CN106872277A - A kind of loading device for SCS unit test specimen tensile compression tests - Google Patents
A kind of loading device for SCS unit test specimen tensile compression tests Download PDFInfo
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- CN106872277A CN106872277A CN201710283033.5A CN201710283033A CN106872277A CN 106872277 A CN106872277 A CN 106872277A CN 201710283033 A CN201710283033 A CN 201710283033A CN 106872277 A CN106872277 A CN 106872277A
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
- G01N2203/0019—Compressive
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- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of loading device for SCS unit test specimen tensile compression tests, and it includes：It is respectively arranged at for applying pulling force two horizontal actuator of SCS unit test specimens both sides, one be arranged at the top of SCS unit test specimens for applying stressed vertical actuator, it is arranged at the horizontal loading transmission mechanism between horizontal actuator and SCS unit test specimens, be arranged between vertical actuator and SCS unit test specimens and SCS unit test specimens bottom vertical load transmission mechanism, wherein, load is evenly distributed to test specimen test section in different combinations for horizontal loading transmission mechanism and vertical load transmission mechanism, so as to realize simulating the SCS unit test specimen stresses under complex situations.Provided by the present invention for the loading device of SCS unit test specimen tensile compression tests, multistage load shunting, it is ensured that SCS test specimen unit uniform stresseds.
Description
Technical field
The present invention relates to one kind for SCS (Steel-Concrete-Steel Composite Shear Wall, bilayer
Steel plate concrete filled compound shear wall) unit test specimen tensile compression test loading device.
Background technology
Double steel plate concrete combined structure has turned into the Main way of nuclear power plant room structural development in world wide.And study
The failure criteria of SCS construction units is the prerequisite for carrying out structure design, and current experimental rig can only carry out pure shear and small
The compression-shear test of axial compression ratio, Load Combination is not very comprehensive, is especially the absence of the test data of big compression shear combination.The conclusion for obtaining is only
The SCS combined member bearing capacity formulas under single load or simple loads compound action are provide only, for nuclear power SCS
This overall structure without individual member of structure, it is impossible to meet the requirement of PRACTICE OF DESIGN.This state significantly limit SCS knots
The popularization and application of structure.
The content of the invention
The present invention in view of the shortcomings of the prior art, proposes a kind of loading device for SCS unit test specimen tensile compression tests.
The present invention provides a kind of loading device for SCS unit test specimen tensile compression tests, and it includes：It is respectively arranged at SCS
For applying pulling force two horizontal actuator of unit test specimen both sides, one be arranged at the top of SCS unit test specimens for applying
Stressed vertical actuator, the horizontal loading transmission mechanism being arranged between horizontal actuator and SCS unit test specimens, it is arranged at
The vertical load transmission mechanism of vertical between actuator and SCS unit test specimens and SCS unit test specimens bottom, wherein, horizontal lotus
Carry transmission mechanism and load is evenly distributed to vertical load transmission mechanism test specimen test section in different combinations, so that real
Now simulate the SCS unit test specimen stresses under complex situations.
Preferably, each horizontal loading transmission mechanism includes：Middle part and SCS units test specimen and two ends respectively with two levels
The connected structure-steel framing of actuator, the structure-steel framing is three-level steel beam structure, and some steel plates and/or trapezoidal web panels are passed through per one-level girder steel
By height between the Force transmission partses being welded into, and three-level steel beam structure, between horizontal loading transmission mechanism and horizontal actuator
Strength bolt is connected, and the load that actuator is produced is divided into four parts.
Preferably, the vertical load transmission mechanism includes：Two-stage distribution beam and position at the top of SCS unit test specimens
In the one-level distribution beam and basic platform of SCS unit test specimens bottom.
Preferably, it is equipped with trapezoid cross section rigid pad between the two-stage distribution beam and between distribution beam and basic platform
Block, two parts are divided into by actuator and basic platform counter-force.
Preferably, four roller bearings are provided between the distribution beam and SCS unit test specimens, the lotus that point secondary distribution beam is transmitted
Load is divided into four parts.
Preferably, the horizontal loading transmission mechanism is arranged on basic platform by support beam, and the support beam is the six roots of sensation
Structural I-beam.
Preferably, the SCS units test specimen includes：Test section and the pressure that is arranged at outside test section positioned at center
Transmission mechanism and pulling force transmission mechanism, wherein：Test section includes two blocks of steel plates and setting reinforcing bar and concrete therebetween, mixes
In solidifying soil according to steel plate thickness interval setting peg as test specimen basic framework.
Preferably, the pressure transferred structure and pulling force transmission mechanism arrange in cross, wherein：Pressure transferred structure by
Double steel plate concrete material is constituted, and is provided with along the separation trough for applying force direction, while having buried ten in vertical section
Word steel plate does not occur to ensure destruction in loading zone；Pulling force transmission mechanism is made up of the steel plate for thickening, and is also provided with along applying
Circular opening is left at the separation trough of force direction, two ends, is easy to be connected with a beam of both sides.It is above-mentioned to be configured to ensure that load is passed
It is delivered to the uniformity of SCS unit test specimens test section.
Compared with prior art, the invention has the advantages that：
1st, provided by the present invention for the loading device of SCS unit test specimen tensile compression tests, multistage load shunting, it is ensured that SCS
Test specimen unit uniform stressed：Sufficiently long horizontal loading transmission mechanism and vertical load transmission mechanism transmit load step by step, match somebody with somebody
The separation trough that SCS test specimens unit is set is closed, the uniform stressed of test specimen unit is realized.Experiment stressing conditions and engineering structure
It is consistent, can accurately probes into the mechanical characteristic of SCS construction units.
2nd, provided by the present invention for the loading device of SCS unit test specimen tensile compression tests, independent load path can be simulated
The complicated stressing conditions of SCS test specimens unit：The horizontal addload and vertical load path of SCS test specimen units are separate, can simulate
The Load Combination of different tensile pressure ratios, it is simple to operate effective, it is particularly possible to make up big to SCS unit test specimens in studying both at home and abroad at present
The not enough situation of test data under compression shear stressing conditions.
3rd, provided by the present invention for the loading device of SCS unit test specimen tensile compression tests, unique SCS unit test specimens set
Meter, it is ensured that destruction occurs in test section：Cross steel plate has been buried in the pressure transferred structure of test specimen to avoid transmission mechanism steel plate
Generation flexing, the steel plate simultaneously for pulling force transmission mechanism thicken and strengthen treatment so as to avoid the steel plate of transmission mechanism
Surrendered prior to test section.It is constructed above to ensure that destruction occurs in test section, experimental data accurate and effective.
Brief description of the drawings
Fig. 1 is apparatus of the present invention overall schematic；
Fig. 2 is apparatus of the present invention horizontal loading transmission mechanism schematic diagram；
Fig. 3 is apparatus of the present invention horizontal loading transmission mechanism side view；
Fig. 4 is apparatus of the present invention vertical load transmission mechanism schematic diagram；
Fig. 5 is the SCS unit test specimen schematic diagrames of apparatus of the present invention；
In figure：1 horizontal actuator, 2 vertical actuator, 3 horizontal loading transmission mechanisms, 4 vertical load transmission mechanisms, 5 dresses
Put basic platform, 6 support beams, 7 conversion beams, 8SCS units test specimen, No. 9 beams, 10 No. two beams, 11 No. three beams, a 12 variable cross-section works
Word beam, 13 trapezoidal web panels, 14 bearing pins, 15 first order distribution beams, the stiffness bearer of 16 second level distribution beam 17,18 loading posts, 19 welderings
Connect roller bearing, 20 test sections, 21 thickening steel plates, 22 separation troughs, 23 cross steel plates, 24 connection holes, 25 bridgewares.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
As shown in figure 1, including for the loading device of SCS unit test specimen tensile compression tests：Two horizontal actuator 1,
Vertical actuator 2, horizontal loading transmission mechanism 3, vertical load transmission mechanism 4, device basic platform 5, support beam 6, conversion beam 7
With SCS units test specimen 8, wherein：Horizontal actuator 1 passes through vertical load by horizontal loading transmission mechanism 3, vertical actuator 2
Load is passed to transmission mechanism 4 the load bang path phase of SCS units test specimen 8, horizontal pull and vertical pressure step by step respectively
The mutual independent mechanical characteristic to simulate SCS units test specimen 8 in the case of different tensile pressure ratios, support beam 6 is six roots of sensation steel I-beam, peace
It is placed on device basic platform 5 and conversion beam 7.
As shown in Figure 2-5, a beam 10, three of beam 9, two is between beam 11 and support beam 6, and No. one the 9 of beam each
Removable bearing pin 14 is equipped between variable cross-section I-shaped beam 12, is easy to the beam of displacement coordination, three kinds of models to be arranged symmetrically in level
The both sides of actuator 1.In loading procedure, horizontal actuator 1 drives a beam 9 to move by horizontal loading transmission mechanism 3, so that lotus
The thickening steel plate 21 that converted part 25 again is delivered to SCS units test specimen 8 is carried, load is further evenly transferred to test section 20.
As shown in figure 3, a beam 9 is made up of four variable cross-section I-shaped beams 12 small in ends broad in the middle, centre is provided with web
Strengthen.No. two beams 10 are to increase by four pieces of trapezoidal web panels 13 respectively on two I-beams to be formed.No. three beams 11 are by polylith steel
Plate weld into I-shape construction Force transmission partses, the contact position of Liang Yuliang is connected using high-strength bolt.
As shown in Figure 4 and Figure 5, the pressure that described vertical actuator 2 is produced is through the fraction of first order distribution beam 15 and second
Load is divided into four parts with beam 16, first order distribution beam 15 is the cuboid of rectangular cross-section, centre is provided with web reinforcement.The
Secondary distribution beam 16 is that trapezoidal prism is constituted by two sections, and web reinforcement also is provided with the middle of prism.Stiffness bearer 17
It is used to connect the loading post 18 of distribution beam and test specimen, and Distributing loads with welding roller bearing 19.
As shown in figure 5, described SCS units test specimen 8 is in decussate texture, intersection is test section 20 anyhow, other
Part is load transmission mechanism.Between the steel plate and concrete of vertical pressure transferred structure use but be not limited to wear reinforcing bar and
Weld stud is connected or connected using other modes such as structural steel connecting members, and is provided with separation trough 22, so as to respectively form four at two ends
Individual loading post 18, receives the load from second level distribution beam 16, while having buried cross steel plate 23 in vertical section to protect
Card destruction does not occur in loading zone.
Described separation trough 22 can be separated during practice of construction using plank, so as to realize being easy to construct and do not influence
The advantage of the stress of test specimen.
Respectively there are eight blocks of thickening steel plates 21 described pulling force transmission mechanism both sides, are used to transmit uniform tension；Stay at steel plate two ends
There is connection hole 24, run through by bearing pin and be connected with a beam 9 of both sides.
Compared with prior art, the present embodiment has the advantages that：
1st, the loading device for SCS unit test specimen tensile compression tests that the present embodiment is provided, multistage load shunting, it is ensured that
SCS test specimen unit uniform stresseds：Sufficiently long horizontal loading transmission mechanism and vertical load transmission mechanism transmit load step by step,
The separation trough for coordinating SCS test specimens unit to set, realizes the uniform stressed of test specimen unit.Experiment stressing conditions and Practical Project knot
Structure is consistent, and can accurately probe into the mechanical characteristic of SCS construction units.
2nd, the loading device for SCS unit test specimen tensile compression tests that the present embodiment is provided, independent load path can mould
Intend the complicated stressing conditions of SCS test specimens unit：The horizontal addload and vertical load path of SCS test specimen units are separate, can mould
Intend the Load Combination of different tensile pressure ratios, it is simple to operate effective, it is particularly possible to make up in studying both at home and abroad at present to SCS unit test specimens
The not enough situation of test data under big compression shear stressing conditions.
3rd, the loading device for SCS unit test specimen tensile compression tests that the present embodiment is provided, unique SCS unit test specimens set
Meter, it is ensured that destruction occurs in test section：Cross steel plate has been buried in the pressure transferred structure of test specimen to avoid transmission mechanism steel plate
Generation flexing, the steel plate simultaneously for pulling force transmission mechanism thicken and strengthen treatment so as to avoid the steel plate of transmission mechanism
Surrendered prior to test section.It is constructed above to ensure that destruction occurs in test section, experimental data accurate and effective.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Those skilled in the art can realize described function to each specific application using distinct methods, but
It is this realization it is not considered that beyond the scope of this invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from spirit of the invention to invention
And scope.So, if these modifications of the invention and modification belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including including these changes and modification.
Claims (8)
1. a kind of loading device for SCS unit test specimen tensile compression tests, it is characterised in that including：It is respectively arranged at SCS units
For applying pulling force two horizontal actuator of test specimen both sides, one be arranged at the top of SCS unit test specimens for apply press
The vertical actuator of power, the horizontal loading transmission mechanism being arranged between horizontal actuator and SCS unit test specimens, be arranged at it is vertical
The vertical load transmission mechanism of between actuator and SCS unit test specimens and SCS unit test specimens bottom, wherein, horizontal loading is passed
Pass mechanism and load is evenly distributed to vertical load transmission mechanism test specimen test section in different combinations, so as to realize mould
Intend the SCS unit test specimen stresses under complex situations.
2. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that each water
Flat load transmission mechanism includes：The structure-steel framing that middle part is connected with two horizontal actuator respectively with SCS units test specimen and two ends, should
Structure-steel framing is three-level steel beam structure, the Force transmission partses that every one-level girder steel is welded into by some steel plates and/or trapezoidal web panels, and three
Connected by high-strength bolt between level steel beam structure, between horizontal loading transmission mechanism and horizontal actuator, actuator is produced
Raw load is divided into four parts.
3. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that described perpendicular
Include to load transmission mechanism：Two-stage distribution beam at the top of SCS unit test specimens and positioned at SCS unit test specimens bottom one
Level distribution beam and basic platform.
4. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that described two
Trapezoid cross section stiffness bearer is equipped between level distribution beam and between distribution beam and basic platform, by actuator and basic platform
Counter-force is divided into two parts.
5. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that described point
With four roller bearings are provided between beam and SCS unit test specimens, the load that point secondary distribution beam is transmitted is divided into four parts.
6. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that the water
Flat load transmission mechanism is arranged on basic platform by support beam, and the support beam is six roots of sensation structural I-beam.
7. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that the SCS
Unit test specimen includes：Positioned at the test section at center and the pressure transferred structure that is arranged at outside test section and pulling force transmission machine
Structure, wherein：Test section includes two blocks of steel plates and setting reinforcing bar and concrete therebetween, according between steel plate thickness in concrete
Every set peg as test specimen basic framework.
8. the loading device for SCS unit test specimen tensile compression tests according to claim 1, it is characterised in that the pressure
Force transfer mechanism and pulling force transmission mechanism arrange in cross, wherein：Pressure transferred structure is made up of double steel plate concrete material,
And be provided with along the separation trough of force direction is applied, while having buried cross steel plate in vertical section to ensure that destruction is not adding
Area is carried to occur；Pulling force transmission mechanism is made up of the steel plate for thickening, and is also provided with along the separation trough for applying force direction, and two ends are left
Circular opening, is easy to be connected with a beam of both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283033.5A CN106872277A (en) | 2017-04-26 | 2017-04-26 | A kind of loading device for SCS unit test specimen tensile compression tests |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283033.5A CN106872277A (en) | 2017-04-26 | 2017-04-26 | A kind of loading device for SCS unit test specimen tensile compression tests |
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| CN106872277A true CN106872277A (en) | 2017-06-20 |
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| CN201710283033.5A Pending CN106872277A (en) | 2017-04-26 | 2017-04-26 | A kind of loading device for SCS unit test specimen tensile compression tests |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931420A (en) * | 2018-07-09 | 2018-12-04 | 上海筑邦测控科技有限公司 | Cross main beam structure integrates loading system |
| CN109781550A (en) * | 2019-03-24 | 2019-05-21 | 华北理工大学 | The vertical load testing machine of shear connector and test method |
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| CN108931420A (en) * | 2018-07-09 | 2018-12-04 | 上海筑邦测控科技有限公司 | Cross main beam structure integrates loading system |
| CN109781550A (en) * | 2019-03-24 | 2019-05-21 | 华北理工大学 | The vertical load testing machine of shear connector and test method |
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| CB02 | Change of applicant information | ||
| CI02 | Correction of invention patent application |
Correction item: Applicant Correct: Shanghai Nuclear Engineering Research and Design Institute False: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Number: 15-01 Volume: 39 |
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| CI02 | Correction of invention patent application |