of a fixed steelframe 4 and two anti-lateral displacement pull bars 5, fixed
Two row's truss that steelframe 4 is welded into by double-deck channel-section steel, two square steel tubes being welded between two row's truss are constituted, and two row's truss lead to
Cross ground anchor bolt to fix on the ground, be spaced by fixation steel plate 6 on two square steel tubes and two hinged seats, anti-lateral displacement pull bar are installed
5 one end are hinged with hinged seat, and the hinged seat is to make the anti-lateral displacement pull bar 5 only can be along the unidirectional hinge of actuator loading direction one-directional rotation
19；The other end of anti-lateral displacement pull bar 5 is equally hinged a unidirectional hinge 19.
Referring to Fig. 1, Fig. 4, the wall erection of steel work 3 is made up of loading beam 8, steelframe wall 9, steelframe wall pole 10, steelframe
Wall pole 10 is arranged on the both sides of steelframe wall 9 in diagonal-bracing type.
The main body of steelframe wall 9 is square steel tube support body, and square steel tube support body is welded by square steel tube with steel plate, by square steel
Grouting material is irrigated in pipe, C60 self-compacting concretes formation steelframe wall 9, square steel tube support body bottom are irrigated between square steel tube and steel plate
Portion two ends welded flange 15, steelframe wall 9 is connected by flange 15 with the flange bolt welded on shear wall test specimen floor；Square steel
Pipe support body lower weld has two short steel pipes, by irrigating two that grouting material forms the bottom of steelframe wall 9 in two short steel pipes
Connection short column 12, the connection bottom welding of short column 12 has circular steel plate 13, and the connection bottom of short column 12 is deep into together with circular steel plate 13
In the reserved circular opening of shear wall test specimen floor, and it is connected with shear wall test specimen 20 by irrigating grouting material.So, Ke Yibao
Can be good at Transfer of Shear between card loading frame and shear wall test specimen 20.
Steelframe wall pole 10 is square steel tube, and the top of steelframe wall pole 10 is welded with the square steel tube support body of steelframe wall 9
Fixed, the bottom of steelframe wall pole 10 is respectively welded vertical fixation steel plate 16 and horizontal fixation steel plate 17, vertical fixation steel plate 16
The bolt connection of base steel plate 7 of the unidirectional hinge 19 being hinged with the end of anti-lateral displacement pull bar 5, horizontal fixation steel plate 17 is tried by shear wall
Through hole and shear wall test specimen floor bolt connection on part floor.So, by the effect of anti-lateral displacement pull bar 5, can prevent
There is sidesway in steelframe wall 9, in loading procedure while ensure that the rigidity of its vertical direction meets requiring.
Steelframe wall 9 is provided with openwork part, and jack draw-in groove 18, thousand are welded on the square steel tube support body of the openwork part
Jin top 11 is placed in jack draw-in groove 18, the configuration reaction plate of jack 11, by reaction plate and pull bar to shear wall test specimen 20
Apply axial compressive force.
Loading beam 8 is to be welded on square steel tube at the top of square steel tube support body, the welding of square steel tube two ends by junction steel plate as plus
Termination 14 is carried, loading termination 14 is connected with the loading connector bolt of loading attachment means 2.
Using the method that loading frame carries out shear wall Experimental Study on Seismic Behavior is tested described in the present embodiment, enter in the steps below
OK：
A. according to test requirements document design and processing and fabricating anti-lateral displacement component 1, loading attachment means 2 and the wall erection of steel work 3；
B. the fixed steelframe 4 in anti-lateral displacement component 1 is fixed on the ground by ground anchor bolt, direction loads with actuator
Direction is vertical, and then the one end of anti-lateral displacement pull bar 5 is hinged in the unidirectional hinge 19 on fixed steelframe 4；
C. shear wall test specimen 20 is lifted in place and is fixed, then the flange and wall by being welded on shear wall test specimen 20
The flange 15 welded on the erection of steel work 3 is positioned to the wall erection of steel work 3, it is determined that carrying out bolt company with shear wall test specimen floor
The bolt hole position on horizontal fixation steel plate 17 for connecing, and made marks on shear wall test specimen floor；Then again by wall steelframe
Device 3 is unloaded, and the mark on shear wall test specimen floor beats through hole with impact drill；The wall erection of steel work 3 is hung again finally
Dress is in place, the connection short column 12 of the bottom of steelframe wall 9 is deep into the reserved circle of shear wall test specimen floor together with circular steel plate 13
In shape hole；It is connected with shear wall test specimen floor by horizontal fixation steel plate 17, flange 15, by vertical fixation steel plate 16
Unidirectional hinge 19 is realized being hinged with the other end of anti-lateral displacement pull bar 5；
D. grouting material is filled into the reserved circular opening of shear wall test specimen floor, realizes connection short column 12 and shear wall
The connection of test specimen 20, and ensure the Shear transfer between shear wall test specimen 20 and the wall erection of steel work 3；
E. jack 11 is placed into jack draw-in groove 18, then shear wall test specimen 20 is applied with pull bar by reaction plate
Axial compressive force；
F. low cyclic loading experiment is carried out to shear wall test specimen 20 by controlling MTS actuator.
The above, is only present pre-ferred embodiments, not makees any formal limitation to invention.It is every according to
Any simple modification, equivalent variations and the modification made to above example according to technical spirit of the invention, belong to the present invention
Protection domain.
Claims (8)
1. a kind of detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, including anti-lateral displacement component（1）, loading connection dress
Put（2）, the wall erection of steel work（3）, it is characterised in that：Anti-lateral displacement component（1）Including a fixed steelframe（4）With two anti-lateral displacements
Pull bar（5）, anti-lateral displacement pull bar（5）Two ends respectively with fixed steelframe（4）With the wall erection of steel work（3）In steelframe wall pole
（10）It is hinged；The wall erection of steel work（3）Including loading beam（8）, steelframe wall（9）, steelframe wall pole（10）, steelframe wall
（9）Both sides set diagonal-bracing type steelframe wall pole（10）, steelframe wall pole（10）Bottom and steelframe wall（9）Bottom respectively with
Shear wall test specimen floor is fixedly connected, steelframe wall（9）The upper square steel tube support body by its openwork part places jack（11）,
Steelframe wall（9）Loading beam is fixed on top（8）And by loading beam（8）The loading termination of end（14）With loading attachment means
（2）Connection.
2. it is according to claim 1 it is detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, it is characterised in that：Gu
Determine steelframe（4）Two row's truss being welded into by double-deck channel-section steel, two square steel tubes being welded between two row's truss are constituted, two row purlins
Frame is fixed on the ground by ground anchor bolt, and fixation steel plate is passed through on two square steel tubes（6）Interval is installed by two hinged seats, anti-side
Move pull bar（5）One end is hinged with described hinged seat, and the hinged seat is to make anti-lateral displacement pull bar（5）Only can be along actuator loading direction
The unidirectional hinge of one-directional rotation（19）；Anti-lateral displacement pull bar（5）The other end be equally hinged unidirectional hinge described in one（19）, anti-lateral displacement
Pull bar（5）By described unidirectional hinge（19）With the wall erection of steel work（3）In steelframe wall pole（10）It is hinged.
3. it is according to claim 2 it is detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, it is characterised in that：Steel
Frame wall pole（10）It is square steel tube, steelframe wall pole（10）Top and steelframe wall（9）Square steel tube support body be welded and fixed,
Steelframe wall pole（10）Bottom is respectively welded vertical fixation steel plate（16）With horizontal fixation steel plate（17）, vertical fixation steel plate
（16）With unidirectional hinge（19）Base steel plate（7）Bolt connection；Horizontal fixation steel plate（17）By on shear wall test specimen floor
Through hole and shear wall test specimen floor bolt connection.
4. it is according to claim 1 it is detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, it is characterised in that：Steel
Frame wall（9）Main body be square steel tube support body, square steel tube support body is welded by square steel tube with steel plate, by square steel tube irrigate
C60 self-compacting concretes are irrigated between grouting material, square steel tube and steel plate and forms steelframe wall（9）, square steel tube support body bottom two ends
Welded flange（15）, steelframe wall（9）By flange（15）It is connected with the flange bolt welded on shear wall test specimen floor.
5. it is according to claim 4 it is detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, it is characterised in that：Side
Steel pipe support body lower weld has two short steel pipes, and steelframe wall is formed by irrigating grouting material in two short steel pipes（9）Bottom
Two connection short columns（12）, connect short column（12）Bottom welding has circular steel plate（13）, connect short column（12）Bottom is together with circle
Steel plate（13）It is deep into the reserved circular opening of shear wall test specimen floor, and by irrigating grouting material and shear wall test specimen（20）
Connection.
6. it is according to claim 1 it is detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, it is characterised in that：Steel
Frame wall（9）Square steel tube support body on weld jack draw-in groove（18）, jack（11）It is placed on jack draw-in groove（18）In, thousand
Jin top（11）Configuration reaction plate, by reaction plate and pull bar to shear wall test specimen（20）Apply axle power.
7. it is according to claim 1 it is detachable recycling shear wall Experimental Study on Seismic Behavior loading frame, it is characterised in that：Plus
Carrier beam（8）It is the square steel tube being welded at the top of square steel tube support body, loads termination（14）To be welded on the connection steel of square steel pipe end
Plate, loads termination（14）With loading attachment means（2）Loading connector bolt connection.
8. a kind of detachable recycling shear wall Experimental Study on Seismic Behavior loading frame as described in claim 1 to 7 any one
Test method, it is characterised in that carry out in the steps below：
A. according to test requirements document design and processing and fabricating anti-lateral displacement component（1）, loading attachment means（2）With the wall erection of steel work
（3）；
B. by anti-lateral displacement component（1）In fixed steelframe（4）Fixed on the ground by ground anchor bolt, direction loads with actuator
Direction is vertical, then by anti-lateral displacement pull bar（5）One end is hinged on fixed steelframe（4）On unidirectional hinge（19）On；
C. by shear wall test specimen（20）Lifting is in place and fixed, then by shear wall test specimen（20）The flange and wall of upper welding
The erection of steel work（3）The flange of upper welding（15）To the wall erection of steel work（3）Positioned, it is determined that being carried out with shear wall test specimen floor
Bolted horizontal fixation steel plate（17）On bolt hole position, and made marks on shear wall test specimen floor；Then again will
The wall erection of steel work（3）Unload, the mark on shear wall test specimen floor beats through hole with impact drill；Finally again by wall steel
Rack device（3）Lifting is in place, makes steelframe wall（9）The connection short column of bottom（12）Together with circular steel plate（13）It is deep into shear wall
In the reserved circular opening of test specimen floor；By horizontal fixation steel plate（17）, flange（15）It is connected with shear wall test specimen floor, is led to
Cross vertical fixation steel plate（16）On unidirectional hinge（19）Realize and anti-lateral displacement pull bar（5）The other end is hinged；
D. grouting material is filled into the reserved circular opening of shear wall test specimen floor, realizes connection short column（12）Tried with shear wall
Part（20）Connection, and ensure shear wall test specimen（20）With the wall erection of steel work（3）Between Shear transfer；
E. by jack（11）It is placed into jack draw-in groove（18）It is interior, then by reaction plate and pull bar to shear wall test specimen（20）Apply
Plus axial compressive force；
F. by controlling MTS actuator to shear wall test specimen（20）Carry out low cyclic loading experiment.
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| CN105259020A (en) * | 2015-11-20 | 2016-01-20 | 天津大学 | Seismic performance test loading device for shear wall under combined action of pulling, bending and shearing |
| CN105258890A (en) * | 2015-11-20 | 2016-01-20 | 天津大学 | Device for testing anti-seismic performance of shear wall under tension, bending and shear composite action |
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| CN106969978B (en) * | 2017-05-16 | 2023-06-09 | 华北理工大学 | Axial tension test device under constraint action and test method thereof |
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| CN109580265A (en) * | 2018-11-22 | 2019-04-05 | 北京建筑大学 | A kind of I-shaped wall pseudo-static experimental loading frame and its application method |
| CN109959508A (en) * | 2019-05-08 | 2019-07-02 | 深圳市置华机电设备有限公司 | A kind of building aseismicity device for detecting performance and its application method |
| CN110514379B (en) * | 2019-08-30 | 2021-10-01 | 华北理工大学 | Light steel frame type composite wall structure anti-seismic performance testing device |
| CN110940575B (en) * | 2019-12-02 | 2022-07-12 | 西安航天动力测控技术研究所 | Multifunctional shear force loading tool for static test |
| CN111256931A (en) * | 2020-02-26 | 2020-06-09 | 寇引霞 | Steel frame shock resistance detection equipment and detection method |
| CN114279667B (en) * | 2022-03-07 | 2022-07-12 | 成都理工大学 | Pseudo-static anti-seismic testing device and method for wallboard joint |
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