CN204626187U - A kind of tunnel skid resistance pavement - Google Patents
A kind of tunnel skid resistance pavement Download PDFInfo
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- CN204626187U CN204626187U CN201520324126.4U CN201520324126U CN204626187U CN 204626187 U CN204626187 U CN 204626187U CN 201520324126 U CN201520324126 U CN 201520324126U CN 204626187 U CN204626187 U CN 204626187U
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- pavement
- skid resistance
- cement concrete
- tunnel
- road surface
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Abstract
The utility model relates to a kind of tunnel skid resistance pavement.It comprises basic unit, Continuous Reinforcement Cement Concrete Pavement, sticking layer oil and ultra-thin wearing layer bituminous concrete road surface from bottom to up successively; Described basic unit adopts poor concrete road surface; Top 1/3rd place of described Continuous Reinforcement Cement Concrete Pavement is provided with reinforced mesh; Described sticking layer oil adopts modified emulsifying asphalt adhesion coating.Compared with prior art, the utility model has following beneficial effect: the Stress transmit of steel bar welding deeping is even, and load can evenly be spread on whole concrete structure, and external crack cannot to darker future development; Continuous Reinforcement Cement Concrete Pavement transverse joint is few, faulting of slab ends, disconnected plate are few, and road-ability is good; Continuous Reinforcement Cement Concrete Pavement good endurance, the average maintenance costs of life cycle management is low; Overlay ultra-thin wearing layer bituminous concrete, improve Anti-Sliding Performance of Cement Concrete Pavement, reduce driving noise, improve road-ability and safety.
Description
Technical field
The utility model belongs to highway construction technical field, specifically, relates to a kind of tunnel skid resistance pavement.
Background technology
At present, tunnel cement concrete road surface is all Portland cement concrete pavement or reinforced cement concrete road surface substantially, this kind of road structure, transverse joint is many, and Load-transfer Capacity is poor, and durability is not enough, under the comprehensive function of heavy-duty vehicle load and thermal stresses, the disease such as limit, disconnected plate, crushing shell, faulting of slab ends is gnawed in appearance in various degree, reduces the bearing capacity of road structure, have impact on road-ability.And cement concrete pavement operation was open to traffic after a period of time, and road surface is very easily polished, antiskid index obviously decays, and has a strong impact on tunnel traffic safety.
Summary of the invention
For solving the problems of the technologies described above, it is high that the utility model provides a kind of flexural tensile strength, the tunnel skid resistance pavement of good endurance.
A kind of tunnel described in the utility model skid resistance pavement, described tunnel skid resistance pavement comprises basic unit 5, Continuous Reinforcement Cement Concrete Pavement 3, sticking layer oil 2 and ultra-thin wearing layer bituminous concrete road surface 1 from bottom to up successively; Described basic unit 5 adopts poor concrete road surface; Top 1/3rd place of described Continuous Reinforcement Cement Concrete Pavement 3 is provided with reinforced mesh 4; Described sticking layer oil 2 adopts modified emulsifying asphalt adhesion coating.
A kind of tunnel described in the utility model skid resistance pavement, the wide 2m of described reinforced mesh 4, long 10-15m, reinforcement ratio is 0.4%-0.6%.
A kind of tunnel described in the utility model skid resistance pavement, transverse reinforcement 6 and the longitudinal reinforcement 7 of described reinforced mesh 4 are Φ 12mm.
A kind of tunnel described in the utility model skid resistance pavement, the longitudinal reinforcement spacing 10-30cm of described reinforced mesh 4, transverse reinforcement spacing 40-60cm.
A kind of tunnel described in the utility model skid resistance pavement, the spread quantity of described sticking layer oil 2 is 0.6-0.8kg/m
2.
A kind of tunnel described in the utility model skid resistance pavement, the pavement design thickness on described ultra-thin wearing layer bituminous concrete road surface 1 is 2-3cm, and its mineral aggregate selects basalt or diabase, and high-viscosity modified asphalt selected by its cementitious matter.
A kind of tunnel described in the utility model skid resistance pavement, the dowel bar 8 bar diameter Φ 32mm on described ultra-thin wearing layer bituminous concrete road surface 1, spacing 30cm, cross-tie 9 bar diameter Φ 16mm, spacing 50cm.
During construction, first put Tunnel Base in order, cement stabilized macadam paver is adopted to pave lean concrete base, after concrete base layer maintenance terminates, colligation welding continuous reinforcement cement concrete reinforcing mesh sheet, joints cement concrete, after continuous reinforcement concrete curing agent terminates, adopt ball blast PROCESS FOR TREATMENT cement concrete surface laitance, make cement concrete surface have certain roughness.Then spread modified emulsifying asphalt sticking layer oil, adopts ultra-thin wearing layer paver to pave hot mixed asphaltic concrete.
Compared with prior art, tunnel described in the utility model skid resistance pavement has following beneficial effect: the Stress transmit of (1) steel bar welding deeping is even, load can evenly be spread on whole concrete structure, external crack cannot to darker future development, and the straight joint run through up and down can not be developed into through steel bar layer in crack; (2) Continuous Reinforcement Cement Concrete Pavement transverse joint is few, faulting of slab ends, disconnected plate are few, and road-ability is good; (3) Continuous Reinforcement Cement Concrete Pavement good endurance, the average maintenance costs of life cycle management is low; (4) Continuous Reinforcement Cement Concrete Pavement surface overlays ultra-thin wearing layer bituminous concrete, improves Anti-Sliding Performance of Cement Concrete Pavement, reduces driving noise, improve road-ability and safety.
Accompanying drawing explanation
Fig. 1: tunnel skid resistance pavement schematic diagram; Fig. 2: reinforced mesh schematic diagram; Fig. 3: Continuous Reinforcement Cement Concrete Pavement schematic diagram; 1-ultra-thin wearing layer bituminous concrete road surface, 2-sticking layer oil, 3-Continuous Reinforcement Cement Concrete Pavement, 4-reinforced mesh, 5-basic unit, 6-transverse reinforcement, 7-longitudinal reinforcement, 8-dowel bar, 9-cross-tie.
Detailed description of the invention
Below in conjunction with specific embodiment, tunnel described in the utility model skid resistance pavement is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of tunnel skid resistance pavement, described tunnel skid resistance pavement comprises basic unit 5, Continuous Reinforcement Cement Concrete Pavement 3, sticking layer oil 2 and ultra-thin wearing layer bituminous concrete road surface 1 from bottom to up successively; Described basic unit 5 adopts poor concrete road surface; Top 1/3rd place of described Continuous Reinforcement Cement Concrete Pavement 3 is provided with reinforced mesh 4; Described sticking layer oil 2 adopts modified emulsifying asphalt adhesion coating.Wherein ultra-thin wearing layer bituminous concrete road surface 1 is the modified stone mastic asphalt compound SMA-10 of 3cm, and modified emulsifying asphalt adhesion coating spread quantity is 0.7kg/m
2, the flexural tensile strength of Continuous Reinforcement Cement Concrete Pavement 3 is 5MPa, and thickness is 26cm, and reinforcement ratio is 0.35%.Reinforced mesh 4 reinforced mesh is of a size of 10m*4m.Transverse reinforcement 6 diameter is Φ 12mm, and spacing is 40cm.Longitudinal reinforcement 7 diameter is Φ 12mm, and spacing is 10cm.Lean concrete base 5 thickness is 24cm, and flexural tensile strength is 4.0MPa.Dowel bar 8 bar diameter Φ 32mm, spacing 30cm.Cross-tie 9 bar diameter Φ 16mm, spacing 50cm.During construction, first put Tunnel Base in order, cement stabilized macadam paver is adopted to pave lean concrete base, after concrete base layer maintenance terminates, colligation welding continuous reinforcement cement concrete reinforcing mesh sheet, joints cement concrete, after continuous reinforcement concrete curing agent terminates, adopt ball blast PROCESS FOR TREATMENT cement concrete surface laitance, make cement concrete surface have certain roughness.Then spread modified emulsifying asphalt sticking layer oil, adopts ultra-thin wearing layer paver to pave hot mixed asphaltic concrete.
Compared with prior art, tunnel described in the utility model skid resistance pavement has following beneficial effect: the Stress transmit of (1) steel bar welding deeping is even, load can evenly be spread on whole concrete structure, external crack cannot to darker future development, and the straight joint run through up and down can not be developed into through steel bar layer in crack; (2) Continuous Reinforcement Cement Concrete Pavement transverse joint is few, faulting of slab ends, disconnected plate are few, and road-ability is good; (3) Continuous Reinforcement Cement Concrete Pavement good endurance, the average maintenance costs of life cycle management is low; (4) Continuous Reinforcement Cement Concrete Pavement surface overlays ultra-thin wearing layer bituminous concrete, improves Anti-Sliding Performance of Cement Concrete Pavement, reduces driving noise, improve road-ability and safety.
Claims (7)
1. a tunnel skid resistance pavement, it is characterized in that, described tunnel skid resistance pavement comprises basic unit (5), Continuous Reinforcement Cement Concrete Pavement (3), sticking layer oil (2) and ultra-thin wearing layer bituminous concrete road surface (1) from bottom to up successively; Described basic unit (5) adopts poor concrete road surface; Top 1/3rd place of described Continuous Reinforcement Cement Concrete Pavement (3) is provided with reinforced mesh (4); Described sticking layer oil (2) adopts modified emulsifying asphalt adhesion coating.
2. a kind of tunnel according to claim 1 skid resistance pavement, is characterized in that, described reinforced mesh (4) wide 2m, long 10-15m, and reinforcement ratio is 0.4%-0.6%.
3. a kind of tunnel according to claim 1 skid resistance pavement, is characterized in that, transverse reinforcement (6) and the longitudinal reinforcement (7) of described reinforced mesh (4) are Φ 12mm.
4. a kind of tunnel according to claim 1 skid resistance pavement, is characterized in that, the longitudinal reinforcement spacing 10-30cm of described reinforced mesh (4), transverse reinforcement spacing 40-60cm.
5. a kind of tunnel according to claim 1 skid resistance pavement, is characterized in that, the spread quantity of described sticking layer oil (2) is 0.6-0.8kg/m2.
6. a kind of tunnel according to claim 1 skid resistance pavement, it is characterized in that, the pavement design thickness of described ultra-thin wearing layer bituminous concrete road surface (1) is 2-3cm, and its mineral aggregate selects basalt or diabase, and high-viscosity modified asphalt selected by its cementitious matter.
7. a kind of tunnel according to claim 1 skid resistance pavement, it is characterized in that, dowel bar (8) the bar diameter Φ 32mm of described ultra-thin wearing layer bituminous concrete road surface (1), spacing 30cm, cross-tie (9) bar diameter Φ 16mm, spacing 50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324126.4U CN204626187U (en) | 2015-05-19 | 2015-05-19 | A kind of tunnel skid resistance pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324126.4U CN204626187U (en) | 2015-05-19 | 2015-05-19 | A kind of tunnel skid resistance pavement |
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| Publication Number | Publication Date |
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| CN204626187U true CN204626187U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520324126.4U Expired - Fee Related CN204626187U (en) | 2015-05-19 | 2015-05-19 | A kind of tunnel skid resistance pavement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751828A (en) * | 2018-05-30 | 2018-11-06 | 河南省大道路业有限公司 | Pavement construction structure |
| CN109056445A (en) * | 2018-08-27 | 2018-12-21 | 平顶山市公路交通勘察设计院 | A kind of intersection Rut resistance pavement structure and method |
| CN109629363A (en) * | 2019-01-03 | 2019-04-16 | 广东恒筑建设工程有限公司 | Municipal road construction method |
| CN110552271A (en) * | 2019-09-27 | 2019-12-10 | 佛山科学技术学院 | anti-skid pavement structure and construction method thereof |
-
2015
- 2015-05-19 CN CN201520324126.4U patent/CN204626187U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751828A (en) * | 2018-05-30 | 2018-11-06 | 河南省大道路业有限公司 | Pavement construction structure |
| CN109056445A (en) * | 2018-08-27 | 2018-12-21 | 平顶山市公路交通勘察设计院 | A kind of intersection Rut resistance pavement structure and method |
| CN109629363A (en) * | 2019-01-03 | 2019-04-16 | 广东恒筑建设工程有限公司 | Municipal road construction method |
| CN110552271A (en) * | 2019-09-27 | 2019-12-10 | 佛山科学技术学院 | anti-skid pavement structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20190519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |