CN209264226U - The pilot system that simulation attack of terrorism ground burst influences gas pipeline - Google Patents
The pilot system that simulation attack of terrorism ground burst influences gas pipeline Download PDFInfo
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- CN209264226U CN209264226U CN201822150357.4U CN201822150357U CN209264226U CN 209264226 U CN209264226 U CN 209264226U CN 201822150357 U CN201822150357 U CN 201822150357U CN 209264226 U CN209264226 U CN 209264226U
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- gas pipeline
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Abstract
The utility model provides a kind of pilot system that simulation attack of terrorism ground burst influences gas pipeline, including environment soil layer, the blasting charge, gas pipeline and measuring equipment；Environment soil layer includes the miscellaneous fill layer on upper layer and the silty clay layer of lower layer；The sealing of gas pipeline one end, the other end is pressurization mouth, and gas pipeline is laid between miscellaneous fill layer and silty clay layer；The blasting charge is laid in miscellaneous fill layer surface, and being equidistant to gas pipeline both ends；Measuring equipment includes earth pressure gauge, acceleration transducer, multiple foil gauge groups and multiple vibration velocity testers, earth pressure gauge and acceleration transducer are laid in miscellaneous fill layer, all foil gauge groups are laid in gas pipeline outer wall, and all vibration velocity testers are laid in gas pipeline.The utility model has the beneficial effects that solving the problems, such as that earth's surface monitoring gas pipeline leads to monitor incomplete, dynamic response and failure mechanism of the announcement attack of terrorism ground burst to gas pipeline.
Description
Technical field
The utility model relates to explosions and pipeline engineering technical field more particularly to a kind of simulation attack of terrorism ground burst
The test method that gas pipeline is influenced.
Background technique
With the Development of Urbanization of China, the pipeline as oil transportation, gas transmission, water delivery etc. is almost the most important life in city
Line, however these pipelines are but processed industry, explosive factory, surface mine, stone pit, public work, or even pipe of doing it on purpose
Explosion (destruction or the attack of terrorism) near road is threatened.Unfortunately, the attack of terrorism is continuously increased, in recent years, in stone
Multiple explosion has occurred on the route of oil and gas conveyance conduit.The existing research about steel gas pipe underground blast response
Common concern finds safe explosive distance, is confined to on-site test and number more in the case that pipeline is not plastically deformed
Value simulation, and deliberate explosion (destruction or the attack of terrorism) can cause serious deformation to pipeline, be that steel gas pipe underground is quick-fried
Explode the blank of the research answered.
Utility model content
In view of this, the embodiments of the present invention provide a kind of simulation attack of terrorism ground burst to gas pipeline shadow
Loud pilot system.
The embodiments of the present invention provide a kind of test system that simulation attack of terrorism ground burst influences gas pipeline
System, including environment soil layer, the blasting charge, gas pipeline and measuring equipment；
The environment soil layer includes the miscellaneous fill layer on upper layer and the silty clay layer of lower layer；
Gas pipeline one end sealing, the other end is pressurization mouth, and the gas pipeline is laid in the miscellaneous fill layer
Between the silty clay layer；
The blasting charge is laid in the miscellaneous fill layer surface, and being equidistant to the gas pipeline both ends；
The measuring equipment includes earth pressure gauge, acceleration transducer, multiple foil gauge groups and the test of multiple vibration velocities
Instrument, the earth pressure gauge and the acceleration transducer are laid in the miscellaneous fill layer, and all foil gauge groups are laid in described
Gas pipeline outer wall, all vibration velocity testers are laid in the gas pipeline.
Further, including data collecting instrument and computer, the earth pressure gauge, the acceleration transducer, Suo Youying
Change piece group passes through data line with all vibration velocity testers respectively and connects the data collecting instrument, the data collecting instrument connection
The computer.
Further, gas pipeline pressurization mouth side is equipped with work nest, is equipped with pressurizing device, institute in the work nest
Stating pressurizing device includes pressure gauge and air boost pump, and the air boost pump is connected with the pressurization mouth with appendix, described
Pressure gauge is set on the appendix.
Further, the miscellaneous fill layer with a thickness of 2m~4m.
Further, four foil gauges are respectively arranged on the section at sealed end 2m and 4m in the gas pipeline outer wall
Group, and the four foil gauge groups at every place are distributed around the gas pipeline circumference uniform distribution, each foil gauge group includes ring
To foil gauge and axial strain piece, the hoop strain piece is for measuring the gas pipeline radial strain, the axial strain
Piece is for measuring the gas pipeline axial strain.
Further, the blasting charge is cylinder, and the blasting charge is emulsion, and the weight of the blasting charge is
200g, 400g or 600g.
The technical solution that the embodiments of the present invention provide has the benefit that the simulation of the utility model is terrified
The pilot system that ground burst influences gas pipeline is attacked, foil gauge group and vibration velocity are respectively arranged inside gas pipeline
Tester, can vibration characteristics to gas pipeline and Dynamic response characteristic carry out comprehensive test in real time, solve real feelings
Gas pipeline, which can only be monitored, in earth's surface in condition causes to monitor incomplete problem.Provided with regulatable explosive charge, the quick-fried heart away from, pipe
The parameters such as road buried depth have fully considered the complicated variety of real operating condition, further to disclose attack of terrorism ground burst to combustion
The dynamic response and failure mechanism of feed channel, summarize pipe vibration characteristic and Dynamic response characteristic provides experimental basis and research
Method provides scientific basis for the anti-seismic optimization safety and Protection of city gas pipeline.
Detailed description of the invention
Fig. 1 is the section signal for the pilot system that the utility model simulation attack of terrorism ground burst influences gas pipeline
Figure；
Fig. 2 is the partial enlargement diagram at the interface A in Fig. 1；
Fig. 3 is the schematic diagram of foil gauge group 8 in Fig. 2；
Fig. 4 is certain measuring point dynamic strain measuring datagram in embodiment；
Fig. 5 is certain measuring point vibration velocity test data figure in embodiment.
In figure: 1- gas pipeline, 2- environment soil layer, the 3- blasting charge, 4- work nest, 5- vibration velocity tester, 6- sealing
Pressurize mouth, 8- foil gauge group, 9- axial strain piece, 10- hoop strain piece for end, 7-.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Referring to FIG. 1, the embodiments of the present invention provide a kind of simulation attack of terrorism ground burst to gas pipeline
The pilot system of influence, including environment soil layer 2, the blasting charge 3, gas pipeline 1, measuring equipment, data collecting instrument and computer.
The environment soil layer 2 includes the miscellaneous fill layer on upper layer and the silty clay layer of lower layer, the thickness of the miscellaneous fill layer
For 2m~4m, the gas pipeline 1 that can probe into different buried depth is influenced by explosion.
The sealing of described 1 one end 6 of gas pipeline, the other end are pressurization mouth 7, and the gas pipeline 1 is laid in described miscellaneous fill out
Between soil layer and the silty clay layer, the pressurization of gas pipeline 17 side of mouth is equipped with work nest 4, sets in the work nest 4
There is a pressurizing device, the pressurizing device includes pressure gauge and air boost pump, and the air boost pump and the pressurization mouth are with defeated
Tracheae connection, the pressure gauge are set on the appendix, are inflated by the air boost pump to the gas pipeline 1,
It observes the pressure gauge and determines air pressure in the gas pipeline 1, by explosion shadow when probing into different air pressures in the gas pipeline 1
It rings.The length of gas pipeline 1 described in the present embodiment is 8m, and interior diameter 100cm, overall diameter 102cm, material is ductile iron pipe
Iron.
The blasting charge 3 is laid in the miscellaneous fill layer surface, and being equidistant to 1 both ends of gas pipeline, institute
Stating the blasting charge 3 can be set right above the gas pipeline 1, can also be respectively arranged at and deviate 1 axis of gas pipeline
Side 0m, 1m or 2m, probing into different explosive distances respectively is influenced the gas pipeline 1 by explosion.It is described fried in the present embodiment
Pack 3 is cylinder, and the blasting charge 3 is emulsion, and the weight of the blasting charge 3 is 200g, 400g or 600g, difference
Probing into different charge weights is influenced pipeline by explosion.
Fig. 2 and Fig. 3 are please referred to, the measuring equipment includes earth pressure gauge, acceleration transducer, multiple 8 and of foil gauge group
Multiple vibration velocity testers 5, the earth pressure gauge and the acceleration transducer are laid in the miscellaneous fill layer, Suo Youying
Become piece group 8 and be laid in 1 outer wall of gas pipeline, all vibration velocity testers 5 are laid in the gas pipeline 1.This reality
The earth pressure gauge and the acceleration transducer, the combustion gas are buried at miscellaneous fill the layer depth 1m and 0.5m in applying
Four foil gauge groups 8, the foil gauge group 8 of the four of every place is respectively arranged in 1 outer wall of pipeline on the section apart from sealed end 2m and 4m
It is distributed around 1 circumference uniform distribution of gas pipeline, can surround described in 1 circumference of gas pipeline, 4 points of settings up and down and answer
Become piece group 8, each foil gauge group 8 includes hoop strain piece 10 and axial strain piece 9, and the hoop strain piece 10 is for surveying
1 radial strain of gas pipeline is measured, the axial strain piece 9 is for measuring 1 axial strain of gas pipeline, in the combustion
Vibration velocity is respectively set at 1 inner distance of the feed channel sealed end 2m and 4m and pressurization of the gas pipeline 17 one end of mouth
Tester.
The earth pressure gauge, the acceleration transducer, all foil gauge groups 8 and all vibration velocity testers 5 difference
The data collecting instrument is connected by data line, the data collecting instrument connects the computer.
The embodiments of the present invention additionally provide a kind of examination that simulation attack of terrorism ground burst influences gas pipeline
Proved recipe method, comprising the following steps:
The embedded underground space of excavation pit as gas pipeline in silty clay layer S1, and space one end is buried at this
Work nest 4 is filled in side, foundation pit described in the present embodiment long 8m, Gao Kuanjun 1.5m；
S2 seals described 1 one end 6 of gas pipeline, and 1 other end of gas pipeline is pressurization mouth 7, and in the fuel gas conduit
Four foil gauge groups 8, and the four foil gauge groups 8 at every place are respectively arranged in 1 outer wall of road on the section apart from sealed end 2m and 4m
It is distributed around 1 circumference uniform distribution of gas pipeline, around 1 circumference of gas pipeline, 4 points of settings up and down in the present embodiment
Foil gauge group 8, each foil gauge group 8 include hoop strain piece 10 and axial strain piece 9, and the hoop strain piece 10 is used for
1 radial strain of gas pipeline is measured, the axial strain piece 9 is for measuring 1 axial strain of gas pipeline, described
At 1 inner distance of gas pipeline sealed end 2m and 4m and vibration velocity survey is respectively set in 1 other end 7 of the gas pipeline
Try instrument 5；
S3 lays the gas pipeline 1 in the embedded space, and piles up miscellaneous fill, according to the density of urban mixed fill layer
Compacting forms the miscellaneous fill layer of 2m~4m, and when compacting surveys the compactness of the soil body with penetration test, and the gas pipeline 1 is made to pressurize
Pressurizing device is arranged close to the work nest 4 in 7 one end of mouth in the work nest 4, and connects the pressurizing device with appendix
With the pressurization mouth 7.
S4 embedded earth pressure gauge and acceleration transducer at miscellaneous fill the layer depth 1m and 0.5m；
S5 passes all foil gauge groups 8, all vibration velocity testers 5, all soil pressure sensors and all acceleration
Sensor data line connects data collecting instrument, and the data collecting instrument is connected computer；
S6 arranges that the blasting charge 3, the blasting charge 3 can be set in the gas pipeline 1 just in the miscellaneous fill layer surface
Top can also be respectively arranged at and deviate described gas pipeline 1 axis side 0m, 1m or 2m, probe into different explosive distances respectively
Pipeline is influenced by explosion, before blasting work starts, debugs the data collecting instrument, detonate the blasting charge 3, Suo Youying
Become the strain data that piece group 8 acquires the gas pipeline 1, all vibration velocity testers 5 acquire the vibration of the gas pipeline 1
Data, all soil pressure sensors and all acceleration transducers acquire the miscellaneous fill layer pressure data and acceleration respectively
Degree evidence, to the end of exploding, surrounding Rock And Soil stops acquisition, and all strain datas, all vibration datas, all pressures after stablizing
Force data and all acceleration informations are transferred to the computer and save.
Above-mentioned simulation attack of terrorism ground burst further includes by the calculating on the test method that gas pipeline influences
Machine carries out data processing step, specifically: gas pipeline vibration time-history curves v (t) is constructed according to the vibration data, and
It carries out primary integral and obtains the displacement attenuation curve of the gas pipeline 1, obtain the vibration attenuation rule of the gas pipeline 1,
Fig. 5 is radial strain and the axial strain test data figure of a test point of gas pipeline 1 described in the present embodiment；
Referring to FIG. 4, above-mentioned simulation attack of terrorism ground burst further includes leading on the test method that gas pipeline influences
It crosses the computer and carries out data processing step, specifically: the dynamic strain of the gas pipeline 1 is constructed according to the strain data
Time-history curves ε (t) is converted into the dynamic stress decaying of the gas pipeline 1 using constitutive equation δ=E ε of the gas pipeline 1
Curve δ (t), obtains the Dynamic response characteristic of the gas pipeline 1, and Fig. 4 is three tests of gas pipeline 1 described in the present embodiment
The vibration velocity test data figure of point.
Above-mentioned simulation attack of terrorism ground burst further includes by the calculating on the test method that gas pipeline influences
Machine carries out data processing step, specifically: using constitutive equation δ=E ε of the gas pipeline 1, according to the gas pipeline 1
Dynamic tensile strength δ (t) calculate the maximum allowable explosive charge of the blasting charge 3, obtain the oscillatory load of the gas pipeline 1
Ability to bear.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of pilot system that simulation attack of terrorism ground burst influences gas pipeline, it is characterised in that: including environment soil
Layer, the blasting charge, gas pipeline and measuring equipment；
The environment soil layer includes the miscellaneous fill layer on upper layer and the silty clay layer of lower layer；
Gas pipeline one end sealing, the other end is pressurization mouth, and the gas pipeline is laid in the miscellaneous fill layer and institute
It states between silty clay layer；
The blasting charge is laid in the miscellaneous fill layer surface, and being equidistant to the gas pipeline both ends；
The measuring equipment includes earth pressure gauge, acceleration transducer, multiple foil gauge groups and multiple vibration velocity testers, institute
It states earth pressure gauge and the acceleration transducer is laid in the miscellaneous fill layer, all foil gauge groups are laid in the fuel gas conduit
Pipeline outer wall, all vibration velocity testers are laid in the gas pipeline.
2. the pilot system that simulation attack of terrorism ground burst influences gas pipeline, feature exist as described in claim 1
In: including data collecting instrument and computer, the earth pressure gauge, the acceleration transducer, all foil gauge groups and all vibrations
Dynamic speed measurer passes through data line respectively and connects the data collecting instrument, and the data collecting instrument connects the computer.
3. the pilot system that simulation attack of terrorism ground burst influences gas pipeline, feature exist as described in claim 1
In: gas pipeline pressurization mouth side is equipped with work nest, is equipped with pressurizing device in the work nest, the pressurizing device includes
Pressure gauge and air boost pump, the air boost pump and the pressurization mouth are connected with appendix, and the pressure gauge is set to institute
It states on appendix.
4. the pilot system that simulation attack of terrorism ground burst influences gas pipeline, feature exist as described in claim 1
In: the miscellaneous fill layer with a thickness of 2m~4m.
5. the pilot system that simulation attack of terrorism ground burst influences gas pipeline, feature exist as described in claim 1
In: four foil gauge groups, and four institutes at every place are respectively arranged in the gas pipeline outer wall on the section at sealed end 2m and 4m
It states foil gauge group to be distributed around the gas pipeline circumference uniform distribution, each foil gauge group includes hoop strain piece and axially answers
Become piece, the hoop strain piece is for measuring the gas pipeline radial strain, and the axial strain piece is for measuring the combustion
Feed channel axial strain.
6. the pilot system that simulation attack of terrorism ground burst influences gas pipeline, feature exist as described in claim 1
Be cylinder in: the blasting charge, the blasting charge is emulsion, and the weight of the blasting charge be 200g, 400g or
600g。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822150357.4U CN209264226U (en) | 2018-12-19 | 2018-12-19 | The pilot system that simulation attack of terrorism ground burst influences gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822150357.4U CN209264226U (en) | 2018-12-19 | 2018-12-19 | The pilot system that simulation attack of terrorism ground burst influences gas pipeline |
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| Publication Number | Publication Date |
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| CN209264226U true CN209264226U (en) | 2019-08-16 |
Family
ID=67560527
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822150357.4U Expired - Fee Related CN209264226U (en) | 2018-12-19 | 2018-12-19 | The pilot system that simulation attack of terrorism ground burst influences gas pipeline |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443675A (en) * | 2018-12-19 | 2019-03-08 | 中国地质大学（武汉） | The pilot system and method that simulation attack of terrorism ground burst influences gas pipeline |
| CN112902822A (en) * | 2021-01-11 | 2021-06-04 | 国家管网集团西部管道有限责任公司 | Strain testing method and device for large-scale high-pressure pipeline under explosive impact |
| CN112924269A (en) * | 2021-01-11 | 2021-06-08 | 国家管网集团西部管道有限责任公司 | Method and test device for simulating third-party damage to large-caliber high-pressure pipeline |
| CN113375883A (en) * | 2021-04-28 | 2021-09-10 | 天津钢管制造有限公司 | Tracking and judging method for full-size resonance fatigue failure of deep-sea pipeline pipe |
-
2018
- 2018-12-19 CN CN201822150357.4U patent/CN209264226U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443675A (en) * | 2018-12-19 | 2019-03-08 | 中国地质大学（武汉） | The pilot system and method that simulation attack of terrorism ground burst influences gas pipeline |
| CN112902822A (en) * | 2021-01-11 | 2021-06-04 | 国家管网集团西部管道有限责任公司 | Strain testing method and device for large-scale high-pressure pipeline under explosive impact |
| CN112924269A (en) * | 2021-01-11 | 2021-06-08 | 国家管网集团西部管道有限责任公司 | Method and test device for simulating third-party damage to large-caliber high-pressure pipeline |
| CN113375883A (en) * | 2021-04-28 | 2021-09-10 | 天津钢管制造有限公司 | Tracking and judging method for full-size resonance fatigue failure of deep-sea pipeline pipe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20191219 |