CN219840137U - Device for detecting bearing capacity of pile foundation of building engineering - Google Patents
Device for detecting bearing capacity of pile foundation of building engineering Download PDFInfo
- Publication number
- CN219840137U CN219840137U CN202321298708.0U CN202321298708U CN219840137U CN 219840137 U CN219840137 U CN 219840137U CN 202321298708 U CN202321298708 U CN 202321298708U CN 219840137 U CN219840137 U CN 219840137U
- Authority
- CN
- China
- Prior art keywords
- pile foundation
- hammer
- top end
- pile
- bearing capacity
- 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.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 10
- 230000035515 penetration Effects 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a device for detecting the bearing capacity of a pile foundation of a building engineering, which relates to the technical field of pile foundation detection and has the technical scheme that: the pile cap comprises a pile cap pad sleeved at the top end of a pile foundation to be tested, a horizontal reference beam and a measurement mark point, wherein a hammering force sensor is arranged at the top end of the pile cap pad; the top end of the hammering force sensor is provided with a hammer pad; the top end of the hammer pad is provided with a guide cylinder; a lifting hammer is arranged in the guide cylinder; the top end of the landing hammer is connected with a steel coiled rope; the steel coil rope is connected with a hoisting winch; the top end of the landing hammer is provided with a displacement sensor; a dial indicator is arranged at the measurement punctuation; the dial indicator is connected with a magnetic gauge stand; the hammering force sensor is connected with a bridge box; the bridge box is connected with a dynamic strain gauge; the dynamic strain gauge is connected with microcomputer equipment; the displacement sensor and the dial indicator are connected with the microcomputer equipment; the microcomputer device is connected with a power supply device. The bearing capacity of the pile foundation can be effectively detected, the detection result is accurate, the detection operation is simple, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of pile foundation detection, in particular to a device for detecting the bearing capacity of a pile foundation of a building engineering.
Background
Pile foundations are the foundation of various buildings and facilities, and are supporting members for transmitting the load of an upper structure to a rock foundation, and play a vital role in the safety of an engineering structure. In order to ensure engineering safety, detection is needed at the early stage of building construction, and whether deformation generated under a specified load is within an allowable range is judged so as to ensure the quality of various facilities built on the basis and avoid potential safety hazards.
At present, in the prior art, a load test is usually required to be carried out to determine whether the bearing capacity of the pile foundation meets the design requirement, the loading method of the load test mainly comprises a weighting method, an anchor pile method and an anchor pile weighting combination method, the load is applied to the top of the pile foundation by adopting the methods during the test, the loading and pile top settlement of each stage is measured, and the bearing capacity of the pile foundation is determined by analyzing the relation curve of the load and the pile top settlement.
Because the weight method needs hundreds of tons or even thousands of tons of load material sources to meet the requirement of load, the anchor pile method needs to be provided with a plurality of anchor piles and a counter-force beam for bearing thousands of tons, the loading system of the traditional method is erected, the load materials are piled up and transported, and the like, so that a large amount of manpower and material resources are consumed, the load tonnage and the site test site condition are easily limited, the test time is long, the test cost is high, the engineering construction progress is seriously influenced, and the construction cost is increased.
Disclosure of Invention
The utility model aims to provide a device for detecting the bearing capacity of a pile foundation of a building engineering, which can effectively detect the bearing capacity of the pile foundation, and has the advantages of accurate detection result, simple detection operation and low cost.
The technical aim of the utility model is realized by the following technical scheme: the device for detecting the bearing capacity of the building engineering pile foundation comprises a pile cap pad sleeved at the top end of the pile foundation to be detected, a horizontal reference beam vertically abutted against the side wall of the pile foundation to be detected and a measurement mark point positioned on the side wall of the pile foundation to be detected, wherein a hammering force sensor is arranged at the top end of the pile cap pad; the top end of the hammering force sensor is provided with a hammer pad; the top end of the hammer pad is provided with a guide cylinder, and the top end of the guide cylinder is fixedly contacted with the top end of the hammer pad; a lifting hammer is arranged in the guide cylinder; the top end of the landing hammer is connected with a steel coil rope; the steel coil rope is connected with a hoisting winch; the top end of the landing hammer is provided with a displacement sensor; a dial indicator is arranged at the measurement punctuation; the dial indicator is connected with a magnetic gauge stand positioned on the top surface of the horizontal reference beam; the hammering force sensor is connected with a bridge box; the bridge box is connected with a dynamic strain gauge; the dynamic strain gauge is connected with microcomputer equipment; the displacement sensor and the dial indicator are connected with microcomputer equipment; the microcomputer device is connected with a power supply device.
By adopting the technical scheme, in the process of detecting the bearing capacity of the pile foundation to be detected, the hoisting winch drives the steel rope to stretch out and draw back, so that the lifting hammer is controlled to lift up and down in the vertical direction; the hammering force is conveniently applied to the top end of the pile foundation to be tested through the lifting hammer; the hammering force information applied by the lifting hammer and the top end of the pile foundation to be tested is conveniently collected through the hammering sensor; the displacement information of the pile foundation to be measured in the process of applying hammering force to the top end of the pile foundation to be measured by the lifting hammer is convenient to measure through the measuring punctuation and the dial indicator; the displacement sensor is convenient for measuring the displacement information of the lifting hammer in the vertical direction, so that the length of the telescopic steel rope of the lifting winch can be conveniently adjusted according to the displacement information of the lifting hammer in the vertical direction, and the hammering force of the lifting hammer applied to the top end of a pile foundation to be measured can be conveniently adjusted and controlled; through the guide cylinder, the hammering force applied by the lifting hammer is ensured to be vertically downward, so that the finish packing degree of subsequent detection is ensured; the dynamic hammering force information collected by the hammering sensor is conveniently collected through the dynamic strain gauge; the microcomputer equipment is convenient for analyzing, processing and calculating the data information collected by the displacement sensor, the dial indicator and the dynamic strain gauge, so that the bearing capacity of the pile foundation to be measured is analyzed and calculated; through this pile foundation bearing capacity detection device, utilize the lifting hammer hammering pile foundation top that awaits measuring, apply great energy for pile foundation top that awaits measuring to beat certain penetration to the pile foundation that awaits measuring, and through measuring power parameters such as hammering dynamics, acceleration, penetration and displacement of pile foundation that awaits measuring, thereby calculate the bearing capacity of measuring the pile foundation, thereby can realize detecting the bearing capacity of pile foundation effectively, and the testing result is accurate, and detection operation is simple, with low costs.
The utility model is further provided with: the central axes of the pile cap pad, the hammering force sensor, the hammer pad, the guide cylinder and the lifting hammer are positioned on the same straight line.
Through adopting above-mentioned technical scheme, pile cap pad, hammering force sensor, hammer pad, guide cylinder and the central axis of playing the drop hammer are located same straight line, are convenient for guarantee to detect the accuracy of pile foundation bearing capacity that awaits measuring.
The utility model is further provided with: the side wall of the guide cylinder is symmetrically provided with connecting pieces; the connecting piece can be detachably connected with a fixed supporting frame.
By adopting the technical scheme, the connecting piece is convenient for connecting and fixing the fixed support frame and the side wall of the guide cylinder; through fixed support frame, be convenient for support and fixed to the guide cylinder.
The utility model is further provided with: the fixed support frame comprises a folded support rod and a hydraulic telescopic cylinder fixedly connected with the bottom end of the folded support rod; the bottom end of the hydraulic telescopic cylinder is provided with a fixed base.
By adopting the technical scheme, the height of the folded support rod is convenient to adjust through the hydraulic telescopic cylinder, so that the height of the fixed guide cylinder is convenient to adjust; the hydraulic telescopic cylinder is convenient to fix through the degree base.
The utility model is further provided with: the bottom end of the horizontal reference beam is fixedly connected with a supporting pile; the central line of the horizontal reference beam in the vertical direction and the central line axis of the pile foundation to be measured are positioned on the same straight line, and the top surface of the horizontal reference beam and the bottom end of the measurement standard point are positioned on the same plane.
Through adopting above-mentioned technical scheme, the central line of horizontal reference beam vertical direction and the central line axis of pile foundation that awaits measuring are located same straight line, and horizontal reference beam top surface and measurement punctuation bottom are located the coplanar, are convenient for guarantee the precision that the dial indicator measured the base displacement that awaits measuring.
In summary, the utility model has the following beneficial effects: the steel winding rope is driven to stretch and retract by the hoisting winch, so that the lifting hammer is controlled to lift and fall in the vertical direction; the hammering force is conveniently applied to the top end of the pile foundation to be tested through the lifting hammer; the hammering force information applied by the lifting hammer and the top end of the pile foundation to be tested is conveniently collected through the hammering sensor; the displacement information of the pile foundation to be measured in the process of applying hammering force to the top end of the pile foundation to be measured by the lifting hammer is convenient to measure through the measuring punctuation and the dial indicator; the displacement sensor is convenient for measuring the displacement information of the lifting hammer in the vertical direction, so that the length of the telescopic steel rope of the lifting winch can be conveniently adjusted according to the displacement information of the lifting hammer in the vertical direction, and the hammering force of the lifting hammer applied to the top end of a pile foundation to be measured can be conveniently adjusted and controlled; through the guide cylinder, the hammering force applied by the lifting hammer is ensured to be vertically downward, so that the finish packing degree of subsequent detection is ensured; the dynamic hammering force information collected by the hammering sensor is conveniently collected through the dynamic strain gauge; the microcomputer equipment is convenient for analyzing, processing and calculating the data information collected by the displacement sensor, the dial indicator and the dynamic strain gauge, so that the bearing capacity of the pile foundation to be measured is analyzed and calculated; through this pile foundation bearing capacity detection device, utilize the lifting hammer hammering pile foundation top that awaits measuring, apply great energy for pile foundation top that awaits measuring to beat certain penetration to the pile foundation that awaits measuring, and through measuring power parameters such as hammering dynamics, acceleration, penetration and displacement of pile foundation that awaits measuring, thereby calculate the bearing capacity of measuring the pile foundation, thereby can realize detecting the bearing capacity of pile foundation effectively, and the testing result is accurate, and detection operation is simple, with low costs.
Drawings
Fig. 1 is a schematic diagram of the structure in an embodiment of the present utility model.
In the figure: 1. pile foundation to be measured; 2. a pile cap pad; 3. a horizontal reference beam; 4. measuring punctuation; 5. a hammering force sensor; 6. a hammer pad; 7. a guide cylinder; 8. a landing hammer; 9. a steel rope; 10. a hoisting winch; 11. a displacement sensor; 12. a dial indicator; 13. a magnetic gauge stand; 14. a bridge box; 15. a dynamic strain gauge; 16. a microcomputer device; 17. a power supply device; 18. a connecting piece; 19. a folding support rod; 20. a hydraulic telescopic cylinder; 21. a fixed base; 22. and supporting the piles.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
Examples: a device for detecting building engineering pile foundation bearing capacity, as shown in fig. 1, including suit in pile cap pad 2 that is used for protecting pile foundation 1 top that awaits measuring on pile foundation 1 top that awaits measuring, with the horizontal reference beam 3 that awaits measuring 1 lateral wall vertically support and be located the measurement punctuation 4 of pile foundation 1 lateral wall that awaits measuring, hammering force sensor 5 is installed on pile cap pad 2 top. The top end of the hammering sensor 5 is provided with a hammer pad 6 for protecting the hammering sensor. The top end of the hammer cushion 6 is provided with a guide cylinder 7, and the top end of the guide cylinder 7 is fixedly contacted with the top end of the hammer cushion 6. A lifting hammer 8 which is in sliding connection with the inner wall of the guide cylinder 7 is arranged in the guide cylinder 7. The top end of the lifting hammer 8 is connected with a steel rope 9. The steel rope 9 is connected with a hoisting winch 10. A displacement sensor 11 is arranged at the top end of the lifting hammer 8. A dial indicator 12 is arranged at the measuring punctuation 4. The dial indicator 12 is connected with a magnetic gauge stand 13 positioned on the top surface of the horizontal reference beam 3. The hammering force sensor 5 is connected with a bridge box 14. The bridge box 14 is connected with a dynamic strain gauge 15. The dynamic strain gauge 15 is connected to a microcomputer device 16. The displacement sensor 11 and the dial gauge 12 are connected to a microcomputer device 16. The microcomputer device 16 is connected to a power supply unit 17.
In the present embodiment, in the process of detecting the bearing capacity of the pile foundation 1 to be detected, the steel rope 9 is driven to stretch and retract by the hoisting winch 10, so that the lifting hammer 8 is controlled to lift and fall in the vertical direction. Through the drop hammer 8, be convenient for apply hammering force to the pile foundation 1 top that awaits measuring. Through hammering sensor, be convenient for gather that the claw hammer 8 applys with the hammering dynamics information on pile foundation 1 top that awaits measuring. Through measuring punctuation 4 and percentage table 12, be convenient for measure the displacement information of lifting hammer 8 in the application hammering power in-process of pile foundation 1 to be measured 1 top. Through displacement sensor 11, the displacement information of the vertical direction of the lifting hammer 8 is convenient for be measured to the length of the flexible steel rope 9 of lifting hoist 10 is convenient for be adjusted according to the displacement information of the vertical direction of lifting hammer 8, thereby the hammering dynamics that lifting hammer 8 applied to the pile foundation 1 top that awaits measuring is convenient for the regulation control. Through guiding cylinder 7, be convenient for guarantee that hammering force that lifting hammer 8 applyed is vertical downwards to be convenient for guarantee the smart dress degree of follow-up detection. The dynamic hammering force information collected by the hammering sensor is conveniently collected through the dynamic strain gauge 15. The microcomputer equipment 16 is convenient for analyzing, processing and calculating the data information collected by the displacement sensor 11, the dial indicator 12 and the dynamic strain gauge 15, so that the bearing capacity of the pile foundation 1 to be measured is analyzed and calculated. Through this pile foundation bearing capacity detection device, utilize the drop hammer 8 hammering pile foundation 1 top of awaiting measuring, apply great energy for pile foundation 1 top of awaiting measuring, and beat certain penetration to pile foundation 1 of awaiting measuring, and through measuring power parameters such as hammering dynamics, acceleration, penetration and displacement of pile foundation 1 of awaiting measuring, thereby calculate the bearing capacity of measuring pile foundation 1, thereby can realize detecting the bearing capacity of pile foundation effectively, and the testing result is accurate, detection operation is simple, and is with low costs.
The central axes of the pile cap pad 2, the hammering force sensor 5, the hammer pad 6, the guide cylinder 7 and the landing hammer 8 are positioned on the same straight line.
In this embodiment, the central axes of pile cap pad 2, hammering force sensor 5, hammer pad 6, guide cylinder 7 and drop hammer 8 are located on the same straight line, so as to ensure the accuracy of detecting the bearing capacity of pile foundation 1 to be detected.
The side wall of the guide cylinder 7 is symmetrically and fixedly connected with a connecting piece 18. The connecting piece 18 is detachably connected with a fixed supporting frame.
In the embodiment, the connecting piece 18 facilitates the connection and fixation of the fixed support frame and the side wall of the guide cylinder 7. Through the fixed support frame, be convenient for support and fixed to guide cylinder 7.
The fixed support frame comprises a folded support rod 19 and a hydraulic telescopic cylinder 20 fixedly connected with the bottom end of the folded support rod 19. The bottom end of the hydraulic telescopic cylinder 20 is fixedly connected with a fixed base 21.
In the present embodiment, the height of the folded support rod 19 is conveniently adjusted by the hydraulic telescopic cylinder 20, thereby conveniently adjusting the height of the fixed guide cylinder 7. The hydraulic telescopic cylinder 20 is convenient to fix through the degree base.
The bottom end of the horizontal reference beam 3 is fixedly connected with a supporting pile 22. The central line of the horizontal reference beam 3 in the vertical direction is positioned on the same straight line with the central line axis of the pile foundation 1 to be measured, and the top surface of the horizontal reference beam 3 is positioned on the same plane with the bottom end of the measuring standard point 4.
In this embodiment, the central line of the horizontal reference beam 3 in the vertical direction is located in the same straight line with the central line axis of the pile foundation 1 to be measured, and the top surface of the horizontal reference beam 3 is located in the same plane with the bottom end of the measurement standard point 4, so that the accuracy of measuring the displacement of the base to be measured by the dial indicator 12 is conveniently ensured.
Working principle: in the process of detecting the bearing capacity of the pile foundation 1 to be detected, the steel rope 9 is driven to stretch and retract through the hoisting winch 10, so that the lifting hammer 8 is controlled to lift and fall in the vertical direction. Through the drop hammer 8, be convenient for apply hammering force to the pile foundation 1 top that awaits measuring. Through hammering sensor, be convenient for gather that the claw hammer 8 applys with the hammering dynamics information on pile foundation 1 top that awaits measuring. Through measuring punctuation 4 and percentage table 12, be convenient for measure the displacement information of lifting hammer 8 in the application hammering power in-process of pile foundation 1 to be measured 1 top. Through displacement sensor 11, the displacement information of the vertical direction of the lifting hammer 8 is convenient for be measured to the length of the flexible steel rope 9 of lifting hoist 10 is convenient for be adjusted according to the displacement information of the vertical direction of lifting hammer 8, thereby the hammering dynamics that lifting hammer 8 applied to the pile foundation 1 top that awaits measuring is convenient for the regulation control. Through guiding cylinder 7, be convenient for guarantee that hammering force that lifting hammer 8 applyed is vertical downwards to be convenient for guarantee the smart dress degree of follow-up detection. The dynamic hammering force information collected by the hammering sensor is conveniently collected through the dynamic strain gauge 15. The microcomputer equipment 16 is convenient for analyzing, processing and calculating the data information collected by the displacement sensor 11, the dial indicator 12 and the dynamic strain gauge 15, so that the bearing capacity of the pile foundation 1 to be measured is analyzed and calculated. Through this pile foundation bearing capacity detection device, utilize the drop hammer 8 hammering pile foundation 1 top of awaiting measuring, apply great energy for pile foundation 1 top of awaiting measuring, and beat certain penetration to pile foundation 1 of awaiting measuring, and through measuring power parameters such as hammering dynamics, acceleration, penetration and displacement of pile foundation 1 of awaiting measuring, thereby calculate the bearing capacity of measuring pile foundation 1, thereby can realize detecting the bearing capacity of pile foundation effectively, and the testing result is accurate, detection operation is simple, and is with low costs.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (5)
1. A device for detecting building engineering pile foundation bearing capacity, characterized by: the pile cap comprises a pile cap pad (2) sleeved at the top end of a pile foundation (1) to be detected, a horizontal reference beam (3) vertically abutted against the side wall of the pile foundation (1) to be detected and a measurement mark point (4) positioned on the side wall of the pile foundation (1) to be detected, wherein a hammering force sensor (5) is arranged at the top end of the pile cap pad (2); a hammer pad (6) is arranged at the top end of the hammering force sensor (5); the top end of the hammer pad (6) is provided with a guide cylinder (7), and the top end of the guide cylinder (7) is fixedly contacted with the top end of the hammer pad (6); a lifting hammer (8) is arranged in the guide cylinder (7); the top end of the lifting hammer (8) is connected with a steel rope (9); the steel coil rope (9) is connected with a hoisting winch (10); a displacement sensor (11) is arranged at the top end of the lifting hammer (8); a dial indicator (12) is arranged at the measuring punctuation (4); the dial indicator (12) is connected with a magnetic gauge stand (13) positioned on the top surface of the horizontal reference beam (3); the hammering force sensor (5) is connected with a bridge box (14); the bridge box (14) is connected with a dynamic strain gauge (15); the dynamic strain gauge (15) is connected with microcomputer equipment (16); the displacement sensor (11) and the dial indicator (12) are connected with the microcomputer equipment (16); the microcomputer device (16) is connected with a power supply device (17).
2. The apparatus for detecting pile foundation bearing capacity of construction engineering according to claim 1, wherein: the central axes of the pile cap pad (2), the hammering force sensor (5), the hammer pad (6), the guide cylinder (7) and the lifting hammer (8) are positioned on the same straight line.
3. The apparatus for detecting pile foundation bearing capacity of construction engineering according to claim 1, wherein: connecting pieces (18) are symmetrically arranged on the side wall of the guide cylinder (7); the connecting piece (18) is detachably connected with a fixed supporting frame.
4. A device for detecting pile foundation bearing capacity of construction engineering according to claim 3, wherein: the fixed support frame comprises a folded support rod (19) and a hydraulic telescopic cylinder (20) fixedly connected with the bottom end of the folded support rod (19); the bottom end of the hydraulic telescopic cylinder (20) is provided with a fixed base (21).
5. The apparatus for detecting pile foundation bearing capacity of construction engineering according to claim 1, wherein: the bottom end of the horizontal reference beam (3) is fixedly connected with a supporting pile (22); the central line of the vertical direction of the horizontal reference beam (3) and the central line axis of the pile foundation (1) to be measured are positioned on the same straight line, and the top surface of the horizontal reference beam (3) and the bottom end of the measuring standard point (4) are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321298708.0U CN219840137U (en) | 2023-05-25 | 2023-05-25 | Device for detecting bearing capacity of pile foundation of building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321298708.0U CN219840137U (en) | 2023-05-25 | 2023-05-25 | Device for detecting bearing capacity of pile foundation of building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840137U true CN219840137U (en) | 2023-10-17 |
Family
ID=88300827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321298708.0U Active CN219840137U (en) | 2023-05-25 | 2023-05-25 | Device for detecting bearing capacity of pile foundation of building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840137U (en) |
-
2023
- 2023-05-25 CN CN202321298708.0U patent/CN219840137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102621013B (en) | Dynamic performance test macro | |
| CN106049559B (en) | A kind of large diameter pile foundation autobalanced detection method based on load-compensating | |
| CN106836315A (en) | A kind of vertical displacement detection means | |
| KR101905446B1 (en) | Dynamic loading test equipment for helix pile | |
| CN105699215B (en) | A kind of soft rock shear rheology instrument | |
| CN112878398A (en) | Pile pipe hammering test equipment and test method | |
| CN110629812A (en) | Loading test device and method for vertical dynamic and static loads of single pile | |
| CN112095683A (en) | Testing device and testing method for high strain method detection of foundation pile | |
| CN211080335U (en) | High strain method pile foundation dynamic test device | |
| CN210376011U (en) | Large-area on-site direct shear test equipment | |
| CN106351267A (en) | Pile foundation bearing characteristic model testing device under down-pressing static load effect | |
| CN206143824U (en) | Pile foundation static test loading system | |
| CN219840137U (en) | Device for detecting bearing capacity of pile foundation of building engineering | |
| CN105891018A (en) | Rock direct shear testing machine and shear box and testing system thereof | |
| CN2677881Y (en) | Automatic measuring recording analysing device for strong rammer work parameter | |
| CN109098217A (en) | A kind of plug stake of offshore self-elevating drilling platform influences development test device and method to neighbouring shoe | |
| CN212506455U (en) | Testing device for high strain method detection of foundation pile | |
| CN109487835A (en) | The detection method and detection device of pile foundation allowable bearing | |
| CN219015300U (en) | Gradient detection device | |
| CN111395414A (en) | Anti-floating engineering pile vertical load test detection device and method | |
| CN107687944A (en) | A kind of spiral pile driving construction and vertical bearing capacity experimental rig | |
| KR20210081722A (en) | Rebound Check Device | |
| CN214784251U (en) | Pile pipe hammering test equipment | |
| CN110967265A (en) | Coupled dynamic-static loading test system | |
| CN110106929A (en) | It is a kind of to plug stake to the model test apparatus and test method of neighbouring grouped piles influence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |