CN203798665U - Side-direction instability prevention device for steel-frame structure test - Google Patents
Side-direction instability prevention device for steel-frame structure test Download PDFInfo
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- CN203798665U CN203798665U CN201420244410.6U CN201420244410U CN203798665U CN 203798665 U CN203798665 U CN 203798665U CN 201420244410 U CN201420244410 U CN 201420244410U CN 203798665 U CN203798665 U CN 203798665U
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- beam column
- post
- steel
- constraint
- connecting rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 230000002265 prevention Effects 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 12
- 230000002459 sustained effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000011160 research Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model discloses a side-direction instability prevention device for a steel-frame structure test, and belongs to the field of steel structure study. Beam column test models (4) are fixed to supporting bottom beams (10). Support platforms (1) are fixed to the supporting bottom beams (10) on the two sides of column structures of the beam column test models (4). Column structure sliding supports are distributed on the column structures of the beam column test models (4) according to needs. Beam structure sliding supports are fixed to transverse beams of the beam column test models (4). According to the side-direction instability prevention device, the sliding supports are installed at the positions according to the needs, and all the components are of an assembled structure.
Description
Technical field
The utility model relates to steel structure frame testing equipment, belongs to civil engineering steel construction research field.
Background technology
Along with the continuous progress of science and technology, the develop rapidly of national economy, the improving constantly of national output of steel, steel construction progressively promotes in the status of building trade, steel construction lightweight, high-strength feature in addition, its steel construction only increases in the development of building trade.The disaster being caused by each violent earthquake also makes various countries scholar start the research of absorbed steel frame ductility joint aspect, continues to bring out out the steel-frame structure ductility joint of various different connection form.The research of present stage is all the correlation test research of carrying out based on node, but this ductility joint is placed in an actual structure whether have same ductile performance, in a structure, whether need to weaken at each node, whether at each node, carry out same weakening, this just needs us to launch the experimental study about ductility joint steel-frame structure, but not the research of single node.
Study the stress performance of ductility joint in steel-frame structure, we often select test and performance test analysis that steel-frame structure is correlated with, for the anti-seismic performance of Study on Steel framed structure and relevant ductility, we select to apply horizontal loads and carry out pseudo-static experimental simulated earthquake load action, under the load action of this level.For steel frame that does not have floor there is no barricade so, also just lost the effect of the sidewise restraint of floor and barricade, its corresponding beam, post is all to belong to stretch bending and bending component, and for this press-bending of beam column, stretch bending component, its corresponding slenderness ratio does not meet code requirement certainly, like this when applying horizontal loads, total may be due to beam, the outer unstability of the plane of post and total is destroyed, so just do not reach the structure ductility destruction that we want, also must not go out the ductile performance of the node of corresponding ductility, about the relevant research of ductility joint, will fall short of success for lack of final effort like this.First we should consider when carrying out steel-frame structure test design for this reason is the problem of unstability outside the plane of steel-frame structure, first to solve the outer unstability of plane and the local buckling of structure, can guarantee that like this total is under horizontal loads, there is corresponding ductile fracture in it.
Utility model content
For preventing that steel-frame structure test from side direction unstability occurring, the utility model aims to provide a kind of test unit, for the development test of anti-seismic performance and the ductility of steel-frame structure.The technical solution of the utility model is as follows:
Steel-frame structure is tested anti-side direction unstability device, a plurality of bearing platforms, a plurality of post restraint device and a plurality of girder construction restraint device, consists of;
Bearing platform is a cube box column structure, and much more reserved row's bolts hole on two relative vertical planes of box column body structure, for the fixing level overlap joint connecting rod of differing heights, overlap connecting rod and support link and are all angle steel; The bearing platform interval of a plurality of same structures is fixed on and is supported on bottom girder; The front and back end of the sustained height between each two adjacent bearing platforms interfixes the bearing platform at its two ends by the support link of level respectively; The two ends of support link are fixed on its two end bearings platform overlap joint connecting rod;
Post restraint device retrains guide rail, post constraint slide block by post and forms for the fixture of fixation test beam column model; On the relative facade of former and later two support link of the sustained height between adjacent bearing platform, the post of fixing horizontal retrains guide rail respectively, and two posts constraint slide blocks are arranged on respectively on post constraint guide rail separately; Between two post constraint slide blocks, be the rod structure of test beam column model, fixed with each other by fixture between the rod structure of test beam column model and former and later two posts constraint slide block; Other rod structure of test beam column model is fixed between other adjacent bearing platform in the same way;
Beam restraint device retrains guide rail, beam constraint slide block, stretching connecting rod by beam and forms for the fixture of fixation test beam column model; Beam constraint guide rail is fixed on the upper end of supporting bottom girder and bearing platform place vertical plane one side, and mutually vertical with the crossbeam of test beam column model; Beam constraint slide block is arranged on beam constraint guide rail; On beam constraint slide block, fixed installation is for being connected to the stretching connecting rod of test beam column model crossbeam; Stretching connecting rod is fixedly connected with by fixture with the crossbeam of test beam column model; The length of stretching connecting rod is variable.
Stretching connecting rod is comprised of two rod members that are reserved with bolt hole that are mutually superimposed, and two rod members can reduce or increase the length of stack as required.
On the surface of contact of fixture and test beam column model, fixedly mount rubber blanket.
A plurality of post restraint devices can be installed as required on the rod structure of each test beam column model.
A plurality of beam restraint devices can be installed as required in the girder construction of each test beam column model.
The beneficial effects of the utility model are the needs according to deviser, according to the size of test model, adjust the position that restraint device is installed.Crossbeam restraint device and column restraint device, what all adopt is fabricated construction, can increase according to demand corresponding obligatory point, also can regulate the relative distance between constraint according to the size of moulded dimension, it is convenient that whole device is installed.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model rod structure restraint device front elevation view.
Accompanying drawing 2 is the utility model rod structure restraint device vertical views.
Accompanying drawing 3 is girder construction restraint device vertical views of the present utility model.
In figure: 1 bearing platform, 2 overlap joint connecting rods, 3 support link, 4 test beam column models, 5 post constraint guide rails, 6 post constraint slide blocks, 7 beam constraint guide rails, 8 beam constraint slide blocks, 9 stretching connecting rods, 10 support bottom girder
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Steel-frame structure is tested anti-side direction unstability device, a plurality of bearing platforms, a plurality of post restraint device and a plurality of girder construction restraint device, consists of;
Bearing platform 1 is a cube box column structure, and much more reserved row's bolts hole on two relative vertical planes of box column body structure, for the fixing level overlap joint connecting rod 2 of differing heights, overlap connecting rod 2 and support link 3 and are all angle steel; Bearing platform 1 interval of a plurality of same structures is fixed on and is supported on bottom girder 10; The front and back end of the sustained height between each two adjacent bearing platforms interfixes the bearing platform at its two ends by the support link 3 of level respectively; The two ends of support link 3 are fixed on the overlap joint connecting rod 2 of its two end bearings platform;
Post restraint device forms by post constraint guide rail 5, post constraint slide block 6 with for the fixture of fixation test beam column model 4; On the relative facade of former and later two support link 3 of the sustained height between adjacent bearing platform 1,5, two post constraint slide blocks 6 of the post of fixing horizontal constraint guide rail are arranged on respectively on post constraint guide rail 5 separately respectively; Between two post constraint slide blocks 6, be the rod structure of test beam column model 4, fixed with each other by fixture between the rod structure of test beam column model 4 and former and later two posts constraint slide block 6; Other rod structure of test beam column model 4 is fixed between other adjacent bearing platform in the same way;
Beam restraint device forms by beam constraint guide rail 7, beam constraint slide block 8, stretching connecting rod 9 with for the fixture of fixation test beam column model 4; Beam constraint guide rail 7 is fixed on the upper end of supporting bottom girder 10 and bearing platform 1 place vertical plane one side, and mutually vertical with the crossbeam of test beam column model 4; Beam constraint slide block 8 is arranged on beam constraint guide rail 7; On beam constraint slide block 8, fixed installation is for being connected to the stretching connecting rod 9 of test beam column model 4 crossbeams; Stretching connecting rod 9 is fixedly connected with by fixture with the crossbeam of test beam column model 4; The length of stretching connecting rod 9 is variable.
Stretching connecting rod 9 is comprised of two rod members that are reserved with bolt hole that are mutually superimposed, and two rod members can reduce or increase the length of stack as required.
On the surface of contact of fixture and test beam column model 4, fixedly mount rubber blanket.
A plurality of post restraint devices can be installed as required on the rod structure of each test beam column model 4.
A plurality of beam restraint devices can be installed as required in the girder construction of each test beam column model 4.
The concrete mounting means of equipment is as follows:
Assembling post constraint guide rail 5, post constraint slide block 6 and fixture, form post constraint sliding support;
Assembling stretching connecting rod 9 and fixture form beam constraint sliding support;
The installation process of post restraint device: first installation test model 5, then determines by measuring distance the position that bearing platform 1 is fixing, makes two root posts of test model 5, and every root post is between two bearing platforms 1; Bearing platform 1 is fixed on and supports on bottom girder 10.By theory, calculate the height that post constraint sliding support need to be installed, and overlap joint connecting rod 2 is installed on this height, be bolted overlap joint connecting rod 2; By overlap joint connecting rod 2 fixed support connecting rods 3, and make support link 3 and support bottom girder 10 keeping parallelisms by adjusting bolt.Post constraint sliding support is fixing by bolt and support link 3.
Two circular section beams of metal constraint guide rails 7 are fixed on steel plate.At two, beam is retrained one group of beam constraint slide block 6 is installed respectively on guide rail 7, and make underbeam retrain slide block 6 consistencies from top to bottom, and by bolt, beam constraint sliding support is fixed on beam constraint slide block 6, beam retrains sliding support and can retrain guide rail 7 along beam and move like this.
Claims (5)
1. steel-frame structure is tested anti-side direction unstability device, a plurality of bearing platforms, a plurality of post restraint device and a plurality of girder construction restraint device, consists of;
Bearing platform (1) is a cube box column structure, reserved many row's bolts hole on two relative vertical planes of box column body structure, be used for the fixedly level overlap joint connecting rod (2) of differing heights, overlap joint connecting rod (2) and support link (3) are all angle steel; Bearing platform (1) interval of a plurality of same structures is fixed on and is supported on bottom girder (10); The front and back end of the sustained height between each two adjacent bearing platforms uses respectively the support link (3) of level that the bearing platform at its two ends is interfixed; The two ends of support link (3) are fixed on the overlap joint connecting rod (2) of its two end bearings platform;
Post restraint device retrains guide rail (5), post constraint slide block (6) by post and forms for the fixture of fixation test beam column model (4); On the relative facade of former and later two support link (3) of the sustained height between adjacent bearing platform (1), the post of fixing horizontal retrains guide rail (5) respectively, and two posts constraint slide blocks (6) are arranged on respectively on post constraint guide rail (5) separately; Between two post constraint slide blocks (6), be the rod structure of test beam column model (4), fixed with each other by fixture between the rod structure of test beam column model (4) and former and later two posts constraint slide block (6); Other rod structure of test beam column model (4) is fixed between other adjacent bearing platform in the same way;
Beam restraint device retrains guide rail (7), beam constraint slide block (8), stretching connecting rod (9) by beam and forms for the fixture of fixation test beam column model (4); Beam constraint guide rail (7) is fixed on the upper end of supporting bottom girder (10) and bearing platform (1) place vertical plane one side, and mutually vertical with the crossbeam of test beam column model (4); Beam constraint slide block (8) is arranged on beam constraint guide rail (7); The upper fixed installation of beam constraint slide block (8) is used for being connected to the stretching connecting rod (9) of test beam column model (4) crossbeam; Stretching connecting rod (9) is fixedly connected with by fixture with the crossbeam of test beam column model (4); The length of stretching connecting rod (9) is variable.
2. steel-frame structure according to claim 1 is tested anti-side direction unstability device, and the connecting rod (9) that it is characterized in that stretching is comprised of two rod members that are reserved with bolt hole that are mutually superimposed, and two rod members reduce or increase the length of stack as required.
3. steel-frame structure according to claim 1 is tested anti-side direction unstability device, it is characterized in that fixedly mounting rubber blanket on the surface of contact of fixture and test beam column model (4).
4. steel-frame structure according to claim 1 is tested anti-side direction unstability device, it is characterized in that on the rod structure of each test beam column model (4), installing as required a plurality of post restraint devices.
5. steel-frame structure according to claim 1 is tested anti-side direction unstability device, it is characterized in that in the girder construction of each test beam column model (4), installing as required a plurality of beam restraint devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244410.6U CN203798665U (en) | 2014-05-14 | 2014-05-14 | Side-direction instability prevention device for steel-frame structure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244410.6U CN203798665U (en) | 2014-05-14 | 2014-05-14 | Side-direction instability prevention device for steel-frame structure test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798665U true CN203798665U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244410.6U Expired - Lifetime CN203798665U (en) | 2014-05-14 | 2014-05-14 | Side-direction instability prevention device for steel-frame structure test |
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| CN (1) | CN203798665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969112A (en) * | 2014-05-14 | 2014-08-06 | 大连理工大学 | Lateral instability prevention device for steel framework structure test |
| CN113324724A (en) * | 2021-07-06 | 2021-08-31 | 西安交通大学 | Clamping limiting and shifting experimental device for impact test |
-
2014
- 2014-05-14 CN CN201420244410.6U patent/CN203798665U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969112A (en) * | 2014-05-14 | 2014-08-06 | 大连理工大学 | Lateral instability prevention device for steel framework structure test |
| CN113324724A (en) * | 2021-07-06 | 2021-08-31 | 西安交通大学 | Clamping limiting and shifting experimental device for impact test |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |