CN206593955U - A kind of axially loaded supplementary structure of pseudo-static experimental - Google Patents
A kind of axially loaded supplementary structure of pseudo-static experimental Download PDFInfo
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- CN206593955U CN206593955U CN201720320354.3U CN201720320354U CN206593955U CN 206593955 U CN206593955 U CN 206593955U CN 201720320354 U CN201720320354 U CN 201720320354U CN 206593955 U CN206593955 U CN 206593955U
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- reinforcing bar
- reinforcing
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Abstract
The utility model discloses a kind of axially loaded supplementary structure of pseudo-static experimental, including reinforcing girder and it is connected to the reinforcing bars of reinforcing girder both sides, each described reinforcing bar one end is fixedly connected on reinforcing girder both sides, the other end of each reinforcing bar is connected with fixture, and the other end of each reinforcing bar is slidably connected with fixture.Plus in uninstall process, reinforcing bar under tension and horizontal force, the end motion of reinforcing bar one；Fixture is individually fixed on counter-force terrace, and reinforcing girder is fixed on the pier top of experiment pier, thus to the pier shaft transmission axle pressure of experiment pier.Slided due to the effect of horizontal force reinforcing bar lower end, so as to keep both sides reinforcing bar vertical, so as to ensure that the size and Orientation of axle power is constant, symmetrically reinforced by reinforcing girder both sides reinforcing bar two ends, reinforced by the tensioning of reinforcing bar two ends, it is not necessary to set up reaction frame, it is not only practical but also economical, when axial force is larger, through ribbed jack can be coordinated to pressurize.
Description
Technical field
The utility model is related to pseudo-static experimental equipment technical field, and in particular to a kind of pseudo-static experimental is axially loaded auxiliary
Help structure.
Background technology
Pseudo static testing is also known as low all reciprocation cycle experiments, low cycle repetitive load experiment, refers to structure or structural elements
Apply the slow test of multiple reciprocation cycle effect, be the mistake for making structure or component repeat to load and unload in positive and negative both direction
Journey, to simulate loading characteristic and deformation characteristicses of the structure in of reciprocating vibration during earthquake.
The axial force loading system of existing pseudo-static experimental mainly has two kinds：One kind is to fix one big ton by reaction frame
Position jack pair experiment pier carries out axial force loading, and this method is difficult to keep axial force stable in experimentation；Another
It is that, by two through ribbed jack plus axial force, fining twisted steel is fixed up and down in the experiment, and it is with pier displacement
Increase and constantly tilt, cause axle power fluctuation, unnecessary horizontal force to produce.By dividing above-mentioned existing axial force loading system
How to keep axial force stable in analysis, loading procedure, it is to avoid the problem of experiment pier eccentric compression is one important.
Utility model content
Main purpose of the present utility model is to provide a kind of pseudo-static experimental axially loaded supplementary structure, existing to solve
Axial force is unstable in technology, there is the technical problem that unnecessary horizontal force is produced.
To achieve these goals, the utility model provides a kind of axially loaded supplementary structure of pseudo-static experimental.
A kind of axially loaded supplementary structure of pseudo-static experimental of the utility model, including reinforcing girder and it is connected to reinforcing
The reinforcing bar of beam both sides, each described reinforcing bar one end is fixedly connected on reinforcing girder both sides, and the other end of each reinforcing bar is connected with fixture,
The other end of each reinforcing bar is slidably connected with fixture.Attachment structure is used for the pier top that reinforcing girder is fixed on to experiment pier,
Fixture is used to be fixedly connected with counter-force terrace.The reinforcing bar of reinforcing girder both sides is respectively acting on pier shaft both sides, and one end, which is fixed on, to be added
On the both sides of power beam, the other end is slidably connected with fixture.Plus in uninstall process, reinforcing bar under tension and horizontal force, reinforcing bar
One end motion；Fixture is individually fixed on counter-force terrace, and reinforcing girder is fixed on the pier top of experiment pier, thus to the pier of experiment pier
Body transmission axle pressure.Reinforcing bar lower end is slided due to the effect of horizontal force, so as to keep both sides reinforcing bar vertical, so as to ensure axle power
Size and Orientation is constant, is symmetrically reinforced by reinforcing girder both sides reinforcing bar two ends, is reinforced by the tensioning of reinforcing bar two ends, it is not necessary to set up
Reaction frame, it is not only practical but also economical, when axial force is larger, through ribbed jack can be coordinated to pressurize.
