CN209432113U - A kind of model settled for studying rail traffic underground line - Google Patents
A kind of model settled for studying rail traffic underground line Download PDFInfo
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- CN209432113U CN209432113U CN201920438428.2U CN201920438428U CN209432113U CN 209432113 U CN209432113 U CN 209432113U CN 201920438428 U CN201920438428 U CN 201920438428U CN 209432113 U CN209432113 U CN 209432113U
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- cabinet
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- pipe
- studying
- rail traffic
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Abstract
The utility model discloses a kind of for studying the model of rail traffic underground line sedimentation, including cabinet, model trajectory pipe and foil gauge, the cabinet is without the open cuboid in top, two end faces of front end face and left and right of the cabinet are all made of transparent plexiglass plate composition, and cabinet left and right ends end face offers 9 circular through holes, the bottom of the cabinet is equipped with four piece of first loading plate, the inside of the cabinet is filled with sample soil, the outside lower end of the cabinet is equipped with jack eyelid retractor, the jack eyelid retractor is equipped with 8, the single first carrying board ends, which respectively correspond, is provided with 1 jack eyelid retractor, the model trajectory pipe runs through cabinet entirely through circular through hole or so, the foil gauge is attached to the outer surface of model trajectory pipe.The utility model structure is simple, by changing upper load, tunnel model buried depth and position and using influence of the soil sample factor of different water cut to rail traffic subterranean tunnel route.
Description
Technical field
It is specially a kind of for studying the sedimentation of rail traffic underground line the utility model relates to modelling technical field
Model.
Background technique
Sedimentation is a kind of gradual change progressivity geological disaster, has the characteristics that coverage is big, the time is long and irreversible.Sedimentation
Process often along with the Seep- Solidifying of the soil body, leads to the forfeiture of safe elevation, can directly contribute damage road, bridge, underground cable
The safety hazard of all kinds of infrastructure such as pipe, house architectural structure basis；On the other hand, infall process is gradual not noticeable, past
When past to be found, massive losses are had resulted in.Shanghai City is located in saturated soft soil geologic body, and soft soil layer sedimentation is specifically
Restriction and influence in matter environment and by a variety of risk factors, compactness is lower, and porosity is higher, is often liquid in hole
It is full of.Factors above, which leads to surface subsidence also, becomes one of the Geological Hazards in Shanghai City.
Wherein, Shanghai Urban Mass Transit underground line is also faced with various settlement issues.Different from superstructure, city
Rail line line structure is embedded in Rock And Soil, is settled between caused structure and surrounding Rock And Soil caused by collective effect
Problems of Underground Engineering is relatively complicated.Shanghai Underground tunnel uses shield construction, and the Stratum Loss for generation of constructing is often
Causing the additional stress of underground utilities even makes its excessive deformation and destroys, and especially in busy section of town, will have a direct impact on to city
The safety and interests of life.
Therefore, Shanghai Metro Network construction is often called for fun the behind of " burrowing in bean curd ", even more under cover builders
Settlement issues bring is worried and is thought deeply.Although the sedimentation security threat of Shanghai large-scale subway network construction at present still exists
Within controlled range, but as Shanghai Underground is also in lasting construction, after (2017-2025) project implementation, Rail traffic network
Scale is up to 24 routes, and total length is more than 1000 kilometers, and high speed is run train repeatedly all the year round, easily causes " shake is fallen into ".One
Denier settles, and the resisting longitudinal deformation of subway tunnel is weak, buries in stratum, unavoidably will receive regional land subsidence
" dragging " effect and deform, and form subway tunnel section of jurisdiction periphery be finishing sealing material will deform occur crack or
Distending, periphery decoration also easily corrode, and cause leak.In view of settlement issues to city track traffic engineering safe construction and operation
Many influences brought by the security risk of generation are provided with the research of city rail underground line sedimentation particularly important
Realistic meaning.
Utility model content
To achieve the above object, the utility model provides the following technical solutions: one kind is for studying rail traffic underground cable
The model of road sedimentation, including cabinet, model trajectory pipe and foil gauge, the cabinet are without the open cuboid in top, the cabinet
Two end faces of front end face and left and right be all made of transparent plexiglass plate composition, and cabinet left and right ends end face opens up
There are 9 circular through holes, the bottom of the cabinet is equipped with four piece of first loading plate, and the inside of the cabinet is filled with sample soil, institute
The outside lower end for stating cabinet is equipped with jack eyelid retractor, and the jack eyelid retractor is equipped with 8, single first carrying
Board ends, which respectively correspond, is provided with 1 jack eyelid retractor, and the model trajectory pipe runs through case entirely through circular through hole or so
Body, the foil gauge are attached to the outer surface of model trajectory pipe.
Preferably, the specification of the cabinet is 80cm*70cm*60cm, and the four corners of the cabinet are mounted on universal wheel,
The surrounding of the cabinet is reinforced using aluminium alloy, with a thickness of 2cm.
Preferably, the model trajectory pipe is made of PVC plastic pipe, and the model trajectory length of tube is 100cm,
Outer diameter is equal with the aperture of the circular through hole of cabinet, is 9.5cm.
Preferably, four groups of foil gauges are provided on the outside of the model trajectory pipe, foil gauge described in four groups is set respectively
Set at the tube top in track model pipe outer surface, a side pipe waist and tube bottom, and foil gauge described in four groups setting respectively with
First loading plate is corresponding, and the foil gauge is connected and fixed by silica gel solution and model trajectory pipe, and the foil gauge is outer
Side surface is coated by adhesive waterproof tape, and the foil gauge is connect by conducting wire with external ess-strain Acquisition Instrument.
Preferably, the inside bottom two sides of the cabinet are equipped with the second loading plate, first loading plate, the second carrying
Plate is all made of organic glass and is made.
Preferably, integrally adjustable altitude range is 102-160mm to the jack eyelid retractor.
The utility model provides a kind of model settled for studying rail traffic underground line, has following beneficial to effect
Fruit: the height of spiral support device Level Change loading plate, analog orbit soil body differential settlement are adjusted.Experiment is equipped in cabinet
Soil sample layer is provided with one 1 meter long PVC plastic pipe level in the experiment soil sample layer and is embedded in experiment soil sample layer, simulation
Urban track traffic subterranean tunnel, and foil gauge is sticked on pipe face, it is placed in experimental box, uniformly buries connection data acquisition after sand
Instrument completes experimental provision assembling, carries out data acquisition；The further present apparatus can not only study urban track traffic underground cable
Influence of the road differential settlement to tunnel, can also be by changing upper load, tunnel model buried depth and position and using different
The soil sample of moisture content studies influence of the other factors to rail traffic subterranean tunnel route.Device is easy to use, and observing effect is straight
It sees, structure is simple, has filled up the blank of urban track traffic underground line settlement research model, for research urban track traffic
The people of lower Track Settlement provide a kind of practical, valuable tool, have conspicuousness progress and practical value.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the utility model；
Fig. 2 is the scheme of installation of the foil gauge of the utility model；
Fig. 3 is the jack eyelid retractor of the utility model and the distribution map of the first loading plate.
In figure: 1, cabinet；2, model trajectory pipe；3, foil gauge；4, circular through hole；5, the first loading plate；6, sample soil；7, thousand
Jin top support device；8, universal wheel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: one kind is heavy for studying rail traffic underground line
The model of drop, including cabinet 1, model trajectory pipe 2 and foil gauge 3, the cabinet 1 are without the open cuboid in top, the cabinet 1
Two end faces of front end face and left and right be all made of transparent plexiglass plate composition, and 1 left and right ends end face of the cabinet is opened
Equipped with 9 circular through holes 4, the bottom of the cabinet 1 is equipped with four piece of first loading plate 5, and the inside of the cabinet 1 is filled with sample
Soil 6, the outside lower end of the cabinet 1 are equipped with jack eyelid retractor 7, and the jack eyelid retractor 7 is single described equipped with 8
5 both ends of the first loading plate respectively correspond and be provided with 1 jack eyelid retractor 7, the model trajectory pipe 2 is logical entirely through circle
Cabinet 1 is run through in hole 4 or so, and the foil gauge 3 is attached to the outer surface of model trajectory pipe 2.
The specification of the cabinet 1 is 80cm*70cm*60cm, and the four corners of the cabinet 1 are mounted on universal wheel 8, described
The surrounding of cabinet 1 is reinforced using aluminium alloy, with a thickness of 2cm；The model trajectory pipe 2 is made of PVC plastic pipe, described
2 length of model trajectory pipe is 100cm, and it is 9.5cm that outer diameter is equal with the aperture of circular through hole 4 of cabinet 1；The rail
The outside of road model pipe 2 is provided with four groups of foil gauges 3, and foil gauge 3 described in four groups is separately positioned on 2 outside table of model trajectory pipe
At the tube top in face, a side pipe waist and tube bottom, and the setting of foil gauge 3 described in four groups is corresponding with the first loading plate 5 respectively, described
Foil gauge 3 is connected and fixed by silica gel solution with model trajectory pipe 2, and the outer surface of the foil gauge 3 passes through marine glue
Band cladding, the foil gauge 3 are connect by conducting wire with external ess-strain Acquisition Instrument；The inside bottom two of the cabinet 1
Side is equipped with the second loading plate, and first loading plate 5, the second loading plate are all made of organic glass and are made；The very heavy topmast
Supportting the whole adjustable altitude range of device 7 is 102-160mm.
Working principle: when in use, foil gauge 3 is mounted on to the outer surface of model trajectory pipe 2, and by conducting wire and outside
The ess-strain Acquisition Instrument in portion connects, and be divided into progress marked as I, II, III, IV, to jack to four piece of first loading plate 5
Eyelid retractor 7 is numbered 1,2,3,4,5,6,7,8, after the installation is completed by model trajectory pipe 2, in the inside of cabinet 1 filling sample soil
6, it is tested:
Experimental procedure:
Experiment one: for studying influence of the soil body differential settlement to tunnel
This 4 kinds of situation of test point carries out: (eyelid retractor number is shown in Fig. 3)
1. adjusting jack eyelid retractor 1 and 2,2 and 3 respectively, 1 and 3,1 and 4 height simulate soil body settlement action, by answering
Stress-strain Acquisition Instrument records data, observes tunnel model ess-strain situation of change；
2. adjusting jack eyelid retractor 1 and 6,1 and 7 simultaneously, 1 and 8,2 and 5,2 and 7,2 and 8 highly, simulation soil body sedimentation
Effect records data by ess-strain Acquisition Instrument, observes tunnel model ess-strain situation of change；
3. changing I, II, III, IV block loading plate height respectively, soil body settlement action is simulated, ess-strain Acquisition Instrument is passed through
Data are recorded, tunnel model ess-strain situation of change is observed；
4. changing any two pieces of loading plate height, soil body settlement action is simulated, data are recorded by ess-strain Acquisition Instrument,
Observe tunnel model ess-strain situation of change；
Experiment two: for studying influence of the soil body sedimentation to the tunnel of different buried depth and position
It, will by experimental box body 9 through-holes (3*3 type, every row are located at 12cm, 24cm, 36cm eminence) of bilateral symmetry
The step of model trajectory pipe both ends are individually fixed at left and right sides of cabinet in two circular through holes, repeat experiment one, simulates the soil body
Settlement action records data by ess-strain Acquisition Instrument, observes tunnel model ess-strain situation of change.
Experiment three: for studying influence of the different loads to tunnel
After decentralization is settled plate by jack eyelid retractor firm supporting, sample soil layer upper surface tiling load plate is being tested, with
Soil mechanics of the mode that the consolidation experiment that soil is measured in soil mechanics concentrates loading to carry in the upper surface of load plate setting different loads
Counterweight (5kg) number is tested, data are recorded by ess-strain Acquisition Instrument, observe the tunnel model ess-strain under different loads
Situation of change.
Experiment four: for studying influence of the different water cut soil body sedimentation to tunnel
Model trajectory pipe both ends are individually fixed in the symmetrical circular through hole at center on wall at left and right sides of cabinet, repeat to test
Step in one simulates soil body settlement action, and the soil for replacing different water cut respectively carries out test or by into sample soil two days
Add a water to change soil moisture content to be tested, data are recorded by ess-strain Acquisition Instrument, observe different water cut soil
To the influence of tunnel ess-strain in the case of sedimentation.
In conclusion the utility model can study different soils moisture content, different location, different loads, different sedimentation sides
Situation is influenced on the ess-strain of subway tunnel when the factors such as formula change.By record data analysis, corresponding rule knot is obtained
By being of great significance for rail traffic safe construction, safe operation, later maintenance, compared with the existing technology, there is conspicuousness
Progress has application value.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. it is a kind of for studying the model of rail traffic underground line sedimentation, including cabinet (1), model trajectory pipe (2) and answer
Become piece (3), it is characterised in that: the cabinet (1) is without the open cuboid in top, the front end face of the cabinet (1) and left and right two
A end face is all made of transparent plexiglass plate composition, and the cabinet (1) left and right ends end face offers 9 circular through holes
(4), the bottom of the cabinet (1) is equipped with four piece of first loading plate (5), and the inside of the cabinet (1) is native (6) filled with sample,
The outside lower end of the cabinet (1) is equipped with jack eyelid retractor (7), and the jack eyelid retractor (7) is equipped with 8, single institute
The first loading plate (5) both ends stated, which respectively correspond, is provided with 1 jack eyelid retractor (7), and the model trajectory pipe (2) is integrally logical
Circular through hole (4) left and right is crossed through cabinet (1), the foil gauge (3) is attached to the outer surface of model trajectory pipe (2).
2. according to claim 1 a kind of for studying the model of rail traffic underground line sedimentation, it is characterised in that: institute
The specification for stating cabinet (1) is 80cm*70cm*60cm, and the four corners of the cabinet (1) are mounted on universal wheel (8), the cabinet
(1) surrounding is reinforced using aluminium alloy, with a thickness of 2cm.
3. according to claim 1 a kind of for studying the model of rail traffic underground line sedimentation, it is characterised in that: institute
It states model trajectory pipe (2) to be made of PVC plastic pipe, model trajectory pipe (2) length is 100cm, outer diameter and cabinet
(1) aperture of circular through hole (4) is equal, is 9.5cm.
4. according to claim 1 a kind of for studying the model of rail traffic underground line sedimentation, it is characterised in that: institute
Four groups of foil gauges (3) are provided on the outside of the model trajectory pipe (2) stated, foil gauge (3) described in four groups is separately positioned on track
At the tube top of model pipe (2) outer surface, a side pipe waist and tube bottom, and the setting of foil gauge (3) described in four groups is respectively with the
One loading plate (5) is corresponding, and the foil gauge (3) is connected and fixed by silica gel solution with model trajectory pipe (2), and the strain
The outer surface of piece (3) is coated by adhesive waterproof tape, and the foil gauge (3) passes through conducting wire and external ess-strain Acquisition Instrument
Connection.
5. according to claim 1 a kind of for studying the model of rail traffic underground line sedimentation, it is characterised in that: institute
The inside bottom two sides for stating cabinet (1) are equipped with the second loading plate, and first loading plate (5), the second loading plate have been all made of
Machine glass is made.
6. according to claim 1 a kind of for studying the model of rail traffic underground line sedimentation, it is characterised in that: institute
Stating the whole adjustable altitude range of jack eyelid retractor (7) is 102-160mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438428.2U CN209432113U (en) | 2019-04-02 | 2019-04-02 | A kind of model settled for studying rail traffic underground line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438428.2U CN209432113U (en) | 2019-04-02 | 2019-04-02 | A kind of model settled for studying rail traffic underground line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432113U true CN209432113U (en) | 2019-09-24 |
Family
ID=67979058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920438428.2U Expired - Fee Related CN209432113U (en) | 2019-04-02 | 2019-04-02 | A kind of model settled for studying rail traffic underground line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186993A (en) * | 2021-03-16 | 2021-07-30 | 上海工程技术大学 | Test device and method for researching deformation of raw water pipeline and soil body under uneven foundation |
| CN114608495A (en) * | 2022-03-09 | 2022-06-10 | 太原理工大学 | Experimental device and experimental method for detecting pipeline deformation and stress |
-
2019
- 2019-04-02 CN CN201920438428.2U patent/CN209432113U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186993A (en) * | 2021-03-16 | 2021-07-30 | 上海工程技术大学 | Test device and method for researching deformation of raw water pipeline and soil body under uneven foundation |
| CN114608495A (en) * | 2022-03-09 | 2022-06-10 | 太原理工大学 | Experimental device and experimental method for detecting pipeline deformation and stress |
| CN114608495B (en) * | 2022-03-09 | 2024-02-06 | 太原理工大学 | Experimental device and experimental method for detecting deformation and stress of pipeline |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |