CN206593958U - A kind of loading device suitable for high building structure bilateral loading - Google Patents
A kind of loading device suitable for high building structure bilateral loading Download PDFInfo
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- CN206593958U CN206593958U CN201720370450.9U CN201720370450U CN206593958U CN 206593958 U CN206593958 U CN 206593958U CN 201720370450 U CN201720370450 U CN 201720370450U CN 206593958 U CN206593958 U CN 206593958U
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- loading
- bent cap
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Abstract
A kind of loading device suitable for high building structure bilateral loading, is characterized in that：Including bent cap, difunctional loading end and two stretching ends, bent cap is the beam body for the rectangle being made up of crisscross crossbeam, the upper and lower surface of crossbeam is provided with pre-stressing tendon, bent cap is equipped with difunctional loading end on two adjacent sides, on bent cap stretching end A is provided with the symmetrical another side in one of them side provided with difunctional loading end, on bent cap stretching end B is provided with this two symmetrical sides between two neighboring difunctional loading end or between two neighboring stretching end A, the deformed bar hole of connection pre-stressing tendon is offered on loading end pasting board and two stretching ends.The utility model can carry out the test of loading joint test simultaneously to test body and tensioning function test is tested, and can more truly reflect the anti-seismic performance of high-rise or super-high building structure, its failure mechanism is studied more perfectly, is that engineering practice escorts.
Description
Technical field：
The utility model belongs to civil engineering experimental technique field, and in particular to it is two-way that one kind is applied to high building structure
The loading device of load test.
Background technology：
High-rise or super-high building structure is quickly grown in China, and some regions of providing fortification against earthquakes also go out with highly seismic region
Show the class formation, and the class formation is not examined in China city by violent earthquake, in order to ensure the class formation in incident
When meeting earthquake, its internal person and the normal operation in property safety and city resist to high-rise or super-high building structure
It is particularly significant that shock stability, which carries out experimental study,.The experimental study to high-rise or super-high building structure is confined to mostly both at home and abroad
Small scale model, successive optimization and the raising of scientific research demand with China's pseudo-dynamic experiment room condition, high-rise or Super High
Building structure engineer's scale gradually increases, and not yet has the experiment dress tested the anti-seismic performance of such building structure at present
Put, it is impossible to study its failure mechanism more perfectly.
The content of the invention：
The utility model is to overcome above mentioned problem to be applied to adding for high building structure bilateral loading there is provided a kind of
Carry and put, it can carry out the test of loading joint test simultaneously to test body and tensioning function test is tested, can be more truly anti-
The anti-seismic performance of high-rise or super-high building structure is mirrored, its failure mechanism is studied more perfectly, is that engineering practice escorts.
Loading device of the present utility model suitable for high building structure bilateral loading, to achieve the above object institute
The technical scheme of use is：Including bent cap, difunctional loading end, stretching end A and stretching end B, the bent cap is by handing in length and breadth
The trend of crossbeam is provided with pre-stressing tendon, bent cap in the beam body for the rectangle that wrong crossbeam is constituted, the upper and lower surface of crossbeam
On two adjacent sides it is spaced apart be provided with difunctional loading end, bent cap be provided with one of them it is difunctional
The another side that the side of loading end is symmetrical is provided with stretching end A, bent cap on this two symmetrical sides in adjacent
Stretching end B is provided between two difunctional loading ends or between two neighboring stretching end A, the difunctional loading end includes adding
End web is carried, the symmetrical two ends of the loading end web are respectively equipped with loading end pasting board and loading end load plate, described to add
Carry and offer loader connecting hole in the load plate of end；The stretching end A includes stretching end A pasting boards, and the stretching end B includes tensioning
Hold the prestressing force that connection pre-stressing tendon is offered on B pasting boards, loading end pasting board, stretching end A pasting boards and stretching end B pasting boards
Reinforced hole.
It is spaced apart on the side of bent cap to have poured one group of pre-buried steel as further improvement of the utility model
Muscle, every group of embedded bar is parallel to each other two, and the crossbeam of two embedded bars and place side is mutually perpendicular to and one end is stretched out
Outside bent cap.Stretching end A, stretching end B are fixedly connected with by embedded bar, or loading end pasting board can be fixedly connected with.
As further improvement of the utility model, on the loading end pasting board, stretching end A pasting boards and stretching end pasting board
Offer the embedded bar spacing hole of connection embedded bar.So make loading end pasting board, stretching end A pasting boards and stretching end B pasting boards
Both are made to be close to be fixed on the side of bent cap respectively by the connection with embedded bar.
As further improvement of the utility model, embedded anchor bar, pre-buried anchor have been poured in the crossbeam of bent cap end
Bar is stretched out outside bent cap.Difunctional loading end can be carried out by embedded anchor bar detachably connected.
As further improvement of the utility model, the pre-buried anchor of connection embedded anchor bar is offered on the loading end pasting board
Bar bolt hole, loading end pasting board is fixed on embedded anchor bar by anchor pole fixing bolt, stretching end A pasting boards and stretching end B pasting boards
On offer connection embedded bar embedded bar spacing hole.It is arranged such and loading end pasting board is close to the table that is fixed on bent cap
Face, realizes being detachably connected for difunctional loading end and bent cap.
As further improvement of the utility model, the medial extremity of the embedded anchor bar is fixed on pre-embedded steel slab, described
Pre-embedded steel slab is cast in bent cap.It is arranged such, embedded anchor bar is fixed in bent cap by pre-embedded steel slab, improves pre-buried anchor
The intensity of bar.
As further improvement of the utility model, the bottom of the bent cap is provided with lower wall body, bent cap or lower walls
PVC sleeve pipes are provided with vivo.For labyrinth can flexibly tensioning and external stretching plan in selective body, needed during internal tensioning pre-buried
PVC sleeve pipes.
As further improvement of the utility model, the surface of the web is provided with criss-cross ribbed stiffener.It is arranged such,
The overall intensity of difunctional loading end can be improved by criss-cross ribbed stiffener.
As further improvement of the utility model, the pre-stressing tendon of the crossbeam upper and lower surface is respectively close to opposite
Both sides be arranged on crossbeam, the loading end pasting board, stretching end A pasting boards and stretching end B pasting boards are opened at diagonal positions
If the deformed bar hole of two connection pre-stressing tendons.It is arranged such, the overall intensity of bent cap can be improved.
As further improvement of the utility model, the lateral surface of the stretching end A pasting boards is in the diagonal positions at two ends
Place is provided with the deformed bar hole position opened up on stretching end A backing plates, and stretching end A pasting boards in stretching end A backing plates position
Place simultaneously passes through stretching end A backing plates.It is arranged such, is easy to be attached with pre-stressing tendon, while improves the strong of stretching end A
Degree.
As further improvement of the utility model, the middle part of stretching end A pasting boards is provided with the stretching end A backing plate phases with two ends
The stretching end A ribbed stiffeners of connection.It is arranged such, can further improve stretching end A intensity.
As further improvement of the utility model, built-in profile steel is provided with the bent cap.It is arranged such, by built-in
Shaped steel can ensure the levelness of loading surface, improve the outer rigidity on bent cap surface, be conducive to the water of large scale high building structure
Flat loading.
As further improvement of the utility model, the two ends of the loading end pasting board and loading end load plate pass through loading
Flange plate is held to be connected.It is arranged such, the bulk strength of difunctional loading end can be improved.
The beneficial effects of the utility model are：The difunctional loading end that the utility model is set is integrated tensioning and is connected with loading
Function is in one, and the stretching force applied should be greater than loading tensile, and two dimension prestressing tensioning adds the globality of bent cap, and
During so that applying Cyclic Loading to difunctional loading end, the concrete of bent cap is in pressured state all the time, it is to avoid loading device is carried
Before go to pot.The utility model realizes two kinds of effects of same device, i.e., difunctional loading end can realize that test body is loaded simultaneously
Connection and bent cap prestressed stretch-draw function；It is steel member that loading therein, which is connected with pre-stress stretching device, passes through pre-buried steel
Muscle carries out spacing welding or the detachable assembling type connection of embedded anchor bar, convenient to install, and repeats and utilizes, saves experimentation cost.
The utility model not only can carry out horizontal addload experiment to superelevation, the size chi structure of high, medium and low layer but also can be for multiple
Miscellaneous structure choice internal and external prestressing stretching plan, flexible design has a wide range of application.
Brief description of the drawings：
Fig. 1 is the structural representation of loading device of the present utility model；
Fig. 2 is the structural representation that built-in fitting is arranged when bent cap of the present utility model is poured；
Fig. 3 is the connection diagram of pre-embedded steel slab of the present utility model and embedded anchor bar；
Fig. 4 is the structural representation of pre-embedded steel slab of the present utility model；
Fig. 5 is the cross-sectional view of bent cap of the present utility model；
Fig. 6 is loading connection of the present utility model and tensioning dual function apparatus schematic diagram；
Fig. 7 is tensioning equipment schematic diagram of the present utility model；
Fig. 8 is difunctional loading end schematic diagram of the present utility model；
Fig. 9 is loading end pasting board schematic diagram in embodiment two of the present utility model；
Figure 10 is loading end load plate schematic diagram of the present utility model；
Figure 11 is stretching end B pasting board schematic diagrames of the present utility model.
Figure 12 is the sectional view of stretching end A pasting boards of the present utility model；
Figure 13 be Figure 14 along C-C to sectional view；
Figure 14 be Figure 14 along D-D to sectional view；
Figure 15 is the structural representation of stretching end A pasting boards of the present utility model；
Figure 16 is vertical view scheme of installation when the utility model carries out load test；
Figure 17 is Figure 16 front view；
In figure, pre-stressing tendon 1, PVC sleeve pipes 2, embedded anchor bar 3, pre-embedded steel slab 4, built-in profile steel 5, bent cap 6 hold anchor
7th, stretching end A backing plates 8, stretching end A pasting boards 9, stretching end A ribbed stiffeners 10, embedded bar 11, anchor pole fastening bolt 12, stretching end B
Pasting board 13, loading end pasting board 14, loading end load plate 15, loading end flange plate 16, loading end ribbed stiffener 17, difunctional loading end
18th, loading end web 19, stretching end A flange plates 20, embedded bar spacing hole 21, deformed bar hole 22, loader connecting hole
23, embedded anchor bar bolt hole 24.
Embodiment：
Embodiment one
The loading device suitable for high building structure bilateral loading in the present embodiment, including it is bent cap 6, difunctional
Loading end 18, stretching end A and stretching end B, referring to Figures 1 and 2, the bent cap 6 are the squares being made up of crisscross crossbeam 61
Built-in profile steel 5 is provided with the beam body of shape, reference picture 5, bent cap 6, the bottom of the bent cap 6 is provided with lower wall body 62, reference picture
1, the trend of crossbeam 61 is provided with pre-stressing tendon 1 in the upper and lower surface of crossbeam 61, the upper and lower surface of crossbeam 61 it is pre-
Stress tendon 1 is arranged on crossbeam 61 respectively close to opposite both sides, reference picture 2, and a spacing is spaced on each side of bent cap 6
From one group of embedded bar 11 has been poured, every group of embedded bar 11 is parallel to each other two, two embedded bars 1 and place side
Crossbeam 61 is mutually perpendicular to and one end is stretched out outside bent cap 6；Reference picture 8, the difunctional loading end 18 includes loading end pasting board 14, added
Load end load plate 15 and loading end web 19, the surface of the loading end web 19 are provided with criss-cross ribbed stiffener 17, described to add
Carry the symmetrical two ends of end web 19 and be respectively equipped with loading end pasting board 14 and loading end load plate 15, loading end pasting board 14 and plus
The two ends for carrying end load plate 15 are connected by loading end flange plate 16, and loader connection is offered in the loading end load plate 15
Hole 23；Reference picture 12 is to Figure 14, and the stretching end A includes stretching end A pasting boards 9, stretching end A backing plates 8 and stretching end A ribbed stiffeners
The lateral surface of 10, stretching end A pasting board 9 is provided with stretching end A backing plates 8 at the diagonal positions at two ends, stretching end A pasting boards 9
Middle part is provided with the stretching end A ribbed stiffeners 10 being connected with the stretching end A backing plates 8 at two ends；Reference picture 11, the stretching end B includes
Stretching end B pasting boards 13, reference picture 8, Figure 12 to Figure 14, Figure 11, loading end pasting board 14, stretching end A pasting boards 9 and stretching end B pasting boards
The deformed bar hole 22 of connection pre-stressing tendon 1 and the embedded bar spacing hole of connection embedded bar 11 are offered on 13
The deformed bar hole 22 opened up on 21, and stretching end A pasting boards 9 is located at the position of stretching end A backing plates 8 and passes through stretching end
A backing plates 8, the loading end pasting board 14, stretching end A pasting boards 9 and stretching end B pasting boards 13 open up two companies at diagonal positions
Connect the deformed bar hole 22 of pre-stressing tendon 1.It is spaced apart on reference picture 1, two adjacent sides of bent cap 6 to be all provided with
The symmetrical opposite side in the side that one of them is provided with difunctional loading end 18 is equipped with difunctional loading end 18, bent cap 6
Face is provided with stretching end A, bent cap 6 on this two symmetrical sides between two neighboring difunctional loading end 18 or phase
Stretching end B is provided between two stretching end A of neighbour, the loading end pasting board 14, stretching end A pasting boards 9 and stretching end B pasting boards 13 are equal
It is close to be fixed on the side of bent cap 6 respectively by the connection with embedded bar 11.
Manufacturing process and occupation mode of the present utility model are：
Arrangement of reinforcement is calculated according to test body, bent cap 6 and structure back timber are designed to the test body for being integrated and being connected with bottom same
When pour, concrete structure is as shown in figure 17.In order to ensure loading surface level, the outer rigidity on the surface of bent cap 6 is improved, can be before pouring
Pre-buried built-in profile steel 5 in bent cap 6.Need embedded bar 11 to be nuzzled in advance in bent cap 6 according to Fig. 2 design attitudes before pouring, poured
Difunctional loading end 18, stretching end A and stretching end B installation can be carried out by finishing and reaching after prescribed strength, be specifically：It is difunctional to add
When carrying the installation of end 18, the embedded bar spacing hole 21 on loading end pasting board 14 is packed into embedded bar 11, will after being adjacent to bent cap 6
Embedded bar 11 is welded and fixed with difunctional loading end pasting board 14, then passes through the end of the pre-stressing tendon 1 at this position
End anchor 7, is tightened on the end of pre-stressing tendon 1 by the deformed bar hole 22 opened up on loading end pasting board 14 afterwards；
The embedded bar spacing hole 21 of stretching end A pasting boards 9 is packed into embedded bar 11 by pull end A when installing, will be pre-buried after being adjacent to bent cap 6
Reinforcing bar 11 and stretching end A pasting boards 9 are welded, then the end of the pre-stressing tendon 1 at this position is passed through stretching end A pasting boards
The deformed bar hole 22 opened up on 9, afterwards will end anchor 7 be tightened on the end of pre-stressing tendon 1, wherein stretching end A with
Difunctional loading end 18 constitutes a set of loading device and tensioning equipment as shown in Figure 6；Stretching end B pasting boards 13 by opening thereon
If embedded bar spacing hole 21 pack into embedded bar 11, in the root of embedded bar 11 by embedded bar after being adjacent to bent cap 6
11 are welded and fixed with stretching end B pasting boards 13, then the end of the pre-stressing tendon 1 at this position is pasted through stretching end B
The deformed bar hole 22 opened up on plate 13, two stretching end B for so making the both sides of bent cap 6 symmetrical pass through pre-stressing tendon
1 constitutes a set of tensioning equipment as shown in Figure 7, and loading end load plate 15 can be by loader connecting hole 23 thereon whole
The piston rod that loading device installs afterwards with electro-hydraulic loading device is threadedly coupled, after connection electro-hydraulic loading device
Structure is as shown in Figure 16 and Figure 17.
When the concrete strength of the bent cap 6 at the top of test body reaches more than the 85% of design strength, age meets
Code requirement can tensioning, can be according to numerical simulation calculation result, according to ensuring to keep during difunctional 18 tension load of loading end
The concrete of bent cap 6 is in pressured state to determine the consumption and σ con (control stress for prestressing) of pre-stressing tendon 1, tensioning
Program is according to 0 → primary stress (10% σconControl stress for prestressing) → (20% σconControl stress for prestressing) → 100% σcon(hold
Lotus 2 minutes) anchoring.
Embodiment two
The present embodiment from unlike embodiment one, reference picture 2, Fig. 3 and Fig. 4 are poured in the crossbeam 61 of the end of bent cap 6
Pre-embedded steel slab 4 has been built, embedded anchor bar 3 is fixed by pre-embedded steel slab 4, embedded anchor bar 3 is stretched out outside bent cap 6, reference picture 9 is described to add
Carry end pasting board 14 on offer connection embedded anchor bar 3 embedded anchor bar bolt hole 24, reference picture 6, difunctional loading end 18 plus
Carry end pasting board 14 to be fixed on embedded anchor bar 3 by anchor pole fixing bolt 12, so that loading end pasting board 14 is close to be fixed on lid
The surface of beam 6, realizes being detachably connected for difunctional loading end 18 and bent cap 6.
On the basis of embodiment one, pour also need to embedded anchor bar 3 and pre-embedded steel slab 4 is pre- according to Fig. 2 design attitudes
Nuzzle in bent cap 6.From unlike embodiment one, when difunctional loading end 18 is installed, by the pre-buried anchor on loading end pasting board 14
Bar bolt hole 24 is packed into embedded anchor bar 3, then tightens anchor pole fastening bolt 12, realizes the detachable of difunctional loading end 18
Connection.
Embodiment three
The present embodiment from unlike embodiment one or two, reference picture, 1, Fig. 2 and Fig. 7, in bent cap 6 or lower wall body 62
It is interior to be provided with PVC sleeve pipes 2,
On the basis of embodiment one or embodiment two, also needed to when pouring PVC sleeve pipes 2 is pre- according to Fig. 2 design attitudes
Nuzzle in bent cap 6, PVC sleeve pipes 2 can also nuzzle in lower wall body 62 as needed.
Claims (10)
1. a kind of loading device suitable for high building structure bilateral loading, it is characterised in that：Including bent cap (6), double
Function loading end (18), stretching end A and stretching end B, the bent cap (6) is the rectangle being made up of crisscross crossbeam (61)
The trend of crossbeam (61) is provided with pre-stressing tendon (1) in beam body, the upper and lower surface of crossbeam (61), bent cap (6) is adjacent
Spaced apart be provided with difunctional loading end (18), bent cap (6) is provided with double work(with one of them on two sides
The another side that the side of energy loading end (18) is symmetrical is provided with this two symmetrical sides on stretching end A, bent cap (6)
On stretching end B is provided between two neighboring difunctional loading end (18) or between two neighboring stretching end A, it is described difunctional
Loading end (18) includes loading end web (19), and the symmetrical two ends of the loading end web (19) are respectively equipped with loading end patch
Loader connecting hole (23) is offered on plate (14) and loading end load plate (15), the loading end load plate (15)；Described
Pull end A includes stretching end A pasting boards (9), and the stretching end B includes stretching end B pasting boards (13), loading end pasting board (14), stretching end A
The deformed bar hole (22) of connection pre-stressing tendon (1) is offered on pasting board (9) and stretching end B pasting boards (13).
2. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 1, its feature exists
In：Spaced apart on the side of bent cap (6) to have poured one group of embedded bar (11), every group of embedded bar (11) is mutually equal
The crossbeam (61) of capable two, two embedded bars (11) and place side is mutually perpendicular to and bent cap (6) is stretched out outside in one end.
3. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 2, its feature exists
In：Connection embedded bar is offered on the loading end pasting board (14), stretching end A pasting boards (9) and stretching end B pasting boards (13)
(11) embedded bar spacing hole (21).
4. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 2, its feature exists
In：Embedded anchor bar (3) is poured in the crossbeam of bent cap (6) end, embedded anchor bar (3) stretches out bent cap (6) outside.
5. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 4, its feature exists
In：The embedded anchor bar bolt hole (24) of connection embedded anchor bar (3), loading end pasting board are offered on the loading end pasting board (14)
(14) it is fixed on by anchor pole fixing bolt (12) on embedded anchor bar (3), on stretching end A pasting boards (9) and stretching end B pasting boards (13)
Offer the embedded bar spacing hole (21) of connection embedded bar (11).
6. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 5, its feature exists
In：The medial extremity of the embedded anchor bar (3) is fixed on pre-embedded steel slab (4), and the pre-embedded steel slab (4) is cast in bent cap (6).
7. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 1, its feature exists
In：The bottom of the bent cap (6) is provided with lower wall body (62), bent cap (6) or is provided with lower wall body (62) PVC sleeve pipes (2).
8. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 1, its feature exists
In：The surface of the web (19) is provided with criss-cross loading end ribbed stiffener (17).
9. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 1, its feature exists
In：The pre-stressing tendon (1) of crossbeam (61) upper and lower surface is arranged on crossbeam (61) respectively close to opposite both sides, institute
State loading end pasting board (14), stretching end A pasting boards (9) and stretching end B pasting boards (13) and two connections are opened up at diagonal positions
The deformed bar hole (22) of pre-stressing tendon (1), the lateral surface of the stretching end A pasting boards (9) is in the diagonal position at two ends
The place of putting is provided with the deformed bar hole (22) opened up on stretching end A backing plates (8), and stretching end A pasting boards (9) and is located at stretching end A
At backing plate (8) position and through stretching end A backing plates (8).
10. a kind of loading device suitable for high building structure bilateral loading as claimed in claim 1, its feature exists
In：Built-in profile steel (5) is provided with the bent cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720370450.9U CN206593958U (en) | 2017-04-10 | 2017-04-10 | A kind of loading device suitable for high building structure bilateral loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720370450.9U CN206593958U (en) | 2017-04-10 | 2017-04-10 | A kind of loading device suitable for high building structure bilateral loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206593958U true CN206593958U (en) | 2017-10-27 |
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ID=60121151
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720370450.9U Expired - Fee Related CN206593958U (en) | 2017-04-10 | 2017-04-10 | A kind of loading device suitable for high building structure bilateral loading |
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| CN (1) | CN206593958U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360743A (en) * | 2018-05-09 | 2018-08-03 | 长沙理工大学 | Built-in H profile steel prestressed concrete beam and preparation method and beam sliding monitoring device and method |
| CN110044728A (en) * | 2019-04-09 | 2019-07-23 | 上海大学 | A kind of external prestressing precast assembly concrete component seam shear strength test device |
| CN113432850A (en) * | 2021-05-28 | 2021-09-24 | 同济大学建筑设计研究院(集团)有限公司 | Bidirectional prestressed reinforced concrete equipment test device |
-
2017
- 2017-04-10 CN CN201720370450.9U patent/CN206593958U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360743A (en) * | 2018-05-09 | 2018-08-03 | 长沙理工大学 | Built-in H profile steel prestressed concrete beam and preparation method and beam sliding monitoring device and method |
| CN110044728A (en) * | 2019-04-09 | 2019-07-23 | 上海大学 | A kind of external prestressing precast assembly concrete component seam shear strength test device |
| CN113432850A (en) * | 2021-05-28 | 2021-09-24 | 同济大学建筑设计研究院(集团)有限公司 | Bidirectional prestressed reinforced concrete equipment test device |
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Granted publication date: 20171027 Termination date: 20180410 |