CN114687337B - Cold bar active cold guide roadbed structure for frozen soil area of Qinghai-Tibet plateau - Google Patents
Cold bar active cold guide roadbed structure for frozen soil area of Qinghai-Tibet plateau Download PDFInfo
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- CN114687337B CN114687337B CN202210507837.XA CN202210507837A CN114687337B CN 114687337 B CN114687337 B CN 114687337B CN 202210507837 A CN202210507837 A CN 202210507837A CN 114687337 B CN114687337 B CN 114687337B
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- cold storage
- frozen soil
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- bang
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- 239000002689 soil Substances 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 claims description 6
- 239000011232 storage material Substances 0.000 abstract description 14
- 239000004575 stone Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design 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
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a cold bar active cold-conducting roadbed structure for a frozen soil area of a Qinghai-Tibet plateau, which comprises a frozen soil layer, wherein a roadbed is arranged at the top of the frozen soil layer, a road surface is arranged at the top of the roadbed, cold storage mechanisms are respectively arranged at two sides of the roadbed, each cold storage mechanism comprises a cold storage Leng Bang, a cold storage agent is arranged in each cold storage bar, and one end of each cold storage bar penetrates through the roadbed and stretches into the frozen soil layer. According to the invention, the cold storage Leng Bang is arranged in the frozen soil layer in the plateau region, and the cold storage agent is arranged in the cold storage rod, so that cold air is sucked into the cold storage rod through the top of the cold storage rod and stored through the cold storage agent in winter, and cold air around the cold storage rod is absorbed through the bottom of the cold storage rod arranged in the frozen soil layer, and 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, so that the temperature of the frozen soil layer around the cold storage rod is reduced, and the temperature rise of the frozen soil layer is prevented.
Description
Technical Field
The invention relates to the field of roadbeds, in particular to a cold bar active cold-conducting roadbed structure for a frozen soil area of a Qinghai-Tibet plateau.
Background
Permafrost is a special natural body with changed low temperature, and the phenomena of frost heaving and thawing sinking can cause the phenomena of sinking deformation of roadbeds, thermal thawing collapse of slopes, culvert cracking and the like, thus being a main technical problem to be solved in highway engineering construction. Particularly, in the Qinghai-Tibet plateau area, many permafrost exists, and as one of the forms of active cooling roadbed, a heat rod is a novel and efficient heat transfer element, working medium of the heat rod is accumulated at the bottom of a heat pipe, an evaporation section is positioned at the lower half part of the heat pipe, a condensation section is positioned at the upper half part of the heat pipe, and an insulation section is positioned in the middle. The working medium absorbs heat supplied by a heat source in the evaporation section, evaporates, and vapor flows upwards, and releases vaporization latent heat in the condensation section to condense into liquid after passing through the heat insulation section, and flows back to the lower evaporation section to complete a working cycle due to the action of gravity. However, the main working time of the hot rod is summer, and more cold air cannot be stored in winter, so that the cold air can be released in the next year, and the permafrost can be kept at a low temperature. Therefore, a novel active cold-conducting roadbed structure of a cold bar for a frozen soil area of a Qinghai-Tibet plateau is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a cold bar active cold guide roadbed structure for a frozen soil area of a Qinghai-Tibet plateau, so as to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a cold bar active cold guide roadbed structure for a frozen soil area of a Qinghai-Tibet plateau, which comprises a frozen soil layer and is characterized in that: the top of 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 cold storage mechanism respectively, cold storage mechanism includes stores up Leng Bang, be equipped with the cold storage agent in the cold stick of storing up, the one end of cold stick of storing up passes the road bed and stretches into in the frozen soil layer, the outside of cold stick of storing up is equipped with the connector, the connector rigid coupling has row's thing mechanism in communication.
Preferably, the top of the cold storage rod is provided with an absorption section, the absorption section is positioned at the outer side of the roadbed, the bottom of the cold storage rod is provided with a storage section, and the storage section is positioned in the frozen soil layer.
Preferably, a plurality of through holes are circumferentially arranged on the outer side of the absorption section.
Preferably, a first connecting pipe is fixedly connected and communicated in the storage Leng Bang, 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 positioned at the bottom of the cold storage rod.
Preferably, the discharging mechanism comprises a second connecting pipe fixedly connected and communicated with the connecting port, and an air pump is fixedly connected and communicated with the second connecting pipe.
Preferably, the roadbed comprises a gravel layer fixedly connected with the frozen soil layer, a gravel layer is fixedly connected to the top of the gravel layer, a concrete layer is fixedly connected to the top of the gravel layer, the pavement is fixedly connected to the top of the concrete layer, guardrails are fixedly connected to two sides of the top of the pavement respectively, the guardrails are fixed with the cold storage rods through a first fixing mechanism, and the gravel layer is fixed with the cold storage rods through a second fixing mechanism.
Preferably, an insulating layer is laid between the gravel layer and the crushed stone layer.
Preferably, the first fixing mechanism comprises a first handle fixedly connected with the guardrail, one end of the first handle, 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 handle, the second handle is fixedly connected with the side wall of the cold storage rod, the bottom of the first connecting rod is slidably connected with a supporting part, and the supporting part is fixedly connected with the road surface.
Preferably, the second fixing mechanism comprises a sleeve arranged in the crushed stone layer, a plurality of fasteners are arranged in the sleeve, and the storage Leng Bang is fixedly connected between the fasteners.
The invention discloses the following technical effects: according to the invention, the cold storage Leng Bang is arranged in the frozen soil layer in the plateau region, and the cold storage agent is arranged in the cold storage rod, so that cold air is sucked into the cold storage rod through the top of the cold storage rod and stored through the cold storage agent in winter, and cold air around the cold storage rod is absorbed through the bottom of the cold storage rod arranged in the frozen soil layer, and 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, so that the temperature of the frozen soil layer around the cold storage rod is reduced, and the temperature rise of the frozen soil layer is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a cold bar active cold conducting roadbed structure for a Qinghai-Tibet plateau frozen soil area according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic structural view of a first fixing mechanism;
wherein: 1. a frozen soil layer; 2. a store Leng Bang; 3. a cold storage agent; 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. guard bars; 12. a heat preservation layer; 13. a first grip; 14. a first connecting rod; 15. a second grip; 16. a sleeve; 17. a first fixing seat; 18. a first connection ring; 19. the second fixing seat; 20. a second connecting ring; 21. a first chute; 22. a first slider; 23. a threaded telescopic rod; 24. a connection port; 25. a first connection pipe; 26. a second connection pipe; 27. an air pump; 28. and (5) collecting a box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the invention provides a cold bar active cold guide roadbed structure for a frozen soil area of a 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 at two sides of the roadbed, each cold storage mechanism comprises a storage Leng Bang 2, a cold storage agent 3 is arranged in each cold storage bar 2, one end of each cold storage bar 2 penetrates through the roadbed and stretches into the frozen soil layer 1, a connecting port 24 is arranged at the outer side of each cold storage bar 2, and the connecting ports 24 are fixedly connected and communicated with a discharge mechanism.
According to the invention, the cold storage Leng Bang 2 is arranged in a frozen soil layer in a plateau region, the cold storage 3 is arranged in the cold storage rod 2, cold air is sucked into the cold storage rod 2 through the top of the cold storage rod 2 and stored through the cold storage 3 in winter, cold air around the cold storage rod 2 is absorbed through the bottom of the cold storage rod 2 arranged in the frozen soil layer 1 and stored through the cold storage 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 3, the frozen soil layer 1 around the cold storage rod 2 is cooled, the temperature rise of the frozen soil layer 1 is prevented, a connecting port 24 is arranged outside the cold storage rod 2 and communicated with a discharging mechanism through the connecting port 24, used cold storage 3 is sucked out through the discharging mechanism in autumn, and new cold storage 3 is filled into the cold storage rod 2 through the discharging mechanism for storing cold in winter.
Further optimizing scheme, the top of cold storage stick 2 is equipped with absorption section 4, and absorption section 4 is located the outside of road bed, and the bottom of cold storage stick 2 is equipped with storage section 5, and storage section 5 is located frozen soil layer 1.
The absorption section 4 is used for absorbing cool air from the outside, and the storage section 5 is used for storing the absorbed cool air through the refrigerant storage 3.
Further optimizing scheme, the outside circumference of absorption section 4 is equipped with a plurality of through-holes 6. Facilitating the entry of cold air into the cold storage bar 2.
In a further optimized scheme, a first connecting pipe 25 is fixedly connected and communicated in the cold storage rod 2, the top of the first connecting pipe 25 is fixedly connected and communicated with the connecting port 24, and the other end of the first connecting pipe 25 is positioned at the bottom of the cold storage rod 2.
Further optimizing scheme, the 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 arrangement of the material discharging mechanisms is arranged at intervals, and each material discharging mechanism can be used for 4-6 adjacent cold storage bars 2.
When the refrigerant 3 is required to be sucked out, the air pump 27 is opened, so that the air pump 27 pumps air outwards, and the refrigerant 3 sequentially passes through the first connecting pipe 25, the connecting port 24, the second connecting pipe 26 and the air pump 27 to enter the collecting box 28; when a new refrigerant 3 needs to be placed, the air pump 27 is opened to charge the air pump 27 inwards, and the refrigerant 3 sequentially passes through the collecting tank 28, the air pump 27, the second connecting pipe 26, the connecting port 24 and the first connecting pipe 25 to enter the cold storage rod 2.
In a further optimized scheme, the cold storage agent 3 is a eutectic phase change cold storage material.
Further optimizing scheme, the road bed includes the gravel layer 8 with frozen soil layer 1 rigid coupling, and the top rigid coupling of gravel layer 8 has gravel layer 9, and the top rigid coupling of gravel layer 9 has concrete layer 10, and the top rigid coupling of concrete layer 10 has the road surface, and the top both sides of road surface rigid coupling respectively have guardrail 11, and be fixed through first fixed establishment between guardrail 11 and the cold storage stick 2, be fixed through second fixed establishment between gravel layer 8 and the cold storage stick 2.
Through setting up first fixed establishment and second fixed establishment with store up cold stick 2 and fix, prevent to store up cold stick 2 and take place to empty because of road surface looseness or other factors.
In a further optimized scheme, an insulation layer 12 is laid between the gravel layer 9 and the crushed stone layer 8. By providing the insulating layer 12, the frozen soil layer 1 is kept at a lower temperature.
Further optimizing scheme, first fixed establishment includes the first tongs 13 with guardrail 11 rigid coupling, and the one end that guardrail 11 was kept away from to first tongs 13 articulates there is the one end of head rod 14, and the other end of head rod 14 articulates there is second tongs 15, and the lateral wall rigid coupling of second tongs 15 and cold storage stick 2, the bottom sliding connection of head rod 14 has supporting part, supporting part and road surface rigid coupling.
The first grab handle comprises a first fixing seat 17 hinged with the first connecting rod, a first connecting ring 18 is hinged to the top surface and the bottom surface of one side, far away from the first connecting rod 14, of the first fixing seat 17, 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 screw nuts.
The second tongs include with the articulated second fixing base 19 of head rod 14, the second fixing base 19 is kept away from the one side both ends of head rod and is articulated respectively to have second go-between 20, and the shape looks adaptation of second go-between 20 and the shape looks adaptation of storage Leng Bang 2 outer wall has the storage Leng Bang 2, and two second go-between 20 are fixed through screw nut.
The supporting part comprises a first chute 21 arranged at the bottom of the first connecting rod 14, a first sliding block 22 is connected in a sliding manner in the first chute 21, a threaded telescopic rod 23 is hinged to the bottom of the first sliding block 22, and the bottom of the threaded telescopic rod 23 is fixedly connected with a road surface.
By hinging the first fixing seat 17 and the second fixing seat 19 with the first connecting rod 14, the cold storage rod 2 is conveniently fixed when the angle of the cold storage rod 2 is adjusted.
Further optimizing scheme, second fixed establishment is including being equipped with the sleeve pipe 16 in rubble layer 8, is equipped with a plurality of fasteners in the sleeve pipe 16, and the rigid coupling has the storage Leng Bang 2 between a plurality of fasteners, further fixes cold storage stick 2.
A construction method of a cold bar active cold guide roadbed structure for a frozen soil region of a Qinghai-Tibet plateau comprises the following steps:
a. digging a foundation trench, and digging out the foundation trench of the pavement to be constructed in advance;
b. laying a base layer and inserting Chu Lengbang; after the foundation trench is dug out, paving the gravel layer 8, the heat preservation layer 12, the gravel layer 9, the concrete layer 10 and the pavement in sequence, putting the sleeve 16 into the gravel layer 8 when paving the gravel layer, and inserting the cold storage rod 2 into the gravel layer 8 and the frozen soil layer 1;
c. install guardrail 11 and first fixed establishment, after the guardrail 11 installation is accomplished, will store up cold stick 2 and fix through first fixed establishment.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (5)
1. A cold stick initiative cold-conducting roadbed structure for Qinghai-Tibet plateau frozen soil 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 and include storing Leng Bang (2), store up Leng Bang (2) in be equipped with store up refrigerant (3), store up Leng Bang (2) one end pass the road bed and stretch into in frozen soil layer (1), store up Leng Bang (2) outside is equipped with connector (24), connector (24) rigid coupling and intercommunication have a row of thing mechanism;
an absorption section (4) is arranged at the top of the storage Leng Bang (2), the absorption section (4) is positioned at the outer side of the roadbed, a storage section (5) is arranged at the bottom of the storage Leng Bang (2), and the storage section (5) is positioned in the frozen soil layer (1);
the outer side of the absorption section (4) is circumferentially provided with a plurality of through holes (6);
a first connecting pipe (25) is fixedly connected and communicated in the storage Leng Bang (2), the top of the first connecting pipe (25) is fixedly connected and communicated with the connecting port (24), and the other end of the first connecting pipe (25) is positioned at the bottom of the storage Leng Bang (2);
the discharging mechanism comprises a second connecting pipe (26) fixedly connected and communicated with the connecting port (24), and an air pump (27) is fixedly connected and communicated with the second connecting pipe (26).
2. The cold bar active cold guide roadbed structure for a Qinghai-Tibet plateau permafrost region of claim 1, wherein: roadbed include with gravel layer (8) of frozen soil layer (1) rigid coupling, gravel layer (9) are had in the top rigid coupling of gravel layer (8), 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 has guardrail (11) respectively, guardrail (11) with store up Leng Bang and be fixed through first fixed establishment between (2), gravel layer (8) are fixed through second fixed establishment between storing up Leng Bang (2).
3. The cold bar active cold guide roadbed structure for a Qinghai-Tibet plateau permafrost region of claim 2, wherein: an insulating layer (12) is paved between the gravel layer (9) and the gravel layer (8).
4. The cold bar active cold guide roadbed structure for a Qinghai-Tibet plateau permafrost region of claim 3, wherein: the first fixing mechanism comprises a first grab handle (13) fixedly connected with the guardrail (11), one end of the first grab handle (13) away from the guardrail (11) is hinged with one end of a first connecting rod (14), the other end of the first connecting rod (14) is hinged with a second grab handle (15), the second grab handle (15) is fixedly connected with the side wall of the storage Leng Bang (2), and a supporting part is connected to the bottom of the first connecting rod (14) in a sliding mode and is fixedly connected with the road surface.
5. The cold bar active cold guide roadbed structure for a Qinghai-Tibet plateau permafrost region of claim 2, wherein: 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 storage Leng Bang (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114687337A CN114687337A (en) | 2022-07-01 |
| CN114687337B true CN114687337B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 (4)
| 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 |
| CN216378977U (en) * | 2021-10-18 | 2022-04-26 | 中山大学 | Frozen soil roadbed protective structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426085B (en) * | 2020-05-13 | 2021-06-22 | 西南科技大学 | Vertical type ground heat exchanger for preventing and treating frost heaving of roadbed |
-
2022
- 2022-05-11 CN CN202210507837.XA patent/CN114687337B/en active Active
Patent Citations (4)
| 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 |
| CN216378977U (en) * | 2021-10-18 | 2022-04-26 | 中山大学 | Frozen soil roadbed protective structure |
Non-Patent Citations (1)
| Title |
|---|
| 寒区冻结工程利用自然冷能的空冷换热技术研究;宁方波，陈红蕾;建井技术;第36卷(第6期);29-35 * |
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| CN114687337A (en) | 2022-07-01 |
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