CN108867224A - A kind of expressway highway subgrade and its construction method - Google Patents
A kind of expressway highway subgrade and its construction method Download PDFInfo
- Publication number
- CN108867224A CN108867224A CN201811133170.1A CN201811133170A CN108867224A CN 108867224 A CN108867224 A CN 108867224A CN 201811133170 A CN201811133170 A CN 201811133170A CN 108867224 A CN108867224 A CN 108867224A
- Authority
- CN
- China
- Prior art keywords
- roadbed
- fender rod
- matrix
- underlayment
- highway subgrade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
-
- 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
- E01C3/006—Foundations for pavings made of prefabricated single units
-
- 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
- E01C3/04—Foundations produced by soil stabilisation
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/06—Continuous barriers extending along roads or between traffic lanes essentially made of cables, nettings or the like
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of expressway highway subgrades, including matrix, roadbed ontology, underlayment, storage lid and fixture block, center position inside described matrix is equipped with roadbed ontology, the center position of roadbed body interior is equipped with adhesive filler, roadbed body interior below described adhesive filler is equipped with underlayment, adhesive filler is equipped with insulating layer far from the roadbed body interior of underlayment side, the intrinsic silicon of roadbed ontology two sides is all equipped with rainwater storage cavity, discharge outlet is all equipped on two lateral walls of described matrix, two sides above described matrix are all equipped with the first fender rod, the bottom end of first fender rod is equipped with equidistant second fender rod, baseline top below second fender rod is equipped with groove, fixture block is all equipped on two inner sidewalls of groove top.The invention also discloses a kind of construction methods of expressway highway subgrade.The present invention not only extends the service life of roadbed, it is ensured that the fluency of road when roadbed uses also improves safety when roadbed uses.
Description
Technical field
The present invention relates to roadbed technical field, specially a kind of expressway highway subgrade and its construction method.
Background technique
Roadbed is the basis on track or road surface, is the earthen structure by excavating or filling and formed, the master of roadbed
Act on be for track or road surfacing and train or driving operation necessary condition is provided, and bear track and rolling stock or
The dead load and dynamic load of person road surface and traffic loading, while load being transmitted and being spread to ground depths, on vertical section, road
Base must assure that the elevation that route needs, and in the plane, roadbed connect the route that composition completely penetrates through with bridge, tunnel, in soil
In wood engineering, roadbed is all occupied an important position in construction quantity, occupied area and investing, just needed on highway using
To roadbed, general roadbed can only play the role of simple carrying, have certain limitation, and place to be improved is also more,
Roadbed is all, due to being influenced by temperature, phenomena such as will appear deformation over time, to lead to its damage, another person in the external world
Rainwater season is being encountered, a large amount of rainwater will certainly be accumulated, is leading to the blocking of route, when accident occurs for vehicle, may gone out
Road, therefore the corresponding safeguard procedures of roadbed are also to need to consider, so can reduce unexpected incidence.
Summary of the invention
The purpose of the present invention is to provide a kind of expressway highway subgrades, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of expressway highway subgrade, including matrix, road
Basic body, underlayment, storage is covered and fixture block, and the center position inside described matrix is equipped with roadbed ontology, roadbed body interior
Center position be equipped with adhesive filler, the roadbed body interior below described adhesive filler is equipped with underlayment, glues
Mixture filler is equipped with insulating layer far from the roadbed body interior of underlayment side, and the intrinsic silicon of roadbed ontology two sides is all
Equipped with rainwater storage cavity, it is all equipped with discharge outlet on two lateral walls of described matrix, and one end of discharge outlet extends to rain water storage
The inside of cavity is deposited, the two sides above described matrix are all equipped with the first fender rod, and the bottom end of the first fender rod is equipped with equidistant
Second fender rod, and protective net is all installed between adjacent second fender rod, the baseline top below second fender rod is set
It is fluted, fixture block is all equipped on two inner sidewalls of groove top.
Preferably, the inside of the underlayment is filled with graphene.
Preferably, the equal length of the length of the underlayment and insulating layer.
Preferably, the inside of the insulating layer is filled with glue powder polyphenyl particle.
Preferably, card slot is all equipped on two lateral walls of second fender rod bottom, and card slot and fixture block cooperate.
Preferably, the baseline top above the rainwater storage cavity is equipped with storage lid.
A kind of construction method of expressway highway subgrade, the construction method of roadbed as described in claim 1.
Compared with prior art, the beneficial effects of the invention are as follows：The expressway highway subgrade passes through in roadbed body interior
Center position sets adhesive filler, and adhesive filler sets insulating layer far from underlayment side roadbed body interior, heat preservation
Layer is internal to fill glue powder polyphenyl particle, the heat insulation function of roadbed is realized, so that the service life of roadbed is extended, by road
Basic body two sides intrinsic silicon sets rainwater storage cavity, and discharge outlet, matrix above rainwater storage cavity are set on two lateral wall of matrix
Top set storage lid, realize the drain function of roadbed, ensure that roadbed use when road fluency, while by
Two sides set the first fender rod above matrix, and the first fender rod bottom end sets equidistant second fender rod, pacifies between the second fender rod
Protective net is filled, the safeguard function of roadbed is realized, to improve safety when roadbed uses, the present invention not only extends road
The service life of base, it is ensured that the fluency of road when roadbed uses also improves safety when roadbed uses.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is local overlooking structural schematic diagram of the invention；
Fig. 3 is partial enlargement structural representation of the invention；
Fig. 4 is broken section structural schematic diagram of the invention.
In figure：1, matrix；2, roadbed ontology；3, underlayment；4, graphene；5, adhesive filler；6, adhesive polystyrene
Grain；7, insulating layer；8, storage lid；9, the first fender rod；10, the second fender rod；11, rainwater storage cavity；12, discharge outlet；13,
Groove；14, protective net；15, fixture block；16, card slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of embodiment provided by the invention：A kind of expressway highway subgrade, including matrix 1, roadbed
Ontology 2, underlayment 3, storage lid 8 and fixture block 15, center position inside matrix 1 is equipped with roadbed ontology 2, in roadbed ontology 2
The center position in portion is equipped with adhesive filler 5, is equipped with underlayment 3 inside the roadbed ontology 2 of 5 lower section of adhesive filler,
The inside of underlayment 3 is filled with graphene 4, improves the toughness of underlayment 3, the length and the length phase of insulating layer 7 of underlayment 3
Deng being kept the temperature convenient for insulating layer 7 to underlayment 3, adhesive filler 5 is set inside the roadbed ontology 2 far from 3 side of underlayment
There is insulating layer 7, the inside of insulating layer 7 is filled with glue powder polyphenyl particle 6, realizes the heat insulation effect of insulating layer 7, roadbed ontology 2
It is all equipped with rainwater storage cavity 11 inside the matrix 1 of two sides, is equipped with storage lid 8 at the top of the matrix 1 of 11 top of rainwater storage cavity,
Convenient for being stored in rainwater to rainwater storage cavity 11, discharge outlet 12, and the one of discharge outlet 12 are all equipped on two lateral walls of matrix 1
End extends to the inside of rainwater storage cavity 11, and the two sides of 1 top of matrix are all equipped with the first fender rod 9, the bottom of the first fender rod 9
End is equipped with equidistant second fender rod 10, and card slot 16, and card slot 16 are all equipped on two lateral walls of 10 bottom of the second fender rod
It cooperates with fixture block 15, convenient for the dismounting of the second fender rod 10, and protective net is all installed between adjacent second fender rod 10
14, groove 13 is equipped at the top of the matrix 1 of the lower section of the second fender rod 10, is all equipped with fixture block 15 on two inner sidewalls at 13 top of groove.
Described adhesive filler (5) includes the mixture of the polyethylene glycol of following 20%-30%, povidone and hydroxypropylcellulose,
The polyurethane prepolymer of 5%-10%, the mixture of 20%-25% sodium trimetaphosphate (STMP), sodium tripolyphosphate (STPP),
The glass microballoon of 40%-50%.
Embodiment one：
A kind of expressway highway subgrade, including matrix 1, roadbed ontology 2, underlayment 3, storage lid 8 and fixture block 15, the base
Center position inside body 1 is equipped with roadbed ontology 2, and the center position inside roadbed ontology 2 is equipped with adhesive filler 5,
It is equipped with underlayment 3 inside the roadbed ontology 2 of 5 lower section of described adhesive filler, adhesive filler 5 is far from 3 side of underlayment
Roadbed ontology 2 inside be equipped with insulating layer 7, rainwater storage cavity 11 is all equipped with inside the matrix 1 of 2 two sides of roadbed ontology,
Discharge outlet 12 is all equipped on two lateral walls of described matrix 1, and one end of discharge outlet 12 extends to the interior of rainwater storage cavity 11
Portion, the two sides of 1 top of described matrix are all equipped with the first fender rod 9, and the bottom end of the first fender rod 9 is equipped with equidistant second protection
Bar 10, and protective net 14 is all installed between adjacent second fender rod 10, it is set at the top of the matrix 1 of 10 lower section of the second fender rod
Fluted 13, fixture block 15 is all equipped on two inner sidewalls at the top of groove 13, and described adhesive filler 5 includes following parts by weight
Raw material：The mixture of 20% polyethylene glycol, povidone and hydroxypropylcellulose, 10% polyurethane prepolymer, 20% 3 inclined phosphorus
Sour sodium (STMP), sodium tripolyphosphate (STPP) mixture, 50% glass microballoon.
Embodiment two：
A kind of expressway highway subgrade, including matrix 1, roadbed ontology 2, underlayment 3, storage lid 8 and fixture block 15, the base
Center position inside body 1 is equipped with roadbed ontology 2, and the center position inside roadbed ontology 2 is equipped with adhesive filler 5,
It is equipped with underlayment 3 inside the roadbed ontology 2 of 5 lower section of described adhesive filler, adhesive filler 5 is far from 3 side of underlayment
Roadbed ontology 2 inside be equipped with insulating layer 7, rainwater storage cavity 11 is all equipped with inside the matrix 1 of 2 two sides of roadbed ontology,
Discharge outlet 12 is all equipped on two lateral walls of described matrix 1, and one end of discharge outlet 12 extends to the interior of rainwater storage cavity 11
Portion, the two sides of 1 top of described matrix are all equipped with the first fender rod 9, and the bottom end of the first fender rod 9 is equipped with equidistant second protection
Bar 10, and protective net 14 is all installed between adjacent second fender rod 10, it is set at the top of the matrix 1 of 10 lower section of the second fender rod
Fluted 13, fixture block 15 is all equipped on two inner sidewalls at the top of groove 13, and described adhesive filler 5 includes following parts by weight
Raw material：The mixture of 30% polyethylene glycol, povidone and hydroxypropylcellulose, 10% polyurethane prepolymer, 20% 3 inclined phosphorus
Sour sodium (STMP), sodium tripolyphosphate (STPP) mixture, 40% glass microballoon.
Embodiment three：
A kind of expressway highway subgrade, including matrix 1, roadbed ontology 2, underlayment 3, storage lid 8 and fixture block 15, the base
Center position inside body 1 is equipped with roadbed ontology 2, and the center position inside roadbed ontology 2 is equipped with adhesive filler 5,
It is equipped with underlayment 3 inside the roadbed ontology 2 of 5 lower section of described adhesive filler, adhesive filler 5 is far from 3 side of underlayment
Roadbed ontology 2 inside be equipped with insulating layer 7, rainwater storage cavity 11 is all equipped with inside the matrix 1 of 2 two sides of roadbed ontology,
Discharge outlet 12 is all equipped on two lateral walls of described matrix 1, and one end of discharge outlet 12 extends to the interior of rainwater storage cavity 11
Portion, the two sides of 1 top of described matrix are all equipped with the first fender rod 9, and the bottom end of the first fender rod 9 is equipped with equidistant second protection
Bar 10, and protective net 14 is all installed between adjacent second fender rod 10, it is set at the top of the matrix 1 of 10 lower section of the second fender rod
Fluted 13, fixture block 15 is all equipped on two inner sidewalls at the top of groove 13, and described adhesive filler 5 includes following parts by weight
Raw material：The mixture of 30% polyethylene glycol, povidone and hydroxypropylcellulose, 10% polyurethane prepolymer, 25% 3 inclined phosphorus
Sour sodium (STMP), sodium tripolyphosphate (STPP) mixture, 50% glass microballoon.
Working principle：When roadbed in use, passing through the adhesive filler 5 at 2 inner hub location of roadbed ontology first,
It is securely fastened to adhesive filler 5 under adhesive filler 5 far from the insulating layer 7 inside 3 side roadbed ontology 2 of underlayment
3 top of underlayment inside Fang Luji ontology 2, since the glue powder polyphenyl particle 6 inside insulating layer 7 exists, insulating layer 7 has
Heat insulation function improves the service life of roadbed so that underlayment 3 be made not influenced by temperature, is passing through rainwater storage cavity
The storage lid 8 at 11 top matrix, 1 top, rainwater is introduced into the rainwater storage cavity 11 inside 2 two sides matrix 1 of roadbed ontology,
It can be discharged by the discharge outlet 12 on 1 liang of lateral wall of matrix, road is avoided to cause blockages, finally by 13 top two of groove
Fixture block 15 on side wall is caught in into the card slot 16 on 10 bottom of the second fender rod, two lateral wall, by 9 bottom end of the first fender rod
Second fender rod 10 is fixed on matrix 1, while between the first fender rod 9 and the second fender rod 10 of 1 top two sides of matrix
Protective net 14 enhances its safeguard function, to complete the use of roadbed.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of expressway highway subgrade, including matrix (1), roadbed ontology (2), underlayment (3), storage lid (8) and fixture block
(15), it is characterised in that：The internal center position of described matrix (1) is equipped with roadbed ontology (2), roadbed ontology (2) inside
Center position is equipped with adhesive filler (5), and bottom is equipped with inside the roadbed ontology (2) below described adhesive filler (5)
Base (3), roadbed ontology (2) of the adhesive filler (5) far from underlayment (3) side is internal to be equipped with insulating layer (7), the road
The matrix (1) of basic body (2) two sides is internal to be all equipped with rainwater storage cavity (11), all sets on two lateral walls of described matrix (1)
Have discharge outlet (12), and one end of discharge outlet (12) extends to the inside of rainwater storage cavity (11), above described matrix (1)
Two sides are all equipped with the first fender rod (9), and the bottom end of the first fender rod (9) is equipped with equidistant second fender rod (10), and adjacent
It is all equipped between second fender rod (10) protective net (14), is equipped at the top of the matrix (1) below second fender rod (10)
Groove (13) is all equipped with fixture block (15) on two inner sidewalls at the top of groove (13), and described adhesive filler (5) includes following heavy
Measure the raw material of part：The mixture of the polyethylene glycol of 20%-30%, povidone and hydroxypropylcellulose, the polyurethane of 5%-10% are pre-
Polymers, the mixture of 20%-25% sodium trimetaphosphate (STMP), sodium tripolyphosphate (STPP), the glass microballoon of 40%-50%.
2. a kind of expressway highway subgrade according to claim 1, it is characterised in that：The inside of the underlayment (3) is filled out
Filled with graphene (4).
3. a kind of expressway highway subgrade according to claim 1, it is characterised in that：The length of the underlayment (3) with
The equal length of insulating layer (7).
4. a kind of expressway highway subgrade according to claim 1, it is characterised in that：The inside of the insulating layer (7) is filled out
Filled with glue powder polyphenyl particle (6).
5. a kind of expressway highway subgrade according to claim 1, it is characterised in that：Second fender rod (10) bottom
Two lateral walls on be all equipped with card slot (16), and card slot (16) and fixture block (15) cooperate.
6. a kind of expressway highway subgrade according to claim 1, it is characterised in that：On the rainwater storage cavity (11)
Storage lid (8) is equipped at the top of the matrix (1) of side.
7. a kind of construction method of expressway highway subgrade, which is characterized in that the construction method of roadbed as described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133170.1A CN108867224B (en) | 2018-09-27 | 2018-09-27 | A kind of expressway highway subgrade and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133170.1A CN108867224B (en) | 2018-09-27 | 2018-09-27 | A kind of expressway highway subgrade and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108867224A true CN108867224A (en) | 2018-11-23 |
| CN108867224B CN108867224B (en) | 2019-09-24 |
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ID=64324774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811133170.1A Active CN108867224B (en) | 2018-09-27 | 2018-09-27 | A kind of expressway highway subgrade and its construction method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2160336C2 (en) * | 1999-03-01 | 2000-12-10 | Дальневосточный государственный университет путей сообщения | Earth road bed on permafrost base |
| JP2008266993A (en) * | 2007-04-20 | 2008-11-06 | Furukawa Electric Co Ltd:The | Water storage unit and watering system using the water storage unit |
| CN205046438U (en) * | 2015-10-20 | 2016-02-24 | 山东大学 | City porous pavement structure reaches collects system that utilizes based on rainwater of this porous pavement |
| CN107163735A (en) * | 2017-07-04 | 2017-09-15 | 合肥慧林建材有限公司 | A kind of metope high-elastic waterproof coating and preparation method thereof |
| CN107201709A (en) * | 2016-03-17 | 2017-09-26 | 中国科学院寒区旱区环境与工程研究所 | A kind of roadbed of overall balanced cooling cold-storage |
| CN108316081A (en) * | 2018-04-24 | 2018-07-24 | 西南科技大学 | A kind of temperature and humidity control system for frozen ground regions road structure |
-
2018
- 2018-09-27 CN CN201811133170.1A patent/CN108867224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2160336C2 (en) * | 1999-03-01 | 2000-12-10 | Дальневосточный государственный университет путей сообщения | Earth road bed on permafrost base |
| JP2008266993A (en) * | 2007-04-20 | 2008-11-06 | Furukawa Electric Co Ltd:The | Water storage unit and watering system using the water storage unit |
| CN205046438U (en) * | 2015-10-20 | 2016-02-24 | 山东大学 | City porous pavement structure reaches collects system that utilizes based on rainwater of this porous pavement |
| CN107201709A (en) * | 2016-03-17 | 2017-09-26 | 中国科学院寒区旱区环境与工程研究所 | A kind of roadbed of overall balanced cooling cold-storage |
| CN107163735A (en) * | 2017-07-04 | 2017-09-15 | 合肥慧林建材有限公司 | A kind of metope high-elastic waterproof coating and preparation method thereof |
| CN108316081A (en) * | 2018-04-24 | 2018-07-24 | 西南科技大学 | A kind of temperature and humidity control system for frozen ground regions road structure |
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| Publication number | Publication date |
|---|---|
| CN108867224B (en) | 2019-09-24 |
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