CN107255588A - A kind of pipeclay sliding measuring method and device - Google Patents
A kind of pipeclay sliding measuring method and device Download PDFInfo
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- CN107255588A CN107255588A CN201710307591.0A CN201710307591A CN107255588A CN 107255588 A CN107255588 A CN 107255588A CN 201710307591 A CN201710307591 A CN 201710307591A CN 107255588 A CN107255588 A CN 107255588A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 58
- 230000001133 acceleration Effects 0.000 claims abstract description 41
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 19
- 238000002474 experimental method Methods 0.000 abstract description 7
- 230000008846 dynamic interplay Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
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- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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- 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
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- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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Abstract
The invention discloses a kind of pipeclay sliding measuring method and device, for solving to be difficult to the technical problem that measurement pipe soil contact face slides in the experiment of buried pipeline soil body dynamic interaction.Pipeclay sliding measurement apparatus includes：Dynamic data acquiring instrument, accelerometer, bracing wire displacement meter, data wire, magnetic bases, screw rod.Wherein, magnetic bases are fixed on buried pipeline side, screw rod is fixed on buried pipeline one end, first accelerometer is arranged on magnetic bases, second accelerometer is embedded in the soil body, the graduation mark of bracing wire displacement meter is fixed on screw rod, and accelerometer and bracing wire displacement meter are connected in dynamic data acquiring instrument by data wire.The acceleration magnitude that multiple accelerometers are measured in different measurement point positions is gathered in real time, slippage of the different peak value earthquake motion effect down tube soil contact faces with the time is obtained according to acceleration magnitude, the shift value measured simultaneously with the bracing wire displacement meter that gathers in real time is compared, and improves pipeclay sliding measurement accuracy.
Description
Technical field
The application is related to shock test technical field, more particularly to a kind of pipeclay sliding measuring method and device.
Background technology
In the interaction experiment of the buried pipeline-soil body, due to answering that soil body material characteristic and seismic wave are propagated in soil
Polygamy, pipe-soil sliding is always the problem of test.It is difficult to measurement pipe-soil in buried pipeline-soil body dynamic interaction experiment to connect
Contacting surface slides.
The content of the invention
Invention provides a kind of pipeclay sliding measuring method and device, for solving buried pipeline-soil body power phase
It is difficult to the technical problem of measurement pipe-soil contact face sliding in interaction experiment.
In order to solve the above technical problems, measurement apparatus is slid the invention provides a kind of pipeclay, including：Magnetic bases, spiral shell
Bar, the first accelerometer, the second accelerometer, bracing wire displacement meter, data wire, dynamic data acquiring instrument；
Wherein, the magnetic bases are fixed on the side of buried pipeline, and the screw rod is fixed on the one of the buried pipeline
End；
First accelerometer is arranged on the magnetic bases；
Second accelerometer is embedded in the soil body；
The graduation mark of the bracing wire displacement meter is fixed on the screw rod；
First accelerometer, second accelerometer and the bracing wire displacement meter are connected by the data wire respectively
It is connected in the dynamic data acquiring instrument.
It is preferred that, first accelerometer is at least 3, is evenly distributed on the buried pipeline.
It is preferred that, second accelerometer is at least 3, is evenly distributed in the soil body.
It is preferred that, position of first accelerometer on the magnetic bases is relative with second accelerometer
Corresponded in the position of the buried pipeline.
It is preferred that, the number of the magnetic bases and first accelerometer is corresponded；
Wherein, the magnetic bases are relative to the position of the buried pipeline, and second accelerometer is relative to institute
The position for stating buried pipeline is identical.
Measuring method is slid the invention discloses a kind of pipeclay, methods described is applied in any claims of claim 1-5
In pipeclay sliding measurement apparatus, methods described includes：
The first acceleration magnitude of first accelerometer is gathered in real time；
The second acceleration magnitude of second accelerometer is gathered in real time；
Connect based on first acceleration magnitude peak value earthquake motion effect down tube-soil different with the second acceleration magnitude acquisition
Contacting surface with the time slippage；
The corresponding shift value that collection bracing wire displacement meter is measured in real time；
The corresponding shift value that the slippage and the bracing wire displacement meter are measured is compared.
It is preferred that, including：It is described based on first acceleration magnitude and the different peak values of the second acceleration magnitude acquisition
Shock effect down tube-soil contact face with the time slippage, including：
Under different peak value earthquake motions effect, the distance of the buried pipeline is determined based on first acceleration magnitude；
Under different peak value earthquake motions effect, the distance of the soil body is determined based on second acceleration magnitude；
Under different peak value earthquake motions effect, the distance of distance and the soil body based on the buried pipeline is determined
Pipe-soil contact face with the time slippage.
By one or more technical scheme of the present invention, the invention has the advantages that or advantage：
It is mutual for solving buried pipeline-soil body power the invention discloses a kind of pipeclay sliding measuring method and device
It is difficult to the technical problem of measurement pipe-soil contact face sliding in Experiment on Function.Pipeclay sliding measurement apparatus includes：Dynamic data is adopted
Collect instrument, accelerometer, bracing wire displacement meter, data wire, magnetic bases, screw rod.Wherein, magnetic bases are fixed on buried pipeline one
Side, screw rod is fixed on buried pipeline one end, and the first accelerometer is arranged on magnetic bases, and the second accelerometer is embedded in the soil body
In, the graduation mark of bracing wire displacement meter is fixed on screw rod, and accelerometer and bracing wire displacement meter are connected to dynamic number by data wire
According on Acquisition Instrument.The acceleration magnitude that multiple accelerometers are measured in different measurement point positions is gathered in real time, is obtained not according to acceleration magnitude
Slippage of the down tube-soil contact face with the time is acted on peak value earthquake motion, while measured with the bracing wire displacement meter that gathers in real time
Shift value is compared, and improves pipe-soil sliding measurement accuracy.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of pipeclay sliding measuring method in the embodiment of the present invention；
Fig. 2 is operation chart of a kind of pipeclay sliding measuring method in real process in the embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of pipeclay sliding measurement apparatus in the embodiment of the present invention.
Description of reference numerals：Magnetic bases 1, screw rod 2, the first accelerometer 3-1, the second accelerometer 3-2, bracing wire displacement
Meter 4, data wire 5, dynamic data acquiring instrument 6, computer 7.
Embodiment
In order that the application the technical staff in the technical field is more clearly understood that the application, below in conjunction with the accompanying drawings,
Technical scheme is described in detail by specific embodiment.
The present invention sets one group of accelerometer to be located on buried pipeline, sets another group of accelerometer to be located in the soil body, real
When gather the acceleration magnitude that this two groups of accelerometers are measured in different measurement point positions, different peak value earthquake motions are obtained according to acceleration magnitude
Act on slippage of the down tube-soil contact face with the time；In addition, set bracing wire displacement meter to be located at buried pipeline one end, collection in real time
Different peak value earthquake motion effect underground pipelines are contrasted with the shift value of time.Based on above-mentioned 2 points, pipeclay sliding measurement side
Method and device can be easy to measurement outlet pipe-soil contact face sliding, improve pipe-soil sliding measurement effect.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
With reference to shown in Fig. 1~Fig. 2, pipeclay sliding measuring method provided in an embodiment of the present invention and device, including：Magnetic bottom
Seat 1, screw rod 2, the first accelerometer 3-1, the second accelerometer 3-2, bracing wire displacement meter 4, data wire 5, dynamic data acquiring instrument
6。
Wherein, magnetic bases 1 are fixed on buried pipeline side, and screw rod 2 is fixed on buried pipeline one end, the first accelerometer
3-1 is arranged on magnetic bases 1, and the second accelerometer 3-2 is embedded in the soil body, and the graduation mark of bracing wire displacement meter 4 is fixed on spiral shell
On bar 2, the first accelerometer 3-1, the second accelerometer 3-2 and bracing wire displacement meter 4 are connected to dynamic data by data wire 5 and adopted
Collect on instrument 6.
When dynamic data acquiring instrument 6 collects the first accelerometer 3-1, the second respective acceleration magnitudes of accelerometer 3-2
While, it can also gather the corresponding time.
The concrete structure of the present apparatus is described below.
The first accelerometer 3-1 is at least 3, is evenly distributed on the buried pipeline.Set on buried pipeline
Be magnetic base 1, and magnetic bases 1 and the first accelerometer 3-1 number are corresponded.
The second accelerometer 3-2 is at least 3, is evenly distributed in the soil body.
What it is due to measurement is pipe-soil contact face sliding, so for the first accelerometer 3-1 and the second accelerometer 3-2
Relative position have require.
Positions of the first accelerometer 3-1 on the magnetic bases 1, it is relative with the second accelerometer 3-2
Corresponded in the position of the buried pipeline.Specifically, magnetic bases 1, the first accelerometer 3-1, the second accelerometer
The 3-2 numbers of these three are communicated.And the magnetic bases 1 are relative to the position of the buried pipeline, and described second plus
Speedometer 3-2 is identical relative to the position of the buried pipeline.Only difference is that magnetic bases 1 are arranged on buried pipeline,
And the second accelerometer 3-2 is arranged in the soil body, but two positions relative to buried pipeline are identicals.
Below, with reference to Fig. 1, Fig. 2, the process of the test of a kind of pipeclay sliding measuring method of citing description and device, but not
For limiting the present invention.
In specific implementation process, the present invention has invented the specific implementation process that a kind of pipeclay slides measuring method, bag
Include：
Step 11, the first acceleration magnitude of first accelerometer is gathered in real time.
Step 12, the second acceleration magnitude of second accelerometer is gathered in real time.
When collecting two groups of acceleration magnitudes, it is necessary to while record the time of its collection.
Step 13, based under first acceleration magnitude peak value earthquake motion effect different with the second acceleration magnitude acquisition
Pipe-soil contact face with the time slippage.
Specifically, under different peak value earthquake motions effect, the underground pipe is determined based on first acceleration magnitude
The distance of line；
Under different peak value earthquake motions effect, the distance of the soil body is determined based on second acceleration magnitude；
Under different peak value earthquake motions effect, the distance of distance and the soil body based on the buried pipeline is determined
Pipe-soil contact face with the time slippage.
In specific implementation process, the present invention is said so that some peak value geological process gets off to calculate slippage as an example
It is bright.
Assuming that the first acceleration magnitude is a1, the second acceleration magnitude is a2, is to be corresponded to when collecting two acceleration magnitudes
Time t, be then based on the displacement s1 that the first acceleration magnitude a1, time t obtain buried pipeline.Based on the first acceleration magnitude a2,
Time t obtains the displacement s2 of the soil body.The difference for being then based on both obtains the slippage of buried pipeline.
Step 14, the corresponding shift value that collection bracing wire displacement meter is measured in real time.
Step 15, the corresponding shift value slippage and the bracing wire displacement meter measured is compared.
The present invention is first tried to achieve after slippage, recycles bracing wire displacement meter to measure shift value, then both are compared,
Comparison result is obtained, to verify slippage, and then pipe-soil sliding measurement effect is improved.
In actual applications, implementation process of the invention is as follows：
Step 1, preparation model case, the model soil body and test line；
Step 2, magnetic bases 1 are fixed on test line side, screw rod 2 is fixed on test line one end；
Step 3, by the first accelerometer 3-1 be arranged on magnetic bases 1 on, carry out waterproof sealing；
Step 4, test line is arranged in the model soil body, and it is latter that the second accelerometer 3-2 is carried out into waterproof sealing
And position corresponding with the first accelerometer 3-1 is embedded in the soil body；
Step 5, will bracing wire displacement meter 4 graduation mark pull out after be fixed on screw rod 2；
Step 6, by data wire 5, the first accelerometer 3-1, the second accelerometer 3-2, bracing wire displacement meter 4 are connected to
In dynamic data acquiring instrument 6, and dynamic data acquiring instrument 6 is connected to computer 7.
Step 7, startup all appts facility switching, are zeroed out and debug.
Step 8, start the sliding measurement experiment of pipe-soil.
Step 9, the acceleration that collection the first accelerometer 3-1 and the second accelerometer 3-2 is measured in different measurement point positions in real time
Angle value, the shift value that collection bracing wire displacement meter is measured in real time.
Step 10, different peak value earthquake motions obtained according to acceleration magnitude act on slippage of the down tube-soil contact faces with the time,
And the shift value measured with bracing wire displacement meter is compared.
It is mutual for solving buried pipeline-soil body power the invention discloses a kind of pipeclay sliding measuring method and device
It is difficult to the technical problem of measurement pipe-soil contact face sliding in Experiment on Function.Pipeclay sliding measurement apparatus includes：Dynamic data is adopted
Collect instrument, accelerometer, bracing wire displacement meter, data wire, magnetic bases, screw rod.Wherein, magnetic bases are fixed on buried pipeline one
Side, screw rod is fixed on buried pipeline one end, and the first accelerometer is arranged on magnetic bases, and the second accelerometer is embedded in the soil body
In, the graduation mark of bracing wire displacement meter is fixed on screw rod, and accelerometer and bracing wire displacement meter are connected to dynamic number by data wire
According on Acquisition Instrument.The acceleration magnitude that multiple accelerometers are measured in different measurement point positions is gathered in real time, is obtained not according to acceleration magnitude
Slippage of the down tube-soil contact face with the time is acted on peak value earthquake motion, while measured with the bracing wire displacement meter that gathers in real time
Shift value is compared, and improves pipe-soil sliding measurement accuracy.
By one or more embodiment of the present invention, the invention has the advantages that or advantage：
1st, due to the pipeclay sliding measuring method and device in the embodiment of the present invention, the first accelerometer is set to be located at buried
On pipeline, the second accelerometer is set to be located in the soil body, the first accelerometer of collection, the second accelerometer are in different measurements in real time
The acceleration magnitude that point position is measured, obtains different peak value earthquake motions according to acceleration magnitude and acts on cunning of the down tube-soil contact face with the time
Shifting amount；Set bracing wire displacement meter to be located at buried pipeline one end, different peak value earthquake motions are gathered in real time and act on underground pipelines with the time
Shift value is contrasted.Based on above-mentioned 2 points, pipeclay sliding measuring method and device improve pipe-soil sliding measurement effect.
2nd, the pipeclay sliding measurement apparatus in the embodiment of the present invention is not only assembled simply, and without customization, therefore debug
It is more convenient with application.
Although having been described for the preferred embodiment of the application, one of ordinary skilled in the art once knows substantially
Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag
Include preferred embodiment and fall into having altered and changing for the application scope.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these changes and modification.
Claims (7)
1. a kind of pipeclay slides measurement apparatus, it is characterised in that including：Magnetic bases, screw rod, the first accelerometer, second add
Speedometer, bracing wire displacement meter, data wire, dynamic data acquiring instrument；
Wherein, the magnetic bases are fixed on the side of buried pipeline, and the screw rod is fixed on one end of the buried pipeline；
First accelerometer is arranged on the magnetic bases；
Second accelerometer is embedded in the soil body；
The graduation mark of the bracing wire displacement meter is fixed on the screw rod；
First accelerometer, second accelerometer and the bracing wire displacement meter are connected to by the data wire respectively
In the dynamic data acquiring instrument.
2. device as claimed in claim 1, it is characterised in that
First accelerometer is at least 3, is evenly distributed on the buried pipeline.
3. device as claimed in claim 2, it is characterised in that
Second accelerometer is at least 3, is evenly distributed in the soil body.
4. device as claimed in claim 3, it is characterised in that position of first accelerometer on the magnetic bases
Put, the position with second accelerometer relative to the buried pipeline is corresponded.
5. device as claimed in claim 4, it is characterised in that
The number of the magnetic bases and first accelerometer is corresponded；
Wherein, the magnetic bases are relative to the position of the buried pipeline, and second accelerometer buries relative to described
The position of ground pipeline is identical.
6. a kind of pipeclay slides measuring method, methods described applies the pipeclay sliding measurement dress in any claims of claim 1-5
In putting, it is characterised in that methods described includes：
The first acceleration magnitude of first accelerometer is gathered in real time；
The second acceleration magnitude of second accelerometer is gathered in real time；
Based on first acceleration magnitude peak value earthquake motion effect down tube-soil contact face different with the second acceleration magnitude acquisition
With the slippage of time；
The corresponding shift value that collection bracing wire displacement meter is measured in real time；
The corresponding shift value that the slippage and the bracing wire displacement meter are measured is compared.
7. method as claimed in claim 6, it is characterised in that including：It is described based on first acceleration magnitude and described the
Two acceleration magnitudes obtain slippage of the different peak value earthquake motion effect down tube-soil contact faces with the time, including：
Under different peak value earthquake motions effect, the distance of the buried pipeline is determined based on first acceleration magnitude；
Under different peak value earthquake motions effect, the distance of the soil body is determined based on second acceleration magnitude；
Under different peak value earthquake motions effect, the distance of distance and the soil body based on the buried pipeline determines outlet pipe-soil
Contact surface with the time slippage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307591.0A CN107255588A (en) | 2017-05-03 | 2017-05-03 | A kind of pipeclay sliding measuring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307591.0A CN107255588A (en) | 2017-05-03 | 2017-05-03 | A kind of pipeclay sliding measuring method and device |
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| CN107255588A true CN107255588A (en) | 2017-10-17 |
Family
ID=60027668
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| CN201710307591.0A Pending CN107255588A (en) | 2017-05-03 | 2017-05-03 | A kind of pipeclay sliding measuring method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932116A (en) * | 2019-02-25 | 2019-06-25 | 河海大学 | A kind of side friction and bottom bearing test macro and measurement method |
| CN110260772A (en) * | 2019-06-14 | 2019-09-20 | 上海交通大学 | The system and method for measurement soil and underground structure dynamic Relative sliding time-histories and path |
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| CN207036548U (en) * | 2017-05-03 | 2018-02-23 | 中国石油天然气集团公司 | A kind of pipeclay slides measurement apparatus |
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| US20050126256A1 (en) * | 2003-12-16 | 2005-06-16 | Fina Technology, Inc. | Accelerated method to determine or predict failure time in polyethylenes |
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Application publication date: 20171017 |