CN203275400U - Large fluid-solid coupling model test bench with prefabricated fault - Google Patents
Large fluid-solid coupling model test bench with prefabricated fault Download PDFInfo
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- CN203275400U CN203275400U CN 201320203618 CN201320203618U CN203275400U CN 203275400 U CN203275400 U CN 203275400U CN 201320203618 CN201320203618 CN 201320203618 CN 201320203618 U CN201320203618 U CN 201320203618U CN 203275400 U CN203275400 U CN 203275400U
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Abstract
The utility model relates to a large fluid-solid coupling model test bench with a prefabricated fault, which comprises a bench body, wherein a tempered glass lining waterproof layer is arranged on each inner wall of the bench body to form a sealed space; a water inlet is formed in the top of the sealed space; a fault prefabrication module is arranged in the sealed space; the fault prefabrication module comprises a template fixing framework; the two sides of the template fixing framework are mounted with the tempered glass lining waterproof layer, and at the same time, at least a pair of adjustable-inclination module sliding guide rails are arranged on the two sides of the template fixing framework respectively; a fault prefabrication template is placed on the template sliding guide rail; a fluid-solid coupling similar material is paved in the sealed space; a monitoring element is embedded in the fluid-solid coupling similar material; the monitoring element is connected with an information acquisition and storage device; and the information acquisition and storage device is connected with an information real-time display device. The large fluid-solid coupling model test bench provided by the utility model simulates the fluid-solid coupling characteristic of a tunnel passing through the fault to obtain a conclusion better conforming to the actual conditions, thereby guaranteeing the construction quality and safety.
Description
Technical field
The utility model relates to a kind of model test apparatus, Gu a kind of large-scale stream-coupling model test-bed that can prefabricated tomography specifically.
Background technology
Development along with China's economy and science and technology, the buried large cross-section tunnel of seabed tunnel, river-crossing tunnel and karst area that passes through tomography in transport development is also more and more common, the impact that water is built the success of these engineerings is also very remarkable, and many technical matterss are badly in need of solving.A lot of experts wish to realize by model test the simulation of field working conditions, reach a conclusion so that the safety of guide field construction is carried out smoothly.
Solid though be useful at present the device of stream-coupling model test, Gu this kind equipment its mainly for seepage field and stress field under the simulated field truth, observe in work progress tunnel surrounding seepage flow characteristics and loading procedure that country rock breaks and the gushing water process, simulate the plane and accurate three-dimensional flow-coupling model is tested intuitively.
But above-mentioned traditional geomechanical model test generally adopts the material of homogeneous isotropism, seldom relate to the unfavorable geology environment such as tomography, also seldom consider the intervention of Water In The Experiment, Gu can't realize water body and simulation country rock flow of material-coupled simulation, the conclusion that therefore draws can not truly reflect the actual conditions when having tomography.
The utility model content
The purpose of this utility model is just in order to overcome the deficiency of not simulating the tomography situation in model test recited above, Gu provide a kind of large-scale stream-coupling model test-bed that can prefabricated tomography, thereby this stand is realized expanding and then the dimensional requirement that adapts to different tests realizes the recycling of stand by Modularized splice; Adopt simultaneously the design concept of the included tempered glass of plow-steel skeleton, guaranteed that the Water tight of device has been realized not observing by the real-time phenomenon of instrument in the experimentation simultaneously; The prefabricated of tomography can be carried out after installing the tomography prefab-form additional in inside, Gu the stream-coupled characteristic in tunnel, tomography place is passed through in simulation, carry out seepage field under complicated geological environment and the analysis of model tests research of stress field, draw the conclusion that more tallies with the actual situation, and then better instruct Practical Project, guarantee quality and the safety of construction.
To achieve these goals, the utility model is by the following technical solutions:
Gu a kind of large-scale stream-coupling model test-bed that can prefabricated tomography, comprise a stand body, thereby each inwall of stand body is provided with tempered glass liner water-resisting layer forms a seal cavity, be provided with water inlet at the seal cavity top, be provided with the tomography Prefabricated block in the sealing space, described tomography Prefabricated block comprises a template fixed frame, template fixed frame both sides and tempered glass liner water-resisting layer are installed together, simultaneously be provided with at least respectively the adjustable module rail plate in a pair of inclination angle in template fixed frame both sides, place the tomography prefab-form on the template rail plate, admittedly lay the analog material that flow-is coupled in seal cavity, admittedly be embedded with monitoring element in the analog material that flow-is coupled, monitoring element is connected with the information acquisition memory storage, the information acquisition memory storage is connected with the information real-time displaying device.
Described template rail plate can change inclination angle and spacing adjacent one another are, realizes the fault simulation of any direction and thickness.
Described stand body is the steel skeleton of hollow out, and this steel skeleton is formed by bottom girder, forward and backward gable, both sides abutment wall moving jointing, and wherein bottom girder and gable are reserved the splicing interface, make stand body size adjustable; The both sides of template fixed frame and both sides the tempered glass liner water-resisting layer of side within the walls are connected.
Be provided with cushion rubber layer between described template fixed frame and tempered glass liner water-resisting layer.
Described bottom girder, forward and backward gable, both sides abutment wall form by module assembled, the excavation hole that has the simulation tunnel section to use of the module in the middle of the abutment wall of both sides wherein, the excavation hole is provided with dismountable shutoff tempered glass, the change of excavating dimension of opening by changing this module.
Described information acquisition memory storage is computing machine.
Described information real-time displaying device comprises the display of at least one giant-screen.
Gu the test method of the large-scale stream that a kind of employing can prefabricated tomography-coupling model test-bed comprises following step:
A. assemble the testing table support body;
B. the installation of tomography prefab-form: at stand body installed inside template fixed frame, then installation form rail plate and regulate angle and spacing, put into the tomography prefab-form;
Admittedly C. lay flow-be coupled analog material and monitoring element, and monitoring element is connected with the information acquisition memory storage, information acquisition memory storage and information real-time displaying device are installed;
D. prepare before the excavation: add water in the stand body, soak saturatedly admittedly will flow-be coupled analog material, make the inner seepage field of model and the stress field of stand body all reach the dynamic stability equilibrium state, and measure the front initial value of respectively monitoring components and parts of excavation disturbance;
E. test is carried out: open all information acquisition memory storages and information real-time displaying device, then excavate simulation by excavating the hole, carry out according to the order of reality excavation during simulation; The system that arranges simultaneously preserves the data recording of surveying; Be over Deng excavation, then carry out the collection measurement of follow-up water percolating capacity.
In described step C, admittedly the stream that the test intended is adopted-analog material that is coupled mixes, layering is laid, compacting, along with the propelling of filler process, and manual upward sliding tomography prefab-form and fixing, and so forth; Until model binds; According to physical quantity and the position thereof that will measure before test, the monitoring element of selecting is embedded in the position of appointment in the filler process; Dry admittedly will flow-be coupled the analog material placement, test simultaneously the working condition of monitoring element, detect to bury underground in process and whether damage.
The utility model has been studied the some shortcomings that traditional geomechanical model test exists, a series of innovations have been carried out on original experimental technique basis, solved the not reproducible utilization of traditional geomechanics model test stand, can't realize the drawback that tomography is prefabricated, Gu realized simultaneously that the Real-time Collection of stream-coupling model test figure shows and process of the test visual.The closing to reality engineering, reflect engineering problem more, makes the test result range of application that obtains wider, more can instruct the practice of construction process.
Gu the utility model has solved the problem of conventional flow-not reproducible utilization of coupling model test-bed, Gu realized the prefabricated of stream-coupling model test interrupting layer, have advantage:
1. Gu realized that the modularization of large-scale stream-coupling model test-bed can expand, test-bed can be reused under different tests dimensional requirement condition, reduction of expenditure.
2. take into full account the complicacy of geologic media, can carry out the prefabricated of fault belt, made test findings more press close to engineering reality.
3. be devoted to the visual of process of the test, can observe directly from the outside the softening process of material under the action of soaking of water and the development and evolution course of seepage channel, realize the visual of test unit.
4. test-bed satisfies the Water tight requirement, and the effect of water is introduced in the geomechanics model experiment, realizes the coupled simulation of seepage field and stress field.
5. the analysis of information data Real-time Collection shows, the phenomenon that observes directly and the variation of data reaction can be connected the analysis and thinking problem.
Description of drawings
Fig. 1 is tomography prefab-form system schematic of the present utility model;
Fig. 2 is stand body structure schematic diagram;
Fig. 3 is the right view (right side gable figure) of Fig. 2;
Fig. 3 a is for forming first module of gable;
Fig. 3 b is for forming second module of gable;
Fig. 3 c is for forming the 3rd module of gable;
Fig. 3 d is for forming the 4th module of gable;
Fig. 3 e is for forming the 5th module of gable.
Wherein, 1 template fixed frame; 2 template rail plates; 3 tomography prefab-forms, 4. abutment wall, 5 gables, 6 information real-time displaying device, 7 information acquisition memory storages, 8 excavation holes, 9, bottom girder, 10. module.
Embodiment
Below in conjunction with accompanying drawing and example, the utility model is further illustrated.
In Fig. 1, the tomography prefab-form comprises template fixed frame 1, template rail plate 2 and tomography prefab-form 3.The inside of stand body is tempered glass liner water-resisting layer, and template fixed frame 1 has cushion rubber layer with the direct contact surface of tempered glass liner water-resisting layer.During use first with template fixed frame 1 according to stand body size within it section assemble, then adjusting template rail plate 2 spacings and angle, admittedly tomography prefab-form 3 is slipped into along adjusting template rail plate 2 can flow-be coupled filling of analog material, the analogue formation body.Fill certain altitude with regard to upward sliding tomography prefab-form 3 once, and so forth until model complete.
In Fig. 2, Fig. 3, whole stand body comprises that abutment wall 4 splicings of bottom girder 9, forward and backward gable 5, both sides form.Bottom girder 9, forward and backward gable 5 and the common steel skeleton that consists of the hollow out of stand body of both sides abutment wall 4, this steel skeleton is spliced by high-strength steel sheet, thereby each inwall of stand body is provided with tempered glass liner water-resisting layer forms a seal cavity, is provided with water inlet at the seal cavity top.Admittedly lay the analog material that flow-is coupled in seal cavity, admittedly be embedded with monitoring element in the analog material that flow-is coupled, monitoring element is connected with information acquisition memory storage 7, information acquisition memory storage 7 is connected connection with the information real-time displaying device.
Reserve the splicing interface when bottom girder 9 and forward and backward gable 5 are made, be bolted, can connect the change that combination realizes stand body size by change, thereby adapt to the requirement of different size model test.
Steel skeleton adopts the hollow out design to guarantee its visuality, and included tempered glass liner water-resisting layer, guarantee its Water tight simultaneously.
Tomography prefab-form 3 is installed on template rail plate 2, and template rail plate 2 is fixed in the tempered glass liner water-resisting layer inboard of both sides gable 5, and template rail plate 2 can change spacing and inclination angle, thereby can realize the fault simulation of any direction and thickness.
Information acquisition memory storage 7 is taken on by the high-performance calculation machine host that various Information Monitoring softwares are housed, and guarantees Real-time Collection and the storage of data.
Information real-time displaying device 6 is comprised of the display of two large-size screen monitors, and subregion shows different types of data, realizes directly perceived demonstration the in real time of data, facilitates the observation in experimental project.
Gu the test method of a kind of large-scale stream for prefabricated tomography-coupling model test comprises following step:
A. the assembling of testing table support body.The abutment wall 4 of bottom girder 9, forward and backward gable 5, both sides is spliced assembling, then paste the sponge double faced adhesive tape in their inboard, tempered glass liner water-resisting layer is invested the inboard, slightly fix, then smear the glass cement sealing in tempered glass liner water-resisting layer junction, again each coupling bolt is tightened at last.
B. the installation of tomography prefab-form.At stand body installed inside template fixed frame 1, then installation form rail plate 2 and regulate angle and spacing, put into tomography prefab-form 3.
The filling of analog material analog material and monitoring components and parts is buried underground admittedly C. flow-be coupled.Admittedly the stream that the test intended is adopted-analog material that is coupled mixes, layering is laid, compacting, along with the propelling of filler process, and manual upward sliding tomography prefab-form 3 and fixing, and so forth, until model binds.According to physical quantity and the position thereof of planning before test to measure, the monitoring element of selecting is embedded in the position of appointment in the filler process.To flow the analog material placement that admittedly is coupled and dry, test simultaneously the working condition of monitoring element, and detect to bury underground in process and whether damage.
D. prepare before the excavation.Add water in the stand body, soak saturatedly admittedly will flow-be coupled analog material, make the inner seepage field of model and stress field all reach a kind of dynamic stability equilibrium state, and measure the initial value of each monitoring element before excavation disturbance.
E. test is carried out.Open all information acquisition memory storages 7, then carry out the simulation of excavation step by excavating the hole, carry out in strict accordance with the order of reality excavation during simulation.Simultaneously the data recording of surveying is preserved.Be over Deng excavation, then carry out the collection measurement of follow-up water percolating capacity.
Claims (7)
- Gu one kind can prefabricated tomography large-scale stream-coupling model test-bed, comprise a stand body, thereby each inwall of stand body is provided with tempered glass liner water-resisting layer forms a seal cavity, be provided with water inlet at the seal cavity top, it is characterized in that, be provided with the tomography Prefabricated block in the sealing space, described tomography Prefabricated block comprises a template fixed frame, template fixed frame both sides and tempered glass liner water-resisting layer are installed together, simultaneously be provided with at least respectively the adjustable module rail plate in a pair of inclination angle in template fixed frame both sides, place the tomography prefab-form on the template rail plate, admittedly lay the analog material that flow-is coupled in seal cavity, admittedly be embedded with monitoring element in the analog material that flow-is coupled, monitoring element is connected with the information acquisition memory storage, the information acquisition memory storage is connected with the information real-time displaying device.
- 2. Gu large-scale stream-coupling model test-bed that can prefabricated tomography as claimed in claim 1, is characterized in that, described template rail plate can change inclination angle and spacing adjacent one another are, realizes the fault simulation of any direction and thickness.
- 3. Gu large-scale stream-coupling model test-bed that can prefabricated tomography as claimed in claim 1, it is characterized in that, described stand body is the steel skeleton of hollow out, this steel skeleton is formed by bottom girder, forward and backward gable, both sides abutment wall moving jointing, wherein bottom girder and gable are reserved the splicing interface, make stand body size adjustable; The both sides of template fixed frame and both sides the tempered glass liner water-resisting layer of side within the walls are connected.
- 4. Gu large-scale stream-coupling model test-bed that can prefabricated tomography as claimed in claim 3, is characterized in that, is provided with cushion rubber layer between described template fixed frame and tempered glass liner water-resisting layer.
- 5. Gu large-scale stream-coupling model test-bed that can prefabricated tomography as claimed in claim 3, it is characterized in that, described bottom girder, forward and backward gable, both sides abutment wall form by module assembled, the excavation hole that has the simulation tunnel section to use of the module in the middle of the abutment wall of both sides wherein, the excavation hole is provided with dismountable shutoff tempered glass, the change of excavating dimension of opening by changing this module.
- 6. Gu large-scale stream-coupling model test-bed that can prefabricated tomography as claimed in claim 1, is characterized in that, described information acquisition memory storage is computing machine.
- 7. Gu large-scale stream-coupling model test-bed that can prefabricated tomography as claimed in claim 1, is characterized in that, described information real-time displaying device comprises the display of at least one giant-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203618 CN203275400U (en) | 2013-04-19 | 2013-04-19 | Large fluid-solid coupling model test bench with prefabricated fault |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320203618 CN203275400U (en) | 2013-04-19 | 2013-04-19 | Large fluid-solid coupling model test bench with prefabricated fault |
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| CN 201320203618 Withdrawn - After Issue CN203275400U (en) | 2013-04-19 | 2013-04-19 | Large fluid-solid coupling model test bench with prefabricated fault |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267835A (en) * | 2013-04-19 | 2013-08-28 | 山东大学 | Large-scale fluid-solid coupling model test bench being capable of prefabricating fault and test method |
| CN107328898A (en) * | 2017-07-18 | 2017-11-07 | 招商局重庆交通科研设计院有限公司 | Pass through tomography tunnel excavation analogue experiment installation |
| CN112557166A (en) * | 2020-11-19 | 2021-03-26 | 山东科技大学 | Loading buffer device and test system and method for fault simulation |
| CN112729881A (en) * | 2020-09-30 | 2021-04-30 | 北京工业大学 | Model test system and test method for non-precipitation subsurface excavation construction |
-
2013
- 2013-04-19 CN CN 201320203618 patent/CN203275400U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267835A (en) * | 2013-04-19 | 2013-08-28 | 山东大学 | Large-scale fluid-solid coupling model test bench being capable of prefabricating fault and test method |
| CN103267835B (en) * | 2013-04-19 | 2015-06-10 | 山东大学 | Large-scale fluid-solid coupling model test bench being capable of prefabricating fault and test method |
| CN107328898A (en) * | 2017-07-18 | 2017-11-07 | 招商局重庆交通科研设计院有限公司 | Pass through tomography tunnel excavation analogue experiment installation |
| CN107328898B (en) * | 2017-07-18 | 2023-02-21 | 招商局重庆交通科研设计院有限公司 | Crossing fault tunnel excavation simulation experiment device |
| CN112729881A (en) * | 2020-09-30 | 2021-04-30 | 北京工业大学 | Model test system and test method for non-precipitation subsurface excavation construction |
| CN112557166A (en) * | 2020-11-19 | 2021-03-26 | 山东科技大学 | Loading buffer device and test system and method for fault simulation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20150610 |
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| RGAV | Abandon patent right to avoid regrant |