CN110118648A - A kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its test method - Google Patents
A kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its test method Download PDFInfo
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- CN110118648A CN110118648A CN201910345301.0A CN201910345301A CN110118648A CN 110118648 A CN110118648 A CN 110118648A CN 201910345301 A CN201910345301 A CN 201910345301A CN 110118648 A CN110118648 A CN 110118648A
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- pipe culvert
- test
- fixture
- drive rod
- pipe
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Invention provides a kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its test method.The pipe culvert pilot system includes testing stand, two groups of drive systems, pipe culvert test flume and Test Data Acquisition System.The testing stand includes upper platform plate and lower layer's platform board, and the supporting leg of support the upper platform plate and lower layer's platform board.Every group of drive system includes driving motor, pipe culvert fixture, drive rod and guide rail.The guide rail is fixed on lower layer's platform board.When test, the soil body is filled in rectangular box.The pipe culvert is arranged in rectangular box, and both ends are clamped by pipe culvert fixture.The length direction of the pipe culvert and the direction of guide rail are vertical.The driving motor driving drive rod moves on guide rail, and then adjusts the horizontal position of pipe culvert.The pipe culvert pilot system carries out drainpipe sinking deformation monitoring simulated experiment in the lab.
Description
Technical field
The present invention relates to technical field of civil engineering, in particular to pipe culvert experimental system.
Background technique
Urban drainage pipe network is with Urban Flood control, rain sewage discharge and disposal, recycled water Commercial cultivation and Treatment of Sludge
Etc. functions service infrastructure.Under normal conditions, the main reason for aging, burn into disturbance are drainage pipeline damages.In recent years
Come, urban track traffic and deep-foundation pit engineering increasingly sharpen to the disturbance of urban drainage pipe network, and pipe sedimentation deformation, is seeped at rupture
Leakage causes surface collapse accident and happens occasionally, and seriously threatens the safety of life and property of citizen.To realize the automatic of drainpipe
Change monitoring and warning, effectively prevents the security risk of pre-control municipal drainage pipe, the prison for needing experimental study and municipal drainage pipe to be adapted
Survey project, monitoring technology, monitoring instrument equipment, monitoring method and Con trolling index.Carry out drainpipe sedimentation and deformation in the lab
Simulated experiment is monitored, can solve the problem of that drainpipe is embedded in underground experimental work inconvenience development.
Summary of the invention
The object of the present invention is to provide a kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its examinations
Proved recipe method, to solve problems of the prior art.
To realize the present invention purpose and the technical solution adopted is that a kind of such, pipe culvert-under inhomogeneous deformation
Soil interaction pilot system, including testing stand, pipe culvert test flume, two groups of drive systems and Test Data Acquisition System.
The testing stand includes upper platform plate and lower layer's platform board, and the support upper platform plate and lower layer's platform
The supporting leg of plate.Rectangle hole is provided in the plate face of the upper platform plate.
The pipe culvert test flume includes test trough floor and two blocks of test flume side plates.The test trough floor is fixed on upper layer
The lower surface of platform board.The test trough floor blocks the middle part of rectangle hole.The test flume side plate is arranged vertically on examination
Check of foundation subsoil plate upper surface.
Every group of drive system includes driving motor, pipe culvert fixture, drive rod and guide rail.The pipe culvert fixture is generally
One rectangular blocks.This rectangular blocks is provided centrally with the holding holes to match with pipe culvert sectional dimension.The pipe culvert folder
Tool can axially and symmetrically be split as two pieces of clamp bodies.After two pipe culvert fixtures stretch out rectangle hole, it is arranged in test flume bottom
Plate two sides.The lower surface of the pipe culvert fixture is concordant with the lower surface of upper platform plate.The test flume side plate and pipe culvert fixture
Connection.The pipe culvert test flume and pipe culvert fixture surround a rectangular box out.The guide rail is fixed on lower layer's platform board.Institute
Stating drive rod includes drive rod main body and the interconnecting piece for being arranged in drive rod main body side.The drive rod main body is placed in guide rail
Top.The drive rod main body is fixedly connected with pipe culvert fixture.The driving motor is arranged on lower layer's platform board.The driving
The output end of motor is connect with interconnecting piece.
The Test Data Acquisition System includes two graduated scales, earth pressure test system, strain measurement system and data
Collection system.The graduated scale is arranged on upper platform plate.Described two graduated scales are arranged in the two sides of rectangle hole.
The earth pressure test system includes the soil pressure cell being embedded in the soil body.The strain measurement system includes being affixed on pipe culvert surface
Effector.The earth pressure test system and strain measurement system are connected with data gathering system.
When test, the soil body is filled in rectangular box.The pipe culvert is arranged in rectangular box, and both ends are pressed from both sides by pipe culvert fixture
It holds.The length direction of the pipe culvert and the direction of guide rail are vertical.The driving motor driving drive rod moves on guide rail, tests
Slot side plate follows pipe culvert fixture to move horizontally, and then adjusts the horizontal position of pipe culvert.
Further, the drive system further includes displacement controlling switch.The displacement controlling switch is connected with driving motor.
Invention additionally discloses a kind of test methods about above-mentioned pipe culvert pilot system, comprising the following steps:
1) pipe culvert is placed, and is clamped with pipe culvert fixture.
2) soil body is filled in rectangular box.
3) Test Data Acquisition System is laid, reads initial value after being debugged.
4) drive rod, simulation pipe culvert sedimentation are adjusted.
5) test data is acquired.
6) Test Data Acquisition System is removed, pipe culvert is unloaded.
Further, in step 2), in test flume plate upper surface coating lubricating oil.
The solution have the advantages that unquestionable:
A. it can carry out the horizontal load-bearing deformation simulative test of drainpipe sinking deformation monitoring simulation test, pile body in the lab
With track for a train sedimentation and deformation simulation test, pilot system practicability and adaptability are good；
B. test system architecture is simple, and test result is reliable.
Detailed description of the invention
Fig. 1 is test system architecture schematic diagram；
Fig. 2 is pilot system cross-sectional view；
Fig. 3 is drive system schematic diagram；
Fig. 4 is pipe culvert clamp structure schematic diagram；
Fig. 5 is that pipe culvert tests slot structure schematic diagram.
In figure: testing stand 1, upper platform plate 101, rectangle hole 1011, lower layer's platform board 102, supporting leg 103, motor
2, pipe culvert fixture 3, holding holes 301, clamp body 302, drive rod 4, drive rod main body 401, interconnecting piece 402, test flume side plate 5,
Test trough floor 6, pipe culvert 8, graduated scale 13, displacement controlling switch 14, driving guide rail 15.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
Referring to Fig. 1 and Fig. 2, the present embodiment discloses a kind of pipe culvert under inhomogeneous deformation-soil interaction test system
System, including testing stand 1, pipe culvert test flume, two groups of drive systems and Test Data Acquisition System.
The testing stand 1 includes upper platform plate 101 and lower layer's platform board 102, and the support upper platform plate 101
With the supporting leg 103 of lower layer platform board 102.Rectangle hole 1011 is provided in the plate face of the upper platform plate 101.
Referring to fig. 4, the pipe culvert test flume includes test trough floor 6 and two blocks of test flume side plates 5.The test trough floor
6 are fixed on the lower surface of upper platform plate 101.The test trough floor 6 blocks the middle part of rectangle hole 1011.The test
Slot side plate 5 is arranged vertically on test 6 upper surface of trough floor.
Referring to Fig. 3, every group of drive system includes driving motor 2, pipe culvert fixture 3, drive rod 4 and guide rail 15.Referring to
Fig. 4, a pipe culvert fixture 3 generally rectangular blocks.This rectangular blocks is provided centrally with and 8 sectional dimension phase of pipe culvert
Matched holding holes 301.In actual production, holding holes 301 be provided in round according to pipe culvert 8, the shapes such as rectangle.The pipe culvert
Fixture 3 can axially and symmetrically be split as two pieces of clamp bodies 302.After two pipe culvert fixtures 3 stretch out rectangle hole 1011, it is respectively arranged
In test 6 two sides of trough floor.The lower surface of the pipe culvert fixture 3 is concordant with the lower surface of upper platform plate 101.The test flume
Side plate 5 is connect with pipe culvert fixture 3.The pipe culvert test flume and pipe culvert fixture 3 surround a rectangular box out.The guide rail 15 is solid
It is scheduled on lower layer's platform board 102.The drive rod 4 includes drive rod main body 401 and the company for being arranged in 401 side of drive rod main body
Socket part 402.The drive rod main body 401 is placed in 15 top of guide rail.The drive rod main body 401 and the fixed company of pipe culvert fixture 3
It connects.The driving motor 2 is arranged on lower layer's platform board 102.The output end of the driving motor 2 is connect with interconnecting piece 402.
The Test Data Acquisition System includes two graduated scales 13, earth pressure test system, strain measurement system sum number
According to collection system.The graduated scale 13 is arranged on upper platform plate 101.Described two graduated scales 13 are arranged in rectangular opening
The two sides in hole 1011.The earth pressure test system includes the soil pressure cell being embedded in the soil body.The strain measurement system packet
Include the effector for being affixed on 8 surface of pipe culvert.The earth pressure test system and strain measurement system are connected with data gathering system.
When test, the soil body is filled in rectangular box.The pipe culvert 8 is arranged in rectangular box, and both ends are pressed from both sides by pipe culvert fixture 3
It holds.The length direction of the pipe culvert 8 is vertical with the direction of guide rail 15.The driving motor 2 drives drive rod 4 to transport on guide rail 15
Dynamic, test flume side plate 5 follows pipe culvert fixture 3 to move horizontally, and then adjusts the horizontal position of pipe culvert 8.
In actual production, the drive system further includes displacement controlling switch 14.The displacement controlling switch 14 and drive
Dynamic motor 2 is connected.
Embodiment 2:
The present embodiment discloses a kind of test method of pipe culvert pilot system described in embodiment 1, comprising the following steps:
1) testing stand 1 is placed into appropriate location, powered on.Two groups of pipe culvert fixtures 3 are adjusted to original position.
2) it is placed centrally pipe culvert 8, and is clamped with pipe culvert fixture 3.
3) in test 6 upper surface coating lubricating oil of trough floor.The soil body is filled in rectangular box, until the soil body covers pipe culvert
8 upper surfaces.
4) Test Data Acquisition System is laid, reads initial value after being debugged.
5) drive rod 4 is adjusted, simulation pipe culvert 8 settles.
6) reading of the experimental bench number record pointer on scale is pressed, monitoring device acquires test data.
7) Test Data Acquisition System is removed, pipe culvert 8 is unloaded.
8) data processing, according to the relationship and the displacement of pipe culvert 8 and strain between the displacement of data research pipe culvert 8 and internal force
Between relationship.
Claims (4)
1. a kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system, it is characterised in that: including testing stand (1),
Pipe culvert test flume, two groups of drive systems and Test Data Acquisition System；
The testing stand (1) includes upper platform plate (101) and lower layer's platform board (102), and the support upper platform plate
(101) and the supporting leg (103) of lower layer's platform board (102)；Rectangle hole is provided in the plate face of the upper platform plate (101)
(1011)；
The pipe culvert test flume includes test trough floor (6) and two pieces of test flume side plates (5)；The test trough floor (6) is fixed
In the lower surface of upper platform plate (101)；Test trough floor (6) blocks the middle part of rectangle hole (1011)；The examination
Check of foundation subsoil side plate (5) is arranged vertically on test trough floor (6) upper surface；
Every group of drive system includes driving motor (2), pipe culvert fixture (3), drive rod (4) and guide rail (15)；The pipe culvert
Fixture (3) generally rectangular blocks；The folder that be provided centrally with and pipe culvert (8) sectional dimension of this rectangular blocks match
Hold hole (301)；The pipe culvert fixture (3) can axially and symmetrically be split as two pieces of clamp bodies (302)；Two pipe culvert fixtures (3) are stretched
Out after rectangle hole (1011), it is arranged in test trough floor (6) two sides；The lower surface and upper layer of the pipe culvert fixture (3)
The lower surface of platform board (101) is concordant；The test flume side plate (5) connect with pipe culvert fixture (3)；The pipe culvert test flume and pipe
Contain fixture (3) and surrounds a rectangular box out；The guide rail (15) is fixed on lower layer's platform board (102)；The drive rod (4)
Including drive rod main body (401) and it is arranged in the interconnecting piece (402) of drive rod main body (401) side；The drive rod main body
(401) it is placed in above guide rail (15)；The drive rod main body (401) is fixedly connected with pipe culvert fixture (3)；The driving motor
(2) it is arranged on lower layer's platform board (102)；The output end of the driving motor (2) is connect with interconnecting piece (402)；
The Test Data Acquisition System includes two graduated scales (13), earth pressure test system, strain measurement system and data
Collection system；The graduated scale (13) is arranged on upper platform plate (101)；Described two graduated scales (13) are arranged in square
The two sides of shape hole (1011)；The earth pressure test system includes the soil pressure cell being embedded in the soil body；The strain testing
System includes the effector for being affixed on pipe culvert (8) surface；The earth pressure test system and strain measurement system are and data collection
System is connected.
When test, the soil body is filled in rectangular box；The pipe culvert (8) is arranged in rectangular box, and both ends are pressed from both sides by pipe culvert fixture (3)
It holds；The length direction of the pipe culvert (8) is vertical with the direction of guide rail (15)；Driving motor (2) driving drive rod (4) is being led
Rail moves on (15), and test flume side plate (5) follows pipe culvert fixture (3) to move horizontally, and then adjusts the horizontal position of pipe culvert (8).
2. a kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system according to claim 1, feature
Be: the drive system further includes displacement controlling switch (14)；The displacement controlling switch (14) and driving motor (2) phase
Even.
3. a kind of test method about pipe culvert pilot system described in claim 1, which comprises the following steps:
1) pipe culvert (8) are placed, and is clamped with pipe culvert fixture (3)；
2) soil body is filled in rectangular box；
3) Test Data Acquisition System is laid, reads initial value after being debugged；
4) drive rod (4) are adjusted, simulation pipe culvert (8) sedimentation；
5) test data is acquired；
6) Test Data Acquisition System is removed, pipe culvert (8) are unloaded.
4. a kind of test method according to claim 3, it is characterised in that: in step 2), the table in test trough floor (6)
Face coating lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345301.0A CN110118648A (en) | 2019-04-26 | 2019-04-26 | A kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345301.0A CN110118648A (en) | 2019-04-26 | 2019-04-26 | A kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its test method |
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| Publication Number | Publication Date |
|---|---|
| CN110118648A true CN110118648A (en) | 2019-08-13 |
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ID=67521511
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345301.0A Pending CN110118648A (en) | 2019-04-26 | 2019-04-26 | A kind of pipe culvert under inhomogeneous deformation-soil interaction pilot system and its test method |
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| Country | Link |
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| CN (1) | CN110118648A (en) |
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| CN202916109U (en) * | 2012-11-23 | 2013-05-01 | 中国地质大学（武汉） | Multifunctional experimental device for simulating pipe-clay effect |
| CN103217348A (en) * | 2013-04-12 | 2013-07-24 | 同济大学 | Testing device for simulating mechanical behaviors of gravel soil subgrade under reciprocating traffic moving load |
| JP2015121409A (en) * | 2013-12-20 | 2015-07-02 | 株式会社東芝 | Buried pipe inspection apparatus and buried pipe inspection method |
| CN105699287A (en) * | 2016-03-15 | 2016-06-22 | 天津大学 | Unconstrained pipe section axial cyclic loading testing system |
| CN106092553A (en) * | 2016-08-12 | 2016-11-09 | 北京城建勘测设计研究院有限责任公司 | A kind of simulated experiment platform for drain pipe sinking deformation monitoring and monitoring method |
| CN205844203U (en) * | 2016-07-21 | 2016-12-28 | 天津大学 | Submerged pipeline level is to pipeclay interaction test system |
| CN107024574A (en) * | 2017-05-01 | 2017-08-08 | 刘华 | A kind of soil arching effect simulation test device and test method |
| CN207456799U (en) * | 2017-11-22 | 2018-06-05 | 上海工程技术大学 | A kind of experimental rig of analog orbit traffic tunnel differential settlement |
| CN108896513A (en) * | 2018-05-17 | 2018-11-27 | 南京大学 | It is a kind of for analyze surface subsidence on pipeclay interaction influence experimental rig and method |
| CN109342215A (en) * | 2018-09-03 | 2019-02-15 | 南通市通佳工程质量检测有限公司 | A kind of automatic type tubing flexibility test instrument |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202916109U (en) * | 2012-11-23 | 2013-05-01 | 中国地质大学（武汉） | Multifunctional experimental device for simulating pipe-clay effect |
| CN103217348A (en) * | 2013-04-12 | 2013-07-24 | 同济大学 | Testing device for simulating mechanical behaviors of gravel soil subgrade under reciprocating traffic moving load |
| JP2015121409A (en) * | 2013-12-20 | 2015-07-02 | 株式会社東芝 | Buried pipe inspection apparatus and buried pipe inspection method |
| CN105699287A (en) * | 2016-03-15 | 2016-06-22 | 天津大学 | Unconstrained pipe section axial cyclic loading testing system |
| CN205844203U (en) * | 2016-07-21 | 2016-12-28 | 天津大学 | Submerged pipeline level is to pipeclay interaction test system |
| CN106092553A (en) * | 2016-08-12 | 2016-11-09 | 北京城建勘测设计研究院有限责任公司 | A kind of simulated experiment platform for drain pipe sinking deformation monitoring and monitoring method |
| CN107024574A (en) * | 2017-05-01 | 2017-08-08 | 刘华 | A kind of soil arching effect simulation test device and test method |
| CN207456799U (en) * | 2017-11-22 | 2018-06-05 | 上海工程技术大学 | A kind of experimental rig of analog orbit traffic tunnel differential settlement |
| CN108896513A (en) * | 2018-05-17 | 2018-11-27 | 南京大学 | It is a kind of for analyze surface subsidence on pipeclay interaction influence experimental rig and method |
| CN109342215A (en) * | 2018-09-03 | 2019-02-15 | 南通市通佳工程质量检测有限公司 | A kind of automatic type tubing flexibility test instrument |
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Application publication date: 20190813 |
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