CN109724909A - Measure the experimental rig of tunnel-liner resistance of chloride ion penetration and crack progressing - Google Patents
Measure the experimental rig of tunnel-liner resistance of chloride ion penetration and crack progressing Download PDFInfo
- Publication number
- CN109724909A CN109724909A CN201811531408.6A CN201811531408A CN109724909A CN 109724909 A CN109724909 A CN 109724909A CN 201811531408 A CN201811531408 A CN 201811531408A CN 109724909 A CN109724909 A CN 109724909A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- liner
- crack
- chloride ion
- vibration
- 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
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of measurement tunnel-liner resistance of chloride ion penetration and the experimental rig of crack progressing, the cylinder bottom of model casing is steel plate, and four sides are tempered glass, and cylinder top is the tempered glass with circular hole, can be separated with cylinder body；Cylinder interior is equipped with shakeproof layer, cylinder bottom is separately set up defences on shakeproof layer shakes sponge, the tunnel-liner model level for having generated crack is placed in model casing bottom, lined internal transverse direction adhering resistance formula foil gauge, fixed waterproof vibration excitor outside lining cutting, foil gauge is drawn by cylinder tip circle hole by route and is connect with deformeter, and vibration excitor connects power amplifier, and signal amplifier connects computer loading system.The device can simulate liner structure under the influence of chloride ion and complicated space dynamic load couple environment well, influence of the pressure water to lining cutting bearer properties under resistance of chloride ion penetration situation of change, the state of development in the existing crack of lining cutting and new crack and circulation dynamic load；There is good reference value for the maintenance measure of the tunnel lining structure in use process.
Description
Technical field
The present invention relates to a kind of seabed tunnel liner structures in chloride ion and around oscillatory load coupling environment
Structural Damage Model experimental rig, and in particular to tunnel-liner resistance of chloride ion penetration is measured under a kind of curved arrangement oscillatory load
And the experimental rig of crack progressing.
Background technique
With the continuous development and utilization of underground engineering, people have been unsatisfactory for for sight being confined to the development of bridge,
Tunnel transports the convenient and efficient of this mode of transportation, becomes a side given priority to of many national communication engineerings in the world today
To.But tunnel detection constructional difficulties, safety analysis also become the most important thing in construction maintenance tunneling process.In recent years,
As many tunnel lining structures damage in chloride ion and complicated surrounding structure dynamic load coupling environment, people by
Step recognizes that tunnel lining structure resistance of chloride ion penetration and crack progressing change important under curved arrangement oscillatory load
Meaning.
It is anti-to be directed to the tunnel lining structure in chloride ion and around oscillatory load coupling environment by correlation scholar both at home and abroad
Chloride ion permeability and the research method of crack progressing variation are mainly theoretical analysis, Method for Numerical and field monitoring
Method.Theoretical analysis is simplified by assuming to research model, but to a certain extent cannot be accurate using elastic theory
Consider that tunnel-liner couples the complex relationship between environment with chloride ion and around oscillatory load, and computationally intensive；Number
Value analogy method is generally required by large commercial software, and numerical model is established complex and calculated time-consuming.Field monitoring
Method is one of the main means for obtaining tunnel lining structure resistance of chloride ion penetration and crack progressing variation, but by instrument
The limitation such as equipment and artificial observation factor, fieldtesting results have certain deviation, while field monitoring needs to put into centainly
The manpower and material resources of amount, the pre-buried testing element in scene are very easy to be destroyed in construction, to be delayed monitoring or even obtain mistake
Accidentally monitoring information.In addition, the existing few consideration chloride ions of remaining strength simulation system and a variety of curved arrangement oscillatory loads
Couple influence of the environment to remaining strength.Only consider damage of the single environment to lining cutting.Also few to consider a variety of curved
Under song arrangement vibration oscillatory load, influence of the body of groundwater to Lining Crack.
Summary of the invention
Present invention aims to overcome that above-mentioned the deficiencies in the prior art, propose to measure tunnel under a kind of curved arrangement oscillatory load
The experimental rig of road lining cutting resistance of chloride ion penetration and crack progressing is realized in chloride ion and complicated space dynamic load coupling ring
Under the influence of border, the simulation of liner structure degree of impairment accurately measures resistance of chloride ion penetration situation of change, the existing crack of lining cutting
Influence with pressure water under the state of development in new crack and circulation dynamic load to lining cutting bearer properties is simultaneously analyzed.
The present invention is to solve its technical problem and be using technical solution: a kind of measurement tunnel lining structure resisting chloride ion penetration infiltration
The experimental rig of permeability and crack progressing, including model casing, chloride environment, tunnel-liner model, space dynamic load simulation dress
Set, monitor for stress, the model casing cylinder bottom be rectangular steel plates, cylinder body be transparent rectangle tempered glass, cylinder top be with
More dismountable transparent toughened glass of circular hole；Sodium chloride solution is filled in the model casing, simulates space chloride environment, it is described
The tunnel-liner model for crack occurred is horizontally arranged in model casing solution, the monitor for stress uses multiple groups resistance-strain
Piece laterally pastes one group of resistance strain gage in lining cutting inner surface port and intermediate cross-section respectively, for measuring the strain of lining cutting, electricity
Resistance foil gauge is drawn by cylinder tip circle hole by route and is connect with deformeter；Resistance strain gage and route are respectively placed in waterproof cover and prevent
In water hose conjoined structure, the space dynamic load simulator uses waterproof vibration excitor, in tunnel-liner model outer surface
Two waterproof vibration excitors are installed in upside and two sides respectively, are fixed on the steelframe on cylinder tip circle hole and install a waterproof vibration excitor, prevent
Water vibration excitor is drawn by cylinder top by route and is connect with power amplifier, and power amplifier connects computer loading system, control
With adjusting vibration exciter oscillation intensity, thus simulate tunnel-liner under differently curved dynamic load intensity Anti-Chloride Ion Penetration become
Change, existing crack and new crack progressing and stress variation situation.
Further, the space dynamic load simulator is each on two third partial cross-sections of tunnel-liner model outer surface
A vibration excitor is installed, a vibration excitor generates the bending load of different frequency, can really simulate the vibration mould of underground space complexity
Influencing each other between the vibration that formula and different focus generate acts on the situation on liner structure, and passes through control meter
Calculation machine loading system accurately is simulated the complex space oscillatory load that tunnel-liner is subject in the actual environment.
Further, a vibration excitor is divided into six groups, every group of two vibration excitors, in test, by same group of vibration excitor
The exciting of different frequency, different directions is carried out, to generate combined effect, obtains lining by observing the data variation that foil gauge measures
Build the rule of strain variation.
Further, the vibration of the vibration excitor generates pressure water in sodium chloride solution, and analog is in the case where recycling dynamic load
Lower pressure water enters the influence in Lining Crack to tunnel-liner bearing capacity.
Further, three transverse strain pieces of the tunnel-liner model surface and its deformeter of connection composition stress prison
Survey model, can real-time monitoring curved arrangement exciting load and pressure water coincidence effect under liner structure stress variation, sentence
Disconnected Lining Crack development.
The beneficial effects of the present invention are:
The present invention compared with prior art, has the following obvious advantages:
1, this experiment test device can be hand-made, and popularity is good in related scientific research, and experimental test scheme has
Stronger scalability can be further applicable to chloride ion and complicated space dynamic load coupling environment pair under the conditions of different temperatures etc.
In the research of tunnel lining structure damage influence effect；
2, six waterproof vibration excitors that can be worked at the same time that this test is mounted on tunnel-liner outer surface can pass through control meter
Calculation machine loading system accurately is simulated the complex space oscillatory load that tunnel-liner is subject in the actual environment；
3, the vibration of this test vibration excitor can also generate pressure water in sodium chloride solution, and analog is in the case where recycling dynamic load
Lower pressure water enters the influence in Lining Crack to tunnel-liner bearing capacity；
4, three transverse strain pieces of tunnel-liner inner surface and its deformeter of connection in this test, can real-time monitoring exist
The exciting load and pressure water coincidence of curved arrangement act on the stress variation of lower liner structure, judge Lining Crack development；
5, tunnel-liner model is existing crack lining model, can more be bonded the tunnel in actual simulation actual use
Lining cutting；
6, the chloride-penetration resistance of this test sodium chloride solution analog tunnel-liner under differently curved dynamic load intensity
Performance change and groundwater environment；7, it is influenced using the space dynamic load coupling environment that this covering device carries out chloride ion and complexity
Under, liner structure degree of impairment model test can provide good consulting and build for seabed tunnel engineering construction and long-term maintenance
View, for formulating tunnel lining structure designing technique standard and later period under chloride ion and complicated space dynamic load coupling environment
Safety precautions in maintenance processes provides certain theoretical reference.
Detailed description of the invention
Fig. 1 is test device schematic diagram in the model casing of the present invention in embodiment；
Fig. 2 is the foil gauge and vibration excitor route distribution map of the present invention in embodiment；
Fig. 3 is the foil gauge measuring point value arrangement map of the present invention in embodiment；
Fig. 4 is the vibration excitor measuring point value arrangement map of the present invention in embodiment.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in further detail by a preferred embodiment.
As shown in Figures 1 to 4, the experimental rig of a kind of measurement tunnel-liner resistance of chloride ion penetration and crack progressing, packet
Include model casing, chloride environment, tunnel-liner model, space dynamic load simulator, monitor for stress.1 cylinder bottom of model casing
For rectangular steel plates, cylinder body is transparent rectangle tempered glass, and cylinder top is with the dismountable transparent toughened glass of more circular holes；Model
Sodium chloride solution 2 is filled in case 1, is simulated space chloride environment, is horizontally arranged the tunnel for crack occurred in 1 solution of model casing
Lining model 3.
Firstly, production one model casing, chloride environment (introducing sodium chloride solution in model casing), a tunnel-liner
Model, a set of space dynamic load simulator, monitor for stress.
As shown in Figure 1, model casing shape is in cuboid, interior space dimension be 1800mm × 1600mm × 700mm (it is long ×
It is wide × high), bottom is done by the steel plate 37 of thick 15mm, all around face is using the tempered glass 38 with a thickness of 20mm, bottom and steel plate
37 are connected, and top is size 1860mm × 1660mm × 20mm (length × width × height) detachable toughened glass plate 39, entire model
Case is integrated and inside is coated with flexible buffer layer and the shockproof sponge 40 in bottom fixed thickness for 50mm, is had and is subtracted
Shake and the effect for increasing friction, wherein top glass plate is detachably convenient for later stage to take out lining model detection crack progressing feelings
The penetration degree of condition and chloride ion, be uniformly distributed the circular hole of 6 × 6 diameter 6mm in top glass plate so as to be passed through water injection pipe and
Foil gauge, vibration excitor route and the steelframe 20 that vibration excitor is fixedly mounted.Tunnel-liner model 3 is inside diameter 500mm, length
The armored concrete semicylindrical body of 1000mm, is placed in model casing inside sodium chloride solution, parallel with model casing long side.Chlorination
Sodium solution is passed through plastic flexible pipe 42 by circular hole 41 and introduces, and one end of plastic flexible pipe 42 connects a funnel, convenient for pouring into solution.
On-test, first unloads model casing top cover, the foil gauge for being put into liner structure and posting, and then will fix sharp
The steelframe of vibration device is anchored on the circular hole 47~58 of model casing top cover, is covered caping 39, is poured into sodium chloride by plastic flexible pipe 42
1.44 liters of solution, then starts the power supply of foil gauge 4~18 and vibration excitor 21~32, make its work, our adjustable signals
Sending system 28 generates vibration excitor 21~32 on liner structure more to control vibration frequency and the direction of each vibration excitor
A different bending load coupling.
As shown in Fig. 2, the side side of the be depicted as liner structure of the figure, takes two ports and centre of liner structure respectively
Three foil gauges are respectively pasted in section on each section, form continuous foil gauge system, convenient for the strained situation of measurement structure, with
And the monitoring of fracture.As can be seen from the figure the installation site of foil gauge 5,6,8,9,11,12,14,15,17,18, foil gauge
Be in liner structure medial surface it is symmetrical, i.e. foil gauge 4,7,10,13,16 and foil gauge 6,9,12,15,18 is in same level
On face.The route of foil gauge 4~18 is drawn by waterproof cover and guard tube conjoined structure 43 through circular hole 44, with 36 phase of deformeter
Even, Information Collection System 34 is then reconnected.The installation site of waterproof vibration excitor is as shown in Figure 2,3, in the appearance of liner structure
6 vibration excitors are respectively installed on two third partial cross-sections in face, can accomplish that multiple vibration excitors generate the bending load of different frequency, more
Add influencing each other between the vibration mode of true simulation underground space complexity and the vibration of different focus generations, makees
With the situation on liner structure.The route 45 of waterproof vibration excitor by circular hole 46 as shown, drawn, elder generation and signal amplifier
43 are connected, then power amplifier 33 is connected with computer loading system 34.The loading system of vibration excitor, signal issue system
System 28, and the signal collection system as deformeter record data and are analyzed.
As shown in figure 3, being served as a contrast in figure for the location map of foil gauge and waterproof cover in the longitudinal section of tunnel-liner model 3
Build the primary fracture 35 of structure, for simulating under a variety of bending excitings, the state of development of primary fracture.
As shown in figure 4, vibration excitor 21~32 is in the specific installation site of liner structure outer surface and its trend of route 39.
By vibration excitor 21,22 be used as first group, vibration excitor 23,24 as second group, vibration excitor 25,26 as third group, vibration excitor 27,
28 the 4th group of conducts, vibration excitor 29,30 carry out exciting to liner structure as the 6th group as the 5th group, vibration excitor 31,32.?
The exciting that same group of vibration excitor can be carried out to different frequency, different directions of test, to generate combined effect, then passes through sight
Survey the rule that the data variation that foil gauge measures obtains structure reaction variation.
In the present embodiment, deformeter is for the strain measurement of lining cutting and the monitoring of Lining Crack.This test is to lining cutting
The specific width of structural cracks and the measurement of depth are mainly to take out liner structure New Instrument for Crack Width after passing through load and surpass
Sound instrument measures.For liner structure resistance of chloride ion penetration measurement mainly by by liner structure,；Come the concrete drilled through
Powder determines the concentration of Chloride Ion in Concrete.
It is listed below several situations simulated using model casing of the invention.
Simulation one: excited frequency and direction by connecting the signaling system adjusting vibration exciter of vibration excitor keep its right
Liner structure 3 generate bending exciting, analog liner structure be subject in the underground space around dynamic load generate bending load.
Observation is connected to the strained situation of liner structure in the computerized information collection system 34 of connection deformeter.By six during test
Group vibration excitor while persistently exciting, observe the situation of change of deformeter, pass through the continuous monitoring of multiple foil gauges, available tunnel
The case where road crack progressing, the development of primary fracture 35 can be obtained by the continuous monitoring of foil gauge 6.
Simulation two: the chloride environment that liner structure is in is simulated by the sodium chloride solution 2 in Fig. 1, by controlling six groups
The exciting of vibration excitor, analog liner structure are bent the chloride-penetration resistance situation under exciting in many places.First pass through change bending
The chloride permeability situation of liner structure under exciting of the frequency and excitation intensity of exciting to simulate varying strength and frequency.Lead to again
The liner structure in the sodium chloride solution of various concentration is crossed under the exciting of identical curved arrangement, the chloride ion of liner structure
Permeate situation.Bidirectional experimental obtains influence situation of the exciting of curved arrangement to liner structure resistance of chloride ion penetration.
Simulation three: by acting on first group of vibration excitor, carrying of the simulated groundwater body under exciting effect to liner structure
Power and crack progressing situation.First group of vibration excitor is acted on, the continuous strain value that foil gauge 4,5,6 measures then is observed, comes
Realize the development of primary fracture and new crack around observation vibration excitor.
Embodiments of the present invention are illustrated above, but the present invention is not limited solely to this, can also without departing from
It is suitably changed in the range of main points of the invention.
Embodiments of the present invention action and effect:
The above embodiment of the present invention passes through tunnel lining structure resistance of chloride ion penetration under curved arrangement oscillatory load and splits
The experimental rig for stitching development and change can obtain under the conditions of the exciting of multiple curved arrangements and chloride ion coupling environment, tunnel
The chloride permeability situation of liner structure and the development of liner structure primary fracture and new crack, to reach accurate survey
Measure the resistance of chloride ion penetration and crack progressing skill of tunnel lining structure caused by complicated space dynamic load and chloride environment
Art effect.
Claims (5)
1. the experimental rig of a kind of measurement tunnel-liner resistance of chloride ion penetration and crack progressing, including model casing, chloride ion ring
Border, tunnel-liner model, space dynamic load simulator, monitor for stress, are characterized in that: model casing (1) cylinder bottom is
Rectangular steel plates, cylinder body are transparent rectangle tempered glass, and cylinder top is with the dismountable transparent toughened glass of more circular holes；The mould
It is filled in molding box (1) sodium chloride solution (2), simulates space chloride environment, be horizontally arranged in model casing (1) solution
The tunnel-liner model (3) in existing crack, the monitor for stress use multiple groups resistance strain gage, in lining cutting inner surface port and
One group of resistance strain gage is laterally pasted in intermediate cross-section respectively, and for measuring the strain of lining cutting, resistance strain gage is by route by cylinder
It draws and is connect with deformeter in tip circle hole；Resistance strain gage and route are respectively placed in waterproof cover and waterproof hose conjoined structure (19)
Interior, the space dynamic load simulator uses waterproof vibration excitor, in the upside of tunnel-liner model (3) outer surface and two sides point
Not An Zhuan two waterproof vibration excitors, be fixed on the steelframe (20) on cylinder tip circle hole 12 waterproof vibration excitors of installation, waterproof exciting
Device is drawn by cylinder top by route and is connect with power amplifier (33), and power amplifier (33) connects computer loading system
(34), control and adjusting vibration exciter oscillation intensity, to simulate the resisting chloride ion penetration of tunnel-liner under differently curved dynamic load intensity
Permeance property variation, existing crack (35) and new crack progressing and stress variation situation.
2. tunnel-liner resistance of chloride ion penetration according to claim 1 and the experimental rig of crack progressing variation, special
Sign is: the space dynamic load simulator respectively installs 6 on two third partial cross-sections of tunnel-liner model (3) outer surface
A vibration excitor, 12 vibration excitors generate the bending load of different frequency, can really simulate the vibration mode of underground space complexity,
And influencing each other between the vibration of different focus generations, the situation on liner structure is acted on, and calculate by control
Machine loading system accurately is simulated the complex space oscillatory load that tunnel-liner is subject in the actual environment.
3. tunnel-liner resistance of chloride ion penetration according to claim 2 and the experimental rig of crack progressing variation, special
Sign is: 12 vibration excitors are divided into six groups, and every group of two vibration excitors carry out same group of vibration excitor not in test
The exciting of same frequency, different directions obtains structure reaction by observing the data variation that foil gauge measures to generate combined effect
The rule of variation.
4. the experimental rig of measurement tunnel-liner resistance of chloride ion penetration according to claim 1 and crack progressing, special
Sign is: the vibration of the vibration excitor generates pressure water, analog subsurface pressure water in the case where recycling dynamic load in sodium chloride solution
Into the influence in Lining Crack to tunnel-liner bearing capacity.
5. the experimental rig of measurement tunnel-liner resistance of chloride ion penetration according to claim 1 and crack progressing, special
Sign is: three transverse strain pieces on tunnel-liner model (3) surface and its deformeter of connection form stress monitoring mould
Type, can real-time monitoring curved arrangement exciting load and pressure water coincidence effect under liner structure stress variation, judge to serve as a contrast
Build crack progressing situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811531408.6A CN109724909A (en) | 2018-12-14 | 2018-12-14 | Measure the experimental rig of tunnel-liner resistance of chloride ion penetration and crack progressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811531408.6A CN109724909A (en) | 2018-12-14 | 2018-12-14 | Measure the experimental rig of tunnel-liner resistance of chloride ion penetration and crack progressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109724909A true CN109724909A (en) | 2019-05-07 |
Family
ID=66296082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811531408.6A Pending CN109724909A (en) | 2018-12-14 | 2018-12-14 | Measure the experimental rig of tunnel-liner resistance of chloride ion penetration and crack progressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109724909A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198091A (en) * | 2020-01-15 | 2020-05-26 | 石家庄铁道大学 | Simulation device for researching distribution rule of aerodynamic loads in different cracks of tunnel lining |
| CN111366066A (en) * | 2020-03-31 | 2020-07-03 | 中铁五局集团有限公司 | Strain monitoring method of variable-section adjustable lining trolley |
| CN112857967A (en) * | 2021-01-18 | 2021-05-28 | 西南交通大学 | Dynamic response test system of lining cutting structure and country rock under seepage flow effect |
| CN112945493A (en) * | 2021-01-29 | 2021-06-11 | 石家庄铁道大学 | Tunnel lining vibration response simulation test system |
| CN113984642A (en) * | 2021-10-22 | 2022-01-28 | 中铁隧道局集团有限公司 | Simulation test platform for shallow-buried submarine tunnel in chlorine salt erosion environment and construction method thereof |
| CN114858847A (en) * | 2022-04-16 | 2022-08-05 | 西南交通大学 | Test device and method for simulating frost heaving induced crack development process of lining structure |
| CN117054516A (en) * | 2023-07-11 | 2023-11-14 | 西南科技大学 | Experimental device and method for simulating real form of lining crack of high-speed railway tunnel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100821212B1 (en) * | 2007-04-02 | 2008-04-11 | 한국건설기술연구원 | Device for measuring permeability of tunnel lining concrete |
| CN106124145A (en) * | 2016-06-20 | 2016-11-16 | 上海理工大学 | The model test apparatus of many sliding surfaces landslide tunnel, location impact under oscillatory load |
-
2018
- 2018-12-14 CN CN201811531408.6A patent/CN109724909A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100821212B1 (en) * | 2007-04-02 | 2008-04-11 | 한국건설기술연구원 | Device for measuring permeability of tunnel lining concrete |
| CN106124145A (en) * | 2016-06-20 | 2016-11-16 | 上海理工大学 | The model test apparatus of many sliding surfaces landslide tunnel, location impact under oscillatory load |
Non-Patent Citations (3)
| Title |
|---|
| 刘四进 等: ""受荷状态下盾构隧道管片锈蚀劣化破坏过程研究"", 《土木工程学报》 * |
| 张俊儒 等: "《隧道工程》", 30 September 2013, 西南交通大学出版社 * |
| 李忠 等: ""氯离子侵蚀盾构隧道衬砌结构性能退化试验"", 《地下空间与工程学报》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198091A (en) * | 2020-01-15 | 2020-05-26 | 石家庄铁道大学 | Simulation device for researching distribution rule of aerodynamic loads in different cracks of tunnel lining |
| CN111198091B (en) * | 2020-01-15 | 2021-08-10 | 石家庄铁道大学 | Simulation device for researching distribution rule of aerodynamic loads in different cracks of tunnel lining |
| CN111366066A (en) * | 2020-03-31 | 2020-07-03 | 中铁五局集团有限公司 | Strain monitoring method of variable-section adjustable lining trolley |
| CN111366066B (en) * | 2020-03-31 | 2022-01-11 | 中铁五局集团有限公司 | Strain monitoring method of variable-section adjustable lining trolley |
| CN112857967A (en) * | 2021-01-18 | 2021-05-28 | 西南交通大学 | Dynamic response test system of lining cutting structure and country rock under seepage flow effect |
| CN112945493A (en) * | 2021-01-29 | 2021-06-11 | 石家庄铁道大学 | Tunnel lining vibration response simulation test system |
| CN113984642A (en) * | 2021-10-22 | 2022-01-28 | 中铁隧道局集团有限公司 | Simulation test platform for shallow-buried submarine tunnel in chlorine salt erosion environment and construction method thereof |
| CN114858847A (en) * | 2022-04-16 | 2022-08-05 | 西南交通大学 | Test device and method for simulating frost heaving induced crack development process of lining structure |
| CN114858847B (en) * | 2022-04-16 | 2023-08-08 | 西南交通大学 | Test device and method for simulating development process of frost heaving induced cracks of lining structure |
| CN117054516A (en) * | 2023-07-11 | 2023-11-14 | 西南科技大学 | Experimental device and method for simulating real form of lining crack of high-speed railway tunnel |
| CN117054516B (en) * | 2023-07-11 | 2024-05-31 | 西南科技大学 | Experimental device and method for simulating real form of lining crack of high-speed railway tunnel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109724909A (en) | Measure the experimental rig of tunnel-liner resistance of chloride ion penetration and crack progressing | |
| AU2013101531A4 (en) | Deep softrock geostress test method and device based on flow stress recovery principle | |
| CN103913145B (en) | A kind of crack openings double-deformation monitoring of structures and measuring method | |
| CN107894392B (en) | Research system and method for anchoring corrosion mechanism of anchored jointed rock mass under seawater corrosion | |
| CN111521362B (en) | Slope vibration table model test device and method considering degradation of hydro-fluctuation belt rock mass | |
| CN102426396B (en) | Testing apparatus for simulating deep-displacement-initiated strata deformation coordination mechanism | |
| CN105954499B (en) | Saturated yielding Loess Site carries out saturated yielding place evaluating method and device after fracture grouting reinforcing | |
| CN109709278B (en) | Testing device and method for simulating strength forming process of filling body in-situ environment | |
| CN209280028U (en) | Measure the experimental provision of the distribution of tunnel Water And Earth Pressures and tunnel deformation rule | |
| CN106124145A (en) | The model test apparatus of many sliding surfaces landslide tunnel, location impact under oscillatory load | |
| CN112435572A (en) | Test device and method for influence of underpass tunnel on existing tunnel under grouting reinforcement | |
| CN105067107A (en) | Blast vibration monitoring method for underground pipeline | |
| CN112485120A (en) | Visual energy storage fracturing physical simulation test device and test method thereof | |
| CN106290107A (en) | A kind of coarse intersection crack permeation flow tester and method | |
| CN207818052U (en) | A kind of teaching mode of tunnel-liner country rock interaction | |
| CN208091964U (en) | A kind of device that grouting material plumpness is detected using metal detection line | |
| CN110455678A (en) | A kind of packaged type bridges pier stud node Grouted density detection method | |
| CN207181400U (en) | A kind of underground water draws water the experimental provision of recharge | |
| CN210690580U (en) | Cement paste shrinkage characteristic test measuring device | |
| CN109238804A (en) | A kind of dilatancy layer during similar model test material and application method with conductive characteristic | |
| CN108225432A (en) | Refuse landfill cut-pff wall model measurement device and preparation method thereof | |
| CN208568471U (en) | Static lateral coefficient of earth pressure K0 in-situ testing device | |
| CN203037286U (en) | Surrounding rock deformation rupture evolution testing structure of underground powerhouse at high-field stress area | |
| CN105890991B (en) | Consider the soil pressure relaxation effect test method of Ground crack | |
| CN207689338U (en) | Bolted discontinuous rock anchors the research system of Corrosion mechanism under sea water intrusion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200628 Address after: 200093 Shanghai military road, Yangpu District, No. 516 Applicant after: University of Shanghai for Science and Technology Applicant after: CARS RAILWAY ENGINEERING Research Institute Address before: 200093 Shanghai military road, Yangpu District, No. 516 Applicant before: University of Shanghai for Science and Technology |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190507 |