CN110205895A - A kind of green low-carbon environment-friendly type road structure using regrown material - Google Patents
A kind of green low-carbon environment-friendly type road structure using regrown material Download PDFInfo
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- CN110205895A CN110205895A CN201910315409.5A CN201910315409A CN110205895A CN 110205895 A CN110205895 A CN 110205895A CN 201910315409 A CN201910315409 A CN 201910315409A CN 110205895 A CN110205895 A CN 110205895A
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- 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
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
- E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
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- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention discloses a kind of green low-carbon environment-friendly type road structure using regrown material in column, including the roadbed set gradually from bottom to top and road surface, roadbed includes the embankment and roadbed set gradually from the bottom to top, embankment is made of urban architecture castoff regenerative mixture, and roadbed is made of urban architecture castoff regenerative graded mixture；Road surface includes the bed course set gradually from bottom to top, underlayment, base, cutting optimal, middle surface layer and upper layer, and bed course is made of building castoff regeneration graded aggregate.The present invention not only can guarantee the needs of prevailing traffic development but also solve the problems, such as environmental problem and builds to foundation engineering destruction exploitation natural resources that urban development is left.
Description
Technical field
The present invention relates to field of road, more particularly to are recycled using urban architecture waste and old asphalt mixture
Regenerated green low-carbon environment-friendly type road structure.
Background technique
As Urbanization in China is accelerated, extensive reconstruction of the old city town is actively pushed forward, and a large amount of waste and old buildings are removed,
China produces about 3,500,000,000 tons of building waste per year, and city tears down and build rubbish and accounts for 43%, and about 1,500,000,000 tons.But construction refuse resource rate is not
How foot 5%, far below the 70%-98% of developed countries and regions, dispose building castoff and have become each big city face in China
One of problem faced.
Meanwhile highway in China construction is also grown rapidly, however the energy consumption of highway construction is the development of extensive style
Mode, it is this to be difficult to continue using environmental disruption as the development of cost although realizing the rapid growth of highway mileage.According to not
It counts completely, bituminous pavement form accounts for about 80%~90% in China Higher grade highway, and the early stage high-grade highway of operation starts
It is repaired the phase into big or middle successively, maintenance project cumulative year after year is rebuild in highway maintenance maintenance.The network of highways in China is every year on average at present
2.2 hundred million tons of old asphalt pavement dead meal, if these can come into operation with regard to bituminous pavement dead meal, Ze highway will be generated
In process of construction, every annual can about 44,700,000,000 RMB of saving construction cost.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of greens using regrown material
Low-carbon environment-friendly road structure not only can guarantee the needs of prevailing traffic development but also solve the environmental problem that urban development is left
The problem of destroying exploitation natural resources with builds to foundation engineering.
To achieve the above object, a kind of the technical solution adopted by the present invention are as follows: green low-carbon environment-friendly using regrown material
Type road structure, including the roadbed set gradually from bottom to top and road surface, roadbed include the embankment that sets gradually from the bottom to top and
Roadbed, embankment are made of urban architecture castoff regenerative mixture, and roadbed is by urban architecture castoff regenerative graded mixture system
At；Road surface includes the bed course set gradually from bottom to top, underlayment, base, cutting optimal, middle surface layer and upper layer, and bed course is by building
Castoff regenerative graded aggregate is built to be made；Underlayment and base by add 0%~50% urban architecture castoff regenerative aggregate
The cement stabilizing inorganic binder of composition is made of the Cold Recycled Mixture with Emulsified Asphalt that old asphalt mixture forms, below
The Cold Recycled Mixture with Emulsified Asphalt system that layer is made of Warm-Mix Bitumen Mixture or 90%~100% old asphalt mixture of volume
At the heat regeneration asphalt mixture system that middle surface layer is made of Warm-Mix Bitumen Mixture or volume 0%-40% old asphalt mixture
At upper layer is made of the warm-mixing rubber-asphalt mixture of volume 0%-30% rubber powder.
The urban architecture castoff regenerative mixture that the embankment uses includes brick, mortar and concrete, maximum grain
Diameter is less than or equal to 150mm.
The urban architecture castoff regenerative graded mixture that the roadbed uses includes brick particle, brick granule content
Less than or equal to 30%, urban architecture castoff regenerative graded mixture maximum particle diameter is less than or equal to 60mm, and wherein partial size is
The granule content of 40~60mm is 30~60%, and the granule content that partial size is 5~40mm is 20~30%, and partial size is 0~5mm
Granule content be 0~10%, the nonuniformity coefficient of urban architecture castoff regenerative graded mixture is greater than or equal to 5.
The urban architecture castoff regenerative graded mixture technical indicator that the roadbed uses is as shown in table 1；The roadbed
The urban architecture castoff regenerative mixture that the urban architecture castoff regenerative graded mixture and embankment of use use, is filled out
It is as shown in table 2 to expect that minimum strength and maximum particle diameter require；The embankment and the control of roadbed compaction quality require as shown in table 3:
Table 1
Table 2
Table 3
| Subregion | Porosity/% | Differential settlement/mm |
| Roadbed | ≤14 | ≤3.0 |
| Embankment | ≤16 | ≤5.0 |
The building castoff regeneration graded aggregate that the bed course uses includes brick particle, mortar particle and concrete
Grain, brick granule content are less than or equal to 10%, and mortar granule content is less than or equal to 10%, and concrete particle content is greater than
Or it is equal to 80%, building castoff regenerates the particle size range of graded aggregate for 5~31.5mm, before the bed course and underlayment
Equipped with water-proof tack coat, water-proof tack coat is made of rubber modified asphalt.
The water that the underlayment and base are made of the urban architecture castoff regenerative aggregate for adding 0%~50% respectively
Mud stable inorganic binder is made, and cement stabilizing inorganic binder includes urban architecture castoff regenerative aggregate and binder, city
City's building castoff recycled aggregate includes brick particle, mortar particle and concrete particle, and brick granule content is to be less than or wait
In 10%, mortar granule content is less than or equal to 10%, and concrete particle content is more than or equal to 80%；Binder is
Ordinary portland cement P.O42.5 or mixture for flyash and ordinary cement, and the mixing of flyash and ordinary cement
The content of flyash is 5~10% in object；In underlayment the content of binder it is lower than the content of binder in base 0.5~
1.0%；Stress absorbing layer is equipped between the base and cutting optimal, stress absorbing layer is by rubber-SBS modified asphalt binders
It is made, rubber-SBS modified asphalt binders include rubber powder, and the content of rubber powder is 30%, and the partial size of rubber powder is greater than 40
The technical indicator of mesh, rubber-SBS modified asphalt binders is as shown in table 4:
Table 4
The Cold Recycled Mixture with Emulsified Asphalt system that the underlayment and base are formed by adding 100% old asphalt mixture
At the partial size of Cold Recycled Mixture with Emulsified Asphalt is 0~30mm, and sealing is equipped between base and cutting optimal.
The cutting optimal is dripped by the emulsification that Warm-Mix Bitumen Mixture or 90%~100% old asphalt mixture of volume form
Green cold regeneration mix is made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, pitch is that 70# matrix drips
Blueness, gradation be ATB-25 AC-25, warm-mixing agent be Evotherm warm-mixing agent or CCNYJ-1 warm-mixing agent；Volume 90%~100%
The Cold Recycled Mixture with Emulsified Asphalt of old asphalt mixture composition includes bituminous cements, bituminous cements be slow breaking sun from
Sub- emulsified asphalt, gradation are middle grain formula.
The middle surface layer is mixed by the heat regeneration asphalt that Warm-Mix Bitumen Mixture or 35% old asphalt mixture of volume form
Material is made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, pitch is shell 70# matrix pitch, and gradation is
AC-20；The heat regeneration asphalt mixture of 35% old asphalt mixture of volume composition includes bituminous cements, and bituminous cements is
70# matrix pitch, gradation AC-20.
The upper layer is made of the warm-mixing rubber-asphalt mixture of 30% rubber powder of volume, 30% rubber powder of volume
Warm-mixing rubber-asphalt mixture includes bituminous cements and warm-mixing agent, and bituminous cements is rubber-SBS modified pitch, warm-mixing agent
For Evotherm warm-mixing agent, gradation AC-16/SMA-16/AC-13/SMA-13, wherein SMA-13 SMA-16 be interruption grade
Match.
The waste and scraps such as building castoff, old asphalt mixture are used for road engineering as resource utilization by the present invention
Effective way, can well solve " garbage-surrounded city " phenomenon, save a large amount of mines, land resource, protect environment.The present invention
The road structure of proposition can meet each standard highway extra heavy, under the conditions of heavy traffic load, reduce and open natural stone
It adopts, has recycled a large amount of waste asphalt mixing material, save natural resources, preserve the ecological environment, good economic benefit
And social effect.
The present invention substitutes conventional clay material railway embankment using urban architecture castoff regenerative mixture, using building
Castoff regenerative graded mixture substitution cement soil material fills roadbed, and old material utilization rate has reached 100%, solved not to the utmost
The problem of urban building waste can not be handled also reduces the destruction to farmland resource, and specific Economic and Efficiency Analysis is as follows:
By taking expressway construction as an example, according to roadbed filling height 6m, width of subgrade 60m, every kilometer can efficiently use and build
Build 360,000 m of castoff regenerative material3, avoid farmland from exploiting 108 mu (calculating according to farmland soil property mining depth 5m), reduce city
City's building waste takes up an area 35 mu (piling up height 15m accounting safely according to building waste), saves 50 tons of standard coal, reduces CO2Row
Put 138.45 tons.It can be seen that filling road embankment using urban architecture castoff regenerative material, roadbed structure can discharge
Valuable land resource saves a large amount of sandstone material, reduces sandstone material and exploits the significant impact caused by environment, and builds
Castoff regenerative material is built compared with conventional clay, cement soil material, has intensity height, stability good, roadbed, roadbed tool
The features such as standby good endurance quality, construction technology is convenient, does not influence the duration of a project vulnerable to weather.
Laying material using emulsified asphalt regenerating mixture laying road underlayment, base and cutting optimal, with traditional road
Material is compared, and old material utilization rate reaches 90% or more, the natural resources such as road surface cold recycling technology reproducible utilization pitch and building stones,
Exploitation reducig young oil, building stones reduce project cost, energy conservation and environmental protection；It shortens the construction period, mitigates influence of the construction to traffic；And energy
The original geometry in road surface is kept, Pavement Condition etc. is improved.Investigation through Bureau of Public Road shows asphalt road
It is more than 50% that face regeneration, which can save fee of material, and road surface cost reduces about 25%, and pitch saves about 50%.
Traditional " cement stabilized macadam ", " two-ash broken stones " are replaced using " cement stabilizing building castoff recycled aggregate "
As road subbase course, base and bed course, a large amount of refuse collection expenses and processing cost are saved；Reduce to natural soft-clay
Exploitation, save a large amount of natural resources, protect ecological environment, save local mineral resources.
When use " rubber-SBS modified asphalt mixture " replaces traditional " modified asphalt mixture " as the upper of road
When surface layer, rubber-SBS modified asphalt concrete high temperature deformation resistance ability with higher, ageing resistance, excellent low temperature
Performance, preferable endurance, the ability of Reflection Cracking, increase the service life of road.By current heavy traffic paving asphalt, modification
The market price of pitch and rubber powder calculates, and rubber powder modified asphalt ratio SBS modified pitch per ton saves fee of material 17.5%, such as
Fruit uses the construction technology of dry mixing method, (every due to having saved fuel cost in Modified Bitumen Manufacturing and relevant device expense
The processing charges of ton modified pitch is about 200 yuan) fee of material can also save 6% or so.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of the embodiment of the present invention；
Fig. 2 is 2 structural schematic diagram of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, a kind of green low-carbon environment-friendly type road structure using regrown material, including from bottom to top successively
The roadbed of setting and road surface, roadbed include the embankment 1 and roadbed 2 set gradually from the bottom to top, and embankment 1 is discarded by urban architecture
Object regenerating mixture is made, and roadbed 2 is made of urban architecture castoff regenerative graded mixture；Road surface include from bottom to top according to
Bed course 3, underlayment 4, base 5, cutting optimal 6, middle surface layer 7 and the upper layer 8 of secondary setting, bed course 3 is by building castoff regenerative
It is made with aggregate；The cement that underlayment 4 and base 5 are made of the urban architecture castoff regenerative aggregate for adding 0%~50% is steady
Determine inorganic binder or be made of the Cold Recycled Mixture with Emulsified Asphalt that old asphalt mixture forms, cutting optimal 6 is by warm-mixed asphalt
Mixture or 90%~100% old asphalt mixture of volume composition Cold Recycled Mixture with Emulsified Asphalt be made, middle surface layer 7 by
The heat regeneration asphalt mixture of Warm-Mix Bitumen Mixture or volume 0%-40% old asphalt mixture composition is made, upper layer 8
It is made of the warm-mixing rubber-asphalt mixture of volume 0%-30% rubber powder.
The urban architecture castoff regenerative mixture that embankment 1 uses includes brick, mortar and concrete, by simple
After technique is broken, maximum particle diameter is less than or equal to 150mm.
The urban architecture castoff regenerative graded mixture that roadbed 2 uses includes brick particle, and brick granule content is less than
Or it is equal to 30%, urban architecture castoff regenerative graded mixture maximum particle diameter after working process is less than or equal to 60mm,
The granule content that wherein partial size is 40~60mm is 30~60%, and the granule content that partial size is 5~40mm is 20~30%, grain
The granule content that diameter is 0~5mm is 0~10%, the nonuniformity coefficient of urban architecture castoff regenerative graded mixture be greater than or
Equal to 5.
The urban architecture castoff regenerative graded mixture technical indicator that roadbed 2 uses is as shown in table 1；
The urban architecture waste that the urban architecture castoff regenerative graded mixture and embankment 1 that roadbed 2 uses use is again
Raw mix, filler minimum strength and maximum particle diameter require as shown in table 2；
Embankment 1 and the control of 2 compaction quality of roadbed require as shown in table 3:
Table 1
Table 2
Table 3
| Subregion | Porosity/% | Differential settlement/mm |
| Roadbed 2 | ≤14 | ≤3.0 |
| Embankment 1 | ≤16 | ≤5.0 |
The building castoff regeneration graded aggregate that bed course 3 uses includes brick particle, mortar particle and concrete particle,
Brick granule content is less than or equal to 10%, and mortar granule content is less than or equal to 10%, and concrete particle content is greater than or waits
In 80%, brick particle, mortar particle and the concrete particle particle size range after processing, sieving are 5~31.5mm, construction
Quality is rolled using compactness norm controlling, is detected using sand replacement method test, control criterion of acceptability is according to construction drawing design
It is required that.Water-proof tack coat 9 is equipped with before bed course 3 and underlayment 4, the construction of bed course 3 finishes, need to be prevented through quality testing qualification
The processing of water adhesive layer 9, water-proof tack coat 9 are made of rubber modified asphalt；Water-proof tack coat 9 is substituted using rubber modified asphalt
The materials such as traditional emulsified asphalt have resistance capacity to deformation strong, are not easy to emulsify, rupture, good bonding, waterproof effect.
The cement that underlayment 4 and base 5 are made of the urban architecture castoff regenerative aggregate for adding 0%~50% respectively
Stable inorganic binder is made, and cement stabilizing inorganic binder includes urban architecture castoff regenerative aggregate and binder, base
The urban architecture castoff regenerative aggregate that layer 4 and base 5 use includes brick particle, mortar particle and concrete particle, base
The urban architecture castoff regenerative aggregate size that layer 4 and base 5 use is by being divided into 5-10mm, 10-20mm and 20-
30mm, brick granule content are less than or equal to 10%, and mortar granule content is less than or equal to 10%, and concrete particle contains
Amount is more than or equal to 80%；Binder is ordinary portland cement P.O42.5 or is flyash (substitution cement material
Ratio) with the mixture of ordinary cement, and the content of flyash is 5~10% in the mixture of flyash and ordinary cement, powder
Coal ash is using III level and the above standard in " for the flyash in cement and concrete " (GB/T 1596-2005)；Base
Layer 4, the gradation of base 5 use the closely knit crack resistance type grade distribution structure of skeleton-, and mix-design is using vibration compaction moulding method generation
For conventional modified compaction test method, the maximum dry of cement stabilizing binder can be improved using vibration compaction moulding method
Density, and optimum moisture content is reduced, it is convenient for cement stabilizing binder site operation；Using vibration mixing plant in work progress
Cement stabilizing binder is produced instead of conventional dual horizontal mixing plant, point of the cement in mixture can be further increased
Cloth uniformity promotes the uniform mixing effect of cement stabilizing binder to can be improved in the case where not improving cement material
The mechanical property of cement stabilizing binder；In underlayment 4 content of binder it is lower than the content of binder in base 5 0.5~
1.0%；Stress absorbing layer 10 is equipped between base 5 and cutting optimal 6, stress absorbing layer 10 is combined by rubber-SBS modified pitch
Material is made, and rubber-SBS modified asphalt binders include rubber powder, and the content of rubber powder is 30%, and the partial size of rubber powder is greater than
The partial size of 40 mesh, preferred rubber powder is 80 mesh, and the technical indicator of rubber-SBS modified asphalt binders is as shown in table 4:
Table 4
Cutting optimal 6 is cold by the emulsified asphalt that Warm-Mix Bitumen Mixture or 90%~100% old asphalt mixture of volume form
Regenerating mixture is made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, using skeleton-thick grading, drip
Blueness be 70# matrix pitch, gradation be ATB-25 AC-25, warm-mixing agent select surface-active viscosity reduction technical principle type, such as
Evotherm warm-mixing agent, CCNYJ-1 warm-mixing agent etc.；The emulsified asphalt of 90%~100% old asphalt mixture of volume composition is cold again
Raw mix includes bituminous cements, the Cold Recycled Mixture with Emulsified Asphalt of 90%~100% old asphalt mixture of volume composition
Optimum emulsification asphalt content and best water consumption are determined using gyratory compaction test method, bituminous cements be slow breaking sun from
Sub- emulsified asphalt, gradation are middle grain formula, the construction temperature of Cold Recycled Mixture with Emulsified Asphalt energy after 10 DEG C or more, making 3d
Terminate health when enough taking out complete core sample or moisture content lower than 2%, while can be added and be suitble to according to the performance of old asphalt mixture
Regenerative agent.
