CN108693327A - A kind of experiment test platform of simulation tomography down tube soil interaction - Google Patents
A kind of experiment test platform of simulation tomography down tube soil interaction Download PDFInfo
- Publication number
- CN108693327A CN108693327A CN201810322173.3A CN201810322173A CN108693327A CN 108693327 A CN108693327 A CN 108693327A CN 201810322173 A CN201810322173 A CN 201810322173A CN 108693327 A CN108693327 A CN 108693327A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- test case
- experiment
- hole
- dynamic
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 85
- 238000002474 experimental method Methods 0.000 title claims abstract description 43
- 239000002689 soil Substances 0.000 title claims abstract description 35
- 238000003325 tomography Methods 0.000 title claims abstract description 22
- 230000003993 interaction Effects 0.000 title claims abstract description 17
- 238000004088 simulation Methods 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 230000003068 static effect Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of experiment test platforms of simulation tomography down tube soil interaction, static test case, dynamic test case, positive tension system and data collecting system including accommodating experiment pipe fitting and the soil body, through hole is offered in the side of static test case and dynamic test case, experiment pipe fitting sequentially passes through the through hole of two chambers, positive tension system includes positive pulling force expansion bend and chest expander supporting rack, for applying to dynamic test case and testing pipe fitting pulling force;The aperture size for the through hole that static test case and dynamic test case two sides close to each other are opened up is larger, and the size and the matching size of experiment pipe fitting of the through hole that two sides of mutual distance farther out are opened up are closed;The data collecting system includes horizontal displacement measuring instrument, camera and axle power monitor.The application to buried pipeline tomography load, deformation and pipeclay interaction force of the simulation pipeline under ultimate load state may be implemented in the present invention.
Description
Technical field
The present invention relates to a kind of experiment test platforms of simulation tomography down tube soil interaction, and buried pipeline may be implemented and exist
The analysis of stress and variant when tomography situation, the harsh environment item that simulation buried pipeline is subject to during one's term of military service occurs
Part, ultimate bearing capacity when being run for buried pipeline are checked, while can be to the mistake of pipeline entirety under different fault forms
Effect mode is explored.
Background technology
Most quick, economical and effective means of transportation during pipeline is transported as oil gas, in commission structural stability and
Safe operation mode is gradually by the extensive concern of engineering circles.According to new round National Oil Gas Resources evaluation result in 2015,
China's Hydrocarbon Resources Potential will be mainly distributed on the Sichuan Basin, Eastern Yunnan Province And Guizhou Province, china basin and Junggar Basin etc..It is more and more novel
Long range buried pipeline will inevitably pass through the earthquake fault of western China.This area's active fault quantity is more, advises
Mould is big and mobility is stronger, once occur that pipeline will be caused immeasurable loss.
Buried pipeline is mainly acted on by seismic (seismal during one's term of military service, and earthquake generates it there are mainly two types of failure modes:
First, permanent ground displacement includes fault movement and landslide etc.;Second is that seismic wave effect.In contrast, permanently
Although face displacement coverage is smaller, larger relative displacement is generated after being ruptured due to earth formation, causes to pass through therein
Rupture occurs for pipeline or fracture, harmfulness are very big.Therefore, the experiment test platform of simulation tomography down tube soil interaction is built,
Tomography load can be applied to buried pipe fitting, simulate the stress and type when its deformation, while can be under different tomographies
The failure mode of pipeline entirety is explored.Buried pipeline is in a pre-installation, it is necessary to carry out pipeline material performance and local stability
Experiment, ensure pipe fitting installation during one's term of military service structure safety.It tests and surveys in tomography down tube soil interaction both at home and abroad now
Mainly there is shortcoming existing in terms of examination Platform Designing:
1. domestic and international pipeclay interaction test device is generally only applicable to common pipeclay interaction mode research, nothing
When tomography occurs for method simulation, the relative motion between pipeclay and corresponding deformation.
It is main when measuring pipe fitting and moving 2. function is more single, the loading characteristic of surrounding soil and tube surface
Strain.It is generally shorter to test pipe fitting, can not accurately simulate the shifted version and failure mode of pipe fitting entirety.
3. measure the pipeclay coupling of relatively large distance, the fixed form and both ends axle power that do not provide pipe fitting both ends are applied
The measurement method added.
Existing experimental rig (such as number of patent application in the country:CN201510752854.X), simulation buried pipeline and surrounding soil
Pipeclay interaction when relative displacement occurs for body, but is only applicable to shorter tube part, can not simulate long span pipe fitting under tomography
Overall collapse situation.
Invention content
The purpose of the present invention is to provide a kind of applications that may be implemented to buried pipeline tomography load, and simulation pipeline is in pole
Limit loaded-up condition under deformation and pipeclay interaction force experiment test platform, be buried pipeline ultimate bearing capacity into
Row is checked, while the pipeline failure mode that can be interacted to the pipeclay under faulting is explored.Technical solution is such as
Under:
A kind of experiment test platform of simulation tomography down tube soil interaction, including accommodate the static state of experiment pipe fitting and the soil body
Chamber, dynamic test case, positive tension system and data collecting system, in the side of static test case and dynamic test case
Offer through hole, experiment pipe fitting sequentially passes through the through hole of two chambers, which is characterized in that positive tension system includes
Positive pulling force expansion bend and chest expander supporting rack, for applying to dynamic test case and testing pipe fitting pulling force;Static test case and
The aperture size for the through hole that dynamic test case two sides close to each other are opened up is larger, mutual distance farther out two
The size for the through hole that a side is opened up and the matching size of experiment pipe fitting close;Steel is offered in the front of static test case
Twisted wire through hole, the data collecting system include horizontal displacement measuring instrument, camera and axle power monitor, the water
Flat detector for displacement measuring includes steel strand wires, balance weight, leading block and pulley support frame, and steel strand wires one end is fixed on developmental tube
On part, the other end passes through steel strand wires through hole, leading block and the balance weight of babinet to connect, and camera is balanced by monitoring
The displacement distance of weight obtains displacement of the steel pipe in the soil body;Axle power monitor is for axis caused by the deformation of monitoring test pipe fitting
Power.
Preferably, it is placed on guide rail in dynamic test case, positive pulling force expansion bend pulls dynamic to try by hydraulic cylinder
Tryoff makes babinet be moved along guide rail.
The data collecting system includes being arranged in the strain gauge of experiment outer surface of pipe fittings, is used for monitoring test pipe
The strain on part surface.
The data collecting system includes the sensor for pore water pressure being arranged in the experiment tubing circumference soil body, for monitoring pipe
The variation of part surrounding soil pressure.
The present invention is directed to buried pipeline, provides a kind of faulting down tube soil interaction experiment test platform, can be with
It realizes and tomography load is applied to pipe fitting, simulate its deformation under true limiting case, to be carried to buried pipeline design
It is accumulated for true data and experiment, further design targetedly is realized to tomography down tube soil interaction, simultaneously also
It can be laid with for the buried pipeline of Practical Project construction and Prevention-Security provides design guidelines.Have compared with the domestic and international prior art
It has the advantage that:
(1) faulting down tube soil interaction experiment test platform of the invention is, it can be achieved that buried pipeline service phase
Between limit operation environment simulation, test result is more nearly actual conditions, and effective test data is provided for engineering is practical
Accumulation.
(2) present invention considers influence of the tomography load to pipeline failure pattern, utilizes combining for steel strand wires and fixed pulley
It uses, realizes the tracking of horizontal displacement when being deformed to pipe fitting in the soil body.It is provided more entirely to solve engineering problem
The Analysis perspective in face provides more answer approach for failure mode exploration.
(3) present invention gives tool to the monitoring of the axial tension at both ends in the applying mode and deformation process of tomography load
The realization method of body.Using the extension rod piece of hydraulic cylinder, realize the changing of the relative positions of position between babinet, simulate buried pipe fitting by
Tomography load;The hydraulic cylinder being connect with pipe fitting both ends can realize the monitoring of axial tension in pipe fitting deformation process, using reality
The method tested provides reference for the check of the ultimate bearing capacity of buried pipe fitting.
Description of the drawings
Fig. 1 complete layouts
Figure label explanation:1- static test casees;2- dynamic test casees;3- tests pipe fitting;4- guide rails;5- forward direction pulling force is stretched
Contracting device;6- chest expander supporting racks;7- axle power monitors;8- horizontal displacement measuring instruments;9- sound state strain acquirement instrument;10- is calculated
Machine;11- high speed cameras;12- sensor for pore water pressure;
Fig. 2 static test babinets
1- static test casees;13- tests box main body;14- bracing pieces;15- pulleys;16- steel strand wires through holes;17- is tested
Pipe fitting through hole
Fig. 3 dynamic test casees
2- dynamic test casees;21- tests box main body;22- bracing pieces;23- pulleys;24- floors;25- brackets;26- pressure-bearings
Plate;27- flange connections
Fig. 4 tests pipe fitting
3- tests pipe fitting;31- steel pipes;32- ring flanges
Fig. 5 forward direction pulling force expansion bends
5- forward direction pulling force expansion bends;51- flange connections;52- pulling force trays;53- fixed pins;54- anti-tripping brackets;
55- rolling stocks;551- backing plates;552- idler wheels;56- stretches stayed mast;57- ring flanges;58- hydraulic cylinders
Fig. 6 chest expander supporting racks
6- chest expander supporting racks;61- baffles;62- guide rails;63- anti-tripping brackets;64- hydraulic cylinder support plates;65- columns;
66- armatures;67- backing plates;68- fixed plates
Fig. 7 axle power monitors
7- axle power monitors;71- flange connections;The spherical hinge constraints of 72-;73- hydraulic cylinders;74- hydraulic cylinders support
Plate;75- columns;76- girders;77- fixed plates
Fig. 8 horizontal displacement measuring instruments
8- horizontal displacement measuring instruments;81- steel strand wires;82- balance weights;83- leading blocks;84- pulley support framves;85-
Deep bracket
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is further described:
As shown in Figure 1, tomography down tube soil interaction experiment test platform includes mainly:Static test case 1, dynamic test
Case 2 tests pipe fitting 3, guide rail 4, positive pulling force expansion bend 5, chest expander supporting rack 6, axle power monitor 7, horizontal displacement measurement
Instrument 8, sound state strain acquirement instrument 9,10 high-speed camera 11 of computer, sensor for pore water pressure 12 etc..Sound state strain acquirement instrument with
The foil gauge for testing 3 surface of pipe fitting is connected;10 be computer, is connect with sound state strain acquirement instrument;11 for high speed camera with
Computer is connected;12 connect with the connected one end of the pressure sensor in the soil body with computer for sensor for pore water pressure one end.To prevent
Line interferes view effect, and 9,10,11 and 12 specific mode of connection is eliminated in figure.
Positive pulling force expansion bend 5 pulls dynamic test case 2 that babinet is made to be moved along guide rail 4 by hydraulic cylinder 58, quiet
State chamber 1 is kept fixed, and then soil body squeeze test pipe fitting 3 makes pipe fitting that mobile and deformation occur in case.Dynamic test case 2
In motion process, the variation of pipe fitting surrounding soil pressure can be monitored by the sensor for pore water pressure 12 in pipe fitting surrounding soil;Pass through
Sound state strain acquirement instrument 9 records the strain of tube surface in real time;It is flat by horizontal displacement measuring instrument 8 and high-speed camera acquisition
The displacement distance of weight hammer 82;The monitoring of pipe fitting axle power change procedure is realized by axle power monitor 6.
As shown in Fig. 2, static test case is by experiment box main body 13, bracing piece 14, pulley 15, steel strand wires through hole 16, examination
Test the composition of pipe fitting through hole 17.The experiment pipe fitting through hole 17 for testing 13 left side of box main body is bigger than normal, is existed with guarantee test pipe fitting 3
It avoids colliding with tank wall when occurring mobile in the soil body.The experiment pipe fitting through hole 17 for testing 13 right side of box main body is more inclined than left side
Small, the ring flange 32 of 3 both sides of guarantee test pipe fitting passes through.It acutely collides with tank wall generation when to avoid pipe fitting from moving,
17 surrounding of experiment pipe fitting through hole has carried out arc using bracing piece 14 and support shape is reinforced.Tank wall positive side is provided with 5 size phases
Same steel strand wires through hole allows steel strand wires to pass through.Testing the installation of box main body bottom side, there are four pulleys 15 to ensure babinet along guide rail
It rolls, reduces friction.
As shown in figure 3, dynamic test case is by experiment box main body 21, bracing piece 22, pulley 23, steel strand wires through hole 24, examination
Test pipe fitting through hole 25, floor 26, bracket 27, bearing plate 28, the composition of flange connection 29.The chamber master of dynamic test case
The size configurations of body 21, bracing piece 22, pulley 23, steel strand wires through hole 24, experiment pipe fitting through hole 25 are tried with purposes with static
The description of tryoff is identical.It is moved during the test since dynamic test case 2 bears pulling force, steel strand wires through hole 24 is right
Floor 26, bracket 27 and bearing plate 28 are welded on the tank wall in face to ensure the intensity of pressure-bearing side box wall.It is welded on bearing plate
Flange connection 29 can be stretched after dynamic test case 2 is placed on designated position before experiment by flange connection and positive pulling force
Contracting device 5 is bolted.
As shown in figure 4, experiment pipe fitting 3 is made of steel pipe 31 and two identical welding flanges 32.According to experiment demand
Foil gauge is pasted in the corresponding position of steel pipe 31 to connect with sound state strain acquirement instrument 9.Tie line is bundled in the table of steel pipe 31
Face avoids occurring scratch phenomenon in inlet installation process.
As shown in fig. 7, axle power monitor 7 is by flange connection 71, ball-type head 72, hydraulic cylinder 73, hydraulic cylinder
Support plate 74, column 75, girder 76, fixed plate 77 and hydraulic parameter harvester are constituted.The experiment pipe fitting connected is from experiment
Body side sequentially passes through static test case and dynamic test case, later supervises the ring flange 32 for testing 3 both ends of pipe fitting with axle power
The alignment of flange connection 71 for surveying device 7 is bolted.Axle power monitor 7 is opened during experiment to be adopted by its hydraulic parameter
Axle power is recorded in real time caused by acquisition means deform experiment pipe fitting 3.
As shown in figure 8, horizontal displacement measuring instrument 8 is by steel strand wires 81, balance weight 82, leading block 83, pulley support frame
84, deep bracket 85 is constituted.After the completion of the fixation of pipe fitting 3 will be tested, steel strand wires 81 are fastened in the designated position of steel pipe 31, steel twists
The other end of line 81 passes through the steel strand wires through hole of babinet, leading block 83 to be connect with balance weight 82, passes through during experiment
High speed camera 11 monitors the displacement distance of balance weight 82 to obtain displacement of the steel pipe in the soil body.
The end of experiment pipe fitting 3 and surface installment work are banketed after completing into chamber, and soil around buried pipeline is simulated
The physico-mechanical properties of body.For sandy soil, the indexs such as soil body unit weight, moisture content, compactness and natural slop angle should be measured.So
Sand is filled by layer in backward chamber, hit real after often filling out one layer and is hit real density with scheduled and is controlled, until reach predetermined
Absolute altitude;For banketing for viscosity, the indexs such as soil body unit weight, moisture content, plastic limit, liquid limit and shearing strength should be measured.Then same
It bankets into chamber by layer, every layer will tamp the density and moisture content for surveying soil uniformly and with cutting ring sample sample, and control
Predetermined value, until reaching predetermined absolute altitude.After the completion of clay is laid with, it is also necessary to consolidate 24 hours and form it into uniform entirety.
As shown in figure 5, positive pulling force expansion bend 5 is by flange connection 51, pulling force bearing plate 52, fixed pin 53, support elbow
Plate 54 rolls supporting plate 55, and backing plate 551, idler wheel 552, stretch stayed mast 56, ring flange 57, and hydraulic cylinder 58 is constituted.It tested
Positive pulling force expansion bend 5 provides pulling force using hydraulic cylinder 58 by flexible stayed mast 56 in journey, pulls 2 edge of dynamic test case
The application of tomography load is realized in guide rail movement.
Claims (4)
1. a kind of experiment test platform of simulation tomography down tube soil interaction, including accommodate the static examination of experiment pipe fitting and the soil body
Tryoff, dynamic test case, positive tension system and data collecting system, open up in the side of static test case and dynamic test case
There are through hole, experiment pipe fitting to sequentially pass through the through hole of two chambers, which is characterized in that positive tension system includes positive draws
Power expansion bend and chest expander supporting rack, for applying to dynamic test case and testing pipe fitting pulling force;Static test case and dynamic are tried
The aperture size for the through hole that tryoff two sides close to each other are opened up is larger, the two side institutes of mutual distance farther out
The size of the through hole opened up and the matching size of experiment pipe fitting close;Steel strand wires are offered in the front of static test case to pass through
Hole, the data collecting system include horizontal displacement measuring instrument, camera and axle power monitor, and the horizontal displacement measures
Instrument includes steel strand wires, balance weight, leading block and pulley support frame, and steel strand wires one end is fixed on experiment pipe fitting, the other end
Across the steel strand wires through hole of babinet, leading block and balance weight connect, camera by monitor balance weight movement away from
From displacement of the acquisition steel pipe in the soil body;Axle power monitor is for axle power caused by the deformation of monitoring test pipe fitting.
2. experiment test platform according to claim 1, which is characterized in that be placed on guide rail in dynamic test case, just
Pull dynamic test case that babinet is made to be moved along guide rail by hydraulic cylinder to pulling force expansion bend.
3. experiment test platform according to claim 1, which is characterized in that the data collecting system includes being arranged in
The strain gauge of outer surface of pipe fittings is tested, the strain of monitoring test tube surface is used for.
4. experiment test platform according to claim 1, which is characterized in that the data collecting system includes being arranged in
Test the sensor for pore water pressure in the tubing circumference soil body, the variation for monitoring pipe fitting surrounding soil pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322173.3A CN108693327A (en) | 2018-04-11 | 2018-04-11 | A kind of experiment test platform of simulation tomography down tube soil interaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322173.3A CN108693327A (en) | 2018-04-11 | 2018-04-11 | A kind of experiment test platform of simulation tomography down tube soil interaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108693327A true CN108693327A (en) | 2018-10-23 |
Family
ID=63844988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810322173.3A Pending CN108693327A (en) | 2018-04-11 | 2018-04-11 | A kind of experiment test platform of simulation tomography down tube soil interaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693327A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557171A (en) * | 2020-12-02 | 2021-03-26 | 哈尔滨工业大学（威海） | Soil layer top pressurizing device |
| CN112651151A (en) * | 2020-12-01 | 2021-04-13 | 中国石油大学(北京) | Test device for simulating pipeline to pass through slip fault and determination method |
| CN112683561A (en) * | 2020-12-02 | 2021-04-20 | 哈尔滨工业大学（威海） | Earthquake fault simulation experiment platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954415A (en) * | 2014-04-21 | 2014-07-30 | 广西交通科学研究院 | Method for measuring deflection of dry bridge |
| CN105300876A (en) * | 2015-11-07 | 2016-02-03 | 北京工业大学 | Self-balancing type test device for interaction between embedded pipeline and soil mass |
| CN208109830U (en) * | 2018-04-11 | 2018-11-16 | 天津大学 | A kind of experiment test platform for simulating tomography down tube soil interaction |
-
2018
- 2018-04-11 CN CN201810322173.3A patent/CN108693327A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954415A (en) * | 2014-04-21 | 2014-07-30 | 广西交通科学研究院 | Method for measuring deflection of dry bridge |
| CN105300876A (en) * | 2015-11-07 | 2016-02-03 | 北京工业大学 | Self-balancing type test device for interaction between embedded pipeline and soil mass |
| CN208109830U (en) * | 2018-04-11 | 2018-11-16 | 天津大学 | A kind of experiment test platform for simulating tomography down tube soil interaction |
Non-Patent Citations (2)
| Title |
|---|
| 《中国优秀硕士学位论文全文数据库 基础科学》: "跨断层埋地管道抗震性能的试验研究" * |
| 陈艳华 等: "穿越走滑断层埋地管道应变特性的试验研究" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112651151A (en) * | 2020-12-01 | 2021-04-13 | 中国石油大学(北京) | Test device for simulating pipeline to pass through slip fault and determination method |
| CN112651151B (en) * | 2020-12-01 | 2023-06-20 | 中国石油大学(北京) | Test device and determination method for simulating pipeline to pass through walk-slip fault |
| CN112557171A (en) * | 2020-12-02 | 2021-03-26 | 哈尔滨工业大学（威海） | Soil layer top pressurizing device |
| CN112683561A (en) * | 2020-12-02 | 2021-04-20 | 哈尔滨工业大学（威海） | Earthquake fault simulation experiment platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jalali et al. | Experimental and finite element study of the reverse faulting effects on buried continuous steel gas pipelines | |
| Bao et al. | Multi-scale physical model of shield tunnels applied in shaking table test | |
| Chen et al. | Shaking table test of utility tunnel under non-uniform earthquake wave excitation | |
| CN106592655B (en) | Pile pile pile sinking simulation test device and method under a kind of gradient confining pressure | |
| CN108693327A (en) | A kind of experiment test platform of simulation tomography down tube soil interaction | |
| CN107894368A (en) | A kind of pipe safety evaluating apparatus and method based on strain detecting | |
| Yang et al. | 1 g Shaking table test of segmental tunnel in sand under near-fault motions | |
| Pour-Ghaz et al. | Using electrical, magnetic and acoustic sensors to detect damage in segmental concrete pipes subjected to permanent ground displacement | |
| Zhou et al. | Laboratory evaluation of buried high-density polyethylene pipes subjected to localized ground subsidence | |
| CN111220452A (en) | True triaxial pressure chamber for coal rock simulation test and test method thereof | |
| CN208109830U (en) | A kind of experiment test platform for simulating tomography down tube soil interaction | |
| CN108198504A (en) | Simulate the centrifugal test device and its test method of multi-thread shield crossing existing structure | |
| Fayez et al. | Seismic response of helical pile groups from shake table experiments | |
| CN108956934A (en) | A kind of experimental test procedures for simulating tomography down tube soil interaction | |
| Han et al. | Nonlinear soil response under non-uniform seismic excitation from multi-point shaking table tests | |
| CN109060512B (en) | Assembled superposed pipe gallery quasi-static force loading test device and test method | |
| CN115452572B (en) | Test device and method for testing neutral axis position and longitudinal equivalent bending stiffness of shield tunnel | |
| Xu et al. | The influence of erosion voids on the longitudinal behaviour of a jointed large-diameter reinforced concrete pipeline | |
| Hassani et al. | A 3D numerical modeling of polyethylene buried pipes affected by fault movement | |
| Wang et al. | Numerical study on fatigue behavior of tubular joints for signal support structures | |
| Liu et al. | Centrifuge tests of large-diameter steel pipes crossing strike–slip faults | |
| Dai et al. | Shake table test and numerical analysis of the seismic response of buried long-distance pipeline under longitudinal non-uniform excitation | |
| CN108535771A (en) | A kind of buried pipeline earthquake monitoring system and analogue experiment installation | |
| CN212301171U (en) | Subway tunnel surrounding rock dynamic response test device under simulation circulation dynamic load | |
| CN114720167A (en) | Testing device and testing method for underground rock tunnel surrounding rock lining structure |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181023 |