CN107991194A - The physical model test device that buried pipeline impacts adjacent conduit in the case of destroying - Google Patents
The physical model test device that buried pipeline impacts adjacent conduit in the case of destroying Download PDFInfo
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- CN107991194A CN107991194A CN201711401423.4A CN201711401423A CN107991194A CN 107991194 A CN107991194 A CN 107991194A CN 201711401423 A CN201711401423 A CN 201711401423A CN 107991194 A CN107991194 A CN 107991194A
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- buried pipeline
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- sliding slot
- pipelines
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- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 28
- 238000002474 experimental method Methods 0.000 claims description 10
- 239000003351 stiffener Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 239000005341 toughened glass Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000001066 destructive effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 12
- 238000004088 simulation Methods 0.000 description 7
- 230000003993 interaction Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 241000132536 Cirsium Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000005496 tempering 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
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
-
- 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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- 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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording 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
- G01N2203/0014—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
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- 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
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
Abstract
The physical model test device that a kind of buried pipeline impacts adjacent conduit in the case of destroying, bag apparatus main body includes rectangular aperture, armorplate glass notch and semicircle opening, rectangular aperture is located at left and right sides of apparatus main body, there is at least two rectangular aperture setting up and down per side, armorplate glass notch is located at apparatus main body front portion, and semicircle opening is located at apparatus main body bottom；Pipe slides platform includes sliding slot, support of pipelines and sleeve, and sliding slot is located at rectangular aperture upper and lower side, and support of pipelines is slidably located in sliding slot, and sleeve is embedded in set by support of pipelines in annulus, and the both ends of buried pipeline are located in the sleeve of left and right respectively.Accuracy of the present invention is preferable, using this device, can simulate two adjacent buried pipeline relative positions, different-diameter, rupture mouth-shaped, measure strain, deformation behaviour and the destructive process of analysis conduit, be broken to for buried pipeline because providing test basis.
Description
Technical field
The present invention relates to the simulation test device in a kind of pipeline transportation industry, specifically a kind of simulation buried pipeline
Destroy the experimental rig for triggering soil body deformation and causing neighbouring buried pipeline to destroy.
Background technology
Pipeline plays key player in transport oil gas, tap water and blowdown etc., in modern production and people's people's livelihood
Play an important role in work, have become fluid, the primary manner of gas conveying.Major part city in China's enters at a high speed at this stage
Development, buried pipeline because its stabilization, efficiently, be not take up the advantages that ground space be used widely, can be rated as the life in city
Line.Buried pipeline is there are the time limit, and phenomena such as permanent use occurs abrasion, destroys, taking out decayed and outmoded buried pipeline needs to expend greatly
Manpower, financial resources and time are measured, so usually not taking out decayed and outmoded pipeline.The properties such as decayed and outmoded pipeline resistance to compression, intensity are under
Drop, when act on decayed and outmoded pipeline soil pressure exceed decayed and outmoded pipeline permissible value, decayed and outmoded pipeline just occur larger deformation or
Destroy.The deformation and failure of decayed and outmoded pipeline will certainly cause the soil body that certain displacement occurs, and produce stress, cause neighbouring new pipeline
It is affected.At abroad, carrying out the colleges and universities of large scale pipeclay interaction model experiment and research institution has the U.S. still
His state university, Ohio University, Massachusetts Polytechnics, Louisiana Polytechnics and army of Canadian imperial family of Queen's University
Thing institute ground research center etc..The domestic research in terms of the native case experimental system principle of pipe-soil is less, interacts to pipeclay
Research means rely primarily on numerical simulation, and the result of numerical simulation can have more convincingness by the support of model test, but domestic
Experimental rig can not simulate the influence that pipeline damage produces adjacent conduit at present.
The content of the invention
In order to overcome the shortcomings of that existing pipeclay interaction is poor by accuracy existing for numerical simulation, the present invention provides
The physical model test device that a kind of preferable buried pipeline of accuracy impacts adjacent conduit in the case of destroying, utilizes
This device, can simulate two adjacent buried pipeline relative positions, different-diameter, rupture mouth-shaped, measure answering for analysis conduit
Change, deformation behaviour and destructive process, are broken to because providing test basis for buried pipeline.
The technical solution adopted by the present invention to solve the technical problems is：
The physical model test device that a kind of buried pipeline impacts adjacent conduit in the case of destroying, including device master
Body and pipe slides platform；Described device main body includes the rectangular aperture for pipe laying sliding platform, for installing tempering
The armorplate glass notch of glass plate and the semicircle opening for installing half underground pipe, the rectangular aperture are located at device master
At left and right sides of body, before thering is at least two rectangular aperture setting up and down, the armorplate glass notch to be located at apparatus main body per side
Portion, the semicircle opening are located at apparatus main body bottom；The pipe slides platform includes sliding slot, support of pipelines and sleeve, institute
State sliding slot and be located at rectangular aperture upper and lower side, the support of pipelines is slidably located in sliding slot, and the sleeve is embedded in pipeline branch
Set by frame in annulus, the both ends of buried pipeline are located in the sleeve of left and right respectively.
Further, the pipe slides platform further includes dial, and the dial is located above support of pipelines, by equidistant
Circular hole is formed, and the nut can be inserted into dial by the screw hole in upper end sliding slot centre position, fixed -piping and energy control pipe
The position in road.
Further, the rectangular aperture upper and lower end is equipped with sliding slot, and lower end sliding slot is equipped with two bearings, the pipeline
Stent is slided by the bearing in sliding slot.
Further, the semicircle opening is at the base angle of apparatus main body front end, semi-circular section and tempered glass board slot
Salty conjunction.
Described device theme further includes ribbed stiffener, and the ribbed stiffener is located at apparatus main body base angle.
Described device theme further includes pulley, and the pulley is located at four angles end of apparatus main body bottom
The present invention above-mentioned technical proposal compared with prior art, can simulate buried pipeline diverse location, different-diameter,
Difference destroys breach and triggers land movement and produce the influence to adjacent conduit, and uses PIV technical monitoring land movement situations,
Carry out buried pipeline and destroy the laboratory test to interact with adjacent buried pipeline, by the strain and destruction that measure analysis conduit
Process and land movement, are broken to because providing test basis for buried pipeline.
Beneficial effects of the present invention are mainly manifested in：
(1) experimental rig can be applied to pipeclay interaction architecture model experiment, pass through bottom of device breast boards
Removal simulates soil body depression, causes pipeclay to interact；
(2) experimental rig is simple in structure, easily operated, thistle board can be placed on deep basal pit physical model top, light
Appropriate counterweight is superimposed on scutum, to reach requirement of the experiment to load；
(3) experimental rig position control system construction is simple, can be precisely controlled the position of pipeline to a certain extent；
(4) experimental rig can not only simulate buried pipeline and destroy the influence caused by adjacent conduit, can also simulate
The pipeclay interaction that buried pipeline is occurred in the case of different buried depth, different-diameter；
(5) the experimental rig component strength is high, rigidity is big, and the possibility that component occurs destroying once in a while is very small, even if going out
Existing breakage, is also easy to repair or replaces；
(6) experimental rig can be as the references object of geotechnical engineering model test, and cost is low, has a extensive future, warp
Ji remarkable benefit.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the front view of Fig. 1
Fig. 3 is the top view of Fig. 1
Fig. 4 is the left view of Fig. 1
Fig. 5 is pipe slides platform structure schematic diagram
Fig. 6 is device frame structure chart
Fig. 7 is support of pipelines top view
In figure：1-apparatus main body, 2-support of pipelines, 3-nut, 4-sleeve, 5-half buried pipeline, 6-hand push
Bar, 7-glass plate notch, 8-top buried pipeline, 9-lower part buried pipeline, 10-ribbed stiffener, 11-glass plate notch,
12-pulley, 13-glass plate notch, 14-bearing, 15-screw hole, 16-armorplate glass, 17,18,19,20-pipeline slide
Moving platform, 21,22-semicircle opening, 23-circular hole.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
With reference to Fig. 1~Fig. 7, the physical experiments that a kind of buried pipeline impacts adjacent conduit in the case of destroying fill
Put, including apparatus main body and pipe slides platform；Described device main body include rectangular aperture, armorplate glass notch, ribbed stiffener,
Semicircle opening, pulley, the rectangular aperture are located at left and right sides of apparatus main body, there is two rectangular apertures up and down, institute per side
State armorplate glass notch and be located at apparatus main body front portion, the ribbed stiffener is located at apparatus main body base angle, and it is strong to play bracing means main body
The effect of degree, the semicircle opening is at the base angle of apparatus main body front end, and semi-circular section is overlapped with armorplate glass notch, institute
State four angles end that pulley is located at apparatus main body bottom；The pipe slides platform include sliding slot, bearing, support of pipelines, sleeve,
Dial, nut, the sliding slot are located at rectangular aperture upper and lower side, and the support of pipelines is located in sliding slot, under the bearing is located at
Sliding slot is held, contributes to the slip of support of pipelines, the sleeve is embedded in set by support of pipelines in annulus, contributes to fixed underground pipe
Road, the dial are located above support of pipelines, are made of equidistant circular hole, the nut can pass through upper end sliding slot centre position
Screw hole, is inserted into dial, fixed -piping, and the position of energy control pipeline.
The rectangular aperture upper and lower end is equipped with sliding slot, and lower end sliding slot is equipped with two bearings, is conducive to support of pipelines cunning
It is dynamic.
The conduit sleeve has different-diameter, can fix different-diameter pipeline.
The semicircular opening section coincides with armorplate glass notch, ensure insertion half buried pipeline when, section with
Glass plate fits closely.
The armorplate glass should use colourless transparent glass plate.
Reserve prismatic, square, circular breach in the lower part buried pipeline, installation foil gauge inside the buried pipeline of top,
Monitor pipe deforming.
The sliding slot upper and lower end distance ensures that support of pipelines can only be along two Slideslips close to the height of support of pipelines.
Arc panel is embedded in buried pipeline and the half buried pipeline, breach can be blocked, prevent grogs in experiment opening
Penetrated into before beginning in pipeline.
Reserved prismatic at the top of the half root pipeline, square, circular breach, can study buried pipeline respectively and produce different breaches
The influence produced during type to adjacent conduit and the soil body.
The dial is made of 15 circular holes at a distance of 20mm, and nut can be reserved by upper end sliding slot centre position
Hole, be inserted into dial, the position of control pipeline, and can fixed -piping.
The pulley cover tire is using the bigger material manufacture of rubber or other friction coefficient.
The simulation buried pipeline of the present embodiment destroys the experimental rig of the influence to neighbouring buried pipeline, including device master
Body, pipe slides platform, 1 bottom of described device main body is equipped with four pulleys 12, so as to the movement of device.1 rear end of apparatus main body
Equipped with handspike 6, facilitate personnel's pushing meanss.Main body frame 1 is equipped with pipe slides platform 17,18,19,20, and pipe slides are put down
Platform is made of support of pipelines 2, sleeve 4, sliding slot, bearing 14.Support of pipelines 2 can be slided in sliding slot by bearing 14, and sleeve 4 is solid
It is scheduled on support of pipelines 2, buried pipeline is fixed in sleeve 4, and shift position is realized by pipe slides platform.Armorplate glass
16 perfect can be embedded in glass plate notch 7,11,13.
Applying the present invention to the process that simulation buried pipeline destruction triggers pipeclay interaction to test is：
Part I, early-stage preparations
1st, for Research Requirements, according to the principle of similitude, using similarity model test result as standard, filled according to the experiment drafted
Put spatial shape and prepare the analog material preparation soil body uniform, that moisture content is constant.
2nd, the buried pipeline and the suitable armorplate glass of a block specifications of two standard specifications are selected.
Select one piece of colourless, transparent armorplate glass 16, insertion glass plate notch 7,11,
13.Digital camera is controlled using computer, is placed immediately ahead of experimental rig, alignment lens steel
Change glass plate.
Part II, the adjusting and fixation of device
3rd, top buried pipeline 8 is adjusted by pipe slides platform 17,18, is fixed, and lower part buried pipeline 9 is slided by pipeline
Moving platform 19,20 adjusts, is fixed.Half buried pipeline 5 is fixed by semicircle opening 21,22.Lower part buried pipeline 9 and half
Buried pipeline 5 reserves prismatic, square, circular breach, embeds arc panel, blocks breach.
4th, top buried pipeline 8 and the inside of half buried pipeline 5 implantation foil gauge, form strain
Measuring system.
5th, armorplate glass 16 is inserted into glass plate notch 7,11,13.Controlled using computer digital
Camera, is placed immediately ahead of experimental rig, alignment lens armorplate glass.
6th, the layering of the prepared soil body is packed into device, tamps soil layer using tamping plate, avoid the mistake in compacting as far as possible
Excessive interference buried pipeline 5,8,9 in journey, until soil body top layer is close at the top of device.
Part III, monitoring pipeclay change
7th, thistle board is placed on soil layer surface, and lightweight plate surface places counterweight 5kg.
8th, digital camera is controlled using computer, selects timed shooting pattern, frequency is adjusted to 30s shootings once.
9th, the arc panel being embedded in inside lower part buried pipeline 9 and half buried pipeline 5 is detached respectively.
10 at the same every 1min collection once strain system data.
First, experiment terminates
11st, computer control digital camera stops shooting, stops collecting strain system data.
12nd, counterweight and thistle board are laid down.
13rd, the removal soil body, handles discarded pipe, clears up experimental rig.
The core of the present invention is the design of pipe slides platform, it is ensured that the fixation of buried pipeline and transverse shifting.Pipeline
Pedestal upper end is equipped with the circular hole of 15 spacing distance equalizations, and nut 3 can be embedded in circular hole, form regulating system, also can
Fixed -piping stent, fixes buried pipeline indirectly.In conclusion being controlled by regulating system, definite buried pipeline can be realized
Exact position, can also fix buried pipeline, reduce existing error during experiment.
Claims (6)
- A kind of 1. physical model test device that buried pipeline impacts adjacent conduit in the case of destroying, it is characterised in that： Including apparatus main body and pipe slides platform；Described device main body includes the rectangular aperture for pipe laying sliding platform, uses It is open in the armorplate glass notch of installation armorplate glass and for installing the semicircle of half underground pipe, the rectangular aperture At left and right sides of apparatus main body, there is at least two rectangular aperture setting up and down per side, the armorplate glass notch is located at Apparatus main body is anterior, and the semicircle opening is located at apparatus main body bottom；The pipe slides platform includes sliding slot, support of pipelines And sleeve, the sliding slot are located at rectangular aperture upper and lower side, the support of pipelines is slidably located in sliding slot, and the sleeve embeds Enter set by support of pipelines in annulus, the both ends of buried pipeline are located in the sleeve of left and right respectively.
- 2. the physical experiments that a kind of buried pipeline as claimed in claim 1 impacts adjacent conduit in the case of destroying Device, it is characterised in that：The pipe slides platform further includes dial, and the dial is located above support of pipelines, by etc. Formed away from circular hole, nut can be inserted into dial by the screw hole in upper end sliding slot centre position, fixed -piping and energy control pipeline Position.
- 3. the physics mould impacted in the case of being destroyed such as claim 1 or 2 or a kind of buried pipeline to adjacent conduit Type experimental rig, it is characterised in that：The rectangular aperture upper and lower end is equipped with sliding slot, and lower end sliding slot is equipped with two bearings, described Support of pipelines is slided by the bearing in sliding slot.
- 4. the physics mould impacted in the case of being destroyed such as claim 1 or 2 or a kind of buried pipeline to adjacent conduit Type experimental rig, it is characterised in that：The semicircle opening is at the base angle of apparatus main body front end, semi-circular section and tempered glass The salty conjunction of board slot.
- 5. the physics mould impacted in the case of being destroyed such as claim 1 or 2 or a kind of buried pipeline to adjacent conduit Type experimental rig, it is characterised in that：Described device theme further includes ribbed stiffener, and the ribbed stiffener is located at apparatus main body base angle.
- 6. the physics mould impacted in the case of being destroyed such as claim 1 or 2 or a kind of buried pipeline to adjacent conduit Type experimental rig, it is characterised in that：Described device theme further includes pulley, and the pulley is located at four angles of apparatus main body bottom End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401423.4A CN107991194B (en) | 2017-12-22 | 2017-12-22 | Physical model device for influencing adjacent pipeline under condition of damage of buried pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401423.4A CN107991194B (en) | 2017-12-22 | 2017-12-22 | Physical model device for influencing adjacent pipeline under condition of damage of buried pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107991194A true CN107991194A (en) | 2018-05-04 |
| CN107991194B CN107991194B (en) | 2023-10-27 |
Family
ID=62039581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401423.4A Active CN107991194B (en) | 2017-12-22 | 2017-12-22 | Physical model device for influencing adjacent pipeline under condition of damage of buried pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107991194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956336A (en) * | 2018-05-07 | 2018-12-07 | 常州大学 | A kind of experimental rig of buried pipeline shock resistance load damping effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956336A (en) * | 2018-05-07 | 2018-12-07 | 常州大学 | A kind of experimental rig of buried pipeline shock resistance load damping effect |
| CN108956336B (en) * | 2018-05-07 | 2020-12-01 | 常州大学 | Test device for impact load and shock absorption effects of buried pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107991194B (en) | 2023-10-27 |
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