CN102838322A - Easy-to-compact 50# asphalt durability anti-rutting mixture - Google Patents
Easy-to-compact 50# asphalt durability anti-rutting mixture Download PDFInfo
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- CN102838322A CN102838322A CN201210129990XA CN201210129990A CN102838322A CN 102838322 A CN102838322 A CN 102838322A CN 201210129990X A CN201210129990X A CN 201210129990XA CN 201210129990 A CN201210129990 A CN 201210129990A CN 102838322 A CN102838322 A CN 102838322A
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Abstract
The invention relates to easy-to-compact 50# asphalt durability anti-rutting mixture which comprises the following components in parts by weight: 100 parts of mineral aggregate, 5.3-5.9 parts of 50# pavement petroleum asphalt and 0.5-0.7 parts of anti-rutting additive, wherein the passing ratios of the mineral aggregate respectively are 50-70%, 40-60%, 25-38% and 5.4-7.7% when the mineral aggregate passes through French standard screen holes of which the apertures are 6.3mm, 4mm, 2mm and 0.063mm. The mixture disclosed by the invention has the advantages that the mixture is good in high-temperature performance, easy to compact, small in weak interface and good in wear ability, excellent anti-fatigue performance and durability; the stress and residual deformation generated by bituminous concrete under the action of vehicle load can be reduced when the mixture is applied to the pavement layer; and the ability of the pavement for resisting damages such as tracks is improved, and the service life and maintenance cycle of the pavement are prolonged.
Description
Technical field
The present invention relates to road surfacing material, relate in particular to a kind of anti-rut compound of No. 50 pitch weather resistance of easy compacting.
Background technology
Along with the maximization of the soaring fast and vehicle of the development of high-grade highway construction, automobile quantity, bituminous pavement is faced with severe tests.Soon promptly occurred early damage after many bituminous pavements build up, the most outstanding with the rut disease especially, it also has direct influence to traffic safety except influencing road-ability.In order to alleviate the rut disease; Improve the use properties of bituminous pavement, present increasing motorway and arterial highway adopt the SBS modifying asphalt to make agglutinate, but the SBS modifying asphalt exists segregation phenomenon always; Cause mixture performance to morph easily, influence construction quality.And conventional asphalt porosity is big, the compacting difficulty, and compaction in layers, interlayer is prone to produce weak interface.
Summary of the invention
The object of the present invention is to provide that a kind of high-temperature behavior is good, anti-fatigue performance is strong, good wear hardness and weather resistance are arranged and have certain compacted depth (be about the anti-rut compound of No. 50 pitch weather resistance of a kind of easy compacting of 6～17cm), specifically implement through following technical scheme:
Said asphalt comprises bi tumenf orr oad, anti-rutting additive and mineral aggregate No. 50; Said mineral aggregate mass parts is 100 parts, and then the mass parts of said petroleum pitch is that 5.3～5.9 parts, the mass parts of anti-rutting additive are 0.5～0.7 part; When said mineral aggregate passed through the normes Francaises sieve aperture in 6.3,4,2,0.063 millimeters apertures, corresponding respectively passing ratio was 50%～70%, 40%～60%, 25%～38%, 5.4%～7.7%.
The further design of said asphalt is that said mineral aggregate is made up of basalt aggregate and ls breeze, accounts for 94～95% and 5～6% of mineral aggregate total mass respectively.
The further design of said asphalt is that said basalt aggregate is divided into four components by aggregate size and gathers materials: first group, and 0～3mm; Second group, 3～5mm; The 3rd group, 5～10mm; The 4th group, 10～15mm; The per-cent that above-mentioned four component aggregate qualities account for the mineral aggregate total mass is followed successively by 30%～32%, 19%～22%, 13%～19%, 25%～31%.
The further design of said asphalt is, said anti-rutting additive comprises that PR, precious sharp anti-rut agent, road inspire confidence in 8000 and many Micks this (Domix).
The further design of said asphalt is that said mineral aggregate is basalt aggregate and ls breeze.
The further design of said asphalt is, abundance COEFFICIENT K＞3.4 of said asphalt.
The further design of said asphalt is, voidage VV=3.0%～4.0% of the gyratory compaction test specimen of said asphalt.
The further design of said asphalt is, 30000 pairing rut rate≤5% of French wheel tracking test operation of said asphalt.
The further design of said asphalt is that the dynamic stability of the rut of the China of said asphalt is greater than 6000 times/mm.
