CN108982219A - Tunnel fault dislocation model test device and dislocation model test system - Google Patents
Tunnel fault dislocation model test device and dislocation model test system Download PDFInfo
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- CN108982219A CN108982219A CN201810860128.3A CN201810860128A CN108982219A CN 108982219 A CN108982219 A CN 108982219A CN 201810860128 A CN201810860128 A CN 201810860128A CN 108982219 A CN108982219 A CN 108982219A
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 239000011324 bead Substances 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 238000003325 tomography Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel fault dislocation model test device and a dislocation model test system. The inner box is arranged inside the outer box, and a gap is formed between the inner box and the outer box; the bottom wall of the inner box and two adjacent side walls are respectively provided with a loading part which is used for applying thrust to the inner box; the measuring part is arranged inside the inner box. The tunnel fault dislocation model test device provided by the invention has the advantages that the tunnel model is placed in the inner box, the experimental soil is filled in the inner box to embed the tunnel model, the initial data of the measuring part is recorded after the tunnel model is stabilized, the test is started, all or part of the loading part is started, the thrust is applied to the inner box to simulate fault dislocation, the stress deformation data and the crack distribution rule of the tunnel when fault dislocation occurs are obtained, the measurement is accurate, the test range is wide, the use is convenient, the cost is low, and the problem that the conventional fault adhesion slip dislocation model test device is inaccurate in measurement is solved.
Description
Technical field
The present invention relates to a kind of Faults in Tunnels dislocation model experimental rig and dislocation model pilot systems.
Background technique
Tomography sticks slide and moves, and can not only cause earthquake disaster, and the permanent deformation of bring stratum can be because of tomography two
The differential movement of side and on the ground and underground engineering make a big impact.
Under active fault effect, how is the deformation-failure character of mountain tunnel, and coverage is how many, tunnel institute energy
The maximum fault displcement of receiving has much etc., key point of this series of problems as Active Fault Area Tunnel Engineering.
Lot of domestic and international scholar is permanently deformed for seismic stratum, passes through economics analysis method, numerical simulation side
Method and indoor model test method etc., the stress deformation mechanism of Study of The Underground structure, and measure related data.But it is disconnected
The dynamic glutinous slide of layer is a complicated process, and just for being studied in a certain respect, measurement result is not accurate enough for majority research.
Therefore, laboratory test needs to develop novel integrated model casing, sticks the dynamic effect of slide as much as possible to simulate tomography
Fruit, it is disconnected to pass through to understand earth formation interaction characteristic, malformation caused by fault movement and internal force changing rule
The structure design of tunnel for splitting band provides relatively accurate Technical Reference.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of Faults in Tunnels dislocation model experimental rigs and dislocation model to try
Check system measures not accurate enough technical problem to solve the glutinous slide moving model experiment device of tomography existing in the prior art.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of Faults in Tunnels dislocation model experimental rig provided by the invention, including outer container, interior case, loading unit and measurement
Portion；
The inside of the outer container is arranged in the interior case, has gap between the interior case and the outer container；
Loading unit is equipped on the bottom wall of the interior case and adjacent two side walls, the loading unit is used for the interior case
Apply thrust；
The inside of the interior case is arranged in the measurement portion.
Further, the outer container is open-topped cabinet.
Further, the interior case is open-topped cabinet.
Further, the side wall of the outer container is equipped with stull.
Further, the side wall of the outer container is equipped with perpendicular support.
It further, further include pedestal；
The outer container is arranged on the pedestal.
Further, the top of the pedestal is equipped with retention bead.
Further, the bottom wall of the interior case is arranged in by the pedestal for the loading unit.
Further, the side wall of the interior case is arranged in by counter force wall for the loading unit.
The present invention also provides a kind of dislocation model pilot systems, including feeding device, control device and tunnel as the aforementioned
Fault movement model test apparatus；
The feeding device is used to for tunnel model being placed into inside the interior case and tests to filling inside the interior case
With soil；
The control device is fed and is controlled the loading unit promotion interior case for controlling the feeding device.
Faults in Tunnels dislocation model experimental rig provided by the invention and dislocation model pilot system, tunnel model is placed
The initial number of measurement portion is recorded after stablizing in the inside of the interior case filling experiment embedding tunnel model of soil in the inside of interior case
According to starting to test, start all or part of loading unit, internal case applies thrust, simulates fault movement, obtains that tomography occurs is wrong
The stress deformation data and Fracture distribution in tunnel when dynamic, measurement is accurate, and test scope is wide, easy to use, at low cost, solves
Existing tomography sticks slide moving model experiment device and measures not accurate enough problem, is adapted for promoting and applying.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of front view structure signal for Faults in Tunnels dislocation model experimental rig that the embodiment of the present invention one provides
Figure；
Fig. 2 is a kind of side view structure signal for Faults in Tunnels dislocation model experimental rig that the embodiment of the present invention one provides
Figure；
Fig. 3 is a kind of plan structure signal for Faults in Tunnels dislocation model experimental rig that the embodiment of the present invention one provides
Figure.
Appended drawing reference:
100- outer container；Case in 200-；300- loading unit；
400- pedestal；500- counter force wall；201- stull；
The perpendicular support of 202-；401- retention bead.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one:
In the optinal plan of the present embodiment, as shown in Figure 1 to Figure 3, a kind of Faults in Tunnels changing of the relative positions provided in this embodiment
Model test apparatus, including outer container 100, interior case 200, loading unit 300 and measurement portion；
The inside of outer container 100 is arranged in interior case 200, has gap between interior case 200 and outer container 100；
Loading unit 300 is equipped on the bottom wall of interior case 200 and adjacent two side walls, loading unit 300 is used for internal case 200
Apply thrust；
The inside of interior case 200 is arranged in measurement portion.
In the present embodiment, tunnel model is poured in mold, is taken out after reaching intensity, and is pasted and answered on tunnel model
Become piece；Then tunnel model is placed on to the inside of interior case 200, in the inside of the interior case 200 filling experiment embedding tunnel mould of soil
Type, records the primary data of measurement portion after stablizing, and preparation starts to test；Start all or part of loading unit 300, internal case
200 apply thrust, simulate fault movement, obtain the stress deformation data in tunnel and fractue spacing rule when fault movement occurs
Rule, measurement is accurate, and test scope is wide, and vdiverse in function, loading speed is controllable, easy to use, at low cost.
In the present embodiment, between interior case 200 and outer container 100 pad be equipped with steel plate or other materials, support in case 200 with
While making to keep certain gap between interior case 200 and outer container 100, interior case 200 is made to have certain mobile space.
In the present embodiment, specifically, loading unit 300 is correspondingly arranged downside, left side, rear side in interior case 200.
In this embodiment, it is preferred that loading unit 300 includes jack；Hydraulic jack is specifically used, numerical control is adjustable.
In the present embodiment, measurement portion includes pressure sensor and tester, is embedded in inside interior case 200；Specifically, it presses
Force snesor setting measures the variation of confining pressure between country rock and just branch, just between branch and two linings.
In the present embodiment, the data that acquisition foil gauge is stretched or compressed, obtain the size distortion of tunnel model, analyze
After obtain related data.
It should be noted that according to the different movement characteristics of the actually located tomography in tunnel, it will be by practical tomography geology item
The filled interior case 200 of part divides for upper disk (sedimentation plate) and lower wall (fixed disk)；Keep lower wall motionless, left side and downside plus
Load portion 300 goes up and down the upper disk sedimentation of realization with joint efforts, can any adjusting faults inclination angle, so that it is quasi- to realize that tomography sticks slide dynamic model；
Keep lower wall motionless, the loading unit 300 of rear side pushes upper disk to slide along the longitudinal direction, to realize that tomography walks the dynamic mould of slide
It is quasi-.
In the present embodiment, a certain range of glutinous slide needed for the present apparatus can simulate test moves angle, also, also
Slide dynamic model can be carried out away to intend walking sliding experimental rig without making one again.
In the optinal plan of the present embodiment, outer container 100 is open-topped cabinet.
In the optinal plan of the present embodiment, interior case 200 is open-topped cabinet.
In the present embodiment, outer container 100 and the equal top opening of interior case 200, on the one hand facilitate the erection of device, another party
Face, convenient for the addition and taking-up of tunnel model and material, so that the use of device entirety is more convenient.
In the optinal plan of the present embodiment, the side wall of outer container 100 is equipped with stull 201.
In the present embodiment, stull 201 is parallel to horizontal direction, is fixedly connected on the inner wall or outer wall of outer container 100；Phase
The setting height of stull 201 on adjacent side wall is identical and is connected with each other.
In the optinal plan of the present embodiment, the side wall of outer container 100 is equipped with perpendicular support 202.
In the present embodiment, it erects support 202 and is parallel to vertical direction, be fixedly connected on the inner wall or outer wall of outer container 100；It is perpendicular
Support 202 intersects with stull 201, and perpendicular support 202 makes the position of stull 201 more stable.
In the present embodiment, 202 mating reactions of stull 201 and perpendicular support, so that the structure of outer container 100 is firmer, more
Stablize.
It further include pedestal 400 in the optinal plan of the present embodiment；Outer container 100 is arranged on pedestal 400.
In the present embodiment, pedestal 400 plays support and fixation to outer container 100, and then supports and fix interior case
200。
In the present embodiment, outer container 100 supports and fixes interior case 200, prevents interior case 200 by falling on pedestal 400.
In the optinal plan of the present embodiment, the top of pedestal 400 is equipped with retention bead 401.
In the present embodiment, 400 top of pedestal is equipped with retention bead 401 close to side edge, prevents outer container 100 in test
It is loaded portion 300 and is above pushed away by pedestal 400 and fallen, increase the safety of test.
In the present embodiment, specifically, retention bead 401 is correspondingly arranged at the right side of pedestal 400, front side.
In the present embodiment, the material of pedestal 400 is concrete.
In the optinal plan of the present embodiment, the bottom wall of interior case 200 is arranged in by pedestal 400 for loading unit 300.
In the present embodiment, the loading unit 300 of 200 bottom wall of case in corresponding, it is another one end of which is fixed on pedestal 400
Bottom wall of the end for internal case 200 applies thrust.
In the optinal plan of the present embodiment, the side wall of interior case 200 is arranged in by counter force wall 500 for loading unit 300.
In the present embodiment, the loading unit 300 of 200 side wall of case in corresponding, it is another one end of which is fixed on counter force wall 500
Side wall of the one end for internal case 200 applies thrust.
In the present embodiment, when not working, loading unit 300 is generally in the outside of outer container 100, when work, loading unit 300
Free end outer container 100 is protruded by the preformed hole on outer container 100, contacted with interior case 200 and internally case 200 apply thrust.
It should be noted that the faulting situation that the present apparatus can be simulated specifically includes that
1, it is dynamic to stick slide for reversed fault
The loading unit 300 of 200 bottom wall of case and left side wall loads in corresponding, and upper disk rises overally, in interior 200 internal simulation of case
Coating in form apparent fracture, and upwardly propagate to the sand surface of simulation, tomography situation is simulated；This test
The reversed fault of consideration sticks slide and moves, and is mainly simulated by faster loading speed, takes into account the operability of data acquisition, takes
The vertical displacement rate of upper disk is 1mmmin-1；In loading procedure, automatic collection foil gauge and pressure sensor data, with disconnected
Layer vertical direction displacement is control amount, the stress deformation of tunnel model when testing different displacements；After load, interior case is excavated
Fill material in 200, and the final damage -form of tunnel model is observed, understand the regularity of distribution in crack.
2, it is dynamic to stick slide for normal fault
The loading unit 300 of 200 bottom wall of case and left side wall loads in corresponding, fixed after upper disk is promoted at setting height,
Then the filling experiment soil in interior case 200, then embedding tunnel model, pressure sensor and tester, record just after stablizing
Beginning data then start to test, and the loading unit 300 of corresponding interior 200 bottom wall of case and left side wall is shunk, and upper disk integral sinking is covering
Apparent tomography is formd in cap rock, and is upwardly propagated to sand surface, and tomography situation is simulated；This test considers just disconnected
The glutinous slide of layer is dynamic, is mainly simulated by faster loading speed, takes into account the operability of data acquisition, takes the vertical of disk
Rate of displacement is 1mmmin-1, it is dynamic that subsequent step with reversed fault sticks slide.
3, tomography walks cunning
Only load corresponds to the loading unit 300 of 200 rear wall of interior case, and disk walks cunning in promotion；The tomography that this test considers walks cunning
The changing of the relative positions is mainly simulated by faster loading speed, is taken into account the operability of data acquisition, is taken the rate of displacement of disk to be
1mm·min-1；In loading procedure, automatic collection foil gauge and pressure sensor data are control with the displacement of tomography horizontal direction
Amount, the stress deformation of tunnel model when testing different displacements；After load, the final destruction shape of tunnel model is excavated and observed
State understands the regularity of distribution in crack.
Embodiment two:
In the optinal plan of the present embodiment, a kind of dislocation model pilot system provided in this embodiment, including charging dress
It sets, control device and the Faults in Tunnels dislocation model experimental rig as described in embodiment one；
Feeding device is used to for tunnel model being placed into interior 200 inside of case and inwardly filling experiment soil inside case 200；
Control device is fed and is controlled loading unit 300 for controlling feeding device and pushes interior case 200.
In the present embodiment, feeding device includes manipulator, and manipulator crawl tunnel model simultaneously places it in interior case 200
It is internal.
In the present embodiment, feeding device further includes peel, for addition experiment inside inside case 200 with soil with embedding
Tunnel model.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of Faults in Tunnels dislocation model experimental rig, which is characterized in that including outer container, interior case, loading unit and measurement portion；
The inside of the outer container is arranged in the interior case, has gap between the interior case and the outer container；
Loading unit is equipped on the bottom wall of the interior case and adjacent two side walls, the loading unit is used to apply the interior case
Thrust；
The inside of the interior case is arranged in the measurement portion.
2. Faults in Tunnels dislocation model experimental rig according to claim 1, which is characterized in that the outer container is opened for top
The cabinet of mouth.
3. Faults in Tunnels dislocation model experimental rig according to claim 1, which is characterized in that the interior case is opened for top
The cabinet of mouth.
4. Faults in Tunnels dislocation model experimental rig according to claim 1, which is characterized in that on the side wall of the outer container
Equipped with stull.
5. Faults in Tunnels dislocation model experimental rig according to claim 1, which is characterized in that on the side wall of the outer container
Equipped with perpendicular support.
6. Faults in Tunnels dislocation model experimental rig according to claim 1, which is characterized in that further include pedestal；
The outer container is arranged on the pedestal.
7. Faults in Tunnels dislocation model experimental rig according to claim 6, which is characterized in that set at the top of the pedestal
There is retention bead.
8. Faults in Tunnels dislocation model experimental rig according to claim 6, which is characterized in that the loading unit passes through institute
State the bottom wall that the interior case is arranged in pedestal.
9. Faults in Tunnels dislocation model experimental rig according to claim 1, which is characterized in that the loading unit passes through anti-
The side wall of the interior case is arranged in power wall.
10. a kind of dislocation model pilot system, which is characterized in that including feeding device, control device and such as claim 1 to 9
Described in any item Faults in Tunnels dislocation model experimental rigs；
The feeding device is used to for tunnel model being placed into inside the interior case and tests to filling inside the interior case with soil；
The control device is fed and is controlled the loading unit promotion interior case for controlling the feeding device.
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| CN201810860128.3A CN108982219A (en) | 2018-08-01 | 2018-08-01 | Tunnel fault dislocation model test device and dislocation model test system |
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| CN201810860128.3A CN108982219A (en) | 2018-08-01 | 2018-08-01 | Tunnel fault dislocation model test device and dislocation model test system |
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| CN109754697A (en) * | 2019-01-18 | 2019-05-14 | 安徽理工大学 | A kind of similar physics experimental rig of three-dimensional of simulation fault movement |
| CN109839315A (en) * | 2019-03-29 | 2019-06-04 | 四川大学 | Simulate the two-way sliding physical model case and Cross-fault leveling tunnel mechanics performance testing method in Cross-fault leveling tunnel |
| CN109900564A (en) * | 2019-03-25 | 2019-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Inter-laminar dislocation band of growing up friction angle measuring method |
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Application publication date: 20181211 |