CN112391900B - High-temperature-resistant asphalt mixed pavement - Google Patents
High-temperature-resistant asphalt mixed pavement Download PDFInfo
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- CN112391900B CN112391900B CN202011341588.9A CN202011341588A CN112391900B CN 112391900 B CN112391900 B CN 112391900B CN 202011341588 A CN202011341588 A CN 202011341588A CN 112391900 B CN112391900 B CN 112391900B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
Abstract
The invention discloses a high-temperature-resistant asphalt mixed pavement, which is characterized in that: the concrete comprises a natural ramming layer, a gravel reinforcing cushion layer, a pervious concrete base layer, an asphalt reinforcing mixed layer and an outer high-temperature-resistant asphalt mixed layer which are sequentially arranged from bottom to top; a reinforcing plate is integrally formed in the asphalt reinforced mixed layer, and a plurality of regularly distributed diamond holes are arranged on the reinforcing plate to enable the reinforcing plate to be in a screen plate shape with the diamond holes; and a reinforcing frame is arranged in the outer high-temperature-resistant asphalt mixing layer.
Description
Technical Field
The invention belongs to the technical field of pavement paving, and particularly relates to a high-temperature-resistant asphalt mixed pavement.
Background
Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, dustless and durable. However, the asphalt mixed pavement has poor high temperature resistance, and is easy to break after long-term use, which is not favorable for driving vehicles and increases the frequency of pavement maintenance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the asphalt mixed pavement layer which is high-temperature resistant and not easy to break.
In order to achieve the purpose, the invention provides the following technical scheme: a high temperature resistant asphalt mixture pavement road surface, characterized by: the concrete comprises a natural ramming layer, a gravel reinforcing cushion layer, a pervious concrete base layer, an asphalt reinforcing mixed layer and an outer high-temperature-resistant asphalt mixed layer which are sequentially arranged from bottom to top; a reinforcing plate is integrally formed in the asphalt reinforced mixed layer, and a plurality of regularly distributed diamond holes are arranged on the reinforcing plate to enable the reinforcing plate to be in a screen plate shape with the diamond holes; and a reinforcing frame is arranged in the outer high-temperature-resistant asphalt mixing layer.
By adopting the technical scheme, the reinforcing plate is integrally formed in the asphalt reinforced mixed layer, so that the anti-cracking capability of the asphalt reinforced mixed layer can be ensured; the reinforcing plate is provided with a plurality of regularly distributed diamond holes, so that the reinforcing plate is in a screen plate shape with the diamond holes, and the bonding strength of the reinforcing plate and the asphalt reinforcing mixed layer is ensured in the pouring process; and a reinforcing frame is arranged in the outer high-temperature-resistant asphalt mixing layer, and the reinforcing frame can ensure the structural strength and the anti-fracture capability of the outer high-temperature-resistant asphalt mixing layer.
The invention is further configured to: the reinforcing frame is in a honeycomb net shape and is formed by splicing a plurality of reinforcing pieces which are uniformly distributed; the reinforcing piece is Y-shaped and is formed by three supporting columns which are uniformly distributed according to the circumference; and a strong spring is arranged between the support columns of the two adjacent spliced reinforcing pieces.
By adopting the technical scheme, the reinforcing frame is in a honeycomb net shape and is formed by splicing a plurality of reinforcing pieces which are uniformly distributed, so that the integral stretch-resistant capability of the reinforcing frame is ensured; the reinforcing piece is Y-shaped and is formed by three supporting columns which are uniformly distributed according to the circumference, and a strong spring is arranged between the supporting columns of the two adjacent spliced reinforcing pieces, so that the integral stretch-resistant capability of the reinforcing frame can be ensured, and the probability of breakage of the reinforcing frame can be reduced.
The invention is further configured to: the end face of the supporting column is integrally provided with the convex positioning lug, so that the contact area between the strong spring and the supporting column can be ensured, and the strong spring and the positioning lug are reinforced by welding, so that the fixing strength of the strong spring can be ensured.
Through adopting foretell technical scheme, integrated into one piece has convex location lug on the terminal surface of support column, and powerful spring card is consolidated on the location lug of adjacent support column and through the welding.
The invention is further configured to: the outer high-temperature-resistant asphalt mixing layer is prepared by mixing the following raw material components in parts by weight; 100 parts of epoxy asphalt, 8.5 parts of polychlorotrifluoroethylene, 30 parts of white jade particles, 25 parts of slag, 10 parts of ground calcium carbonate, 4.5 parts of polyvinyl alcohol and 3 parts of latex powder.
Wherein the dolomite particles are sand-shaped particles, and are distributed according to the proportion of 8-10 meshes: 30-35 meshes: the mixture ratio of 55-60 meshes to 70-95 meshes is 1.5:1:2.5: 1.
By adopting the technical scheme, the epoxy asphalt can ensure the structural strength of the outer high-temperature-resistant asphalt mixing layer; the stability and heat resistance of the outer high-temperature-resistant asphalt mixing layer can be further ensured by adding the polychlorotrifluoroethylene; the white jade particles ensure the pressure resistance and the bending resistance of the outer high-temperature-resistant asphalt mixing layer; the slag and the heavy calcium carbonate can play a good filling effect, the slag greatly improves the physical and mechanical properties of the outer high-temperature-resistant asphalt mixing layer, and the heavy calcium carbonate further ensures the toughness and strength of the outer high-temperature-resistant asphalt mixing layer;
the polyvinyl alcohol has film forming property, and has better solvent resistance and stability after film forming, thereby being beneficial to leading the surface layer of the formed regenerated pavement paving plate to have better water seepage resistance and antifouling effect; the latex powder has better bonding capability, thereby ensuring the bonding strength of the outer high-temperature-resistant asphalt mixing layer and the asphalt reinforcing mixing layer.
The invention is further configured to: the asphalt reinforcing mixed layer is prepared by mixing the following raw material components in parts by weight; 100 parts of asphalt, 10 parts of fly ash, 45 parts of crushed stone, 15 parts of coarse sand and 0.5 part of xanthan gum.
The invention is further configured to: a plurality of reinforcing ribs which are uniformly distributed according to the circumference are arranged between the support columns of the two adjacent spliced reinforcing pieces; the reinforcing ribs are fixed on the supporting columns through welding.
By adopting the technical scheme, a plurality of reinforcing ribs which are uniformly distributed according to the circumference are arranged between the support columns of the two adjacent spliced reinforcing pieces, so that the integral structural strength of the reinforcing frame can be further improved; and the reinforcing ribs are fixed on the supporting columns through welding, so that the connection strength between the reinforcing ribs and the supporting columns can be ensured.
The invention is further configured to: the reinforcing rib comprises two supporting parts with arc-shaped sections and a reinforcing part arranged between the two supporting parts, wherein the reinforcing part is in a fold line shape and is made of a spring steel sheet.
By adopting the technical scheme, the reinforcing rib comprises two supporting parts with arc-shaped sections and a reinforcing part arranged between the two supporting parts, so that the reinforcing rib can be conveniently fixed on the supporting column; the reinforcing part is in a fold line shape, so that good tensile resistance can be achieved, and the reinforcing ribs are made of spring steel sheets, so that the overall anti-fracture and anti-falling effects of the outer high-temperature-resistant asphalt mixing layer are further improved.
The invention is further configured to: still include a plurality of perpendicular settings and evenly distributed's reinforcement steel pipe, the upper end of consolidating the steel pipe runs through the rubble and consolidates the inside of bed course to the concrete base that permeates water, the lower extreme of consolidating the steel pipe runs through the inside on rubble and consolidates bed course to natural rammer soil layer.
By adopting the technical scheme, the reinforced steel pipe is arranged, the upper end of the reinforced steel pipe penetrates through the gravel reinforcing cushion layer to the inside of the permeable concrete base layer, and the lower end of the reinforced steel pipe penetrates through the gravel reinforcing cushion layer to the inside of the natural ramming layer; the concrete base layer that permeates water is connected with the natural ramming layer through reinforcing the steel pipe realization, has increased the steadiness that the road surface structure of mating formation is connected with ground.
The invention is further configured to: the reinforced steel pipe is arranged in a hollow structure, and a plurality of through holes which are uniformly distributed and penetrate into the steel pipe are formed in the outer surface of the reinforced steel pipe.
Through adopting foretell technical scheme, solid steel pipe sets up for hollow structure, and sets up a plurality of evenly distributed and run through to the inside through-hole of steel pipe at the surface of consolidating the steel pipe to can improve the joint strength between each layer.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial structural view of the reinforcing cage of the present invention;
FIG. 3 is a schematic view of the reinforcement of the present invention;
FIG. 4 is a schematic view of the structure of the reinforcing plate of the present invention;
reference numbers in the drawings and corresponding part names: 1-natural ramming layer, 2-broken stone reinforcing cushion layer, 3-pervious concrete base layer, 4-asphalt reinforcing mixed layer, 5-outer high temperature resistant asphalt mixed layer, 6-reinforcing plate, 7-reinforcing frame, 7 a-supporting column, 7 b-strong spring, 8-positioning lug, 9-reinforcing rib, 9 a-supporting part, 9 b-reinforcing part and 10-reinforcing steel pipe.
Detailed Description
One embodiment of the present invention is further described with reference to fig. 1 to 4.
A high temperature resistant asphalt mixture pavement road surface, characterized by: the concrete comprises a natural ramming layer 1, a gravel reinforcing cushion layer 2, a pervious concrete base layer 3, an asphalt reinforcing mixed layer 4 and an outer high-temperature-resistant asphalt mixed layer 5 which are arranged in sequence from bottom to top; a reinforcing plate 6 is integrally formed in the asphalt reinforcing and mixing layer 4, and a plurality of regularly distributed diamond holes are arranged on the reinforcing plate 6, so that the reinforcing plate 6 is in a screen plate shape with the diamond holes; and a reinforcing frame 7 is arranged in the outer high-temperature-resistant asphalt mixing layer 5.
The reinforcing plate 6 is integrally formed in the asphalt reinforcement mixing layer 4, so that the anti-cracking capability of the asphalt reinforcement mixing layer 4 can be ensured; the reinforcing plate 6 is provided with a plurality of regularly distributed diamond holes, so that the reinforcing plate 6 is in a screen plate shape with the diamond holes, and the bonding strength of the reinforcing plate 6 and the asphalt reinforcing mixed layer 4 is ensured in the pouring process; and a reinforcing frame 7 is arranged in the outer high-temperature-resistant asphalt mixing layer 5, and the reinforcing frame 7 can ensure the structural strength and the anti-fracture capability of the outer high-temperature-resistant asphalt mixing layer 5.
Further: the reinforcing frame 7 is in a honeycomb net shape and is formed by splicing a plurality of reinforcing pieces which are uniformly distributed; the reinforcing piece is Y-shaped and is formed by three supporting columns 7a which are uniformly distributed according to the circumference; and a strong spring 7b is arranged between the supporting columns 7a of two adjacent spliced reinforcing pieces.
The reinforcing frame 7 is in a honeycomb net shape and is formed by splicing a plurality of reinforcing pieces which are uniformly distributed, so that the integral tensile resistance of the reinforcing frame 7 is ensured; the reinforcing piece is Y-shaped and is formed by three supporting columns 7a which are uniformly distributed according to the circumference, and a strong spring 7b is arranged between the supporting columns 7a of the two adjacent spliced reinforcing pieces, so that the integral stretch-resistant capability of the reinforcing frame 7 can be ensured, and the probability of breakage of the reinforcing frame 7 can be reduced.
Further: the end face of the supporting column 7a is integrally formed with a protruding positioning lug 8, so that the contact area between the strong spring 7b and the supporting column 7a can be ensured, and the strong spring 7b and the positioning lug 8 are reinforced by welding, so that the fixing strength of the strong spring 7b can be ensured.
By integrally forming the protruding positioning projections 8 on the end surfaces of the supporting columns 7a, the strong springs 7b are clamped on the positioning projections 8 of the adjacent supporting columns 7a and are reinforced by welding.
Further: the outer high-temperature-resistant asphalt mixing layer 5 is prepared by mixing the following raw material components in parts by weight; 100 parts of epoxy asphalt, 8.5 parts of polychlorotrifluoroethylene, 30 parts of white jade particles, 25 parts of slag, 10 parts of ground calcium carbonate, 4.5 parts of polyvinyl alcohol and 3 parts of latex powder.
Wherein the dolomite particles are sand-shaped particles, and are distributed according to the proportion of 8-10 meshes: 30-35 meshes: the mixture ratio of 55-60 meshes to 70-95 meshes is 1.5:1:2.5: 1.
The self structural strength of the outer high-temperature-resistant asphalt mixing layer 5 can be ensured through the epoxy asphalt; the stability and the heat resistance of the outer high-temperature-resistant asphalt mixing layer 5 can be further ensured by adding the polychlorotrifluoroethylene; the white jade particles ensure the pressure resistance and the bending resistance of the outer high-temperature-resistant asphalt mixing layer 5; the slag and the heavy calcium carbonate can play a good filling effect, the slag greatly improves the physical and mechanical properties of the outer high-temperature-resistant asphalt mixing layer 5, and the heavy calcium carbonate further ensures the toughness and strength of the outer high-temperature-resistant asphalt mixing layer 5;
the polyvinyl alcohol has film forming property, and has better solvent resistance and stability after film forming, thereby being beneficial to leading the surface layer of the formed regenerated pavement paving plate to have better water seepage resistance and antifouling effect; the latex powder has better bonding capability, thereby ensuring the bonding strength of the outer high-temperature-resistant asphalt mixing layer 5 and the asphalt reinforcing mixing layer 4.
Further: the asphalt reinforcing mixed layer 4 is prepared by mixing the following raw material components in parts by weight; 100 parts of asphalt, 10 parts of fly ash, 45 parts of crushed stone, 15 parts of coarse sand and 0.5 part of xanthan gum.
Further: a plurality of reinforcing ribs 9 which are uniformly distributed according to the circumference are arranged between the supporting columns 7a of the two adjacent spliced reinforcing pieces; the reinforcing ribs 9 are fixed on the supporting columns 7a through welding.
A plurality of reinforcing ribs 9 which are uniformly distributed according to the circumference are arranged between the support columns 7a of two adjacent spliced reinforcing pieces, so that the integral structural strength of the reinforcing frame 7 can be further improved; and the reinforcing ribs 9 are fixed on the supporting columns 7a by welding, so that the connection strength between the reinforcing ribs 9 and the supporting columns 7a can be ensured.
Further: the reinforcing rib 9 comprises two supporting parts 9a with arc-shaped cross sections and a reinforcing part 9b arranged between the two supporting parts 9a, the reinforcing part 9b is in a fold line shape, and the reinforcing rib 9 is made of spring steel sheets.
The reinforcing rib 9 comprises two supporting parts 9a with arc-shaped cross sections and a reinforcing part 9b arranged between the two supporting parts 9a, so that the reinforcing rib 9 can be conveniently fixed on the supporting column 7 a; the reinforcing part 9b is in a zigzag shape, so that good tensile resistance can be achieved, and the reinforcing ribs 9 are made of spring steel sheets, so that the overall anti-fracture and anti-falling effects of the outer high-temperature-resistant asphalt mixing layer 5 are further improved.
Further: still include a plurality of perpendicular settings and evenly distributed's reinforcement steel pipe 10, the upper end of reinforcing steel pipe 10 runs through rubble reinforcement bed course 2 to the inside of concrete base 3 that permeates water, the lower extreme of reinforcing steel pipe 10 runs through rubble reinforcement bed course 2 to the inside of natural rammer layer 1.
By arranging the reinforced steel pipe 10, the upper end of the reinforced steel pipe 10 penetrates through the gravel reinforcing cushion layer 2 to the inside of the pervious concrete base layer 3, and the lower end of the reinforced steel pipe 10 penetrates through the gravel reinforcing cushion layer 2 to the inside of the natural ramming layer 1; the concrete base layer 3 that permeates water is connected with the natural ramming layer 1 through reinforcing the steel pipe 10, has increased the steadiness that the road surface pavement structure is connected with ground.
Further: the reinforced steel pipe 10 is arranged in a hollow structure, and a plurality of through holes which are uniformly distributed and penetrate into the steel pipe are formed in the outer surface of the reinforced steel pipe 10.
The solid steel pipes are arranged in a hollow structure, and a plurality of through holes which are uniformly distributed and penetrate into the steel pipes are formed in the outer surfaces of the reinforced steel pipes 10, so that the connection strength between all layers can be improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. A high temperature resistant asphalt mixture pavement road surface, characterized by: the concrete comprises a natural ramming layer (1), a broken stone reinforcing cushion layer (2), a pervious concrete base layer (3), an asphalt reinforcing mixed layer (4) and an outer high-temperature-resistant asphalt mixed layer (5) which are arranged in sequence from bottom to top; a reinforcing plate (6) is integrally formed in the asphalt reinforcing mixing layer (4), and a plurality of regularly distributed diamond holes are arranged on the reinforcing plate (6) to enable the reinforcing plate (6) to be in a screen plate shape with the diamond holes; a reinforcing frame (7) is arranged in the outer high-temperature-resistant asphalt mixing layer (5);
the reinforcing frame (7) is in a honeycomb net shape and is formed by splicing a plurality of reinforcing pieces which are uniformly distributed; the reinforcing piece is Y-shaped and is formed by three supporting columns (7 a) which are uniformly distributed according to the circumference; a strong spring (7 b) is arranged between the support columns (7 a) of two adjacent spliced reinforcements;
a plurality of reinforcing ribs (9) which are uniformly distributed according to the circumference are arranged between the supporting columns (7 a) of two adjacent spliced reinforcing pieces; the reinforcing ribs (9) are fixed on the supporting columns (7 a) through welding;
the reinforcing rib (9) comprises two supporting parts (9 a) with arc-shaped sections and a reinforcing part (9 b) arranged between the two supporting parts (9 a), wherein the reinforcing part (9 b) is in a zigzag shape, and the reinforcing rib (9) is made of spring steel sheets.
2. The high-temperature resistant asphalt mixture pavement as claimed in claim 1, wherein: the end faces of the supporting columns (7 a) are integrally provided with protruding positioning lugs (8), and the strong springs (7 b) are clamped on the positioning lugs (8) of the adjacent supporting columns (7 a) and are reinforced through welding.
3. The high-temperature resistant asphalt mixture pavement as claimed in claim 2, wherein: the outer high-temperature-resistant asphalt mixing layer (5) is prepared by mixing the following raw material components in parts by weight; 100 parts of epoxy asphalt, 8.5 parts of polychlorotrifluoroethylene, 30 parts of white jade particles, 25 parts of slag, 10 parts of ground calcium carbonate, 4.5 parts of polyvinyl alcohol and 3 parts of latex powder.
4. The high-temperature resistant asphalt mixture pavement as claimed in claim 3, wherein: the asphalt reinforcing mixed layer (4) is prepared by mixing the following raw material components in parts by weight; 100 parts of asphalt, 10 parts of fly ash, 45 parts of crushed stone, 15 parts of coarse sand and 0.5 part of xanthan gum.
5. The high-temperature resistant asphalt mixture pavement as claimed in claim 4, wherein: still include a plurality of perpendicular settings and evenly distributed's reinforcement steel pipe (10), the upper end of reinforcement steel pipe (10) runs through the inside of rubble reinforcement bed course (2) to concrete base (3) that permeates water, the lower extreme of reinforcement steel pipe (10) runs through the inside of rubble reinforcement bed course (2) to natural ramming layer (1).
6. The high-temperature resistant asphalt mixture pavement as claimed in claim 5, wherein: the reinforced steel pipe (10) is arranged in a hollow structure, and a plurality of through holes which are uniformly distributed and penetrate into the steel pipe are formed in the outer surface of the reinforced steel pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341588.9A CN112391900B (en) | 2020-11-25 | 2020-11-25 | High-temperature-resistant asphalt mixed pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341588.9A CN112391900B (en) | 2020-11-25 | 2020-11-25 | High-temperature-resistant asphalt mixed pavement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112391900A CN112391900A (en) | 2021-02-23 |
| CN112391900B true CN112391900B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011341588.9A Active CN112391900B (en) | 2020-11-25 | 2020-11-25 | High-temperature-resistant asphalt mixed pavement |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB257057A (en) * | 1925-07-01 | 1926-08-26 | Louis Herman Alfred Dunker | Improvements in or relating to the constructionof roads, and the like |
| NL7901193A (en) * | 1979-02-15 | 1980-08-19 | Bruil Arnhem Wegenbouw | ARMED ROAD COATING, FOR example ASPHALATIC COAT. |
| JP2790373B2 (en) * | 1990-11-26 | 1998-08-27 | ジャパンコンステック株式会社 | Road structure and road paving method |
| CN202881797U (en) * | 2012-09-18 | 2013-04-17 | 谭纯霖 | Asphalt pavement structure |
| CN103088739B (en) * | 2013-02-07 | 2014-11-12 | 长安大学 | Multifunctional three-dimensional grid for asphalt mixture |
| KR101482163B1 (en) * | 2014-08-14 | 2015-01-14 | (주)에스엔건설 | Prevention of Plastic Deformation on Asphalt Pavement by using Carbophalt Fibre Reinforcing Grids |
| CN204199133U (en) * | 2014-10-24 | 2015-03-11 | 中国路桥工程有限责任公司 | A kind of modified asphalt mixture road surface |
| CN206512549U (en) * | 2016-11-11 | 2017-09-22 | 彭辉 | A kind of Anticrack grid sheet for reinforcement of pavement |
| CN206828908U (en) * | 2017-02-22 | 2018-01-02 | 上海砼仁环保技术发展有限公司 | Asphalt paving structure |
| CN211596259U (en) * | 2019-11-07 | 2020-09-29 | 中电建路桥集团有限公司 | Sponge city structure of mating formation of permeating water |
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2020
- 2020-11-25 CN CN202011341588.9A patent/CN112391900B/en active Active
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