CN109324049A - A kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation - Google Patents
A kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation Download PDFInfo
- Publication number
- CN109324049A CN109324049A CN201811314001.8A CN201811314001A CN109324049A CN 109324049 A CN109324049 A CN 109324049A CN 201811314001 A CN201811314001 A CN 201811314001A CN 109324049 A CN109324049 A CN 109324049A
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- transparent
- mould molding
- light source
- laser light
- molding box
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- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000010257 thawing Methods 0.000 title claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 26
- 230000003750 conditioning effect Effects 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
Invention provides a kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation.The device includes transparent mould molding box, laser light source, CCD camera and slope conditioning.The rectangular box of the transparent mould molding box generally upper end opening.Middle partition is disposed in the inner cavity of the transparent mould molding box.The inner cavity of transparent mould molding box is divided into transparent soil storage case S1 and laser light source case S2 by the middle partition.Several limited blocks are provided on the inner wall of the transparent native storage case S1.It there also is provided temperature control module on the inner wall of the transparent native storage case S1.The laser light source is arranged in laser light source case S2.The CCD camera is arranged in outside transparent mould molding box.The device is easy to operate, and test process is intuitively obvious, can clearly record the regularity of distribution of frozen earth roadbed subgrade deformation field under conditions of temperature change.
Description
Technical field
The present invention relates to cyopedology field, in particular to a kind of transparent native Visualization Model examination of cold area's roadbed freeze thawing deformation
Experiment device.
Background technique
The mechanical property of frozen soil and the mechanical property of common Geotechnical materials differ greatly.Han Qu carry out industry with it is civilian
The construction of building and Communication and Transportation Engineering, just must be to frozen soil and its a series of engineering frozen soil to interact with engineering works
Theory and practical problems make answer, to ensure the stability of engineering works, durability and economical rationality on frozen soil foundation
Property.Although field condition test is closest with physical condition, the test period is too long, and effort is time-consuming, higher cost.Cause
This, the test period can substantially be shortened by needing to develop one kind, and test result and actually close cold area's roadbed freeze thawing deformation are saturating
Bright soil visible model testing device.
Summary of the invention
The object of the present invention is to provide a kind of cold transparent native visible model testing devices of area's roadbed freeze thawing deformation, to solve
Problems of the prior art.
To realize the present invention purpose and the technical solution adopted is that such, a kind of cold area's roadbed freeze thawing deforms transparent soil can
Depending on changing model test apparatus, including transparent mould molding box, laser light source, CCD camera and slope conditioning.
The rectangular box of the transparent mould molding box generally upper end opening.In being disposed in the inner cavity of the transparent mould molding box
Partition.The inner cavity of transparent mould molding box is divided into transparent native storage case S by the middle partition1With laser light source case S2.The transparent soil
Storage case S1Inner wall on be provided with several limited blocks.The transparent native storage case S1Inner wall on there also is provided temperature control module.Institute
It states laser light source and is arranged in laser light source case S2In.The CCD camera is arranged in outside transparent mould molding box.
The slope conditioning includes the structural panel of two pieces of inclination arrangements, and is connected between two block structure panels
Two telescopic rods.Two telescopic rod parallel arrangements.It is cut with scissors respectively with the upper plate end of two block structure panels at the both ends of every telescopic rod
It connects.Two block structure panels can be rotated respectively around telescopic rod end.The slope conditioning is arranged in transparent native storage case S1
In.The lower plate end of the structural panel rides upon on limited block.The slope conditioning and transparent native storage case S1It surrounds out
Semi-surrounding space.The transparent soil construction roadbed model of placement in layers in the semi-surrounding space.
Further, it is opened up on the inner wall of two opposites of the transparent mould molding box vertical there are two being inserted with middle partition phase wedge
Limit bar groove.
Further, the laser light source case S2Bottom be provided with several location holes.The laser light source passes through positioning
Hole is in conjunction with transparent mould molding box.
The solution have the advantages that unquestionable:
1. easy to operate, test process is intuitively obvious, can clearly record frozen earth roadbed under conditions of temperature change
The regularity of distribution of embankment deformation field;
2. being easily achieved, repeatability is strong.
Detailed description of the invention
Fig. 1 is apparatus structure schematic diagram;
Fig. 2 is see-through model box structure schematic diagram;
Fig. 3 is laser light source layout drawing;
Fig. 4 is slope conditioning structural schematic diagram.
In figure: transparent soil storage case S1, laser light source case S2, transparent mould molding box 1, middle partition 101, limited block 102, limit
Bar groove 103, location hole 104, laser light source 2, CCD camera 3, slope conditioning 4, structural panel 401, telescopic rod 402, temperature control
Module 5.
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.
Referring to Fig. 1, the present embodiment discloses a kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation, including
Transparent mould molding box 1, laser light source 2, CCD camera 3 and slope conditioning 4.
Referring to fig. 2, the rectangular box of the transparent mould molding box 1 generally upper end opening.Two pairs of the transparent mould molding box 1
The vertical spacing bar groove 103 inserted there are two being opened up on the inner wall of facade with middle 101 phase wedge of partition.The middle partition 101 is arranged in
In the inner cavity of transparent mould molding box 1, the inner cavity of transparent mould molding box 1 is divided into transparent native storage case S1With laser light source case S2.It is described
Transparent soil storage case S1Inner wall on be provided with limited block 102.The transparent native storage case S1Inner wall on there also is provided temperature control mould
Block 5, the temperature for controlling transparent soil sample is -20~20 DEG C.The laser light source 2 is arranged in laser light source case S2In.Referring to figure
3, the laser light source case S2Bottom be provided with location hole 104.The laser light source 2 passes through location hole 104 and see-through model
Case 1 combines.The CCD camera 3 is arranged in outside transparent mould molding box 1.
Fig. 4 is participated in, the slope conditioning 4 includes the structural panel 401 of two pieces of inclination arrangements, and is connected to two pieces
Two telescopic rods 402 between structural panel 401.Two telescopic rods 402 are arranged in parallel.The both ends difference of every telescopic rod 402
It is hinged with the upper plate end of two block structure panels 401.Two block structure panels 401 can be rotated respectively around 402 end of telescopic rod.It is described
Slope conditioning 4 is arranged in transparent native storage case S1In.The lower plate end of the structural panel 401 rides upon on limited block 102.
The slope conditioning 4 and transparent native storage case S1Surround semi-surrounding space out.Placement in layers is saturating in the semi-surrounding space
Bright soil construction roadbed model.
Claims (3)
1. a kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation, it is characterised in that: including transparent mould molding box
(1), laser light source (2), CCD camera (3) and slope conditioning (4);
The rectangular box of the transparent mould molding box (1) generally upper end opening;It is disposed in the inner cavity of the transparent mould molding box (1)
Middle partition (101);The inner cavity of transparent mould molding box (1) is divided into transparent native storage case S by the middle partition (101)1And laser light
Source case S2;The transparent native storage case S1Inner wall on be provided with several limited blocks (102);The transparent native storage case S1It is interior
It there also is provided temperature control module (5) on wall;The laser light source (2) is arranged in laser light source case S2In;CCD camera (3) cloth
Set transparent mould molding box (1) outside;
The slope conditioning (4) includes the structural panel (401) of two pieces of inclination arrangements, and is connected to two block structure panels
(401) two telescopic rods (402) between;Two telescopic rod (402) parallel arrangements;The both ends difference of every telescopic rod (402)
It is hinged with the upper plate end of two block structure panels (401);Two block structure panels (401) can respectively surround telescopic rod (402) end and turn
It is dynamic;The slope conditioning (4) is arranged in transparent native storage case S1In;The lower plate end of the structural panel (401) rides upon
On limited block (102);The slope conditioning (4) and transparent native storage case S1Surround semi-surrounding space out;The semi-surrounding
The transparent soil construction roadbed model of placement in layers in space.
2. a kind of cold transparent native visible model testing device of area's roadbed freeze thawing deformation according to claim 1, feature
It is: the vertical limit inserted there are two being opened up on the inner wall of two opposites of the transparent mould molding box (1) with middle partition (101) phase wedge
Position bar groove (103).
3. a kind of cold transparent native visible model testing device of area's roadbed freeze thawing deformation according to claim 1, feature
It is: the laser light source case S2Bottom be provided with several location holes (104);The laser light source (2) passes through location hole
(104) it is combined with transparent mould molding box (1).
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CN201811314001.8A CN109324049A (en) | 2018-11-06 | 2018-11-06 | A kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation |
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CN201811314001.8A CN109324049A (en) | 2018-11-06 | 2018-11-06 | A kind of transparent native visible model testing device of cold area's roadbed freeze thawing deformation |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110018289A (en) * | 2019-04-02 | 2019-07-16 | 北京建筑大学 | Body frost heaving test system |
CN111610094A (en) * | 2020-05-29 | 2020-09-01 | 西南交通大学 | Model test device and test method for high-speed railway roadbed passing karez |
CN112900508A (en) * | 2021-01-22 | 2021-06-04 | 湖北工业大学 | Experimental device and method for pipe culvert model on frozen soil foundation under traffic load effect |
CN113552315A (en) * | 2021-06-10 | 2021-10-26 | 重庆大学溧阳智慧城市研究院 | Multifunctional transparent soil model test master control system device and use method thereof |
CN115876983A (en) * | 2023-03-08 | 2023-03-31 | 北京科技大学 | Dynamic disturbance testing machine system and method for simulating slope instability of open stope in cold region |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110018289A (en) * | 2019-04-02 | 2019-07-16 | 北京建筑大学 | Body frost heaving test system |
CN111610094A (en) * | 2020-05-29 | 2020-09-01 | 西南交通大学 | Model test device and test method for high-speed railway roadbed passing karez |
CN112900508A (en) * | 2021-01-22 | 2021-06-04 | 湖北工业大学 | Experimental device and method for pipe culvert model on frozen soil foundation under traffic load effect |
CN112900508B (en) * | 2021-01-22 | 2022-07-08 | 湖北工业大学 | Experimental device and method for pipe culvert model on frozen soil foundation under traffic load effect |
CN113552315A (en) * | 2021-06-10 | 2021-10-26 | 重庆大学溧阳智慧城市研究院 | Multifunctional transparent soil model test master control system device and use method thereof |
CN113552315B (en) * | 2021-06-10 | 2023-12-26 | 重庆大学溧阳智慧城市研究院 | Multifunctional transparent soil model test master control system device and application method thereof |
CN115876983A (en) * | 2023-03-08 | 2023-03-31 | 北京科技大学 | Dynamic disturbance testing machine system and method for simulating slope instability of open stope in cold region |
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