CN106918510B - Pressure expansion formula pipeline break imitative experimental appliance and experimental method - Google Patents
Pressure expansion formula pipeline break imitative experimental appliance and experimental method Download PDFInfo
- Publication number
- CN106918510B CN106918510B CN201710199475.1A CN201710199475A CN106918510B CN 106918510 B CN106918510 B CN 106918510B CN 201710199475 A CN201710199475 A CN 201710199475A CN 106918510 B CN106918510 B CN 106918510B
- Authority
- CN
- China
- Prior art keywords
- retainer ring
- pipeline section
- pipeline
- experiment
- air bag
- 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
- 238000002474 experimental method Methods 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000005183 dynamical system Methods 0.000 claims abstract description 15
- 208000037656 Respiratory Sounds Diseases 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 239000003292 glue Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 238000009533 lab test Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
Abstract
The present invention relates to a kind of pressure expansion formula pipeline break imitative experimental appliances, comprising: pipeline support system, pipeline expanded support system, dynamical system, DIC test macro；Pipeline support system is supported the both ends of experiment pipeline section；The side wall of experiment pipeline section offers axial penetration precrack, and precrack is symmetrical about face in the axial direction of experiment pipeline section；Pipeline expanded support system is located at the middle part of experiment pipeline section, applies the bulbs of pressure to experiment pipeline section, precrack is caused to extend；Dynamical system provides pressure dynamics for pipeline expanded support system；DIC test macro observes the fracture process of experiment pipeline section in real time.Compared with the existing technology, the used pressure actuated device of the present invention reduces work risk, reduces cost；In experimentation, by controlling the speed of expansion of air bag, it can control the expansion rate of crackle, guarantee the accuracy of the data obtained；Air bag possesses sufficiently long length, contacts in expansion process with even tube wall, guarantees experimentation Stable Crack Growth.
Description
Technical field
The invention belongs to pipe design manufacturing fields, and in particular, to a kind of pressure expansion formula pipeline break simulated experiment
Device and experimental method.
Background technique
Pipeline break experiment has important application in terms of determining pipeline break characteristic, and pipeline break experiment at this stage can
It is divided into small-sized laboratory experiment, large-scale laboratory experiment and actual structural experiment.Small-sized laboratory experiment includes: three
Point bend test, compact tension specimen test and drop weight test etc., small-sized laboratory experiment study fracture characteristics, pipe using small specimen
Material test specimen and practical pipeline influence the understanding of the judgement to pipeline break characteristic there are scale error, constraint error etc.；Large-scale reality
Laboratory experiment such as wide plate test requires high, required higher cost to the load capability of experimental machine；Actual structural experiment is for example complete
Size explosion bulge test, Full scale burst experiment expends great human and material resources, and experimentation has great risk.For solution
The certainly above problem needs to design a kind of dedicated experimental provision for carrying out pipeline break experiment on pipeline.
Summary of the invention
To overcome existing technological deficiency, the present invention provides a kind of dresses that fracture stimulation experiment is carried out directly on pipeline section
It sets and experimental method, safe carry out fracture experiment on pipeline section may be implemented with the device, and can observe and split in real time
Line spread scenarios, to solve the test material preparation of conventional pipeline fracture experiment is difficult, error is larger, cost is excessively high, risk is larger etc.
Problem, and structure is simple, it is easy to use.
To achieve the above object, the present invention uses following proposal:
Pressure expansion formula pipeline break imitative experimental appliance, comprising: pipeline support system, pipeline expanded support system, dynamical system
System, DIC test macro；Pipeline support system is supported the both ends of experiment pipeline section；The side wall of experiment pipeline section offers axial direction
Precrack is penetrated, precrack is symmetrical about face in the axial direction of experiment pipeline section；Pipeline expanded support system is located in experiment pipeline section
Portion applies the bulbs of pressure to experiment pipeline section, precrack is caused to extend；Dynamical system provides pressure for pipeline expanded support system and moves
Power；DIC test macro observes the fracture process of experiment pipeline section in real time.
Compared with the existing technology, the invention has the following beneficial effects:
(1), experimental sample uses full-scale Piping specimen, directly intercepts from pipeline, reduces scale error, constraint error
Deng guaranteeing the reliability of data.
(2), experiment uses pressure actuated device, reduces work risk, reduces cost.
(3), in experimentation, by controlling the speed of expansion of air bag, it can control the expansion rate of crackle, guarantee gained
The accuracy of data.
(4), air bag possesses sufficiently long length, contacts in expansion process with even tube wall, guarantees that experimentation crackle is steady
Fixed extension.
(5), crack propagation situation is observed in real time with DIC test device, data needed for facilitating acquisition.
Detailed description of the invention
Fig. 1 is water pressure expansion type pipeline break imitative experimental appliance schematic elevation view.
Fig. 2 is schematic elevation view in water pressure expansion type pipeline break imitative experimental appliance experimentation.
Fig. 3 is the radial half-section diagram of Fig. 1.
Fig. 4 is the radial half-section diagram of Fig. 2.
Fig. 5 is atmospheric pressure expansion type pipeline break experimental provision schematic elevation view.
Fig. 6 is schematic elevation view in atmospheric pressure expansion type pipeline break imitative experimental appliance experimentation.
Fig. 7 is the radial half-section diagram of Fig. 5.
Fig. 8 is the radial half-section diagram of Fig. 6.
Wherein: 1, testing pipeline section, 2, air bag, 3A, upper left rubber ring, 3B, upper right rubber ring, 4, DIC (digital picture correlation
Method) test macro, 5, efferent duct, 6A, upper left quoit, 6B, upper right quoit, 7A, lower-left rubber ring, 7B, bottom right rubber
Circle, 8A, the first dynamical system, 8B, the second dynamical system, 9A, the first valve, 9B, the second valve, 10, water-filling machine, 11, inflation
Machine, 12, air exhauster, 13, water pumper, 14, precrack, 15, light source, 16, image acquisition device, 17, computer, 18, pipeline branch
Support system, 19, pipeline expanded support system, 20A, lower-left quoit, 20B, bottom right quoit, 21, input pipe, 22A, upper left retainer ring,
22B, upper right retainer ring, 23A, lower-left retainer ring, 23B, bottom right retainer ring, 24A, the first rubber retainer ring, 24B, the second rubber retainer ring.
Specific embodiment
Embodiment one
As shown in Figures 1 to 4, water pressure expansion type pipeline break imitative experimental appliance, comprising: pipeline support system 18,
Pipeline expanded support system 19, the first dynamical system 8A, DIC test macro 4；18 pairs of pipeline support system experiment pipeline section 1 both ends into
Row support；The side wall of experiment pipeline section 1 offers axial penetration precrack 14, axial direction of the precrack 14 about experiment pipeline section 1
Middle face is symmetrical；Pipeline expanded support system 19 is located at the middle part of experiment pipeline section 1, applies expansion water pressure to experiment pipeline section 1, causes prefabricated
Crackle 14 extends；First dynamical system 8A is that pipeline expanded support system 19 provides hydraulic power；4 pairs of experiment pipeline sections 1 of DIC test macro
Fracture process observed in real time.
Pipeline support system 18, comprising: upper left retainer ring 22A, lower-left retainer ring 23A, upper right retainer ring 22B, bottom right retainer ring 23B,
First rubber retainer ring 24A, the second rubber retainer ring 24B；Upper left retainer ring 22A, lower-left retainer ring 23A are located at the left end of experiment pipeline section 1, left
Upper retainer ring 22A is followed successively by upper left rubber ring 3A, upper left quoit 6A from inside to outside, and lower-left retainer ring 23A is followed successively by a left side from inside to outside
Lower rubber ring 7A, lower-left quoit 20A；Upper left retainer ring 22A, lower-left retainer ring 23A are consolidated the left end for testing pipeline section 1 by bolt
It is fixed；Upper right retainer ring 22B, bottom right retainer ring 23B are located at the right end of experiment pipeline section 1, and upper right retainer ring 22B is followed successively by upper right rubber from inside to outside
Cushion rubber 3B, upper right quoit 6B, bottom right retainer ring 23B are followed successively by bottom right rubber ring 7B, bottom right quoit 20B from inside to outside；Upper right
Retainer ring 22B, bottom right retainer ring 23B are fixed the right end for testing pipeline section 1 by bolt；Upper left retainer ring 22A, lower-left retainer ring 23A and the right side
Upper retainer ring 22B, bottom right retainer ring 23B are full symmetric relative to face in experiment 1 radial direction of pipeline section；First rubber retainer ring 24A, the second rubber
Retainer ring 24B is respectively arranged in the left and right ends of pipeline expanded support system 19, is fixed on the inner wall of experiment pipeline section 1 by screw.
Pipeline expanded support system 19, comprising: air bag 2, efferent duct 5, input pipe 21, the first valve 9A, the second valve 9B；Air bag
2 about face bilateral symmetry in the axial direction of experiment pipeline section 1, and input pipe 21 is installed in the left end of air bag 2, and the right end of air bag 2 installs output
Pipe 5 is separately installed with the first valve 9A, the second valve 9B between air bag 2 and input pipe 21 and efferent duct 5；First rubber card
Circle 24A, the second rubber retainer ring 24B are respectively arranged in the left and right ends of air bag 2, and the inner wall of experiment pipeline section 1 is fixed on by screw
On.
First dynamical system 8A, comprising: water-filling machine 10, water pumper 13；Water-filling machine 10 is connected by input pipe 21 with air bag 2
Hydraulic pressure is provided；Water pumper 13, which is connected by efferent duct 21 with air bag, is discharged liquid.
DIC test macro 4, comprising: computer 17, light source 15, image acquisition device 16；Light source 15 is symmetrically disposed at experiment tube
The two sides up and down of 1 precrack 14 of section, image acquisition device 16 are placed in the positive front side of precrack 14, and image acquisition device 16 can be complete
The full expansion process for recording crackle, image acquisition device 16 are connected with computer 17, can by the information that image acquisition device 16 acquires
For transmission in computer 17, and do analytical calculation.
The experimental method of pipeline break simulated experiment, using above-mentioned water pressure expansion type pipeline break imitative experimental appliance,
Include the following steps:
1, experiment pipeline section 1 is placed on lower-left retainer ring 23A, bottom right retainer ring 23B, tests the left and right ends of pipeline section 1 and divided
Not with the left end of lower-left retainer ring 23A, bottom right retainer ring 23B right alignment；Upper left retainer ring 22A, upper right retainer ring 22B are aligned a left side respectively
Lower retainer ring 23A, bottom right retainer ring 23B are placed on experiment pipeline section 1, while being fixed with nut, screw；Then by pipeline expanded support system
19 are put into the experiment pipeline section 1 containing precrack 14, adjust face in the bilateral symmetry face of air bag 2 and the axial direction of experiment pipeline section 1
It is overlapped；
2, light source 15 is symmetrically disposed to the two sides up and down of experiment 1 precrack 14 of pipeline section, guarantees the irradiation model of light source 15
Precrack 14 can be covered by enclosing, and then image acquisition device 16 is placed in the positive front side of precrack 14, make image acquisition device
16 can record the expansion process of crackle completely, and image acquisition device 16 is connected with computer 17, complete the peace of DIC test macro 4
Dress；
3, the first valve 9A is opened, the second valve 9B is closed, respectively by water-filling machine 10, water pumper 13 and input pipe 21, defeated
Outlet pipe 5 is connected, and in experimentation, opens water-filling machine 10, slow water-filling in air bag 2, the left and right ends of precrack 14 are because of gas
The expansion of capsule 2 starts slowly to extend, and by controlling water intake velocity, can control the rate of expansion of air bag 2, and then can control prefabricated split
The expansion rate of line 14；Image acquisition device 16 records crack propagation overall process and is transferred in connected computer 17；Computer
17 are post-processed accordingly；After experiment, the first valve 9A is closed, opens the second valve 9B, opens water pumper 13, is utilized
Water in air bag 2 is discharged water pumper 13.
Embodiment two
As shown in Fig. 5 to Fig. 8, the difference of atmospheric pressure expansion type pipeline break imitative experimental appliance and embodiment one exists
In using the first dynamical system 8A of the second dynamical system 8B substitution；Second dynamical system 8B, comprising: inflator 11, air exhauster
12；Inflator 11, which is connected by input pipe 21 with air bag 2, provides air pressure；Air exhauster 12 passes through efferent duct 21 and 2 phase platoon of air bag
Gas out.
The experimental method of pipeline break simulated experiment, using above-mentioned atmospheric pressure expansion type pipeline break imitative experimental appliance,
With embodiment one the difference is that: open the first valve 9A, close the second valve 9B, respectively by inflator 11, air exhauster
12 are connected with input pipe 21, efferent duct 5, in experimentation, open inflator 11, slowly inflate in air bag 2, precrack 14
Left and right ends, by control intake velocity, can control the rate of expansion of air bag 2 because the expansion of air bag 2 starts slowly to extend, into
And the expansion rate of controllable precrack 14.Image acquisition device 16 records crack propagation overall process and is transferred to connected calculating
In machine 17；Computer 17 is post-processed accordingly；After experiment, the first valve 9A is closed, opens the second valve 9B, is opened
The water in air bag 2 is discharged using air exhauster 12 for air exhauster 12.
Claims (5)
1. a kind of pressure expansion formula pipeline break imitative experimental appliance, comprising: pipeline support system, pipeline expanded support system, power
System, DIC test macro；Pipeline support system is supported the both ends of experiment pipeline section；The side wall of experiment pipeline section offers axis
To precrack is penetrated, precrack is symmetrical about face in the axial direction of experiment pipeline section；Pipeline expanded support system is located at experiment pipeline section
Middle part applies the bulbs of pressure to experiment pipeline section, precrack is caused to extend；Dynamical system provides pressure for pipeline expanded support system and moves
Power；DIC test macro observes the fracture process of experiment pipeline section in real time；It is characterized by:
Pipeline support system, comprising: upper left retainer ring, lower-left retainer ring, upper right retainer ring, bottom right retainer ring, the first rubber retainer ring, the second rubber
Glue retainer ring；Upper left retainer ring, lower-left retainer ring be located at experiment pipeline section left end, upper left retainer ring be followed successively by from inside to outside upper left rubber ring,
Upper left quoit, lower-left retainer ring are followed successively by lower-left rubber ring, lower-left quoit from inside to outside；Upper left retainer ring, lower-left retainer ring pass through
Bolt fixes the left end for testing pipeline section；Upper right retainer ring, bottom right retainer ring are located at the right end of experiment pipeline section, and upper right retainer ring is from inside to outside
It is followed successively by upper right rubber ring, upper right quoit, bottom right retainer ring is followed successively by bottom right rubber ring, bottom right quoit from inside to outside；Upper right
Retainer ring, bottom right retainer ring are fixed the right end for testing pipeline section by bolt；Upper left retainer ring, lower-left retainer ring and upper right retainer ring, bottom right card
Circle is full symmetric relative to face in experiment pipeline section radial direction；First rubber retainer ring, the second rubber retainer ring are respectively arranged in pipeline expanded support
The left and right ends of system are fixed on the inner wall of experiment pipeline section by screw；
Pipeline expanded support system, comprising: air bag, efferent duct, input pipe, the first valve, the second valve；Air bag is about experiment pipeline section
Input pipe is installed in face bilateral symmetry in axial direction, the left end of air bag, and the right end of air bag installs efferent duct, in air bag and input pipe and defeated
The first valve, the second valve are separately installed between outlet pipe；First rubber retainer ring, the second rubber retainer ring are respectively arranged in air bag
Left and right ends are fixed on the inner wall of experiment pipeline section by screw；
DIC test macro, comprising: computer, light source, image acquisition device；Source symmetric is placed on experiment pipeline section precrack
Upper and lower two sides, image acquisition device are placed in the positive front side of precrack, and image acquisition device can record the expansion process of crackle completely,
Image acquisition device is connected with computer, and the information acquired by image acquisition device can be for transmission in computer, and makees analysis meter
It calculates.
2. pressure expansion formula pipeline break imitative experimental appliance according to claim 1, which is characterized in that pressure expansion formula
Pipeline break imitative experimental appliance is water pressure expansion type pipeline break imitative experimental appliance, and dynamical system includes: water-filling machine, takes out
Water dispenser；Water-filling machine, which is connected by input pipe with air bag, provides hydraulic pressure；Water pumper, which is connected by efferent duct with air bag, is discharged liquid.
3. pressure expansion formula pipeline break imitative experimental appliance according to claim 1, which is characterized in that pressure expansion formula
Pipeline break imitative experimental appliance is atmospheric pressure expansion type pipeline break imitative experimental appliance, and dynamical system includes: inflator, takes out
Mechanism of qi；Inflator, which is connected by input pipe with air bag, provides air pressure；Air exhauster, which is connected by efferent duct with air bag, is discharged gas.
4. a kind of experimental method of pipeline break simulated experiment, is simulated using pressure expansion formula pipeline break described in claim 2
Experimental provision, which is characterized in that include the following steps:
(1), experiment pipeline section is placed on lower-left retainer ring, on the retainer ring of bottom right, test the left and right ends of pipeline section with respectively with lower-left card
The left end of circle, bottom right retainer ring right alignment；Upper left retainer ring, upper right retainer ring are aligned lower-left retainer ring respectively, bottom right retainer ring is placed on
It tests on pipeline section, while being fixed with nut, screw；Then pipeline expanded support system is put into the experiment pipeline section containing precrack
In, the bilateral symmetry face for adjusting air bag is overlapped with face in the axial direction of experiment pipeline section；
(2), source symmetric is placed on to the two sides up and down of experiment pipeline section precrack, guarantees that the range of exposures of light source can cover
Then image acquisition device is placed in the positive front side of precrack, image acquisition device is allow to record crackle completely by precrack
Expansion process, image acquisition device is connected with computer, completes the installation of DIC test macro；
(3), the first valve is opened, the second valve is closed, water-filling machine, water pumper is connected with input pipe, efferent duct respectively, is tested
In the process, water-filling machine is opened, slow water-filling in air bag, the left and right ends of precrack are because the expansion of air bag starts slowly to expand
Exhibition can control the rate of expansion of air bag, and then the expansion rate of controllable precrack by controlling water intake velocity；Image is adopted
Storage record crack propagation overall process is simultaneously transferred in connected computer；Computer is post-processed accordingly；Experiment terminates
Afterwards, the first valve is closed, the second valve is opened, opens water pumper, the water in air bag is discharged using water pumper.
5. a kind of experimental method of pipeline break simulated experiment, is simulated using pressure expansion formula pipeline break described in claim 3
Experimental provision, which is characterized in that include the following steps:
(1), experiment pipeline section is placed on lower-left retainer ring, on the retainer ring of bottom right, test the left and right ends of pipeline section with respectively with lower-left card
The left end of circle, bottom right retainer ring right alignment；Upper left retainer ring, upper right retainer ring are aligned lower-left retainer ring respectively, bottom right retainer ring is placed on
It tests on pipeline section, while being fixed with nut, screw；Then pipeline expanded support system is put into the experiment pipeline section containing precrack
In, the bilateral symmetry face for adjusting air bag is overlapped with face in the axial direction of experiment pipeline section；
(2), source symmetric is placed on to the two sides up and down of experiment pipeline section precrack, guarantees that the range of exposures of light source can cover
Then image acquisition device is placed in the positive front side of precrack, image acquisition device is allow to record crackle completely by precrack
Expansion process, image acquisition device is connected with computer, completes the installation of DIC test macro；
(3), the first valve is opened, the second valve is closed, inflator, air exhauster is connected with input pipe, efferent duct respectively, is tested
In the process, inflator is opened, is slowly inflated in air bag, the left and right ends of precrack are because the expansion of air bag starts slowly to expand
Exhibition can control the rate of expansion of air bag, and then the expansion rate of controllable precrack by controlling intake velocity；Image is adopted
Storage record crack propagation overall process is simultaneously transferred in connected computer；Computer is post-processed accordingly；Experiment terminates
Afterwards, the first valve is closed, the second valve is opened, opens air exhauster, the gas in air bag is discharged using air exhauster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710199475.1A CN106918510B (en) | 2017-03-29 | 2017-03-29 | Pressure expansion formula pipeline break imitative experimental appliance and experimental method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710199475.1A CN106918510B (en) | 2017-03-29 | 2017-03-29 | Pressure expansion formula pipeline break imitative experimental appliance and experimental method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106918510A CN106918510A (en) | 2017-07-04 |
| CN106918510B true CN106918510B (en) | 2019-09-06 |
Family
ID=59461650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710199475.1A Active CN106918510B (en) | 2017-03-29 | 2017-03-29 | Pressure expansion formula pipeline break imitative experimental appliance and experimental method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106918510B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760514B (en) * | 2018-04-18 | 2019-04-05 | 河海大学 | A kind of geomembrane waterpower bursting and particle puncture deformation test device and test method |
| CN108918279B (en) * | 2018-07-09 | 2020-12-29 | 中国石油大学(华东) | Circulating water power type pipeline fracture simulation experiment device and experiment method |
| CN109520842B (en) * | 2019-01-02 | 2023-08-22 | 安徽理工大学 | Dynamic and static load and fracture pressure coupling fractured rock mechanical test device and method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957287A (en) * | 2009-07-20 | 2011-01-26 | 中国科学院金属研究所 | Stress corrosion cracking loading method of pipe material |
| CN102854061A (en) * | 2012-07-31 | 2013-01-02 | 清华大学 | Loading method for pipeline containing through cracks |
| CN106404548A (en) * | 2016-10-31 | 2017-02-15 | 重庆大学 | Method for visually analyzing crack propagation under hydraulic fracturing effect |
-
2017
- 2017-03-29 CN CN201710199475.1A patent/CN106918510B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957287A (en) * | 2009-07-20 | 2011-01-26 | 中国科学院金属研究所 | Stress corrosion cracking loading method of pipe material |
| CN102854061A (en) * | 2012-07-31 | 2013-01-02 | 清华大学 | Loading method for pipeline containing through cracks |
| CN106404548A (en) * | 2016-10-31 | 2017-02-15 | 重庆大学 | Method for visually analyzing crack propagation under hydraulic fracturing effect |
Non-Patent Citations (2)
| Title |
|---|
| 数字图像相关方法及其在材料力学性能测试中的应用;刘小勇;《中国博士学位论文全文数据库 信息科技辑》;20121215(第12期);第I138-40页 |
| 鲁宁管道打孔盗油管段应力现场测试;高安东等;《油气储运》;20091231;第28卷(第2期);第64-67页、第74页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106918510A (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106918510B (en) | Pressure expansion formula pipeline break imitative experimental appliance and experimental method | |
| CN107991216B (en) | Fluid fracture seepage simulator under a kind of high temperature stress | |
| Deng et al. | A method for simulating the release of natural gas from the rupture of high-pressure pipelines in any terrain | |
| CN104729948B (en) | Coal containing methane gas aqueous vapor two phase fluid flow experimental system and method | |
| CN110487697A (en) | Infuse supercritical carbon dioxide coal petrography mechanical property testing and fracturing experiments device | |
| CN104405377B (en) | Method and device for accurately simulating core under-pressure placing displacement in laboratories | |
| CN104458400A (en) | High-temperature and high-pressure water vapor environment structural material testing device | |
| CN108648603B (en) | Air bag-support test device for simulating tunnel subsection excavation | |
| CN108119132B (en) | Tight sandstone gas reservoir near-wellbore-zone radial seepage water saturation simulation device and method | |
| CN102608290A (en) | Large-scale piping testing apparatus capable of simulating overburden pressure of soil and testing method using large-scale piping testing apparatus | |
| CN108732061B (en) | Method for identifying desorbed gas and free gas in shale gas output gas | |
| CN105973712A (en) | Acoustic emission testing device used in gassy coal rock fracturing process | |
| BR0114452A (en) | Well test system, method for performing a well test, and flow control valve | |
| CN102879157A (en) | Airtightness detection method for protective engineering ventilation system and system thereof | |
| CN109470616A (en) | Rock multifunction seepage test macro | |
| CN108827679A (en) | A kind of inflating pressure thermo-structural experiment device and method of space environmental simulation | |
| CN104458272A (en) | Exhaust smoke test method and device for engine | |
| CN109870397A (en) | Isothermal adsorption deformation testing device and test method under the conditions of a kind of mixed gas | |
| CN102087159B (en) | Differential pressure leakage detecting method for double primary standards | |
| CN106918507B (en) | Half Cracked pipe fracture stimulation experimental provision of unidirectional drive formula and experimental method | |
| CN106840886B (en) | Bi-directional drive type pipeline break imitative experimental appliance and experimental method | |
| CN112362485A (en) | Multifunctional comprehensive test system and test method for hydrate sediments | |
| US20180090235A1 (en) | Examination and test system for nuclear-grade control valve | |
| CN106989996B (en) | One-way hydraulic enlarged diameter type pipeline break imitative experimental appliance and experimental method | |
| CN107063868B (en) | Bidirectional hydraulic enlarged diameter type pipeline break imitative experimental appliance and experimental method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Yuguang Inventor after: Yi Haijiao Inventor after: Zhen Ying Inventor after: Xu Guoqiang Inventor after: Xin Lu Inventor before: Cao Yuguang Inventor before: Yi Haijiao Inventor before: Zhen Ying Inventor before: Sun Yongtai Inventor before: Xu Guoqiang Inventor before: Xin Lu |
|
| CB03 | Change of inventor or designer information |