CN107782606A - A kind of experimental rig and its application method of the local buckling behavior of double steel plate combined concrete shear wall steel plate - Google Patents
A kind of experimental rig and its application method of the local buckling behavior of double steel plate combined concrete shear wall steel plate Download PDFInfo
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- CN107782606A CN107782606A CN201711041876.0A CN201711041876A CN107782606A CN 107782606 A CN107782606 A CN 107782606A CN 201711041876 A CN201711041876 A CN 201711041876A CN 107782606 A CN107782606 A CN 107782606A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000011160 research Methods 0.000 claims abstract description 5
- 230000000452 restraining effect Effects 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 10
- 241000219146 Gossypium Species 0.000 claims description 10
- 210000003128 head Anatomy 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000010998 test method Methods 0.000 abstract description 3
- 238000013459 approach Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
Abstract
The invention discloses a kind of experimental rig and its application method of the local buckling behavior of double steel plate combined concrete shear wall steel plate, including：One base and a test specimen, a lateral constraint mechanism and the vertical load maintainer being arranged on the base, sidewise restraint mechanism are contacted with test specimen to simulate the sidewise restraint condition to test specimen, and vertical load maintainer is on test specimen with to test specimen application vertical load.The present invention can in accurate measurement combining structure unilateral constrained steel plate load-displacement relationship, the deficiency that combining structure light plate undertakes load can not accurately be measured by solving conventional test methods, a new approaches have been opened up in research for combining structure light plate stress behavior, have preferable application prospect.
Description
Technical field
The invention belongs to Structural Engineering experimental technique field, and in particular to a kind of double steel plate combined concrete shear wall steel plate
The experimental rig and its application method of local buckling behavior.
Background technology
Steel-concrete combined structure has high capacity, whole due to can give full play to steel and concrete each advantage
Body rigidity is big, from heavy and light, speed of application is fast, anti-seismic performance is good the advantages that, turn into China's skyscraper most competitiveness at present
One of structure type.The combining form of steel and concrete is flexible and changeable in combining structure, the important combining form of one of which
It is that concrete is filled in the cavity surrounded in steel plate, the double steel plate concrete shear force wall such as developed rapidly in recent years.This kind of
In combined member, due to the unilateral constraint by concrete filled, the local stability performance of steel plate can be better than in corresponding steel construction
Steel plate, but under larger compression, outside local buckling can still be occurred by the steel plate of concrete unilateral constraint, make steel
Plate shows softening under load behavior.As the important component of combined member, unilateral constrained steel plate is only fully seen clearly
Stress behavior, there could be one clearly to recognize the overall stress behavior of the combined members such as double steel plate concrete shear force wall.So
And test method traditional at present can only measure Integral Loading-displacement relation of combined member, and can not directly measure to obtain steel
The load that plate is undertaken in loading procedure, this brings larger difficulty to the research of steel plate stress behavior.
The content of the invention
It is an object of the invention to overcome prior art defect, there is provided a kind of double steel plate combined concrete shear wall steel plate office
The experimental rig of portion's Buckling modes.
Another object of the present invention is to provide the application method of above-mentioned experimental rig.
Technical scheme is as follows：
A kind of experimental rig of double steel plate combined concrete shear wall steel plate local buckling behavior, including：One base and set
A test specimen, a lateral constraint mechanism and the vertical load maintainer being placed on the base, sidewise restraint mechanism contacted with test specimen with
The sidewise restraint condition to test specimen is simulated, vertical load maintainer is on test specimen with to test specimen application vertical load；
Above-mentioned test specimen, including the rectangular frame being made up of a upper head plate, a bottom plate and two steel side plates is so that from perpendicular
Uniformly transferred to the vertical load of load maintainer into the two steel side plate, some rows couple are connected with from top to bottom between two steel side plates
Reinforcing bar is drawn with the connecting structure of simulated dual steel plate concrete combined shear wall；Some pearl cotton layers are provided with the rectangular frame to incite somebody to action
Adjacent row to draw reinforcing bar separate, concreting between adjacent two pearl cottons layer, most it is upper with most under pearl cotton layer respectively with
Upper head plate and bottom plate fitting, to ensure often to arrange, to drawing, the concrete of bar connecting can be moved freely up and down and vertical load will not
It is delivered in concrete, the internal face of two steel side plates is covered with polytetrafluoroethylene film to eliminate between side steel plate and concrete
Frictional force.
In a preferred embodiment of the invention, the sidewise restraint mechanism includes on base and is located at respectively
Two right angle trigonometry framves pair of the test specimen both sides, each right angle trigonometry frame is to including two right angle trigonometry framves, each right angle trigonometry frame
Including two right-angle sides, wherein a right-angle side is connected with the base, another right-angle side is connected with a restraining plate, each right angle trigonometry
The spacing of two restraining plates of frame pair is adapted to the width of the steel side plate and completely attached to two edges of the steel side plate.
It is further preferred that the base includes a test specimen placement section and located at two right angle three of the test specimen placement section both sides
Corner bracket placement section.
It is further preferred that some slotted eyes, each right angle are equipped with the two right angle trigonometries frame placement section
Two right angle trigonometry framves of tripod centering are adapted to some slotted eyes with straight by some slotted eye regulations two respectively
Spacing between the tripod pair of angle, and fixed by fixture.
It is further preferred that the fixture is bolt.
In a preferred embodiment of the invention, the right angle trigonometry frame is provided with several columns positioning hole, it is described about
Beam plate adaptation is installed in wherein on a row positioning hole, and two restraining plates and the different lines positioning hole of each right angle trigonometry frame pair connect
Connect to be adapted to the test specimen with various sizes of steel side plate.
In a preferred embodiment of the invention, it is anti-on the base to include one for the vertical load maintainer
Power frame and a vertical jack, the upper head plate of reaction frame and the test specimen described in the both ends difference contact of the vertical jack.
In a preferred embodiment of the invention, the rectangular frame is by a upper head plate, a bottom plate and two steel sides
Plate weld forms.
The application method of above-mentioned experimental rig, including：By each several part of the experimental rig, setting completed, and in test specimen
Relevant position will not foil gauge and displacement meter, vertical load is then applied according to given pace by vertical jack, and synchronously
Collection includes power, displacement and the measurement data of strain, and record includes the experimental phenomena of the local buckling form of the side steel plate, when
The depression of bearing force of test specimen to peak load less than 50% when, stop experiment, finally by above-mentioned measurement data and experiment
The analysis and arrangement of phenomenon, study the Compressive Performance of side steel plate.
The beneficial effects of the invention are as follows：The present invention can in accurate measurement combining structure unilateral constrained steel plate load-
Displacement relation, the deficiency that combining structure light plate undertakes load can not accurately be measured by solving conventional test methods, for combination
A new approaches have been opened up in the research of structure light plate stress behavior, have preferable application prospect.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the dimensional structure diagram of the test specimen of the present invention.
Fig. 3 is the schematic cross-section of the test specimen of the present invention.
Fig. 4 is the dimensional structure diagram of the right angle trigonometry frame placement section of the base of the present invention.
Embodiment
Technical scheme is further detailed and described below by way of embodiment combination accompanying drawing.
As shown in figure 1, a kind of experimental rig of double steel plate combined concrete shear wall steel plate local buckling behavior, including：
One base 1 and the test specimen 2, the lateral 3 and one vertical load maintainer 4 of constraint mechanism that are arranged on the base 1, sidewise restraint machine
Structure 3 is contacted with test specimen 2 to simulate the sidewise restraint condition to test specimen 2, and vertical load maintainer 4 is on test specimen 2 with to test specimen 2
Apply vertical load；
As shown in Figures 2 and 3, above-mentioned test specimen 2, including welded by a upper head plate 21, a bottom plate 22 and two steel side plates 23
The rectangular frame that forms is so that the vertical load from vertical load maintainer 4 is uniformly transferred into the two steel side plate 23, two steel
Some rows are welded between side plate 23 from top to bottom to drawing reinforcing bar 24 with the connection structure of simulated dual steel plate concrete combined shear wall
Make；Some pearl cotton layers 25 are provided with the rectangular frame so that, to drawing reinforcing bar 24 to separate, concrete 26 is poured in adjacent by adjacent row
Between two pearl cotton layers 25, its function be only limitted to constrain side steel plate 23 toward the direction of concrete 26 lateral deformation, it is most upper with it is most lower
Pearl cotton layer 25 be bonded respectively with upper head plate 21 and bottom plate 22, because the modulus of elasticity of pearl cotton layer 25 is smaller, often row pair
The concrete 26 for drawing reinforcing bar 24 to connect can freely up and down move and vertical load is not transferred in concrete 26, two steel side plates 23
Internal face be adhesive with polytetrafluoroethylene film 27 to eliminate the frictional force between side steel plate and concrete 26.
As shown in Figure 1 and Figure 4, the sidewise restraint mechanism 3 includes on base 1 and is located at 2 liang of the test specimen respectively
Two right angle trigonometry framves pair of side, each right angle trigonometry frame including two right angle trigonometry framves 31, each right angle trigonometry frame 31 to including two
Right-angle side, wherein a right-angle side is connected with the base 1, another right-angle side is connected with a restraining plate 32, each right angle trigonometry frame
To the spacing of two restraining plates 32 be adapted to the width of the steel side plate 23 and completely attached to two edges of the steel side plate 23.
The base 1 includes a test specimen placement section 11 and the two right angle trigonometry frame placement sections 12 located at the test specimen placement section both sides, in
The two right angle trigonometries frame placement section 12 is equipped with some slotted eyes 120, two right angles of each right angle trigonometry frame centering
Tripod 31 is adapted to some slotted eyes 120 to adjust two right angle trigonometry framves pair by some slotted eyes 120 respectively
Between spacing, and be bolted.The right angle trigonometry frame 31 is provided with several columns positioning hole (not shown), described
The adaptation of restraining plate 32 is installed in wherein on a row positioning hole, and two restraining plates 32 of each right angle trigonometry frame pair are determined with different lines
Position hole is connected to be adapted to the test specimen 2 with various sizes of steel side plate 23.
As shown in figure 1, the vertical load maintainer 4 includes a reaction frame 41 and one vertical thousand on the base 1
Jin top 42, the upper head plate 21 of reaction frame 41 and the test specimen 2 described in the both ends difference contact of the vertical jack 42.
The application method of above-mentioned experimental rig, including：By each several part of the experimental rig, setting completed, and in test specimen 2
Relevant position will not foil gauge and displacement meter, then by vertical jack 42 according to given pace apply vertical load, and
Synchronous acquisition includes power, displacement and the measurement data of strain, and the experiment for recording the local buckling form for including the side steel plate shows
As, when test specimen 2 depression of bearing force to peak load less than 50% when, stop experiment, finally by above-mentioned measurement data
With the analysis and arrangement of experimental phenomena, the Compressive Performance of research side steel plate.
The foregoing is only a preferred embodiment of the present invention, therefore can not limit the scope that the present invention is implemented according to this, i.e.,
The equivalent changes and modifications made according to the scope of the claims of the present invention and description, all should still it belong in the range of the present invention covers.
Claims (9)
- A kind of 1. experimental rig of double steel plate combined concrete shear wall steel plate local buckling behavior, it is characterised in that：Including：One Base and a test specimen, a lateral constraint mechanism and the vertical load maintainer being arranged on the base, sidewise restraint mechanism and examination To simulate the sidewise restraint condition to test specimen, vertical load maintainer is vertically carried on test specimen with applying to test specimen for part contact Lotus；Above-mentioned test specimen, including the rectangular frame being made up of a upper head plate, a bottom plate and two steel side plates from vertical so as to add The vertical load of mounted mechanism is uniformly transferred into the two steel side plate, is connected with some rows between two steel side plates from top to bottom to drawing steel Muscle is with the connecting structure of simulated dual steel plate concrete combined shear wall；Some pearl cotton layers are provided with the rectangular frame with will be adjacent Row to draw reinforcing bar separate, concreting between adjacent two pearl cottons layer, most it is upper with most under pearl cotton layer respectively with upper end Plate and bottom plate fitting, to ensure often to arrange, to drawing, the concrete of bar connecting can be moved freely up and down and vertical load will not be transmitted Into concrete, the internal face of two steel side plates is covered with polytetrafluoroethylene film to eliminate the friction between side steel plate and concrete Power.
- 2. experimental rig as claimed in claim 1, it is characterised in that：The sidewise restraint mechanism includes on base and divided Not Wei Yu the test specimen both sides two right angle trigonometry framves pair, each right angle trigonometry frame is to including two right angle trigonometry framves, each right angle Tripod includes two right-angle sides, wherein a right-angle side is connected with the base, another right-angle side is connected with a restraining plate, per always The spacing of two restraining plates of angle tripod pair is adapted to and complete with two edges of the steel side plate with the width of the steel side plate Contact.
- 3. experimental rig as claimed in claim 2, it is characterised in that：The base includes a test specimen placement section and located at the examination Two right angle trigonometry frame placement sections of part placement section both sides.
- 4. experimental rig as claimed in claim 3, it is characterised in that：It is equipped with the two right angle trigonometries frame placement section some Slotted eye, two right angle trigonometry framves of each right angle trigonometry frame centering are adapted to by this with some slotted eyes respectively Some slotted eyes adjust the spacing between two right angle trigonometry framves pair, and are fixed by fixture.
- 5. experimental rig as claimed in claim 4, it is characterised in that：The fixture is bolt.
- 6. experimental rig as claimed in claim 2, it is characterised in that：The right angle trigonometry frame is provided with several columns positioning hole, The restraining plate adaptation is installed in wherein on a row positioning hole, and two restraining plates of each right angle trigonometry frame pair are determined with different lines Position hole is connected to be adapted to the test specimen with various sizes of steel side plate.
- 7. experimental rig as claimed in claim 1, it is characterised in that：The vertical load maintainer is located at the base including one On the vertical jack of reaction frame and one, the vertical jack both ends difference contact described in the upper end of reaction frame and the test specimen Plate.
- 8. experimental rig as claimed in claim 1, it is characterised in that：The rectangular frame by a upper head plate, a bottom plate and Two steel plate-side plate weldings form.
- 9. the application method of the experimental rig in claim 1 to 8 described in any claim, it is characterised in that：Including：By institute Stating each several part of experimental rig, setting completed, and arranges foil gauge and displacement meter in the relevant position of test specimen, then by vertical Jack applies vertical load according to given pace, and synchronous acquisition includes power, displacement and the measurement data of strain, record and included The experimental phenomena of the local buckling form of the side steel plate, when test specimen depression of bearing force to peak load less than 50% when, Stop experiment, finally by the analysis and arrangement to above-mentioned measurement data and experimental phenomena, the Compressive Performance of research side steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041876.0A CN107782606A (en) | 2017-10-30 | 2017-10-30 | A kind of experimental rig and its application method of the local buckling behavior of double steel plate combined concrete shear wall steel plate |
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| CN201711041876.0A CN107782606A (en) | 2017-10-30 | 2017-10-30 | A kind of experimental rig and its application method of the local buckling behavior of double steel plate combined concrete shear wall steel plate |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362578A (en) * | 2018-03-15 | 2018-08-03 | 天津城建大学 | A kind of sheet metal shear capacity of studs test device |
| CN108844825A (en) * | 2018-07-09 | 2018-11-20 | 华侨大学 | Band for Compressive Performance test is to drawing reinforcing bar steel core concrete column and test method |
| CN109060514A (en) * | 2018-10-30 | 2018-12-21 | 福州大学 | It keeps stretching out unstability does not occur first for steel plate device and its implementation method in Steel Compression component test |
| CN109374398A (en) * | 2018-11-28 | 2019-02-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Material Stiffened Panel thermal buckling test load bringing device |
| CN109459314A (en) * | 2018-12-29 | 2019-03-12 | 华北理工大学 | The load of full size Seismic Performance of Concrete Frame and its lateral limiting device |
| CN110686632A (en) * | 2019-11-08 | 2020-01-14 | 河南工业大学 | Method for measuring initial geometric defects of H-shaped section steel compression bar |
| CN110686631A (en) * | 2019-11-08 | 2020-01-14 | 河南工业大学 | Method for measuring initial bending defect of T-shaped section steel compression bar |
| CN111948025A (en) * | 2020-08-31 | 2020-11-17 | 华南理工大学 | Steel plate local buckling test device with sliding shaft and test method thereof |
| CN111948024A (en) * | 2020-08-31 | 2020-11-17 | 华南理工大学 | Steel plate local buckling test device with vertical limiting function and test method thereof |
| CN113203643A (en) * | 2021-04-30 | 2021-08-03 | 任菊华 | Steel structure firmness detection system and detection method |
| CN115753344A (en) * | 2022-11-30 | 2023-03-07 | 南京理工大学 | Loading device for axial load of column structure under action of explosive impact |
| CN108362578B (en) * | 2018-03-15 | 2024-04-26 | 天津城建大学 | Shear bearing capacity testing device for thin steel plate stud |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362578A (en) * | 2018-03-15 | 2018-08-03 | 天津城建大学 | A kind of sheet metal shear capacity of studs test device |
| CN108362578B (en) * | 2018-03-15 | 2024-04-26 | 天津城建大学 | Shear bearing capacity testing device for thin steel plate stud |
| CN108844825A (en) * | 2018-07-09 | 2018-11-20 | 华侨大学 | Band for Compressive Performance test is to drawing reinforcing bar steel core concrete column and test method |
| CN109060514A (en) * | 2018-10-30 | 2018-12-21 | 福州大学 | It keeps stretching out unstability does not occur first for steel plate device and its implementation method in Steel Compression component test |
| CN109374398A (en) * | 2018-11-28 | 2019-02-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Material Stiffened Panel thermal buckling test load bringing device |
| CN109459314B (en) * | 2018-12-29 | 2023-11-17 | 华北理工大学 | Full-scale frame structure shock resistance loading and lateral limiting device thereof |
| CN109459314A (en) * | 2018-12-29 | 2019-03-12 | 华北理工大学 | The load of full size Seismic Performance of Concrete Frame and its lateral limiting device |
| CN110686631A (en) * | 2019-11-08 | 2020-01-14 | 河南工业大学 | Method for measuring initial bending defect of T-shaped section steel compression bar |
| CN110686632A (en) * | 2019-11-08 | 2020-01-14 | 河南工业大学 | Method for measuring initial geometric defects of H-shaped section steel compression bar |
| CN111948025A (en) * | 2020-08-31 | 2020-11-17 | 华南理工大学 | Steel plate local buckling test device with sliding shaft and test method thereof |
| CN111948024A (en) * | 2020-08-31 | 2020-11-17 | 华南理工大学 | Steel plate local buckling test device with vertical limiting function and test method thereof |
| CN111948024B (en) * | 2020-08-31 | 2024-04-26 | 华南理工大学 | Steel plate local buckling test device with vertical limiting function and test method thereof |
| CN111948025B (en) * | 2020-08-31 | 2024-04-26 | 华南理工大学 | Steel plate local buckling test device with sliding shaft and test method thereof |
| CN113203643A (en) * | 2021-04-30 | 2021-08-03 | 任菊华 | Steel structure firmness detection system and detection method |
| CN113203643B (en) * | 2021-04-30 | 2022-11-18 | 上海新建设工程咨询有限公司 | Steel structure firmness detection system and detection method |
| CN115753344A (en) * | 2022-11-30 | 2023-03-07 | 南京理工大学 | Loading device for axial load of column structure under action of explosive impact |
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Application publication date: 20180309 |