The heat regeneration asphalt mixture that middle surface layer 7 is made of Warm-Mix Bitumen Mixture or 35% old asphalt mixture of volume
Be made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, pitch is shell 70# matrix pitch, and gradation is
AC-20；The heat regeneration asphalt mixture of 35% old asphalt mixture of volume composition includes bituminous cements, and bituminous cements is
70# matrix pitch, gradation AC-20, using skeleton-compact structure, heat regeneration asphalt mixture uses plant-mix heat recycle technology
It is produced, old asphalt mixture is that the asphalt that bituminous pavement generates during reconstruction, enlarging passes through working process
Material afterwards, partial size are respectively 0-5mm, 5-10mm and 10-20mm, and old asphalt mixture adds dosage and can be in 3 kinds of partial sizes
Any one shelves, can also simultaneously all add, should according to raw material situation carry out mix-design.
Upper layer 8 is made of the warm-mixing rubber-asphalt mixture of 30% rubber powder of volume, the warm mix of 30% rubber powder of volume
Rubber-asphalt mixture includes bituminous cements and warm-mixing agent, and bituminous cements is rubber-SBS modified pitch, and technical indicator is full
Sufficient table 4, warm-mixing agent are the Evotherm, gradation AC-16/SMA-16/AC-13/SMA- of surface-active viscosity reduction technical principle
13, wherein SMA-13 SMA-16 be gap grading, using Sup pave method carry out mix-design；Warm-mixing rubber-asphalt is mixed
Material high temperature deformation resistance ability with higher, ageing resistance are closed, excellent cryogenic property, preferable endurance, antireflection are split
The ability of seam；Rubber asphalt technology with its environmental protection, noise reduction and the characteristics of economize on resources, by current heavy traffic paving asphalt, modified pitch and
The market price of rubber powder calculates, and rubber powder modified asphalt ratio SBS modified pitch per ton saves fee of material 17.5%, if using
The construction technology of dry mixing method, it is (per ton to change due to having saved fuel cost in Modified Bitumen Manufacturing and relevant device expense
The processing charges of property pitch is about 200 yuan) fee of material can also save 6% or so.The technology can carry out comprehensive in China
Popularization and application, provide the environmental protection solution of an indissolubility for the black pollution of the materials such as waste tire.
Embodiment 2
As shown in Fig. 2, a kind of green low-carbon environment-friendly type road structure using regrown material, including from bottom to top successively
The roadbed of setting and road surface, roadbed include the embankment 1 and roadbed 2 set gradually from the bottom to top, and embankment 1 is discarded by urban architecture
Object regenerating mixture is made, and roadbed 2 is made of urban architecture castoff regenerative graded mixture；Road surface include from bottom to top according to
Bed course 3, underlayment 4, base 5, cutting optimal 6, middle surface layer 7 and the upper layer 8 of secondary setting, bed course 3 is by building castoff regenerative
It is made with aggregate；The cement that underlayment 4 and base 5 are made of the urban architecture castoff regenerative aggregate for adding 0%~50% is steady
Determine inorganic binder or be made of the Cold Recycled Mixture with Emulsified Asphalt that old asphalt mixture forms, cutting optimal 6 is by warm-mixed asphalt
Mixture or 90%~100% old asphalt mixture of volume composition Cold Recycled Mixture with Emulsified Asphalt be made, middle surface layer 7 by
The heat regeneration asphalt mixture of Warm-Mix Bitumen Mixture or volume 0%-40% old asphalt mixture composition is made, upper layer 8
It is made of the warm-mixing rubber-asphalt mixture of volume 0%-30% rubber powder.
The urban architecture castoff regenerative mixture that embankment 1 uses includes brick, mortar and concrete, by simple
After technique is broken, maximum particle diameter is less than or equal to 150mm.
The urban architecture castoff regenerative graded mixture that roadbed 2 uses includes brick particle, and brick granule content is less than
Or it is equal to 30%, urban architecture castoff regenerative graded mixture maximum particle diameter after working process is less than or equal to 60mm,
The granule content that wherein partial size is 40~60mm is 30~60%, and the granule content that partial size is 5~40mm is 20~30%, grain
The granule content that diameter is 0~5mm is 0~10%, the nonuniformity coefficient of urban architecture castoff regenerative graded mixture be greater than or
Equal to 5.
The urban architecture castoff regenerative graded mixture technical indicator that roadbed 2 uses is as shown in table 1；
The urban architecture waste that the urban architecture castoff regenerative graded mixture and embankment 1 that roadbed 2 uses use is again
Raw mix, filler minimum strength and maximum particle diameter require as shown in table 2；
The embankment 1 and the control of 2 compaction quality of roadbed require as shown in table 3:
Table 1
Table 2
Table 3
| Subregion | Porosity/% | Differential settlement/mm |
| Roadbed 2 | ≤14 | ≤3.0 |
| Embankment 1 | ≤16 | ≤5.0 |
The building castoff regeneration graded aggregate that bed course 3 uses includes brick particle, mortar particle and concrete particle,
Brick granule content is less than or equal to 10%, and mortar granule content is less than or equal to 10%, and concrete particle content is greater than or waits
In 80%, brick particle, mortar particle and the concrete particle particle size range after processing, sieving are 5~31.5mm, construction
Quality is rolled using compactness norm controlling, is detected using sand replacement method test, control criterion of acceptability is according to construction drawing design
It is required that.Water-proof tack coat 9 is equipped with before bed course 3 and underlayment 4, the construction of bed course 3 finishes, need to be prevented through quality testing qualification
The processing of water adhesive layer 9, water-proof tack coat 9 are made of rubber modified asphalt；Water-proof tack coat 9 is substituted using rubber modified asphalt
The materials such as traditional emulsified asphalt have resistance capacity to deformation strong, are not easy to emulsify, rupture, good bonding, waterproof effect.
The Cold Recycled Mixture with Emulsified Asphalt that underlayment 4 and base 5 are formed by adding 100% old asphalt mixture respectively
It is made, the partial size of Cold Recycled Mixture with Emulsified Asphalt is 0~30mm, and sealing 11 is equipped between base 5 and cutting optimal 6.
Cutting optimal 6 is cold by the emulsified asphalt that Warm-Mix Bitumen Mixture or 90%~100% old asphalt mixture of volume form
Regenerating mixture is made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, using skeleton-thick grading, drip
Blueness be 70# matrix pitch, gradation be ATB-25 AC-25, warm-mixing agent select surface-active viscosity reduction technical principle type, such as
Evotherm warm-mixing agent, CCNYJ-1 warm-mixing agent etc.；The emulsified asphalt of 90%~100% old asphalt mixture of volume composition is cold again
Raw mix includes bituminous cements, the Cold Recycled Mixture with Emulsified Asphalt of 90%~100% old asphalt mixture of volume composition
Optimum emulsification asphalt content and best water consumption are determined using gyratory compaction test method, bituminous cements be slow breaking sun from
Sub- emulsified asphalt, gradation are middle grain formula, the construction temperature of Cold Recycled Mixture with Emulsified Asphalt energy after 10 DEG C or more, making 3d
Terminate health when enough taking out complete core sample or moisture content lower than 2%, while can be added and be suitble to according to the performance of old asphalt mixture
Regenerative agent.
The heat regeneration asphalt mixture that middle surface layer 7 is made of Warm-Mix Bitumen Mixture or 35% old asphalt mixture of volume
Be made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, pitch is shell 70# matrix pitch, and gradation is
AC-20；The heat regeneration asphalt mixture of 35% old asphalt mixture of volume composition includes bituminous cements, and bituminous cements is
70# matrix pitch, gradation AC-20, using skeleton-compact structure, heat regeneration asphalt mixture uses plant-mix heat recycle technology
It is produced, old asphalt mixture is that the asphalt that bituminous pavement generates during reconstruction, enlarging passes through working process
Material afterwards, partial size are respectively 0-5mm, 5-10mm and 10-20mm, and old asphalt mixture adds dosage and can be in 3 kinds of partial sizes
Any one shelves, can also simultaneously all add, should according to raw material situation carry out mix-design.
Upper layer 8 is made of the warm-mixing rubber-asphalt mixture of 30% rubber powder of volume, the warm mix of 30% rubber powder of volume
Rubber-asphalt mixture includes bituminous cements and warm-mixing agent, and bituminous cements is rubber-SBS modified pitch, and warm-mixing agent is table
Evotherm, the gradation AC-16/SMA-16/AC-13/SMA-13 of face activity viscosity reduction technical principle, wherein SMA-13 SMA-
16 be gap grading, carries out mix-design using Sup pave method；Warm-mixing rubber-asphalt mixture anti-height with higher
Warm deformation ability, ageing resistance, excellent cryogenic property, preferable endurance, the ability of Reflection Cracking；Rubber asphalt
Technology is with its environmental protection, noise reduction and the characteristics of economize on resources, based on the market price of current heavy traffic paving asphalt, modified pitch and rubber powder
It calculates, rubber powder modified asphalt ratio SBS modified pitch per ton saves fee of material 17.5%, if using the construction technology of dry mixing method,
Due to having saved fuel cost in Modified Bitumen Manufacturing and relevant device expense, (processing charges of modified pitch per ton is big
About 200 yuan) fee of material can also save 6% or so.The technology can comprehensively be promoted and applied in China, be waste and old
The black pollution of the materials such as tire provides the environmental protection solution of an indissolubility.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this
Invention is described in detail, those skilled in the art should understand that: can still modify to the present invention or
Equivalent replacement should all cover of the invention without departing from the spirit or scope of the invention, or any substitutions
In scope of the claims.
Claims (10)
1. a kind of green low-carbon environment-friendly type road structure using regrown material, it is characterised in that: including successively setting from bottom to top
The roadbed set and road surface, roadbed include the embankment and roadbed set gradually from the bottom to top, and embankment is by urban architecture castoff regenerative
Mixture is made, and roadbed is made of urban architecture castoff regenerative graded mixture；Road surface includes setting gradually from bottom to top
Bed course, underlayment, base, cutting optimal, middle surface layer and upper layer, bed course are made of building castoff regeneration graded aggregate；Base
The cement stabilizing inorganic binder that layer and base are made of the urban architecture castoff regenerative aggregate for adding 0%~50%, or
It is made of the Cold Recycled Mixture with Emulsified Asphalt that old asphalt mixture forms, cutting optimal is by Warm-Mix Bitumen Mixture or volume
The Cold Recycled Mixture with Emulsified Asphalt of 90%~100% old asphalt mixture composition is made；Middle surface layer is by Warm-Mix Bitumen Mixture
Or the heat regeneration asphalt mixture of volume 0%-40% old asphalt mixture composition is made；Upper layer is by volume 0%-30% rubber
The warm-mixing rubber-asphalt mixture of powder is made.
2. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The urban architecture castoff regenerative mixture that the embankment uses includes brick, mortar and concrete, maximum particle diameter be less than or
Equal to 150mm.
3. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The urban architecture castoff regenerative graded mixture that the roadbed uses includes brick particle, and brick granule content is less than or equal to
30%, urban architecture castoff regenerative graded mixture maximum particle diameter is less than or equal to 60mm, and wherein partial size is 40~60mm's
Granule content is 30~60%, and the granule content that partial size is 5~40mm is 20~30%, and the granule content that partial size is 0~5mm is
0~10%, the nonuniformity coefficient of urban architecture castoff regenerative graded mixture is greater than or equal to 5.
4. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1 or 3, feature exist
In: the urban architecture castoff regenerative graded mixture technical indicator that the roadbed uses is as shown in table 1；What the roadbed used
The urban architecture castoff regenerative mixture that urban architecture castoff regenerative graded mixture and embankment use, filler are minimum strong
Degree requires as shown in table 2 with maximum particle diameter；The embankment and the control of roadbed compaction quality require as shown in table 3,
Table 1
Table 2
Table 3
。
5. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The building castoff regeneration graded aggregate that the bed course uses includes brick particle, mortar particle and concrete particle, brick
Grain content is less than or equal to 10%, and mortar granule content is less than or equal to 10%, and concrete particle content is greater than or equal to 80%,
The particle size range that building castoff regenerates graded aggregate is 5~31.5mm, and water-proof binding is equipped with before the bed course and underlayment
Layer, water-proof tack coat are made of rubber modified asphalt.
6. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The cement stabilizing that the underlayment and base are made of the urban architecture castoff regenerative aggregate for adding 0%~50% respectively is inorganic
Binder is made, and cement stabilizing inorganic binder includes urban architecture castoff regenerative aggregate and binder, and urban architecture is discarded
Object recycled aggregate includes brick particle, mortar particle and concrete particle, and brick granule content is the mortar less than or equal to 10%
Granule content is less than or equal to 10%, and concrete particle content is more than or equal to 80%；Binder is normal silicate water
Mud P.O42.5 or mixture for flyash and ordinary cement, and flyash in the mixture of flyash and ordinary cement
Content is 5~10%；The content of binder lower than the content of binder in base 0.5~1.0% in underlayment；The base with
Stress absorbing layer is equipped between cutting optimal, stress absorbing layer is made of rubber-SBS modified asphalt binders, and rubber-SBS is modified
Asphalt binder includes rubber powder, and the content of rubber powder is 30%, and the partial size of rubber powder is greater than 40 mesh, rubber-SBS modified pitch
The technical indicator of binder is as shown in table 4:
Table 4
7. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The underlayment and base are made by adding the Cold Recycled Mixture with Emulsified Asphalt that 100% old asphalt mixture forms, emulsification drip
The partial size of green cold regeneration mix is 0~30mm, and sealing is equipped between base and cutting optimal.
8. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The cutting optimal is mixed by the emulsified asphalt cold renewal that Warm-Mix Bitumen Mixture or 90%~100% old asphalt mixture of volume form
Material is closed to be made, Warm-Mix Bitumen Mixture include gather materials, miberal powder, pitch and warm-mixing agent, pitch is 70# matrix pitch, and gradation is
ATB-25 AC-25, warm-mixing agent be Evotherm warm-mixing agent or CCNYJ-1 warm-mixing agent；The mixing of 90%~100% Bituminous concrete surface of volume
The Cold Recycled Mixture with Emulsified Asphalt of material composition includes bituminous cements, and bituminous cements is slow breaking cationic emulsified bitumen,
Gradation is middle grain formula.
9. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, it is characterised in that:
The middle surface layer is made of the heat regeneration asphalt mixture that Warm-Mix Bitumen Mixture or 35% old asphalt mixture of volume form, temperature
Mix asphalt include gather materials, miberal powder, pitch and warm-mixing agent, pitch is shell 70# matrix pitch, gradation AC-20；Volume
The heat regeneration asphalt mixture of 35% old asphalt mixture composition includes bituminous cements, and bituminous cements is 70# matrix pitch,
Gradation is AC-20.
10. a kind of green low-carbon environment-friendly type road structure using regrown material according to claim 1, feature exist
In: the upper layer is made of the warm-mixing rubber-asphalt mixture of 30% rubber powder of volume, the warm mix rubber of 30% rubber powder of volume
Glue asphalt includes bituminous cements and warm-mixing agent, and bituminous cements is rubber-SBS modified pitch, and warm-mixing agent is
Evotherm warm-mixing agent, gradation AC-16/SMA-16/AC-13/SMA-13, wherein SMA-13 SMA-16 be gap grading.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501465A (en) * | 2020-04-20 | 2020-08-07 | 常州市市政工程设计研究院有限公司 | Road structure is dredged to track traffic |
| CN111851192A (en) * | 2020-06-27 | 2020-10-30 | 同济大学 | Ultrahigh-ductility concrete stress absorbing layer asphalt pavement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204530364U (en) * | 2015-03-11 | 2015-08-05 | 湖南省交通科学研究院 | The complete thick formula revived structure of semi-rigid asphalt pavement |
| CN205934638U (en) * | 2016-08-17 | 2017-02-08 | 北京通汇盛通环保科技发展有限公司 | Supercrust structure with building garbage recovery aggregate |
| CN106758654A (en) * | 2016-12-22 | 2017-05-31 | 沧州市市政工程股份有限公司 | A kind of regenerative pavement structure and its technique of building the road |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204530364U (en) * | 2015-03-11 | 2015-08-05 | 湖南省交通科学研究院 | The complete thick formula revived structure of semi-rigid asphalt pavement |
| CN205934638U (en) * | 2016-08-17 | 2017-02-08 | 北京通汇盛通环保科技发展有限公司 | Supercrust structure with building garbage recovery aggregate |
| CN106758654A (en) * | 2016-12-22 | 2017-05-31 | 沧州市市政工程股份有限公司 | A kind of regenerative pavement structure and its technique of building the road |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501465A (en) * | 2020-04-20 | 2020-08-07 | 常州市市政工程设计研究院有限公司 | Road structure is dredged to track traffic |
| CN111501465B (en) * | 2020-04-20 | 2021-09-03 | 常州市市政工程设计研究院有限公司 | Road structure is dredged to track traffic |
| CN111851192A (en) * | 2020-06-27 | 2020-10-30 | 同济大学 | Ultrahigh-ductility concrete stress absorbing layer asphalt pavement |
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