CN117309295A - Test device for realizing non-uniform earthquake excitation and walk-slip fault coupling effect - Google Patents
Test device for realizing non-uniform earthquake excitation and walk-slip fault coupling effect Download PDFInfo
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- CN117309295A CN117309295A CN202311264926.7A CN202311264926A CN117309295A CN 117309295 A CN117309295 A CN 117309295A CN 202311264926 A CN202311264926 A CN 202311264926A CN 117309295 A CN117309295 A CN 117309295A
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- 230000005284 excitation Effects 0.000 title claims abstract description 53
- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000001808 coupling effect Effects 0.000 title claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000002689 soil Substances 0.000 description 3
- 241000274582 Pycnanthus angolensis Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention discloses a test device for realizing non-uniform seismic excitation and walk-slip fault coupling action, which comprises a fault walk-slip dislocation system and a non-uniform seismic excitation system; the fault sliding and staggering system is connected with the non-uniform earthquake excitation system; the fault sliding and dislocation system comprises at least two driving boxes, at least one follow-up box, a plurality of thrusting devices and a plurality of counterforce devices which are arranged on the non-uniform earthquake excitation system; the follow-up box is arranged between two adjacent driving boxes; a plurality of thrusters are arranged on two sides of the driving box, and the thrusters apply horizontal driving force to the driving box; the pushing device is arranged on the counter-force device. The invention solves the problem that the conventional fault model test cannot couple the seismic excitation with the walk-slip fault dislocation, and provides a method for accurately reproducing the actual fault occurrence by adjusting the size of the side box plate, so that the tunnel closest to the actual situation is simulated to pass through the walk-slip movable fracture zone.
Description
Technical Field
The invention belongs to the technical field of large-scale underground engineering models, and particularly relates to a test device for realizing non-uniform earthquake excitation and walk-slip fault coupling.
Background
With the rapid development of underground engineering in China, geological disasters become an important ring which cannot be ignored in the construction, operation and maintenance stages of the underground engineering. Earthquake is a common geological disaster in nature, and often seriously affects the safety of underground structures. According to incomplete statistics, an extra-large earthquake can cause serious damage to a highway tunnel, so that the grade of the highway is greatly reduced, the safe operation is threatened, and huge loss is caused to national economy. The method comprises the steps of (1) in Qinghai-Tibet plateau of a first step of China, and (2) in cloud precious plateau areas of a second step of China, wherein various types of movable faults with large and small sizes are distributed, and the movable faults without lack of sliding movement break, including a large-scale sliding movement breaking zone A Jin Duanlie still moving; there is also a large strike fault in the north east of the fracture of the cutting gate in the regional area. When a structural obstacle and a strong vibration activity surrounding space section are generated, the activity fracture is extremely easy to generate earthquake activity. Therefore, the method for researching the earthquake damage mechanism and the damage mode under the fracture of the sliding movement has extremely important significance for the construction of the cross-fault tunnel. However, at present, a large-scale model test device capable of coupling the walk-slip fault activity and the earthquake excitation is not available, and for tunnel anti-seismic and anti-fault researches penetrating through the walk-slip fault activity, numerical simulation is still used as a main research means, and verification of effective and reliable model test data is lacking.
Disclosure of Invention
The invention aims to provide a test device for realizing the coupling effect of non-uniform earthquake excitation and walk-slip faults, aiming at overcoming the defects in the prior art, so as to solve the problem that a large-scale model test device capable of coupling walk-slip fault activities and earthquake excitation is not available at present.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a test device for realizing non-uniform seismic excitation and walk-slip fault coupling effect comprises a fault walk-slip fault system and a non-uniform seismic excitation system; the fault walk-slip dislocation system is connected with the non-uniform seismic excitation system, and the non-uniform seismic excitation system applies non-uniform seismic excitation to the fault walk-slip dislocation system.
Further, the fault walk-slip dislocation system comprises at least two driving boxes, at least one follow-up box, a plurality of thrusters and a plurality of counter-force devices which are arranged on the non-uniform earthquake excitation system; the follow-up box is arranged between two adjacent driving boxes, and the follow-up box is flexibly connected with the driving boxes through a shear joint rubber; a plurality of thrusters are arranged on two sides of the driving box, and the thrusters apply horizontal driving force to the driving box; the pushing device is arranged on the counter-force device.
Further, the active case comprises a plurality of main case plates and a main bottom plate; the main side panels, the main bottom panel and the top panel form an enclosed space that is filled with model ground material.
Further, the follower box comprises a follower box plate and a follower bottom plate; the follow-up side box plate, the follow-up bottom plate and the follow-up top plate form a follow-up closed space, and fault nuclear model stratum materials are filled in the follow-up closed space.
Further, the side following box plates and the main side box plates are in a parallelogram shape, and the main side box plates and the side following box plates which are positioned on the same side are matched in shape to form a rectangular plate-shaped structure.
Further, a sliding rail is arranged at the bottom of the driving box provided with the pushing device, and the sliding rail is a heavy linear guide rail arranged below the bottom plate.
Further, the pushing device is a hydraulic cylinder; the reaction force device comprises a reaction force supporting frame; the hydraulic oil cylinder is fixed on the counter-force supporting frame, and pushes the pushing flat plate on the side box plate through the hydraulic oil cylinder so as to push the driving box on the vibration main table to move along the heavy linear guide rail.
Further, the non-uniform seismic excitation system comprises a vibration main platform and a vibration auxiliary platform; the driving box provided with the pushing device is fixed on the vibration main platform through the mounting plate, and other driving boxes are fixed on the vibration auxiliary platform through the mounting plate; the vibration main platform and the vibration auxiliary platform simulate earthquake vibration by applying vibration waves with preset frequency, amplitude and time to the driving box at the upper part of the vibration main platform and the vibration auxiliary platform.
Further, the mounting plate comprises an active box mounting plate and a follow-up box mounting plate; the driving box mounting plate is connected with the driving box and the vibration main table through bolts and is connected with the driving box and the vibration auxiliary table through bolts; the follower box mounting plate is respectively connected with the ground and the follower box.
The test device for realizing the non-uniform earthquake excitation and walk-slip fault coupling effect has the following beneficial effects:
1. the invention is provided with the fault sliding and moving system and the non-uniform earthquake excitation system, and the fault sliding and moving system and the non-uniform earthquake excitation system are organically coupled through the cooperation of the two systems, so that the structural mechanical characteristics of the crossing sliding fault tunnel under the influence of earthquake vibration can be effectively simulated and researched.
2. The invention solves the problem that the conventional fault model test cannot couple the earthquake excitation with the walk-slip fault dislocation, and provides a method which can accurately reproduce the actual fault occurrence by adjusting the size of the side box plate, thereby simulating the tunnel closest to the actual situation to pass through the walk-slip movable fracture zone; and the fault-resistant and earthquake-resistant design of the tunnel crossing the sliding active fault can be further researched on the basis.
3. According to the invention, through the matching of the following side box plates and the main side box plates, the inclination angle between the driving box and the following box can be changed to be 20-160 degrees, so that a true structure sliding fault with tendency, trend and inclination angle is simulated.
Drawings
FIG. 1 is a plan view of a test apparatus for implementing non-uniform seismic excitation and walk-slip fault coupling in accordance with the present invention.
FIG. 2 is a side view of a test apparatus for achieving non-uniform seismic excitation and walk-slip fault coupling in accordance with the present invention.
FIG. 3 is an isometric view of a test apparatus for achieving non-uniform seismic excitation and walk-slip fault coupling in accordance with the present invention.
FIG. 4 is a schematic diagram of the cooperation of the inclined arrangement of the driving and follower boxes of the test device for achieving non-uniform seismic excitation and walk-slip fault coupling.
The device comprises a driving box, a first driving box and a second driving box, wherein the driving box is arranged on the first driving box; 2. a follower box; 3. a pushing device; 4. a reaction force device; 5. vibrating a main table; 6. a vibration auxiliary table; 7. a mounting plate; 1-1, main side box boards; 1-2, a main bottom plate; 1-3, sliding rails; 1-4, pushing the flat plate; 2-1, a side box board; 2-2, following the bottom plate; 7-1, an active box mounting plate; 7-2, a servo box mounting plate.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
Example 1
Referring to fig. 1, the embodiment provides a test device for implementing the coupling effect of non-uniform seismic excitation and walk-slip fault, and the embodiment couples fault walk-slip fault with non-uniform seismic excitation, so that structural mechanical characteristics of a walk-slip fault tunnel under the influence of seismic vibration can be effectively simulated and studied, and the test device specifically comprises:
a fault walk-slip dislocation system and a non-uniform seismic excitation system; the fault walk-slip dislocation system is connected with the non-uniform seismic excitation system, and the non-uniform seismic excitation system applies non-uniform seismic excitation to the fault walk-slip dislocation system.
Specifically, referring to fig. 1, 2 or 3, the fault sliding system of the present embodiment may simulate sliding fault sliding, and push the driving case 1 to slide horizontally by pushing the assistance of the guide rail to realize horizontal sliding movement of the fault, which specifically includes: at least two driving boxes 1, at least one follow-up box 2, a plurality of thrusting devices 3 and a plurality of counterforce devices 4;
the follow-up boxes 2 are arranged between two adjacent driving boxes 1, and the follow-up boxes 2 are flexibly connected with the driving boxes 1 through shear joint rubber, and the connection mode can be used for better transmitting the horizontal sliding motion influence of the driving boxes 1; the non-rigid connection mode of the follower box 2 and the driving box 1 can realize the follow-up vibration of the follower box 2.
The specific number of the driving boxes 1 and the follow-up boxes 2 can be designed into fault combination modes of 2 main 1 follow-up and 3 main 2 follow-up according to the requirement, and the fault combination modes can be used for simulating a fault or multiple faults.
As a preference of the present embodiment, the present embodiment is preferably two driving cases 1 and one follower case 2, the follower case 2 being located between the two driving cases 1.
A plurality of thrusters 3 are arranged on two sides of the driving box 1, and the thrusters 3 apply horizontal driving force to the driving box 1; the pushing device 3 is arranged on the counter-force device 4.
Specifically, the driving box 1 comprises a plurality of main side box plates 1-1 and a main bottom plate 1-2, and the connection positions between the main side box plates 1-1 and the side bottom plates are bolted through preset bolt holes on the box plates; the main side box plate 1-1, the main bottom plate 1-2 and the top plate form a closed space, and model stratum materials are filled in the closed space, wherein a sliding rail 1-3 is additionally arranged at the bottom of the driving box 1 on the vibration main platform 5, the sliding rail 1-3 is a heavy linear guide rail arranged at the lower part of the bottom plate of the driving box 1, and the horizontal sliding of the driving box 1 on the vibration main platform 5 can be realized to simulate the horizontal dislocation of a sliding fault.
The follow-up box 2 comprises a follow-up side box plate 2-1 and a follow-up bottom plate 2-2, and for convenience of installation and use, the follow-up box 2 uses the same structure and connection mode as the driving box 1; the follow-up side box plate 2-1, the follow-up bottom plate 2-2 and the top plate form a follow-up closed space, and the follow-up closed space is filled with stratum material of the fault nuclear part model.
In the invention, the driving box 1 and the following box 2 form a closed container for placing similar materials of a fault model, wherein the driving box 1 simulates an upper disc area and a lower disc area, and the following box 2 simulates a fault core area.
Referring to fig. 4, in this embodiment, a true structure walk-slip fault with inclination, trend and dip angle is simulated, and one preferable embodiment is that both the side following box plate 2-1 and the main side box plate 1-1 are in a parallelogram shape, and the main side box plate 1-1 and the side following box plate 2-1 on the same side are matched in shape to form a rectangular plate structure. That is, the inclination shape between the driving case 1 and the following case 2 can be adjusted by adjusting the side case plate size between the driving case 1 and the following case 2.
Specifically, the connection position of the driving box 1 and the driven box 2 can be adjusted by changing the size of the side box plate in the mode shown in fig. 4, namely, the trend of the fault is adjusted by changing the same angle of the main side box plate 1-1 and the side box plate 2-1, the trend of the fault is adjusted by changing the angle of the main side box plate 1-1 and the side box plate 2-1, and the trend and trend of the true running fault are simulated.
The pushing device 3 is a front flange oil cylinder, is connected to the mounting frame through a flange, and realizes displacement load application through pushing the side part of the driving box 1 on the vibrating main table 5 so as to simulate horizontal sliding of a sliding fault. The hydraulic cylinder is used for providing power to push the pushing flat plates 1-4 at the front and rear of the driving box 1, so that the driving box 1 moves through a heavy linear guide rail arranged at the bottom to simulate the horizontal dislocation and the reset of a walking and sliding fault;
the reaction device 4 comprises a reaction supporting frame for providing reaction support for horizontal displacement loading; the hydraulic cylinder is fixed on the counter-force supporting frame, and pushes the pushing flat plate 1-4 on the side box plate through the hydraulic cylinder, so that the pushing flat plate moves through a heavy linear guide rail arranged under the main bottom plate 1-2, the hydraulic cylinder can realize the reciprocating cyclic loading of the dislocation, and the driving box 1 can return to the original position after the dislocation displacement loading.
The non-uniform earthquake excitation system can apply non-uniform earthquake excitation to different areas of the fault through a vibrating table at the bottom of the model, and comprises a vibrating main table 5 and a vibrating auxiliary table 6; the driving box 1 provided with the pushing device 3 is fixed on the vibration main platform 5 through a mounting plate 7, and other driving boxes 1 are fixed on the vibration auxiliary platform 6 through the mounting plate 7; the vibration main stage 5 and the vibration sub-stage 6 simulate earthquake vibration by applying vibration waves of a predetermined frequency, amplitude, and time to the active tank 1 at the upper portion thereof.
The mounting plate 7 comprises an active box mounting plate 7-1 and a follow-up box mounting plate 7-2; the driving box mounting plate 7-1 is connected with the driving box 1 and the vibration main table 5 through bolts, and is connected with the driving box 1 and the vibration auxiliary table 6 through bolts, and is used for transmitting vibration excitation; the follower box mounting plate 7-2 is connected with the ground and the follower box 2 respectively, and is mainly used for filling the height gap between the vibrating table and the ground.
The working principle of the embodiment is as follows:
when the test starts, two active box 1 boxes are respectively arranged on the vibration main platform 5 and the vibration auxiliary platform 6 through an active box mounting plate 7-1, the follow-up box 2 boxes are arranged on the ground through a follow-up box mounting plate 7-2, model similar materials of different fault sections are respectively filled into three model boxes (the two active boxes 1 and one follow-up box 2), and a top plate is arranged after the compaction and flattening in a grading manner so as to prevent soil in the boxes from overflowing in the process of the dislocation of the active boxes 1.
After the test is ready, the hydraulic oil cylinder in the pushing device 3 pushes the pushing flat plate 1-4 at the front side of the driving box 1 on the vibration main platform 5, so that displacement loading of fault sliding and dislocation is carried out, and the loaded displacement can be specifically determined according to the size of a tunnel section, the simulated earthquake magnitude and the simulated fault activity degree.
In the whole process of the dislocation displacement loading, the vibration main platform 5 and the vibration auxiliary platform 6 apply seismic wave excitation to the active box 1 arranged on the vibration main platform and the vibration auxiliary platform simultaneously, and the test platform can input seismic waves with different frequencies, amplitudes and times to different vibration platforms so as to simulate non-uniform seismic excitation in movable fracture. In the process, the active box 1 on the vibration main platform 5 can restore the situation that the movable fracture moving disc is influenced by the superposition load of strong earthquake and displacement to the greatest extent, the active box 1 on the vibration auxiliary platform 6 can restore the situation that the movable fracture fixed disc is influenced by the strong earthquake load to the greatest extent, and the two influence the model soil in the follow-up box 2 together so as to restore the complex stress mode of the movable fracture fault core area to the greatest extent.
When the dislocation reaches the maximum preset amount, the hydraulic cylinder at the front side of the driving box 1 pauses pushing, and meanwhile, the vibration main table 5 stops exciting the driving box 1. After the whole device tends to be stable, the hydraulic cylinder at the other side of the driving box 1 reversely pushes the driving box 1 to restore to the initial position before the dislocation, after the model is restored to the initial position, the top plates of the driving box 1 and the follow-up box 2 are removed, soil is unloaded, and the dislocation excitation coupling test of the one-time movable sliding fault is finished.
Although specific embodiments of the invention have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.
Claims (9)
1. A test device for realizing non-uniform earthquake excitation and walk-slip fault coupling effect is characterized in that: the system comprises a fault walk-slip dislocation system and a non-uniform earthquake excitation system; the fault walk-slip dislocation system is connected with the non-uniform seismic excitation system, and the non-uniform seismic excitation system applies non-uniform seismic excitation to the fault walk-slip dislocation system.
2. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 1, wherein: the fault sliding and dislocation system comprises at least two driving boxes, at least one follow-up box, a plurality of thrusting devices and a plurality of counterforce devices which are arranged on the non-uniform earthquake excitation system; the follow-up boxes are arranged between two adjacent driving boxes, and the follow-up boxes are flexibly connected with the driving boxes through shear joint rubber sheets; a plurality of thrusters are arranged on two sides of the driving box, and the thrusters apply horizontal driving force to the driving box; the pushing device is arranged on the counter-force device.
3. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 2, wherein: the driving box comprises a plurality of main side box plates and a main bottom plate; the main side case plate, the main bottom plate and the top plate form an enclosed space, and model stratum materials are filled in the enclosed space.
4. A test apparatus for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 3, wherein: the follow-up box comprises a follow-up box plate and a follow-up bottom plate; the follow-up side box plate, the follow-up bottom plate and the top plate form a follow-up closed space, and fault nuclear model stratum materials are filled in the follow-up closed space.
5. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 4, wherein: the side following box plates and the main side box plates are in a parallelogram shape, and the main side box plates and the side following box plates which are positioned on the same side are matched in shape to form a rectangular plate-shaped structure.
6. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 2, wherein: the bottom of the driving box provided with the pushing device is provided with a sliding rail, and the sliding rail is a heavy linear guide rail arranged below the bottom plate.
7. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 6, wherein: the pushing device is a hydraulic cylinder; the reaction force device comprises a reaction force supporting frame; the hydraulic oil cylinder is fixed on the counter-force supporting frame, and pushes the pushing flat plate on the side box plate through the hydraulic oil cylinder so as to push the driving box on the vibration main table to move along the heavy linear guide rail.
8. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 2, wherein: the non-uniform earthquake excitation system comprises a vibration main platform and a vibration auxiliary platform; the driving box provided with the pushing device is fixed on the vibration main platform through a mounting plate, and other driving boxes are fixed on the vibration auxiliary platform through mounting plates; the vibration main platform and the vibration auxiliary platform simulate earthquake vibration by applying vibration waves with preset frequency, amplitude and time to an active box at the upper part of the vibration main platform and the vibration auxiliary platform.
9. The test device for achieving non-uniform seismic excitation and walk-slip fault coupling according to claim 8, wherein: the mounting plate comprises an active box mounting plate and a follow-up box mounting plate; the driving box mounting plate is connected with the driving box and the vibration main table through bolts and is connected with the driving box and the vibration auxiliary table through bolts; the follow-up box mounting plate is respectively connected with the ground and the follow-up box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311264926.7A CN117309295A (en) | 2023-09-26 | 2023-09-26 | Test device for realizing non-uniform earthquake excitation and walk-slip fault coupling effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311264926.7A CN117309295A (en) | 2023-09-26 | 2023-09-26 | Test device for realizing non-uniform earthquake excitation and walk-slip fault coupling effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554144A (en) * | 2024-01-11 | 2024-02-13 | 中国矿业大学(北京) | Tunnel physical model test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554144A (en) * | 2024-01-11 | 2024-02-13 | 中国矿业大学(北京) | Tunnel physical model test device |
| CN117554144B (en) * | 2024-01-11 | 2024-03-22 | 中国矿业大学(北京) | Tunnel physical model test device |
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