CN207540878U - A kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device - Google Patents
A kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device Download PDFInfo
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- CN207540878U CN207540878U CN201721686717.1U CN201721686717U CN207540878U CN 207540878 U CN207540878 U CN 207540878U CN 201721686717 U CN201721686717 U CN 201721686717U CN 207540878 U CN207540878 U CN 207540878U
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Abstract
A kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device, it is related to a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experimental rig, to solve the loading procedure in the experiment of two-dimensional framework Approaches for Progressive Collapse of Structures, and the problem of out-of-plane displacement does not occur and leads to result of the test inaccuracy or test failure for guarantee test test specimen simultaneously, it includes girder steel, pressure sensor, servo actuator, two sets of anti-displacement attachment devices, two reaction frames and Duo Gen sunpenders;Two sets of anti-displacement attachment devices set every face and are equipped with multiple sunpenders therebetween between the upper and lower, superposed anti-displacement attachment device upper end is equipped with servo actuator, girder steel is disposed with above servo actuator, girder steel is connected on two reaction frames of face arrangement, and the pressure sensor contacted with the two is disposed between servo actuator and girder steel.The utility model is tested for two-dimensional framework Approaches for Progressive Collapse of Structures.
Description
Technical field
The utility model is related to a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experimental rigs, and in particular to a kind of two-dimensional framework knot
Structure continuous collapse experiment loading and anti-lateral displacement device, belong to building field.
Background technology
It is vertical that the continuous collapse of building structure refers to structure part in the case where accidental load (such as explodes, hits, fire) effect
Primary structure member failure after, the structure other parts near failure member cannot bear the redistribution of internal force, so cause with initially
Destroy disproportionate the phenomenon that collapsing.Frame structure is common building construction types, is largely used to office building, school builds
It builds.Compared with frame shear wall structure and shear wall structure, frame structure is easier that continuous collapse occurs.Experiment is research
The effective ways of structure progressive collapse-resisting ability, for wishing to obtain contribution of the beam during continuous collapse, filling wall even
During the problems such as continuing the contribution in collapsing, due to not being related to the issuable influence of space structure, it is possible to use two-dimensional framework
Model is analyzed.The continuous collapse of frame structure is tested, current way is directly to go to lose when making test specimen
The column of effect applies constantly increased vertical load or displacement in the top top end of exhaustion column position, measures the vertical of upper post
Displacement and the vertical drag relationship along column direction, you can obtain the structure progressive collapse-resisting energy represented with column vertical displacement-drag
Force curve.The curve represents the ability that structure resists external load after pillar failure.Connected using two-dimensional framework structural test piece
During continuous collapse experiment, vertical load or the loading device of displacement are needed, while needs to solve to prevent to go out in loading procedure
Existing plane outer displacement problem.
Utility model content
The utility model provides a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device, to solve
Loading procedure in the experiment of two-dimensional framework Approaches for Progressive Collapse of Structures, and out-of-plane displacement does not occur and leads for guarantee test test specimen simultaneously
The problem of causing result of the test inaccuracy or test failure.
The technical solution of the utility model is:
A kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device include girder steel, pressure sensor,
Servo actuator, two sets of anti-displacement attachment devices, two reaction frames and Duo Gen sunpenders;
Two sets of anti-displacement attachment devices set every face and are equipped with multiple sunpenders therebetween between the upper and lower, superposed
Anti- displacement attachment device upper end is equipped with servo actuator, is disposed with girder steel above servo actuator, girder steel is connected to face cloth
On two reaction frames put, the pressure sensor contacted with the two is disposed between servo actuator and girder steel.
Further, servo actuator is electro-hydraulic servo actuator.
Further, anti-displacement attachment device includes column link and anti-displacement roller bearing;There are one column link tools
Plane and a mounting groove, the plane and mounting groove are oppositely arranged, and the opposite sides face of column link is separately installed with and can rotate
Anti- displacement roller bearing, the lateral surface and reaction frame spacing of anti-displacement roller bearing are adjustable, the institute of superposed anti-displacement attachment device
It states and servo actuator is disposed between plane and pressure sensor, opposite two mounting grooves test the column of test specimen for grafting.
The advantageous effect of the utility model compared with prior art is:The anti-displacement attachment device construction of the utility model is identical,
The roller bearing for the anti-plane outer displacement being connected on column link can adjust the length for stretching out column link, anti-to adapt to two
The distance between power frame.Column link surface plate is equipped with multiple trepannings, can be to pass through sunpender.Boom end has screw thread and spiral shell
Cap can adapt to the length of pillar between upper and lower column link by adjustment length.The utility model is simple in structure, operation
It is reliable and stable.When carrying out continuous collapse experiment applied to two-dimensional framework structural test piece, the loading of vertical force can not only be provided, simultaneously
It can solve the problems, such as the plane outer displacement being likely to occur in loading procedure, be effectively improved test structure accuracy, test
Success rate greatly improves.In addition, the utility model can be dismantled, transport assembling extremely simple and convenient can accomplish to be repeated several times
It uses.
Description of the drawings
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is the schematic diagram that anti-one visual angle of displacement attachment device is seen;
Fig. 3 is the schematic diagram that anti-another visual angle of displacement attachment device is seen;
Fig. 4 is that the utility model applies the schematic diagram in the experiment of reinforced concrete frame structure continuous collapse;
Fig. 5 is the utility model example of practical application figure.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Illustrate referring to Fig. 1-Fig. 4, a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device include
Girder steel 2, pressure sensor 3,5, two reaction frames 1 of the anti-displacement attachment device of 4, two sets of servo actuator and Duo Gen sunpenders 6;
Two sets of anti-displacement attachment devices 5 set every face and are equipped with multiple sunpenders 6 therebetween between the upper and lower, positioned at top
Anti- 5 upper end of displacement attachment device servo actuator 4 is installed, 4 top of servo actuator is disposed with girder steel 2, and girder steel 2 is connected to
On two reaction frames 1 of face arrangement, the pressure sensor 3 contacted with the two is disposed between servo actuator 4 and girder steel 2.
In the present embodiment, pressure sensor 3 is measured pressure by pressure energy, and servo actuator 4 realizes the loading of vertical load.
In order to improve the stability of load test, servo actuator 4 is electro-hydraulic servo actuator.So set, with defeated
Contribute big, running position is accurate, it is small the characteristics of.
Illustrate referring to Fig. 2 and Fig. 3, in order to ensure not to be subjected to displacement laterally, devise dedicated non-displacement device, specifically
For:Anti- displacement attachment device 5 includes column link 5-1 and anti-displacement roller bearing 5-2;There are one planes for column link 5-1 tools
With a mounting groove 5-1-3, the plane and mounting groove 5-1-3 are oppositely arranged, and the opposite sides face of column link 5-1 is installed respectively
There is the anti-displacement roller bearing 5-2 that can be rotated, the lateral surface and 1 spacing of reaction frame of anti-displacement roller bearing 5-2 is adjustable, superposed anti-position
It moves between the plane of attachment device 5 and pressure sensor 3 and is disposed with servo actuator 4, opposite two mounting groove 5-1-3
For the column of grafting experiment test specimen 7.Wherein anti-displacement roller bearing 5-2 can by be fixed on its both ends pass through column link 5-1
Adjustment bar 5-1-1 and knob adjustment bar 5-1-1 on adjusting nut 5-1-2 realize horizontal direction on distance adjustment.
When in use, the column of experiment test specimen 7 is inserted into mounting groove 5-1-3, ensure that the stability of loading in this way, again
Meet the dynamic adjustment of anti-displacement roller bearing 5-2, guarantee test test specimen 7 prevents plane outer displacement in loading procedure.Referring to
Fig. 4 illustrates, for control accuracy and ensures effectively loading, anti-displacement roller bearing 5-2 can with the spacing of reaction frame 1 in the horizontal direction
It adjusts, and is 4-6mm.Preferably, anti-displacement roller bearing 5-2 and the spacing of reaction frame 1 in the horizontal direction are 5mm.Refer to each anti-
Anti- displacement roller bearing 5-2 and the spacing of corresponding reaction frame 1 in the horizontal direction in displacement attachment device 5 are 5mm.In order to
When ensureing loading, the tensile strength of two anti-displacement attachment devices 5, the sunpender 6 of design is steel sunpender, and sunpender is reinforcing bar.
Embodiment
As Figure 1-Figure 4, it by taking the loading of practical reinforced concrete frame continuous collapse experiment as an example, is continuously being fallen
Collapse experiment when, will be anti-first by two reaction frames 1 as the column both sides for needing the above-mentioned experiment frame for applying vertical load or displacement
The bottom of power frame 1 connects on the anchor hole with testing room floor, and anchoring is on the ground.Girder steel 2 is placed on 1 top of reaction frame, profit
It is fixed with the card slot on reaction frame 1, the height of placement location should be according to pressure sensor 3, servo actuator 4, top
Anti- displacement attachment device 5 and the distance between beam column top of experiment test specimen (reinforced concrete frame) 7 determine, if there is
Gap can increase billet.Anti- displacement attachment device 5 is placed on beam column top, adjusts anti-displacement roller bearing 5-2 and stretches out column connection
The length of frame 5-1 makes in the horizontal direction, anti-displacement roller bearing 5-2 lateral surfaces and 1 surface spacing 5mm of reaction frame.In 2 He of girder steel
Placement force sensor 3 and servo actuator 4 between anti-displacement attachment device 5.Four sunpenders 6 are passed through into column link 5-1
Trepanning and fixed with nut, the lower end of sunpender 6 is passed through and column link 5-1 and is fixed with nut, by adjusting nut 5-
1-2 makes the column that column link 5-1 is intermediate with experiment test specimen 7 (reinforced concrete frame) up and down combine closely, and adjusts adjustment spiral shell
Female 5-1-2 releases adjustment bar 5-1-1 makes it stretch out column link 5-1 so that roller bearing 5-2 is close to reaction frame 1.Make roller bearing table
Face and reaction frame surface spacing 5mm.Control servo actuator 4, you can realize vertical power or displacement loading.Fig. 5 gives one
The loading of the continuous collapse experiment of a reinforced concrete frame (having filling wall) and anti-lateral displacement experiment.
The utility model is disclosed as above with preferred embodiment, however is not limited to the utility model, any to be familiar with
Professional and technical personnel is not being departed from the range of technical solutions of the utility model, according to the technical essence of the utility model pair
Any simple modification, equivalent change and modification that more than case study on implementation is done, still belongs to technical solutions of the utility model range.
Claims (6)
1. a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device, it is characterised in that:It includes girder steel
(2), pressure sensor (3), servo actuator (4), two sets of anti-displacement attachment devices (5), two reaction frames (1) and more sunpenders
(6);
Two sets of anti-displacement attachment devices (5) set every face and are equipped with multiple sunpenders (6) therebetween between the upper and lower, positioned at top
Anti- displacement attachment device (5) upper end servo actuator (4) is installed, be disposed with girder steel (2), steel above servo actuator (4)
Beam (2) is connected on two reaction frames (1) of face arrangement, is disposed between servo actuator (4) and girder steel (2) and is connect with the two
Tactile pressure sensor (3).
2. a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device according to claim 1, special
Sign is:Servo actuator (4) is electro-hydraulic servo actuator.
3. a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device according to claim 2, special
Sign is:Anti- displacement attachment device (5) includes column link (5-1) and anti-displacement roller bearing (5-2);Column link (5-1)
Have there are one plane and a mounting groove (5-1-3), the plane and mounting groove (5-1-3) to be oppositely arranged, column link (5-1)
Opposite sides face is separately installed with the anti-displacement roller bearing (5-2) that can be rotated, the lateral surface and reaction frame of anti-displacement roller bearing (5-2)
(1) spacing is adjustable, is disposed with and watches between the plane of superposed anti-displacement attachment device (5) and pressure sensor (3)
Actuator (4) is taken, opposite two mounting grooves (5-1-3) test the column of test specimen (7) for grafting.
4. a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device according to claim 3, special
Sign is:Anti- displacement roller bearing (5-2) is 4-6mm with the spacing of reaction frame (1) in the horizontal direction.
5. a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device according to claim 4, special
Sign is:Anti- displacement roller bearing (5-2) is 5mm with the spacing of reaction frame (1) in the horizontal direction.
6. a kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device according to claim 5, special
Sign is:Sunpender (6) is steel sunpender.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109211544A (en) * | 2018-08-10 | 2019-01-15 | 湖北工程学院 | The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting |
CN113267359A (en) * | 2021-05-12 | 2021-08-17 | 中国矿业大学 | High-temperature coupling environment graded water-cooling loading test beam system |
-
2017
- 2017-12-06 CN CN201721686717.1U patent/CN207540878U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109211544A (en) * | 2018-08-10 | 2019-01-15 | 湖北工程学院 | The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting |
CN113267359A (en) * | 2021-05-12 | 2021-08-17 | 中国矿业大学 | High-temperature coupling environment graded water-cooling loading test beam system |
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