CN110361275A - A kind of shear wall shock test device and its application method - Google Patents
A kind of shear wall shock test device and its application method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 230000035939 shock Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 238000013480 data collection Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- 239000012530 fluid Substances 0.000 claims description 22
- 239000004567 concrete Substances 0.000 claims description 17
- 239000011888 foil Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 5
- 238000012935 Averaging Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
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- 210000001015 abdomen Anatomy 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
- G01N2203/0066—Propagation of crack
Abstract
The invention discloses a kind of shear wall shock test device and its application method, experimental rig includes counter-force place, four column self-balancing rigid frames, triangle counter-force rigid frame, load crossbeam, vertical loading device, horizontal loading apparatus, data collection system and control system etc..The counter-force place includes counter force wall, counter-force terrace and basement；The four columns self-balancing rigid frame is made of top beam, four columns and bottom beam, and the vertical loading device is mounted on the top beam bottom of four column self-balancing rigid frames, applies vertical load to shear wall test specimen by load crossbeam；The horizontal loading apparatus is separately mounted on counter force wall and triangle counter-force rigid frame, applies low week horizontal reciprocating load to shear wall test specimen by load crossbeam；The data collection system is used to acquire power, displacement and the strain of each measuring point；The control system is for controlling jack and hydraulic servo actuator.The low week reciprocal shock test of shear wall that can complete horizontal single-headed maximum 5000kN using the present apparatus.
Description
Technical field
The invention belongs to structural clays and detection technique field, and in particular to a kind of shear wall shock test device and
Its application method.
Background technique
In building structure, shear wall is primarily subjected to the horizontal loading as caused by wind load or geological process, while also holding
Vertical load caused by receiving superstructure and being self-possessed, shock resistance and vertical bearing capacity play safely important work to structure
With, it is therefore desirable to it is furtherd investigate.
Structural test technology is research structure performance, development structure computational theory, research and development new material, new construction and new construction
The important means of technique has great progradation to the development of civil engineering subject and key project construction.Experimental rig is examination
It tests and studies most basic technology guarantee, generally include loading device system and counterforce device system two large divisions, wherein load dress
System is set for being further applied load to test model, counterforce device system is transmitted to loading device after being used for blance test model load-bearing
Counter-force, while reliable boundary condition is provided for loading device and test model.
In order to really reflect the actual forced status and deformation behaviour of structure, scantling and material property etc. are eliminated
Influence to test result, experimental study should use prototype as far as possible.In practical structures, the height of every story shear wall is usual
For 2700-3000mm, width is typically larger than 1500mm, therefore it is required that experimental rig need to have enough load spaces and load energy
Power.
However there are larger limitations for existing experimental rig, it is difficult to meet above-mentioned requirements, such as: long column pressure common at present
Power machine maximum load ability is about 10000kN, but it loads space and subjects are all extremely limited；Currently used gate-type is anti-
Though power rigid frame has biggish load space, its vertical load capability is no more than 20000kN mostly, and rigid frame column must be into
The reliable anchoring of row, it is more demanding to using area；Currently used pressure-shear test machine can carry out the shearing under larger pressure effect
Test, but its load space is limited, and subjects are also limited to the components such as rubber support.Therefore, research and development have load energy enough
Power and load space, realize the experimental rig of full size shear wall anti-seismic performance, and the research and application to novel shear wall have weight
Big meaning.
Summary of the invention
To solve the above problems, the invention discloses a kind of shear wall shock test device and its application method, test dress
It sets with larger load capability and load space, design is rationally, easy to use, can complete cutting for horizontal single-headed maximum 5000kN
The low week reciprocal shock test of power wall.
In order to achieve the above objectives, technical scheme is as follows:
A kind of shear wall shock test device, including counter-force place, four column self-balancing rigid frames, triangle counter-force rigid frame, it is vertical plus
It carries and sets, horizontal loading apparatus, loads crossbeam, data collection system and control system；
The counter-force place includes counter force wall, counter-force terrace and basement three parts；The counter force wall is mixed using double limb reinforcing bars
Soil shear wall structure is coagulated, is provided with equidistant anchor hole in wall limb；Counter-force terrace uses prestressed reinforced concrete structure, is provided on terrace
Equidistant anchor hole；It is basement below counter-force terrace, the counter force wall, counter-force terrace and basement formed by integrally casting form；
The four columns self-balancing rigid frame includes four columns, a top beam and a foundation beam；Four column bottoms are welded respectively
It connects on bottom beam four corners；Edge of a wing top is provided with several bolts hole on the inside of four columns, and the top beam is by bolt and stands
The edge of a wing is connected on the inside of column；
The counter force wall is vertically arranged in one upper side of counter-force terrace, and the triangle counter-force rigid frame setting is another in counter-force terrace
Upper side, shear wall test specimen are arranged between triangle counter-force rigid frame and counter force wall；
The load crossbeam is arranged below top beam, and load crossbeam is fixed on above shear wall test specimen；
The vertical loading device includes the jack and horizontal sliding support for the first hydraulic fluid system that connects, the horizontal sliding
Support is fixed below the top beam, and the jack is placed between the horizontal sliding support and the load crossbeam；
The horizontal loading apparatus includes the first hydraulic servo actuator and the second hydraulic servo for the second hydraulic fluid system that connects
Actuator, the first support and the second support；One end of first hydraulic servo actuator passes through the first support and the counter-force
Wall is connected, and the other end of first hydraulic servo actuator is connected by bolt with load crossbeam side；Described second is hydraulic
One end of servo actuator is connected by the second support with the triangle counter-force rigid frame, second hydraulic servo actuator
The other end is connected by bolt with the load crossbeam other side.
The data collection system is acquired respectively by being respectively arranged in the force snesor, displacement meter and foil gauge of each measuring point
Power, displacement and strain data；The control system controls jack and hydraulic servo actuator by equipment built-in element.
Preferably, the triangle counter-force rigid frame is made of two panels rigid frame, wherein every rigid frame include vertical bar, brace,
Beam, horizontal web member and diagonal web member, the vertical bar, brace, ground beam constitute a closed triangular structure of right angle, horizontal web member and oblique abdomen
Bar is arranged in triangle, and each component part is connected by welding, and two panels rigid frame is connected by connecting rod, and solid by anchor pole
It is scheduled on counter-force terrace.
Preferably, lateral support is set between the column of the four columns self-balancing rigid frame, and can moves up and down as needed.
Preferably, first level steel structure, triangle counter-force are set between the counter force wall and four column self-balancing rigid frames
The second horizontal restraint girder steel is set between rigid frame and four column self-balancing rigid frames.
Preferably, the bottom beam and top beam are variable cross-section profiled beam.Bottom beam is in I-shaped structure, and bottom beam top flange is provided with spiral shell
Keyhole, for installing shear wall test specimen.Top beam both ends are equipped with steel plate, are provided with bolt hole on steel plate, pass through high-strength bolt and four
The edge of a wing is connected on the inside of root post, and can be moved up and down according to shear wall height of specimen to meet load needs.
Preferably, it is all welded with ribbed stiffener every a certain distance between the upper lower flange of the column, bottom beam and top beam, be used for
Enhance local bearing capacity.
Preferably, the load crossbeam is to weld double web H section steel beams, and load crossbeam two sides are welded with connection end respectively,
The first hydraulic servo actuator and the second hydraulic servo actuator can be bolted.The both ends of load crossbeam are welded with side respectively
Plate can be used for applying flat out of plane constraint.
Preferably, every wall limb of the counter force wall is with a thickness of 1m.
Preferably, the counter-force terrace is with a thickness of 1m.
Preferably, the basement is separated by the cross wall of thickness 200mm and vertical wall, basement clear height 3m.
Preferably, the first hydraulic fluid system, data collection system and control system are placed on counter-force terrace, described
Second hydraulic fluid system is arranged in basement.
A method of shear wall test specimen low week reciprocal shock test is carried out using above-mentioned apparatus, comprising the following steps:
1) bottom plate of shear wall test specimen is fixed on bottom beam top surface with bolt；
2) it is fixed on the top plate of shear wall test specimen with bolt by crossbeam is loaded；
3) top beam is moved to by suitable position according to the height of shear wall test specimen and is fixed in column by high-strength bolt
Side wing edge；
4) sliding support is fixed below top beam；
5) jack for being connected with the first hydraulic fluid system is placed between sliding support and load crossbeam；
6) first level steel structure one end is connected with counter force wall by anchor bolt, it is by bolt that first level steel structure is another
One end is connected with bottom beam；Second horizontal restraint girder steel one end is connected with the triangle counter-force rigid frame by bolt, passes through spiral shell
The second horizontal restraint girder steel other end is connected by bolt with the bottom beam；
7) one end of the first hydraulic servo actuator is connected by the first support with counter force wall, by the first hydraulic servo actuator
The other end by bolt with load crossbeam be connected；One end of second hydraulic servo actuator is passed through into the second support and triangle
Counter-force rigid frame is connected, and the other end of the second hydraulic servo actuator is connected by bolt with load crossbeam；
8) horizontal displacement meter that measurement plane internal deformation is arranged in shear wall side newel post's upper, middle and lower, along metope quadrangle diagonal line cloth
Set the shear-deformable across displacement meter of measurement wall；In the surface of steel plate of double steel plate combined concrete shear wall, armored concrete
The inside reinforcing bar and concrete surface of shear wall arrange foil gauge, and displacement meter and foil gauge are connected to data collection system；
9) lateral support is mounted on relative to the inside edge of a wing at the height of shear wall test specimen middle and upper part by bolt by column；
10) the first hydraulic fluid system of starting applies certain vertical load, and synchronous averaging by jack pair shear wall test specimen
Data collection system acquisition displacement and strain；
11) opening control sets loading procedure, starts the second hydraulic fluid system, watches by the way that control system control first is hydraulic
It takes actuator and the second hydraulic servo actuator and tension and compression cyclic load is applied to shear wall test specimen；
12) during testing, for double steel plate combined concrete shear wall test specimen, the form and wall of steel plate local buckling are observed
The feature integrally destroyed；For concrete shear force wall test specimen, the development process and width and wall for observing crack are integrally destroyed
Feature.
The beneficial effects of the present invention are:
The present invention provides device and application method that one kind can preferably carry out shear wall shock test, experimental rig has
Larger load capability and load space, rationally, the shear wall low week that can complete horizontal single-headed maximum 5000kN is reciprocal anti-for design
Shake test.The present invention improves the precision and efficiency of shear wall shock test, realizes the reciprocal antidetonation examination of full size shear wall low week
The demand tested.
Detailed description of the invention
Fig. 1 is the reciprocal shock test schematic device of shear wall of the invention；
Fig. 2 is four columns self-balancing rigid frame schematic diagram of the present invention；
Fig. 3 is the bottom beam schematic diagram of four columns self-balancing rigid frame of the present invention；
Fig. 4 is the top beam schematic diagram of four columns self-balancing rigid frame of the present invention；
Fig. 5 is triangle counter-force rigid frame schematic diagram of the present invention；
Fig. 6 is load crossbeam schematic diagram of the present invention.
Description of symbols:
1- counter-force place；11- counter force wall；12- counter-force terrace；13- basement；Tetra- column self-balancing rigid frame of 2-；21- column, the top 22-
Beam；23- bottom beam；24- steel plate；3- triangle counter-force rigid frame；31- vertical bar；32- brace；33- ground beam；The horizontal web member of 34-；The oblique abdomen of 35-
Bar；4- vertical loading device；41- the first hydraulic fluid system；42- jack；The horizontal sliding support of 43-；5- horizontal addload dress
It sets；51- the second hydraulic fluid system；The first hydraulic servo actuator of 52-；The second hydraulic servo actuator of 53-；The first support of 54-；
The second support of 55-；6- loads crossbeam；61- connection end；62- side plate；7- lateral support；8- first level steel structure；9-
Two horizontal restraint girder steels；10- shear wall test specimen.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
As shown, the shear wall shock test device of the present embodiment include: counter-force place 1, four column self-balancing rigid frames 2,
Triangle counter-force rigid frame 3, vertical loading device 4, horizontal loading apparatus 5, load crossbeam 6, lateral support 7, first level constraint
Girder steel 8, the second horizontal restraint girder steel 9, data collection system and control system.
Counter-force place 1 is made of counter force wall 11, counter-force terrace 12 and basement 13.12 thickness 1m of counter-force terrace is deformed bar
Concrete structure, the basis as four column self-balancing rigid frames 2 and triangle counter-force rigid frame 3.Counter-force terrace 12 is reserved with spacing
The anchor hole of 500mm, for fixing four column self-balancing rigid frames 2 and triangle counter-force rigid frame 3.Counter force wall 11 is double limb armored concrete
Shear wall structure, every wall limb thickness 1m, is provided with equidistant anchor hole thereon, reciprocal anti-for low week for fixing horizontal loading apparatus 5
Shake test provides counter-force.13 clear height 3m of basement is separated into cell by the cross wall and vertical wall of thickness 200mm.
As shown in Figure 2, Figure 3 and Figure 4, four columns self-balancing rigid frame 2 of the present invention includes four columns, 21, top beams
22 and a foundation beam 23, there is steel plate to be welded, steel material Q345B.The section of four columns 21 is box, section
Size is identical, wide and high respectively 1600mm and 800mm.Four 21 bottoms of column are respectively welded in 23 four corners of bottom beam
Face.Bottom beam 23 and top beam 22 are variable cross-section profiled beam.Bottom beam 23 is 1200mm high, and top plan view is in I-shaped.23 upper limb of bottom beam
Edge is provided with bolt hole, for installing shear wall test specimen.The top surface of bottom beam 23 uses bead, for realizing high-strength bolt friction
Type connection.22 height of top beam is also 1200mm, and the steel plate of high 2600mm, width 1800mm, steel plate are contained in the two sides at both ends respectively
On be provided with bolt hole, be connected by high-strength bolt with the 21 inside edge of a wing of four columns, and can be according to the height of shear wall test specimen 10
It moves up and down to meet load needs.It is all welded between column 21, bottom beam 23 and the upper lower flange of top beam 22 every a certain distance
Ribbed stiffener, for enhancing local bearing capacity.
As shown in figure 5, triangle counter-force rigid frame 3 is made of two panels rigid frame, wherein every rigid frame includes vertical bar 31, brace
32, ground beam 33, horizontal web member 34, diagonal web member 35, each component part are connected by welding, and two panels rigid frame is linked to be one by connecting rod 36
Body.Vertical bar 31 is 5050mm high, is provided with bolt hole on the outer edge of a wing, for connecting horizontal loading apparatus 5.Ground beam 33 is 2900mm long,
It is provided with anchor hole thereon, is fixed on counter-force terrace 12 by anchor pole.
As shown in Figure 1, vertical loading device 4 includes the jack 42 and level sliding branch for the first hydraulic fluid system 41 that is connected with
Seat 43.Horizontal sliding support 43 is bolted on the lower flange of top beam 22, and jack 42 places horizontal 43 He of sliding support
It loads between crossbeam 6.
As shown in Figure 1, horizontal loading apparatus 5 includes the first hydraulic servo actuator 52 of the second hydraulic fluid system 51 that is connected with
With the second hydraulic servo actuator 53, the first support 54 and the second support 55.Second hydraulic fluid system 51 is placed on basement 13
Interior, the first support 54 is by the way that on the fixed counter force wall 11 of anchor pole, the second support 55 is bolted on triangle counter-force rigid frame 3
On.According to the height of shear wall test specimen 10, the first support 54 and the second support 55 can be respectively in counter force walls 11 and triangle counter-force
It is moved on rigid frame 3.One end of first hydraulic servo actuator 52 is connected by bolt with the first support 54, and the first hydraulic servo is made
The other end of dynamic device 52 is connected by bolt with load crossbeam 6.One end of second hydraulic servo actuator 53 passes through bolt and the
Two supports 55 are connected, and the other end of the second hydraulic servo actuator 53 is connected by bolt with load crossbeam 6.Lateral support 7 is
Welded H section steel beam, beam length 3500mm, wide and high cross section is 200mm, steel material Q345B.The both ends of lateral support 7
It is provided with bolt hole, the 21 inside edge of a wing of column is mounted on by bolt, for preventing shear wall test specimen 10 is counter suddenly from giving birth to biggish put down
Out-of-plane deformation, lateral support 7 can move up and down as needed.First level steel structure 8 is to weld double web H section steel beams,
One end is welded with connection board, is connected by anchor bolt with counter force wall 1, and 8 other end of first level steel structure is welded with otic placode, passes through spiral shell
Bolt is connected with bottom beam 23；Second horizontal restraint girder steel 9 is welded H section steel beam, and one end is also welded with connection board, by bolt with
Triangle counter-force rigid frame 3 is connected, and 9 other end of the second horizontal restraint girder steel is also welded with otic placode, is connected by bolt with bottom beam 23.
As shown in fig. 6, load crossbeam 6 is to weld double web H section steel beams, beam length 3060mm, cross section is wide and high to be respectively
750mm and 550mm, steel material Q345B.Load 6 both ends of crossbeam are welded with connection end 61 respectively, can be bolted the
One hydraulic servo actuator 52 and the second hydraulic servo actuator 53.The both ends two sides of load crossbeam 6 are welded with side plate 62 respectively, can
For applying flat out of plane constraint.
Data collection system is integrated with power, displacement, stress and strain data acquisition and processing (DAP) device, each by being respectively arranged in
Force snesor, displacement meter and the foil gauge of measuring point acquire power, displacement and strain data respectively.Control system passes through member built in equipment
Part controls jack and hydraulic servo actuator.
The application method that shear wall test specimen low week reciprocal shock test is carried out using above-mentioned shear wall shock test device, is led to
Cross following steps realization:
The bottom plate of shear wall test specimen 10 is fixed on 23 top surface of bottom beam with bolt by the first step；
Second step is fixed on the top plate of shear wall test specimen 10 with bolt by crossbeam 6 is loaded；
Top beam 22 is moved to suitable position according to the height of shear wall test specimen 10 and is fixed by high-strength bolt by third step
On the 21 inside edge of a wing of column；
Sliding support 43 is fixed on 22 lower section of top beam by the 4th step；
The jack 42 for being connected with the first hydraulic fluid system 41 is placed between sliding support 43 and load crossbeam 6 by the 5th step；
8 one end of first level steel structure is connected by the 6th step by anchor bolt with counter force wall 1, by bolt by first level about
8 other end of Shu Gangliang is connected with bottom beam 23；By bolt by 9 one end of the second horizontal restraint girder steel and the triangle counter-force rigid frame
3 are connected, and 9 other end of the second horizontal restraint girder steel is connected with the bottom beam 23 by bolt；
First support 54 is fixed on counter force wall 11 by the 7th step using anchor bolt, by bolt by the first hydraulic servo actuator
52 one end is connected with the first support 54, and the other end of the first hydraulic servo actuator 52 is passed through bolt and load 6 phase of crossbeam
Even；The second support 55 is fixed in the two root posts of triangle counter-force rigid frame 3 using bolt, hydraulic is watched by bolt by second
The one end for taking actuator 53 is connected on the second support 55, and the other end of the second hydraulic servo actuator 53 by bolt and is added
Crossbeam 6 is carried to be connected；
8th step, the horizontal displacement meter of newel post's upper, middle and lower arrangement measurement plane internal deformation in shear wall side, along metope quadrangle pair
The shear-deformable across displacement meter of linea angulata arrangement measurement wall；In the surface of steel plate of double steel plate combined concrete shear wall, reinforcing bar
The inside reinforcing bar and concrete surface of concrete shear force wall arrange foil gauge, and displacement meter and foil gauge are connected to data acquisition
System；
Lateral support 7 is mounted on column 21 relative at 10 middle and upper part height of shear wall test specimen by bolt by the 9th step
Side wing edge；
Tenth step, the first hydraulic fluid system 41 of starting apply certain vertical load to shear wall test specimen 10 by jack 42,
And the acquisition of synchronous averaging data collection system is displaced and strain；
11st step, opening control set loading procedure, start the second hydraulic fluid system 51, pass through control system control the
One hydraulic servo actuator 52 and the second hydraulic servo actuator 53 apply tension and compression cyclic load to shear wall test specimen 10；
12nd step during test, for double steel plate combined concrete shear wall test specimen, observes the form of steel plate local buckling
The feature integrally destroyed with wall；For concrete shear force wall test specimen, observe crack development process and width and wall it is whole
The feature that body destroys.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (9)
1. a kind of shear wall shock test device, it is characterised in that: anti-including counter-force place, four column self-balancing rigid frames, triangle
Power rigid frame, vertical loading device, horizontal loading apparatus, load crossbeam, data collection system and control system；
The counter-force place includes counter force wall, counter-force terrace and basement three parts；The counter force wall is mixed using double limb reinforcing bars
Soil shear wall structure is coagulated, is provided with equidistant anchor hole in wall limb；Counter-force terrace uses prestressed reinforced concrete structure, is provided on terrace
Equidistant anchor hole；It is basement below counter-force terrace, the counter force wall, counter-force terrace and basement formed by integrally casting form；
The four columns self-balancing rigid frame includes four columns, a top beam and a foundation beam；Four column bottoms are welded respectively
It connects on bottom beam four corners；Edge of a wing top is provided with several bolts hole on the inside of four columns, and the top beam is by bolt and stands
The edge of a wing is connected on the inside of column；
The counter force wall is vertically arranged in one upper side of counter-force terrace, and the triangle counter-force rigid frame setting is another in counter-force terrace
Upper side, shear wall test specimen are arranged between triangle counter-force rigid frame and counter force wall；
The load crossbeam is arranged below top beam, and load crossbeam is fixed on above shear wall test specimen；
The vertical loading device includes the jack and horizontal sliding support for the first hydraulic fluid system that connects, the horizontal sliding
Support is fixed below the top beam, and the jack is placed between the horizontal sliding support and the load crossbeam；
The horizontal loading apparatus includes the first hydraulic servo actuator and the second hydraulic servo for the second hydraulic fluid system that connects
Actuator, the first support and the second support；One end of first hydraulic servo actuator passes through the first support and the counter-force
Wall is connected, and the other end of first hydraulic servo actuator is connected by bolt with load crossbeam side；Described second is hydraulic
One end of servo actuator is connected by the second support with the triangle counter-force rigid frame, second hydraulic servo actuator
The other end is connected by bolt with the load crossbeam other side；
The data collection system acquires power, position by being respectively arranged in the force snesor, displacement meter and foil gauge of each measuring point respectively
Shifting and strain data；The control system controls jack and hydraulic servo actuator by equipment built-in element.
2. a kind of shear wall shock test device according to claim 1, it is characterised in that: the triangle counter-force rigid frame
Be made of two panels rigid frame, wherein every rigid frame includes vertical bar, brace, ground beam, horizontal web member and diagonal web member, the vertical bar, brace,
Beam constitutes a closed triangular structure of right angle, and horizontal web member and diagonal web member are arranged in triangle, and each component part passes through weldering
Connect connected, two panels rigid frame is connected by connecting rod, and is fixed on counter-force terrace by anchor pole.
3. a kind of shear wall shock test device according to claim 1, it is characterised in that: the four columns self-balancing rigid frame
Column between lateral support is set.
4. a kind of shear wall shock test device according to claim 1, it is characterised in that: the counter force wall and four columns are certainly
It balances and first level steel structure is set between rigid frame, the second water is set between triangle counter-force rigid frame and four column self-balancing rigid frames
Flat steel structure.
5. a kind of shear wall shock test device according to claim 1, it is characterised in that: the bottom beam and top beam are to become
Cross section special-shaped beam, bottom beam are in I-shaped structure, and bottom beam top flange is provided with bolt hole, and top beam both ends are equipped with steel plate, are provided on steel plate
Bolt hole is connected by high-strength bolt with the edge of a wing on the inside of four columns.
6. a kind of shear wall shock test device according to claim 1, it is characterised in that: the column, bottom beam and top
Ribbed stiffener is all welded with every a certain distance between the upper lower flange of beam.
7. a kind of shear wall shock test device according to claim 1, it is characterised in that: the load crossbeam is welding
Double web H section steel beams, load crossbeam two sides are welded with connection end respectively, the first hydraulic servo actuator and the are bolted
Two hydraulic servo actuators, the both ends for loading crossbeam are welded with side plate respectively.
8. a kind of shear wall shock test device according to claim 1, it is characterised in that: first hydraulic fluid system
System, data collection system and control system are placed on counter-force terrace, and the second hydraulic fluid system is set in basement.
9. a kind of method for carrying out shear wall test specimen low week reciprocal shock test using above-mentioned apparatus, comprising the following steps:
1) bottom plate of shear wall test specimen is fixed on bottom beam top surface with bolt；
2) it is fixed on the top plate of shear wall test specimen with bolt by crossbeam is loaded；
3) top beam is moved to by suitable position according to the height of shear wall test specimen and is fixed in column by high-strength bolt
Side wing edge；
4) sliding support is fixed below top beam；
5) jack for being connected with the first hydraulic fluid system is placed between sliding support and load crossbeam；
6) first level steel structure one end is connected with counter force wall by anchor bolt, it is by bolt that first level steel structure is another
One end is connected with bottom beam；Second horizontal restraint girder steel one end is connected with the triangle counter-force rigid frame by bolt, passes through spiral shell
The second horizontal restraint girder steel other end is connected by bolt with the bottom beam；
7) one end of the first hydraulic servo actuator is connected by the first support with counter force wall, by the first hydraulic servo actuator
The other end by bolt with load crossbeam be connected；One end of second hydraulic servo actuator is passed through into the second support and triangle
Counter-force rigid frame is connected, and the other end of the second hydraulic servo actuator is connected by bolt with load crossbeam；
8) horizontal displacement meter that measurement plane internal deformation is arranged in shear wall side newel post's upper, middle and lower, along metope quadrangle diagonal line cloth
Set the shear-deformable across displacement meter of measurement wall；In the surface of steel plate of double steel plate combined concrete shear wall, armored concrete
The inside reinforcing bar and concrete surface of shear wall arrange foil gauge, and displacement meter and foil gauge are connected to data collection system；
9) lateral support is mounted on relative to the inside edge of a wing at the height of shear wall test specimen middle and upper part by bolt by column；
10) the first hydraulic fluid system of starting applies certain vertical load, and synchronous averaging by jack pair shear wall test specimen
Data collection system acquisition displacement and strain；
11) opening control sets loading procedure, starts the second hydraulic fluid system, watches by the way that control system control first is hydraulic
It takes actuator and the second hydraulic servo actuator and tension and compression cyclic load is applied to shear wall test specimen；
12) during testing, for double steel plate combined concrete shear wall test specimen, the form and wall of steel plate local buckling are observed
The feature integrally destroyed；For concrete shear force wall test specimen, the development process and width and wall for observing crack are integrally destroyed
Feature.
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