CN106501487A - A kind of water base Temperature Control Type similarity simulation experiment platform and using method - Google Patents
A kind of water base Temperature Control Type similarity simulation experiment platform and using method Download PDFInfo
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- CN106501487A CN106501487A CN201611003202.7A CN201611003202A CN106501487A CN 106501487 A CN106501487 A CN 106501487A CN 201611003202 A CN201611003202 A CN 201611003202A CN 106501487 A CN106501487 A CN 106501487A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000011068 loading method Methods 0.000 claims abstract description 59
- 238000002474 experimental method Methods 0.000 claims abstract description 30
- 238000012546 transfer Methods 0.000 claims abstract description 28
- 239000011159 matrix material Substances 0.000 claims description 14
- 230000008014 freezing Effects 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 9
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005755 formation reaction Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000007 visual 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a kind of water base Temperature Control Type similarity simulation experiment platform, including biaxial loadings stand, console, ice body precast box, transfer car(buggy) and ice body extractor, biaxial loadings stand, console, ice body precast box, transfer car(buggy) are distributed in same level, and console is electrically connected with biaxial loadings stand, transfer car(buggy) at least one, and be located between biaxial loadings stand and ice body precast box, its using method includes preparing ice body, ice body is transported, and ice body is fixed and carries out four steps such as testing.Present device simple structure, in terms of operating and using flexibly just, experimental resources recovery utilization rate is high, on the one hand the complexity that experimental facilities is used and operated can effectively be reduced, reduce experiment operating cost, conventional efficient is improved, on the other hand emulation can be simulated to multiple earth formations effectively, so as to be favorably improved the authenticity and reliability of experiment simulation operation.
Description
Technical field
The present invention is a kind of water base Temperature Control Type similarity simulation experiment platform and using method, belongs to experiment apparatus and method and technology
Field.
Background technology
Similarity simulation experiment is a kind of conventional research meanses in the fields such as Geotechnical Engineering, mining engineering, solves and is difficult to directly
Connecing and the difficult problem that tests being done by research object, similarity simulation experiment spends less, simple to operate, visual result, can arrange multiple borders
Condition, the basic law that can be described the problem.However, due to the long-term delayed development of similar materials, causing analog simulation
Experimental technique yet suffers from problems.At present, conventional similar materials include：Sandstone, gypsum, mica etc., by him
Allotment simulating different rock stratum conditions, material allotment is loaded down with trivial details, and intensity is difficult to hold, and needs to carry out multiple mechanical property survey
Try experiment to proofread repeatedly the intensity of similar materials, model buildings time length, efficiency are low, elasticity mostly is additionally, due to rock mass
Body or like elastomer, has this qualitative difference with conventional prose style free from parallelism similar materials, although can reflect base in mechanical property
This rule, but its accuracy difference is larger.For appeal problem, in the urgent need to developing a kind of brand-new same experiments platform,
Actually used needs are effectively met while overcoming traditional experiment equipment not enough.
Content of the invention
The invention aims to providing a kind of water base Temperature Control Type similarity simulation experiment platform and using method.
For reaching above-mentioned purpose, the present invention is implemented according to technical scheme below：
A kind of water base Temperature Control Type similarity simulation experiment platform, including biaxial loadings stand, console, ice body precast box, transfer car(buggy) and
Ice body extractor, biaxial loadings stand, console, ice body precast box, transfer car(buggy) are distributed in same level, and console
It is electrically connected with biaxial loadings stand, transfer car(buggy) at least one, and is located between biaxial loadings stand and ice body precast box, two-way
Loading stand and ice body precast box are connected with each other by transfer car(buggy), and biaxial loadings stand includes carrier, load cylinder, pressure
Plate, carrier are " mouth " font frame structure, its axis and level perpendicular distribution, and load cylinder is some, around carrier axis
It is distributed on the upper surface and side surface of carrier, and the load cylinder on carrier side surface is symmetrical, load cylinder axle
The carrier inner surface vertical distribution that line is located with which, and 1/4 1/2 length thereof of load cylinder is embedded in carrier, is pressed
Plate is embedded in carrier, and is connected with load cylinder front end by ratchet mechanism, and pressure plate is in 0 ° 90 ° with load cylinder axis
Angle, ice body precast box at least one, and each ice body precast box are parallel to each other distribution, and ice body precast box includes casing, case lid, cold
Solidifying pipe and refrigerating plant, wherein groove-like structure of the casing for rectangular cross-section, case lid are connected with casing upper surface and are constituted closed
Cavity body structure, described condenser pipe at least one, and be distributed in each side surface of casing around casing side surface axis, refrigeration dress
At least one is put, is interconnected installed in casing side surface and with each condenser pipe respectively, ice body extractor is embedded in ice body precast box
Interior and with ice body precast box bottom vertical distribution, be all provided with two ice body extractors in each ice body precast box, and same ice body be pre-
Two ice body extractors in case processed are symmetrically distributed in ice body precast box end positions with ice body precast box center line, and prefabricated with ice body
Box body inner surface is slidably connected, and ice body extractor includes matrix, handles and projection, and described matrix is platy structure, handle with
Matrix upper surface connects, and handles section for convex structure, if projection dry doubling is distributed in matrix front surface with rectangular array, convex
Block axis and matrix front surface vertical distribution, transfer car(buggy) include base, lead column, driving hydraulic cylinder, loading plate and positioning fixture,
Base lower surface sets walking mechanism, lead column at least four, and is symmetrically distributed in base end positions, and each lead column is and base
It is mutually perpendicular to be distributed, loading plate is located at directly over base, and distribution parallel with base, by extremely between described loading plate and base
Few two driving hydraulic cylinders are connected with each other, driving hydraulic cylinder axis respectively with loading plate and base be mutually perpendicular to be distributed, position
Fixture at least two, and loading plate upper surface end positions are symmetrically distributed in, and positioning fixture and loading plate vertical distribution.
Further, it is hinged by ratchet mechanism between the pressure plate of described biaxial loadings stand and load cylinder.
Further, described pressure plate front surface sets wear-resistant protecting layer.
Further, the carrier bottom upper table of described biaxial loadings stand sets at least two dirt discharge grooves.
Further, by any one mode in slide rail or ratchet mechanism between the casing and case lid of the ice body precast box
Connection.
Further, the side surface of the casing of the ice body precast box sets driving handle.
Further, the projection of the ice body extractor be axial face for the isosceles bodily form mesa-shaped structure or axial cross section be
Any one in the pyramidal structure of isosceles triangle.
Further, it is slidably connected by slide rail between the positioning fixture and loading plate.
A kind of using method of water base Temperature Control Type similarity simulation experiment platform includes：
The first step, prepares ice body, first according to needs are used, selects respective numbers, ice body precast box each that ice body is pre-
Ice body extractor is installed in case processed, then water is injected in ice body precast box, and freezing work is together carried out to water and ice body extractor
Industry, and make aqueous water pass through freezing for low temperature ice body, and ice body extractor is connected together through freezing with ice body two ends, and make
Standby go out each ice body volume be respectively and prepare 10% the 100% of the ice body ice body precast box dischargeable capacity, Low-temperature Ice temperature is not
It is more than -10 DEG C；
Second step, ice body are transported, and the ice body that will be prepared through the first step is taken out from ice body precast box by ice body extractor,
And be placed on transfer car(buggy), and after ice body is placed on transfer car(buggy), location and installation is carried out to ice body, while by ice body two ends
Body extractor removes, and then ice body is transported at biaxial loadings stand by transfer car(buggy), and is installed to each ice body successively double
To on loading stand；
3rd step, ice body are positioned, and when each ice body is installed on biaxial loadings stand, drive pressure plate pair by load cylinder first
Ice body surface applies uniform location power, and installs up to all ice bodies, then according to needs are used, logical using load cylinder
Cross pressure plate and apply experiment actuating pressure to ice body surface, the experiment actuating pressure that each pressure plate applies to ice body surface is and ice
Body surface face vertical distribution, and the experiment actuating pressure that each pressure plate applies is each identical, maximum of which experiment actuating pressure is for most
1 20 times of little experiment actuating pressure；
4th step, is tested, and after the operation of the 3rd step is completed, and guarantees that the experiment that each pressure plate applies to ice body surface is acted on
Pressure keeps constant, then ice body is tested by experimental facilities.
Present device simple structure, just, experimental resources recovery utilization rate is high, on the one hand may be used to operate and use flexibly aspect
Effectively reduce the complexity that experimental facilities is used and operated, reduce experiment operating cost, improve conventional efficient, on the other hand can have
Effect multiple earth formations are simulated is emulated, so as to be favorably improved the authenticity and reliability of experiment simulation operation.
Description of the drawings
With reference to the accompanying drawings and detailed description describing the present invention in detail
Fig. 1：Schematic structural view of the invention；
Fig. 2：For biaxial loadings horse structure schematic diagram；
Fig. 3：For ice body precast box structural representation；
Fig. 4：For ice body extractor structural representation；
Fig. 5：For transfer car(buggy) structural representation；
Fig. 6：This using method flow chart of the present invention.
Specific embodiment
For being easy to understand technological means, creation characteristic, reached purpose and effect of present invention realization, with reference to
Specific embodiment, is expanded on further the present invention.
A kind of water base Temperature Control Type similarity simulation experiment platform as shown in Fig. 15, including biaxial loadings stand 1, console 2, ice
Body precast box 3, transfer car(buggy) 4 and ice body extractor 5, biaxial loadings stand 1, console 2, ice body precast box 3, transfer car(buggy) 4 are divided equally
Cloth is in same level, and console 2 is electrically connected with biaxial loadings stand 1, transfer car(buggy) 4 at least one, and is located at two-way
Between loading stand 1 and ice body precast box 3, biaxial loadings stand 1 and ice body precast box 3 are connected with each other by transfer car(buggy) 4.
In the present embodiment, described biaxial loadings stand 1 includes carrier 11, load cylinder 12, pressure plate 13, carrier
11 is " mouth " font frame structure, its axis and level perpendicular distribution, and load cylinder 12 is some, uniform around 1 axis of carrier
On the upper surface and side surface of carrier 1, and the load cylinder 12 on 1 side surface of carrier is symmetrical, load cylinder 12
The 11 inner surface vertical distribution of carrier that axis is located with which, and 1/4 1/2 length thereofs of load cylinder 12 are embedded in carrier
In 1, pressure plate 13 is embedded in carrier 11, and is connected with 12 front end of load cylinder by ratchet mechanism, pressure plate 13 and loading
12 axis of oil cylinder is in 0 ° of 90 ° of angle.
In the present embodiment, described ice body precast box 3 at least one, and each ice body precast box 3 is parallel to each other distribution, ice body
Precast box 3 includes that casing 31, case lid 32, condenser pipe 33 and refrigerating plant 34, wherein casing 31 are tied for the channel-shaped of rectangular cross-section
Structure, case lid 32 are connected and constitute airtight cavity structure, condenser pipe 33 at least one with 31 upper surface of casing, and surround 31 side of casing
Surface axis are distributed in 31 each side surface of casing, refrigerating plant 34 at least one, installed in 31 side surface of casing and respectively with
Each condenser pipe 33 is interconnected.
In the present embodiment, described ice body extractor 5 is embedded in ice body precast box 3 and vertical with 3 bottom of ice body precast box
Distribution, two ice body extractors 5 being all provided with each ice body precast box 3 in two ice body extractors 5, and same ice body precast box 3
3 end positions of ice body precast box are symmetrically distributed in 3 center line of ice body precast box, and are slided with 3 casing of ice body precast box, 31 inner surface
Dynamic connection, ice body extractor 5 include matrix 51, handle 52 and projection 53, and matrix 51 is platy structure, handle on 52 and matrix 51
End face connects, and handles 52 sections for convex structure, if 53 dry doubling of projection is distributed in 51 front surface of matrix with rectangular array, convex
53 axis of block and 51 front surface vertical distribution of matrix.
In the present embodiment, described transfer car(buggy) 4 includes base 41, lead column 42, driving hydraulic cylinder 43, loading plate 44 and determines
Position fixture 45,41 lower surface of base set walking mechanism 46, lead column 42 at least four, and are symmetrically distributed in 41 two ends position of base
Put, each lead column 42 is mutually perpendicular to be distributed with base 41, loading plate 44 is located at directly over base 41, and parallel with base 41 point
Cloth, is connected with each other by least two driving hydraulic cylinders 43 between loading plate 44 and base 41,43 axis of driving hydraulic cylinder respectively with
Loading plate 44 and base 41 be mutually perpendicular to be distributed, positioning fixture 45 at least two, and be symmetrically distributed in 44 upper surface of loading plate
End positions, and positioning fixture 45 and loading plate vertical distribution.
In the present embodiment, between the pressure plate 13 of described biaxial loadings stand 1 and load cylinder 12, pass through ratchet mechanism phase
Mutually it is hinged.
In the present embodiment, described 13 front surface of pressure plate sets wear-resistant protecting layer 14.
In the present embodiment, the 11 bottom upper table of carrier of described biaxial loadings stand 1 sets at least two dirt discharge grooves 15.
In the present embodiment, by any in slide rail or ratchet mechanism between the casing 31 and case lid 32 of the ice body precast box 3
A kind of mode connects.
In the present embodiment, the side surface of the casing 31 of the ice body precast box 3 sets driving handle 35.
In the present embodiment, the projection 53 of the ice body extractor 5 is mesa-shaped structure or axial direction that axial face is the isosceles bodily form
Section is any one in the pyramidal structure of isosceles triangle.
In the present embodiment, it is slidably connected by slide rail between the positioning fixture 45 and loading plate 44.
As shown in fig. 6, a kind of using method of water base Temperature Control Type similarity simulation experiment platform includes：
The first step, prepares ice body, first according to needs are used, selects respective numbers, ice body precast box each that ice body is pre-
Ice body extractor is installed in case processed, then water is injected in ice body precast box, and freezing work is together carried out to water and ice body extractor
Industry, and make aqueous water pass through freezing for low temperature ice body 6, and ice body extractor is connected together through freezing with ice body two ends, and
The each ice body volume for preparing is respectively and prepares 10% the 100% of the ice body ice body precast box dischargeable capacity, Low-temperature Ice temperature
No more than -10 DEG C；
Second step, ice body are transported, and the ice body 6 prepared through the first step is taken out from ice body precast box by ice body extractor,
And be placed on transfer car(buggy), and after ice body 6 is placed on transfer car(buggy), location and installation is carried out to ice body 6, while by 6 liang of ice body
The body extractor at end removes, and then ice body 6 is transported at biaxial loadings stand by transfer car(buggy), and is pacified each ice body 6 successively
It is attached on biaxial loadings stand；
3rd step, ice body are positioned, and when each ice body 6 is installed on biaxial loadings stand, drive pressure plate by load cylinder first
Apply uniform location power to 6 surface of ice body, and install up to all ice bodies 6, then according to needs are used, using loading oil
Cylinder applies experiment actuating pressure, the experiment actuating pressure that each pressure plate applies to 6 surface of ice body by pressure plate to 6 surface of ice body
With 6 surface vertical distribution of ice body, and the experiment actuating pressure that each pressure plate applies is each identical, maximum of which experiment effect pressure
Power is 1 20 times minimum of experiment actuating pressure；
4th step, is tested, and after the operation of the 3rd step is completed, and guarantees that the experiment that each pressure plate applies to 6 surface of ice body is made
Keep constant with pressure, then ice body 6 is tested by experimental facilities.
Present device simple structure, just, experimental resources recovery utilization rate is high, on the one hand may be used to operate and use flexibly aspect
Effectively reduce the complexity that experimental facilities is used and operated, reduce experiment operating cost, improve conventional efficient, on the other hand can have
Effect multiple earth formations are simulated is emulated, so as to be favorably improved the authenticity and reliability of experiment simulation operation.
It should be understood by those skilled in the art that, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements are both fallen within scope of the claimed invention.The claimed scope of the invention
By appending claims and its equivalent thereof.
Claims (9)
1. a kind of water base Temperature Control Type similarity simulation experiment platform, it is characterised in that described water base Temperature Control Type similarity simulation experiment platform
Including biaxial loadings stand, console, ice body precast box, transfer car(buggy) and ice body extractor, described biaxial loadings stand, control
Platform, ice body precast box, transfer car(buggy) are distributed in same level, and console is electrically connected with biaxial loadings stand, described
Transfer car(buggy) at least one, and be located between biaxial loadings stand and ice body precast box, biaxial loadings stand and ice body precast box
It is connected with each other by transfer car(buggy), described biaxial loadings stand includes carrier, load cylinder, pressure plate, described carrier
For " mouth " font frame structure, its axis and level perpendicular distribution, described load cylinder is some, uniform around carrier axis
On the upper surface and side surface of carrier, and the load cylinder on carrier side surface is symmetrical, the load cylinder axle
The carrier inner surface vertical distribution that line is located with which, and described load 1/4 1/2 length thereof of oil cylinder be embedded in carrier, institute
The pressure plate that states is embedded in carrier, and is connected with load cylinder front end by ratchet mechanism, and described pressure plate is oily with loading
Cylinder axis are in that 0 ° of 90 ° of angle, described ice body precast box at least one, and each ice body precast box are parallel to each other distribution, described
Ice body precast box include casing, case lid, condenser pipe and refrigerating plant, wherein groove-like structure of the casing for rectangular cross-section, institute
The case lid that states is connected and constitutes airtight cavity structure, described condenser pipe at least one with casing upper surface, and surround case-side
Surface axis are distributed in each side surface of casing, described refrigerating plant at least one, installed in casing side surface and respectively with
Each condenser pipe is interconnected, described ice body extractor be embedded in ice body precast box and with ice body precast box bottom vertical distribution,
Two ice body extractors being all provided with each ice body precast box in two ice body extractors, and same ice body precast box are prefabricated with ice body
Case center line is symmetrically distributed in ice body precast box end positions, and is slidably connected with ice body precast box interior, described ice
Body extractor includes matrix, handles and projection, and described matrix is platy structure, and described handling is connected with matrix upper surface, and
Section is handled for convex structure, if described projection dry doubling is distributed in matrix front surface, projection axis and base with rectangular array
Body front surface vertical distribution, the transfer car(buggy) include base, lead column, driving hydraulic cylinder, loading plate and positioning fixture, described
Base lower surface sets walking mechanism, described lead column at least four, and is symmetrically distributed in base end positions, and each lead column is equal
Be mutually perpendicular to be distributed with base, described loading plate is located at directly over base, and distribution parallel with base, described loading plate with
Be connected with each other by least two driving hydraulic cylinders between base, driving hydraulic cylinder axis respectively with loading plate and base mutually hang down
Straight be distributed, described positioning fixture at least two, and be symmetrically distributed in loading plate upper surface end positions, and positioning fixture with hold
Support plate vertical distribution.
2. a kind of water base Temperature Control Type similarity simulation experiment platform according to claim 1, it is characterised in that described two-way plus
It is hinged by ratchet mechanism between the pressure plate of microscope carrier frame and load cylinder.
3. a kind of water base Temperature Control Type similarity simulation experiment platform according to claim 1, it is characterised in that described pressure plate
Front surface sets wear-resistant protecting layer.
4. a kind of water base Temperature Control Type similarity simulation experiment platform according to claim 1, it is characterised in that described two-way plus
The carrier bottom upper table of microscope carrier frame sets at least two dirt discharge grooves.
5. a kind of water base Temperature Control Type similarity simulation experiment platform according to claim 1, it is characterised in that the ice body is prefabricated
Connected by any one mode in slide rail or ratchet mechanism between the casing and case lid of case.
6. according to a kind of water base Temperature Control Type similarity simulation experiment platform described in claim 1, it is characterised in that the ice body precast box
The side surface of casing set driving handle.
7. according to a kind of water base Temperature Control Type similarity simulation experiment platform described in claim 1, it is characterised in that the ice body extractor
Projection be axial face for the isosceles bodily form mesa-shaped structure or axial cross section for isosceles triangle pyramidal structure in any one
Kind.
8. according to a kind of water base Temperature Control Type similarity simulation experiment platform described in claim 1, it is characterised in that the positioning fixture with
It is slidably connected by slide rail between loading plate.
9. a kind of using method of water base Temperature Control Type similarity simulation experiment platform, it is characterised in that the similar mould of the water base Temperature Control Type
The using method of draft experiment platform includes：
The first step, prepares ice body, first according to needs are used, selects respective numbers, ice body precast box each that ice body is pre-
Ice body extractor is installed in case processed, then water is injected in ice body precast box, and freezing work is together carried out to water and ice body extractor
Industry, and make aqueous water pass through freezing for low temperature ice body, and ice body extractor is connected together through freezing with ice body two ends, and make
Standby go out each ice body volume be respectively and prepare 10% the 100% of the ice body ice body precast box dischargeable capacity, Low-temperature Ice temperature is not
It is more than -10 DEG C；
Second step, ice body are transported, and the ice body that will be prepared through the first step is taken out from ice body precast box by ice body extractor,
And be placed on transfer car(buggy), and after ice body is placed on transfer car(buggy), location and installation is carried out to ice body, while by ice body two ends
Body extractor removes, and then ice body is transported at biaxial loadings stand by transfer car(buggy), and is installed to each ice body successively double
To on loading stand；
3rd step, ice body are positioned, and when each ice body is installed on biaxial loadings stand, drive pressure plate pair by load cylinder first
Ice body surface applies uniform location power, and installs up to all ice bodies, then according to needs are used, logical using load cylinder
Cross pressure plate and apply experiment actuating pressure to ice body surface, the experiment actuating pressure that each pressure plate applies to ice body surface is and ice
Body surface face vertical distribution, and the experiment actuating pressure that each pressure plate applies is each identical, maximum of which experiment actuating pressure is for most
1 20 times of little experiment actuating pressure；
4th step, is tested, and after the operation of the 3rd step is completed, and guarantees that the experiment that each pressure plate applies to ice body surface is acted on
Pressure keeps constant, then ice body is tested by experimental facilities.
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Cited By (1)
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| CN109307753A (en) * | 2018-10-15 | 2019-02-05 | 河南理工大学 | A kind of novel ice base phase is like experimental system for simulating and application method |
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| CN101086470A (en) * | 2006-06-05 | 2007-12-12 | 大连理工大学 | Ice load model experiment method and device for marine platform |
| KR100960244B1 (en) * | 2008-12-24 | 2010-06-01 | 주식회사영동이앤티에스 | The apparatus and method of supplying ice automaticaiiy into plant for allocation of ready-mixed concrete cars |
| CN204116158U (en) * | 2014-09-01 | 2015-01-21 | 长安大学 | A kind of proving installation of snow melt asphalt anti-attachment performance |
| CN105115820A (en) * | 2015-07-13 | 2015-12-02 | 大连理工大学 | Apparatus for testing compression strength of sea ice |
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| CN106501487B (en) | 2019-04-16 |
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