CN213867164U - Asphalt concrete road structure - Google Patents
Asphalt concrete road structure Download PDFInfo
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- CN213867164U CN213867164U CN202022728876.1U CN202022728876U CN213867164U CN 213867164 U CN213867164 U CN 213867164U CN 202022728876 U CN202022728876 U CN 202022728876U CN 213867164 U CN213867164 U CN 213867164U
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model discloses an asphalt concrete road structure, which comprises a roadbed, a waterproof layer, a vibration-damping mortar layer, a precast concrete road board and an asphalt mixture pavement layer which are sequentially laid from the top to the bottom; a plurality of rows of longitudinal reinforcing steel bars are longitudinally and obliquely inserted into the roadbed and the waterproof layer, and the upper end and the lower end of each row of longitudinal reinforcing steel bars are fixed on the transverse reinforcing steel bars through binding wires; the arrangement of the reinforcing steel bars enables the roadbed, the waterproof layer and the vibration-damping mortar layer to be combined into a whole, and the joint surface between the waterproof layer and the vibration-damping mortar layer is wavy, so that the damage of seismic waves to the road surface can be minimized; the vibration damping structure with three layers, namely the vibration damping mortar layer, the precast concrete road plate and the asphalt mixture pavement layer, ensures that the road surface has excellent vibration damping performance and enhances the bearing capacity of the road surface; the adjacent precast concrete road boards are spliced through the inserting pieces and the inserting grooves, the integrity of a concrete layer is guaranteed, and the construction progress is greatly accelerated.
Description
Technical Field
The utility model relates to a road structure specifically is an asphalt concrete road structure.
Background
Because the self vibration of the unevenness of road surface and vehicle engine etc. can produce the impact effect to the road surface when the vehicle is gone to whole road surface structure produces the vibration, and the vibration can produce adverse effect to adjacent building structure to spread all around to can produce secondary noise influence people's work and life. In particular, in the road forms such as roads inside or above an underground space, viaduct beam pavement structures, road sections with high requirements for vibration and noise reduction or roads near important buildings, a road structure capable of effectively reducing vibration and isolating vibration is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an asphalt concrete road structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an asphalt concrete road structure comprises a roadbed, a waterproof layer, a vibration-damping mortar layer, a precast concrete road plate, an asphalt mixture pavement layer, longitudinal reinforcing steel bars and transverse reinforcing steel bars; the upper surface of the roadbed is connected with a waterproof layer, the upper surface of the waterproof layer is connected with a vibration-damping mortar layer, the upper surface of the vibration-damping mortar layer is connected with a precast concrete road board, and the upper surface of the precast concrete road board is connected with an asphalt mixture pavement layer; a plurality of rows of longitudinal reinforcing steel bars are longitudinally and obliquely inserted into the roadbed and the waterproof layer, and the upper end and the lower end of each row of longitudinal reinforcing steel bars are fixed on the transverse reinforcing steel bars through binding wires.
As a further aspect of the present invention: the thicknesses of the waterproof layer and the vibration-damping mortar layer are respectively 30mm and 70mm, and a joint surface between the waterproof layer and the vibration-damping mortar layer is wavy.
As a further aspect of the present invention: 17# steel bars are adopted as the longitudinal reinforcing steel bars, and 19# steel bars are adopted as the transverse reinforcing steel bars; the longitudinal reinforcing steel bars fixed on two sides of the transverse reinforcing steel bar through binding wires are obliquely inserted into the roadbed and the waterproof layer respectively.
As a further aspect of the present invention: the thickness of precast concrete road plate is 120mm, and it includes inserted sheet and slot, and inserted sheet, slot and precast concrete road plate body are integrated into one piece, and inserted sheet and slot shape are the same, splices through inserted sheet and slot between the adjacent precast concrete road plate.
As a further aspect of the present invention: the thickness of the asphalt mixture pavement layer is 70 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the arrangement of the reinforcing steel bars enables the roadbed, the waterproof layer and the vibration-damping mortar layer to be combined into a whole, and the joint surface between the waterproof layer and the vibration-damping mortar layer is wavy, so that the damage of seismic waves to the road surface can be minimized; the vibration damping structure with three layers, namely the vibration damping mortar layer, the precast concrete road plate and the asphalt mixture pavement layer, ensures that the road surface has excellent vibration damping performance and enhances the bearing capacity of the road surface; the adjacent precast concrete road boards are spliced through the inserting pieces and the inserting grooves, the integrity of a concrete layer is guaranteed, and the construction progress is greatly accelerated.
Drawings
Fig. 1 is a schematic sectional structure view of an asphalt concrete road structure.
Fig. 2 is a schematic perspective view of a precast concrete road slab in an asphalt concrete road structure.
FIG. 3 is a schematic sectional view of the assembly of the precast concrete road slabs in the asphalt concrete road structure.
Fig. 4 is a schematic side view of reinforcing bars in an asphalt concrete road structure.
In the figure: 1. roadbed, 2, waterproof layer; 3. a vibration-damping mortar layer; 4. prefabricating a concrete road plate; 5. a bituminous mixture pavement layer; 41. inserting sheets; 42. a slot; 61. longitudinally reinforcing steel bars; 62. and transversely reinforcing the steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, an asphalt concrete road structure includes a roadbed 1, a waterproof layer 2, a vibration damping mortar layer 3, a precast concrete road slab 4, an asphalt mixture pavement layer 5, longitudinal reinforcing steel bars 61, and transverse reinforcing steel bars 62; the upper surface of the roadbed 1 is connected with a waterproof layer 2, the upper surface of the waterproof layer 2 is connected with a vibration damping mortar layer 3, the upper surface of the vibration damping mortar layer 3 is connected with a precast concrete road plate 4, and the upper surface of the precast concrete road plate 4 is connected with an asphalt mixture pavement layer 5; a plurality of rows of longitudinal reinforcing steel bars 61 are longitudinally and obliquely inserted into the roadbed 1 and the waterproof layer 2, and the upper end and the lower end of each row of longitudinal reinforcing steel bars 61 are fixed on the transverse reinforcing steel bars 62 through binding wires.
The thickness of waterproof layer 2 and damping mortar layer 3 is 30mm and 70mm respectively, the faying face between waterproof layer 2 and the damping mortar layer 3 is the wave, this kind of structure makes road overall structure can subdue the vibrations of seismic wave to the road, also make waterproof layer 2 and damping mortar layer 3 combine more compactlyer simultaneously, make road structure firmer, through the compaction, road bed 1, waterproof layer 2 and damping mortar layer 3 can the force stabilization and can bear great power, road strength is high, and engineering cost is low.
17# steel bars are adopted as the longitudinal reinforcing steel bars 61, and 19# steel bars are adopted as the transverse reinforcing steel bars 62; fix in the vertical reinforcement reinforcing bar 61 of horizontal reinforcement reinforcing bar 62 both sides inserts road bed 1 and waterproof layer 2 to one side respectively through tying up the silk, it just makes road bed 1 just to set up the reinforcement reinforcing bar like this, waterproof layer 2 and damping mortar layer 3 can combine as an organic wholely, when receiving seismic wave destruction, the reinforcement reinforcing bar can avoid road structure fracture well, waterproof layer 2 and damping mortar layer 3 also can absorb very big seismic wave simultaneously, consequently, the destruction that causes the ground to the ground with the seismic wave falls to minimum.
The thickness of the precast concrete road plate 4 is 120mm, the precast concrete road plate comprises an inserting piece 41 and an inserting groove 42, the inserting piece 41, the inserting groove 42 and the precast concrete road plate 4 body are integrally formed, the shape of the inserting piece 41 is the same as that of the inserting groove 42, adjacent precast concrete road plates 4 are spliced through the inserting piece 41 and the inserting groove 42, the integrity of a concrete layer is guaranteed, and the construction progress is greatly accelerated; the adjacent precast concrete road boards 4a and 4b are pressed downwards, when the precast concrete road board 4a is vibrated, one side of the precast concrete road board is inclined downwards, the other side of the precast concrete road board is inclined upwards, pavement cracking can be caused once the precast concrete road board is inclined too much, but the other side of the precast concrete road board is pressed by the adjacent precast concrete road board 4b, the stressed precast concrete road board 4a is prevented from being inclined too much, vibration is effectively dispersed, the shock absorption effect is good, and the service life of a road is prolonged; the cement concrete material is adopted as the lower surface layer, so that the advantages of high bearing capacity and good durability of the cement concrete are fully exerted, and the road can meet the requirement of heavy traffic on the bearing capacity.
The thickness of the asphalt mixture pavement layer 5 is 70 mm; the asphalt mixture pavement layer 5 is used as a pavement, so that unevenness of the pavement caused by joints when a cement concrete pavement is adopted is avoided, the pavement surface is ensured to have good smoothness, meanwhile, the asphalt mixture pavement layer has excellent vibration damping performance, and in addition, air pressure noise and sliding and sticking noise generated when tires move on the pavement surface can be reduced.
The three-layer vibration damping structure of the vibration damping mortar layer 3, the precast concrete road plate 4 and the asphalt mixture pavement layer 5 ensures that the road surface has excellent vibration damping performance, enhances the bearing capacity of the road surface and prolongs the service life.
The utility model discloses a theory of operation is:
the arrangement of the reinforcing steel bars enables the roadbed 1, the waterproof layer 2 and the vibration-damping mortar layer 3 to be combined into a whole, and the joint surface between the waterproof layer 2 and the vibration-damping mortar layer 3 is wavy, so that the damage of seismic waves to the pavement can be reduced to the minimum; the damping structure of three layers of the damping mortar layer 3, the precast concrete road plate 4 and the asphalt mixture pavement layer 5 ensures that the road surface has excellent damping performance and the bearing capacity of the road surface is enhanced; the adjacent precast concrete road boards 4 are spliced through the inserting pieces 41 and the inserting grooves 42, so that the integrity of the concrete layer is ensured, and the construction progress is greatly accelerated.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. An asphalt concrete road structure comprises a road bed (1), a waterproof layer (2), a vibration-damping mortar layer (3), a precast concrete road plate (4), an asphalt mixture pavement layer (5), longitudinal reinforcing steel bars (61) and transverse reinforcing steel bars (62); the road bed is characterized in that the upper surface of the road bed (1) is connected with a waterproof layer (2), the upper surface of the waterproof layer (2) is connected with a vibration damping mortar layer (3), the upper surface of the vibration damping mortar layer (3) is connected with a precast concrete road plate (4), and the upper surface of the precast concrete road plate (4) is connected with an asphalt mixture pavement layer (5); a plurality of rows of longitudinal reinforcing steel bars (61) are longitudinally and obliquely inserted into the roadbed (1) and the waterproof layer (2), and the upper end and the lower end of each row of longitudinal reinforcing steel bars (61) are fixed on the transverse reinforcing steel bars (62) through binding wires.
2. The asphalt concrete road structure according to claim 1, wherein the thickness of the waterproof layer (2) and the thickness of the vibration-damping mortar layer (3) are 30mm and 70mm, respectively, and the bonding surface between the waterproof layer (2) and the vibration-damping mortar layer (3) is wavy.
3. The asphalt concrete road structure according to claim 1, wherein 17# steel is used as the longitudinal reinforcing steel (61), and 19# steel is used as the transverse reinforcing steel (62); the longitudinal reinforcing steel bars (61) fixed on two sides of the transverse reinforcing steel bar (62) through binding wires are obliquely inserted into the roadbed (1) and the waterproof layer (2) respectively.
4. The asphalt concrete road structure according to claim 1, wherein the thickness of the precast concrete road plate (4) is 120mm, the precast concrete road plate comprises an inserting piece (41) and an inserting groove (42), the inserting piece (41), the inserting groove (42) and the body of the precast concrete road plate (4) are integrally formed, the inserting piece (41) and the inserting groove (42) are identical in shape, and adjacent precast concrete road plates (4) are spliced through the inserting piece (41) and the inserting groove (42).
5. The asphalt concrete road structure according to claim 1, wherein the asphalt mixture pavement (5) has a thickness of 70 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728876.1U CN213867164U (en) | 2020-11-23 | 2020-11-23 | Asphalt concrete road structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728876.1U CN213867164U (en) | 2020-11-23 | 2020-11-23 | Asphalt concrete road structure |
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| Publication Number | Publication Date |
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| CN213867164U true CN213867164U (en) | 2021-08-03 |
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| CN202022728876.1U Active CN213867164U (en) | 2020-11-23 | 2020-11-23 | Asphalt concrete road structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197259A (en) * | 2021-12-31 | 2022-03-18 | 北京市政路桥股份有限公司 | Vibration damping road structure and construction method thereof |
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2020
- 2020-11-23 CN CN202022728876.1U patent/CN213867164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197259A (en) * | 2021-12-31 | 2022-03-18 | 北京市政路桥股份有限公司 | Vibration damping road structure and construction method thereof |
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