CN220704228U - Pavement structure of asphalt concrete road - Google Patents
Pavement structure of asphalt concrete road Download PDFInfo
- Publication number
- CN220704228U CN220704228U CN202321980198.5U CN202321980198U CN220704228U CN 220704228 U CN220704228 U CN 220704228U CN 202321980198 U CN202321980198 U CN 202321980198U CN 220704228 U CN220704228 U CN 220704228U
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- Prior art keywords
- layer
- precast block
- pavement
- concrete precast
- concrete
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- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 54
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 18
- 239000010426 asphalt Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 description 40
- 239000000758 substrate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- -1 crushed gravel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a pavement structure of an asphalt concrete road, which comprises a subbase layer: the waterproof layer is arranged on the upper surface of the subbase layer, the mortar layer is arranged on the upper surface of the waterproof layer, the concrete precast block is arranged on the upper surface of the mortar layer, the asphalt pavement layer is arranged on the upper surface of the concrete precast block, the embedded part is arranged in the subbase layer, and the fastener penetrating through the waterproof layer, the mortar layer and the concrete precast block is arranged on the embedded part. According to the pavement structure, through the embedded parts and the fasteners, an independent and stable clamping and fixing structure can be provided for each concrete precast block, so that each concrete precast block can be kept in a stable state, and a complete and stable integral stress structure is formed, so that the phenomenon that the concrete precast block is deviated when the pavement is stressed is avoided, and the safety of the pavement structure is enhanced.
Description
Technical Field
The utility model relates to the technical field of road pavement, in particular to a pavement structure of an asphalt concrete road.
Background
Asphalt concrete pavement is a pavement using asphalt concrete as a surface layer, wherein the asphalt concrete is a mixture prepared by manually selecting mineral aggregate with a certain grading composition, such as broken stone, crushed gravel, stone scraps, sand, mineral powder and the like, and a certain proportion of road asphalt material under strict control conditions, and plays an important role in the current road construction by virtue of good performance.
Chinese patent publication No.: CN214613391U discloses a municipal road asphalt concrete pavement structure, which comprises a substrate, be equipped with pitch prefabricated section on the substrate, pitch prefabricated section has arranged the polylith along substrate length direction, polylith pitch prefabricated section has arranged the multirow along substrate width direction, be equipped with first adhesive layer between substrate and the pitch prefabricated section, be equipped with the second adhesive layer between the pitch prefabricated section.
The existing pavement paving structure is characterized in that the concrete precast blocks are directly paved on the subbase layer, so that the concrete precast blocks play a fixing role only by mutual extrusion of the concrete precast blocks, when the pavement is subjected to larger pressure, the concrete precast blocks are easy to deviate, and the pavement structure is damaged.
Disclosure of Invention
The utility model aims to provide a pavement structure of an asphalt concrete road, which adopts a combined reinforcement mode of embedded parts and fasteners to improve the stability of a concrete precast block and the pavement strength of the pavement structure.
In order to achieve the above object, the present utility model provides the following technical solutions: a pavement structure of an asphalt concrete road, comprising an underlayment:
the upper surface of the subbase layer is provided with a waterproof layer, and the upper surface of the waterproof layer is provided with a mortar layer;
the upper surface of the mortar layer is provided with a concrete precast block, and the upper surface of the concrete precast block is provided with an asphalt pavement layer;
the embedded part is arranged in the subbase layer, and the embedded part is provided with a fastener penetrating through the waterproof layer, the mortar layer and the concrete precast block.
As a further description of the above technical solution:
the embedded part consists of transverse steel bars and longitudinal steel bars, the transverse steel bars are parallel to the pavement, and the longitudinal steel bars are vertically arranged on the transverse steel bars.
As a further description of the above technical solution:
the fastening piece comprises a fastening pipe arranged in the subbase layer, the waterproof layer and the mortar layer, and a fastening rod penetrating through the concrete precast block is inserted into the fastening pipe.
As a further description of the above technical solution:
the top of the fastening rod is provided with a top baffle plate.
As a further description of the above technical solution:
the bottom of the fastening pipe penetrates through the through hole in the transverse reinforcing steel bar, and a bottom baffle is arranged at the bottom of the fastening pipe.
As a further description of the above technical solution:
one side of the concrete precast block is provided with an assembly block, and the other side of the concrete precast block is provided with an assembly groove matched with the assembly block.
As a further description of the above technical solution:
and flexible filling layers are arranged on two side walls of the concrete precast block.
As a further description of the above technical solution:
the upper surface of the concrete precast block is provided with a clamping groove, and a baffle plate extending into the asphalt pavement layer is vertically arranged in the clamping groove.
In the technical scheme, the pavement structure of the asphalt concrete road has the following beneficial effects:
this road surface structure of mating formation through built-in fitting and the fastener that sets up, can provide alone and stable centre gripping fixed knot structure to each concrete prefabricated section for each concrete prefabricated section can both keep steady state, and forms complete and stable whole atress structure, thereby avoids the road surface to take place the phenomenon of concrete prefabricated section skew when receiving pressure, has strengthened the security of road surface structure of mating formation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a pavement structure of an asphalt concrete road according to an embodiment of the present utility model;
FIG. 2 is a schematic structural view of an embedded part according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a fastener according to an embodiment of the present utility model;
fig. 4 is a schematic top view of a concrete prefabricated block according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a base layer; 2. a waterproof layer; 3. an embedded part; 31. transverse steel bars; 32. longitudinal steel bars; 33. a through hole; 4. a mortar layer; 5. a fastener; 51. a top baffle; 52. a fastening rod; 53. fastening a tube; 54. a bottom baffle; 6. a concrete precast block; 61. an assembly groove; 62. a mounting block; 63. a filling layer; 64. a clamping groove; 7. a partition plate; 8. and an asphalt pavement layer.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a pavement structure of an asphalt concrete road comprises an underlayment 1:
the waterproof layer 2 is arranged on the upper surface of the subbase layer 1, the waterproof layer 2 can play a role in preventing water stains from penetrating and flowing on the upper side and the lower side of the subbase layer 1, the mortar layer 4 is arranged on the upper surface of the waterproof layer 2, and the mortar layer 4 has certain fluidity and can play a certain buffering role on a road surface when the road surface is rolled by a vehicle;
the upper surface of the mortar layer 4 is provided with a concrete precast block 6, and the upper surface of the concrete precast block 6 is provided with an asphalt pavement layer 8, so that the mixed pavement effect of concrete and asphalt is realized;
be provided with built-in fitting 3 in the underlayment 1, and be provided with the fastener 5 that runs through waterproof layer 2, mortar layer 4 and concrete prefabricated section 6 on the built-in fitting 3, can provide alone and stable centre gripping fixed knot structure to each concrete prefabricated section 6 for each concrete prefabricated section 6 can both keep steady state, and form complete and stable whole atress structure, thereby avoid the road surface to take place the phenomenon of concrete prefabricated section 6 skew when receiving the pressure, strengthened the security of road surface pavement structure.
The embedded part 3 comprises transverse steel bars 31 and longitudinal steel bars 32, the transverse steel bars 31 are parallel to a road surface, the longitudinal steel bars 32 are vertically arranged on the transverse steel bars 31, the fastening piece 5 comprises a fastening pipe 53 arranged in the subbase layer 1, the waterproof layer 2 and the mortar layer 4, a fastening rod 52 penetrating through the concrete precast block 6 is inserted into the fastening pipe 53, a top baffle plate 51 is arranged at the top of the fastening rod 52, the bottom end of the fastening pipe 53 penetrates through a through hole 33 on the transverse steel bars 31, a bottom baffle plate 54 is arranged at the bottom end of the fastening pipe 53, the bottom of the fastening pipe 53 is penetrated through the through hole 33 in advance, and a bottom limiting blocking effect is achieved on the fastening pipe 53 through the bottom baffle plate 54, after the concrete precast block 6 is paved on the mortar layer 4, the fastening rod 52 penetrates through the concrete precast block 6 and then is inserted into the fastening pipe 53, so that the concrete precast block 6 can be fastened, each concrete precast block 6 can be kept in a stable state, a complete and stable overall stress structure is formed, the phenomenon that the concrete precast block 6 deviates when the road surface is stressed is avoided, and the safety of the road surface pavement structure is enhanced.
One side of the concrete precast block 6 is provided with an assembly block 62, the other side is provided with an assembly groove 61 matched with the assembly block 62, and the two adjacent concrete precast blocks 6 can be rapidly and accurately assembled through corresponding connection of the assembly block 62 and the assembly groove 61, so that the assembly efficiency of the concrete precast block 6 is improved, and meanwhile, the independent disassembly, assembly and replacement operations of the concrete precast block 6 are also facilitated.
The two side walls of the concrete precast blocks 6 are provided with flexible filling layers 63, the filling layers 63 are made of flexible and expandable materials, sealing effect can be achieved between two adjacent concrete precast blocks 6, compensation effect can be achieved for the thermal expansion and contraction phenomenon of the concrete precast blocks 6, and sealing performance between the concrete precast blocks 6 is improved.
The upper surface of concrete prefabricated section 6 is equipped with draw-in groove 64, and is provided with the baffle 7 that extends to in the asphalt pavement layer 8 perpendicularly in the draw-in groove 64, and baffle 7 forms the interval structure on concrete prefabricated section 6, can play the barrier effect to the pitch material in the asphalt pavement layer 8, prevents that the pitch material from taking place the phenomenon of excessive sideslip when the pressurized, improves the stability of asphalt pavement layer 8.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a pavement structure of asphalt concrete road, includes underlayment (1), its characterized in that:
the upper surface of the subbase layer (1) is provided with a waterproof layer (2), and the upper surface of the waterproof layer (2) is provided with a mortar layer (4);
the upper surface of the mortar layer (4) is provided with a concrete precast block (6), and the upper surface of the concrete precast block (6) is provided with an asphalt pavement layer (8);
an embedded part (3) is arranged in the subbase layer (1), and a fastener (5) penetrating through the waterproof layer (2), the mortar layer (4) and the concrete precast block (6) is arranged on the embedded part (3).
2. The pavement structure of asphalt concrete road according to claim 1, wherein: the embedded part (3) consists of transverse steel bars (31) and longitudinal steel bars (32), the transverse steel bars (31) are parallel to the pavement, and the longitudinal steel bars (32) are vertically arranged on the transverse steel bars (31).
3. The pavement structure of asphalt concrete road according to claim 1, wherein: the fastener (5) comprises a fastening pipe (53) arranged in the subbase layer (1), the waterproof layer (2) and the mortar layer (4), and a fastening rod (52) penetrating through the concrete precast block (6) is inserted into the fastening pipe (53).
4. A pavement structure for asphalt concrete roads according to claim 3, wherein: the top of the fastening rod (52) is provided with a top baffle plate (51).
5. A pavement structure for asphalt concrete roads according to claim 3, wherein: the bottom end of the fastening pipe (53) penetrates through the through hole (33) in the transverse steel bar (31), and a bottom baffle (54) is arranged at the bottom end of the fastening pipe (53).
6. The pavement structure of asphalt concrete road according to claim 1, wherein: one side of the concrete precast block (6) is provided with an assembling block (62), and the other side is provided with an assembling groove (61) which is matched with the assembling block (62).
7. The pavement structure of asphalt concrete road according to claim 1, wherein: both side walls of the concrete precast block (6) are provided with flexible filling layers (63).
8. The pavement structure of asphalt concrete road according to claim 1, wherein: the upper surface of the concrete precast block (6) is provided with a clamping groove (64), and a baffle plate (7) extending into the asphalt pavement layer (8) is vertically arranged in the clamping groove (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980198.5U CN220704228U (en) | 2023-07-26 | 2023-07-26 | Pavement structure of asphalt concrete road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980198.5U CN220704228U (en) | 2023-07-26 | 2023-07-26 | Pavement structure of asphalt concrete road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220704228U true CN220704228U (en) | 2024-04-02 |
Family
ID=90444392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321980198.5U Active CN220704228U (en) | 2023-07-26 | 2023-07-26 | Pavement structure of asphalt concrete road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220704228U (en) |
-
2023
- 2023-07-26 CN CN202321980198.5U patent/CN220704228U/en active Active
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