CN110108508A - A kind of two-way anti-rotation lock of beam column minor structure continuous collapse test - Google Patents
A kind of two-way anti-rotation lock of beam column minor structure continuous collapse test Download PDFInfo
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- CN110108508A CN110108508A CN201910325332.XA CN201910325332A CN110108508A CN 110108508 A CN110108508 A CN 110108508A CN 201910325332 A CN201910325332 A CN 201910325332A CN 110108508 A CN110108508 A CN 110108508A
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- rotation lock
- minor structure
- beam column
- test specimen
- gusseted
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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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
- G01N3/02—Details
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of beam column minor structure continuous collapses to test two-way anti-rotation lock, including test specimen, test specimen is equipped with the mounting hole through setting, two-way anti-rotation lock includes two symmetrically arranged gusseted components, anti- torsion components are equipped between two gusseted components, anti- torsion components include two roller devices, are set between two roller devices there are two rod iron, two rod irons are arranged in parallel between two roller devices；Rod iron is adapted with mounting hole；Gusseted component includes two symmetrically arranged triangular support bracket components, is connected between two triangular support bracket components by screw rod, and the present invention guarantees test specimen in load, and downward displacement can only occur for test specimen, reduces friction, improves the accuracy and precision of test.
Description
Technical field
The present invention relates to a kind of beam column minor structure continuous collapses to test two-way anti-rotation lock, belongs to field of civil engineering.
Background technique
The part in the case where accidental load (such as explodes, hits, fire) effect is perpendicular to structure for the progressive collapse-resisting of building structure
To stress test specimen failure after, fail test specimen near structure other parts cannot bear the redistribution of internal force, and then cause with just
Begin to destroy disproportionate the phenomenon that collapsing.Beam column minor structure is the most common minor structure in current architecture configuration, and test is research
The effective ways of the progressive collapse-resisting problem of beam column minor structure, for wish to obtain contribution of beam during progressive collapse-resisting,
When the problems such as contribution of beam column minor structure during overall structure progressive collapse-resisting, due to be not related to space structure there may be
Influence, it is possible to analyzed using beam column sub-structure model.Continuous collapse test for beam column minor structure, at present
Way be directly to remove at test specimen king post joint the center pillar of simulation failure when making two span continuous beam pillar structures, losing
The top of effect column (i.e. test specimen king post joint) applies the vertical displacement constantly increased or load, measures the vertical of test specimen king post joint
Beam column indicated with test specimen king post joint vertical displacement-drag can be obtained in displacement and the vertical drag relationship along column direction
Structure progressive collapse-resisting power curve.The curve indicates the ability that beam column minor structure resists external load after center pillar failure.It uses
When beam column minor structure test specimen carries out continuous collapse test, vertical load or displacement loading device are needed, while needing to solve adding
The plane outer displacement problem being likely to occur during carrying.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, and it is two-way anti-to provide a kind of beam column minor structure continuous collapse test
Torsion device, to solve problems of the prior art.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of two-way anti-rotation lock of beam column minor structure continuous collapse test, including test specimen, test specimen are equipped with the peace through setting
Fill hole, the two-way anti-rotation lock include two symmetrically arranged gusseted components, described two gusseted components it
Between be equipped with anti-torsion components, the anti-torsion components include two roller devices, set between described two roller devices there are two
Rod iron, described two rod irons are arranged in parallel between two roller devices；The rod iron is adapted with mounting hole；The triangle branch
Support part part includes two symmetrically arranged triangular support bracket components, is connected between two triangular support bracket components by screw rod.
As an improvement of the present invention, the triangular support bracket component includes I-shaped steel column, the I-shaped steel column
The edge of a wing is equipped with to be supported with the perpendicular transverse triangle of test specimen installation direction, and i shaped steel column web is equipped with and test specimen installation side
To parallel longitudinal gusseted.
As an improvement of the present invention, described two I-shaped steel column upper ends are connected by screw rod, two i shaped steels
Column lower end is connected by screw rod；The tail end of the two neighboring transverse triangle support is connected by screw rod.
As an improvement of the present invention, the roller devices include roller support, roller support include node steel plate with
And support steel plate, support steel plate are connected by hollow circular-tube with node steel plate, the support steel plate is equipped with 2 idler wheels, described
Support steel plate upper and lower ends are all provided with hole, and described hole is adapted with rod iron, and the node steel plate is mutually fitted with test specimen outer surface
Match.
As an improvement of the present invention, described two idler wheels are arranged on the inside of two circular cavities.
As an improvement of the present invention, the diameter of described hole is greater than the diameter of rod iron.
As an improvement of the present invention, the gap of 1-2mm is equipped between the idler wheel and gusseted component.
As an improvement of the present invention, described two gusseted lowers are connected by bolt.
As an improvement of the present invention, the gap of 1-2mm is equipped between the rod iron both ends and gusseted component.
As an improvement of the present invention, the transverse triangle support is equipped at least two ground anchor bolt.
Due to using the above technology, the present invention compared with the prior art, is had the advantage that as follows:
The invention discloses a kind of beam column minor structure continuous collapses to test two-way anti-rotation lock, can solve beam column minor structure company
Loading procedure in continuous collapse experiment, and simultaneously guarantee test test specimen bidirectional torsion does not occur and cause test result inaccuracy or
The problem of test failure.
The present invention mostly uses screw rod to connect, and can be convenient the distance between ground adjusting triangle support frame, test specimen two sides and three
The distance between angle support frame, to adapt to various sizes of test specimen center pillar.Use through the rod iron and roller devices of test specimen can
To effectively prevent torsion of the test specimen in loading in plane with both direction outside plane；The configuration of the present invention is simple uses stabilization
Reliably, it when being applied to beam column minor structure test specimen and carrying out continuous collapse test, can successfully solve to be likely to occur in loading procedure
Bidirectional torsion problem, effectively raises the accuracy of test structure, and success of the test rate greatly improves.In addition, the present invention can be with
Disassembly, transport assembling extremely simple and convenient, can accomplish to repeatedly use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of beam column minor structure continuous collapse tests two-way anti-rotation lock；
Fig. 2 is the structural schematic diagram of triangular support bracket；
Fig. 3 is the structural schematic diagram of roller devices；
Fig. 4 is the schematic diagram that the present invention is applied in the test of beam column minor structure continuous collapse；
Fig. 5 is example of practical application figure of the present invention.
In figure: 1, gusseted component, 1-1, I-shaped steel column, 1-2, longitudinal gusseted, 1-3, transverse triangle support,
2, roller devices, 2-1, idler wheel, 2-2, roller support, 2-1-1, node steel plate, 2-2-2, support steel plate, 3, rod iron, 4, screw rod,
5, test specimen, 6, ground anchor bolt, 7, hole, 8, mounting hole, 9, hollow circular-tube.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.
Embodiment 1:
In conjunction with attached drawing as it can be seen that a kind of beam column minor structure continuous collapse tests two-way anti-rotation lock, including test specimen 5, set on test specimen 5
Have through setting mounting hole 8, the two-way anti-rotation lock include two symmetrically arranged gusseted components 1, described two
Anti- torsion components are equipped between a gusseted component 1, the anti-torsion components include two roller devices 2, described two rollings
It is set between wheel apparatus 2 there are two rod iron 3, described two rod irons 3 are arranged in parallel between two roller devices 2；The rod iron 3 with
Mounting hole 8 is adapted；The gusseted component 1 includes two symmetrically arranged triangular support bracket components, two gusseteds
It is connected between frame component by screw rod 4.
Embodiment 2:
As an improvement of the present invention, the triangular support bracket component includes I-shaped steel column 1-1, the I-shaped steel column 1-
1 edge of a wing, which is equipped with, supports 1-3 with the perpendicular transverse triangle of test specimen installation direction, and I-shaped steel column 1-1 web is equipped with and examination
The parallel longitudinal gusseted 1-2 of part installation direction.
Described two upper ends I-shaped steel column 1-1 are connected by screw rod 4, and two lower ends I-shaped steel column 1-1 pass through screw rod 4
It is connected；The tail end of described two transverse triangle support 1-3 is connected by screw rod 4.
Referring to fig. 2, in order to guarantee test specimen load when bidirectional torsion, the tool of horizontal and vertical two-way anti-torsion does not occur
Body measure are as follows: it is when two triangular support bracket components connection of 5 the same side of test specimen, transverse triangle support 1-3 is placed side by side, it uses
Two screw rods 4 connect the upper end of I-shaped steel column 1-1 in each pair of triangular support bracket, thus complete two triangular support bracket components it
Between connection the distance between two triangular support bracket components are adjusted by rotating the nut of 4 junction of screw rod.Adjust away from
From after the completion, two screw rods 4 are respectively used to bolt in the tail portion of lower bottom part and transverse triangle the support 1-3 of I-shaped steel column 1-1, it is auxiliary
Help two triangular support bracket components of connection.
Remaining design feature and advantage are identical with embodiment 1.
Embodiment 3:
As an improvement of the present invention, referring to Fig. 3, the roller devices 2 include roller support 2-2, and roller support 2-2 includes
Node steel plate 2-1-1 and support steel plate 2-2-2, support steel plate 2-2-2 are connected by hollow circular-tube 9 with node steel plate 2-1-1,
The support steel plate 2-2-2 is equipped with 2 idler wheel 2-1, and the support steel plate 2-2-2 upper and lower ends are all provided with hole 7, the hole
Hole 7 is adapted with rod iron 3, and the node steel plate 2-1-1 is adapted with 5 outer surface of test specimen.
Node steel plate 2-1-1 and test specimen 5 of described two idler wheel 2-1 settings in 7 inside of two circular cavities, roller devices 2
It is close to, the gap of 1-2mm or so is retained between the edge of a wing of the I-shaped steel column 1-1 of solid idler wheel 2-1 and gusseted component 1,
The frictional force generated when reducing load with the edge of a wing of I-shaped steel column 1-1, and the flat out-of-plane twist of test specimen is limited in controllable model
In enclosing.
The diameter of described hole 7 is greater than the diameter of rod iron 3.
Anti- torsion components are fixed on by rod iron 3 also cross the hole 7 of mounting hole 8, support steel plate 2-2-2 on test specimen 5
Between test specimen 5 and gusseted component 1, solid idler wheel 2-1 is installed on the outside of support steel plate 2-2-2, with the I-shaped steel column 1-1 wing
Edge is close.
Remaining structure is identical with embodiment 1 with advantage.
Embodiment 4:
As an improvement of the present invention, described two 1 lower ends of gusseted component are connected by bolt.
With the suitable screw rod 4 of installation length or clump weight can be booked between 1 bottom of gusseted component of 5 two sides of test specimen
To hold out against the gusseted component 1 of two sides, remain unchanged the distance between two sides gusseted component 1.
Remaining structure is identical with embodiment 1 with advantage.
Embodiment 5:
As an improvement of the present invention, the gap of 1-2mm is equipped between 3 both ends of rod iron and gusseted component 1.
The gap of 1-2mm or so is kept, between 3 both ends of rod iron and I-shaped steel column 1-1 of test specimen to reduce load
When the additional friction that generates, while limiting torsion in the plane of test specimen.
Remaining structure is identical with embodiment 1 with advantage.
Embodiment 6:
As an improvement of the present invention, the transverse triangle support 1-3 is equipped at least two ground anchor bolt 6.
Two pairs of triangular support bracket components after the completion of connection, two transverse triangles support among the right angle short side of 1-3, cloth
Two ground anchor bolts 6 are set with fixed triangle support frame.
Remaining structure is identical with embodiment 1 with advantage.
The present invention can also by technical characteristic described in embodiment 2,3,4,5,6,7 at least one in combination with example 1 at
New embodiment.
The present invention, specific use process is as follows:
As shown in figure 4, needing to be installed before carrying out continuous collapse test by taking the test of practical beam column minor structure continuous collapse as an example
Two-way anti-rotation lock at test specimen 5.First arrangement complete test specimen king post joint two sides gusseted component 1, after passed through with rod iron 3
Test specimen 5 is worn, and the hole 7 by being passed through on support steel plate 2-2-2 with rod iron 3 completes the arrangement of two-way anti-rotation lock.Idler wheel
The node steel plate 2-1-1 of device 2 is close to test specimen 5.The screw rod 4 for adjusting the connection upper end I-shaped steel column 1-1, makes two pairs of triangle branch
Support component reaches suitable distance, and distance, which is maintained at 1-2mm, between 3 outer rim of rod iron and I-shaped steel column 1-1 is advisable.Then adjust
The distance between gusseted component 1 and test specimen 5 are saved, makes to retain between the outer edge of a wing of I-shaped steel column 1-1 and solid idler wheel 2-1
There is the gap of 1-2mm or so.Finally, the suitable screw rod 4 of installation length between 1 bottom of gusseted component of 5 two sides of test specimen
Or clump weight is booked to hold out against the gusseted component 1 of two sides, and among the right angle short side of two longitudinal gusseted 1-2,
Arrange two ground anchor bolts 6 with fixed triangle bracket assembly.
Rod iron 3 and roller devices 2 keep the gap of 1-2mm with I-shaped steel column 1-1 during installation, can be in load
Effectively reduce the resistance because generating with I-shaped steel column 1-1 friction.
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as limitation of the invention, the present invention
Protection scope should with claim record technical solution, including claim record technical solution in technical characteristic etc.
It is protection scope with alternative, i.e., equivalent replacement within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of beam column minor structure continuous collapse tests two-way anti-rotation lock, including test specimen, test specimen is equipped with through setting
Mounting hole, it is characterised in that: the two-way anti-rotation lock include two symmetrically arranged gusseted components, described two three
Anti- torsion components are equipped between the support member of angle, the anti-torsion components include two roller devices, described two roller devices
Between set there are two rod iron, described two rod irons are arranged in parallel between two roller devices；The rod iron is mutually fitted with mounting hole
Match；The gusseted component includes two symmetrically arranged triangular support bracket components, is led between two triangular support bracket components
Screw rod is crossed to be connected.
2. a kind of beam column minor structure continuous collapse according to claim 1 tests two-way anti-rotation lock, it is characterised in that:
The triangular support bracket component includes I-shaped steel column, and the I-shaped steel column edge of a wing is equipped with perpendicular with test specimen installation direction
Transverse triangle support, i shaped steel column web be equipped with the longitudinal gusseted parallel with test specimen installation direction.
3. a kind of beam column minor structure continuous collapse according to claim 2 tests two-way anti-rotation lock, it is characterised in that:
Described two I-shaped steel column upper ends are connected by screw rod, and two I-shaped steel column lower ends are connected by screw rod；Described adjacent two
The tail end of a longitudinal direction gusseted is connected by screw rod.
4. a kind of beam column minor structure continuous collapse according to claim 1 tests two-way anti-rotation lock, it is characterised in that:
The roller devices include roller support, and roller support includes node steel plate and support steel plate, and support steel plate passes through open circles
Pipe is connected with node steel plate, and the support steel plate is equipped with 2 idler wheels, and the support steel plate upper and lower ends are all provided with hole, institute
It states hole to be adapted with rod iron, the node steel plate is adapted with test specimen.
5. a kind of beam column minor structure continuous collapse according to claim 3 tests two-way anti-rotation lock, it is characterised in that:
Described two idler wheels are arranged on the inside of two circular cavities.
6. a kind of beam column minor structure continuous collapse according to claim 3 tests two-way anti-rotation lock, it is characterised in that:
The diameter of described hole is greater than the diameter of rod iron.
7. a kind of beam column minor structure continuous collapse according to claim 3 tests two-way anti-rotation lock, it is characterised in that:
The gap of 1-2mm is equipped between the idler wheel and gusseted component.
8. a kind of beam column minor structure continuous collapse according to claim 1 tests two-way anti-rotation lock, it is characterised in that:
Described two gusseted lowers are connected by bolt.
9. a kind of beam column minor structure continuous collapse according to claim 1 tests two-way anti-rotation lock, it is characterised in that:
The gap of 1-2mm is equipped between the rod iron both ends and gusseted component.
10. a kind of beam column minor structure continuous collapse according to claim 1 tests two-way anti-rotation lock, feature exists
In: the transverse triangle support is equipped at least two ground anchor bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325332.XA CN110108508B (en) | 2019-04-22 | 2019-04-22 | Bidirectional anti-torsion device for beam-column structure continuous collapse test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325332.XA CN110108508B (en) | 2019-04-22 | 2019-04-22 | Bidirectional anti-torsion device for beam-column structure continuous collapse test |
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| CN110108508A true CN110108508A (en) | 2019-08-09 |
| CN110108508B CN110108508B (en) | 2021-09-24 |
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Cited By (6)
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|---|---|---|---|---|
| CN110672405A (en) * | 2019-11-19 | 2020-01-10 | 中国飞机强度研究所 | Torsion preventing device for beam web test piece |
| CN111024489A (en) * | 2020-02-13 | 2020-04-17 | 山东建筑大学 | Anti-twist device for MTS hydraulic servo actuator |
| CN112619307A (en) * | 2020-12-24 | 2021-04-09 | 蔡克贤 | Air pollution purification device and purification method thereof |
| CN113447427A (en) * | 2021-07-07 | 2021-09-28 | 长沙理工大学 | Arc-shaped beam column structure anti-continuous collapse test device |
| CN113758738A (en) * | 2021-09-23 | 2021-12-07 | 东南大学 | Self-moving limiting device for collapse resistance test of beam-column structure and using method |
| CN115711791A (en) * | 2022-10-12 | 2023-02-24 | 江苏科技大学 | Shear test device for multi-layer cold-formed thin-wall steel combined wall and installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113758738A (en) * | 2021-09-23 | 2021-12-07 | 东南大学 | Self-moving limiting device for collapse resistance test of beam-column structure and using method |
| CN113758738B (en) * | 2021-09-23 | 2024-05-14 | 东南大学 | Self-moving limiting device for Liang Zhuzi-structure collapse resistance test and use method |
| CN115711791A (en) * | 2022-10-12 | 2023-02-24 | 江苏科技大学 | Shear test device for multi-layer cold-formed thin-wall steel combined wall and installation method |
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| CN110108508B (en) | 2021-09-24 |
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