CN106289948A - Under the effect of landslide, buried fluid-transporting tubing destroys simulation laboratory test device - Google Patents
Under the effect of landslide, buried fluid-transporting tubing destroys simulation laboratory test device Download PDFInfo
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- CN106289948A CN106289948A CN201610824649.4A CN201610824649A CN106289948A CN 106289948 A CN106289948 A CN 106289948A CN 201610824649 A CN201610824649 A CN 201610824649A CN 106289948 A CN106289948 A CN 106289948A
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- 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
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Abstract
The present invention relates to the assay device of the safety of pipeline transportation in a kind of location of coming down, a kind of simulate the assay device that in stratum, landslide, fluid-transporting tubing destroys.It includes: be made up of backplate three sections of casings placed side by side on the base of landslide, a fixed gap is had between casing, interlude casing is slip stress casing equipped with action device union joint, two ends casing is not connected to action device union joint for neighbouring casing, every section of casing top is the steel lid of band counterweight tank, in order to be compacted the various soil mass in each case, bottom bottom adjustable angle, corresponding with the angle of landslide base upper bed-plate block, casing is connected with resistance wall by spring, resistance wall is fixed on the ground by ground anchor bolt with landslide base, buried pipeline crosses landslide base and each section of casing top, two ends are pumped to tube fluid by compression pump.The present invention can simulate the laboratory test that in stratum, landslide, fluid-transporting tubing destroys, and is broken to because providing test basis for buried pipeline in stratum, landslide.
Description
Art
The present invention relates to the assay device of pipeline transportation safety in a kind of location of coming down, specifically one simulation landslide
The assay device that in stratum, fluid-transporting tubing destroys.
Background technology
Buried pipeline is one of important channel of matter transportation such as oil gas, plays indispensable in commercial production is lived
Effect.Having a very wide distribution owing to having, transportation range length, pass through the features such as geological environment is complicated, pipeline unavoidably needs to wear
More mountain area cheuch, hillside fields, therefore pipe safety is subjected to the threat of the natural disasters such as landslide, stratum.Underground pipe under landslide acts on
Road is i.e. subject to from outside tension and compression stress and shear stress, again by the intrinsic pressure effect of internal oil gas: if slip mass effect
Pressure in pipeline exceeds the permissible value of pipeline, and pipeline arises that bigger stress and deformation；Intrinsic pressure at pipe interior oil gas
Under effect, some positions of pipeline will produce obvious stress and concentrate, and the lighter causes pipeline plastic yielding, and severe one will cause pipeline
Rupture, the major accident such as oil and gas leakage ignition.Present stage for pipeline and landslide one-side research all comparative maturities, and by two
Person combine carry out study the most fewer；Its research means relies primarily on numerical simulation, and the result of numerical simulation must be led to
Overtesting is verified, but does not has been reported that about the simulation test of pipeline damage under the effect of landslide at present.
Summary of the invention
It is an object of the invention to provide a kind of can simulate landslide effect under buried fluid-transporting tubing destroy test
Device.Utilize this device, can simulate the landslide soil body without soil property, external force size, external force direction, landslide angle, measure point
The analysis strain of pipeline and deformation behaviour and destructive process, for buried pipeline be broken to because of and influence factor test basis is provided.
The present invention adopts the following technical scheme that
The simulation laboratory test device that under a kind of effect of coming down, buried fluid-transporting tubing destroys, including pressurizing valve, buried
Fluid-transporting tubing, multistage casing, landslide base, spring, resistance wall, action loader, it is characterised in that: described landslide base
Being placed with the multistage casing being made up of backplate in inclined plane side by side, this multistage casing is divided into three sections, and the most intersegmental have a fixed gap, in
Between section casing be slip stress casing equipped with action device union joint, two ends casing is not connected to action device union joint for neighbouring casing,
Three sections of casing tops are the steel lid of band counterweight tank, and in order to be compacted the various soil mass in each case, bottom is that bevel angle is off-loadable replaces
The bottom changed, outside is connected with resistance wall by spring known to coefficient of elasticity.
The technique scheme of the present invention is compared with prior art, it is possible to the simulation landslide soil body big without soil property, stress
Little, stress direction, landslide angle, carry out the laboratory test that under the effect of landslide, buried fluid-transporting tubing destroys, and divides by measuring
The analysis strain of pipeline and deformation behaviour and destructive process, for buried pipeline be broken to because of and influence factor test basis is provided.
As a kind of optimal way of the present invention, described pressurizing valve is loaded on pipe ends, is pumped for gas, in simulation pipe
Fluid flows.
As a kind of optimal way of the present invention, described buried fluid-transporting tubing crosses multistage casing, the end, landslide
Seat top, inside and outside wall different parts posts resistance strain plate.
As a kind of optimal way of the present invention, described base includes firm banking, base block, and base block angle of inclination can
Unloading is replaced, corresponding with casing bottom angle.
As a kind of optimal way of the present invention, described action device union joint includes loader, ribs, steel plate,
The off-loadable replacement of action device union joint, realizes the change of external force angle by installing the ribs of different angles.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of landslide stress casing in the present invention.
Fig. 3 is the exploded view of Fig. 2.
Fig. 4 is the structural representation of the neighbouring casing in landslide in the present invention.
Fig. 5 is the exploded view of Fig. 4.
Fig. 6 is the structural representation of base in the present invention.
Fig. 7 is the exploded view of Fig. 6
In figure: 1 preformed hole, 2 fix seat, 3 resistance walls, 4 springs, 5 buried fluid-transporting tubings, 6 landslide base, 7 counterweights
Lid, the 8 neighbouring casings of slip, 9 slip stress casings, 10 steel plates, 11 ribs, 12 action loaders, 13 bottoms, 14 base blocks.
Detailed description of the invention
The present invention is described in detail in detail below in conjunction with the accompanying drawings:
In embodiments of the invention, landslide base 6 being placed with the multistage casing being made up of backplate side by side, this multistage casing divides
Becoming three sections, the most intersegmental have a fixed gap, and interlude casing is slip stress casing 9 equipped with action device union joint, two ends casing
Being not connected to action device union joint is neighbouring casing 8, and three sections of casing tops are the steel lid 7 of band counterweight tank, in order to be compacted in each case
Various soil mass, bottom is the bottom 13 of the off-loadable replacement of bevel angle, outside by spring known to coefficient of elasticity 4 and resistance wall
Connect.
As a kind of preferred structure of the present invention, pressurizing valve is loaded on buried fluid-transporting tubing 5 two ends, is used for；Fluid pump
Pressure, simulation tube fluid flowing.
As a kind of preferred structure of the present invention, buried fluid-transporting tubing crosses multistage casing, base top, landslide, outward
Wall different parts posts resistance strain plate, forms strain measurement system.
As a kind of preferred structure of the present invention, base includes come down base 6, base block 14, and base block angle of inclination can
Unloading is replaced, corresponding with casing bottom 13 angle, the destruction situation of buried pipeline during in order to simulate landslide angle difference.
As a kind of preferred structure of the present invention, action device union joint includes action loader 12, ribs 11, steel plate
10, the off-loadable replacement of action device union joint, realize the change of external force angle by replacing the ribs 11 of different angles, utilize steel
Plate 10 improves the strength and stiffness of casing, it is to avoid during loading, box frame produces excessive deformation.
Casing force way when acting on for realization MTS loading simulation landslide, in the side of slip stress casing 9 equipped with dynamic
Make device union joint, the action loader 12 in action device union joint, ribbed stiffener 11, steel plate 10 are welded, is joined by bolt
Connecing and be linked together with slidably stress casing 9, on action loader, punching connects together with MTS action device.Action device is even
The off-loadable replacement of joint, the loading direction different by changing the angle simulation of ribbed stiffener.
Landslide base 6, resistance wall 3 are fixed on ground by ground anchor bolt by the preformed hole 1 on fixing seat 2, select one
The base block 14 determining angle snaps in the base of landslide, and by bolt-connection, the bottom 13 of corresponding angle is installed on multistage casing
Bottom, puts into neighbouring for slip casing 8, slip stress casing 9 in order on the base 6 of landslide, makes buried fluid-transporting tubing 5 one
Secondary by above the base 6 of a landslide and left side (right) hole of multistage casing, and in pipe ends, force (forcing) pump is installed, with backward multistage casing
In insert the different known soil bodys and put into counterweight cover 7 and be compacted, by loading end by the load deflection of MTS pseudo device
It is loaded into the side of slip stress casing 9, it is achieved soil body landslide acts on, by measuring the buried fluid-transporting tubing of systematic survey 5
The strain of outer wall, and observation and analysis buried pipeline deformation and destructive process.
Claims (5)
1. come down the simulation laboratory test device that under acting on, buried fluid-transporting tubing destroys, including pressurizing valve, buried stream
Body conveyance conduit, multistage casing, landslide base, spring, resistance wall, action loader, it is characterised in that: described landslide base inclines
Being placed with the multistage casing being made up of backplate on inclined-plane side by side, this multistage casing is divided into three sections, and the most intersegmental have a fixed gap, centre
Section casing is slip stress casing equipped with action device union joint, and it is neighbouring casing that two ends casing is not connected to action device union joint, three
Section casing top is the steel lid of band counterweight tank, and in order to be compacted the various soil mass in each case, bottom is the off-loadable replacement of bevel angle
Bottom, outside be connected with resistance wall by spring known to coefficient of elasticity.
The assay device that landslide displacement the most according to claim 1 interacts with fluid-transporting tubing, it is characterised in that:
Described pressurizing valve is loaded on pipe ends, is pumped for fluid, simulation tube fluid flowing.
The simulation laboratory test device that under the effect of landslide the most according to claim 1, buried fluid-transporting tubing destroys, its
It is characterised by: described buried fluid-transporting tubing crosses multistage casing, base top, landslide, and inside and outside wall different parts posts resistance
Formula foil gauge.
The simulation laboratory test device that under the effect of landslide the most according to claim 1, buried fluid-transporting tubing destroys, its
It is characterised by: described base includes firm banking, base block, and the off-loadable replacement in base block angle of inclination, with casing bottom angle
Corresponding.
The simulation laboratory test device that under the effect of landslide the most according to claim 1, buried fluid-transporting tubing destroys, its
It is characterised by: described action device union joint includes loader, ribs, steel plate, and the off-loadable replacement of action device union joint, by replacing
The ribs changing different angles realizes the change of external force angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824649.4A CN106289948B (en) | 2016-09-14 | 2016-09-14 | Buried fluid-transporting tubing destroys simulation laboratory test device under the effect of landslide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824649.4A CN106289948B (en) | 2016-09-14 | 2016-09-14 | Buried fluid-transporting tubing destroys simulation laboratory test device under the effect of landslide |
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| CN106289948A true CN106289948A (en) | 2017-01-04 |
| CN106289948B CN106289948B (en) | 2019-02-15 |
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| CN201610824649.4A Active CN106289948B (en) | 2016-09-14 | 2016-09-14 | Buried fluid-transporting tubing destroys simulation laboratory test device under the effect of landslide |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036775A (en) * | 2017-03-31 | 2017-08-11 | 常州大学 | Buried pipelines conveying fluid sand liquefaction reaction test observation system |
| CN107796926A (en) * | 2017-11-26 | 2018-03-13 | 西南石油大学 | The lower large scale buried gas pipeline crash simulation experimental rig of landslide effect and method |
| CN108398531A (en) * | 2018-04-27 | 2018-08-14 | 中国矿业大学(北京) | A kind of oil-gas pipeline crosses the physical model and test method on landslide |
| CN108896736A (en) * | 2018-07-02 | 2018-11-27 | 中国矿业大学(北京) | A kind of vertical physical model and test method for wearing Landslide Hazards of oil-gas pipeline |
| 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 |
| CN109613211A (en) * | 2019-01-03 | 2019-04-12 | 同济大学 | The experimental system of pre-buried model pipeline is drawn along different directions under sand planting condition |
| CN110470533A (en) * | 2019-07-18 | 2019-11-19 | 常州大学 | Union elbow failure analysis experimental rig under a kind of soil environment |
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| JP2004361157A (en) * | 2003-06-03 | 2004-12-24 | Osaka Gas Co Ltd | Landform change monitoring system |
| CN201278198Y (en) * | 2008-09-03 | 2009-07-22 | 中国石油天然气股份有限公司 | Monitoring pre-warning system for influence of landslide to pipeline |
| CN104458565A (en) * | 2014-12-15 | 2015-03-25 | 常州大学 | Testing device for interaction of lateral displacement of soil body and buried pipeline |
| 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 |
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2016
- 2016-09-14 CN CN201610824649.4A patent/CN106289948B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004361157A (en) * | 2003-06-03 | 2004-12-24 | Osaka Gas Co Ltd | Landform change monitoring system |
| CN201278198Y (en) * | 2008-09-03 | 2009-07-22 | 中国石油天然气股份有限公司 | Monitoring pre-warning system for influence of landslide to pipeline |
| CN104458565A (en) * | 2014-12-15 | 2015-03-25 | 常州大学 | Testing device for interaction of lateral displacement of soil body and buried pipeline |
| 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 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036775A (en) * | 2017-03-31 | 2017-08-11 | 常州大学 | Buried pipelines conveying fluid sand liquefaction reaction test observation system |
| CN107796926A (en) * | 2017-11-26 | 2018-03-13 | 西南石油大学 | The lower large scale buried gas pipeline crash simulation experimental rig of landslide effect and method |
| CN108398531A (en) * | 2018-04-27 | 2018-08-14 | 中国矿业大学(北京) | A kind of oil-gas pipeline crosses the physical model and test method on landslide |
| 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 |
| CN108896736A (en) * | 2018-07-02 | 2018-11-27 | 中国矿业大学(北京) | A kind of vertical physical model and test method for wearing Landslide Hazards of oil-gas pipeline |
| CN109613211A (en) * | 2019-01-03 | 2019-04-12 | 同济大学 | The experimental system of pre-buried model pipeline is drawn along different directions under sand planting condition |
| CN109613211B (en) * | 2019-01-03 | 2021-07-02 | 同济大学 | Test system for pre-embedding model pipeline in traction sandy soil along different directions |
| CN110470533A (en) * | 2019-07-18 | 2019-11-19 | 常州大学 | Union elbow failure analysis experimental rig under a kind of soil environment |
| CN110470533B (en) * | 2019-07-18 | 2022-02-08 | 常州大学 | Analysis test device for destruction of elbow joint under soil environment |
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| CN106289948B (en) | 2019-02-15 |
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