CN203795485U - Horizontal bearing characteristics test model of prestressed concrete pipe pile - Google Patents
Horizontal bearing characteristics test model of prestressed concrete pipe pile Download PDFInfo
- Publication number
- CN203795485U CN203795485U CN201420171482.2U CN201420171482U CN203795485U CN 203795485 U CN203795485 U CN 203795485U CN 201420171482 U CN201420171482 U CN 201420171482U CN 203795485 U CN203795485 U CN 203795485U
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- China
- Prior art keywords
- pile
- prestressed concrete
- concrete pipe
- cushion cap
- horizontal
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- Expired - Fee Related
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 14
- 239000005341 toughened glass Substances 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 241000219430 Betula pendula Species 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003245 working Effects 0.000 description 1
Abstract
The utility model discloses a horizontal bearing characteristics test model of a prestressed concrete pipe pile. The model comprises a model tank, wherein a bearing platform used for bearing model piles is arranged in the model tank, and the upper ends of the model piles are embedded into the bearing platform; a vertical loading system connected with a reaction frame and exerting a vertical force to the bearing platform is arranged above the model tank, a horizontal loading system connected with the model tank and exerting a horizontal force to the bearing platform is arranged on the inner side of the model tank, and monitoring devices are arranged on the bearing platform, the model piles and the loading systems. The utility model provides a test device which can better control load conditions and requirements of a pile foundation load test, simulatesactual working conditions of a pilefoundation more really, and explores bearing characteristics of a single pile and pile groups under the action of horizontal loads.
Description
Technical field
The utility model relates to a kind of civil engineering test model, especially a kind of bearer properties test model of building structure prestressed concrete pipe pile.
Background technology
The horizontal bearing characteristic research of prestressed concrete pipe pile mainly comprises that the horizontal bearing characteristic research of pile tube single pile, horizontal bearing characteristic research and a pile tube clump of piles for a pile tube clump of piles bear the horizontal bearing characteristic research under vertical uniform load q.Because pile foundation belongs to underground construction, uncertain factor is more, and field trial is subject to construction period, the environmental factor of engineering, the impact of human factor, is difficult to the bearer properties of the analysis and research pile foundation of comprehensive multi-state.Therefore present stage mainly depends on the method such as numerical computations, theory analysis for the research of pile foundation.But the methods such as numerical computations are subject to the impact of physical parameter and constitutive model larger, therefore the authenticity of result of calculation and accuracy are difficult to judge, result differs greatly with engineering is actual sometimes.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of loading condition requirement that can control preferably load on pile foundation test is provided, simulate more realistically the practical working situation of pile foundation, probe into the experimental rig of pile tube single pile and clump of piles bearer properties under horizontal loads.
The technical solution adopted in the utility model is as follows:
Prestressed concrete pipe pile horizontal bearing characteristic test model, comprise model groove, cushion cap and a Model Pile, above described model groove, be provided with vertical loading system connected and to cushion cap enforcement vertical force, inner side is provided with horizontal loading system connected and to cushion cap carrying out horizontal power, the upper end of described Model Pile is embedded in cushion cap, and is provided with monitoring device in described cushion cap and Model Pile.
Described monitoring device is be arranged at the dial gauge on cushion cap and be arranged at the foil gauge in Model Pile.
Described vertical loading system comprises the pressure sensor and the vertical reaction frame that carry hydraulic jack I, be arranged at jack I end, described vertical reaction frame is movably arranged on the top of connected model groove, and carries the top that is vertically arranged on vertical reaction frame of hydraulic jack I.
Described horizontal loading system comprises the pressure sensor II that carries hydraulic jack II and be arranged at jack end, and the described hydraulic jack II level of carrying is arranged on the upper of connected model groove.
Described model groove comprises multiple Plate Welding frame units that are bolted together, is embedded with tempered glass in described lead frame unit.
Described tempered glass middle part is provided with the drain hole that the diameter that communicates with the external world is 40mm.
Described Model Pile is organic glass pile tube, is pasted with resistance strain gage in its outside.
The beneficial effects of the utility model are as follows:
The result accuracy that this model not only can logarithm value calculates verifies, and easy and simple to handle, Modulatory character is high, avoided the limitation of field trial.The utility model test model not only can carry out the model testing of pile foundation list, clump of piles horizontal bearing characteristic, and working property can study a clump of piles and bear vertical load and horizontal loading simultaneously time.And the utility model model can Dismountable, reusable, also can simulate the various indoor model tests such as seepage stability, grouting mechanism, stability of slope.
Brief description of the drawings
Fig. 1 model groove stereogram
Fig. 2 is model testing loading system sectional drawing.
Fig. 3 is model testing monitoring system and Model Pile sectional drawing.
In figure: 1 model groove, 2 vertical reaction frames, 3 horizontal loading systems, 4 vertical loading systems, 5 pressure sensors, 6 cushion caps, 7 Model Pile, 8 sands, 9 dial gauges, 10 earth pressure cells, 11 foil gauges.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is elaborated:
As shown in Figure 1-Figure 3, prestressed concrete pipe pile horizontal bearing characteristic test model, comprises a model groove 1, is provided with the cushion cap 6 for carrying Model Pile in described model groove 1, and the upper end of Model Pile 7 is embedded in cushion cap 6, and lower end is embedded in sand 8; Above described model groove 1, be provided with one that be connected with vertical reaction frame 2 and cushion cap is implemented to the vertical loading system 4 of vertical force, model groove 1 inner side is provided with horizontal loading system 3 connected and to cushion cap carrying out horizontal power, and is provided with monitoring device in described cushion cap 6, Model Pile 7 and loading system.
Monitoring device is to be arranged at dial gauge 9 on cushion cap, to be arranged at foil gauge 11 in Model Pile, to be arranged at Model Pile earth pressure cell 10 around.
Vertical loading system 4 comprises carries hydraulic jack I, and the described hydraulic jack I that carries is vertically arranged on reaction frame, and described reaction frame is arranged on the top of cushion cap; And be provided with pressure sensor 5I in jack I end;
Horizontal loading system 3 comprises carries hydraulic jack II, and the described hydraulic jack II level of carrying is arranged on the inwall of connected model groove, and is provided with pressure sensor 5II in jack II end.
Model groove 1 comprises multiple steel plate framework unit that link together, and is embedded with tempered glass at described frame unit; Described tempered glass middle part is provided with the drain hole communicating with the external world; Described Model Pile is organic glass pile tube, is pasted with resistance strain gage 11 in its outside.The range of dial gauge is 50mm; The range of resistance-type earth pressure cell is 0.6MPa; Resistance strain plate adopts BX120-5AA series foil gauge.
Claims (7)
1. prestressed concrete pipe pile horizontal bearing characteristic test model, is characterized in that: comprise a model groove, be provided with the cushion cap for carrying Model Pile, and the upper end of Model Pile is embedded in cushion cap in described model groove; Above described model groove, be provided with a vertical loading system that be connected with reaction frame and to cushion cap enforcement vertical force, model groove inner side is provided with horizontal loading system connected and to cushion cap carrying out horizontal power, and is provided with monitoring device in described cushion cap, Model Pile and loading system.
2. prestressed concrete pipe pile horizontal bearing characteristic test model as claimed in claim 1, is characterized in that: described monitoring device is to be arranged at dial gauge on cushion cap, to be arranged at foil gauge in Model Pile, to be arranged at Model Pile earth pressure cell around.
3. prestressed concrete pipe pile horizontal bearing characteristic test model as claimed in claim 1, it is characterized in that: described vertical loading system comprises carries hydraulic jack I, the described hydraulic jack I that carries is vertically arranged on reaction frame, and described reaction frame is arranged on the top of cushion cap; And be provided with pressure sensor I in jack I end.
4. prestressed concrete pipe pile horizontal bearing characteristic test model as claimed in claim 1, it is characterized in that: described horizontal loading system comprises carries hydraulic jack II, the described hydraulic jack II level of carrying is arranged on the inwall of connected model groove, and is provided with pressure sensor II in jack II end.
5. prestressed concrete pipe pile horizontal bearing characteristic test model as claimed in claim 1, is characterized in that: described model groove comprises multiple steel plate framework unit that link together, and is embedded with tempered glass at described frame unit.
6. prestressed concrete pipe pile horizontal bearing characteristic test model as claimed in claim 5, is characterized in that: described tempered glass middle part is provided with the drain hole communicating with the external world.
7. prestressed concrete pipe pile horizontal bearing characteristic test model as claimed in claim 5, is characterized in that: described Model Pile is organic glass pile tube, is pasted with resistance strain gage in its outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171482.2U CN203795485U (en) | 2014-04-10 | 2014-04-10 | Horizontal bearing characteristics test model of prestressed concrete pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171482.2U CN203795485U (en) | 2014-04-10 | 2014-04-10 | Horizontal bearing characteristics test model of prestressed concrete pipe pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203795485U true CN203795485U (en) | 2014-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171482.2U Expired - Fee Related CN203795485U (en) | 2014-04-10 | 2014-04-10 | Horizontal bearing characteristics test model of prestressed concrete pipe pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN203795485U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898930A (en) * | 2014-04-10 | 2014-07-02 | 山东电力工程咨询院有限公司 | Horizontal bearing characteristics test model for prestressed concrete pipe piles and modeling method |
| CN104452835A (en) * | 2014-12-06 | 2015-03-25 | 国家电网公司 | Testing device for power transmission line foundation test and setting method thereof |
| CN105178366A (en) * | 2015-06-12 | 2015-12-23 | 同济大学 | Model test device for vertical long-time settling character test of pile foundation and application of model test device |
| CN105277444A (en) * | 2015-04-21 | 2016-01-27 | 河南理工大学 | Full-mechanical-type pile model test device and test method based on multidirectional loading |
| CN106013277A (en) * | 2016-07-12 | 2016-10-12 | 湖南科技大学 | Negative friction testing device for combined cast-in-place pile and using method of negative friction testing device |
| CN111289351A (en) * | 2020-03-23 | 2020-06-16 | 中铁二院工程集团有限责任公司 | Composite light pile group pile bearing capacity detection device, system and method |
| CN111402701A (en) * | 2020-03-26 | 2020-07-10 | 中铁二院工程集团有限责任公司 | Equal-load replacement light roadbed bearing detection simulation device and implementation method |
-
2014
- 2014-04-10 CN CN201420171482.2U patent/CN203795485U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898930A (en) * | 2014-04-10 | 2014-07-02 | 山东电力工程咨询院有限公司 | Horizontal bearing characteristics test model for prestressed concrete pipe piles and modeling method |
| CN103898930B (en) * | 2014-04-10 | 2016-08-17 | 山东电力工程咨询院有限公司 | Prestressed concrete pipe pile horizontal bearing attribute testing model and modeling method |
| CN104452835A (en) * | 2014-12-06 | 2015-03-25 | 国家电网公司 | Testing device for power transmission line foundation test and setting method thereof |
| CN104452835B (en) * | 2014-12-06 | 2016-04-27 | 国家电网公司 | For experimental rig and the method to set up thereof of transmission line foundation test |
| CN105277444A (en) * | 2015-04-21 | 2016-01-27 | 河南理工大学 | Full-mechanical-type pile model test device and test method based on multidirectional loading |
| CN105277444B (en) * | 2015-04-21 | 2018-03-09 | 河南理工大学 | Fully mechanical pile foundation model test apparatus and test method based on multidirectional loading |
| CN105178366A (en) * | 2015-06-12 | 2015-12-23 | 同济大学 | Model test device for vertical long-time settling character test of pile foundation and application of model test device |
| CN106013277A (en) * | 2016-07-12 | 2016-10-12 | 湖南科技大学 | Negative friction testing device for combined cast-in-place pile and using method of negative friction testing device |
| CN106013277B (en) * | 2016-07-12 | 2018-12-11 | 湖南科技大学 | A kind of combined type perfusion negative friction of pile test device and its application method |
| CN111289351A (en) * | 2020-03-23 | 2020-06-16 | 中铁二院工程集团有限责任公司 | Composite light pile group pile bearing capacity detection device, system and method |
| CN111402701A (en) * | 2020-03-26 | 2020-07-10 | 中铁二院工程集团有限责任公司 | Equal-load replacement light roadbed bearing detection simulation device and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140827 Termination date: 20180410 |