CN105803885A - Rubber modified asphalt fiber chip seal and pavement method thereof - Google Patents

Rubber modified asphalt fiber chip seal and pavement method thereof Download PDF

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Publication number
CN105803885A
CN105803885A CN201610312363.8A CN201610312363A CN105803885A CN 105803885 A CN105803885 A CN 105803885A CN 201610312363 A CN201610312363 A CN 201610312363A CN 105803885 A CN105803885 A CN 105803885A
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China
Prior art keywords
modified asphalt
rubber modified
rubber
fiber
asphalt
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.)
Pending
Application number
CN201610312363.8A
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Chinese (zh)
Inventor
施曙东
李桥林
周旭
闫国杰
左文
许严
马利志
邱轶
邓国民
姚凯
徐韵淳
王腾飞
李军代
刘钢
黄安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI HUIPU ENGINEERING INSPECTION Co Ltd
SHANGHAI PUDONG LUQIAO ASPHALTUM MATERIAL CO Ltd
SHANGHAI PUDONG ROAD BRIDGE CONSTRUCTION CO Ltd
Original Assignee
SHANGHAI HUIPU ENGINEERING INSPECTION Co Ltd
SHANGHAI PUDONG LUQIAO ASPHALTUM MATERIAL CO Ltd
SHANGHAI PUDONG ROAD BRIDGE CONSTRUCTION CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI HUIPU ENGINEERING INSPECTION Co Ltd, SHANGHAI PUDONG LUQIAO ASPHALTUM MATERIAL CO Ltd, SHANGHAI PUDONG ROAD BRIDGE CONSTRUCTION CO Ltd filed Critical SHANGHAI HUIPU ENGINEERING INSPECTION Co Ltd
Priority to CN201610312363.8A priority Critical patent/CN105803885A/en
Publication of CN105803885A publication Critical patent/CN105803885A/en
Priority to PCT/CN2017/071316 priority patent/WO2017193629A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
    • 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
    • E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
    • E01C7/262—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with fibrous material, e.g. asbestos; with animal or vegetal admixtures, e.g. leather, cork
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • 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
    • E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
    • E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a rubber modified asphalt fiber chip seal and a pavement method thereof. The rubber modified asphalt fiber chip seal comprises rubber modified asphalt, aggregate and fibers, wherein the rubber modified asphalt is compound modified asphalt formed by doping rubber powder, styrene-butadiene-styrene triblock copolymer, a diatomite roasted product and an auxiliary agent into petroleum asphalt; the aggregate is basalt or diabase crushed stones with the grain diameter range of 4.75mm-9.5mm; the fibers are glass fibers or polyether fibers, and the average length is 10mm-30mm. Compared with an existing related technology, the rubber modified asphalt fiber chip seal is further strengthened by structure combination, so that the strength and toughness are greatly improved when being compared with the prior art; the generation and extension of reflection cracks can be effectively inhibited, and the service life and the service condition of a road surface structure are improved.

Description

Rubber modified asphalt fiber crushed stone sealing and method for paving thereof
The application is divisional application, the filing date of original application on June 30th, 2014, application number For " 201410306929.7 ", invention and created name is " the thin-layer bituminous coagulation of suppression reflection cracking in a pavement Soil structure and method for paving ".
Technical field
The present invention relates to road engineering technical field, particularly relate to a kind of rubber modified asphalt fiber broken Stone sealing and method for paving thereof.
Background technology
Bituminous paving is become mainly to have two schemes concrete pavement rebuilding at present: one is rubblization, will Cement concrete pavement be broken into surface less than 8 centimetres, bottom less than 40 centimetres combine closely, The concrete block of internal embedded squeezing, again firm after Paving Bituminous Concrete layer again, crushed stone technology without The problem of reflection crack.But rubble operation that the shortcoming of this method has been many, increases cost, and broken The noise brought during stone has a strong impact on surrounding enviroment, and beneath pipeline also can be destroyed simultaneously.Separately One is direct Paving Bituminous Concrete structure sheaf on cement pavement, and this method eliminates rubble Operation, simple to operate, do not interfere with surrounding enviroment, be the more method of current domestic use, but It is to produce reflection crack problem.The most more effectively the generation in inhibitory reflex crack, is this scheme Urgent need to solve the problem.
Both at home and abroad to the measure suppressing or slowing down Reflective Crack in Asphalt Overlays to produce still in test and spy During rope, the main method used at present has following several, such as: increases asphalt thickness, set Put rubble crack relief layer, arrange between asphalt overlay and Cement Concrete Pavement Slab geotextiles, GSZ, modified pitch asphalt felt, steel wire or modification (rubber) Colophonium stress absorbing membrane etc.. Owing to actual pavement crack producing cause is numerous, above scheme is only capable of the cracking resistance solved in a certain respect Property, therefore after engineer applied, the effect in inhibitory reflex crack does not highlight, and reflection crack is past Occur earlier toward than expection.This area can effectively be produced in inhibitory reflex crack in the urgent need to providing one The raw rubber modified asphalt fiber crushed stone sealing with extension.
Summary of the invention
The purpose of the present invention, it is simply that propose a kind of can the generation in inhibitory reflex crack and exhibition effectively Prolong, improve service life and the rubber modified asphalt fiber crushed stone sealing of duty status of pavement structure And method for paving.
The present invention solves above-mentioned technical problem, it is provided that a kind of rubber modified asphalt fiber rubble envelope Layer, by rubber modified asphalt, gathers materials and fiber is mixed.
Wherein, rubber powder, styrene-butadiene are filled during described rubber modified asphalt is asphalt -styrene triblock copolymer, kieselguhr roasting product and the composite modified asphalt of adjuvant.
Described gather materials for basalt that particle size range is 4.75mm～9.5mm or diabase gravel.
Described fiber is glass fibre or polyester fiber, and average length is 10mm～30mm.
It is further preferred that described asphalt is No. 90 A level asphalt, account for modified rubber drip Blue or green quality 72～80 parts；Described rubber powder is rubber grain after waste tire is pulverized, and fineness of the particles is 60 mesh～80 mesh, account for rubber modified asphalt quality 17～21 parts；Described styrene-butadiene-benzene Ethylene triblock copolymer is line style SBS, and molecular weight is 70000～200000, account for rubber modified asphalt quality 2～5 parts；The grain of described kieselguhr roasting product Footpath is 1000～1250 mesh, accounts for rubber modified asphalt quality 1～4 parts.
It is further preferred that described adjuvant includes: plasticizer and antioxidant.
It is further preferred that described plasticizer is physics plasticizer, fineness >=180,000 mesh, described increasing Mould agent and account for rubber modified asphalt quality 0～0.5 part.
It is further preferred that described antioxidant is hindered phenol anti-oxidants, fusing point be 110 DEG C～ 125 DEG C, fineness >=180,000 mesh, account for rubber modified asphalt quality 0～0.5 part.
The invention allows for the method for paving of a kind of rubber modified asphalt fiber crushed stone sealing, including Following steps:
Step 1 prepares rubber modified asphalt: use rubber powder embedding with s-B-S three Section copolymer should in No. 90 asphalt swelling 30min～90min, be subsequently adding kieselguhr roasting Burning product, shear 30min～60min by colloid mill, are eventually adding adjuvant and stir.
Step 2 road surface sealing is mated formation: uses and synchronizes fiber chip sealer, spread rubber modified asphalt, Spread quantity is 2kg/m2～3kg/m2, using and synchronize distribution vehicle spreading fiber, spread quantity is 90g/m2～140g/m2, immediately following using broken stone distributor, dispenses hot rubble, coverage rate 80%～ 90%, use rubber-tyred roller to roll 1～2 time after rubble spread.
In sum, rubber modified asphalt fiber crushed stone sealing of the present invention and method for paving thereof have as Lower beneficial effect:
1, rubber modified asphalt fiber crushed stone sealing of the present invention is particularly suited for suppressing reflection cracking in a pavement Thin-layer bituminous xoncrete structure in.The thin-layer bituminous concrete knot of described suppression reflection cracking in a pavement First structure by carrying out firm process to the cement plate on Old cement concrete, then first in phase The intersection of adjacent cement sheeting pastes Anticracking plaster, thus is entered in the space between every piece of adjacent boards Go to fill and consolidate, then by the rubber modified asphalt fiber crushed stone sealing of the present invention and overlay on it Extraordinary grating modified asphalt mixture surface layer forms the thin-layer bituminous concrete of suppression reflection cracking in a pavement Structure, it is ensured that asphalt overlay can undertake temperature contracting horizontal stress, scattering vehicles load hang down Normal stress, opposing cement sheeting buckling deformation under Vehicle Load.
2, by the application of rubber modified asphalt fiber crushed stone sealing of the present invention, by general pave-load layer 2 layers of paving structure, are further simplified as the asphalt mixture surfacing of monolayer.Fine by rubber modified asphalt Dimension crushed stone sealing undertakes horizontal stress and the strengthening interlaminar bonding of temperature contracting, by upper layer special type grating Mating formation of modified asphalt mixture surface layer, the vertical stress of scattering vehicles load, opposing cement sheeting Buckling deformation under Vehicle Load.This structural grouping reduces overlay thickness further.
3, the structural grouping of the present invention is relative to existing correlation technique, further enhances rubber and changes Property pitch fibers crushed stone sealing so that it is strength and toughness relatively prior art has a more substantial increase, energy The generation in enough inhibitory reflex cracks effectively and extension, improve service life and the military service of pavement structure Situation.
Detailed description of the invention
In specific implementation process, technical staff can enter according to the teachings of the present invention and actual needs Row is mated formation and is suppressed the thin-layer bituminous xoncrete structure of reflection cracking in a pavement, and the suppression road surface of the present invention is anti- The thin-layer bituminous xoncrete structure penetrating crack includes Old cement concrete from bottom to up, prevents Parting, rubber modified asphalt fiber crushed stone sealing and extraordinary grating modified asphalt mixture surface layer, institute State Anti-crack layer and include that some Anticracking plasters, described Anticracking plaster are pasted onto on described Old cement concrete Adjacent boards block intersection, described rubber modified asphalt fiber crushed stone sealing is dripped by modified rubber Blue or green, gather materials and fiber is mixed, cover on described Anti-crack layer and whole road surface, described special type Grating modified asphalt mixture surface layer by high-viscosity modified asphalt, gather materials, filler and fiber stabilizer It is mixed and made into asphaltum with high viscosity compound to make thinner and form, covers broken at described rubber modified asphalt fiber On stone sealing.Design parameter is as follows further:
The rubber modified asphalt of described rubber modified asphalt fiber crushed stone sealing is to mix in asphalt Add rubber powder, SBS, kieselguhr roasting product and adjuvant Composite modified asphalt；Gathering materials for particle size range of described rubber modified asphalt fiber crushed stone sealing is 4.75mm～the basalt of 9.5mm or diabase gravel；Described rubber modified asphalt fiber rubble The fiber of sealing is glass fibre or polyester fiber, and average length is 10mm-30mm.
Described asphalt is No. 90 A level asphalt, accounts for rubber modified asphalt quality 72～80 Part；Described rubber powder is rubber grain after waste tire is pulverized, and fineness of the particles is 60 mesh～80 mesh, Account for rubber modified asphalt quality 17～21 parts；Described s-B-S triblock copolymer Thing is line style SBS, molecular weight be 70000～ 200000, account for rubber modified asphalt quality 2～5 parts；The particle diameter of described kieselguhr roasting product is 1000～1250 mesh, account for rubber modified asphalt quality 1～4 parts；Described adjuvant includes: plasticizer And antioxidant.
Described plasticizer is physics plasticizer, fineness >=180,000 mesh, is mainly composed of zinc stearate, Described plasticizer accounts for rubber modified asphalt quality 0～0.5 part；Described antioxidant is that Hinered phenols resists Oxidant, fusing point is 110 DEG C～125 DEG C, fineness >=180,000 mesh, account for rubber modified asphalt quality 0～ 0.5 part.
Exemplary, the preparation method of described rubber modified asphalt is: rubber powder and styrene-fourth two Alkene-styrene triblock copolymer should in No. 90 asphalt swelling 30min～90min, then Add kieselguhr roasting product, shear 30min～60min by colloid mill, be eventually adding adjuvant stirring Uniformly.Implementation process is as follows: uses and synchronizes fiber chip sealer, spread rubber modified asphalt, spread Amount is 2kg/m2～3kg/m2, using and synchronize distribution vehicle spreading fiber, spread quantity is 90g/m2~ 140g/m2, immediately following using broken stone distributor, (rubble is through dedusting and 1% Colophonium to dispense hot rubble Premixing, during spread, temperature should be greater than 100 DEG C), coverage rate 80%～90%, use after rubble spread Rubber-tyred roller rolls 1～2 time.
The high-viscosity modified asphalt volume of described extraordinary grating modified asphalt mixture surface layer is described The 5.2%-6.4% of extraordinary grating modified asphalt mixture layer quality；Described extraordinary level allocation modifier drip Green grass or young crops includes that coarse aggregate and fine aggregate, described coarse aggregate are basalt or brightness at gathering materials of mixture surface course Greenstone, described fine aggregate is limestone or basalt or diabase；Described fiber stabilizer is polyester Fiber, average length is 5mm-6mm, and volume is described extraordinary grating modified asphalt mixture face The 0.2%～0.4% of layer quality；Described filler is levigate agstone.By the component of aforementioned proportion High-viscosity modified asphalt, gather materials, filler and fiber stabilizer are mixed and made into asphaltum with high viscosity mixing Expecting standby, its voidage is 2～4%.Time actually used, available pitch sprinkling car carries out layer paving, The thin layer that paves can form extraordinary grating modified asphalt mixture surface layer.
Reduce for avoiding the occurrence of skid resistance, easily the problems such as reflection crack phenomenon occur, the present embodiment The high viscosity that extraordinary grating modified asphalt mixture surface layer only uses nominal maximum particle diameter to be 13.2mm Bituminous concrete (thickness is 35～45mm).
Described extraordinary grating modified asphalt mixture surface layer grading limit is as follows:
Described high-viscosity modified asphalt is made up of No. 70 Colophoniumes and modifying agent, and described modifying agent accounts for high viscous The 6%～11% of degree modified pitch oeverall quality；Described modifying agent is s-B-S More than triblock copolymer, Petropols, aromatic naphtha, 1000 mesh levigate kieselguhr roasting product and The mixture of adjuvant；Described SBS content is that modifying agent is total The 50%～60% of amount；Described adjuvant includes: antitack agent, plasticizer and antioxidant.
The preparation method of described modifying agent is as follows: by the styrene of 50%～60% percentage by weight- Butadiene-styrene triblock copolymer (SBS), 12%～41% percentage by weight Petropols, The kieselguhr roasting product of 0%～26% percentage by weight, 0～3% the adjuvant of percentage by weight at a high speed Mix homogeneously in mixing plant, then be stirred mixing with the aromatic naphtha of 8%～37% percentage by weight Closing, by screw extruder extrusion, pelletizing, extrusion temperature controls at 120～200 DEG C, cooling After the most prepared.
When being embodied as, should by above-mentioned modifying agent with gather materials, fiber stabilizer is at 175 DEG C～185 DEG C Mix and stir more than 15 seconds, be subsequently adding No. 70 asphalt and filler, 175 DEG C～185 DEG C of conditions Under continue to mix and stir 40 seconds, extraordinary grating modified asphalt mixture can be formed.Transport to road on-the-spot, Use spreading machine to carry out pavement spread, use when 155 DEG C～160 DEG C steel roller high frequency low Width vibroroller cmpacting 2～3 times (roll back and forth and be calculated as 1 time), mixture temperature 80 DEG C～100 DEG C Time use pneumatic-tired rollers to roll 2 times, finally use the quiet stone roller of steel roller 1～2 times.
Described Anticracking plaster is SBS autohension Anticracking plaster, width 40-60cm, thickness 3-4mm, Its performance indications meet the requirement of " highway engineering geosynthetics testing regulations " (JTG E50). In the present embodiment, each raw-material ratio slightly can adjust according to actual raw-material situation.
The method for paving of the thin-layer bituminous xoncrete structure of the present embodiment suppression reflection cracking in a pavement, can Mat formation according to the following steps:
A, adjacent boards block intersection paste Anticracking plaster；
B, spread rubber modified asphalt, spread quantity is 2kg/m2～3kg/m2, synchronize to dispense fiber, Spreading amount is 90g/m2～140g/m2, dispense hot rubble, coverage rate 80%～90%, use wheel Tire road roller rolls 1～2 time；
C, the asphaltum with high viscosity compound of the last thin layer that paves again form extraordinary grating modified pitch mixing Charge level layer.
Exemplary, first cement sheeting can be carried out stabilization treatment before step a.
With above-mentioned be only the preferred embodiment of the present invention, it is noted that for the art For those of ordinary skill, under the premise without departing from the principles of the invention, it is also possible to make some changing Entering and retouch, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (6)

1. a rubber modified asphalt fiber crushed stone sealing, by rubber modified asphalt, gathers materials and fiber is mixed, It is characterized in that: described rubber modified asphalt is admixture rubber powder, styrene-butadiene in asphalt -styrene triblock copolymer, kieselguhr roasting product and the composite modified asphalt of adjuvant；
Described gather materials for basalt that particle size range is 4.75mm～9.5mm or diabase gravel；
Described fiber is glass fibre or polyester fiber, and average length is 10mm～30mm.
2. rubber modified asphalt fiber crushed stone sealing as claimed in claim 1, it is characterised in that: described oil Colophonium is No. 90 A level asphalt, accounts for rubber modified asphalt quality 72～80 parts；
Described rubber powder is rubber grain after waste tire is pulverized, and fineness of the particles is 60 mesh～80 mesh, accounts for rubber Glue modified pitch quality 17～21 parts；
Described SBS is line style s-B-S three Block copolymer, molecular weight is 70000～200000, accounts for rubber modified asphalt quality 2～5 parts；
The particle diameter of described kieselguhr roasting product is 1000～1250 mesh, accounts for rubber modified asphalt quality 1～4 Part.
3. rubber modified asphalt fiber crushed stone sealing as claimed in claim 1 or 2, it is characterised in that: described Adjuvant includes: plasticizer and antioxidant.
4. rubber modified asphalt fiber crushed stone sealing as claimed in claim 3, it is characterised in that: described plasticising Agent is physics plasticizer, fineness >=180,000 mesh, and described plasticizer accounts for rubber modified asphalt quality 0～0.5 Part.
5. rubber modified asphalt fiber crushed stone sealing as claimed in claim 3, it is characterised in that: described antioxygen Agent is hindered phenol anti-oxidants, and fusing point is 110 DEG C～125 DEG C, and fineness >=180,000 mesh account for rubber Glue modified pitch quality 0～0.5 part.
6. the method for paving of a rubber modified asphalt fiber crushed stone sealing, it is characterised in that comprise the steps:
Step 1 prepares rubber modified asphalt: use rubber powder with s-B-S three block altogether Polymers should in No. 90 asphalt swelling 30min～90min, be subsequently adding kieselguhr roasting product, Shear 30min～60min by colloid mill, be eventually adding adjuvant and stir；
Step 2 road surface sealing is mated formation: uses and synchronizes fiber chip sealer, spread rubber modified asphalt, spread quantity For 2kg/m2～3kg/m2, using and synchronize distribution vehicle spreading fiber, spread quantity is 90g/m2~ 140g/m2, immediately following using broken stone distributor, dispense hot rubble, coverage rate 80%～90%, rubble Rubber-tyred roller is used to roll 1～2 time after spread.
CN201610312363.8A 2014-06-30 2014-06-30 Rubber modified asphalt fiber chip seal and pavement method thereof Pending CN105803885A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610312363.8A CN105803885A (en) 2014-06-30 2014-06-30 Rubber modified asphalt fiber chip seal and pavement method thereof
PCT/CN2017/071316 WO2017193629A1 (en) 2014-06-30 2017-01-16 Special grading modified asphalt mixture surface layer and paving method therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410306929.7A CN104018410B (en) 2014-06-30 2014-06-30 Suppress thin-layer bituminous xoncrete structure and the method for paving of reflection cracking in a pavement
CN201610312363.8A CN105803885A (en) 2014-06-30 2014-06-30 Rubber modified asphalt fiber chip seal and pavement method thereof

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CN201610312360.4A Active CN105926399B (en) 2014-06-30 2014-06-30 Extraordinary grading modified asphalt mixture face layer and its method for paving
CN201610312330.3A Active CN105926405B (en) 2014-06-30 2014-06-30 Inhibit the method for paving of the thin-layer bituminous concrete structure of reflection cracking in a pavement
CN201610312139.9A Pending CN105926401A (en) 2014-06-30 2014-06-30 Thin layer asphalt concrete structure for inhibiting pavement reflection cracks and paving method
CN201410306929.7A Active CN104018410B (en) 2014-06-30 2014-06-30 Suppress thin-layer bituminous xoncrete structure and the method for paving of reflection cracking in a pavement
CN201610312363.8A Pending CN105803885A (en) 2014-06-30 2014-06-30 Rubber modified asphalt fiber chip seal and pavement method thereof

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CN201610312330.3A Active CN105926405B (en) 2014-06-30 2014-06-30 Inhibit the method for paving of the thin-layer bituminous concrete structure of reflection cracking in a pavement
CN201610312139.9A Pending CN105926401A (en) 2014-06-30 2014-06-30 Thin layer asphalt concrete structure for inhibiting pavement reflection cracks and paving method
CN201410306929.7A Active CN104018410B (en) 2014-06-30 2014-06-30 Suppress thin-layer bituminous xoncrete structure and the method for paving of reflection cracking in a pavement

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CN112374806A (en) * 2020-11-16 2021-02-19 中交建冀交高速公路投资发展有限公司 Glass fiber rubber modified asphalt mixture and preparation method thereof
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CN105908589A (en) * 2016-04-25 2016-08-31 江苏燕宁新材料科技发展有限公司 Fiber-broken stone synchronous-sealing pavement maintenance method
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CN107345870A (en) * 2017-06-12 2017-11-14 扬州大学 One kind evaluation rubber asphalt stress absorbing layer stress absorption ability specimen molding technique
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