CN110790535A - Maintenance method of asphalt road - Google Patents
Maintenance method of asphalt road Download PDFInfo
- Publication number
- CN110790535A CN110790535A CN201911231711.9A CN201911231711A CN110790535A CN 110790535 A CN110790535 A CN 110790535A CN 201911231711 A CN201911231711 A CN 201911231711A CN 110790535 A CN110790535 A CN 110790535A
- Authority
- CN
- China
- Prior art keywords
- asphalt
- parts
- asphalt mixture
- road
- basalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of municipal construction, and provides a maintenance method of an asphalt road aiming at the problems of resource waste and environmental pollution, which comprises the following steps: s1, crushing the road; s2, preparing an asphalt mixture; s3, paving a road surface; the asphalt mixture comprises the following components in parts by mass: 10-12 parts of asphalt; 65-70 parts of waste asphalt mixture; 75-80 parts of aggregate; 8-10 parts of mineral powder; 0.05-0.1 part of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine; 1-2 parts of iron naphthacene; 3-5 parts of p-dodecyl benzene sulfonyl chloride. The waste asphalt mixture in the broken asphalt pavement layer is mixed into each component of the new asphalt mixture again to form the new asphalt mixture and used for paving the pavement again, so that the utilization rate of the waste asphalt mixture is improved, the pollution of the waste asphalt mixture to the environment is reduced, and the energy conservation and environmental protection are facilitated.
Description
Technical Field
The invention relates to the field of municipal construction, in particular to a maintenance method of an asphalt road.
Background
Asphalt roads refer to various types of roads made by incorporating into mineral materials a road pavement of asphalt material. The asphalt binder improves the ability of the paving material to resist damage from driving and natural factors to the pavement, and makes the pavement smooth, dustless, waterproof and durable, so that the asphalt road is a high-grade pavement which is most widely used in road construction.
However, under the repeated action of wheel load and the action of diesel oil and engine oil leaked by vehicles, asphalt and aggregate are easily peeled and loosened, so that pits are easily formed on the asphalt pavement; in addition, the asphalt road is also susceptible to wind, sun, rain, cold and cold, so that cracks are easily formed on the asphalt road, and therefore, the asphalt road is generally required to be maintained in order to ensure normal use of the asphalt road.
The existing asphalt road maintenance usually comprises the steps of crushing the original asphalt pavement layer, removing the waste crushed asphalt mixture, and paving a new asphalt mixture on the roadbed to form a new asphalt road. However, the method for repairing the asphalt road easily generates a large amount of waste asphalt mixture, easily causes influence on the environment, and simultaneously causes resource waste, so that the method still has room for improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a maintenance method of an asphalt road, which has the advantage of recycling waste asphalt mixture.
In order to achieve the purpose, the invention provides the following technical scheme:
a maintenance method of an asphalt road comprises the following steps:
s1, crushing the road: crushing the damaged asphalt pavement layer;
s2, preparing an asphalt mixture: cleaning the crushed asphalt out of the road, and uniformly mixing the waste asphalt mixture in the crushed asphalt pavement layer with the components of the asphalt mixture to obtain an asphalt mixture;
s3, paving the pavement: re-paving the asphalt mixture prepared in the step S2 on the road and compacting to form an asphalt pavement layer, namely completing the maintenance of the asphalt road;
the asphalt mixture comprises the following components in parts by mass:
10-12 parts of asphalt;
65-70 parts of waste asphalt mixture;
75-80 parts of aggregate;
8-10 parts of mineral powder;
0.05-0.1 part of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine;
1-2 parts of iron naphthacene;
3-5 parts of p-dodecyl benzene sulfonyl chloride.
By adopting the technical scheme, the waste asphalt materials in the broken asphalt pavement layer are mixed into the components of the new asphalt mixture again to form the new asphalt mixture and used for paving the pavement again, so that the utilization rate of the waste asphalt mixture is improved, and meanwhile, the pollution of the waste asphalt mixture to the environment is reduced, and the energy conservation and environmental protection are facilitated.
By adopting the mutual cooperative matching of the N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, the iron naphthaline acrylate and the p-dodecylbenzene sulfonyl chloride, the method is favorable for better separating the waste asphalt from the waste aggregate in the waste asphalt mixture, and simultaneously is favorable for improving the compatibility of the new asphalt with the waste asphalt, the waste aggregate and the new aggregate, so that the bonding force of the new asphalt and the new and old aggregates is enhanced, the new and old aggregates are favorably and uniformly dispersed in the asphalt mixture, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are better, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt road obtained by construction are better, the service life of the asphalt road is favorably prolonged, and the later maintenance cost of the asphalt road is reduced, is beneficial to improving the economic benefit.
The invention is further configured to: the aggregate is basalt with the grain size not greater than 25 mm.
By adopting the technical scheme, the basalt is used as the aggregate, and is hard, so that the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are favorably improved, and the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt road obtained by construction are better.
The invention is further configured to: the aggregate is formed by uniformly mixing basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25 mm.
By adopting the technical scheme, the aggregates are formed by uniformly mixing the basalt with different particle sizes, so that the aggregates in the asphalt mixture are favorably and better densely accumulated, the compactness in the asphalt mixture is improved, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are favorably improved, the compression strength, the high-temperature stability and the low-temperature crack resistance of the constructed asphalt road are better, the service life of the asphalt road is favorably prolonged, and the later maintenance cost of the asphalt road is favorably reduced.
The invention is further configured to: the aggregate is prepared from the following components in parts by weight: 3: 4, the basalt with the grain diameter of 1-5mm, the basalt with the grain diameter of 5-16mm and the basalt with the grain diameter of 16-25mm are evenly mixed.
By adopting the technical scheme, the aggregate in the asphalt mixture is favorably and better densely accumulated by controlling the dosage proportion of the basalt with different grain diameters in the asphalt mixture, so that the compactness of the asphalt mixture is higher, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are favorably improved, the compression strength, the high-temperature stability and the low-temperature crack resistance of the constructed asphalt road are better, the service life of the constructed asphalt road is favorably prolonged, and the later maintenance cost of the asphalt road is reduced.
The invention is further configured to: the particle size of the mineral powder is 1-3 mm.
By adopting the technical scheme, the mineral powder can be better matched with basalt with different particle sizes by controlling the particle size of the mineral powder, the mineral powder can be better filled in pores in the asphalt mixture, the compactness of the asphalt mixture is higher, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture can be better enhanced, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the constructed asphalt road are better, the service life of the asphalt road can be better prolonged, and the later maintenance cost of the asphalt road is reduced.
The invention is further configured to: the asphalt mixture also comprises the following components in parts by mass:
1-1.5 parts of rosuvastatin sodium.
By adopting the technical scheme, through adding rosuvastatin sodium, the synergistic cooperation of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthaline and p-dodecylbenzene sulfonyl chloride is favorably promoted, so that the bonding force of new asphalt and new and old aggregates is favorably enhanced, the new and old aggregates are more easily and uniformly dispersed in an asphalt mixture, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are favorably improved, the compression strength, the high-temperature stability and the low-temperature crack resistance of an asphalt road obtained by construction are higher, the service life of the asphalt road is favorably prolonged, and the later maintenance cost of the asphalt road is reduced.
The invention is further configured to: the asphalt mixture also comprises the following components in parts by mass:
0.01-0.03 portion of 4-pyrrole-1-yl-aniline.
By adopting the technical scheme, 4-pyrrole-1-yl-aniline and rosuvastatin sodium are added to be matched with each other in a synergistic manner, so that the synergistic cooperation of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthacene and p-dodecylbenzene sulfonyl chloride is favorably promoted, the bonding force of asphalt and old and new aggregates is favorably improved, the density of the asphalt mixture is more uniform and the compactness is higher, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are favorably improved, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt road obtained by construction are better, the driving requirement of the asphalt road is favorably met, and the service life of the asphalt road is prolonged, the maintenance cost of the asphalt road in the later period is reduced, and the economic benefit is improved.
The invention is further configured to: the asphalt mixture also comprises the following components in parts by mass:
0.1-0.3 part of 4-methoxybenzaldehyde dimethyl acetal.
By adopting the technical scheme, the 4-methoxybenzaldehyde dimethylacetal is added, so that the compatibility of new asphalt and new and old aggregates is favorably and better improved, the new asphalt is more easily and firmly bonded with the new and old aggregates, the new and old aggregates are favorably and more uniformly dispersed in the asphalt mixture, the new and old aggregates are favorably and better densely piled, the compactness of the asphalt mixture is favorably improved, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are better, the compressive strength, the high-temperature stability and the low-temperature crack resistance of an asphalt road are favorably and better improved, the breakage phenomenon of the asphalt road is more difficultly caused, and the later maintenance cost of the asphalt road is favorably reduced.
Meanwhile, the 4-methoxybenzaldehyde dimethyl acetal is also beneficial to inhibiting the unpleasant smell emitted by the asphalt mixture, thereby being beneficial to reducing the influence of the smell emitted by the asphalt mixture in the mixing and construction processes on the health of constructors.
The invention is further configured to: the asphalt mixture also comprises the following components in parts by mass:
1-2 parts of hollow glass beads.
Adopt above-mentioned technical scheme, through adding hollow glass microballon, hollow glass microballon has high intensity, thereby be favorable to improving bituminous mixture's compressive strength better, and simultaneously, hollow glass microballon has certain mobility, and hollow glass microballon's inside is noble gas, thereby be favorable to buffering bituminous mixture's temperature variation, make bituminous mixture be difficult to the fracture when receiving shock cooling or suddenly hot, thereby be favorable to improving bituminous mixture's high temperature stability and low temperature crack resistance better, make the bituminous road of construction gained be difficult to appear the condition of fracture or breakage in the use in later stage more, be favorable to reducing bituminous road's later maintenance cost.
The invention is further configured to: the asphalt mixture also comprises the following components in parts by mass:
0.5-1 part of pineapple leaf fiber.
By adopting the technical scheme, the pineapple leaf fibers are added, so that the toughness of the asphalt mixture is favorably enhanced, the asphalt mixture is more difficult to crack, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are favorably improved, the asphalt road obtained by construction is more difficult to crack under severe conditions, the later maintenance cost of the asphalt road is favorably reduced, and the economic benefit is higher.
In conclusion, the invention has the following beneficial effects:
1. the waste asphalt material in the broken asphalt pavement layer is mixed into each component of the new asphalt mixture again to form the new asphalt mixture and the new asphalt mixture is used for paving the pavement again, so that the utilization rate of the waste asphalt mixture is improved, the pollution of the waste asphalt mixture to the environment is reduced, and the energy conservation and environmental protection are facilitated;
2. by adopting the mutual synergistic cooperation of the N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, the iron naphthaline acrylate and the p-dodecylbenzene sulfonyl chloride, the new and old aggregates are favorably and uniformly dispersed in the asphalt mixture, so that the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are better, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt road obtained by construction are better, the service life of the asphalt road is favorably prolonged, the later maintenance cost of the asphalt road is reduced, and the economic benefit is favorably improved;
3. by controlling the particle sizes of the aggregates and the mineral powder in the asphalt mixture and the dosage proportion of the aggregates with different particle sizes, the aggregates and the mineral powder in the asphalt mixture are more densely accumulated, the compactness of the asphalt mixture is higher, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are better improved, and the asphalt road obtained by construction is less prone to cracking in the later use process.
Drawings
FIG. 1 is a process flow diagram of the repair method of asphalt road according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the following examples, the asphalt was 70# asphalt from Credit chemical Co., Ltd, of Foshan.
In the following examples, basalt from Zhangpu county Hongshen Stone Co., Ltd was used as the aggregate.
In the following examples, limestone ore powder with a goods number wz-01 of a bright refractory warp member in a Gune City district is used as the ore powder.
In the following examples, N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine was N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine available from Wuhan Debye technologies, Inc. under the trade name DB-079458.
In the following examples, iron naphthanoate from Langtson Biotech Co.Ltd, Zhongshan was used.
In the following examples, p-dodecylbenzenesulfonyl chloride from Chibei cat Vol biomedical Co., Ltd was used.
In the following examples, rosuvastatin sodium is rosuvastatin sodium available from Siemagaining Biotech Co., Ltd, under the product number 4470.
In the following examples, 4-pyrrol-1-yl-aniline, commercially available from Nanjing Conman chemical industry Co., Ltd, as No. CM4025057, was used as 4-pyrrol-1-yl-aniline.
In the following examples, 4-methoxybenzaldehyde dimethyl acetal having a product number ym-r002 from Yuanmu Biotechnology Co., Ltd in Shanghai was used as the 4-methoxybenzaldehyde dimethyl acetal.
In the following examples, hollow glass beads having a particle size of 100 mesh were selected from those of X-Y-024 produced by mineral powder processing plants from Shishou county, Yongyuan.
In the following examples, pineapple leaf fibers of Chongqing Dongyi grass cloth Co., Ltd are used.
Example 1
A maintenance method of an asphalt road comprises the following steps:
s1, crushing roads, which comprises the following steps:
and the pavement crushing hammer is adopted to crush the damaged asphalt pavement layer.
S2, preparing an asphalt mixture, which comprises the following steps:
and (4) cleaning the crushed waste asphalt mixture out of the road, and cleaning dust on the surface of the road.
Taking out the crushed waste asphalt mixture, and further crushing the waste asphalt mixture into waste asphalt mixture with the particle size of 5-25mm for later use.
Adding 70kg of further crushed waste asphalt mixture into a 200L stirring kettle, raising the temperature to 160 ℃, stirring at the rotating speed of 200r/min, adding 0.05kg of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, 1kg of iron naphthacene and 3kg of dodecyl benzene sulfonyl chloride while stirring, and uniformly stirring and mixing to form an intermediate mixture; and adding 10kg of asphalt, 80kg of aggregate and 9kg of mineral powder into the intermediate mixture while stirring, and uniformly stirring and mixing to obtain the asphalt mixture.
S3, paving the pavement, specifically as follows:
and (3) uniformly paving the asphalt mixture prepared in the step (S2) on the road again by adopting a paving machine, and compacting the road surface by adopting a road roller to form an asphalt pavement layer, so that the maintenance of the asphalt road is completed.
The aggregate in the embodiment is basalt with the grain size of 25-30mm, and the grain size of the mineral powder is 0.1-1 mm.
Example 2
The difference from example 1 is that:
step S2 is added with waste asphalt mixture 65kg, N-methyl-1- [1- (2-thienyl methyl) -4-piperidyl ] methylamine 0.07kg, iron naphthanoate 2kg, p-dodecyl benzene sulfonyl chloride 5kg, asphalt 11kg, aggregate 75kg and mineral powder 10 kg.
Example 3
The difference from example 1 is that:
67.5kg of waste asphalt mixture, 0.1kg of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, 1.5kg of iron naphthanoate, 4kg of p-dodecylbenzene sulfonyl chloride, 12kg of asphalt, 77.5kg of aggregate and 8kg of mineral powder are added in the step S2.
Example 4
The difference from example 1 is that:
69kg of waste asphalt mixture, 0.08kg of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, 1.6kg of iron naphthanoate, 4.5kg of p-dodecylbenzene sulfonyl chloride, 11.5kg of asphalt, 76kg of aggregate and 9.5kg of mineral powder are added in the step S2.
Example 5
The difference from example 4 is that: the aggregate is basalt with the grain size of 20-25 mm.
Example 6
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass of 4: 2: 4, basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25mm are evenly mixed.
Example 7
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass: 4: 4, basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25mm are evenly mixed.
Example 8
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass of 3: 4: 3, the basalt with the grain diameter of 1-5mm, the basalt with the grain diameter of 5-16mm and the basalt with the grain diameter of 16-25mm are evenly mixed.
Example 9
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass of 3: 2: 5, basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25mm are evenly mixed.
Example 10
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass: 3: 5, basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25mm are evenly mixed.
Example 11
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass of 4: 3: 3, the basalt with the grain diameter of 1-5mm, the basalt with the grain diameter of 5-16mm and the basalt with the grain diameter of 16-25mm are evenly mixed.
Example 12
The difference from example 4 is that: the aggregate is prepared from the following components in percentage by mass of 3: 3: 4, basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25mm are evenly mixed.
Example 13
The difference from example 12 is that: the particle size of the mineral powder is 3-5 mm.
Example 14
The difference from example 12 is that: the particle size of the mineral powder is 1-3 mm.
Example 15
The difference from example 14 is that: in step S2, 1kg of rosuvastatin sodium is added while N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine, iron naphthanoate and p-dodecylbenzenesulfonyl chloride are added.
Example 16
The difference from example 14 is that: in step S2, 1.5kg of rosuvastatin sodium is added while N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthanoate and p-dodecylbenzene sulfonyl chloride are added.
Example 17
The difference from example 14 is that: in step S2, 0.01kg of 4-pyrrol-1-yl-aniline was added to the mixture while adding N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine, iron naphthanoate, and p-dodecylbenzenesulfonyl chloride.
Example 18
The difference from example 14 is that: in step S2, 0.03kg of 4-pyrrol-1-yl-aniline was added to the mixture while adding N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine, iron naphthanoate, and p-dodecylbenzenesulfonyl chloride.
Example 19
The difference from example 14 is that: in step S2, while adding N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthanoate, and p-dodecylbenzenesulfonyl chloride, 1kg of rosuvastatin sodium and 0.03kg of 4-pyrrol-1-yl-aniline were added.
Example 20
The difference from example 14 is that: in step S2, 1.5kg of rosuvastatin sodium and 0.01kg of 4-pyrrol-1-yl-aniline are added while N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthanoate and p-dodecylbenzene sulfonyl chloride are added.
Example 21
The difference from example 14 is that: in step S2, 1.3kg of rosuvastatin sodium and 0.02kg of 4-pyrrol-1-yl-aniline are added while N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthanoate and p-dodecylbenzenesulfonyl chloride are added.
Example 22
The difference from example 14 is that: in step S2, 0.1kg of 4-methoxybenzaldehyde dimethyl acetal was added while adding N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine, iron naphthanoate, and p-dodecylbenzenesulfonyl chloride.
Example 23
The difference from example 14 is that: in step S2, 0.3kg of 4-methoxybenzaldehyde dimethyl acetal was added while adding N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine, iron naphthanoate, and p-dodecylbenzenesulfonyl chloride.
Example 24
The difference from example 14 is that: in step S2, 1kg of hollow glass beads are added while asphalt, aggregate and mineral powder are added.
Example 25
The difference from example 14 is that: in step S2, 2kg of hollow glass beads are added while asphalt, aggregate and mineral powder are added.
Example 26
The difference from example 14 is that: in step S2, 0.5kg of pineapple leaf fiber is added while asphalt, aggregate and mineral powder are added.
Example 27
The difference from example 14 is that: in step S2, 1kg of pineapple leaf fiber is added while adding asphalt, aggregate and mineral powder.
Example 28
The difference from example 21 is that: in step S2, 0.1kg of 4-methoxybenzaldehyde dimethyl acetal is added while rosuvastatin sodium and 4-pyrrol-1-yl-aniline are added, and 2kg of hollow glass beads and 0.5kg of pineapple leaf fibers are added while asphalt, aggregate and mineral powder are added.
Example 29
The difference from example 21 is that: in step S2, 0.3kg of 4-methoxybenzaldehyde dimethyl acetal is added while rosuvastatin sodium and 4-pyrrol-1-yl-aniline are added, and 1kg of hollow glass beads and 1kg of pineapple leaf fibers are added while asphalt, aggregate and mineral powder are added.
Example 30
The difference from example 21 is that: in step S2, 0.2kg of 4-methoxybenzaldehyde dimethyl acetal is added while rosuvastatin sodium and 4-pyrrol-1-yl-aniline are added, and 1.5kg of hollow glass beads and 0.75kg of pineapple leaf fibers are added while asphalt, aggregate and mineral powder are added.
Example 31
The difference from example 21 is that: in step S2, 0.2kg of 4-methoxybenzaldehyde dimethyl acetal is added while rosuvastatin sodium and 4-pyrrol-1-yl-aniline are added, and 1.8kg of hollow glass beads and 0.6kg of pineapple leaf fibers are added while asphalt, aggregate and mineral powder are added.
Comparative example 1
The difference from example 4 is that: in step S2, N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine, iron naphthanoate and p-dodecylbenzenesulfonyl chloride were not added.
Comparative example 2
The difference from example 4 is that: in step S2, N-methyl-1- [1- (2-thienylmethyl) -4-piperidinyl ] methylamine was not added.
Comparative example 3
The difference from example 4 is that: in step S2, iron naphthanoate is not added.
Comparative example 4
The difference from example 4 is that: in step S2, p-dodecylbenzenesulfonyl chloride was not added.
Experiment 1
The compressive strength (MPa) of the asphalt pavement layers constructed in the above examples and comparative examples was measured according to ASTM D1074-2017, Standard test method for compressive Strength of asphalt mixture.
Experiment 2
The dynamic stability (sub/mm) of the asphalt pavement layers constructed in the above examples and comparative examples is detected according to T0719-2011 asphalt mixture rut test in JTG E20-2011 < test procedure for road engineering asphalt and asphalt mixture > release manual >; the greater the dynamic stability, the higher the high temperature stability of the road.
Experiment 3
The flexural stiffness modulus (MPa) of the asphalt pavement layers constructed by the above examples and comparative examples is detected according to T0715-2011 asphalt mixture bending test in JTG E20-2011 < test procedure for road engineering asphalt and asphalt mixture > release manual >; the greater the flexural stiffness modulus, the better the low temperature crack resistance of the road.
The data from the above experiments are shown in Table 1.
TABLE 1
According to the data comparison of the embodiments 4 to 12 in the table 1, the aggregate in the asphalt mixture is more densely accumulated by controlling the particle size of the aggregate in the asphalt mixture and controlling the dosage proportion of the basalt with different particle sizes, so that the compactness of the asphalt mixture is higher, the compression strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are better improved, the compression strength, the high-temperature stability and the low-temperature crack resistance of the constructed asphalt road are stronger, the service life of the asphalt road is further prolonged, and the later maintenance cost of the asphalt road is reduced.
According to the comparison of the data of the embodiments 12 to 14 in the table 1, the particle size of the mineral powder is controlled, so that the mineral powder and the basalt can be better matched with each other to fill the pores in the asphalt mixture, the compactness of the asphalt mixture is improved, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are better improved, the asphalt road obtained by construction is less prone to cracking in the later use process, and the later maintenance cost of the asphalt road is reduced.
As can be seen from a comparison of the data in examples 14-21 of Table 1, the addition of rosuvastatin sodium alone or 4-pyrrol-1-yl-aniline alone is beneficial to improve the compressive strength, high temperature stability and low temperature crack resistance of the asphalt mixture to some extent; and only when rosuvastatin sodium and 4-pyrrole-1-yl-aniline are cooperatively matched, the compressive strength, high-temperature stability and low-temperature crack resistance of the asphalt mixture can be better improved, so that the compressive strength, high-temperature stability and low-temperature crack resistance of the constructed asphalt road are better, the service life of the asphalt road is further prolonged, the later maintenance cost of the asphalt road is reduced, and the economic benefit is improved.
According to comparison of data of the embodiment 14 and the embodiments 22 to 27 in the table 1, the addition of the 4-methoxybenzaldehyde dimethylacetal, the hollow glass beads or the pineapple leaf fibers is beneficial to improving the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture to a certain extent, so that the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt road are enhanced, the asphalt road is less prone to cracking in the later use period, and the later maintenance cost of the asphalt road is reduced.
According to comparison of data of the embodiment 21 and the embodiments 28 to 31 in table 1, the 4-methoxybenzaldehyde dimethyl acetal, the hollow glass beads and the pineapple leaf fibers are added simultaneously and cooperatively, so that the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt mixture are improved better, the compressive strength, the high-temperature stability and the low-temperature crack resistance of the asphalt road are improved better, the service life of the asphalt road obtained by construction is longer, and the later maintenance cost of the asphalt road is reduced.
According to the comparison of the data of example 4 and comparative examples 1-4 in table 1, only when N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine, iron naphthaline and p-dodecylbenzene sulfonyl chloride are synergistically matched with each other, the compatibility of asphalt and new and old aggregates can be better improved, the bonding force of asphalt and aggregates is stronger, and the compressive strength, high-temperature stability and low-temperature crack resistance of an asphalt mixture are better improved, so that the compressive strength, high-temperature stability and low-temperature crack resistance of an asphalt road are better, the service life of the asphalt road is better prolonged, the later maintenance cost of the asphalt road is reduced, and the economic benefit is better improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A maintenance method of an asphalt road is characterized by comprising the following steps: the method comprises the following steps:
s1, crushing the road: crushing the damaged asphalt pavement layer;
s2, preparing an asphalt mixture: cleaning the crushed asphalt out of the road, and uniformly mixing the waste asphalt mixture in the crushed asphalt pavement layer with the components of the asphalt mixture to obtain an asphalt mixture;
s3, paving the pavement: re-paving the asphalt mixture prepared in the step S2 on the road and compacting to form an asphalt pavement layer, namely completing the maintenance of the asphalt road;
the asphalt mixture comprises the following components in parts by mass:
10-12 parts of asphalt;
65-70 parts of waste asphalt mixture;
75-80 parts of aggregate;
8-10 parts of mineral powder;
0.05-0.1 part of N-methyl-1- [1- (2-thienylmethyl) -4-piperidyl ] methylamine;
1-2 parts of iron naphthacene;
3-5 parts of p-dodecyl benzene sulfonyl chloride.
2. The method for repairing an asphalt road according to claim 1, wherein: the aggregate is basalt with the grain size not greater than 25 mm.
3. The method for repairing an asphalt road according to claim 2, wherein: the aggregate is formed by uniformly mixing basalt with the grain diameter of 1-5mm, basalt with the grain diameter of 5-16mm and basalt with the grain diameter of 16-25 mm.
4. A method for repairing an asphalt road according to claim 3, wherein: the aggregate is prepared from the following components in parts by weight: 3: 4, the basalt with the grain diameter of 1-5mm, the basalt with the grain diameter of 5-16mm and the basalt with the grain diameter of 16-25mm are evenly mixed.
5. The method for repairing an asphalt road according to claim 4, wherein: the particle size of the mineral powder is 1-3 mm.
6. The method for repairing an asphalt road according to any one of claims 1 to 5, wherein: the asphalt mixture also comprises the following components in parts by mass:
1-1.5 parts of rosuvastatin sodium.
7. The method for repairing an asphalt road according to claim 6, wherein: the asphalt mixture also comprises the following components in parts by mass:
0.01-0.03 portion of 4-pyrrole-1-yl-aniline.
8. The method for repairing an asphalt road according to any one of claims 1 to 5, wherein: the asphalt mixture also comprises the following components in parts by mass:
0.1-0.3 part of 4-methoxybenzaldehyde dimethyl acetal.
9. The method for repairing an asphalt road according to any one of claims 1 to 5, wherein: the asphalt mixture also comprises the following components in parts by mass:
1-2 parts of hollow glass beads.
10. The method for repairing an asphalt road according to any one of claims 1 to 5, wherein: the asphalt mixture also comprises the following components in parts by mass:
0.5-1 part of pineapple leaf fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231711.9A CN110790535B (en) | 2019-12-05 | 2019-12-05 | Maintenance method of asphalt road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231711.9A CN110790535B (en) | 2019-12-05 | 2019-12-05 | Maintenance method of asphalt road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110790535A true CN110790535A (en) | 2020-02-14 |
| CN110790535B CN110790535B (en) | 2021-07-06 |
Family
ID=69447566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911231711.9A Active CN110790535B (en) | 2019-12-05 | 2019-12-05 | Maintenance method of asphalt road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110790535B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430881A (en) * | 2021-01-14 | 2021-09-24 | 绍兴文理学院 | Regenerated roadbed laying method based on solid waste full utilization |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2301996A1 (en) * | 2008-03-24 | 2011-03-30 | Obschestvo s ogranichennoy Otvetstvennostju "Unikom" | Modifying composition for asplalt-concrete mixtures |
| CN103113618A (en) * | 2012-12-25 | 2013-05-22 | 江苏博特新材料有限公司 | Method for preparing cold-recycling asphalt emulsification additive |
| CN109267452A (en) * | 2018-09-17 | 2019-01-25 | 湖南鑫长胜材料科技有限公司 | Mixture and its preparation method and application based on road surface reclaimed materials cold renewal |
| CN109704653A (en) * | 2019-03-08 | 2019-05-03 | 广东中煌建筑工程有限公司 | A kind of frost-cracking-preventing road surface |
| CN109721286A (en) * | 2019-01-19 | 2019-05-07 | 江苏盛达飞建筑材料有限公司 | A kind of heat-resisting Recycled Asphalt Pavement and preparation method thereof |
| CN110528349A (en) * | 2019-08-28 | 2019-12-03 | 广东万标建设工程有限公司 | Asphalt roads restorative procedure |
-
2019
- 2019-12-05 CN CN201911231711.9A patent/CN110790535B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2301996A1 (en) * | 2008-03-24 | 2011-03-30 | Obschestvo s ogranichennoy Otvetstvennostju "Unikom" | Modifying composition for asplalt-concrete mixtures |
| CN103113618A (en) * | 2012-12-25 | 2013-05-22 | 江苏博特新材料有限公司 | Method for preparing cold-recycling asphalt emulsification additive |
| CN109267452A (en) * | 2018-09-17 | 2019-01-25 | 湖南鑫长胜材料科技有限公司 | Mixture and its preparation method and application based on road surface reclaimed materials cold renewal |
| CN109721286A (en) * | 2019-01-19 | 2019-05-07 | 江苏盛达飞建筑材料有限公司 | A kind of heat-resisting Recycled Asphalt Pavement and preparation method thereof |
| CN109704653A (en) * | 2019-03-08 | 2019-05-03 | 广东中煌建筑工程有限公司 | A kind of frost-cracking-preventing road surface |
| CN110528349A (en) * | 2019-08-28 | 2019-12-03 | 广东万标建设工程有限公司 | Asphalt roads restorative procedure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430881A (en) * | 2021-01-14 | 2021-09-24 | 绍兴文理学院 | Regenerated roadbed laying method based on solid waste full utilization |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110790535B (en) | 2021-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pacheco-Torres et al. | Fatigue performance of waste rubber concrete for rigid road pavements | |
| CN101768914B (en) | Pavement structure for structure transfer and performance recovery of semi-rigid base asphalt pavement | |
| CN102557555A (en) | Mineral fiber-modified flexible rubber concrete | |
| CN101624274A (en) | Method for preparing asphalt pavement material by adopting waste concrete | |
| KR102146820B1 (en) | Asphalt Coat Compositions Comprising of SIS and Reserving Bearing Power and Stabilization Processing Methods of Cutting Surface Using Thereof | |
| JP2019528390A (en) | Permeable pavement and cured carbon fiber composition and related methods | |
| CN106904870A (en) | A kind of natural fiber reinforced epoxy base concrete and preparation method and application | |
| CN102040360A (en) | Tailing sand brick with high weather resistance and preparation method thereof | |
| CN110845193A (en) | High-strength steel slag pervious concrete and indoor forming process thereof | |
| CN114014605A (en) | Self-leveling repair mortar powder, self-leveling repair mortar, preparation method and construction process thereof | |
| CN110790535B (en) | Maintenance method of asphalt road | |
| Zhai et al. | Investigation on the influence of modified waste rubber powder on the abrasion resistance of concrete | |
| CN105272008A (en) | Environment-friendly multifunctional brick and preparation method thereof | |
| CN104671720B (en) | Use road filling of building waste and gangue manufacture and preparation method thereof | |
| CN107059615B (en) | Durable cement concrete bridge deck pavement structure | |
| CN110372262A (en) | A method of precast curb is prepared using bituminous pavement top milling material regeneration | |
| CN117645451A (en) | Fiber-toughened anti-cracking cement stabilized macadam and preparation method and construction method thereof | |
| CN115450086B (en) | Old cement concrete pavement reconstruction structure suitable for non-extra-heavy traffic grade and design method | |
| CN111304994A (en) | Semi-flexible functional composite structure recovery layer applied to asphalt pavement maintenance | |
| KR100960874B1 (en) | Soil road paving method | |
| CN107793071A (en) | A kind of cement concrete bridge deck is with ultra-thin durability antiskid wearing layer asphalt | |
| Sarkar et al. | Laboratory evaluation of asphalt concrete prepared with over burnt brick aggregate treated by zycosoil | |
| JP2022529352A (en) | Permeable pavement system including permeable pavement composition and related methods | |
| CN112575641A (en) | High-modulus anti-rutting asphalt pavement structure | |
| Pan et al. | Durability capacity change of rubber powder composite BRA modified asphalt mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |