CN206095660U - Indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure - Google Patents
Indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure Download PDFInfo
- Publication number
- CN206095660U CN206095660U CN201621069308.2U CN201621069308U CN206095660U CN 206095660 U CN206095660 U CN 206095660U CN 201621069308 U CN201621069308 U CN 201621069308U CN 206095660 U CN206095660 U CN 206095660U
- Authority
- CN
- China
- Prior art keywords
- casing
- tunnel structure
- tunnel
- force
- reduced scale
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure, including quiet dynamic loading subsystem, observational record subsystem, flange assembly and flexible border subassembly. The utility model discloses can be according to the buried depth in tunnel, the bias voltage state, different forms's mechanics boundary condition is applyed to country rock grade and rich water condition. Connect static loading system and shaking table respectively through quiet dynamic loading subsystem, can be convenient exert static load and earthquake load to can carry out different load case's simulation according to actual conditions adjustment parameters. This test device has solved current test device can't consider buried depth of tunnel comprehensively, the difficult problem of tunnel structure stress under the multifactor coupling such as bias voltage and country rock grade, through linking the shaking table, initiative solution applying of earthquake load. And the device does not confine the simulation in wall scroll tunnel to, also be applicable to the alternately simulation in tunnel, possess the multiple different work condition's of simulation ability.
Description
Technical field
This utility model is related to a kind of tunnel structure laboratory test technical field, more particularly to a kind of multi-functional reduced scale tunnel
Structural Static dynamic response characteristics laboratory test system.
Background technology
Recently as the continuous expansion of China's city size, urban population drastically expands, and is the friendship for alleviating urban congestion
Logical, all parts of the country have all started subway construction upsurge.It is relatively weak yet with China's subway construction experience, building on a large scale
If under tide, problems and hidden danger are also highlighted.For example built by earth's surface, the system of underground utilities and society and politics factor
The engineering of about various nearly rank constructions is continued to bring out；Under the pressure of the demand of transportation function, part subway line must also pass through earthquake and break
Layer, and up to the present China not yet form a set of more perfect underground structure earthquake resistant code.For above-mentioned conspicuous contradiction, mesh
Depending on numerical computations front solution route more, but business numerical software during modeling to each arbitrary boundary conditions, contact is closed
System and material parameter determine often has carried out simplified process, the result of calculation to the engineering of Special complex, usually lacks checking
Its result of calculation is caused to lack persuasion.With the construction and the progress of apparatus processing technique of state key test chamber, tunnel
Structure indoor model test is continuous in the high-quality achievement for solving Tunnel Engineering sciences problems as another kind of important research means
Increase.For on-the-spot test, indoor model test has low cost, safe, the advantages of controllability is strong；Compared to
Numerical analysis, the reaction engineering practical situation that doors structure test more can be strictly according to the facts.
For tunnel structure, Chinese scholars have developed a series of assay device.Such as Chinese utility model publication number
A kind of loading equipemtn of tunnel lining structure Mechanical Characters of Composite Ground simulation test device disclosed in CN104748993A, in addition surrounding baffle carry
For reaction of bearing, by the hydraulic jack for being distributed in liner structure periphery, spring, pad charging assembly apply to liner structure
Load, carries out the Study on behavior of tunnel structure.It is a kind of upper and lower disclosed in Chinese utility model publication number CN103996348A
Existing double track tunnel structure is placed in mould by the indoor model test device that overlapping shield tunnel construction is affected on existing operation tunnel
In the middle part of molding box, newly-built orthogonal tunnel structure is arranged up and down, upper and lower newly built tunnels body structure surface arrangement latex film forms closing chamber, leads to
Cross and chamber liquid is poured into into latex film, upper and lower newly built tunnels are simulated with ground loss ratio as Con trolling index and is excavated.By displacement meter
And the stressing conditions of foil gauge observation ground loss ratio and existing tunnel.Above-mentioned assay device is for concrete special project situation
With certain suitability, but there is also following problems.
Utility model publication number CN104748993A directly carries out loading using jack pair tunnel-liner and can not consider
The carrying effect of surrounding rock structure itself；Can not be good as local area load using the load applied as force transferring structure by pad
Simulation pressure from surrounding rock, and easily cause stress concentration；The jack loading equipemtn for being adopted does not have corresponding digital display equipment, difficult
The size of the power applied with quantitative measurement.
Utility model publication number CN103996348A directly intends tunnel structure with aluminum alloy hollow pipe die and can not react shield
Tunneling structure structure geometrical property and material behavior；Can not be difficult according to the resistance to shear of soil in the actual correspondingly adjusting tank body of engineering
With analog bias and it is buried in the case of Soil mass state；Corresponding measure is not taken simultaneously, is reduced by steel casing rigidity
The impact of the boundary effect caused by larger.
In addition above-mentioned laboratory testing rig can only apply static load, it is impossible to reflect that dynamic load is particularly earthquake load
To the impact caused by tunnel structure.
On the whole, under the conditions of tunnel structure test device existing both at home and abroad at present can not simulate different buried depth well
Interacting state of the tunnel structure with country rock, while can not consider seismic loading to the shadow caused by tunnel structure
Ring.Therefore, develop it is a kind of it is new can more accurate simulation tunnel with surrounding rock structure interacting state, while can consider ground
The laboratory testing rig of shake load action effect has been urgent need.
Utility model content
For the deficiency of existing experimental technique, technical problem underlying to be solved in the utility model is to provide one kind can be with
Different buried depth is simulated more accurately, interacting state of the tunnel structure with country rock under different bias states can load earthquake lotus
Carry, it is possible to conveniently set up and adjust the pilot system of boundary parameter as needed.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is,
A kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, including casing and static loading system
System, described static loading system include at least one pair of counter-force bar, counter-force rockbolt, reaction beam, jack, force transmitting board and bottom spiral shell
Bolt, is respectively disposed with least one counter-force rockbolt on the inwall of the opposite sides of described casing, described counter-force bar is by anti-
Power rockbolt is fixed on inwall and extend out to outside casing top, and the two ends of described reaction beam are separately fixed at a pair of counter-force bars
On, the filling soil body in casing, described jack end thereof contacts reaction beam, another end in contact are arranged at the power transmission at the top of the soil body
Plate.
Described a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, also loads including power
System, described power loading system include base plate, base plate screw, vibration table and bed bolt, and described base plate is fixed on case
Body bottom, is provided with multiple base plate screws on base plate, described bed bolt screws in base plate screw and base plate is fixed on vibration table
On.
Described a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, also including observational record
System, described observational record system include at least one observation panel, camera head, at least one wire hole and induction installation,
Described observation panel is arranged on the side wall of casing and is fixed with transparent observing plate, and described camera head is arranged at outside casing simultaneously
The soil body in casing and tunnel structure situation are shot by observation panel, described wire hole is arranged on the side wall of casing,
Described induction installation is arranged in casing in the soil body and tunnel structure inside and outside wall, and holding wire is derived to casing by wire hole
Outward.
Described a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, also including flange group
Part, described flange assembly include flange ring and the blank flange for being provided with flange hole, and described blank flange loads soil in casing
It is fixed to before body on flange ring to form the casing of closing, and pulls down when the soil body is unloaded.
Described a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, also including flexible boundary
Component, described flexible boundary component include four side walls being arranged in casing and the flexible mat board on bottom.
Described a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, also strengthens including casing
System, described casing strengthening system include horizontal reinforcement member, vertical reinforcement and wall angle reinforcement, and described level is strengthened
Part and vertical reinforcement are steel structure girder, and arrange and orthogonal around cabinet exterior respectively, and described wall angle is strengthened
Part is steel plate, and is vertically arranged at box inside corner.
A kind of multi-functional reduced scale tunnel structure force model response characteristic Experimental Method in Laboratory, using said system, to wall scroll
Reduced scale tunnel model is tested, and is comprised the following steps：
Step one, installs casing and corresponding casing strengthening system, flexible boundary component；
Step 2, first lays one layer of rubble fixed at model casing bottom, country rock is then filled into case and is pressed repeatedly
It is real, until the first predetermined thickness, carries out levelling rear installation tunnel scaled model and positions to country rock, then install sensor, go forward side by side
One step is filled country rock and is compacted repeatedly, until tunnel scaled model thickness of earth covering reaches the second preset thickness, finally country rock is entered
Row is levelling；
Step 3, installs static loading system and power loading system additional, installs camera head；
Step 4, is started power loading system, and process of the test is recorded by observational record system.
Described method, the particle diameter of described rubble is 5 to 10 centimeters, and the first predetermined thickness is 50-300 centimetres, second
Preset thickness is 20-120 centimetres.
A kind of multi-functional reduced scale tunnel structure force model response characteristic Experimental Method in Laboratory, using said system, to intersecting
Reduced scale tunnel model is tested, and is comprised the following steps：
Step 1, installs casing and corresponding casing strengthening system, flexible boundary component；
Step 2, first lays one layer of rubble fixed at model casing bottom, country rock is then filled into case and is pressed repeatedly
It is real, until the 3rd predetermined thickness, carries out levelling rear installation Under-cross tunnel scaled model and positions to country rock, then install sensor,
And further fill country rock and be compacted repeatedly, until Under-cross tunnel scaled model thickness of earth covering reaches the 4th preset thickness, then it is right
Country rock carry out it is levelling after, install across tunnel scaled model and position, then install sensor, and further fill country rock and repeatedly
Compacting, up on, across tunnel scaled model thickness of earth covering reaches the 5th preset thickness, finally country rock is carried out levelling；
Step 3, installs static loading system and power loading system additional, installs camera head；
Step 4, is started power loading system, and process of the test is recorded by observational record system.
Described method, the particle diameter of described rubble is 5 to 10 centimeters, and the 3rd predetermined thickness is 10-100 centimetres, the 4th
Preset thickness is 10-100 centimetres, and the 5th predetermined thickness is 15-120 centimetres.
Of the present utility model to have technical effect that, static loading system can easily according to engineering practice, by adjusting
The quantitative accurate simulation different buried depth of the aobvious jack of joint number, the crustal stress under different bias states.By connecting vibration table, can be square
Just loading earthquake load.The result error that boundary effect causes is greatly reduced by arranging flexible boundary.Can not only simulate
The force model response characteristic in wall scroll tunnel, can be with the force model response characteristic in analog crossover tunnel.In sum, this practicality is new
Type provides a kind of pilot system that can apply various tunnel structure mechanic boundary conditions, and can according to practical situation and
Needs are conveniently set up and are adjusted to each component so that spend less economic cost study under various boundary
The force model response pattern of wall scroll tunnel structure and cross tunnel structure.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is this utility model assay device structural representation；
Fig. 2 is this utility model assay device schematic top plan view；
Fig. 3 is this utility model assay device side schematic view；
Fig. 4 is this utility model assay device another side schematic diagram；
Fig. 5 is this utility model assay device internal structure schematic diagram；
Wherein, 1 is reaction beam, and 2 is digital display jack, and 3 is counter-force bar, and 4 is force transmitting board, and 5 is reinforcement, and 6 is wire hole,
7 is flange ring, and 8 is blank flange, and 9 is flexible boundary component, and 10 is wall angle reinforcement, and 11 is transparent observing plate, and 12 is spiral shell
Bolt, 13 is base plate, and 14 is counter-force rockbolt.
Specific embodiment
Referring to Fig. 1-5, the present embodiment loads subsystem, observational record subsystem, flange assembly and flexible edge by force model
Boundary's component is constituted.Force model loading system includes steel casing, counter-force bar, counter-force rockbolt, reaction beam, digital display jack, force transmitting board
And steel bottom bolt；Observational record subsystem, including armorplate glass, wire hole, infrared video camera equipment.
Steel cabinet exterior is using steel structure girder as reinforcement, and arranges and orthogonal, inwall around cabinet exterior respectively
Angle reinforcement is steel plate, and is vertically arranged at box inside corner.In the reserved round rectangle observation band of rear side and left side, fillet sets
Meter position prepared screw-bolt hole hole, to coordinate observational record subsystem.Front side is respectively disposed with wire hole with right side design attitude, is survey
Amount component data line provides passage；Front side design attitude lays flange ring, used as the native passage of unearthed and dress.Left and right two in casing
Side design attitude lays counter-force rockbolt, is the ingredient of static loading system.It is corresponding that box bottom is provided with same vibration table
Bolt hole, is the ingredient of power loading system.
The static loading system includes counter-force bar, counter-force rockbolt, reaction beam, digital display jack, force transmitting board and nut.Steel
In casing, 4 counter-force rockbolts are arranged in left and right sides relevant position, and vertically each two counter-force rockbolt fixes a counter-force
Bar, by reaction beam connection left and right correspondence counter-force bar.Digital display jack is located between reaction beam and force transmitting board, and force transmitting board is covered in
Soil body surface, can simulate different buried depth, different bias states by adjusting digital display jack pair soil body pressure applied value
Under crustal stress states.
The power loading system, including steel box bottom, vibration table and connecting bolt.Multiple base plate spiral shells are provided with base plate
Hole, described bed bolt screw in base plate screw and base plate are fixed on vibration table.To vibration table input-to-state stabilization frequency with mould
Intend earthquake load.
The observational record subsystem, including armorplate glass, wire hole, infrared video camera equipment.Infrared video camera leads to
Cross round rectangle observation band and armorplate glass observational record casing in the soil body and tunnel structure macroscopic deformation state, foil gauge and
The measurement original paper data wire such as accelerometer is stretched out from line outlet, records tunnel structure and resistance to shear of soil strain regime.
The round rectangle observation band is attached with armorplate glass bolt and flexible gasket.
Described flange assembly includes flange ring and the blank flange for being provided with flange hole, flange assembly as unearthed passage,
Unloaded when unearthed into closed boundary with bolt and hanger in place tritonope plate shape before dress soil.
The flexible boundary component is made up of surrounding on the inside of model and five pieces of bottom flexible mat board, apply static load with
And during earthquake load, flexible mat board can reduce due to the excessive boundary effect for causing of steel plate rigidity.
When implementing, the mould according to Chinese utility model Authorization Notice No. CN205112065U first completes tunnel
The making of road reduced scale structural model, and according to tunnel stress and deformation behaviour, along tunnel model ring respectively vault, haunch,
The sensors such as four point layout foil gauges of foundation and inverted arch, accelerometer.According to enclosing for the theoretical configuration respective strengths of the likelihood ratio
Rock.
For the indoor model test operating procedure in wall scroll tunnel it is：One layer of particle diameter is laid first for 5 to 10 at model casing bottom
The rubble of centimetre, and stickup fixation is carried out with epoxy resin.Continue country rock is filled into model casing and carried out instead with 25kg ferrum pier
It is multiple to be compacted, until thickness reaches 100 centimeters.Levelling, segmental hoisting tunnel scaled model is carried out using air-bubble object staff to country rock
And position, tunnel scaled model is carried out being spliced to form entirety using engineering seccotine.Sensor data cable is arranged, by outlet
Model casing is stretched out in hole 6, and connection data collecting system carries out test record.Further fill country rock and be compacted repeatedly, until tunnel
Road thickness of earth covering reaches 40 centimeters.Levelling, convenient applying static load is carried out using air-bubble object staff to country rock.
For the indoor model test operating procedure of cross tunnel it is：One layer of particle diameter is laid first for 5 to 10 at model casing bottom
The rubble of centimetre, and stickup fixation is carried out with epoxy resin.Continue country rock is filled into model casing and carried out instead with 25kg ferrum pier
It is multiple to be compacted, until thickness reaches 30 centimeters.Levelling, segmental hoisting Under-cross tunnel reduced scale mould is carried out using air-bubble object staff to country rock
Type is simultaneously positioned, and tunnel scaled model is carried out being spliced to form entirety using engineering seccotine.Sensor data cable is arranged, by going out
String holes 6 stretches out model casing, and connection data collecting system carries out test record.Further fill country rock and be compacted repeatedly, until
Up to 30 centimeters, continuation is carried out levelling Under-cross tunnel thickness of earth covering using air-bubble object staff to country rock.Across tunnel contracting on segmental hoisting
Chi model is simultaneously positioned, and tunnel scaled model is carried out being spliced to form entirety using engineering seccotine.Sensor data cable is arranged, is led to
Cross wire hole 6 and stretch out model casing, connection data collecting system carries out test record.Further fill country rock and be compacted repeatedly,
Until tunnel thickness of earth covering reaches 40 centimeters.Levelling, convenient applying static load is carried out using air-bubble object staff to country rock.
Force transmitting board 4 is laid on country rock surface, hacking process is carried out to force transmitting board upper and lower surface, with increasing friction force, is prevented
There is dislocation to slide during loading.Force transmitting board upper surface lays digital display jack 3,3 top of digital display jack be by counter-force bar 1 and
The reaction beam 2 that nut is fixed.Digital display jack 3 carries out the applying of static load by the drag provided by reaction beam 2 to country rock,
Different buried depths and bias state are simulated by the size for adjusting relevant pressure.
Infrared video camera is set up at observation band, through armorplate glass 11, observational record tunnel structure and soil deformation
State.By model lifting to vibration table, model is connected with vibration table by connecting bolt 12 and base plate 13.By to vibration table
The seismic wave of input characteristic frequency, applies earthquake load to model.
Claims (6)
1. a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system, it is characterised in that including casing and
Static loading system, described static loading system include at least one pair of counter-force bar, counter-force rockbolt, reaction beam, jack, power transmission
Plate and bottom bolt, are respectively disposed with least one counter-force rockbolt on the inwall of the opposite sides of described casing, and described is anti-
Power bar is fixed on inwall by counter-force rockbolt and is extend out to outside casing top, and the two ends of described reaction beam are separately fixed at one
To, on counter-force bar, the soil body being filled in casing, described jack end thereof contacts reaction beam, another end in contact are arranged at the top of the soil body
Force transmitting board.
2. a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system according to claim 1, its
It is characterised by, also including power loading system, described power loading system includes base plate, base plate screw, vibration table and base plate
Bolt, described base plate are fixed on box bottom, and multiple base plate screws are provided with base plate, and described bed bolt screws in base plate spiral shell
Hole is simultaneously fixed on base plate on vibration table.
3. a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system according to claim 1, its
It is characterised by, also including observational record system, described observational record system includes at least one observation panel, camera head, extremely
A few wire hole and induction installation, described observation panel is arranged on the side wall of casing and is fixed with transparent observing plate, described
Camera head be arranged at that casing is outer and the soil body in casing and tunnel structure situation are shot by observation panel, described goes out
String holes is arranged on the side wall of casing, and described induction installation is arranged in casing in the soil body and tunnel structure inside and outside wall, and is believed
Number line is derived to outside casing by wire hole.
4. a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system according to claim 1, its
It is characterised by, also including flange assembly, described flange assembly includes flange ring and the blank flange for being provided with flange hole, described
Blank flange was fixed on flange ring to form the casing of closing before casing loads the soil body, and was pulled down when the soil body is unloaded.
5. a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system according to claim 1, its
Be characterised by, also including flexible boundary component, described flexible boundary component include four side walls being arranged in casing and
Flexible mat board on bottom.
6. a kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system according to claim 1, its
It is characterised by, also including casing strengthening system, described casing strengthening system includes horizontal reinforcement member, vertical reinforcement and inwall
Angle reinforcement, described horizontal reinforcement member and vertical reinforcement are steel structure girder, and arrange around cabinet exterior respectively and mutual
Perpendicular, described wall angle reinforcement is steel plate, and is vertically arranged at box inside corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069308.2U CN206095660U (en) | 2016-09-21 | 2016-09-21 | Indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069308.2U CN206095660U (en) | 2016-09-21 | 2016-09-21 | Indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095660U true CN206095660U (en) | 2017-04-12 |
Family
ID=58480447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069308.2U Active CN206095660U (en) | 2016-09-21 | 2016-09-21 | Indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226112A (en) * | 2016-09-21 | 2016-12-14 | 中南大学 | A kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system and method |
| CN107702875A (en) * | 2017-11-10 | 2018-02-16 | 福州大学 | Water sea bed seabed tunnel dynamic response test method and vibration platform apparatus |
| CN107907286A (en) * | 2018-01-19 | 2018-04-13 | 四川农业大学 | A kind of new unsymmetrial loading tunnel Research on Shaking Table for Simulating system |
| CN112129480A (en) * | 2020-09-21 | 2020-12-25 | 中铁第五勘察设计院集团有限公司 | Roadbed vibration simulation device and method |
-
2016
- 2016-09-21 CN CN201621069308.2U patent/CN206095660U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226112A (en) * | 2016-09-21 | 2016-12-14 | 中南大学 | A kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system and method |
| CN107702875A (en) * | 2017-11-10 | 2018-02-16 | 福州大学 | Water sea bed seabed tunnel dynamic response test method and vibration platform apparatus |
| CN107907286A (en) * | 2018-01-19 | 2018-04-13 | 四川农业大学 | A kind of new unsymmetrial loading tunnel Research on Shaking Table for Simulating system |
| CN112129480A (en) * | 2020-09-21 | 2020-12-25 | 中铁第五勘察设计院集团有限公司 | Roadbed vibration simulation device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106226112A (en) | A kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system and method | |
| Chen et al. | Shaking table test of a multi-story subway station under pulse-like ground motions | |
| Li et al. | Large scale three-dimensional seepage analysis model test and numerical simulation research on undersea tunnel | |
| Chen et al. | Seismic response of irregular underground structures under adverse soil conditions using shaking table tests | |
| CN206095660U (en) | Indoor testing system of quiet dynamic response characteristic of multi -functional reduced scale tunnel structure | |
| CN104833537B (en) | A kind of similar model test device of simulation tunnel construction | |
| CN103983742B (en) | Coal seam overlying strata are disrumpent feelings coal and rock gas migration and extraction experimental system | |
| CN107179396A (en) | Multifunctional built-up formula Geotechnical Engineering physics similar test system | |
| CN108872530A (en) | A kind of full-scale model test device for simulating asymmetric small-clear-distance tunnel digging process | |
| Al Heib et al. | On the use of 1g physical models for ground movements and soil-structure interaction problems | |
| CN108732024A (en) | Simulate the pilot system and test method of differently stress condition lower plate gushing water | |
| CN106644336B (en) | A kind of frame structure crosses over ground fissure experimental system and method | |
| CN110632275B (en) | Underground engineering disturbance similar model test bed and test method | |
| CN107192810A (en) | The three-dimensional multi-functional experiment porch and test method of pattern that mining overburden is disrumpent feelings and motion feature | |
| CN211602719U (en) | Stope mine pressure three-dimensional physical simulation test platform of multi-functional top bottom plate gushing water | |
| CN107024574A (en) | A kind of soil arching effect simulation test device and test method | |
| CN103454103B (en) | Loading device for geotechnical engineering large-sized three-dimensional comprehensive simulation test bed | |
| CN103866736A (en) | Physical simulation testing system and method for influences of mine earthquake on coal mine underground reservoir | |
| CN109470576A (en) | For simulating the pilot system and test method of buried structure Water Inrush | |
| Li et al. | Dynamic behavior of polymer antiseepage wall for earth dam by centrifuge test | |
| Chen et al. | Geo-mechanical model testing for stability of underground gas storage in halite during the operational period | |
| CN111380760A (en) | Tunnel blasting excavation model test system and method | |
| CN109975117A (en) | Push pipe experimental box and experimental method | |
| Zhang et al. | Behaviour of a large-diameter shield tunnel through multi-layered strata | |
| CN219369431U (en) | Tunnel excavation simulation experiment model box and tunnel excavation simulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |