CN206829206U - A kind of large-tonnage single pile pullout tests system - Google Patents
A kind of large-tonnage single pile pullout tests system Download PDFInfo
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- CN206829206U CN206829206U CN201721157006.5U CN201721157006U CN206829206U CN 206829206 U CN206829206 U CN 206829206U CN 201721157006 U CN201721157006 U CN 201721157006U CN 206829206 U CN206829206 U CN 206829206U
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- jack
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 230000003014 reinforcing Effects 0.000 claims abstract description 75
- 230000002787 reinforcement Effects 0.000 claims description 22
- 238000003032 molecular docking Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 210000003205 Muscles Anatomy 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000037237 body shape Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
A kind of large-tonnage single pile pullout tests system, including support pier, main girder steel, jack, anchor disk, anchor draw component and tested single pile；Two support piers are respectively positioned over two support pier upper ends with tested single pile center symmetric setting, the both ends of two main girder steels, and two main girder steels are laterally set relative to support pier；At least two jack are carried on each main girder steel, jack is set using tested single pile center as axisymmetrical, multiple jack support anchor disks；Multiple anchor holes on the basis of anchor disk center, arrange by the mode of circular array, and anchor hole penetrates anchor disk from top to bottom；Constrained port is offered on constraint steel plate, constraint steel plate is positioned over above anchor hole, constrained port is laminated in above anchor hole, connection reinforcing bar passes through constrained port, the constraint reinforcing bar of connection reinforcing bar both sides is arranged on constrained port, and the purpose of this utility model is to propose a kind of accurate large-tonnage single pile pullout tests system of result of the test.
Description
Technical field
Tested single pile detection technique field is the utility model is related to, particularly a kind of large-tonnage single pile pullout tests system.
Background technology
The detection of unit for single-pile vertical anti-pulling static test is to carry out a kind of method of testing inspection to the stake in engineering, to determine list
Stake vertically pulling-resistant ultimate bearing capacity；Judge whether vertically pulling-resistant bearing capacity meets design requirement；Surveyed by Internal forces and deformation
Examination, 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 the single pile pullout tests system for proposing a kind of large-tonnage, should
System installation is more convenient.
To use following technical scheme up to this purpose, the utility model：
A kind of large-tonnage single pile pullout tests system, including support pier, main girder steel, jack, anchor disk, anchor draw component and by
Survey single pile；
Two support piers with tested single pile center symmetric setting, respectively place by the both ends of two main girder steels
In two support pier upper ends, two main girder steels are laterally set relative to the support pier；
At least two jack are carried on each main girder steel, the jack is using tested single pile center as axle
Line is symmetrical arranged, and multiple jack support the anchor disk；
The anchor disk is in case shape, and polylith is provided with inside the anchor disk and strengthens steel plate, the reinforcing equal vertical welding of steel plate
In the anchor disk upper surface bottom, the reinforcing steel plate is arranged in a manner of crisscross；Multiple anchor holes are with anchor disk
On the basis of the heart, the mode of circular array is arranged, the anchor hole penetrates the anchor disk from top to bottom；
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 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 inside single pile, and
Reinforcing bar is appeared.
The anchor draws component to include constraint steel plate and prefabricated component；
The prefabricated component includes constraint reinforcing bar and connection reinforcing bar, the side of constraint reinforcing bar described no less than two and connection steel
The side of muscle is welded in symmetry status, and the constraint reinforcing bar and connection reinforcing bar are cross-shaped；
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, the constraint of the connection reinforcing bar both sides
Reinforcing bar is arranged on the constrained port.
It is preferred that the reinforcing bar that the tested single pile top is exposed is appeared, length is not less than 45cm, the connection reinforcing bar and
The reinforcing bar, which is appeared, to be welded to each other, and weld seam extends downwardly 40cm from reinforcing bar top of appearing.
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.
Further, the jack is fixedly installed in the main girder steel, and the bottom of the anchor disk is provided with docking position；
The docking position is in inner concavity, and the working end of the jack is aligned and is constrained in the docking of the main steel beam bottom
Position.
Further, the anchor disk both sides are installed with two suspension hooks respectively.
Further, 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.
It is preferred that 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 is C25.
It is preferred that the anchor hole is in elongated strip, the length of the anchor hole is more than 3 times of connection bar diameter, institute
The width for stating anchor hole 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.
The beneficial effects of the utility model：Structure in this programme is pyramidal structure, and support pier and main girder steel are relative
In setting structure in length and breadth, top view is in " well " character form structure, and this structure has preferable stability, constitutes planar
Bearing structure, furthermore, in this programme, at least two jack are carried on each main girder steel, are just installed on two main girder steels
There are at least four jack, four very heavy can equably to support anchor disk, enable the vertical rise of anchor disk, so as to will be very heavy
The pulling force that top applies accurately passes；In addition, the anchor hole that anchor disk center circular array is set, such a construction ensures
Traction force uniformly and exactly can be applied to tested single pile by pull bar；This programme ensure that test accuracy first, furthermore, we
The support pier of case, main girder steel, jack, anchor disk and anchor draw the pilot system that component is formed, and its part is few, more square when mounted
Just.It can be produced in batches in addition, the anchor of this programme draws component to include constraint steel plate and prefabricated component, the prefabricated component of this programme, make it
For the single pile pullout tests of a rank, when in use, upper end is hanging in constraint steel plate, the constraint steel of prefabricated component to prefabricated component
Muscle puts forth effort on constraint steel plate, and connects reinforcement welding in tested single pile, and by calculation formula, we can ensure safe load
In the range of, the usage amount of welding rod is reduced as far as possible, also improves operating efficiency, it is maximum by the way of welded and installed
Benefit is exactly that after completing the test, connection bar cutting is extracted out, that is, completes to remove, make disassembling for device more convenient.
Brief description of the drawings
Fig. 1 is the system integral installation schematic diagram of one embodiment of the present utility model；
Fig. 2 is the top view of the anchor disk 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 end structure illustration of the support pier 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 A in Fig. 2.
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, anchor draw component 500, constraint steel plate 510, constrained port 511, prefabricated component 520,
Constraint reinforcing bar 521, connection reinforcing bar 522, 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 figures 1 to 6, a kind of large-tonnage single pile pullout tests system, including support pier 100, main girder steel 200, jack
300th, anchor disk 400, anchor draw component 500 and tested single pile 600；
Two support piers 100 are with the tested center symmetric setting of single pile 600, the both ends of two main girder steels 200
Two upper ends of support pier 100 are respectively positioned over, two main girder steels 200 are laterally set relative to the support pier 100；
At least two jack 300 are carried on each main girder steel 200, the jack 300 is with tested single
600 centers of stake are set for axisymmetrical, and multiple jack 300 support the anchor disk 400；
The anchor disk 400 is in case shape, and the inside of anchor disk 400 is provided with polylith and strengthens steel plate 430, and the reinforcing steel plate is equal
Vertical welding is arranged in the anchor disk upper surface bottom, the reinforcing steel plate in a manner of crisscross；Multiple anchor holes
410 on the basis of the center of anchor disk 400, and the mode of circular array is arranged, the anchor hole 410 penetrates the anchor disk from top to bottom
400；
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 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, the net inside single pile 600
Case reinforcing bar, and reinforcing bar are appeared.
The anchor draws component 500 to include constraint steel plate 510 and prefabricated component 520；
The prefabricated component 520 includes constraint reinforcing bar 521 and connection reinforcing bar 522, the side of constraint reinforcing bar described no less than two
Face and the side of connection reinforcing bar are welded in symmetry status, and the constraint reinforcing bar and connection reinforcing bar are cross-shaped；
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 522 passes through the constrained port 511, described
The constraint reinforcing bar 521 of connection reinforcing bar 522 both sides is arranged on the constrained port 511.
Structure in this programme is pyramidal structure, and support pier 100 and main girder steel 200 are relative in setting structure in length and breadth,
Top view is in " well " character form structure, and this structure has preferable stability, constitutes the bearing structure of a planar, furthermore,
In this programme, at least two jack 300 are carried on each main girder steel 200, are just provided with least on two main girder steels 200
Four jack 300, four very heavy can equably to support anchor disk 400, enable the vertical rise of anchor disk, so as to will be very heavy
The pulling force that top 300 applies accurately passes；In addition, the anchor hole 410 that the center circular array of anchor disk 400 is set, this
Structure ensure that traction force uniformly and exactly can be applied to tested single pile 600 by pull bar；This programme ensure that experiment first
Precision, furthermore, the support pier 100, main girder steel 200, jack 300, anchor disk 400 and anchor of this programme draw what component 500 was formed
Pilot system, its part is few, is more convenient when mounted.In addition, the anchor drawing component 500 of this programme is including constraint steel plate 510 and in advance
Product 520, the prefabricated component 520 of this programme can be produced in batches, it is used for the single pile pullout tests of a rank, prefabricated component
520 when in use, and upper end is that hanging puts forth effort on constraint steel plate 510 in constraint steel plate 510, the constraint reinforcing bar 521 of prefabricated component 520,
And connect reinforcing bar 522 and be welded in tested single pile 600, by calculation formula, we can be in the range of safe load be ensured, to the greatest extent
The possible usage amount for reducing welding rod, also improves operating efficiency, by the way of welded and installed, maximum benefit is exactly complete
Into after experiment, connection reinforcing bar 522 is cut off into extraction, that is, completes to remove, makes disassembling for device more convenient.
In addition, the reinforcing bar that the top of tested single pile 600 is exposed is appeared, 610 length are not less than 45cm, the connection steel
Muscle 522 and the reinforcing bar, which are appeared, 610 to be welded to each other, and weld seam extends downwardly 40cm from the reinforcing bar 610 tops of appearing.
The reinforcing bar that tested single pile 600 exposes appears 610 in the case of 45cm, pull bar 100 and reinforcing bar appear 610 welding
Distance will reach 40cm, the reinforcing bar of pull bar 100 and foundation pile 700 is appeared and 610 be sufficiently fixed together, and ensure pull bar band
Dynamic reinforcing bar appear 610 when, pull bar and reinforcing bar, which are appeared, 610 will not fall off.
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.
In addition, the jack 300 is fixedly installed in the main girder steel 200, the bottom of the anchor disk 400 is provided with docking
Position；
The docking position is in inner concavity, and the working end of the jack 300 is aligned and is constrained in the bottom of main girder steel 200
Docking position.
Installation position is previously provided with main girder steel 200, when jack 300 is installed, jack 300 is directly fixed on main steel
The installation position set on beam 200, anchor disk is placed on corresponding position afterwards, the docking position of the bottom of anchor disk 500 is butted up against thousand
The working end on jin top 300；This setup is easy to the assembling of equipment.
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 contact 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.
Wherein, 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 is C25.
The structural strength of armored concrete is big, support pier 100 is had enough endurance.
In addition, the anchor hole 410 is in elongated strip, the length of the anchor hole 410 is more than the connection diameter of reinforcing bar 522
3 times, the width of the anchor hole 410 is 1.5 times of connection reinforcing bar 522；
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 effect of anchor hole 410 is to put forth effort constraint reinforcing bar 521, and the effect of constraint steel plate 510 is the firm of enhancing anchor disk 400
Degree.
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 (8)
- A kind of 1. large-tonnage single pile pullout tests system, it is characterised in that：Including support pier, main girder steel, jack, anchor disk, anchor Draw component and tested single pile；For two support piers with tested single pile center symmetric setting, the both ends of two main girder steels are respectively positioned over two Individual support pier upper end, two main girder steels are laterally set relative to the support pier；At least two jack are carried on each main girder steel, the jack is using tested single pile center as axis pair Claim to set, multiple jack support the anchor disk；The anchor disk is in case shape, and polylith is provided with inside the anchor disk and strengthens steel plate, the reinforcing equal vertical welding of steel plate is in institute Anchor disk upper surface bottom is stated, the reinforcing steel plate is arranged in a manner of crisscross；Multiple anchor holes using anchor disk center as Benchmark, the mode of circular array arrange that the anchor hole penetrates the anchor disk from top to bottom；Steel reinforcement cage is provided with inside the tested single pile, the steel reinforcement cage includes vertically arranged reinforcing bar and annular frame, described perpendicular To setting reinforcement welding in the annular frame, make the steel reinforcement cage cylindrical, the reinforcing bar of the steel reinforcement cage exposes single pile Appeared for reinforcing bar the part of upper end；The anchor draws component to be welded in the tested single pile through the anchor hole, the net cage reinforcing bar inside single pile, and reinforcing bar Appear；The anchor draws component to include constraint steel plate and prefabricated component；The prefabricated component includes constraint reinforcing bar and connection reinforcing bar, side and the connection reinforcing bar of constraint reinforcing bar described no less than two Side is welded in symmetry status, and the constraint reinforcing bar and connection reinforcing bar are cross-shaped；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, the constraint reinforcing bar of the connection reinforcing bar both sides It is arranged on the constrained port.
- 2. large-tonnage single pile pullout tests system according to claim 1, it is characterised in that：The tested single pile top dew The reinforcing bar gone out length of appearing is not less than 45cm, and the connection reinforcing bar and the reinforcing bar are appeared and be welded to each other, and weld seam is from the steel Muscle top of appearing extends downwardly 40cm.
- 3. large-tonnage single pile pullout tests system according to claim 2, it is characterised in that：The support pier includes pedestal 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.
- 4. large-tonnage single pile pullout tests system according to claim 3, it is characterised in that：The jack is fixedly mounted In the main girder steel, the bottom of the anchor disk is provided with docking position；The docking position is in inner concavity, and the working end of the jack is aligned and is constrained in the docking position of the main steel beam bottom.
- 5. large-tonnage single pile pullout tests system according to claim 4, it is characterised in that：The anchor disk both sides are solid respectively Dingan County is equipped with two suspension hooks.
- 6. large-tonnage single pile pullout tests system according to claim 5, it is characterised in that：The forced section of the support pier It 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.
- 7. large-tonnage single pile pullout tests system according to claim 6, it is characterised in that：In the support pier 100 Bar-mat reinforcement uses the reinforcing bar of 8mm or 10mm diameters；The concrete grade of the support pier is C25.
- 8. large-tonnage single pile pullout tests system according to claim 7, it is characterised in that：The anchor hole is in elongate strip Shape, the length of the anchor hole are more than 3 times of connection bar diameter, and the width of the anchor hole 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157006.5U CN206829206U (en) | 2017-09-11 | 2017-09-11 | A kind of large-tonnage single pile pullout tests system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157006.5U CN206829206U (en) | 2017-09-11 | 2017-09-11 | A kind of large-tonnage single pile pullout tests system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206829206U true CN206829206U (en) | 2018-01-02 |
Family
ID=60778821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721157006.5U Active CN206829206U (en) | 2017-09-11 | 2017-09-11 | A kind of large-tonnage single pile pullout tests system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206829206U (en) |
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2017
- 2017-09-11 CN CN201721157006.5U patent/CN206829206U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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 |
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| CP01 | Change in the name or title of a patent holder |