CN108947335A - A kind of super viscous noise reduction asphalt and super viscous noise reduction asphalt essence cover - Google Patents

A kind of super viscous noise reduction asphalt and super viscous noise reduction asphalt essence cover Download PDF

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Publication number
CN108947335A
CN108947335A CN201810982784.0A CN201810982784A CN108947335A CN 108947335 A CN108947335 A CN 108947335A CN 201810982784 A CN201810982784 A CN 201810982784A CN 108947335 A CN108947335 A CN 108947335A
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CN
China
Prior art keywords
noise reduction
diabase
aggregate
super viscous
asphalt
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Pending
Application number
CN201810982784.0A
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Chinese (zh)
Inventor
胡迟春
林伟杰
何馥琼
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Guangzhou Pavement Doctor Transportation Technology Co Ltd
South China University of Technology SCUT
Original Assignee
Guangzhou Pavement Doctor Transportation Technology Co Ltd
South China University of Technology SCUT
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Publication date
Application filed by Guangzhou Pavement Doctor Transportation Technology Co Ltd, South China University of Technology SCUT filed Critical Guangzhou Pavement Doctor Transportation Technology Co Ltd
Priority to CN201810982784.0A priority Critical patent/CN108947335A/en
Publication of CN108947335A publication Critical patent/CN108947335A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/26Bituminous materials, e.g. tar, pitch
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses a kind of super viscous noise reduction asphalts, including following components: high viscoelastic modified pitch and Mineral Aggregate;The mass ratio of the high viscoelastic modified pitch and Mineral Aggregate is (6.8~7.6): 100;The Mineral Aggregate includes limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate, the limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate mass ratio be (3~5): (17~19): (23~25): (53~55).Invention additionally provides a kind of super viscous noise reduction asphalt essence cover.The essence cover quick construction, conveniently, high degree of automation;Tight bond is able to achieve with former pave-load layer.The essence cover is wear-resisting, and cracking resistance, antiskid and anti-acoustic capability are prominent.

Description

A kind of super viscous noise reduction asphalt and super viscous noise reduction asphalt essence cover
Technical field
The invention belongs to bituminous pavement preventive maintenance engineering field, it is related to a kind of super viscous noise reduction asphalt and super viscous Noise reduction asphalt essence cover.
Technical background
As the speed of China's new highway tends towards stability, highway maintenance work is put in very important position. Along with the continuous improvement of road quality classification, the maintenance work of road pavement proposes new, higher requirement.Accelerate China road The research of face maintenance new technology, it has been mentioned that coming in schedule.Preventive maintenance is daily as a kind of delay overhaul time, reduction Maintenance and the measure of overhaul cost, are gradually received by people.
Road surface can gradually lose its service ability under the influence of traffic loading and climatic factor, when being open to traffic using one section Between after, the roughness or construction depth of road surfaces will decay, so that the antiskid performance on road surface reduces rapidly, directly jeopardize automobile Traffic safety, influence the service performance of road.Simultaneously as vehicles number increases sharply, so that traffic noise becomes The main noise pollution source in city.In recent years, the preventive maintenance with antiskid, decrease of noise functions becomes research heat Point.Hot thin overlay is a kind of traditional preventive maintenance method used very early, it can be effectively prevented quality and decline Road surface continue to deteriorate, improve surface evenness, restore road surfaces sliding resistance, correct the profile on road surface, road pavement also has Certain reinforcing effect.
In recent years, the wider hot thin overlay of application mainly has heat to mix compact type asphalt mixture AC overlay, pitch Ma Hoof fat crushed stones binder SMA, OGFC Open grade friction course and rubber-asphalt mixture cover.Wherein, it is mixed to mix compact type asphalt for heat The ability for closing material AC overlay resistance earlier period damage and high temperature track is quite weak, and surface is relatively smooth, easily makes under high speed traveling Automobile occurs to float sliding phenomenon, endangers traffic safety big;Asphalt-mastic-broken stone binder SMA has good high temperature Rut resistance Ability and low temperature non-deformability, but its cost is often higher;OGFC Open grade friction course possesses very big voidage to reach It is also positive because in this, durability and water stability are poor to draining, the purpose of design of noise reduction;Rubber-asphalt mixture cover is applied Every control temperature requirement is higher than general asphalt in work, this also brings high energy consumption, not environmentally the problem of.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of super viscous noise reduction asphalt and super viscous noise reduction pitch mixing Expect that smart cover, the super viscous noise reduction asphalt essence cover provided by the invention by super viscous noise reduction asphalt preparation are wear-resisting, With cracking resistance outstanding, antiskid and anti-acoustic capability.
The present invention provides a kind of super viscous noise reduction asphalts, including following components:
High viscoelastic modified pitch and Mineral Aggregate;The mass ratio of the high viscoelastic modified pitch and Mineral Aggregate is (6.8~7.6): 100;
The Mineral Aggregate includes limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate, The limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate mass ratio be (3~5): (17~ 19): (23~25): (53~55).
Preferably, the diabase fine aggregate partial size is 0mm~3mm, the partial size of the diabase coarse aggregate be 3mm~ 5mm, the partial size of the diabase coarse aggregate are 5mm~7mm.
Preferably, the limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate mass ratio For 4:18:24:54.
The present invention also provides a kind of super viscous noise reduction asphalt essence cover, the super viscous noise reduction as described in above-mentioned technical proposal Asphalt is completed to pave in dedicated paver vehicle traveling process after construction, obtains using roller-compaction.
Preferably, the super viscous noise reduction asphalt essence cover with a thickness of 1.0~2.0cm.
Super viscous noise reduction asphalt essence cover quick construction provided by the invention, conveniently, high degree of automation.With tradition Cover technology is compared, and the essence cover and former pave-load layer are able to achieve tight bond, and paving thickness is thinner, convenient for compacting, and has Biggish macrostructure depth.The essence cover is wear-resisting, and cracking resistance, antiskid and anti-acoustic capability are prominent.Super viscous noise reduction provided by the invention Asphalt essence cover cannot be only used for the preventive maintenance of bituminous pavement, it may also be used for cement pavement, cement bridge floor support Nurse makees.The results showed that super viscous noise reduction asphalt essence cover provided by the invention pave made of Noise Reduction Pavement row Vehicle noise compares the low 5-8dB of prevailing roadway.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of super viscous noise reduction asphalt essence cover prepared by the present invention.
In figure: 1- original road surface, 2- emulsified asphalt, the super viscous noise reduction asphalt essence cover of 3-.
Specific embodiment
The present invention is described further with specific example with reference to the accompanying drawing.
A kind of super viscous noise reduction asphalt, including following components:
High viscoelastic modified pitch and Mineral Aggregate;
The mass ratio of the high viscoelastic modified pitch and Mineral Aggregate is (6.8~7.6): 100;Preferably 7.2:100.
Super viscous noise reduction asphalt provided by the invention includes high viscoelastic modified pitch.The present invention changes the high viscoelastic The source of property pitch does not have special limitation, using commercial goods well known to those skilled in the art.In the present invention, institute The technical indicator for stating high viscoelastic modified pitch is shown in Table 1:
The technical indicator of the high viscoelastic modified pitch of table 1
TFOT (or RTFOT) residue afterwards
Super viscous noise reduction asphalt provided by the invention includes Mineral Aggregate.In the present invention, the mineral mixing Material include limestone mineral powder, partial size be 0mm~3mm diabase fine aggregate, partial size be 3mm~5mm diabase coarse aggregate and Partial size is the diabase coarse aggregate of 5mm~7mm;The limestone mineral powder, diabase fine aggregate, the partial size that partial size is 0mm~3mm The mass ratio for the diabase coarse aggregate that diabase coarse aggregate and partial size for 3mm~5mm are 5mm~7mm is preferably (3~5): (17~19): (23~25): (53~55), more preferably 4:18:24:54.
In the present invention, the Mineral Aggregate includes diabase coarse aggregate.The technical indicator of the diabase coarse aggregate It is shown in Table 2:
The technical indicator of 2 diabase coarse aggregate of table
In the present invention, the Mineral Aggregate includes diabase fine aggregate, the technical indicator of the diabase fine aggregate It is shown in Table 3:
The technical indicator of 3 diabase fine aggregate of table
The present invention does not have special limitation to the source of the diabase fine aggregate and coarse aggregate, using those skilled in the art Commercial goods known to member.In a specific embodiment of the present invention, the diabase fine aggregate and coarse aggregate derive from Riverhead.
In the present invention, the Mineral Aggregate includes limestone mineral powder;The technical indicator of the limestone mineral powder is shown in Table 4 It is shown:
The technical indicator of 4 limestone mineral powder of table
The present invention does not have special limitation to the source of the limestone mineral powder, using city well known to those skilled in the art Sell commodity.In a specific embodiment of the present invention, limestone mineral powder purchase is in Guangzhou.
In the present invention, the private-use class combo of the Mineral Aggregate is at being shown in Table 5:
The private-use class of 5 Mineral Aggregate of table is matched
The present invention also provides a kind of super viscous noise reduction asphalt essence cover, the super viscous noise reduction as described in above-mentioned technical proposal Asphalt is completed to pave in dedicated paver vehicle traveling process after construction, obtains using roller-compaction.The present invention is preferred Old road Disease Processing, graticule milling are carried out before paving, and carry out road cleaning flushing.In the present invention, the super viscous noise reduction Synchronous sprinkling emulsified asphalt when bituminous mixture laying.In the present invention, the emulsified asphalt is preferably that polymer modification height is viscous Emulsified asphalt sticking layer oil;The spray width and fountain height of the emulsified asphalt adjust at any time according to pavement behavior.The present invention is to institute The source for stating emulsified asphalt does not have special limitation, using commercial goods well known to those skilled in the art.In the present invention In, the technical indicator of the emulsified asphalt is shown in Table 6:
The technical indicator of 6 emulsified asphalt of table
In the present invention, the super viscous noise reduction asphalt essence cover thickness is preferably 1.0~2.0cm.
After completion paves, the Noise Reduction Pavement for being covered with super viscous noise reduction asphalt essence cover is obtained, structural schematic diagram is such as Shown in Fig. 1;Wherein, 1 is former road surface, and 2 be emulsified asphalt, and 3 be super viscous noise reduction asphalt essence cover.
Super viscous noise reduction asphalt essence cover quick construction provided by the invention, conveniently, high degree of automation.With tradition Cover technology is compared, and the essence cover and former pave-load layer are able to achieve tight bond, and paving thickness is thinner, convenient for compacting, and has Biggish macrostructure depth.The essence cover is wear-resisting, and cracking resistance, antiskid and anti-acoustic capability are prominent.Super viscous noise reduction provided by the invention Asphalt essence cover cannot be only used for the preventive maintenance of bituminous pavement, it may also be used for cement pavement, cement bridge floor support Nurse makees.The results showed that super viscous noise reduction asphalt essence cover provided by the invention pave made of Noise Reduction Pavement row Vehicle noise compares the low 5-8dB of prevailing roadway.
Embodiment 1
A kind of super viscous noise reduction asphalt, the component including following mass fraction:
4 parts of limestone mineral powder;
Partial size is 18 parts of diabase fine aggregate of 0mm~3mm;
Partial size is 24 parts of diabase coarse aggregate of 3mm~5mm;
Partial size is 54 parts of diabase coarse aggregate of 5mm~7mm;
7.2 parts of high viscoelastic modified pitch;
Wherein, gradation is matched using the private-use class of Mineral Aggregate shown in table 4, and Mineral Aggregate sieve test the results are shown in Table 7 It is shown:
7 Mineral Aggregate sieve test result of table
By high viscoelastic modified pitch, limestone mineral powder, partial size be 0mm~3mm diabase fine aggregate, partial size be 3mm~ The diabase coarse aggregate that the diabase coarse aggregate and partial size of 5mm is 5mm~7mm mixes, and obtains super viscous noise reduction asphalt;
Old road Disease Processing, graticule milling are carried out before paving, and carry out road cleaning flushing.Super viscous noise reduction pitch is mixed Synchronous sprinkling emulsified asphalt when material paves is closed, the Noise Reduction Pavement for being covered with super viscous noise reduction asphalt essence cover is obtained.The present invention Embodiment 1 prepare super viscous noise reduction asphalt essence cover with a thickness of 1.9cm.
The present invention is tested for the property super viscous noise reduction asphalt and its smart cover, and test result is shown in Table 8:
The performance test results of the super viscous noise reduction asphalt of 8 embodiment of the present invention 1 of table preparation and its smart cover
The present invention is using multi-functional sound level meter to prevailing roadway and the noise reduction for being covered with super viscous noise reduction asphalt essence cover Road surface carries out driving noise test.It makes an uproar respectively to prevailing roadway and Noise Reduction Pavement under the same conditions in wagon flow, period Sound detection, to compare the noise reduction effect of super viscous noise reduction asphalt essence cover.It makes an uproar firstly, measuring 4 groups in the fixed position of car Sound data, every group of testing time are 7 seconds.Then, surface-tire noise data is measured in close rear side wheel fixed position, Equally 4 groups of data of measurement, every group of testing time are 7 seconds.Test result is as shown in table 9:
The driving noise test result (unit dB) of 9 prevailing roadway of table and Noise Reduction Pavement
It drives a vehicle after noise test result can be seen that the complete super viscous noise reduction asphalt essence cover of making from table 9, in the car The driving noise level tested with different location outside vehicle is respectively less than the result of prevailing roadway under same test condition;It may indicate that drop Road surface make an uproar with certain noise reduction effect.
As seen from the above embodiment, super viscous noise reduction asphalt essence cover quick construction provided by the invention, conveniently, certainly Dynamicization degree is high.Compared with conventional mask surface technology, the essence cover and former pave-load layer are able to achieve tight bond, and paving thickness is more It is thin, convenient for compacting, and there is biggish macrostructure depth.The essence cover is wear-resisting, and cracking resistance, antiskid and anti-acoustic capability are prominent.This The super viscous noise reduction asphalt essence cover that invention provides cannot be only used for the preventive maintenance of bituminous pavement, it may also be used for cement Road surface, cement bridge floor maintenance work.The results showed that super viscous noise reduction asphalt essence cover provided by the invention paves Made of Noise Reduction Pavement driving noise compare the low 5-8dB of prevailing roadway.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.

Claims (5)

1. a kind of super viscous noise reduction asphalt, which is characterized in that including following components:
High viscoelastic modified pitch and Mineral Aggregate;The mass ratio of the high viscoelastic modified pitch and Mineral Aggregate be (6.8~ 7.6):100;
The Mineral Aggregate includes limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate, institute The mass ratio for stating limestone mineral powder, diabase fine aggregate, diabase coarse aggregate and diabase coarse aggregate is (3~5): (17~ 19): (23~25): (53~55).
2. super viscous noise reduction asphalt according to claim 1, which is characterized in that the diabase fine aggregate partial size is 0mm~3mm, the partial size of the diabase coarse aggregate are 3mm~5mm, and the partial size of the diabase coarse aggregate is 5mm~7mm.
3. super viscous noise reduction asphalt according to claim 2, which is characterized in that the limestone mineral powder, diabase The mass ratio of fine aggregate, diabase coarse aggregate and diabase coarse aggregate is 4:18:24:54.
4. a kind of super viscous noise reduction asphalt essence cover, is prepared by method comprising the following steps:
Super viscous noise reduction asphalt described in claims 1 to 3 any one is completed into booth in dedicated paver vehicle traveling process After paving construction, using roller-compaction, super viscous noise reduction asphalt essence cover is obtained.
5. super viscous noise reduction asphalt essence cover according to claim 4, which is characterized in that described
Super viscous noise reduction asphalt essence cover with a thickness of 1.0~2.0cm.
CN201810982784.0A 2018-08-27 2018-08-27 A kind of super viscous noise reduction asphalt and super viscous noise reduction asphalt essence cover Pending CN108947335A (en)

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CN201810982784.0A CN108947335A (en) 2018-08-27 2018-08-27 A kind of super viscous noise reduction asphalt and super viscous noise reduction asphalt essence cover

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112661443A (en) * 2021-01-15 2021-04-16 广东华路交通科技有限公司 High-performance economical asphalt mixture and construction method thereof
CN114892474A (en) * 2022-06-22 2022-08-12 广东长大道路养护有限公司 Construction method of noise-reducing environment-friendly thin-layer asphalt pavement
CN115353328A (en) * 2022-07-29 2022-11-18 华南理工大学 Electromagnetic induction enhanced nano-modified high-self-healing-performance asphalt mixture and preparation method and application thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112661443A (en) * 2021-01-15 2021-04-16 广东华路交通科技有限公司 High-performance economical asphalt mixture and construction method thereof
CN114892474A (en) * 2022-06-22 2022-08-12 广东长大道路养护有限公司 Construction method of noise-reducing environment-friendly thin-layer asphalt pavement
CN115353328A (en) * 2022-07-29 2022-11-18 华南理工大学 Electromagnetic induction enhanced nano-modified high-self-healing-performance asphalt mixture and preparation method and application thereof

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