CN114687337A - A cold stick initiative cold conduction roadbed structure for Qinghai-Tibet plateau frozen soil district - Google Patents
A cold stick initiative cold conduction roadbed structure for Qinghai-Tibet plateau frozen soil district Download PDFInfo
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- CN114687337A CN114687337A CN202210507837.XA CN202210507837A CN114687337A CN 114687337 A CN114687337 A CN 114687337A CN 202210507837 A CN202210507837 A CN 202210507837A CN 114687337 A CN114687337 A CN 114687337A
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- 239000002689 soil Substances 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000008878 coupling Effects 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000011232 storage material Substances 0.000 abstract description 11
- 230000000630 rising effect Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/11—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means
- E02D3/115—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means by freezing
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Agronomy & Crop Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Road Paving Structures (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a cold bar active cold-guiding roadbed structure for a frozen soil area of a Qinghai-Tibet plateau, which comprises a frozen soil layer, wherein the top of the frozen soil layer is provided with a roadbed, the top of the roadbed is provided with a road surface, two sides of the roadbed are respectively provided with a cold storage mechanism, each cold storage mechanism comprises a cold storage bar, a cold storage agent is arranged in each cold storage bar, and one end of each cold storage bar penetrates through the roadbed and extends into the frozen soil layer. The cold storage rod is arranged in the frozen soil layer of the plateau area, the cold storage agent is arranged in the cold storage rod, on one hand, cold air is sucked into the cold storage rod through the top of the cold storage rod and is stored through the cold storage agent in winter, on the other hand, the cold air around the cold storage rod is absorbed through the bottom of the cold storage rod arranged in the frozen soil layer and is stored through the cold storage agent, and when the temperature of the frozen soil layer rises in the next year, the stored cold air is released through the cold storage agent to cool the frozen soil layer around the cold storage rod, so that the temperature of the frozen soil layer is prevented from rising.
Description
Technical Field
The invention relates to the field of roadbeds, in particular to a cold rod active cold-conducting roadbed structure for a permafrost region of Qinghai-Tibet plateau.
Background
The permafrost is a special natural body with changed low temperature, and the frost heaving and thaw collapse phenomena thereof can cause the damage phenomena of subgrade settlement deformation, slope hot melt slip collapse, culvert cracking and the like, and are the main technical problems to be solved in the construction of highway engineering. Especially, many permafrost exist in the Qinghai-Tibet plateau area, as one of the forms of the active cooling roadbed, the heat bar is a novel and efficient heat transfer element, the working medium is accumulated at the bottom of the heat pipe, the evaporation section is positioned at the lower half part of the heat pipe, the condensation section is positioned at the upper half part of the heat pipe, and the heat insulation section is positioned in the middle. The working medium absorbs the heat supplied by the heat source at the evaporation section and evaporates, the steam flows upwards, the latent heat of vaporization is released at the condensation section and condensed into liquid after passing through the heat insulation section, and the liquid flows back to the lower half evaporation section under the action of gravity to complete a working cycle. However, the main working time of the hot rod is summer, and in winter, more cold air cannot be stored so as to be released in the next year and keep the frozen soil at a low temperature. Therefore, a new active cooling roadbed structure with a cooling bar for the permafrost region of Qinghai-Tibet plateau is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a cold rod active cold-conducting roadbed structure for a frozen soil area of a Qinghai-Tibet plateau, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a cold rod active cold-conducting roadbed structure for a permafrost region of a Qinghai-Tibet plateau, which comprises a permafrost layer and is characterized in that: the top on frozen soil layer is equipped with the road bed, the top of road bed is equipped with the road surface, the both sides of road bed are equipped with respectively and store up cold mechanism, store up cold mechanism including storing up cold stick, store up and be equipped with the storage cryogen in the cold stick, the one end of storing up cold stick is passed the road bed and is stretched into in the frozen soil layer, the outside of storing up cold stick is equipped with the connector, connector rigid coupling and intercommunication have the junk mechanism.
Preferably, the top of storing up the cold stick is equipped with the absorption section, the absorption section is located the outside of road bed, the bottom of storing up the cold stick is equipped with the storage section, the storage section is located in the frozen soil layer.
Preferably, a plurality of through holes are formed in the circumferential direction of the outer side of the absorption section.
Preferably, the cold storage rod is fixedly connected and communicated with a first connecting pipe, the top of the first connecting pipe is fixedly connected and communicated with the connecting port, and the other end of the first connecting pipe is located at the bottom of the cold storage rod.
Preferably, the matter discharging mechanism comprises a second connecting pipe fixedly connected and communicated with the connecting port, and the second connecting pipe is fixedly connected and communicated with an air pump.
Preferably, the road bed include with the rubble layer of frozen soil layer rigid coupling, the top rigid coupling of rubble layer has the gravel layer, the top rigid coupling of gravel layer has concrete layer, concrete layer's top rigid coupling has the road surface, the top both sides on road surface rigid coupling respectively has the guardrail, the guardrail with it is fixed through first fixed establishment between the cold storage stick, it is fixed through second fixed establishment between rubble layer and the cold storage stick.
Preferably, an insulating layer is laid between the gravel layer and the crushed stone layer.
Preferably, the first fixing mechanism comprises a first gripper fixedly connected with the guardrail, one end of the first gripper, which is far away from the guardrail, is hinged with one end of a first connecting rod, the other end of the first connecting rod is hinged with a second gripper, the second gripper is fixedly connected with the side wall of the cold storage rod, the bottom of the first connecting rod is connected with the supporting part in a sliding manner, and the supporting part is fixedly connected with the road surface.
Preferably, the second fixing mechanism comprises a sleeve arranged in the gravel layer, a plurality of fastening pieces are arranged in the sleeve, and the cold storage rods are fixedly connected among the fastening pieces.
The invention discloses the following technical effects: the cold storage rod is arranged in the frozen soil layer of the plateau area, the cold storage agent is arranged in the cold storage rod, cold air is sucked into the cold storage rod through the top of the cold storage rod in winter and is stored through the cold storage agent, cold air around the cold storage rod is absorbed through the bottom of the cold storage rod arranged in the frozen soil layer and is stored through the cold storage agent, and when the temperature of the frozen soil layer rises in the next year, the stored cold air is released through the cold storage agent to cool the frozen soil layer around the cold storage rod, so that the temperature of the frozen soil layer is prevented from rising.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a cold-bar active cold-conducting roadbed structure for a frozen soil area of Qinghai-Tibet plateau of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of a first fixing mechanism;
wherein: 1. a frozen soil layer; 2. a cold storage rod; 3. storing a refrigerant; 4. an absorption section; 5. a storage section; 6. a through hole; 8. a crushed stone layer; 9. a gravel layer; 10. a concrete layer; 11. a guardrail; 12. a heat-insulating layer; 13. a first gripper; 14. a first connecting rod; 15. a second gripper; 16. a sleeve; 17. a first fixed seat; 18. a first connecting ring; 19. a second fixed seat; 20. a second connection ring; 21. a first chute; 22. a first slider; 23. a threaded telescopic rod; 24. a connecting port; 25. a first connecting pipe; 26. a second connection pipe; 27. an air pump; 28. and a collecting box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-3, the invention provides a cold bar active cold-guiding roadbed structure for a permafrost region of a Qinghai-Tibet plateau, which comprises a frozen soil layer 1, wherein a roadbed is arranged at the top of the frozen soil layer 1, a road surface is arranged at the top of the roadbed, cold storage mechanisms are respectively arranged on two sides of the roadbed, each cold storage mechanism comprises a cold storage bar 2, a refrigerant 3 is arranged in each cold storage bar 2, one end of each cold storage bar 2 penetrates through the roadbed and extends into the frozen soil layer 1, a connecting port 24 is arranged on the outer side of each cold storage bar 2, and the connecting port 24 is fixedly connected and communicated with a discharge mechanism.
The invention arranges the cold storage stick 2 in the frozen soil layer of the plateau area, and arranges the cold storage stick 3 in the cold storage stick 2, on one hand, cold air is sucked into the cold storage stick 2 through the top of the cold storage stick 2 in winter, and the cold air is stored through the cold storage stick 3, on the other hand, the cold air around the cold storage stick 2 is absorbed through the bottom of the cold storage stick 2 arranged in the frozen soil layer 1, and is stored through the cold storage stick 3, when the temperature of the frozen soil layer 1 rises in the next year, the stored cold air is released through the cold storage stick 3, the frozen soil layer 1 around the cold storage stick 2 is cooled, the temperature of the frozen soil layer 1 is prevented from rising, through arranging the outer side of the cold storage stick 2, and communicating with the pollution discharge mechanism through the connecting port 24, when in autumn, the used cold storage stick 3 is sucked out through the pollution discharge mechanism, and new cold storage stick 3 is charged into the cold storage stick 2 through the pollution discharge mechanism, for cold storage in winter.
Further optimize the scheme, the top of storing up the cold stick 2 is equipped with absorbs section 4, absorbs the outside that section 4 is located the road bed, and the bottom of storing up the cold stick 2 is equipped with stores section 5, stores section 5 and is located frozen soil layer 1.
The absorption section 4 is used for absorbing outside cold air, and the storage section 5 is used for storing the absorbed cold air through the refrigerant 3.
In a further optimized scheme, a plurality of through holes 6 are circumferentially arranged on the outer side of the absorption section 4. So that cold air can enter the cold storage rod 2 conveniently.
According to the further optimized scheme, the cold storage rod 2 is fixedly connected and communicated with a first connecting pipe 25, the top of the first connecting pipe 25 is fixedly connected and communicated with a connecting port 24, and the other end of the first connecting pipe 25 is located at the bottom of the cold storage rod 2.
In a further optimized scheme, the matter discharging mechanism comprises a second connecting pipe 26 fixedly connected and communicated with the connecting port 24, the second connecting pipe 26 is fixedly connected and communicated with an air pump 27, the second connecting pipe 26 is fixedly connected and communicated with a collecting box 28, and the air pump 27 is positioned in the collecting box 28. The material discharging mechanisms are arranged at intervals, and each material discharging mechanism can be used by 4-6 cold storage rods 2 adjacent to the material discharging mechanism.
When the refrigerant 3 needs to be sucked out, the air pump 27 is opened, the air pump 27 is enabled to pump air outwards, and the refrigerant 3 enters the collecting tank 28 through the first connecting pipe 25, the connecting port 24, the second connecting pipe 26 and the air pump 27 in sequence; when a new refrigerant storage 3 needs to be put in, the air pump 27 is opened, the air pump 27 is inflated inwards, and the refrigerant storage 3 enters the cold storage rod 2 through the collecting box 28, the air pump 27, the second connecting pipe 26, the connecting port 24 and the first connecting pipe 25 in sequence.
In a further optimized scheme, the refrigerant storage agent 3 is a eutectic phase change cold storage material.
Further optimize the scheme, the road bed includes the rubble layer 8 with 1 rigid coupling of frozen soil layer, and the top rigid coupling of rubble layer 8 has gravel layer 9, and gravel layer 9's top rigid coupling has concrete layer 10, and concrete layer 10's top rigid coupling has the road surface, and the top both sides on road surface rigid coupling respectively have guardrail 11, and it is fixed through first fixed establishment between guardrail 11 and the cold storage rod 2, and it is fixed through second fixed establishment between rubble layer 8 and the cold storage rod 2.
Store up cold stick 2 and fix through setting up first fixed establishment and second fixed establishment, prevent to store up cold stick 2 and take place to empty because of the road surface is not hard up or other factors.
In a further optimized scheme, a heat-insulating layer 12 is laid between the gravel layer 9 and the gravel layer 8. The frozen soil layer 1 is kept at a lower temperature by arranging the heat insulation layer 12.
Further optimize the scheme, first fixed establishment includes the first tongs 13 with guardrail 11 rigid coupling, and the one end that first tongs 13 kept away from guardrail 11 articulates the one end that has first connecting rod 14, and the other end of first connecting rod 14 articulates there is second tongs 15, and second tongs 15 and the lateral wall rigid coupling of cold storage stick 2, the bottom sliding connection and the supporting part of first connecting rod 14, supporting part and road surface rigid coupling.
The first gripper comprises a first fixing seat 17 hinged with a first connecting rod, wherein a top surface and a bottom surface of one side, away from the first connecting rod 14, of the first fixing seat 17 are respectively hinged with a first connecting ring 18, the shape of the first connecting ring 18 is matched with that of the guardrail 11, the guardrail 11 is fixedly connected between the two first connecting rings 18, and the two first connecting rings 18 are fixed through screws and nuts.
The second hand grip comprises a second fixing seat 19 hinged with the first connecting rod 14, two ends of one side, away from the first connecting rod, of the second fixing seat 19 are respectively hinged with a second connecting ring 20, the shape of each second connecting ring 20 is matched with that of the outer wall of the cold storage rod 2, the cold storage rod 2 is fixedly connected between the two second connecting rings 20, and the two second connecting rings 20 are fixed through screws and nuts.
The supporting part is including setting up the first spout 21 in first connecting rod 14 bottom, and sliding connection has first slider 22 in first spout 21, and the bottom of first slider 22 articulates there is screw telescopic rod 23, screw telescopic rod 23's bottom and road surface rigid coupling.
Through articulating first fixing base 17 and second fixing base 19 with first connecting rod 14, be convenient for when the angle of adjustment cold storage stick 2, fix cold storage stick 2.
Further optimize the scheme, second fixed establishment is equipped with a plurality of fasteners including being equipped with sleeve pipe 16 in rubble layer 8 in the sleeve pipe 16, and the rigid coupling has cold storage rod 2 between a plurality of fasteners, further fixes cold storage rod 2.
A construction method of a cold rod active cold conducting roadbed structure for a frozen soil area of Qinghai-Tibet plateau comprises the following steps:
a. excavating a foundation trench, and excavating the foundation trench of the pavement to be constructed in advance;
b. laying a base layer, and inserting the cold storage rod 2; after the foundation trench is dug out, a gravel layer 8, a heat insulation layer 12, a sand gravel layer 9, a concrete layer 10 and a road surface are laid in sequence, when the gravel layer is laid, a sleeve 16 is placed in the gravel layer 8, and a cold storage rod 2 is inserted into the gravel layer 8 and the frozen soil layer 1;
c. install guardrail 11 and first fixed establishment, after 11 installations of guardrail are accomplished, will store up cold stick 2 and fix through first fixed establishment.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. The utility model provides a cold stick initiative cold conduction roadbed structure for Qinghai-Tibet plateau permafrost region, includes frozen soil layer (1), its characterized in that: the top of frozen soil layer (1) is equipped with the road bed, the top of road bed is equipped with the road surface, the both sides of road bed are equipped with respectively and store up cold mechanism, store up cold mechanism including storing up cold stick (2), it stores up cryogen (3) to be equipped with in cold stick (2) to store up, the one end of storing up cold stick (2) is passed the road bed stretches into in frozen soil layer (1), the outside of storing up cold stick (2) is equipped with connector (24), connector (24) rigid coupling and intercommunication have arrange thing mechanism.
2. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 1, wherein: the top of storing up cold stick (2) is equipped with absorbs section (4), it is located to absorb section (4) the outside of road bed, the bottom of storing up cold stick (2) is equipped with stores section (5), store section (5) and be located in frozen soil layer (1).
3. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 2, wherein: a plurality of through holes (6) are formed in the circumferential direction of the outer side of the absorption section (4).
4. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 3, wherein: store up in the cold stick (2) rigid coupling and communicate with and have first connecting pipe (25), the top of first connecting pipe (25) with connector (24) rigid coupling and intercommunication, the other end of first connecting pipe (25) is located store up the bottom of cold stick (2).
5. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 4, wherein: the matter discharging mechanism comprises a second connecting pipe (26) fixedly connected and communicated with the connecting port (24), and the second connecting pipe (26) is fixedly connected and communicated with an air pump (27).
6. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 1, wherein: the road bed include with rubble layer (8) of frozen soil layer (1) rigid coupling, the top rigid coupling of rubble layer (8) has gravel layer (9), the top rigid coupling of gravel layer (9) has concrete layer (10), the top rigid coupling of concrete layer (10) has the road surface, the top both sides on road surface rigid coupling respectively have guardrail (11), guardrail (11) with it is fixed through first fixed establishment between cold stick (2) to store up, it is fixed through second fixed establishment between rubble layer (8) and the cold stick (2) of storage.
7. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 6, wherein: an insulating layer (12) is laid between the gravel layer (9) and the gravel layer (8).
8. The cold bar active cold conducting roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 7, wherein: first fixed establishment include with first tongs (13) of guardrail (11) rigid coupling, keep away from first tongs (13) the one end of guardrail (11) articulates the one end that has head rod (14), the other end of head rod (14) articulates there is second tongs (15), second tongs (15) with the lateral wall rigid coupling of cold storage stick (2), the bottom sliding connection and the supporting part of head rod (14), the supporting part with road surface rigid coupling.
9. The cold rod active cold-guiding roadbed structure for the Qinghai-Tibet plateau permafrost region according to claim 6, wherein the cold rod active cold-guiding roadbed structure comprises: the second fixing mechanism comprises a sleeve (16) arranged in the gravel layer (8), a plurality of fasteners are arranged in the sleeve (16), and the cold storage rod (2) is fixedly connected between the fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210507837.XA CN114687337B (en) | 2022-05-11 | 2022-05-11 | Cold bar active cold guide roadbed structure for frozen soil area of Qinghai-Tibet plateau |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210507837.XA CN114687337B (en) | 2022-05-11 | 2022-05-11 | Cold bar active cold guide roadbed structure for frozen soil area of Qinghai-Tibet plateau |
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| Publication Number | Publication Date |
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| CN114687337A true CN114687337A (en) | 2022-07-01 |
| CN114687337B CN114687337B (en) | 2024-02-23 |
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| CN202210507837.XA Active CN114687337B (en) | 2022-05-11 | 2022-05-11 | Cold bar active cold guide roadbed structure for frozen soil area of Qinghai-Tibet plateau |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206034218U (en) * | 2016-08-26 | 2017-03-22 | 中交第一公路勘察设计研究院有限公司 | Hot pin compound road bed of block stone layer cooling |
| CN108589456A (en) * | 2018-07-13 | 2018-09-28 | 中国科学院寒区旱区环境与工程研究所 | A kind of straight cutting oblique cutting alternative expression heat pipe road structure and its construction method |
| CN113250025A (en) * | 2021-05-07 | 2021-08-13 | 北京市政路桥股份有限公司 | Island-shaped frozen soil roadbed structure of high-latitude forest area and construction method |
| US20210355639A1 (en) * | 2020-05-13 | 2021-11-18 | Southwest University Of Science And Technology | Vertical ground heat exchanger for reducing temperature in carbonaceous shale rock mass and preventing roadbed frost heave |
| CN216378977U (en) * | 2021-10-18 | 2022-04-26 | 中山大学 | Frozen soil roadbed protective structure |
-
2022
- 2022-05-11 CN CN202210507837.XA patent/CN114687337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206034218U (en) * | 2016-08-26 | 2017-03-22 | 中交第一公路勘察设计研究院有限公司 | Hot pin compound road bed of block stone layer cooling |
| CN108589456A (en) * | 2018-07-13 | 2018-09-28 | 中国科学院寒区旱区环境与工程研究所 | A kind of straight cutting oblique cutting alternative expression heat pipe road structure and its construction method |
| US20210355639A1 (en) * | 2020-05-13 | 2021-11-18 | Southwest University Of Science And Technology | Vertical ground heat exchanger for reducing temperature in carbonaceous shale rock mass and preventing roadbed frost heave |
| CN113250025A (en) * | 2021-05-07 | 2021-08-13 | 北京市政路桥股份有限公司 | Island-shaped frozen soil roadbed structure of high-latitude forest area and construction method |
| CN216378977U (en) * | 2021-10-18 | 2022-04-26 | 中山大学 | Frozen soil roadbed protective structure |
Non-Patent Citations (1)
| Title |
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| 宁方波，陈红蕾: "寒区冻结工程利用自然冷能的空冷换热技术研究", 建井技术, vol. 36, no. 6, pages 29 - 35 * |
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| CN114687337B (en) | 2024-02-23 |
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