CN212582326U - Novel highway engineering prevention maintenance type bituminous pavement structure - Google Patents
Novel highway engineering prevention maintenance type bituminous pavement structure Download PDFInfo
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- CN212582326U CN212582326U CN202021133361.0U CN202021133361U CN212582326U CN 212582326 U CN212582326 U CN 212582326U CN 202021133361 U CN202021133361 U CN 202021133361U CN 212582326 U CN212582326 U CN 212582326U
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- 238000012423 maintenance Methods 0.000 title claims abstract description 17
- 230000002265 prevention Effects 0.000 title claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 24
- 239000002689 soil Substances 0.000 claims abstract description 23
- 230000000670 limiting effect Effects 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 64
- 239000010426 asphalt Substances 0.000 claims description 25
- 239000002344 surface layer Substances 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 8
- 230000003449 preventive effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model relates to a novel highway engineering prevention maintenance type bituminous paving structure, include: a soil base layer; a sub-base layer poured on the soil base layer; the cement base layer is poured on the subbase layer; and lay the pitch surface course on the cement base course, be provided with between cement base course and the subbase course, be used for carrying out reinforced (rfd) reinforcing apparatus to the cement base course, reinforcing apparatus includes: a plurality of support base plates arranged on the subbase layer; a plurality of support rods arranged on the support base plate; a supporting block arranged on the supporting rod; the bearing bottom plate is arranged on the support rod and deviates from the support bottom plate; the fixing assembly is arranged between the supporting bottom plate and the subbase layer and used for fixing and limiting the supporting bottom plate; and the connecting assembly is arranged between the two adjacent supporting blocks. The utility model discloses have and carry out reinforced (rfd) effect to road surface structure to can reduce the road surface structure and appear destroying and the sunken condition, and then can improve road surface structure's life.
Description
Technical Field
The utility model belongs to the technical field of the technique of highway engineering road surface structure and specifically relates to a novel highway engineering prevention maintenance type bituminous pavement structure is related to.
Background
At present, with the development of socioeconomic in China, traffic construction is also developed vigorously, and the road traffic mileage is increased rapidly. Under the action of long-term load and environmental factors, the performance of the highway material at the end of the design life is gradually attenuated, and diseases gradually occur, besides road surface diseases, the highway material is usually accompanied by diseases such as interlayer badness, internal damage, looseness and the like in a structural layer, and if the maintenance treatment is not carried out in time, the highway material can cause relatively adverse effects on the long-term performance of the whole pavement structure. However, the existence of ruts, pits, water damage, reflection damage and other diseases has a serious influence on the service life of the pavement structure, and the maintenance cost of the pavement structure is increased.
The utility model discloses a chinese utility model file that current bulletin number is CN205804079U discloses a novel highway engineering prevention maintenance type bituminous paving structure, including crack control veneer, SMA-13 discontinuous type close-graded asphalt upper surface layer, linoleum ply, the flexible basic unit of LSPM large particle diameter permeable asphalt mixture and cement stabilization rubble underlayer, crack control veneer, SMA-13 discontinuous type close-graded asphalt upper surface layer, linoleum ply, the flexible basic unit of LSPM large particle diameter permeable asphalt mixture and cement stabilization rubble underlayer have been laid in proper order by last under to the pavement structure, the utility model discloses low cost, road performance are superior, reduce the emergence of diseases such as water damage, reflection destruction, improve pavement structure's life.
The above prior art solutions have the following drawbacks: however, over time, in some road sections where large vehicles often run, the base course is continuously crushed by the large vehicles and the surrounding environment factors affect the base course, and the base course is still damaged and sunk, so that the structure of the road surface is damaged, and the running of the passing vehicles is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel highway engineering prevention maintenance type bituminous pavement structure, has the effect of consolidating to the road surface structure to can reduce the road surface structure condition that destroys and subsides, and then can improve road surface structure's life.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a novel highway engineering prevention maintenance type bituminous paving structure, includes: a soil base layer; a sub-base layer poured on the soil base layer; a cement base layer poured on the subbase layer; and lay in pitch surface course on the cement base course, the cement base course with be provided with between the subbase course, be used for right the cement base course carries out reinforced (rfd) reinforcing apparatus, reinforcing apparatus includes: a plurality of support floors disposed on the sub-base layer; a plurality of support rods arranged on the support base plate; the supporting block is arranged on the supporting rod; the bearing bottom plate is arranged on the support rod and deviates from the support bottom plate; the fixing assembly is arranged between the supporting bottom plate and the subbase layer and used for fixing and limiting the supporting bottom plate; and the connecting component is arranged between two adjacent supporting blocks.
Through adopting above-mentioned technical scheme, through setting up supporting baseplate, bracing piece, supporting shoe and bearing the structure that the bottom plate mutually supported, have and carry out reinforced (rfd) effect to road surface structure to can reduce the road surface structure and appear destroying and the sunken condition, and then can improve road surface structure's life.
The present invention may be further configured in a preferred embodiment as: the fixed assembly comprises a plurality of embedded parts arranged in the subbase layer; a plurality of screw rods with one ends welded on the embedded parts and the other ends extending out of the subbase layer; a plurality of limiting blocks arranged on the peripheral side surfaces of the supporting bottom plate; a limiting hole which penetrates through the limiting block and is matched with the screw rod; and the first nuts are in threaded connection with the screw rods.
Through adopting above-mentioned technical scheme, through setting up the structure that screw rod, stopper and first nut mutually supported, can be convenient for fix supporting baseplate, bracing piece, supporting shoe and bearing bottom plate firmly in the built-in fitting to can be convenient for play reinforced (rfd) effect to the road surface structure.
The present invention may be further configured in a preferred embodiment as: the embedded part comprises a fixed plate arranged in the subbase layer; a plurality of fixing rods welded on one side of the fixing plate, which is far away from the screw rod; and the fixed block is welded at one end of the fixed rod, which is far away from the fixed plate.
Through adopting above-mentioned technical scheme, through setting up the structure that fixed plate, dead lever and fixed block mutually supported, can be convenient for play the fixed effect of connection that stabilizes more to the supporting baseplate to make bracing piece, supporting shoe and bear the bottom plate can stabilize and install on the supporting baseplate.
The present invention may be further configured in a preferred embodiment as: the connecting assembly comprises a plurality of threaded holes formed in the side surfaces of the periphery of the supporting block; a plurality of connecting rods connected to the support blocks; the threaded rod is connected to one end of the connecting rod and is in threaded connection with the threaded hole; and the connecting piece is arranged between two adjacent connecting rods.
Through adopting above-mentioned technical scheme, through setting up the structure that threaded rod and screw hole mutually supported, can be convenient for with connecting rod fixed connection on the supporting shoe.
The present invention may be further configured in a preferred embodiment as: the connecting piece comprises a connecting block arranged at one end of the connecting rod, which is far away from the threaded rod; a plurality of connecting holes penetrating through the connecting block; a plurality of bolts simultaneously penetrate through the two connecting blocks and are matched with the connecting holes; and a plurality of second nuts threadedly coupled to the bolts.
Through adopting above-mentioned technical scheme, through setting up the structure that connecting block, bolt and second nut mutually supported, can be convenient for be in the same place two adjacent connecting rods interconnect.
The present invention may be further configured in a preferred embodiment as: the supporting bottom plate, the supporting rod, the supporting block and the bearing bottom plate are made of stainless steel.
Through adopting above-mentioned technical scheme, be stainless steel manufacturing through setting up supporting baseplate, bracing piece, supporting shoe and bearing the bottom plate and form, not only can play more effectual firm effect to the road surface structure, difficult oxidation moreover and rust, can improve supporting baseplate, bracing piece, supporting shoe and bearing the life of bottom plate.
The present invention may be further configured in a preferred embodiment as: and a waterproof cushion layer is laid between the soil base layer and the subbase layer.
Through adopting above-mentioned technical scheme, through setting up waterproof bed course, can be convenient for play isolated effect to groundwater to it destroys the soil matrix to reduce groundwater.
The present invention may be further configured in a preferred embodiment as: and a wear-resistant finish paint layer is laid on the upper surface of the asphalt surface layer.
Through adopting above-mentioned technical scheme, through setting up wear-resisting finish paint layer, not only can increase the wear-resisting degree of this pitch surface course, can play the effect of certain protection to this pitch surface course moreover.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the supporting bottom plate, the supporting rods, the supporting blocks and the bearing bottom plate are matched with each other, so that the effect of reinforcing the pavement structure is achieved, the condition that the pavement structure is damaged and sinks can be reduced, and the service life of the pavement structure can be prolonged;
2. by arranging the fixing plate, the fixing rod and the fixing block which are matched with each other, a more stable connecting and fixing effect can be conveniently achieved on the supporting bottom plate, so that the supporting rod, the supporting block and the bearing bottom plate can be stably installed on the supporting bottom plate;
3. by arranging the waterproof cushion layer, the effect of isolating underground water can be conveniently achieved, so that the damage of the underground water to the soil base layer is reduced;
4. through setting up wear-resisting finish paint layer, not only can increase the wear-resisting degree of this pitch surface course, can play the effect of certain protection to this pitch surface course moreover.
Drawings
FIG. 1 is a schematic structural diagram of a novel highway engineering preventive maintenance asphalt pavement structure in the embodiment;
FIG. 2 is a schematic structural view of the reinforcing apparatus of the present embodiment;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a soil base layer; 2. an underlayer; 3. a cement base layer; 4. an asphalt surface layer; 5. a support base plate; 51. a support bar; 52. a support block; 521. a threaded hole; 53. a load floor; 54. a limiting block; 541. a limiting hole; 55. a first nut; 6. embedding parts; 61. a fixing plate; 62. fixing the rod; 63. a fixed block; 64. a screw; 7. a connecting rod; 71. a threaded rod; 72. connecting blocks; 721. connecting holes; 73. a bolt; 74. a second nut; 8. a waterproof cushion layer; 9. and a wear-resistant finish paint layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a novel highway engineering prevention maintenance type bituminous paving structure, from the bottom up includes in proper order: the soil base course 1, subbase course 2, cement base course 3 and asphalt surface course 4. The soil base layer 1 is a soil layer at the bottommost part of the road surface, and before the road surface structure is built, the soil layer is repeatedly rolled and compacted by using mechanical equipment, so that the soil base layer 1 can be ensured to be more flat and thick, and the subsequent construction of the road surface structure is more convenient; this subbase 2 is concrete layer, and this subbase 2 utilizes concrete to pour on soil base 1, in order to cover soil base 1, can play certain reinforcement and the effect of protection to soil base 1 like this to can improve soil base 1's stability.
The cement base layer 3 is also formed by pouring a concrete layer, and the cement base layer 3 is laid on the subbase layer 2; this pitch surface course 4 is laid the asphalt concrete on this cement base course 3, then utilizes compaction equipment to roll pitch surface course 4 repeatedly and form, and pitch surface course 4 after the shaping is not only level and smooth, closely knit and have certain roughness, comfortable when driving in addition, the outward appearance is pleasing to the eye and long service life.
Preferably, as shown in fig. 1, in order to improve the wear resistance of the asphalt surface layer 4, in this embodiment, a wear-resistant finish paint layer 9 is laid on the upper surface of the asphalt surface layer 4, and the wear-resistant finish paint layer 9 not only can increase the wear resistance of the asphalt surface layer 4, but also can play a certain protection role on the asphalt surface layer 4, thereby also improving the service life of the asphalt surface layer 4.
Simultaneously, waterproof bed course 8 has still been laid between this soil substrate 1 and this subbase 2, and this waterproof bed course 8 can choose for use loose granular material such as coarse sand, gravel, rubble, cinder and slay, perhaps adopts materials such as cement, lime cinder to make and forms the closely knit bed course of one deck, through setting up this waterproof bed course 8, can be convenient for play isolated effect to groundwater to can reduce the groundwater and take place to the condition that soil substrate 1 goes on destroying.
As shown in fig. 1, in order to make the pavement structure more stable and reduce the occurrence of damage or sinking of the pavement, in this embodiment, a plurality of reinforcing devices are disposed between the cement base layer 3 and the sub-base layer 2, and the reinforcing devices are fixedly mounted on the sub-base layer 2 after the sub-base layer 2 is poured and set, and then the cement base layer 3 is poured. And this reinforcing apparatus has the effect of consolidating to the road surface structure to can reduce the road surface structure and appear destroying and the sunken condition, and then can improve road surface structure's life.
Specifically, as shown in fig. 1, in the present embodiment, the reinforcing apparatus includes: a support bottom plate 5, a support rod 51, a support block 52, a bearing bottom plate 53 and a fixing component. Wherein, the supporting bottom plates 5 are rectangular structures, and the supporting bottom plates 5 are arranged on the subbase layer 2; a plurality of support rods 51 are arranged, and one end of each support rod 51 is welded on the side surface of the support bottom plate 5; the shape of the load-bearing bottom plate 53 is the same as that of the support bottom plate 5, and the side surface of the load-bearing bottom plate 53 is welded on the support rods 51 far away from the support bottom plate 5; the supporting blocks 52 are welded between the supporting rods 51 to reinforce the supporting rods 51; the fixing component is arranged between the supporting bottom plate 5 and the bottom base layer 2, and the fixing component is used for fixing and limiting the supporting bottom plate 5.
More specifically, as shown in fig. 2 and 3, in the present embodiment, the fixing assembly includes: embedment 6, screw 64, stopper 54 and first nut 55. Wherein, this built-in fitting 6 is hidden in advance and is installed in subbase 2, and this built-in fitting 6 includes: a fixing plate 61 disposed in the sub-base layer 2; a plurality of fixing bars 62 welded to the side surfaces of the fixing plate 61; and the fixing blocks 63 welded to the ends of the fixing rods 62 far away from the fixing plate 61, and a structure that the fixing plates 61, the fixing rods 62 and the fixing blocks 63 are matched with each other is arranged, so that a more stable fixed connection effect can be achieved on the supporting base plate 5.
Meanwhile, the number of the screws 64 is multiple, one end of each screw 64 is welded on one side of the fixing plate 61 away from the fixing rods 62, and the other end of each screw 64 vertically extends out of the sub-base 2; the limiting blocks 54 are provided with a plurality of limiting blocks 54, the limiting blocks 54 are respectively welded on the peripheral side surfaces of the supporting bottom plate 5, limiting holes 541 penetrate through the limiting blocks 54, and the limiting holes 541 are matched with the screw 64; the first nuts 55 are provided in plurality, and the first nuts 55 are screwed with the screws 64.
After the screws 64 pass through the limiting blocks 54 along the limiting holes 541, the first nuts 55 are screwed into the first screws 64, so that the supporting base plate 5 is fixedly mounted on the embedded part 6, and the supporting rod 51, the supporting block 52 and the bearing base plate 53 can be stably mounted on the supporting base plate 5, thereby facilitating the effect of reinforcing the pavement structure.
Preferably, in this embodiment, the supporting bottom plate 5, the supporting rod 51, the supporting block 52 and the bearing bottom plate 53 are made of stainless steel, and the steel structure formed by welding the supporting bottom plate 5, the supporting rod 51, the supporting block 52 and the bearing bottom plate 53 with each other is arranged, so that the steel structure not only can play a more effective stabilizing effect on the pavement structure, but also is not easy to oxidize and rust, thereby prolonging the service life of the supporting bottom plate 5, the supporting rod 51, the supporting block 52 and the bearing bottom plate 53.
As shown in fig. 3, in order to facilitate the connection of two adjacent steel structures to each other for better reinforcing the pavement structure, in this embodiment, a connection assembly is disposed between two adjacent supporting blocks 52, and the connection assembly includes: a threaded hole 521, a connecting rod 7, a threaded rod 71 and a connecting piece; the threaded hole 521 is formed in the peripheral side surface of the support block 52; the connecting rods 7 are provided with a plurality of connecting rods, and one end of each connecting rod 7 can extend into the threaded hole 521; the threaded rod 71 is fixedly connected to one end, extending into the threaded hole 521, of the connecting rod 7, the threaded hole 521 is in threaded connection with the threaded hole 521, and the connecting rod 7 can be conveniently and fixedly connected to the supporting block 52 by arranging a structure that the threaded rod 71 and the threaded hole 521 are matched with each other.
Simultaneously, this connecting piece setting is between two corresponding connecting rods 7, and this connecting piece includes: a connecting block 72, a bolt 73, and a second nut 74. The connecting block 72 is fixedly connected to one end of the connecting rod 7 away from the threaded rod 71, a plurality of connecting holes 721 are arranged on the connecting block 72 in a penetrating manner, and the connecting holes 721 on two corresponding connecting blocks 72 are in one-to-one correspondence; the bolts 73 are provided with a plurality of bolts 73, and the bolts 73 are respectively matched with the connecting holes 721, so that the bolts 73 can pass through the connecting holes 721; the second nuts 74 are provided in plurality, and the second nuts 74 are screwed with the bolts 73.
When two corresponding steel structures need to be connected together, the threaded rod 71 on the connecting rod 7 is screwed into the threaded hole 521 of the supporting block 52, then the bolt 73 passes through the two abutting connecting blocks 72 along the connecting hole 721, and finally the second nut 74 is screwed into the bolt 73, so that two adjacent connecting rods 7 can be connected together conveniently, and the two corresponding steel structures are connected together.
The implementation principle of the embodiment is as follows: when the asphalt pavement structure needs to be laid, firstly, a waterproof cushion layer 8 is laid on a compacted soil base layer 1, then a base layer 2 is poured on the waterproof cushion layer 8, meanwhile, an embedded part 6 is also pre-buried in the base layer 2, after the base layer 2 is condensed, a steel structure formed by welding a supporting base plate 5, a supporting rod 51, a supporting block 52 and a bearing base plate 53 is fixedly installed on the embedded part 6 through a fixing component, then adjacent steel structures are mutually connected through a connecting component, then a cement base layer 3 is poured, after the cement base layer 3 is solidified, an asphalt surface layer 4 is laid, and finally, after the asphalt surface layer 4 is repeatedly rolled, a wear-resistant finish paint layer 9 is laid, so that the laying process of the asphalt pavement structure can be completed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a novel highway engineering prevention maintenance type bituminous paving structure, includes: a soil base layer (1); a sub-base layer (2) poured on the soil base layer (1); a cement base layer (3) poured on the subbase layer (2); and lay in pitch surface course (4) on the cement base course (3), its characterized in that, cement base course (3) with be provided with between subbase course (2), be used for right cement base course (3) carry out reinforced (rfd) reinforcing apparatus, reinforcing apparatus includes: a plurality of support base plates (5) arranged on the subbase layer (2); a plurality of support rods (51) arranged on the support base plate (5); a supporting block (52) arranged on the supporting rod (51); a bearing bottom plate (53) arranged on the support rod (51) and deviated from the support bottom plate (5); the fixing assembly is arranged between the supporting bottom plate (5) and the bottom base layer (2) and used for fixing and limiting the supporting bottom plate (5); and the connecting component is arranged between two adjacent supporting blocks (52).
2. A novel highway engineering preventive maintenance asphalt pavement structure according to claim 1, wherein the fixing component comprises: a plurality of embedded parts (6) arranged in the subbase layer (2); a plurality of screw rods (64) with one ends welded to the embedded parts (6) and the other ends extending out of the subbase layer (2); a plurality of limiting blocks (54) arranged on the peripheral side surfaces of the supporting bottom plate (5); a limiting hole (541) which penetrates through the limiting block (54) and is matched with the screw rod (64); and a plurality of first nuts (55) threadedly coupled to the threaded rods (64).
3. A novel highway engineering preventive maintenance asphalt pavement structure according to claim 2, characterized in that the embedded part (6) comprises: a fixing plate (61) disposed in the sub-base layer (2); a plurality of fixing rods (62) welded on one side of the fixing plate (61) away from the screw rod (64); and a fixing block (63) welded to one end of the fixing rod (62) far away from the fixing plate (61).
4. A novel highway engineering preventive maintenance asphalt pavement structure according to claim 1, wherein the connecting assembly comprises: a plurality of threaded holes (521) arranged on the side surfaces of the periphery of the supporting block (52); a plurality of connecting rods (7) connected to the support blocks (52); a threaded rod (71) connected to one end of the connecting rod (7) and in threaded connection with the threaded hole (521); and the connecting piece is arranged between two adjacent connecting rods (7).
5. The novel preventive maintenance asphalt pavement structure for road engineering according to claim 4, wherein the connecting member comprises: the connecting block (72) is arranged at one end, away from the threaded rod (71), of the connecting rod (7); a plurality of connecting holes (721) penetrating through the connecting block (72); a plurality of bolts (73) which simultaneously penetrate through the two connecting blocks (72) and are matched with the connecting holes (721); and a plurality of second nuts (74) threadedly coupled to the bolts (73).
6. The novel asphalt pavement structure for preventing and maintaining highway engineering according to claim 1, wherein the supporting bottom plate (5), the supporting rods (51), the supporting blocks (52) and the bearing bottom plate (53) are all made of stainless steel.
7. A novel preventive maintenance asphalt pavement structure for road engineering according to claim 1, characterized in that a waterproof cushion (8) is laid between the soil base layer (1) and the subbase layer (2).
8. A novel preventive maintenance asphalt pavement structure for road engineering according to claim 1, characterized in that the upper surface of the asphalt surface layer (4) is laid with a wear-resistant finish paint layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021133361.0U CN212582326U (en) | 2020-06-17 | 2020-06-17 | Novel highway engineering prevention maintenance type bituminous pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021133361.0U CN212582326U (en) | 2020-06-17 | 2020-06-17 | Novel highway engineering prevention maintenance type bituminous pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212582326U true CN212582326U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021133361.0U Expired - Fee Related CN212582326U (en) | 2020-06-17 | 2020-06-17 | Novel highway engineering prevention maintenance type bituminous pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212582326U (en) |
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2020
- 2020-06-17 CN CN202021133361.0U patent/CN212582326U/en not_active Expired - Fee Related
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