The further design of said asphalt is, the indirect tension stiffness modulus 10000MPa＜ITSM＜13500MPa of said asphalt in 15 ℃ of envrionment temperatures.
The present invention mainly adopts No. 50 pitches to improve the adhesion property of pitch in compound and improve mineral aggregate gradation; Make coarse aggregate form good skeleton structure; Improving the shearing resistance and the compressive property of compound, and improve the performance of asphalt mastic in compound, make the mineral aggregate surface have suitable asphalt membrane thickness etc. through adding an amount of breeze; Compound of the present invention thus has advantage is arranged as follows: high-temperature behavior is good; Be prone to compacting, weak interface is little, and good wear hardness, anti-fatigue performance and endurance quality are arranged; Be used in road deck, can reduce bituminous concrete produces under the vehicular load effect strain and residual set, improve damaged abilities such as road surface opposing rut, prolong service life of road surface and maintenance cycle.
Embodiment
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment 1
The present embodiment asphalt mainly is made up of No. 50 bi tumenf orr oads of the mineral aggregate of 100 mass parts, 5.6 mass parts and three kinds of components of PR.M anti-rutting additive of 0.65 mass parts; What petroleum pitch wherein adopted is No. 50 bi tumenf orr oads of China Petrochemical Industry; Mineral aggregate comprises basalt aggregate and ls breeze; The quality of basalt aggregate and ls breeze does not account for 95% and 5% of mineral aggregate quality, and basalt aggregate is pressed four kinds of particle size range and is divided into four groups: first group: particle diameter 0-3mm; Second group: particle diameter 3-5mm; The 3rd group: particle diameter 5-10mm; The 4th group: particle diameter 10-15mm.The per-cent that above-mentioned four groups of quality of gathering materials account for the mineral aggregate total mass is followed successively by: 32%, 19%, 19%, 25%, and the effective density ρ of total mineral aggregate
G=2.857g/cm
3, its grating such as table 1.
Table 1 grating table (method mark)
To put into mixing building (whipping device) by the mineral aggregate that above-mentioned grating configures; The PR.M anti-rutting additive that adds above-mentioned corresponding mass part again; Mix adds No. 50 bi tumenf orr oads of China Petrochemical Industry of above-mentioned corresponding mass part after 10～15 seconds, restir obtained asphalt in 40～45 seconds.
The above-mentioned asphalt that obtains is carried out the test of following correlated performance:
1) gyratory compaction test
Above-mentioned asphalt is processed the test specimen of Φ 150mm, and be rotated compaction test according to the technical requirements to the gyratory compaction test of asphalt in the French relevant criterion, test-results gathers like table 2.
Table 2 gyratory compaction test-results
2) French wheel tracking test
It is 180 * 100mm that asphalt is processed long cross section
2, height is the test specimen of 500mm four prism type, follow according to relevant criterion, when test specimen reaches 60 ℃ of test temperatures, when test specimen stands specified load cycle index 100; 300,1000,3000,10000; 30000, the running of arrestment, the rut degree of depth result who measures at 15 is as shown in table 3.
The French wheel tracking test result of table 3
3) ITSM of indirect tension stiffness modulus test
Asphalt to present embodiment carries out modulus test; Use earlier rotary compactor to make height and be the cylinder specimen about 12cm by relevant normes Francaises; Using corning machine from test specimen, to take out the core of diameter as Φ 100mm; Cut out the test test specimen that meets requirement for height 50mm with double-side saw then, this test test specimen is carried out 15 ℃ ITSM modulus test with the compound testing machine for mechanical properties.Test-results is as shown in table 4.
Table 4 ITSM test-results
Its 15 ℃ of ITSM modulus test MV 12127MPa satisfy the indirect tension stiffness modulus greater than the requirement of 10000MPa less than 13500MPa.
4) freeze thawing split test
Real freeze thawing split test is carried out in requirement according to pitch and asphalt testing regulation (JTJ052-2000), hits real number of times 50 times, and the result sees table 5, can find out the good water stability ability of having of present embodiment from test-results.
Table 5 freeze thawing split test result
5) girder pliability test
6 groups of-10 ℃ of low-temperature bending tests have been carried out according to the requirement of pitch and asphalt testing regulation (JTJ052-2000) T0715; MV is seen table 6 as a result; Breaking strain 2841.0 μ 8; Be higher than standard-required >=2500 μ ε, show the ability with good opposing low-temperature deformation of the compound of present embodiment.
Table 6 girder pliability test result
6) Chinese wheel tracking test
Requirement according to pitch and asphalt testing regulation (JTJ052-2000) T0719; At 60 ± 1 ℃; 0.7 carried out three groups of wheel tracking tests under the ± 0.05MPa condition; Test the result and see table 7 respectively, can find out from test-results shown in this table, the compound of present embodiment have a good high temperature stability performance.
Table 7 wheel tracking test dynamic stability
According to table 1, effective density ρ
GAnd the bitumen aggregate ratio TL that provides in the table 7
ExtCalculate the abundance COEFFICIENT K, the abundance COEFFICIENT K is passed through computes:
In the formula, TL
Ext-bitumen aggregate ratio the ratio of mineral aggregate weight (the pitch weight with), present embodiment TL
Ext=5.6%
100∑＝0.25G+2.3S+12s+135f
The G-particle diameter is greater than accounting for total percentage that gathers materials gathering materials of 6.3mm
The S-particle diameter at 0.25mm to gathering materials between the 6.3mm accounting for the percentage that always gathers materials,
The s-particle diameter at 0.063mm to gathering materials between the 0.25mm accounting for the percentage that always gathers materials,
The f-particle diameter is less than accounting for total percentage that gathers materials gathering materials of 0.063mm,
α-be intermediate parameters, α=2.65/ ρ
G
Can know G=100%-58.1% (6.3mm gather materials percent of pass)=41.9% from table 1; S=58.1% (6.3mm gather materials percent of pass)-9.7% (0.25mm gather materials percent of pass)=48.7%; S=9.4% (0.25mm percent of pass)-5.5% (0.063mm gather materials percent of pass)=3.9%, f=5.5%; Obtain abundance COEFFICIENT K=3.88＞3.4.The asphalt of building stones grating and corresponding asphalt content in the present embodiment asphalt being described and being formed can satisfy the requirement of required volume index and pavement performance index.
Embodiment 2
The present embodiment asphalt mainly is made up of No. 50 bi tumenf orr oads of the mineral aggregate of 100 mass parts, 5.9 mass parts and three kinds of components of precious sharp ZQ-1 anti-rut agent of 0.7 mass parts; What petroleum pitch wherein adopted is No. 50 bi tumenf orr oads of CNOOC; Mineral aggregate comprises basalt aggregate and ls breeze; The quality of basalt aggregate and ls breeze does not account for 94.5% and 5.5% of mineral aggregate quality, and basalt aggregate is pressed four kinds of particle size range and is divided into four groups: first group: particle diameter 0-3mm; Second group: particle diameter 3-5mm; The 3rd group: particle diameter 5-10mm; The 4th group:: particle diameter 10-15mm.The per-cent that above-mentioned four groups of quality of gathering materials account for the mineral aggregate total mass is followed successively by: 30%, 21%, 13%, 30.5%, and the effective density ρ of total mineral aggregate
G=2.804g/cm
3The formate gradation composition such as the table 1 of above-mentioned four kinds of mineral aggregates.
Table 1 grating table (method mark)
To put into mixing building (whipping device) by the mineral aggregate that above-mentioned grating configures; The precious sharp ZQ-1 anti-rutting additive that adds above-mentioned corresponding mass part again; Mix adds No. 50 bi tumenf orr oads of CNOOC of above-mentioned corresponding mass part after 10～15 seconds, restir obtained asphalt in 40～45 seconds.
The above-mentioned asphalt that obtains is carried out the test of following correlated performance:
1) gyratory compaction test
Above-mentioned asphalt is processed the test specimen of Φ 150mm, and be rotated compaction test according to the technical requirements to the gyratory compaction test of asphalt in the French relevant criterion, test-results gathers like table 2.
Table 2 gyratory compaction test-results
2) French wheel tracking test
It is 180 * 100mm that asphalt is processed long cross section
2, height is the test specimen of 500mm four prism type, according to relevant criterion, when test specimen reaches 60 ℃ of test temperatures, when test specimen stands specified load cycle index 100; 300,1000,3000,10000; 30000, the running of arrestment, the rut degree of depth result who measures at 15 is as shown in table 3.
The French wheel tracking test of table 3
3) the ITSM modulus test of indirect tension stiffness modulus
Asphalt to present embodiment carries out modulus test; Use earlier rotary compactor to make height and be the cylinder specimen about 12cm by relevant normes Francaises; Use corning machine from test specimen, to take out the core of diameter again as Φ 100mm; Cut out the test test specimen that meets requirement for height 50mm with double-side saw then, this test test specimen is carried out 15 ℃ of modulus tests of ITSM.Test-results is as shown in table 4.
Table 4ITSM modulus test result
Its 15 ℃ of ITSM modulus test MV 11059MPa satisfy the indirect tension stiffness modulus greater than the requirement of 10000MPa less than 13500MPa.
4) freeze thawing split test
Real freeze thawing split test is carried out in requirement according to pitch and asphalt testing regulation (JTJ052-2000), hits real number of times 50 times, and the result sees table 5, can find out the good water stability ability of having of present embodiment from test-results.
Table 5 freeze thawing split test result
5) girder pliability test
6 groups of-10 ℃ of low-temperature bending tests have been carried out according to the requirement of pitch and asphalt testing regulation (JTJ052-2000) T0715; MV is seen table 6 as a result; Breaking strain 2739.5.0 μ ε; Be higher than standard-required >=2500 μ ε, show the ability with good opposing low-temperature deformation of the compound of present embodiment.
Table 6 girder pliability test result
6) Chinese wheel tracking test
Requirement according to pitch and asphalt testing regulation (JTJ052-2000) T0719; At 60 ± 1 ℃; 0.7 carried out three groups of wheel tracking tests under the ± 0.05MPa condition; Test the result and see table 7 respectively, can find out from test-results shown in this table, the compound of present embodiment have a good high temperature stability performance.
Table 7 wheel tracking test dynamic stability
According to table 1, effective density ρ
GAnd the bitumen aggregate ratio TL that provides in the table 7
ExtCalculate the abundance COEFFICIENT K, the abundance COEFFICIENT K is passed through computes:
In the formula, TL
Ext-bitumen aggregate ratio the ratio of mineral aggregate weight (the pitch weight with), present embodiment TL
Ext=5.6%
100∑＝0.25G+2.3S+12s+135f
The G-particle diameter is greater than accounting for total percentage that gathers materials gathering materials of 6.3mm
The S-particle diameter at 0.25mm to gathering materials between the 6.3mm accounting for the percentage that always gathers materials,
The s-particle diameter at 0.063mm to gathering materials between the 0.25mm accounting for the percentage that always gathers materials,
The f-particle diameter is less than accounting for total percentage that gathers materials gathering materials of 0.063mm,
α-be intermediate parameters, α=2.65/ ρ
G
Can know G=100%-54.4%=45.6%, S=54.4%-11.0%=43.4%, s=11.0%-6.5%=4.5%, f=6.5% from table 1; Obtain abundance COEFFICIENT K=3.91＞3.4.The asphalt of building stones grating and corresponding asphalt content in the present embodiment asphalt being described and being formed can satisfy the requirement of required volume index and pavement performance index.
Embodiment 3
The present embodiment asphalt mainly is made up of No. 50 bi tumenf orr oads of the mineral aggregate of 100 mass parts, 5.3 mass parts and three kinds of components of PR.P anti-rutting additive of 0.50 mass parts; What petroleum pitch wherein adopted is No. 50 bi tumenf orr oads of PetroChina Company Limited.; Mineral aggregate comprises basalt aggregate and ls breeze; The quality of basalt aggregate and ls breeze does not account for 94% and 6% of mineral aggregate quality, and basalt aggregate is pressed four kinds of particle size range and is divided into four groups: first group: particle diameter 0-3mm; Second group: particle diameter 3-5mm; The 3rd group: particle diameter 5-10mm; The 4th group: particle diameter 10-15mm.The per-cent that above-mentioned four groups of quality of gathering materials account for the mineral aggregate total mass is followed successively by: 31%, 22%, 14%, 27%, and the effective density ρ of total mineral aggregate
G=2.872g/cm
3, its grating such as table 1.
Table 1 grating table (method mark)
To put into mixing building (whipping device) by the mineral aggregate that above-mentioned grating configures; The PR.P anti-rutting additive that adds above-mentioned corresponding mass part again; Mix adds No. 50 bi tumenf orr oads of PetroChina Company Limited. of above-mentioned corresponding mass part after 10～15 seconds, restir obtained asphalt in 40～45 seconds.
The above-mentioned asphalt that obtains is carried out the test of following correlated performance:
1) gyratory compaction test
Above-mentioned asphalt is processed the test specimen of Φ 150mm, and be rotated compaction test according to the technical requirements to the gyratory compaction test of asphalt in the French relevant criterion, test-results gathers like table 2.
Table 2 gyratory compaction test-results
2) French wheel tracking test
It is 180 * 100mm that asphalt is processed long cross section
2, height is the test specimen of 500mm four prism type, according to relevant criterion, when test specimen reaches 60 ℃ of test temperatures, when test specimen stands specified load cycle index 100; 300,1000,3000,10000; 30000, the running of arrestment, the rut degree of depth result who measures at 15 is as shown in table 3.
The French wheel tracking test of table 3
3) the ITSM modulus test of indirect tension stiffness modulus
Asphalt to present embodiment carries out modulus test; Use earlier rotary compactor to make height and be the cylinder specimen about 12cm by relevant normes Francaises; Use corning machine from test specimen, to take out the core of diameter again, cut out the test test specimen that meets requirement for height 50mm with double-side saw then as Φ 100mm.This test test specimen is carried out 15 ℃ of modulus tests of ITSM.Test-results is as shown in table 4.
Table 4ITSM modulus test result
Its 15 ℃ of ITSM modulus test MV 11283MPa satisfy the indirect tension stiffness modulus greater than the requirement of 10000MPa less than 13500MPa.
4) freeze thawing split test
Real freeze thawing split test is carried out in requirement according to pitch and asphalt testing regulation (JTJ052-2000), hits real number of times 50 times, and the result sees table 5, can find out the good water stability ability of having of present embodiment from test-results.
Table 5 freeze thawing split test result
5) girder pliability test
6 groups of-10 ℃ of low-temperature bending tests have been carried out according to the requirement of pitch and asphalt testing regulation (JTJ052-2000) T0715; MV is seen table 6 as a result; Breaking strain 2688.0 μ ε; Be higher than standard-required >=2500 μ ε, show the ability with good opposing low-temperature deformation of the compound of present embodiment.
Table 6 girder pliability test result
6) Chinese wheel tracking test
Requirement according to pitch and asphalt testing regulation (JTJ052-2000) T0719; At 60 ± 1 ℃; 0.7 carried out three groups of wheel tracking tests under the ± 0.05MPa condition; Test the result and see table 7 respectively, can find out from test-results shown in this table, the compound of present embodiment have a good high temperature stability performance.
Table 7 wheel tracking test dynamic stability
According to table 1, effective density ρ
GAnd the bitumen aggregate ratio TL that provides in the table 7
ExtCalculate the abundance COEFFICIENT K, the abundance COEFFICIENT K is passed through computes:
In the formula, TL
Ext-bitumen aggregate ratio the ratio of mineral aggregate weight (the pitch weight with), the % of unit, present embodiment TL
Ext=5.3
100∑＝0.25G+2.3S+12s+135f
The G-particle diameter is greater than accounting for total percentage that gathers materials, the % of unit gathering materials of 6.3mm
The S-particle diameter accounts for the percentage that always gathers materials at 0.25mm to gathering materials between the 6.3mm, the % of unit
The s-particle diameter accounts for the percentage that always gathers materials at 0.063mm to gathering materials between the 0.25mm, the % of unit
The f-particle diameter is less than accounting for total percentage that gathers materials, the % of unit gathering materials of 0.063mm
α-be intermediate parameters, its value equals 2.65/ ρ
G
Can know G%=100%-55.3%=44.7%, S%=55.3%-9.4%=45.9%, s%=9.4%-5.8%=3.6%, f%=5.8% from table 1; Obtain abundance COEFFICIENT K=3.67＞3.4.The asphalt of building stones grating and corresponding asphalt content in the present embodiment asphalt being described and being formed can satisfy the requirement of required volume index and pavement performance index.
Anti-rutting additive PR in the foregoing description, precious sharp anti-rut agent can be respectively with the road inspire confidence in 8000 and many Micks this substitute, its final asphalt that forms can reach desired pavement performance index request.
Claims (10)
1. an easy compacting No. 50 anti-rut compounds of pitch weather resistance is characterized in that comprising bi tumenf orr oad, anti-rutting additive and mineral aggregate No. 50; Said mineral aggregate mass parts is 100 parts, and then the mass parts of said petroleum pitch is that 5.3～5.9 parts, the mass parts of anti-rutting additive are 0.50～0.70 part; When said mineral aggregate passed through the normes Francaises sieve aperture in 6.3,4,2,0.063 millimeters apertures, corresponding passing ratio was respectively 50%～70%, and 40% ~ 60%, 25% ~ 38%, 5.4%～7.7%.
2. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance is characterized in that said mineral aggregate is made up of basalt aggregate and ls breeze, account for 94～95% and 5～6% of mineral aggregate total mass respectively.
3. a kind of easy compacting according to claim 2 No. 50 anti-rut compounds of pitch weather resistance is characterized in that said basalt aggregate is divided into four groups by aggregate size and gathers materials: first group, and 0～3mm; Second group, 3～5mm; The 3rd group, 5～10mm; The 4th group, 10～15mm, the per-cent that above-mentioned four groups of aggregate qualities account for the mineral aggregate total mass is followed successively by 30%～33%, 19% ~ 24%, 13% ~ 19%, 25%～31%.
4. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance is characterized in that compacted depth reaches 6 ~ 17cm.
5. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance, it is characterized in that said anti-rutting additive comprise PR, precious sharp anti-rut agent, road inspire confidence in 8000 and many Micks this.
6. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance is characterized in that the abundance COEFFICIENT K of said asphalt>3.4.
7. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance is characterized in that voidage VV=3.0%～4.0% of the gyratory compaction test specimen of said asphalt.
8. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance is characterized in that the French wheel tracking test of said asphalt moves 30000 pairing rut rate≤5%.
9. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance, the dynamic stability of Chinese wheel tracking test that it is characterized in that said asphalt is greater than 6000 times/mm.
10. a kind of easy compacting according to claim 1 No. 50 anti-rut compounds of pitch weather resistance is characterized in that said asphalt indirect tension stiffness modulus 10000MPa < ITSM < 13500MPa under 15 ℃ of envrionment temperatures.
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Cited By (7)
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| CN103588424A (en) * | 2013-11-18 | 2014-02-19 | 江苏省交通科学研究院股份有限公司 | Durable high-modulus asphalt mixture based on hard asphalt particles |
| CN103979896A (en) * | 2014-05-15 | 2014-08-13 | 中国石油大学(华东) | Highly anti-rutting emulsified asphalt mixture for treating rutting on asphalt pavement and preparation method of emulsified asphalt mixture |
| CN104073004A (en) * | 2014-06-25 | 2014-10-01 | 佛山高富中石油燃料沥青有限责任公司 | 50# asphalt and production method thereof |
| CN104761186A (en) * | 2015-02-02 | 2015-07-08 | 南京同安道路工程有限公司 | Flame retardant asphalt mixture with excellent endurance and preparation method thereof |
| CN108439860A (en) * | 2018-03-20 | 2018-08-24 | 和县祥龙沥青混凝土有限公司 | Modern high dense asphalt concrete formula and its production method |
| CN112573862A (en) * | 2020-12-14 | 2021-03-30 | 江苏一诺路桥工程检测有限公司 | Durable asphalt mixture based on high-modulus asphalt |
| CN113638282A (en) * | 2021-08-13 | 2021-11-12 | 江苏瑞文戴尔交通科技有限公司 | Structural layer for repairing deep track of asphalt pavement and construction method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588424A (en) * | 2013-11-18 | 2014-02-19 | 江苏省交通科学研究院股份有限公司 | Durable high-modulus asphalt mixture based on hard asphalt particles |
| CN103979896A (en) * | 2014-05-15 | 2014-08-13 | 中国石油大学(华东) | Highly anti-rutting emulsified asphalt mixture for treating rutting on asphalt pavement and preparation method of emulsified asphalt mixture |
| CN103979896B (en) * | 2014-05-15 | 2016-10-05 | 中国石油大学(华东) | A kind of high Rut resistance Emulsified Asphalt Mixture for asphalt pavement rut punishment and preparation method thereof |
| CN104073004A (en) * | 2014-06-25 | 2014-10-01 | 佛山高富中石油燃料沥青有限责任公司 | 50# asphalt and production method thereof |
| CN104073004B (en) * | 2014-06-25 | 2016-01-06 | 佛山高富中石油燃料沥青有限责任公司 | A kind of No. 50 pitches and production method thereof |
| CN104761186A (en) * | 2015-02-02 | 2015-07-08 | 南京同安道路工程有限公司 | Flame retardant asphalt mixture with excellent endurance and preparation method thereof |
| CN108439860A (en) * | 2018-03-20 | 2018-08-24 | 和县祥龙沥青混凝土有限公司 | Modern high dense asphalt concrete formula and its production method |
| CN112573862A (en) * | 2020-12-14 | 2021-03-30 | 江苏一诺路桥工程检测有限公司 | Durable asphalt mixture based on high-modulus asphalt |
| CN113638282A (en) * | 2021-08-13 | 2021-11-12 | 江苏瑞文戴尔交通科技有限公司 | Structural layer for repairing deep track of asphalt pavement and construction method |
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