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 PDF

Info

Publication number
CN110361275A
CN110361275A CN201910618475.XA CN201910618475A CN110361275A CN 110361275 A CN110361275 A CN 110361275A CN 201910618475 A CN201910618475 A CN 201910618475A CN 110361275 A CN110361275 A CN 110361275A
Authority
CN
China
Prior art keywords
counter
force
shear wall
wall
bolt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910618475.XA
Other languages
Chinese (zh)
Inventor
舒赣平
杜二峰
秦颖
韩建红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201910618475.XA priority Critical patent/CN110361275A/en
Publication of CN110361275A publication Critical patent/CN110361275A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0005Repeated or cyclic
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/006Crack, flaws, fracture or rupture
    • G01N2203/0062Crack or flaws
    • G01N2203/0066Propagation 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

A kind of shear wall shock test device and its application method
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.
CN201910618475.XA 2019-07-10 2019-07-10 A kind of shear wall shock test device and its application method Pending CN110361275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910618475.XA CN110361275A (en) 2019-07-10 2019-07-10 A kind of shear wall shock test device and its application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910618475.XA CN110361275A (en) 2019-07-10 2019-07-10 A kind of shear wall shock test device and its application method

Publications (1)

Publication Number Publication Date
CN110361275A true CN110361275A (en) 2019-10-22

Family

ID=68218508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910618475.XA Pending CN110361275A (en) 2019-07-10 2019-07-10 A kind of shear wall shock test device and its application method

Country Status (1)

Country Link
CN (1) CN110361275A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111272582A (en) * 2019-12-09 2020-06-12 中国建筑股份有限公司 System and method for testing structure one-way compression shear static force
CN112964542A (en) * 2021-02-19 2021-06-15 西安石油大学 Lateral support type coupled shear wall low-cycle reciprocating test device
CN113109146A (en) * 2021-03-24 2021-07-13 浙江工业大学 Design method for upgrading plane loading frame system into space loading system
CN113218685A (en) * 2021-04-25 2021-08-06 同济大学 Loading test device for in-plane and out-plane coupling of structural wall member
CN113252269A (en) * 2021-05-12 2021-08-13 中国矿业大学 Multi-dimensional space self-balancing loading system in mobile high-temperature coupling environment
CN113567274A (en) * 2021-07-21 2021-10-29 同济大学 Single-side loading type large-scale compression-shear-bending composite loading test device and application thereof
CN113567273A (en) * 2021-07-21 2021-10-29 同济大学 Double-side loading type large-scale compression-shear-bending composite multifunctional loading test device and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111272582A (en) * 2019-12-09 2020-06-12 中国建筑股份有限公司 System and method for testing structure one-way compression shear static force
CN112964542A (en) * 2021-02-19 2021-06-15 西安石油大学 Lateral support type coupled shear wall low-cycle reciprocating test device
CN112964542B (en) * 2021-02-19 2022-07-08 西安石油大学 Lateral support type coupled shear wall low-circumference reciprocating test device
CN113109146A (en) * 2021-03-24 2021-07-13 浙江工业大学 Design method for upgrading plane loading frame system into space loading system
CN113218685A (en) * 2021-04-25 2021-08-06 同济大学 Loading test device for in-plane and out-plane coupling of structural wall member
CN113218685B (en) * 2021-04-25 2022-06-28 同济大学 Loading test device for planar internal and external coupling of structural wall member
CN113252269A (en) * 2021-05-12 2021-08-13 中国矿业大学 Multi-dimensional space self-balancing loading system in mobile high-temperature coupling environment
CN113252269B (en) * 2021-05-12 2022-07-19 中国矿业大学 Multi-dimensional space self-balancing loading system in mobile high-temperature coupling environment
CN113567274A (en) * 2021-07-21 2021-10-29 同济大学 Single-side loading type large-scale compression-shear-bending composite loading test device and application thereof
CN113567273A (en) * 2021-07-21 2021-10-29 同济大学 Double-side loading type large-scale compression-shear-bending composite multifunctional loading test device and method

Similar Documents

Publication Publication Date Title
CN110361275A (en) A kind of shear wall shock test device and its application method
Elgaaly Thin steel plate shear walls behavior and analysis
CN102493360B (en) Reinforced concrete arch bridge construction method
CN107012949B (en) A kind of method for improving of large-span steel vestibule
CN1995571B (en) Built-in steel truss concrete combined huge size beam column frame and its manufacture method
CN104895191B (en) Steel structure anti-seismic energy consumption lateral force resisting system and design method
CN111379334B (en) Node connecting device of square steel tube concrete column and steel beam
Wang et al. Seismic behavior of blind bolted end plate composite joints to CFTST columns
Massumi et al. Strengthening of low ductile reinforced concrete frames using steel X-bracings with different details
CN108088736A (en) Sub-structural test loading device
CN106906748A (en) Based on the construction method for mixing prestressed assembled corrugated steel web plate composite box girder
CN201254694Y (en) Combination bridge deck
CN101012636A (en) Steel concrete combined bridge front panel
Vidjeapriya et al. Performance of exterior precast concrete beam-column dowel connections under cyclic loading
CN210322639U (en) Shear force wall shock resistance test device
CN103410102A (en) H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof
CN206828969U (en) A kind of high pier stud bearing platform counter-force prepressing device
Hassan et al. Behavior of concentrically loaded CFT braces connections
Baran et al. Seismic strengthening of reinforced concrete frames by precast concrete panels
CN211922979U (en) Novel H roof beam-post connected node structure
CN209760139U (en) All-steel wharf structure
CN201016187Y (en) Built-in steel truss concrete combined giant-scale beam-column framework
CN207908147U (en) Large-tonnage space six degree of freedom loading system
CN206219990U (en) A kind of pier support assembled prepressing device high
Miao et al. Seismic behavior of concrete-filled square steel tubular column-to-beam connections with through diaphragm

Legal Events

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