CN206829209U - A kind of single pile pullout tests system with steady structure - Google Patents
A kind of single pile pullout tests system with steady structure Download PDFInfo
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- CN206829209U CN206829209U CN201721158536.1U CN201721158536U CN206829209U CN 206829209 U CN206829209 U CN 206829209U CN 201721158536 U CN201721158536 U CN 201721158536U CN 206829209 U CN206829209 U CN 206829209U
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- single pile
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- jack
- main girder
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Abstract
A kind of single pile pullout tests system with steady structure, including support pier, main girder steel, jack, anchor disk, pull element and tested single pile；Two support piers are with tested single pile center symmetric setting, at least two jack are carried on each support pier, jack is symmetrical set using the center for being tested single pile as axis, two jack positioned at two support piers prop up a main girder steel respectively, support pier is in longitudinally disposed, for main girder steel in laterally setting, two main girder steels form " well " character form structure relative to two support piers；Pull element includes constraint steel plate and prefabricated component；Prefabricated component includes connection reinforcing bar, and connection reinforcing bar upper end is threaded shank, and threaded shank is provided with multiple nuts；Constrained port is offered on constraint steel plate, constraint steel plate is positioned over above anchor hole, and constrained port is laminated in above anchor hole, and connection reinforcing bar passes through constrained port, and the nut of connection reinforcing bar upper end is arranged in the constrained port both sides of constraint steel plate.
Description
Technical field
It the utility model is related to single pile pullout tests technical field, particularly a kind of single pile resistance to plucking examination with steady structure
Check system.
Background technology
Tested unit for single-pile vertical anti-pulling static test detection is to carry out a kind of method of testing inspection to the stake in engineering, with true
Surely it is tested vertical ultimate uplift resistance of single pile；Judge whether vertically pulling-resistant bearing capacity meets design requirement；Pass through Internal forces
And deformation test, determine the resistance to plucking frictional resistance of stake.
Current large-tonnage single pile pullout tests obtain accurately experiment knot to ensure the uniform force of tested single pile
Fruit, its device used in terms of the peace on it is complex, cause operating efficiency low；Further, since the part of pilot system is all
There is larger quality, unstable test structure can not be used in order to improve efficiency, experiment potential safety hazard is present.
Utility model content
For drawbacks described above, the purpose of this utility model is to propose a kind of single pile pullout tests system with steady structure
System, the system have Stability Analysis of Structures, the effect of convenient disassembly.
To use following technical scheme up to this purpose, the utility model：
A kind of single pile pullout tests system with steady structure, including support pier, main girder steel, jack, anchor disk, drawing
Component and tested single pile；
Two support piers each carry at least two institutes with tested single pile center symmetric setting on the support pier
State jack, the jack is symmetrical set using the center for being tested single pile as axis, respectively positioned at two support piers
Two jack prop up a main girder steel, and the support pier is in longitudinally disposed, and the main girder steel is in laterally setting, two institutes
State main girder steel and form " well " character form structure relative to two support piers；
The anchor disk carrying is positioned over two main girder steel centers, and the anchor disk is located at directly over the tested single pile,
The upper surface of the anchor disk offers multiple anchor holes, multiple anchor holes on the basis of anchor disk center, circular array
Mode arranges that the anchor hole penetrates the anchor disk from top to bottom；
The pull element includes constraint steel plate and prefabricated component；The prefabricated component includes connection reinforcing bar, the connection reinforcing bar
Upper end is threaded shank, and the threaded shank is provided with multiple nuts；
Constrained port is offered on the constraint steel plate, the constraint steel plate is positioned over above the anchor hole, the constraint
Aperture layer is laminated on above the anchor hole, and the connection reinforcing bar passes through the constrained port, and the nut card of the connection reinforcing bar upper end is set
In the constrained port both sides of constraint steel plate.
It is preferred that the support pier includes base portion and forced section, the force part is in the base portion top；
The base portion is concrete structure, and the forced section is reinforced concrete structure, the base portion and forced section
It is integrated；
The forced section includes being no less than compound steel muscle net, and the spacing between the bar-mat reinforcement is 8cm-10cm.
It is preferred that the anchor disk both sides are installed with two suspension hooks respectively.
It is preferred that the forced section of the support pier is divided into base portion and cone portion from top to bottom；
The rectangular body shape of base portion, the section of the cone portion is from lower to upper in the trapezoidal shape gradually tapered up.
Further, the bar-mat reinforcement in the support pier uses the reinforcing bar of 8mm or 10mm diameters；
The concrete grade of the support pier is C25.
Further, the anchor hole is in elongated strip, and the length of the anchor hole is more than 3 times of connection bar diameter,
The width of the overall diameter of the nut is 1.5 times of connection reinforcing bar；
Constrained port is offered on the constraint steel plate, the constrained port is identical with the shape of the anchor hole.
Further, docking position is offered below the main girder steel, the docking position is in inner concavity, the work of the jack
Make the docking position that end is aligned and is constrained in the main steel beam bottom.
Further, the jack is 320 tons of jack.
Steel reinforcement cage is provided with inside the tested single pile, the steel reinforcement cage includes vertically arranged reinforcing bar and annular frame, institute
Vertically arranged reinforcement welding is stated in the annular frame, makes the steel reinforcement cage cylindrical, the reinforcing bar of the steel reinforcement cage exposes
Appeared for reinforcing bar the part of tested single pile upper end；
The anchor draws component to be welded in the tested single pile through the anchor hole, the net cage reinforcing bar being tested inside single pile,
And reinforcing bar is appeared.
The beneficial effects of the utility model：The bearing structure of " well " font has been used in this programme, has made whole pilot system
Structure it is more stable, and then ensure that the progress of safety is capable of in experiment, in addition, carrying anchor disk using main girder steel, make anchor disk horizontal
Across distance it is bigger, the spacing between jack is widened, in the case where spacing is longer, because falling between two jack
Gradient caused by difference will be smaller, ensure that the levelness of anchor disk as far as possible, is more beneficial for anchor disk keep level degree, and then
Enable connection reinforcing bar that uniform lifting dynamics is delivered into tested single pile, make the data of experiment more accurate；In addition, this programme uses
Anchor part of the nut as connection reinforcing bar upper end, when device removes operation, nut and constraint steel plate are dismantled and then
Anchor disk is sling, you can connection reinforcing bar is stayed on tested single pile, can continue on for constructing, not influence tearing open for pilot system
Unload.
Brief description of the drawings
Fig. 1 is the installation diagram of one embodiment of the present utility model；
Fig. 2 is the end structure illustration of the support pier of one embodiment of the present utility model；
Fig. 3 is the use state diagram that anchor draws component in one embodiment of the present utility model；
Fig. 4 is the top view of the anchor disk of one embodiment of the present utility model；
Fig. 5 is the partial enlarged drawing at B in Fig. 3
Fig. 6 is the partial enlarged drawing at C in Fig. 3；
Fig. 7 is the partial enlarged drawing at A in Fig. 4.
Wherein：It is support pier 100, base portion 110, base portion 111, cone portion 112, forced section 120, main girder steel 200, very heavy
Top 300, anchor disk 400, anchor hole 410, suspension hook 420, pull element 500, constraint steel plate 510, constrained port 511, prefabricated component 520,
Connection reinforcing bar 521, threaded shank 522, nut 523, tested single pile 600, reinforcing bar appear 610.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
As shown in figs. 1-7, a kind of single pile pullout tests system with steady structure, including support pier 100, main girder steel
200th, jack 300, anchor disk 400, pull element 500 and tested single pile 600；
Two support piers 100 are each carried with the tested center symmetric setting of single pile 600 on the support pier 100
At least two jack 300, the jack 300 are symmetrical set using the center for being tested single pile 600 as axis, respectively position
Prop up a main girder steel 200 in two jack of two support piers 100, the support pier 100 in longitudinally disposed,
For the main girder steel 200 in laterally setting, two main girder steels form " well " font knot relative to two support piers 100
Structure；
The carrying of anchor disk 400 is positioned over two main girder steel centers, and the anchor disk 400 is located at the tested single pile
Directly over 600, the upper surface of the anchor disk 400 offers multiple anchor holes 410, and multiple anchor holes 410 are with anchor disk 400
On the basis of the heart, the mode of circular array is arranged, the anchor hole 410 penetrates the anchor disk 400 from top to bottom；
The pull element 500 includes constraint steel plate 510 and prefabricated component 520；The prefabricated component 520 includes connection reinforcing bar
521, connection reinforcing bar 521 upper end is threaded shank 522, and the threaded shank 522 is provided with multiple nuts 523；
Constrained port 511 is offered on the constraint steel plate 510, the constraint steel plate 510 is positioned on the anchor hole 410
Side, the constrained port 511 are laminated in the top of anchor hole 410, and the connection reinforcing bar 521 passes through the constrained port 511, described
The nut 522 of connection reinforcing bar 521 upper end is arranged in the both sides of constrained port 511 of constraint steel plate 510.
The bearing structure of " well " font has been used in this programme, has made the structure of whole pilot system more stable, and then has been ensured
The progress of safety is capable of in experiment, in addition, carry anchor disk 400 using main girder steel 200, make anchor disk 400 across distance it is bigger,
Spacing between jack 300 is widened, in the case where spacing is longer, because the drop between two jack 300 causes
Gradient will be smaller, ensure that the levelness of anchor disk 400 as far as possible, be more beneficial for the keep level degree of anchor disk 400, and then
Enable connection reinforcing bar 521 that uniform lifting dynamics is delivered into tested single pile 600, make the data of experiment more accurate；It is in addition, our
Case has used anchor part of the nut 522 as connection reinforcing bar 521 upper end, when device removes operation, nut 522 and constraint
Steel plate 510 is dismantled and then slings anchor disk 400, you can connection reinforcing bar 521 is stayed on tested single pile, can continue on for
Construction, does not influence the dismounting of pilot system.
Wherein, the support pier 100 includes base portion 110 and forced section 120, and the forced section 120 is located at the pedestal
The top of portion 110；
The base portion 110 is concrete structure, and the forced section 120 is reinforced concrete structure, the base portion 110
It is integrated with forced section 120；
The forced section 120 includes being no less than compound steel muscle net, and the spacing between the bar-mat reinforcement is 8cm-10cm.
During experiment, the tops of two support piers 100 will bear larger load, therefore by the top of support pier 100
End be set to forced section 120, make the internal force of the force part on the top of support pier 100 stronger, make support pier 100 bear load it
Afterwards, main girder steel 200 can be reliably supported, guarantee test smoothly completes.
Wherein, the both sides of anchor disk 400 are installed with two suspension hooks 420 respectively.
The setting of suspension hook 420, is easy to the lifting of anchor disk 400, and this programme is mounted with two suspension hooks in the both sides of anchor disk respectively
420, it is ensured that in lifting, anchor disk can be lifted with horizontality.
In addition, the forced section 120 of the support pier 100 is divided into base portion 111 and cone portion 112 from top to bottom；
The rectangular body shape of base portion 111, the section of the cone portion 112 are trapezoidal in gradually tapering up from lower to upper
Shape.
Support pier 100 is big with the area of bottom, and the reaction force for making support pier 100 be subject in pullout tests has sufficiently large
Diffusional area, sink after avoiding the stress of support pier 100, ensure that the accurate of test data, and the area at the top of support pier 100
It is small, but have enough intensity, make the domestic animal area between main girder steel 200 and support pier 100 smaller, so as to ensure that main girder steel
200 levelness, and then ensure that the accuracy of test data.
In addition, the bar-mat reinforcement in the support pier 100 uses the reinforcing bar of 8mm or 10mm diameters；
The concrete grade of the support pier 100 is C25.
The structural strength of armored concrete is big, support pier 100 is had enough endurance.
Wherein, the anchor hole 410 is in elongated strip, and the length of the anchor hole 410 is more than the connection diameter of reinforcing bar 521
3 times, the width of the overall diameter of the nut 523 is 1.5 times of connection reinforcing bar 521；
Constrained port 511, the shape phase of the constrained port 511 and the anchor hole 510 are offered on the constraint steel plate 510
Together.
The overall diameter of nut 523 have to be larger than the width of constrained port 511, and the effect of nut 523 is to block connection reinforcing bar
521, the upper end of connection reinforcing bar 521 is hung on the anchor disk 400, and then be easy to connect the lower end of reinforcing bar 521 and tested list
Stake 600 is welded.
Wherein, the lower section of main girder steel 200 offers docking position, and the docking position is in inner concavity, the jack 300
Working end is aligned and is constrained in the docking position of the bottom of main girder steel 200.
Main girder steel 200 is provided with installation position, when jack 300 is installed, prevents the position of jack and the contact of main girder steel 200
Mutually skid, this setup is easy to the assembling of equipment.
In addition, the jack 300 is 320 tons of jack.
This structure is used for the single pile pullout tests within kiloton, therefore 320 tonnes of jack 300 just disclosure satisfy that examination
The needs tested.
The inside of tested single pile 600 is provided with steel reinforcement cage, and the steel reinforcement cage includes vertically arranged reinforcing bar and annular frame,
The vertically arranged reinforcement welding makes the steel reinforcement cage cylindrical, the reinforcing bar dew of the steel reinforcement cage in the annular frame
Go out the part of the tested upper end of single pile 600 and appear 610 for reinforcing bar；
The anchor draws component 500 to be welded in the tested single pile 600 through the anchor hole 410, is tested inside single pile 600
Net cage reinforcing bar, and reinforcing bar appears 610.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (9)
- A kind of 1. single pile pullout tests system with steady structure, it is characterised in that including support pier, main girder steel, jack, Anchor disk, pull element and tested single pile；Two support piers each carry at least two described thousand with tested single pile center symmetric setting on the support pier Jin top, the jack is symmetrical set using the center for being tested single pile as axis, respectively positioned at two of two support piers Jack props up a main girder steel, and the support pier is in longitudinally disposed, and the main girder steel is in laterally setting, two masters Girder steel forms " well " character form structure relative to two support piers；The anchor disk carrying is positioned over two main girder steel centers, and the anchor disk is described directly over the tested single pile The upper surface of anchor disk offers multiple anchor holes, and multiple anchor holes are on the basis of anchor disk center, the mode of circular array Arrangement, the anchor hole penetrate the anchor disk from top to bottom；The pull element includes constraint steel plate and prefabricated component；The prefabricated component includes connection reinforcing bar, the connection reinforcing bar upper end For threaded shank, the threaded shank is provided with multiple nuts；Constrained port is offered on the constraint steel plate, the constraint steel plate is positioned over above the anchor hole, the constraint aperture layer It is laminated on above the anchor hole, the connection reinforcing bar passes through the constrained port, and the nut of the connection reinforcing bar upper end is arranged in about The constrained port both sides of beam steel plate.
- 2. the single pile pullout tests system according to claim 1 with steady structure, it is characterised in that the support pier Including base portion and forced section, the force part is in the base portion top；The base portion is concrete structure, and the forced section is reinforced concrete structure, and the base portion and forced section are one Body structure；The forced section includes being no less than compound steel muscle net, and the spacing between the bar-mat reinforcement is 8cm-10cm.
- 3. the single pile pullout tests system according to claim 2 with steady structure, it is characterised in that the anchor disk two Side is installed with two suspension hooks respectively.
- 4. the single pile pullout tests system according to claim 3 with steady structure, it is characterised in that the support pier Forced section be divided into base portion and cone portion from top to bottom；The rectangular body shape of base portion, the section of the cone portion is from lower to upper in the trapezoidal shape gradually tapered up.
- 5. the single pile pullout tests system according to claim 4 with steady structure, it is characterised in that the support pier In bar-mat reinforcement use 8mm or 10mm diameters reinforcing bar；The concrete grade of the support pier is C25.
- 6. the single pile pullout tests system according to claim 5 with steady structure, it is characterised in that the anchor hole In elongated strip, the length of the anchor hole is more than 3 times of connection bar diameter, and the width of the overall diameter of the nut is connection 1.5 times of reinforcing bar；Constrained port is offered on the constraint steel plate, the constrained port is identical with the shape of the anchor hole.
- 7. the single pile pullout tests system according to claim 6 with steady structure, it is characterised in that the main girder steel Lower section offers docking position, and the docking position is in inner concavity, and the working end of the jack is aligned and is constrained in the main girder steel The docking position of bottom.
- 8. the single pile pullout tests system according to claim 7 with steady structure, it is characterised in that the jack It is 320 tons of jack.
- 9. the single pile pullout tests system according to claim 8 with steady structure, it is characterised in that the tested list Stake is internal to be provided with steel reinforcement cage, and the steel reinforcement cage includes vertically arranged reinforcing bar and annular frame, the vertically arranged steel bar welding The annular frame is connected to, makes the steel reinforcement cage cylindrical, the reinforcing bar of the steel reinforcement cage exposes the part of tested single pile upper end Appeared for reinforcing bar；The anchor draws component to be welded in the tested single pile through the anchor hole, the net cage reinforcing bar being tested inside single pile, and Reinforcing bar is appeared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158536.1U CN206829209U (en) | 2017-09-11 | 2017-09-11 | A kind of single pile pullout tests system with steady structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158536.1U CN206829209U (en) | 2017-09-11 | 2017-09-11 | A kind of single pile pullout tests system with steady structure |
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| Publication Number | Publication Date |
|---|---|
| CN206829209U true CN206829209U (en) | 2018-01-02 |
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ID=60778554
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158536.1U Active CN206829209U (en) | 2017-09-11 | 2017-09-11 | A kind of single pile pullout tests system with steady structure |
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| Country | Link |
|---|---|
| CN (1) | CN206829209U (en) |
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2017
- 2017-09-11 CN CN201721158536.1U patent/CN206829209U/en active Active
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Address after: Two road 528041 Guangdong city of Foshan province at the No. 18 seat 2 Patentee after: Foshan highway bridge engineering monitoring station Co., Ltd. Address before: Two road 528041 Guangdong city of Foshan province at the No. 18 seat 2 Patentee before: Foshan highway and bridge engineering monitoring station |