CN106504630A - Pass through the tunnel experiment system of karst strata - Google Patents
Pass through the tunnel experiment system of karst strata Download PDFInfo
- Publication number
- CN106504630A CN106504630A CN201610972727.5A CN201610972727A CN106504630A CN 106504630 A CN106504630 A CN 106504630A CN 201610972727 A CN201610972727 A CN 201610972727A CN 106504630 A CN106504630 A CN 106504630A
- Authority
- CN
- China
- Prior art keywords
- casing
- water
- support unit
- tunnel
- simulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000004088 simulation Methods 0.000 claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 239000008400 supply water Substances 0.000 claims abstract description 3
- 239000002689 soil Substances 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 10
- 238000012669 compression test Methods 0.000 claims description 9
- 239000010881 fly ash Substances 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 8
- 239000010721 machine oil Substances 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 6
- 238000005345 coagulation Methods 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
-
- 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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The invention discloses a kind of tunnel experiment system for passing through karst strata, including casing, simulation casing, support unit, molten chamber analog, force application apparatus and detection means, simulation casing is filled in casing, support unit annularly and is located in simulation casing, molten chamber analog includes water bag and hydraulic devices, water bag is located in casing and corresponding outside support unit, hydraulic devices supply water for water bag and adjust the hydraulic pressure in water bag, it is outer to casing applying pressure that force application apparatus are located at casing, detection means is on the outer wall of support unit with the displacement of measurement support unit and pressure.The tunnel experiment system for passing through karst strata of the present invention, simulates impact of the molten chamber to tunnel under sound hydraulic condition by molten chamber analog, and can realize recycling for water；The constraint of casing rear and front end can effectively eliminate model tunnel excavation boundary effect；Can be with the work progress of simulation tunnel excavation supporting, so as to the stress of real simulation tunnel.
Description
Technical field
The present invention relates to a kind of tunnel experiment system for passing through karst strata.
Background technology
With a large amount of constructions of highway and railway tunnel, tunnel inevitably passes through karst strata, China's topography and geomorphology
Complexity, the distribution of molten chamber is also extremely complex and is difficult to detect, and causes high risks to tunnel construction safely, if tunnel design with
Detect unclear in construction, it is improper to punish, and necessarily brings certain difficulty to construction when passing through molten chamber, increases construction risk and punishment
Cost.The presence in molten chamber not only causes Rock And Soil around loose and crushes, and also so that load-carrying capacity of surrounding rock reduces, causes tunnel uneven
Even sedimentation, causes deformation and the cracking of tunnel lining structure, meanwhile, the presence of water in molten chamber also causes great to the construction in tunnel
Potential safety hazard.Presently mainly tunnel is studied by the means of numerical experimentation and monitoring measurement wear stablizing for karst strata
Property, and studied by laboratory test less, therefore, further investigation pass through karst strata tunnel experiment system have very
Important meaning.
By finding to the retrieval of existing technical literature, in only tunnel excavation model test, for the mould in molten chamber
Intend directly using cavity simulation, impact of the hydrostatic pressure and flowing pressure that consideration water is not present to tunnel.
Content of the invention
In view of the shortcomings of the prior art, the technical problem to be solved in the present invention is to provide a kind of karst strata of passing through
Tunnel experiment system, the experimental system can simulate impact of the molten chamber to tunnel under different hydraulic conditions.
To achieve these goals, the present invention is by the following technical solutions realizing：A kind of karst strata of passing through
Tunnel experiment system, including casing, simulation casing, support unit, molten chamber analog, force application apparatus and detection means, institute
State simulation casing to be filled in casing, the support unit annularly and is located in simulation casing, the molten chamber simulation dress
Put including water bag and hydraulic devices, the water bag is located in casing and corresponding outside support unit, and the hydraulic devices are water bag
The hydraulic pressure in water bag is supplied water and adjusts, it is outer to casing applying pressure, the detection means installation that the force application apparatus are located at casing
With the displacement of measurement support unit and pressure on the outer wall of support unit.
Further, the hydraulic devices include water tank, water pump, water inlet pipe, return pipe, hydraulic pressure gauge and pressure regulator valve, described
Water tank is located at outside casing, and the water pump is delivered to the water in water tank in water bag by water inlet pipe, and the water in the water bag passes through
Return pipe is back to water tank, and the hydraulic pressure in the hydraulic pressure gauge measurement water bag, the pressure regulator valve are located on water inlet pipe to adjust water bag
Interior hydraulic pressure.
Further, the skeleton for supporting is provided with the water bag.
Further, the detection means includes differential displacement sensor and strain-type soil pressure cell, the strain-type
Soil pressure cell is circumferentially distributed on the outer ring of support unit, and the differential displacement sensor is corresponding with strain-type soil pressure cell,
And on strain-type soil pressure cell.
Further, the support unit include coagulation pedosphere and circumferential uniformly with coagulation pedosphere in muscles and bones.
Further, row constraint is entered by diagonal brace and concrete layer respectively in the casing rear and front end.
Further, the force application apparatus include that jack and reaction beam, the jack pair casing top apply pressure,
The reaction beam is located above jack to bear the counter-force of jack.
Further, the simulation casing is made up of fluvial sand, quartz sand, flyash and machine oil, by direct shear test, list
To the physical and mechanical parameter that compression test, triaxial compression test and density test obtain true country rock, according to the thing of true country rock
Reason mechanics parameter adjusts fluvial sand, quartz sand, flyash and machine oil proportioning.
Beneficial effects of the present invention：
1st, the of the invention tunnel experiment system for passing through karst strata, by molten chamber analog, the different hydraulic pressure bars of simulation
Impact of the molten chamber to tunnel under part；
2nd, the of the invention tunnel experiment system for passing through karst strata, the dynamic water hydraulic pressure of simulation, and the circulation of water can be realized
Utilize；
3rd, the of the invention tunnel experiment system for passing through karst strata, effectively can be disappeared by the constraint of casing rear and front end
Remove model tunnel excavation boundary effect；
4th, the of the invention tunnel experiment system for passing through karst strata, can with the work progress of simulation tunnel excavation supporting,
Stress so as to real simulation tunnel.
Description of the drawings
Fig. 1 is the schematic elevation view of the tunnel experiment system that the present invention passes through karst strata；
Fig. 2 is the schematic side view of the tunnel experiment system that the present invention passes through karst strata；
Fig. 3 is the molten chamber water bag structural representation of present invention simulation；
Fig. 4 is tunnel perimeter deflection meter of the present invention and soil pressure cell arrangement schematic diagram；
Reference：
1- casings, 2- simulation casing, 3- support units, the molten chamber analog of 4-, 5- force application apparatus, 6- detection means,
7- diagonal braces, 8- xoncrete structures；
401- water bags, 402- hydraulic devices, 403- skeletons, 411- water tanks, 412- water pumps, 413- water inlet pipes, 414- backwater
Pipe, 415- hydraulic pressure gauges, 416- pressure regulator valves, 501- jack, 502- reaction beams, 601- differential displacement sensors, 602- strain
Formula soil pressure cell.
Specific embodiment
For being easy to understand technological means, creation characteristic, reached purpose and effect of present invention realization, with reference to
Specific embodiment, is expanded on further the present invention.
As shown in figure 1, the tunnel experiment system for passing through karst strata of the present invention includes casing 1, simulation casing 2, props up
Shield component 3, molten chamber analog 4, force application apparatus 5 and detection means 6.The principle of this experimental system is：Simulation casing 2 is poured
To simulate real tunnel surrounding layer in casing 1, support unit 3 is used as supporting member during true tunnel excavation, supporting structure
Download on casing 1 to apply pressure to simulating casing in tunnel to be dug outside simulation casing 3 in part 3, the effect of force application apparatus 5
Power, the pressure are used for the deadweight for simulating true casing, and detection means 6 is then used for detecting that the displacement of support unit 3 and stress become
Change, molten chamber of the molten chamber analog 4 in the true casing of simulation in simulation casing 3.By arranging molten chamber analog 4,
Impact of the hydrostatic pressure and flowing pressure in the case of molten chamber is present to Tunnel Displacement and stress can be simulated.
Casing 1 be multigroup channel-section steel composition horse structure, 1 overall dimensions of casing be 5.5m (horizontal) × 1m (longitudinal direction) ×
3.5m (height), 1 rear and front end of casing enter row constraint by diagonal brace 7 and xoncrete structure 8 respectively, it is ensured that whole model is in plane
Strain regime, 1 inner surface of casing stick the thick politef plates of one layer of 1mm to reduce model boundary friction effect.
Simulation casing 2 is filled in casing 1, for simulating the casing outside true tunnel, simulation casing by fluvial sand,
Quartz sand, flyash and machine oil are made after allocating by a certain percentage.Quartz sand be mainly used in adjust simulation casing 2 intensity and
Elastic modelling quantity, flyash are used for supplementing fine grained, flyash and machine oil with the use of the cohesiveness of adjustable simulated casing 2 and
Internal friction angle.The cohesion that true country rock is obtained by direct shear test, Axial compression tests, triaxial compression test and density test
The physical and mechanical parameters such as power, angle of friction, unit weight, elastic modelling quantity, Poisson's ratio, specifically：
Direct shear test is referred to：The cohesion c that true casing is determined by unconsolidated undrained test.
Axial compression tests are referred to：The compression modulus Es that true casing is measured by indoor Axial compression tests instrument, enter
And the elastic modulus E for obtaining simulating casing.
Triaxial compression test is referred to：The static lateral pressure coefficient K that true casing is determined by triaxial apparatus0, then basis
Poisson's ratio μ and static lateral pressure coefficient K0Relation：
Calculate Poisson's ratio μ；The mohr circle of stress that true casing under different confined pressures is made by triaxial test, obtains mould
Intend the angle of friction φ of casing.
Density test is referred to：Wet density ρ that each soil layer is measured by core cutter method isodensity test method, and calculate corresponding
Natural density γ.
Fluvial sand, quartz sand, flyash and machine oil proportioning are adjusted according to the above-mentioned physical and mechanical parameter of true casing, from
And make the physics parameter of simulation casing identical with true casing.In the present embodiment, each component ratio of casing 2 is simulated
For：Fluvial sand：Quartz sand：Flyash：Machine oil=1:1:0.75:0.2.
Support unit 3 is annular in shape and is located in simulation casing 2, support unit 3 in tunnel excavation from support action, prop up
Shield component 3 include coagulation pedosphere and circumferential uniformly with coagulation pedosphere in muscles and bones.The axial direction of support unit 3 and the longitudinal direction of casing 1
Parallel, the rear and front end of support unit 3 is alignd with the rear and front end of simulation casing 2, and the front end of support unit 3 is posted transparent
PVC plastic thin film.Casing within support unit 3 is just dug up after the country rock layer segment within support unit 3 for treating digging part
Define tunnel.
Molten chamber analog 4 includes that water bag 401 and hydraulic devices 402, water bag 401 are located in casing 1 and corresponding in supporting
Outside component 3, in order to imitate molten chamber, hydraulic devices 402 supply water for water bag 401 and adjust hydraulic pressure and stream in water bag 401 water bag 401
Speed, such that it is able to simulate impact of the change of molten intracavity hydraulic pressure and current to tunnel.Hydraulic devices 402 include water tank 411, water pump
412nd, water inlet pipe 413, return pipe 414, hydraulic pressure gauge 415 and pressure regulator valve 416, water tank 411 be located at casing 1 outside, water pump 412 pass through into
Water pipe 413 is delivered to the water in water tank 411 in water bag 401, and the water in water bag 401 is back to water tank 411 by return pipe 414
So as to form water circulation, hydraulic pressure gauge 415 is used for measuring the hydraulic pressure in water bag 401, and pressure regulator valve 416 is located on water inlet pipe 413 to adjust
Hydraulic pressure in water-saving bag 401.By molten chamber analog, impact of the molten chamber to tunnel under the different hydraulic conditions of simulation.In order to more
Plus impact of the molten chamber to tunnel is really simulated, water bag 401 outwards can seep water.
In order to strengthen the intensity of water bag 401, it is provided with, in water bag 401, the skeleton 403 for supporting.
Detection means 6 is on the outer wall of support unit 3 with the displacement of measurement support unit 3 and pressure.Specifically include
Differential displacement sensor 601 and strain-type soil pressure cell 602, strain-type soil pressure cell 602 is circumferential to be distributed on support unit 3
On outer ring, differential displacement sensor 601 is corresponded with strain-type soil pressure cell 602, and is arranged on strain-type soil pressure cell
On 602, strain-type soil pressure cell 602 is in order to detecting the stress on the support unit 3 i.e. stress in tunnel, differential displacement sensor
601 in order to detecting the change in displacement of support unit 3.
Force application apparatus 5 are located at outside casing 1 and apply pressure to casing 1, and force application apparatus 5 include jack 501 and reaction beam
502, jack 501 at the top of casing 1 apply pressure, jack apply pressure in order to imitate the deadweight of true casing, instead
Power beam 502 is located above jack 501 to bear the counter-force of jack 501.In order to buffer the power output of jack 501, casing 1
Top be provided with sleeve pipe positioned at 501 position of jack, be provided with pressing plate and stage clip in described sleeve pipe, stage clip props up bulging upwards
Plate, the outfan of jack 501 are connected with pressing plate, and pressing plate is slidably matched with internal surface of sleeve pipe, when jack 501 is pressed downward pressing plate,
Stage clip enters row buffering to pressing plate, so as to prevent the shock loading of jack 501 from damaging casing 1.
The installation method of the experimental system of the present embodiment is：The tunnel location that drafts in casing 1 is placed and has been provided with inspection
The support unit 3 of device 6 is surveyed, transparent PVC plastic sheeting is installed in the front end of support unit 3, the molten chamber position that drafts in casing 1
The skeleton 403 of placement location water bag 401 and its inside, and water inlet pipe 413, return pipe 414 and hydraulic pressure gauge 415 are installed, from casing 1
Draw water inlet pipe 413 to be connected on water pump 412, return pipe 414 is connected in water tank 411, after said apparatus are installed, then
Simulation casing 2 is buried in casing.
The experimentation of the experimental system of the present embodiment is：(1) hydraulic pressure is loaded to water bag 401 by water pump 412；(2) lead to
The force application apparatus 5 that crosses on casing 1 are loaded to simulation casing 2 and tunnel structure；(3) detection means 6 carries out molten chamber presence
Primary stress and initial displacement data collection；(4) using the excavation of slotting instrument simulation tunnel：By in supporting construction 3
Simulation casing 2 is emptied, and forms tunnel；(5) carried out to simulation casing 2 and tunnel structure by the force application apparatus 5 on casing 1
Loading；(6) detection means 6 carries out tunnelling and the collection of stress and displacement data after tunnel molding.
The ultimate principle and principal character and advantages of the present invention of the present invention is had been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the spirit without departing substantially from the present invention or
In the case of basic feature, the present invention can be realized in other specific forms.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and be nonrestrictive, the scope of the present invention by claims rather than on state
Bright restriction, it is intended that all changes in the implication and scope of the equivalency of claim that will fall are included in the present invention
Interior.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Contain an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (8)
1. a kind of tunnel experiment system for passing through karst strata, it is characterised in that：Including casing, simulation casing, support unit,
Molten chamber analog, force application apparatus and detection means, the simulation casing are filled in casing, and the support unit is annular in shape
And be located in simulation casing, the molten chamber analog includes that water bag and hydraulic devices, the water bag are located in casing and right
Should be outside support unit, the hydraulic devices supply water for water bag and adjust the hydraulic pressure in water bag, and the force application apparatus are located at casing
Apply outward pressure to casing, the detection means is on the outer wall of support unit with the displacement of measurement support unit and pressure
Power.
2. the tunnel experiment system for passing through karst strata according to claim 1, it is characterised in that：The hydraulic devices bag
Water tank, water pump, water inlet pipe, return pipe, hydraulic pressure gauge and pressure regulator valve is included, the water tank is located at outside casing, and the water pump is by water inlet
Pipe is delivered to the water in water tank in water bag, and the water in the water bag is back to water tank by return pipe, the hydraulic pressure gauge measurement
Hydraulic pressure in water bag, the pressure regulator valve are located on water inlet pipe to adjust the hydraulic pressure in water bag.
3. the tunnel experiment system for passing through karst strata according to claim 2, it is characterised in that：In the water bag
It is provided with the skeleton for supporting.
4. the tunnel experiment system for passing through karst strata according to claim 1, it is characterised in that：The detection means bag
Differential displacement sensor and strain-type soil pressure cell is included, the strain-type soil pressure cell is circumferentially distributed on the outer ring of support unit
On, the differential displacement sensor is corresponding with strain-type soil pressure cell, and on strain-type soil pressure cell.
5. the tunnel experiment system for passing through karst strata according to claim 1, it is characterised in that：The support unit bag
Include coagulation pedosphere and circumferential uniformly with coagulation pedosphere in muscles and bones.
6. the tunnel experiment system for passing through karst strata according to claim 1, it is characterised in that：Two before and after the casing
Row constraint is entered by diagonal brace and concrete layer respectively in end.
7. the tunnel experiment system for passing through karst strata according to claim 1, it is characterised in that：The force application apparatus bag
Jack and reaction beam is included, the jack pair casing top applies pressure, and the reaction beam is located above jack to bear
The counter-force of jack.
8. the tunnel experiment system for passing through karst strata according to claim 1, it is characterised in that：The simulation casing
It is made up of fluvial sand, quartz sand, flyash and machine oil, is tried by direct shear test, Axial compression tests, triaxial compression test and density
The physical and mechanical parameter for obtaining true country rock is tested, fluvial sand, quartz sand, flyash are adjusted according to the physical and mechanical parameter of true country rock
With machine oil proportioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972727.5A CN106504630A (en) | 2016-10-28 | 2016-10-28 | Pass through the tunnel experiment system of karst strata |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972727.5A CN106504630A (en) | 2016-10-28 | 2016-10-28 | Pass through the tunnel experiment system of karst strata |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106504630A true CN106504630A (en) | 2017-03-15 |
Family
ID=58323217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610972727.5A Pending CN106504630A (en) | 2016-10-28 | 2016-10-28 | Pass through the tunnel experiment system of karst strata |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106504630A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111504791A (en) * | 2020-04-10 | 2020-08-07 | 河南理工大学 | Double-shaft loading test device and test method for karst tunnel |
| CN112730741A (en) * | 2020-12-18 | 2021-04-30 | 南通华兴石油仪器有限公司 | Simulation experiment system for rock fluid acting in reservoir |
| CN114544370A (en) * | 2022-02-24 | 2022-05-27 | 重庆交通大学 | Experimental device and experimental method for simulating axial pressure loading of tunnel coal and gas outburst |
| CN115839822A (en) * | 2023-02-27 | 2023-03-24 | 交通运输部公路科学研究所 | Test system and method for inducing mountain tunnel flooding and drainage process by heavy rainfall |
| CN114544370B (en) * | 2022-02-24 | 2024-05-07 | 重庆交通大学 | Experimental device and experimental method for simulating tunnel coal and gas outburst axial pressure loading |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215517A (en) * | 2014-09-30 | 2014-12-17 | 西南交通大学 | System and method for simulating pressure cavity in tunnel excavating model test |
| CN204371354U (en) * | 2014-12-14 | 2015-06-03 | 王琪 | The compound supporting and protection structure of a kind of Karst Tunnel |
| CN206421733U (en) * | 2016-10-28 | 2017-08-18 | 招商局重庆交通科研设计院有限公司 | Pass through the tunnel experiment system of karst strata |
-
2016
- 2016-10-28 CN CN201610972727.5A patent/CN106504630A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215517A (en) * | 2014-09-30 | 2014-12-17 | 西南交通大学 | System and method for simulating pressure cavity in tunnel excavating model test |
| CN204371354U (en) * | 2014-12-14 | 2015-06-03 | 王琪 | The compound supporting and protection structure of a kind of Karst Tunnel |
| CN206421733U (en) * | 2016-10-28 | 2017-08-18 | 招商局重庆交通科研设计院有限公司 | Pass through the tunnel experiment system of karst strata |
Non-Patent Citations (1)
| Title |
|---|
| 方勇: ""公路隧道下穿双层采空区开挖过程模型试验"", 《岩石力学与工程学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111504791A (en) * | 2020-04-10 | 2020-08-07 | 河南理工大学 | Double-shaft loading test device and test method for karst tunnel |
| CN112730741A (en) * | 2020-12-18 | 2021-04-30 | 南通华兴石油仪器有限公司 | Simulation experiment system for rock fluid acting in reservoir |
| CN114544370A (en) * | 2022-02-24 | 2022-05-27 | 重庆交通大学 | Experimental device and experimental method for simulating axial pressure loading of tunnel coal and gas outburst |
| CN114544370B (en) * | 2022-02-24 | 2024-05-07 | 重庆交通大学 | Experimental device and experimental method for simulating tunnel coal and gas outburst axial pressure loading |
| CN115839822A (en) * | 2023-02-27 | 2023-03-24 | 交通运输部公路科学研究所 | Test system and method for inducing mountain tunnel flooding and drainage process by heavy rainfall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | Centrifugal model tests on face failure of earth pressure balance shield induced by steady state seepage in saturated sandy silt ground | |
| Tang et al. | A novel approach for determining landslide pushing force based on landslide-pile interactions | |
| CN106053755B (en) | A kind of coal and gas power phenomenon three-dimensional physical simulation comprehensive experimental system | |
| CN105926686A (en) | Centrifugal model testing system and method studying common character of composite foundation and support structure | |
| CN108872530A (en) | A kind of full-scale model test device for simulating asymmetric small-clear-distance tunnel digging process | |
| CN107024574B (en) | A kind of soil arching effect simulation test device and test method | |
| CN106504630A (en) | Pass through the tunnel experiment system of karst strata | |
| Tian et al. | Similar simulation experiment of expressway tunnel in karst area | |
| CN110514806B (en) | Similar simulation test device and method | |
| CN110836961A (en) | Model test system and method for foundation pit construction stability research under influence of rainfall | |
| CN104792966B (en) | A kind of testing apparatus and method simulating subway shield tunnel construction initiation cavity, stratum | |
| CN106568606A (en) | Tunnel stress experiment method for goaf crossing simulation | |
| CN211602719U (en) | Stope mine pressure three-dimensional physical simulation test platform of multi-functional top bottom plate gushing water | |
| CN105527404A (en) | Test system and method for simulating ground loss extension in shield tunnel vertical section | |
| Li et al. | Experimental research on deformation failure process of roadway tunnel in fractured rock mass induced by mining excavation | |
| CN109975117A (en) | Push pipe experimental box and experimental method | |
| Zhang et al. | Model testing on failure mechanism of tunnel face in sandy cobble stratum | |
| CN104990659B (en) | A kind of swelled ground area slurry balance shield tunnel tunnel face expansive force experimental rig | |
| Fan et al. | Stability of the loess tunnel foundation reinforced by jet grouting piles and the influence of reinforcement parameters | |
| CN110441159A (en) | The simulation test device and method of borehole wall bearer properties under hydraulic coupling action | |
| Zhang et al. | Development and application of a three-dimensional geo-mechanical model test system under hydro-mechanical coupling | |
| CN206421733U (en) | Pass through the tunnel experiment system of karst strata | |
| CN205636834U (en) | Centrifugal model testing system of research composite foundation and common property of supporting construction | |
| Khan et al. | Stress distribution around the conduit buried within a soil slope–An experimental investigation | |
| Zhang et al. | Active failure characteristics and earth pressure distribution around deep buried shield tunnel in dry sand stratum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |