CN202208875U - Tunnel asphalt pavement light color functional layer - Google Patents
Tunnel asphalt pavement light color functional layer Download PDFInfo
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- CN202208875U CN202208875U CN201120287557XU CN201120287557U CN202208875U CN 202208875 U CN202208875 U CN 202208875U CN 201120287557X U CN201120287557X U CN 201120287557XU CN 201120287557 U CN201120287557 U CN 201120287557U CN 202208875 U CN202208875 U CN 202208875U
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- tunnel
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- pavement
- functional layer
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Abstract
The utility model aims to provide a tunnel asphalt pavement light color functional layer, which is characterized by including a cementing material layer (2) and a white gravel layer (1), wherein the cementing material layer (2) is laid on a tunnel asphalt pavement (3); and the white gravel layer (1) is laid on the surface of the cementing material layer (2) and embedded in the cementing material layer (2). The tunnel asphalt pavement light color functional layer turns the original black asphalt pavement into the grayish-white pavement, serves as the pavement wearing layer under the premise that the service performance of the original pavement is retained, effectively improves the illumination reflecting capability of the original tunnel asphalt pavement, greatly improves the illumination reflecting degree, improves the illuminating degree in the tunnel, reduces the energy consumption, saves energy, reduces carbon emission, and reduces the accident hazard.
Description
Technical field
The utility model relates to the paving structure that the tunnel road surface engineering is used, and relates in particular to a kind of tunnel sheet pavement light colour functional layer.
Technical background
In the highway tunnel relative closure, the narrow and small tubulose environment in space.Do not have the weather that exposes to the sun and rain in general highway section outside the tunnel in the tunnel, annual temperature is relatively stable, and range of temperature is little, has a narrow range of temperature; But high humidity in the tunnel is relatively moister, rich groundwater.Air flow property is little in the tunnel, and air is prone to pollute; Do not have sunshine in the tunnel, be in the dark low visibility throughout the year.Therefore, tunnel road surface is mated formation, curing requirements and technology thereof, has bigger difference with the road structure in the general highway section of speedway.
The technical advantage that flexible pavement has makes it increasingly extensive in Application in Civil Engineering, but because each side, China still relatively is short of to the special project research of tunnel sheet pavement at present.Technological weak link for the tunnel sheet pavement existence; Through research over past ten years and application; Problems such as tunnel sheet pavement construction smog is big, water proofing property is poor, anti-flammability is bad are progressively improved and solve; The technological inferior position of tunnel sheet pavement luminance shortage except that adding strong illumination, fails to draw good solution always only.
In the face of the tunnel in operation owing to the road surface insufficient visibility consumes mass energy; Cause severe problems such as traffic safety accident time and again, mainly add fluorescent material or glass crystal material in the paving material at present, improve its illumination albedo through being employed in; Yet its effect is also bad; For example these materials can not bear heavily loaded traffic, when embedding original road surface, have destroyed original road structure, cause decay of pavement performance or the like.Can think, keep the pavement performance of bituminous concrete and improve the contradiction between the illumination albedo, be to influence tunnel sheet pavement perfect performance and a big subject matter of applying at present.
The utility model content
The purpose of the utility model is to provide a kind of tunnel sheet pavement light colour functional layer, and the utility model has not only kept the functional performance of original flexible pavement, has also significantly improved the tunnel road surface reflecting effect.
The purpose of the utility model is achieved in that
A kind of tunnel sheet pavement light colour functional layer, this is characterized in that: it comprises the agglutination material bed of material and white macadam; The said agglutination material bed of material is laid on the tunnel sheet pavement, and said white macadam is laid on the cementitious materials laminar surface, and is embedded in the said agglutination material bed of material.
Above-mentioned white macadam, preferably adopting particle diameter is white this macadam of rubble composition of 1 ~ 3mm, the building stones of this particle diameter more are prone to embed in the agglutination material bed of material, and are wrapped by it, and this functional layer surface finish is better.
In the above-mentioned functions layer, the rubble spreading coverage scale of white macadam is 70% ~ 80%, make that its whole light colour effect in functional layer surface is better, and closely specifically decides whole the combination according to the tunnel illumination ambient conditions.
Be further light colour degree and the performance that improves tunnel sheet pavement light colour functional layer, above-mentioned white macadam, adopt the commercially available artificial white building stones that satisfy each item performance indications shown in the following table:
| The light colour crushed stone aggregate | Performance indications |
| Mohs' hardness | 7.0～8.0 |
| Los Angeles abrasion value (%) | 13%～18% |
| Polishing value PSV | 45～50 |
| Crush values (%) | 15%～20% |
This artificial white building stones; Form through high-temperature calcination is special, himself have certain corner angle property and grating, the building stones performance indications must satisfy the flexible pavement functional performance demand of gathering materials; The particle diameter of these building stones and spreading amount are decided according to the concrete luminous environment condition in tunnel.
The above-mentioned agglutination material bed of material; Form by being exclusively used in highway construction interlaminar bonding material; Usually adopt hot-melt asphalt layer, modified asphalt layer, mulseal layer, modified emulsifying asphalt layer etc., but be not limited to this, also can adopt color to demonstrate the linen light colour agglutination material bed of material.
The utlity model has following beneficial effect:
1, this tunnel sheet pavement light colour functional layer; Change original dark asphalt road surface into the canescence road surface; Under the prerequisite that keeps original road surface functional performance, this functional layer has been born the effect of pavement abrasion layer, and has effectively improved the illumination albedo of former road surface under dim tunnel environment for use; Increased substantially its illumination reflected intensity; Strengthen the lighting level of flexible pavement in the tunnel, reduced the energy consumption of illumination output, reduced the generation hidden danger of security incident in the time of energy-saving and emission-reduction.This reduces energy consumption for improving the tunnel efficiency of operation, strengthens the tunnel travel safety, to adapt to the instructions for use of this special traffic environment in tunnel, accelerates bituminous concrete applying having great society and economic implications in the tunnel.
2, during this tunnel sheet pavement light colour functional layer is used; It is specific to have kept some excellences that original road structure has; Like the stable high-temperature behavior of flexible pavement, crack resistance at low-temperature, anti-bad performance of damage by water; Also with having excellent rutting resistance and anti-damage by water ability, bear the pavement abrasion layer simultaneously, there is the certain protection effect on original road surface.
Description of drawings
Fig. 1 is that this tunnel sheet pavement light colour functional layer is laid the structural representation after using in embodiment 1.
The practical implementation method
Through embodiment the utility model is specifically described below; Be necessary to be pointed out that at this; Following examples only are used for the utility model is further explained; Can not be interpreted as the restriction to the utility model protection domain, the person skilled in the art in this field can make some nonessential improvement and adjustment to the utility model according to above-mentioned utility model content.
Embodiment 1
As shown in Figure 1, a kind of tunnel sheet pavement light colour functional layer, it comprises the agglutination material bed of material 2 and white macadam 1; The agglutination material bed of material 2 is laid on the tunnel sheet pavement 3, and white macadam 1 is laid on the agglutination material bed of material 2 surfaces, and is embedded in the agglutination material bed of material 2; This white macadam 1, being adopted as particle diameter is the layer structure of the white rubble composition of 1 ~ 3mm, rubble spreading coverage scale is 70%; These agglutination material bed of material 2 concrete colors that adopt demonstrate the linen light colour agglutination material bed of material.
This light colour agglutination material bed of material is to mix at 1: 1 by following two kinds of components by mass ratio, and wherein the percentage composition of each material is all by the mass percent of its shared this component: A component: methyl methacrylate 25%, hydroxyethyl methacrylate 32%; Butyl methacrylate 15%; Calcium carbonate 20.5%, titanium white powder 5%, aerosil 0.5%; N, N-dimethyl-p-toluidine 2%; B component: methyl methacrylate 40%, hydroxyethyl methacrylate 14%, butyl methacrylate 8%, calcium carbonate 28%, titanium white powder 5%, aerosil 1%, dibenzoyl peroxide 4%.
Above-mentioned white rubble material, it is the commercially available artificial white building stones that satisfy each item performance indications shown in the following table:
| The light colour crushed stone aggregate | Performance indications |
| Mohs' hardness | 8.0 |
| Los Angeles abrasion value (%) | 13 |
| Polishing value PSV | 50 |
| Crush values (%) | 15 |
In the practice of construction, the cementitious materials that will specifically adopt respectively earlier after the high speed dispersion preparation, is sprayed at the surface of tunnel sheet pavement 3, promptly forms the agglutination material bed of material 2, and in 30min on the spreading particle diameter be the white rubble of 1 ~ 3mm, promptly form white macadam 1.Under the effect of effective Compaction Effort, cementitious materials fully soaks into white rubble material, and climbs along building stones, and the agglutination material bed of material 2 organically interweaves with boning and further fully wrap up in white macadam 1 and attaches, and forms tunnel sheet pavement light colour functional layer structure.
Overlayed the tunnel sheet pavement of this light colourization functional layer structure, the correction data of its pavement performance testing result and original tunnel sheet pavement, shown in seeing the following form:
Claims (5)
1. tunnel sheet pavement light colour functional layer, it is characterized in that: it comprises the agglutination material bed of material (2) and white macadam (1); The said agglutination material bed of material (2) is laid on the tunnel sheet pavement (3), and said white macadam (1) is laid on the agglutination material bed of material (2) surface, and is embedded in the said agglutination material bed of material (2).
2. tunnel sheet pavement light colour functional layer as claimed in claim 1 is characterized in that: by particle diameter is that the white rubble of 1 ~ 3mm is formed said white macadam (1).
3. according to claim 1 or claim 2 tunnel sheet pavement light colour functional layer, it is characterized in that: the rubble spreading coverage scale of said white macadam (1) is 70% ~ 80%.
4. according to claim 1 or claim 2 tunnel sheet pavement light colour functional layer, it is characterized in that: the said agglutination material bed of material (2) adopts hot-melt asphalt layer, modified asphalt layer, mulseal layer, modified emulsifying asphalt layer or color to demonstrate the linen light colour agglutination material bed of material.
5. tunnel sheet pavement light colour functional layer as claimed in claim 3 is characterized in that: the said agglutination material bed of material (2) adopts hot-melt asphalt layer, modified asphalt layer, mulseal layer, modified emulsifying asphalt layer or color to demonstrate the linen light colour agglutination material bed of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120287557XU CN202208875U (en) | 2011-08-09 | 2011-08-09 | Tunnel asphalt pavement light color functional layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120287557XU CN202208875U (en) | 2011-08-09 | 2011-08-09 | Tunnel asphalt pavement light color functional layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202208875U true CN202208875U (en) | 2012-05-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120287557XU Expired - Lifetime CN202208875U (en) | 2011-08-09 | 2011-08-09 | Tunnel asphalt pavement light color functional layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202208875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963254A (en) * | 2015-05-31 | 2015-10-07 | 智立达资源循环利用科技股份有限公司 | Energy-saving reflective pavement for highway tunnel and paving method thereof |
| CN113213796A (en) * | 2021-05-12 | 2021-08-06 | 四川纵横交安科技有限公司 | Diffuse reflection tunnel energy-saving paving ceramic particle and preparation process thereof |
-
2011
- 2011-08-09 CN CN201120287557XU patent/CN202208875U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963254A (en) * | 2015-05-31 | 2015-10-07 | 智立达资源循环利用科技股份有限公司 | Energy-saving reflective pavement for highway tunnel and paving method thereof |
| CN113213796A (en) * | 2021-05-12 | 2021-08-06 | 四川纵横交安科技有限公司 | Diffuse reflection tunnel energy-saving paving ceramic particle and preparation process thereof |
| CN113213796B (en) * | 2021-05-12 | 2023-02-21 | 四川纵横交安科技有限公司 | Diffuse reflection tunnel energy-saving paving ceramic particle and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |