CN201826241U - Low-carbon, energy-saving and environment-friendly road pavement - Google Patents
Low-carbon, energy-saving and environment-friendly road pavement Download PDFInfo
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- CN201826241U CN201826241U CN2010205346130U CN201020534613U CN201826241U CN 201826241 U CN201826241 U CN 201826241U CN 2010205346130 U CN2010205346130 U CN 2010205346130U CN 201020534613 U CN201020534613 U CN 201020534613U CN 201826241 U CN201826241 U CN 201826241U
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Abstract
The utility model discloses a low-carbon, energy-saving and environment-friendly road pavement comprising a natural gravel cushioning layer, a grading gravel base layer, a high-permeability emulsified asphalt permeable layer, a cold-mixed asphalt mixing material surface layer, a modified and emulsified asphalt bonding layer and a fiber surfacing wearing layer which are arranged from bottom to top in sequence. The road pavement adopts a fibered surfacing mixing material as an ultrathin wearing layer of the road pavement, and due to existence of the fiber and the SBS modified and emulsified asphalt, the whole strength, durability, low-temperature anti-cracking performance and anti-skid capability and waterproof capability are improved. The SBS modified and emulsified asphalt with high solid content is used as a bonding layer, the bonding strength and the whole strength of the wearing layer and the cold-mixed asphalt mixing material surface layer can be improved, and simultaneously, waterproof function is achieved so as to block permeation of water and protect all pavement layers below. The low-carbon, energy-saving and environment-friendly road pavement can be applied in city road pavements and highway pavements and the like with medium-low traffic volume.
Description
Technical field
The utility model relates to the pavement of road engineering, is specifically related to the pavement of road of a kind of low-carbon (LC), energy-conserving and environment-protective.
Background technology
Pavement of road is divided into flexible pavement and cement pavement two big classes from the surface material type, the road materials that the tradition road structure adopts mainly contains pitch, cement, lime, flyash, rubble etc., its medium pitch, cement, the manufacturing process of lime all belongs to high energy consumption, the high-carbon discharging process, wherein bituminous material substantially all is that high temperature uses in road construction, so process at bituminous mixture, the defective that also has heating energy consumption and bitumen flue gas environment pollution in the paving process, cement, lime, in use there is the airborne dust problem in flyash, and rubble exists exploitation to blow out noise aborning, the defective of environment pollutions such as rolling screening noise and airborne dust.
Summary of the invention
Order of the present utility model is to provide a kind of road surface bulk strength height, good endurance, and low temperature prevents that fragility, anti-slide performance and waterproof ability are strong, reduces carbon emission amount, energy conservation, a kind of low-carbon (LC) of preserving the ecological environment, the pavement of road of energy-conserving and environment-protective.
In order to overcome the deficiencies in the prior art, the technical solution of the utility model is to solve like this: the special character of the pavement of road of a kind of low-carbon (LC), energy-conserving and environment-protective is that this road surface is connected with graded gravel basic unit by natural gravel bed course, graded gravel basic unit is connected with the saturating layer of high infiltration emulsified asphalt, the saturating layer of high infiltration emulsified asphalt is connected with the cold-mix asphalt mixture surface course, the cold-mix asphalt mixture surface course is connected with the modified emulsifying asphalt adhesive linkage, and the modified emulsifying asphalt adhesion coating is connected with the little table of fiber place wearing layer.
Described natural gravel bed course is meant natural gravel particle diameter at 0.075mm～53mm, and thickness is 20cm～30cm.
The thickness of described graded gravel basic unit is 20cm～45cm, the maximum particle diameter of its gravel is 31.5mm, grating control sieve aperture is respectively: 31.5mm, 19mm, 9.5mm, 4.75mm, 2.36mm, 0.6mm, 0.075mm, percent of pass respectively is: 100%, 90～100%, 54～72%, 31～52%, 19～35%, 10～18%, 0～5%.
The material of the saturating layer of described high infiltration emulsified asphalt is high infiltration emulsified asphalt, and its solid content is 40%～50%, and spilling the cloth amount is 0.5kg/m
2～0.8kg/m
2
The thickness of described cold-mix asphalt mixture surface course is 5～15cm.
The material of described modified emulsifying asphalt adhesive linkage is the SBS modified emulsifying asphalt, and the solid content of modified emulsifying asphalt is 60%～70%, and spilling the cloth amount is 0.3kg/m
2～0.6kg/m
2
The thickness of the little table of described fiber place wearing layer is 0.6～1.5cm.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of road surface user mode.
The specific embodiment
Accompanying drawing is embodiment of the present utility model.
Below in conjunction with accompanying drawing summary of the invention is described further:
With reference to Fig. 1, shown in Figure 2, this road surface is connected with graded gravel basic unit 2 by natural gravel bed course 1, graded gravel basic unit 2 is connected with the saturating layer 3 of high infiltration emulsified asphalt, the saturating layer of high infiltration emulsified asphalt 3 is connected with cold-mix asphalt mixture surface course 4, cold-mix asphalt mixture surface course 4 is connected with modified emulsifying asphalt adhesive linkage 5, and modified emulsifying asphalt adhesion coating 5 is connected with the little table of fiber place wearing layer 6.
Described natural gravel bed course is meant that particle diameter forms through compacting at the natural gravel of 0.075mm～53mm behind the mud that sieves, and thickness is 20cm～30cm.
The thickness of described graded gravel basic unit is 20cm～45cm, the maximum particle diameter of its gravel is 31.5mm, grating control sieve aperture is: 31.5mm, 19mm, 9.5mm, 4.75mm, 2.36mm, 0.6mm, 0.075mm, percent of pass respectively is: 100%, 90～100%, 54～72%, 31～52%, 19～35%, 10～18%, 0～5%.
The material of the saturating layer of described high infiltration emulsified asphalt is high infiltration emulsified asphalt, and its solid content is 40%～50%, and spilling the cloth amount is 0.5kg/m
2～0.8kg/m
2, the composition material of high infiltration emulsified asphalt comprises pitch, water, emulsifier, bleeding agent.
The thickness of described cold-mix asphalt mixture surface course is 5～15cm, and composition material comprises and gathering materials, filler, cold mixing cementitious matter.Described cold mixing cementitious matter is a kind of liquefied mixture of forming with thermoplastic elastomer, pitch and auxiliary agent.
The material of described modified emulsifying asphalt adhesion coating is the SBS modified emulsifying asphalt, and the solid content of modified emulsifying asphalt is 60%～70%, and spilling the cloth amount is 0.3kg/m
2～0.6kg/m
2
The thickness of the little table of described fiber place wearing layer is 0.6～1.5cm, adopt the framework compact type compound, its composition material has: gather materials, filler, fiber, modified emulsifying asphalt, described gathering materials is meant rubble, described filler is meant more than one in levigate limestone mineral powder or slaked lime powder or the cement, described fiber is meant glass fiber or mineral fibers, and described modified emulsifying asphalt is meant the SBS modified emulsifying asphalt.
The utlity model has following advantage:
(1) employing adds the ultra-thin wearing layer of the micro-surfacing mixture of fiber as the road surface, have high temperature, low temperature, advantage that water stability is good, improved bulk strength, durability, low temperature anti crack performance, anti-slide performance and the waterproof ability on road surface because of the existence of fiber and SBS modified emulsifying asphalt.
(2) adopt highly filled SBS modified emulsifying asphalt to do adhesion coating, not only can improve the adhesion stress and the bulk strength of wearing layer and cold-mix asphalt mixture surface course, have water-proof function simultaneously, stoped the infiltration of moisture, protected each supercrust of lower floor.
(3) adopt the cold-mix asphalt mixture surface course can improve the bulk strength and stability of asphalt surface course, improve the anti-rut and the fatigue performance on road surface.
(4) adopt the saturating layer of high infiltration emulsified asphalt can improve the globality of graded gravel basic unit and the adhesion strength of graded gravel basic unit and cold-mix asphalt mixture surface course.
(5) adopt graded gravel basic unit,, stopped the generation in crack, guaranteed structural strength and durability, for flexible pavement provides solid sub-layer because of there not being the existence of hydraulic material.
(6) adopt natural gravel bed course to intercept phreatic rising, the damage by water evil of having avoided underground water road pavement cementitious matter to peel off.
(7) this top course adopts emulsified bituminous materials, and all making at normal temperatures need not heating; Basic unit and bed course all adopt the gritting material of natural formation, only need sieve during use, go mud to get final product, need not special processing and add other synthetic material, environmental protection, so this road surface integral body has realized energy conservation, reduce airborne dust, (130～180 ℃) bitumen flue gas has been realized energy-conserving and environment-protective to the pollution of environment when having avoided construction at high temperature.
(8) this construction Craft is simple, and the engineering equipment of existing road building technology can realize, in can be applicable to, the urban road surfaces of the low traffic volume and highway pavement etc.
Protection domain of the present utility model is not limit by embodiment.
The pavement of road of a kind of low-carbon (LC), energy-conserving and environment-protective, its this road surface structure by the thick graded gravel of the 25cm basic unit of mating formation on the hot gravel bed course in the thick sky of 20cm, spill cloth 0.6kg/m successively in the graded gravel basic unit
2High infiltration emulsified asphalt is as saturating layer, and the 8cm cold-mix asphalt mixture surface course of mating formation on the saturating layer of high infiltration emulsified asphalt spills cloth 0.4kg/m on the cold-mix asphalt mixture surface course
2The SBS modified emulsifying asphalt is as adhesion coating, and the little table of the 10mm fiber place wearing layer of mating formation on the modified emulsifying asphalt adhesion coating is formed.
Claims (7)
1. the pavement of road of a low-carbon (LC), energy-conserving and environment-protective, it is characterized in that this road surface is connected with graded gravel basic unit (2) by natural gravel bed course (1), graded gravel basic unit (2) is connected with the saturating layer of high infiltration emulsified asphalt (3), the saturating layer of high infiltration emulsified asphalt (3) is connected with cold-mix asphalt mixture surface course (4), cold-mix asphalt mixture surface course (4) is connected with modified emulsifying asphalt adhesive linkage (5), and modified emulsifying asphalt adhesion coating (5) is connected with the little table of fiber place's wearing layer (6).
2. according to the pavement of road of the described a kind of low-carbon (LC) of claim 1, energy-conserving and environment-protective, it is characterized in that described natural gravel bed course is meant natural gravel particle diameter at 0.075mm～53mm, thickness is 20cm～30cm.
3. according to the pavement of road of the described a kind of low-carbon (LC) of claim 1, energy-conserving and environment-protective, it is characterized in that the thickness of described graded gravel basic unit is 20cm～45cm.
4. according to the pavement of road of the described a kind of low-carbon (LC) of claim 1, energy-conserving and environment-protective, it is characterized in that the material of the saturating layer of described high infiltration emulsified asphalt is high infiltration emulsified asphalt.
5. according to the pavement of road of the described a kind of low-carbon (LC) of claim 1, energy-conserving and environment-protective, the thickness that it is characterized in that described cold-mix asphalt mixture surface course is 5～15cm.
6. according to the pavement of road of the described a kind of low-carbon (LC) of claim 1, energy-conserving and environment-protective, the material that it is characterized in that described modified emulsifying asphalt adhesive linkage is the SBS modified emulsifying asphalt.
7. according to the pavement of road of the described a kind of low-carbon (LC) of claim 1, energy-conserving and environment-protective, it is characterized in that the thickness of the little table of described fiber place wearing layer is 0.6～1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205346130U CN201826241U (en) | 2010-09-17 | 2010-09-17 | Low-carbon, energy-saving and environment-friendly road pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205346130U CN201826241U (en) | 2010-09-17 | 2010-09-17 | Low-carbon, energy-saving and environment-friendly road pavement |
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| Publication Number | Publication Date |
|---|---|
| CN201826241U true CN201826241U (en) | 2011-05-11 |
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|---|---|---|---|
| CN2010205346130U Expired - Fee Related CN201826241U (en) | 2010-09-17 | 2010-09-17 | Low-carbon, energy-saving and environment-friendly road pavement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425092A (en) * | 2011-09-22 | 2012-04-25 | 西安国琳实业股份有限公司 | Ultra-viscous seal coat on bituminous pavement and construction method thereof |
| CN103469714A (en) * | 2013-09-25 | 2013-12-25 | 广西国创道路材料有限公司 | Ultra-thin wearing course and construction method thereof |
| CN106868972A (en) * | 2017-01-18 | 2017-06-20 | 青海省交通科学研究院 | A kind of asphalt pavement structure and its construction method suitable for Qinghai-xizang Plateau Region |
| CN110670440A (en) * | 2019-09-23 | 2020-01-10 | 山西省交通新技术发展有限公司 | Pavement structure applying super-viscous fiber wearing layer |
-
2010
- 2010-09-17 CN CN2010205346130U patent/CN201826241U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425092A (en) * | 2011-09-22 | 2012-04-25 | 西安国琳实业股份有限公司 | Ultra-viscous seal coat on bituminous pavement and construction method thereof |
| CN103469714A (en) * | 2013-09-25 | 2013-12-25 | 广西国创道路材料有限公司 | Ultra-thin wearing course and construction method thereof |
| CN106868972A (en) * | 2017-01-18 | 2017-06-20 | 青海省交通科学研究院 | A kind of asphalt pavement structure and its construction method suitable for Qinghai-xizang Plateau Region |
| CN110670440A (en) * | 2019-09-23 | 2020-01-10 | 山西省交通新技术发展有限公司 | Pavement structure applying super-viscous fiber wearing layer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20130917 |