Further, the fixture is the slide rail that is independently connected with each reinforcing bar, each reinforcing bar it is another
End is connected through chute mouthful with the sliding block being arranged in slide rail.Thus achieve the slidably phase of the reinforcing bar other end and fixture
Even.
Further, substrate is extended in the both sides of the slide rail, and the substrate coordinates phase provided with anchor hole and with anchor hole
Anchor pole even.Slide rail is anchored on counter-force terrace by anchor hole and anchor pole.
Further, the reinforcing bar is fining twisted steel, and one end of each fining twisted steel is each passed through reinforcing girder and led to
Cross nut or nut is fixed.Thus achieve effective fixation of reinforcing bar one end.
Further, the reinforcing girder is platy structure.The reinforcing girder of platy structure is more uniformly stressed.
Further, the attachment structure include being arranged at top fixing hole on platy structure and with top fixing hole
It is adapted to the bolt arrangement of connection.Bolt arrangement is used for the pier top that platy structure is fixed on to experiment pier, and fixed structure is stable.
Further, the reinforcing girder is to be square in the middle part of square platy structure, the square platy structure provided with four
The top fixing hole of arrangement.Square plate structure-bearing is uniform, and four top fixing holes are square arrangement so that reinforcing girder and experiment
The connection of pier is more consolidated.
It can be seen that, the beneficial effects of the utility model are that reinforcing bar lower end is slided due to the effect of horizontal force, so as to keep
Both sides reinforcing bar is vertical, so as to ensure that the size and Orientation of axle power is constant, is symmetrically reinforced, passed through by reinforcing girder both sides reinforcing bar two ends
Reinforcing bar two ends tensioning reinforcing, it is not necessary to set up reaction frame, it is not only practical but also economical, when axial force is larger, through ribbed thousand can be coordinated
The pressurization of jin top.
The utility model is described further with reference to the accompanying drawings and detailed description.What the utility model was added
Aspect and advantage will be set forth in part in the description, and partly will become apparent from the description below, or pass through this practicality
New practice is recognized.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for aiding in understanding of the present utility model, provided in accompanying drawing
Content and its relevant explanation in the utility model can be used for explaining the utility model, but do not constitute to it is of the present utility model not
Work as restriction.In the accompanying drawings：
Fig. 1 is a kind of use state figure of the axially loaded supplementary structure of pseudo-static experimental of the utility model.
Fig. 2 is a kind of structural representation of the axially loaded supplementary structure of pseudo-static experimental of the utility model.
Fig. 3 is a kind of structural representation of reinforcing girder in the utility model.
Embodiment
In the technical scheme and technical characteristic provided in each several part including the description below in the utility model,
In the case of not conflicting, these technical schemes and technical characteristic can be mutually combined.
The embodiment of the present utility model being related in the description below is generally only the embodiment of the branch of the utility model one,
Rather than whole embodiments.Therefore, based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained on the premise of creative work, should all belong to the scope of the utility model protection.
On the explanation to term in the utility model.Specification and claims of the present utility model and relevant portion
Term " comprising " and " having " and their any deformation in point, it is intended that covering is non-exclusive to be included.Term " reinforcing
Beam " refers to that a kind of concentrated force that will act on thereon is converted to the component that even distributed force puts on substructure.Term " experiment
Pier " is the loading object in pseudo static testing；Term " slidably " refers to remain static when no external force applies, certain
Direction can be slided when applying certain external force；Term " counter-force terrace " is to refer to bear very big power and be provided with many anchors
The ground structure in hole；Term " anchoring " refers to two kinds of components being fixed together can a kind of cooperative means；
Term " tensioning " refers to apply prestressed mode by presstressed reinforcing steel.
A kind of axially loaded supplementary structure of pseudo-static experimental of the utility model, including the reinforcing girder 1 provided with attachment structure with
And the reinforcing bar 2 of the both sides of reinforcing girder 1 is connected to, each described one end of reinforcing bar 2 is fixedly connected on the both sides of reinforcing girder 1, each steel
The other end of muscle 2 is connected with fixture, and the other end of each reinforcing bar 2 is slidably connected with fixture.
The fixture is the slide rail 4 being independently connected with each reinforcing bar 2, and the other end of each reinforcing bar 2 is passed through
Chute mouthful 41 is connected with the sliding block 5 being arranged in slide rail 4.
Substrate 3 is extended in the both sides of the slide rail 4, and the substrate 3 coordinates the anchor being connected provided with anchor hole and with anchor hole
Bar 31.
The reinforcing bar 2 is fining twisted steel, one end of each fining twisted steel be each passed through reinforcing girder 1 by nut or
Nut is fixed.
The reinforcing girder 1 is platy structure.
The attachment structure includes the top fixing hole 12 being arranged on platy structure and coordinated with top fixing hole 12
The bolt arrangement 11 of connection.
The reinforcing girder 1 is the top provided with four arrangements that are square in the middle part of square platy structure, the square platy structure
Portion's fixing hole 12.
Fig. 2 is a kind of structural representation of the axially loaded supplementary structure of pseudo-static experimental of the utility model.Fig. 3 is this practicality
A kind of new middle structural representation of reinforcing girder.As shown in Figures 2 and 3, pseudo-static experimental axially adds in present embodiment
Carrying supplementary structure includes the reinforcing girder 1 of a rectangle tabular, and top of the middle part provided with four arrangements that are square of reinforcing girder 1 is consolidated
Determine hole 12, fixing hole 12 is connected with bolt arrangement 11, and the both sides of reinforcing girder 1 (i.e. the both wings of rectangular slab) are respectively equipped with bolt
Hole 22, the bolt hole 22 of the both sides of reinforcing girder 1 is respectively cooperating with being connected with reinforcing bar 2, and the reinforcing bar 2 is fining twisted steel, specifically described
Fixation is tightened in the upper end of reinforcing bar 2 through bolt hole 22 by nut 21, and the lower end of each reinforcing bar 2 is connected with slide rail 4 respectively, specifically
For reinforcing bar 2 lower end through the chute mouthfuls 41 of slide rail 4, be connected with the sliding block 5 being arranged in slide rail 4, the lower end of the reinforcing bar 2
Can be along slide rail 4 slidably, substrate 3 is extended in the both sides of slide rail 4, and substrate 3 is provided with a row anchor hole, and substrate 3 passes through
The anchor pole 31 being adapted with anchor hole is fixed on counter-force terrace, and one shows four anchor holes in present embodiment.
Fig. 1 is a kind of use state figure of the axially loaded supplementary structure of pseudo-static experimental of the utility model.Experiment in Fig. 1
Corresponding pore structure is prefabricated with correspondence fixing hole 12 in the pier top 61 of pier 6, the pier bottom and the above-mentioned bottom of slide rail 4 for testing pier 6 are neat
It is flat.As shown in figure 1, in pseudo-static experimental, reinforcing girder 1 is fixed in pier top 61 by bolt arrangement 11, substrate 3 is passed through
Anchor pole 31 is fixed on counter-force terrace.Preferably synchronously carried out in the reinforcing bar 2 of the both sides of stretch-draw anchor reinforcing girder 1.
In order to overcome prior art to load the defect such as axis fluctuation and pier shaft eccentric compression, the utility model in axial force
The both sides of reinforcing girder 1 are fixed on using above-mentioned fining twisted steel upper end, it is to avoid bias；Lower end connection sliding block 5, is transported by sliding block 5
Move to keep the vertical axial force so as to keep during loading of fining twisted steel.Two fining twisted steels are respectively acting on pier shaft two
The both sides of reinforcing girder 1 are fixed in side, one end, and one end is fixed on sliding block 5, and sliding block 5 is arranged in slide rail 4, under tension and water
Flat power and move；The substrate 3 that two slide rails 4 extend is anchored on the lateral reaction terrace of pier shaft two by eight anchor poles 31 respectively, plus
Power beam is fixed on pier top 61 by four bolt arrangements, to pier shaft transmission axle pressure.Plus in uninstall process, the side slide 5 of lower end two by
Both sides fining twisted steel can be kept vertical, so as to ensure size and the side of axial force with loading end motion in the effect of horizontal force
To constant.
Claims (7)
1. a kind of axially loaded supplementary structure of pseudo-static experimental, it is characterised in that including the reinforcing girder (1) provided with attachment structure with
And the reinforcing bar (2) of reinforcing girder (1) both sides is connected to, each described reinforcing bar (2) one end is fixedly connected on reinforcing girder (1) both sides,
The other end of each reinforcing bar (2) is connected with fixture, and the other end of each reinforcing bar (2) is slidably connected with fixture.
2. a kind of axially loaded supplementary structure of pseudo-static experimental as claimed in claim 1, it is characterised in that the fixture is
The slide rail (4) being independently connected with each reinforcing bar (2), the other end of each reinforcing bar (2) passes through chute mouthful (41) with setting
The sliding block (5) being placed in slide rail (4) is connected.
3. a kind of axially loaded supplementary structure of pseudo-static experimental as claimed in claim 2, it is characterised in that the slide rail (4)
Both sides extend substrate (3), the substrate (3) coordinates the anchor pole (31) being connected provided with anchor hole and with anchor hole.
4. a kind of axially loaded supplementary structure of pseudo-static experimental as claimed in claim 2, it is characterised in that the reinforcing bar (2)
For fining twisted steel, one end of each fining twisted steel is each passed through reinforcing girder (1) and fixed by nut or nut.
5. a kind of axially loaded supplementary structure of pseudo-static experimental as claimed in claim 1, it is characterised in that the reinforcing girder
(1) it is platy structure.
6. a kind of axially loaded supplementary structure of pseudo-static experimental as claimed in claim 5, it is characterised in that the attachment structure
Including the top fixing hole (12) being arranged on platy structure and the bolt arrangement being connected with top fixing hole (12)
(11)。
7. a kind of axially loaded supplementary structure of pseudo-static experimental as claimed in claim 6, it is characterised in that the reinforcing girder
(1) it is square platy structure, top fixing hole (12) of the square platy structure middle part provided with four arrangements that are square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320354.3U CN206593955U (en) | 2017-03-29 | 2017-03-29 | A kind of axially loaded supplementary structure of pseudo-static experimental |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320354.3U CN206593955U (en) | 2017-03-29 | 2017-03-29 | A kind of axially loaded supplementary structure of pseudo-static experimental |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206593955U true CN206593955U (en) | 2017-10-27 |
Family
ID=60122833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720320354.3U Expired - Fee Related CN206593955U (en) | 2017-03-29 | 2017-03-29 | A kind of axially loaded supplementary structure of pseudo-static experimental |
Country Status (1)
| Country | Link |
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| CN (1) | CN206593955U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120636A (en) * | 2018-03-05 | 2018-06-05 | 天津城建大学 | A kind of vertical loading system of roller type low friction with following function |
| CN108318235A (en) * | 2018-03-05 | 2018-07-24 | 天津城建大学 | A kind of vertical loading system of roller type low friction with following function |
| CN108593419A (en) * | 2018-03-05 | 2018-09-28 | 天津城建大学 | A kind of vertical loading system of chute type low friction with following function |
| CN109238865A (en) * | 2018-10-31 | 2019-01-18 | 宁波工程学院 | A set of large-tonnage static loading test device suitable for large scale model |
| CN109596410A (en) * | 2019-01-22 | 2019-04-09 | 广州计量检测技术研究院 | The reaction frame system of standing balance antifriction apparatus and horizontal pulling force Standard Machine |
| CN109596436A (en) * | 2019-01-14 | 2019-04-09 | 中国工程物理研究院化工材料研究所 | The accurate driving method of static(al) of the accurate loading simulator of the safety-type static(al) of large-tonnage |
| CN111413224A (en) * | 2020-05-18 | 2020-07-14 | 上海工程技术大学 | Explosion test reaction frame device capable of applying axial pressure to bridge pier stud |
-
2017
- 2017-03-29 CN CN201720320354.3U patent/CN206593955U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120636A (en) * | 2018-03-05 | 2018-06-05 | 天津城建大学 | A kind of vertical loading system of roller type low friction with following function |
| CN108318235A (en) * | 2018-03-05 | 2018-07-24 | 天津城建大学 | A kind of vertical loading system of roller type low friction with following function |
| CN108593419A (en) * | 2018-03-05 | 2018-09-28 | 天津城建大学 | A kind of vertical loading system of chute type low friction with following function |
| CN109238865A (en) * | 2018-10-31 | 2019-01-18 | 宁波工程学院 | A set of large-tonnage static loading test device suitable for large scale model |
| CN109596436A (en) * | 2019-01-14 | 2019-04-09 | 中国工程物理研究院化工材料研究所 | The accurate driving method of static(al) of the accurate loading simulator of the safety-type static(al) of large-tonnage |
| CN109596410A (en) * | 2019-01-22 | 2019-04-09 | 广州计量检测技术研究院 | The reaction frame system of standing balance antifriction apparatus and horizontal pulling force Standard Machine |
| CN111413224A (en) * | 2020-05-18 | 2020-07-14 | 上海工程技术大学 | Explosion test reaction frame device capable of applying axial pressure to bridge pier stud |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20200329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |