CN213358709U - Uplift pile detection device - Google Patents
Uplift pile detection device Download PDFInfo
- Publication number
- CN213358709U CN213358709U CN202021537799.5U CN202021537799U CN213358709U CN 213358709 U CN213358709 U CN 213358709U CN 202021537799 U CN202021537799 U CN 202021537799U CN 213358709 U CN213358709 U CN 213358709U
- Authority
- CN
- China
- Prior art keywords
- uplift pile
- bottom plate
- uplift
- detection device
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 abstract description 17
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to an uplift pile detection device, which comprises a counter-force beam and two support columns for supporting the counter-force beam, wherein the top of the counter-force beam is fixedly provided with a jack, and the top of the jack is connected with a connecting frame for connecting an uplift pile; the support column includes that a plurality of vertical direction of edge pile up the supporting component who sets up, and adjacent supporting component can dismantle the connection, and supporting component includes stand and two backup pads, two backup pads respectively with the both ends fixed connection of stand. The utility model discloses can follow the height according to the altitude mixture control support column of uplift pile, can adapt to the uplift pile of co-altitude not, ensure that static resistance to plucking is experimental to go on smoothly.
Description
Technical Field
The utility model belongs to the technical field of engineering detection device's technique and specifically relates to an uplift pile detection device is related to.
Background
The uplift pile is widely applied to uplift of large basements, uplift of high-rise buildings, uplift of offshore wharf platforms, anchor pile foundations of suspension bridges and cable-stayed bridges, pile foundations of large ship dock floors, anchor pile foundations in static load test piles and the like. The main action mechanism of the uplift pile is to resist axial tension by means of the friction force between the pile body and the soil layer. The uplift resistance of the uplift pile is an important index of the uplift pile. The uplift pile detection mainly comprises the steps that the connecting equipment is used for clamping or fixing the steel bars in the uplift pile, and then the hydraulic equipment is used for providing force in the uplift direction for the connecting equipment to measure the uplifted displacement of the pile.
Chinese patent with publication number CN201258494Y discloses a single-pile vertical uplift static load test loading device, which is technically characterized in that two ends of the loading device are respectively arranged on a counterforce beam on a support pile, a jack is arranged on the counterforce beam, the upper ends of pull rods passing through the counterforce beam and the jack are connected with the top end of the jack through a fastener, and the lower end of the pull rod is arranged above a test pile when being detected by the fastener and is connected with a steel plate connected with a steel bar at the top of the test pile.
The prior art scheme among the above-mentioned supports the reaction beam through the support stake and establishes the top at the uplift pile with the reaction beam, then drive the steel sheet of reaction beam below and uplift pile embedded steel bar connection through the jack on the reaction beam and upwards carry out the pulling, and then test the uplift test of uplift pile, but when facing the higher uplift pile of height, the height of support stake can't be adjusted thereupon, the height that the uplift pile appears easily is still higher than the height of the reaction beam that supports up, the reaction beam can't erect the top at the uplift pile, the steel sheet that lies in the reaction beam below this moment can't be connected with the pre-buried steel sheet of uplift pile, lead to static uplift test can't go on smoothly.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an uplift pile detection device, it can be with the height of the altitude mixture control support column of uplift pile, can adapt to the uplift pile of co-altitude not, ensures that static resistance to plucking is experimental to go on smoothly.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an uplift pile detection device comprises a reaction beam and two support columns for supporting the reaction beam, wherein a jack is fixedly arranged at the top of the reaction beam, and the top of the jack is connected with a connecting frame for connecting an uplift pile; the support column includes that a plurality of vertical direction of edge pile up the supporting component who sets up, and is adjacent the supporting component can dismantle the connection, the supporting component includes stand and two backup pads, two the backup pad respectively with the both ends fixed connection of stand.
Through adopting above-mentioned technical scheme, the support column is piled up by a plurality of supporting components and is connected and form, can add supporting component according to the topography around and the height of resistance to plucking stake, and then with the reaction beam frame on suitable height for the link can be connected with the resistance to plucking stake, ensures that static resistance to plucking is experimental to go on smoothly.
The present invention may be further configured in a preferred embodiment as: all seted up the connecting hole along its thickness direction on the four corners of backup pad, the connecting plate at supporting component top is worn to be equipped with fixing bolt jointly with the connecting plate butt at its top supporting component top and the corresponding one-to-one of four connecting holes homogeneous of two connecting plates.
Through adopting above-mentioned technical scheme, the setting of connecting hole and fixing bolt conveniently piles up the support column and connects and dismantle.
The present invention may be further configured in a preferred embodiment as: the connecting frame comprises a top plate and a bottom plate, the top plate is located above the jack and fixedly connected with the top of the jack at the bottom, the bottom plate is located below the counter-force beam and connected with embedded steel bars of the uplift pile, and the bottom plate and the top plate are jointly connected with a plurality of pull rods which are used for connecting the bottom plate and the uplift pile and are arranged along the vertical direction.
Through adopting above-mentioned technical scheme, the bottom plate hangs the below of reaction beam through the pull rod and is connected with the embedded steel bar of uplift pile, and jack on the reaction beam exerts force to the roof, and the roof transmits through the pull rod and exerts even stable lifting force for the bottom plate through embedded steel bar uplift pile.
The present invention may be further configured in a preferred embodiment as: both ends of the pull rod are provided with threads, and both ends of the pull rod penetrate through the top plate and the bottom plate respectively and are connected with nuts through the threads.
By adopting the technical scheme, the pull rod is connected with the bottom plate and the top plate through the nuts arranged at the upper end and the lower end of the pull rod, so that the connecting frame is convenient to mount and dismount, the level of the bottom plate and the level of the top plate can be ensured, the bottom plate is uniformly stressed, and the detection result is more reliable.
The present invention may be further configured in a preferred embodiment as: get the central point on the bottom plate and use the central point to evenly open as centre of a circle circumference and have a plurality of waist type holes, it is a plurality of the major axis in waist type hole all coincides with the diameter of same circle, and the embedded steel bar of uplift pile passes waist type hole can be dismantled with the bottom plate through the fixed subassembly of arranging on the bottom plate and be connected.
By adopting the technical scheme, the embedded steel bars of the uplift pile penetrate through the waist-shaped hole of the bottom plate and are hung on the bottom plate through the fixing assembly, so that the static uplift test is conveniently carried out; simultaneously the setting in waist type hole makes this set of uplift pile detection device can be applicable to the uplift pile of multiple not unidimensional, carries out static uplift test to the uplift pile of multiple not unidimensional.
The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises a sleeve and three clamping blocks positioned in the sleeve, and the inner aperture of the sleeve is gradually reduced from top to bottom; three when the grip block splices, constitute the upset round platform form that the middle part has columniform centre gripping hole jointly, the diameter in centre gripping hole is less than the diameter of the embedded bar of uplift pile.
By adopting the technical scheme, when the steel bar is clamped by the three clamping blocks and the bottoms of the three clamping blocks are clamped into the sleeve, the base plate is lifted upwards, the three clamping blocks are inserted into the sleeve in a sliding manner under the pulling of the embedded steel bar of the uplift pile, and the diameter of the clamping hole is slightly smaller than that of the embedded steel bar of the uplift pile, and the inner diameter of the sleeve is gradually reduced from top to bottom so that the distance between the clamping blocks is gradually reduced and the steel bar is locked, and the steel bar is firmly hung on the base plate; the fixing component enables the reinforcing steel bars to be firmly hung on the bottom plate, so that the installation and the disassembly are convenient, and the hanging is firm and reliable.
The present invention may be further configured in a preferred embodiment as: and the inner side wall of the clamping hole is provided with friction increasing grains.
Through adopting above-mentioned technical scheme, increase friction's setting up and effectively increase the frictional force between reinforcing bar and the centre gripping is fast for uplift's embedded steel bar and fixed plate stable connection.
The present invention may be further configured in a preferred embodiment as: and a pressure sensor is fixedly arranged between the jack and the top plate, and the pressure sensor is electrically connected with a display for displaying a pressure value.
Through adopting above-mentioned technical scheme, pressure sensor and display cooperation can receive the real-time demonstration of lifting force with the pressure that jack was applyed to the roof promptly anti-floating pile on the display, and the staff of being convenient for observes.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the support column is formed by stacking and connecting a plurality of support components, the support components can be added according to the surrounding terrain and the height of the uplift pile, and then the reaction beam is erected at a proper height, so that the connecting frame can be connected with the uplift pile, and the static uplift test is ensured to be carried out smoothly;
2. a plurality of waist-shaped holes are formed in the bottom plate along the circumferential direction, and embedded steel bars of the uplift pile penetrate through the waist-shaped holes of the bottom plate and are hung on the bottom plate through the fixing assembly, so that a static uplift test can be conveniently carried out; simultaneously the setting in waist type hole makes this set of uplift pile detection device can be applicable to the uplift pile of multiple not unidimensional, carries out static uplift test to the uplift pile of multiple not unidimensional. (ii) a
3. When the steel bar is clamped by the three clamping blocks and the bottoms of the three clamping blocks are clamped into the sleeve, the bottom plate is lifted upwards, the three clamping blocks are inserted into the sleeve in a sliding mode under the pulling of the embedded steel bar of the uplift pile, the diameter of the clamping hole is slightly smaller than that of the embedded steel bar of the uplift pile, the inner diameter of the sleeve is gradually reduced from top to bottom, the distance between the clamping blocks is gradually reduced, the steel bar is locked, the steel bar is firmly hung on the bottom plate through the fixing assembly, the installation and the disassembly are convenient, and the hanging is firm and reliable;
4. through the setting of pressure sensor and display, can receive the real-time demonstration of lifting force with the pressure that jack was applyed to the roof promptly anti-floating pile on the display, the staff of being convenient for observes.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of two support members stacked and connected;
FIG. 3 is a schematic structural view of the base plate and the fixing assembly;
fig. 4 is an exploded sectional view of the securing assembly.
In the figure, 1, a support column; 11. a support assembly; 111. a column; 112. a support plate; 113. connecting holes; 114. fixing the bolt; 2. a counter-force beam; 21. a jack; 22. a pressure sensor; 23. a display; 3. a connecting frame; 31. a top plate; 32. a base plate; 321. a kidney-shaped hole; 33. a pull rod; 4. a fixing assembly; 41. a sleeve; 42. a clamping block; 43. a clamping hole; 44. increasing friction lines; 5. an uplift pile.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses an uplift pile detection device, including counter-force roof beam 2 and two support columns 1 that are used for supporting counter-force roof beam 2, two support columns 1 are located the both ends of 2 bottoms of counter-force roof beam, erect counter-force roof beam 2 in the uplift pile 5 top of waiting to detect. The jack 21 is fixedly arranged at the top of the reaction beam 2, the top of the jack 21 is connected with the connecting frame 3 used for connecting the uplift pile 5, and the connecting frame 3 is fixedly connected with the embedded steel bars of the uplift pile 5. The support column 1 is formed by stacking and connecting a plurality of support assemblies 11, the support column 1 comprises a plurality of support assemblies 11 stacked and arranged along the vertical direction, and the adjacent support assemblies 11 are detachably connected. Can add supporting component 11 according to the topography on every side and uplift pile 5's height, and then put up reaction beam 2 on suitable height for link 3 can be connected with uplift pile 5, ensures that static resistance to plucking is experimental to go on smoothly.
Referring to fig. 2, the support assembly 11 includes a vertical column 111 and two support plates 112, the two support plates 112 are respectively located at two ends of the vertical column 111 in the length direction, and the vertical column 111 and the two support plates 112 are integrally formed. All seted up connecting hole 113 along its thickness direction on the four corners of backup pad 112, the connecting plate at supporting component 11 top rather than the connecting plate butt at top supporting component 11 to the fixing bolt 114 is still worn to be equipped with jointly to the equal one-to-one of four connecting holes 113 of the connecting plate of two butts. When the supporting component 11 is added to the supporting column 1, the connecting plates are aligned, the fixing bolts 114 are inserted into the four connecting holes 113, and the nuts are tightened.
Referring to fig. 1 and 3, the connecting frame 3 includes a top plate 31 and a bottom plate 32, the top plate 31 is located above the jack 21 and the bottom is fixedly connected to the top of the jack 21, the bottom plate 32 is located below the reaction beam 2 and is connected to the embedded steel bars of the uplift pile 5, and the bottom plate 32 and the top plate 31 are connected to a plurality of pull rods 33 for connecting the top plate and the bottom plate in the vertical direction. The bottom plate 32 is hung below the reaction beam 2 through the pull rod 33 and is connected with the embedded steel bars of the uplift pile 5, the jack 21 on the reaction beam 2 applies force to the top plate 31, and the top plate 31 transmits the pull rod 33 to the bottom plate 32 to apply uniform and stable lifting force to the uplift pile 5 through the embedded steel bars. Both ends of the pull rod 33 are provided with threads, and both ends of the pull rod 33 penetrate through the top plate 31 and the bottom plate 32 respectively and are connected with nuts through the threads. The pull rod 33 is connected with the bottom plate 32 and the top plate 31 through nuts arranged at the upper end and the lower end of the pull rod, so that the connecting frame 3 can be conveniently mounted and dismounted. A pressure sensor 22 is fixedly arranged between the jack 21 and the top plate 31, a display 23 for displaying pressure values is electrically connected to the pressure sensor 22, and the display 23 is hung on the reaction beam 2. The pressure sensor 22 and the display 23 cooperate to display the pressure applied by the jack 21 to the top plate 31, i.e. the lifting force received by the uplift pile 5, on the display 23 in real time, so as to facilitate observation by a worker.
Referring to fig. 3 and 4, a central point is taken from the bottom plate 32, a plurality of kidney-shaped holes 321 are uniformly formed in the circumferential direction by taking the central point as a circle center, long axes of the kidney-shaped holes 321 coincide with the diameter of the same circle, and embedded steel bars of the uplift pile 5 (refer to fig. 1) penetrate through the kidney-shaped holes 321 and are detachably connected with the bottom plate 32 through the fixing assemblies 4 arranged on the bottom plate 32. The embedded steel bars of the uplift pile 5 penetrate through the waist-shaped hole 321 of the bottom plate 32 and are hung on the bottom plate 32 through the fixing component 4, so that the static uplift test is conveniently carried out. Due to the arrangement of the waist-shaped hole 321, the uplift pile detection device can be suitable for uplift piles 5 of various sizes, and static uplift tests can be performed on the uplift piles 5 of various sizes. The fixing assembly 4 comprises a sleeve 41 and three clamping blocks 42 positioned inside the sleeve 41, the inner diameter of the sleeve 41 is gradually reduced from top to bottom, and the three clamping blocks 42 form an inverted circular truncated cone shape with a cylindrical clamping hole 43 in the middle when being spliced. And the diameter of the grip hole 43 is smaller than the diameter of the embedded steel bar of the uplift pile 5, when the steel bar is gripped by three grip blocks 42 and the bottoms of the three grip blocks 42 are clamped into the sleeve 41, the bottom plate 32 is lifted upwards, the three grip blocks 42 are inserted into the sleeve 41 in a sliding manner under the pulling of the embedded steel bar of the uplift pile 5, and the diameter of the grip hole 43 is slightly smaller than the diameter of the embedded steel bar of the uplift pile 5, and the inner diameter of the sleeve 41 is gradually reduced from top to bottom, so that the distance between the grip blocks 42 is gradually reduced and the steel bar is locked, and the steel bar is firmly hung on the bottom plate 32. In addition, be equipped with on the inside wall of centre gripping hole 43 and increase line of rubbing 44, can effectively increase the frictional force between reinforcing bar and the centre gripping is fast for uplift pile 5's embedded steel bar and fixed plate are stably connected.
The implementation principle of the embodiment is as follows: when a static uplift test is required, the supporting component 11 can be added according to the surrounding terrain and the height of the uplift pile 5, and then the reaction beam 2 is erected at a proper height, so that the static uplift test is ensured to be smoothly carried out. After the height of the supporting column 1 is adjusted, the embedded steel bars of the uplift pile 5 are inserted into the bottom plate 32 of the connecting frame 3 through the waist-shaped hole 321, and the steel bars are firmly hung on the bottom plate 32 through the fixing component 4. Then, the jack 21 is started to perform the static uplift test, and the pressure sensor 22 displays the pressure applied by the jack 21 to the top plate 31, namely the uplift force received by the uplift pile 5, on the display 23 in real time, so that the observation by the worker is facilitated.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an uplift pile detection device which characterized in that: the anti-pulling pile comprises a reaction beam (2) and two supporting columns (1) for supporting the reaction beam (2), wherein a jack (21) is fixedly arranged at the top of the reaction beam (2), and the top of the jack (21) is connected with a connecting frame (3) for connecting an anti-pulling pile (5); the support column (1) comprises a plurality of support assemblies (11) stacked in the vertical direction, the adjacent support assemblies (11) are detachably connected, each support assembly (11) comprises an upright column (111) and two support plates (112), and the two support plates (112) are fixedly connected with two ends of the upright column (111) respectively.
2. The uplift pile detection device according to claim 1, wherein: all seted up connecting hole (113) along its thickness direction on the four corners of backup pad (112), connecting plate at the connecting plate at supporting component (11) top rather than the connecting plate butt at supporting component (11) top and four connecting holes (113) homogeneous one of two connecting plates are worn to be equipped with fixing bolt (114) jointly.
3. The uplift pile detection device according to claim 1, wherein: connecting frame (3) include roof (31) and bottom plate (32), roof (31) are located the top fixed connection of jack (21) top and bottom and jack (21), bottom plate (32) are located reaction beam (2) below and are connected with the embedded steel bar of uplift pile (5), bottom plate (32) and roof (31) are connected with many and set up with pull rod (33) of connecting between them along vertical direction jointly.
4. An uplift pile detection device according to claim 3, wherein: both ends of pull rod (33) all are provided with the screw thread, the both ends of pull rod (33) run through roof (31) and bottom plate (32) respectively and threaded connection has the nut.
5. An uplift pile detection device according to claim 3, wherein: get the central point on bottom plate (32) and use the central point to evenly open as centre of a circle circumference and have a plurality of waist type holes (321), it is a plurality of the major axis of waist type hole (321) all coincides with the diameter of same circle, and the embedded steel bar of anti-floating pile (5) passes waist type hole (321) can be dismantled with bottom plate (32) and be connected through fixed subassembly (4) of arranging on bottom plate (32) in.
6. An uplift pile detection device according to claim 5, wherein: the fixing assembly (4) comprises a sleeve (41) and three clamping blocks (42) positioned inside the sleeve (41), and the inner hole diameter of the sleeve (41) is gradually reduced from top to bottom; three when the grip blocks (42) splice, constitute the shape of the inverted round platform that has columniform centre gripping hole (43) in the middle part jointly, the diameter of centre gripping hole (43) is less than the diameter of the embedded steel bar of anti-floating pile (5).
7. An uplift pile detection device according to claim 6, wherein: and the inner side wall of the clamping hole (43) is provided with friction increasing grains (44).
8. The uplift pile detection device according to claim 1, wherein: and a pressure sensor (22) is fixedly arranged between the jack (21) and the top plate (31), and the pressure sensor (22) is electrically connected with a display (23) for displaying a pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021537799.5U CN213358709U (en) | 2020-07-29 | 2020-07-29 | Uplift pile detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021537799.5U CN213358709U (en) | 2020-07-29 | 2020-07-29 | Uplift pile detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213358709U true CN213358709U (en) | 2021-06-04 |
Family
ID=76142394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021537799.5U Expired - Fee Related CN213358709U (en) | 2020-07-29 | 2020-07-29 | Uplift pile detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213358709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018714A (en) * | 2021-10-29 | 2022-02-08 | 扬州大学 | Concrete axle center tension self-balancing test device and test method thereof |
| CN116607582A (en) * | 2023-06-30 | 2023-08-18 | 北京市地质工程勘察院有限责任公司 | On-site measurement equipment for prestressed post-inserted composite anchor cable anti-pulling pile |
-
2020
- 2020-07-29 CN CN202021537799.5U patent/CN213358709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018714A (en) * | 2021-10-29 | 2022-02-08 | 扬州大学 | Concrete axle center tension self-balancing test device and test method thereof |
| CN116607582A (en) * | 2023-06-30 | 2023-08-18 | 北京市地质工程勘察院有限责任公司 | On-site measurement equipment for prestressed post-inserted composite anchor cable anti-pulling pile |
| CN116607582B (en) * | 2023-06-30 | 2023-11-10 | 中国建筑技术集团有限公司 | On-site measurement equipment for prestressed post-inserted composite anchor cable anti-pulling pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213358709U (en) | Uplift pile detection device | |
| CN207739295U (en) | A kind of uplift pile detection device | |
| KR20180035427A (en) | Apparatus for pile load test | |
| CN211113800U (en) | A test device for detecting uplift pile resistance to plucking performance | |
| CN117266264A (en) | Static load test device for pile foundation detection | |
| CN111576501A (en) | Bending resistance test system for vertically and upwardly loading tubular pile | |
| CN205329738U (en) | Novel umbelliform ground bearing capacity detecting device | |
| CN205062862U (en) | Anchor rod drawing device | |
| CN218667675U (en) | Municipal bridge pile foundation resistance to plucking static test support equipment | |
| CN212866016U (en) | Leveling structure suitable for offshore wind power pile foundation construction platform | |
| CN104865086A (en) | Lever loading system and assembly method thereof | |
| CN2635739Y (en) | Vertical pressure-resisting static loading tester for pile base | |
| CN209837123U (en) | Pile foundation static load test device | |
| CN103835318B (en) | Quick connection part during static load of pile foundation detects | |
| CN110130418B (en) | Settlement displacement observation auxiliary device | |
| CN211596858U (en) | Pile foundation static load experimental device suitable for narrow space | |
| CN209745698U (en) | Reaction frame for fan embedded foundation bearing capacity test | |
| CN202925578U (en) | Rapid connecting piece for use in pile foundation static load detection | |
| CN215165892U (en) | Pile foundation static load test counterforce device | |
| KR20170121523A (en) | Apparatus for pile load test | |
| CN220814005U (en) | Anti-pulling static load equipment | |
| CN220978138U (en) | Single pile vertical pulling-resistant static load test detection anchorage counter-force device | |
| CN117188818B (en) | Double-T-shaped assembled friction type steel corbel system and method | |
| CN217811245U (en) | Anti-pulling static load test jack centering and protecting device | |
| CN219621844U (en) | PHC pile high strain detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |