CN110330605A - Self-compacting type concrete thermoset pitch mixture and construction method for tunnel deformation joint - Google Patents
Self-compacting type concrete thermoset pitch mixture and construction method for tunnel deformation joint Download PDFInfo
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- CN110330605A CN110330605A CN201910621052.3A CN201910621052A CN110330605A CN 110330605 A CN110330605 A CN 110330605A CN 201910621052 A CN201910621052 A CN 201910621052A CN 110330605 A CN110330605 A CN 110330605A
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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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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/08—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having four or more carbon atoms
- C08F255/10—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having four or more carbon atoms on to butene polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- 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
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Abstract
A kind of self-compacting type concrete thermoset pitch mixture and construction method for tunnel deformation joint；Self-compacting type concrete thermoset pitch mixture fits over normal temperature type thermosetting modification pitch with AC-10 or AC-13 grades to be mixed under 10 ~ 15% bitumen aggregate ratio, and forms to obtain by corresponding construction method.Self-compacting type concrete thermoset pitch mixture construction method, includes the following steps: the processing of (1) old pavement, the implementation of (2) adhesive layer, the production of (3) mixture, the moulding process of (4) mixture, (5) maintenance of surface.Self-compacting type concrete thermoset pitch mixture of the present invention is using normal temperature type thermosetting modification asphalt as pavement material, it can effectively improve dense water, Reflection Cracking performance, anti-fatigue performance, high-temperature stability and the flexibility on road surface, and the material and flooring mode used compared with the existing technology, operability is stronger, and construction is more convenient and energy conservation and environmental protection.
Description
Technical field
The invention belongs to traffic engineering technical fields, are related to a kind of self-compacting type concrete thermoset pitch for tunnel deformation joint
Mixture and construction method.
Background technique
With the rapid development of highway in China cause, the construction mileage of high-grade highway is skyrocketed through, subterranean tunnel construction
Also brilliant achievement is achieved, tunnel road surface is the important component of tunnel structure, and performance directly affects the logical of tunnel
Row ability and driving comfort level.
Now, general tunnel road surface uses binder of the thermoplastic modification asphalt as asphalt surface course.But in tunnel
In road when the pavement maintenance of deformation joint, common hot-mix asphalt mixture be difficult to ensure new old asphalt concrete smoothly transit and
Durability is poor, produces bigger effect to road-ability, therefore is considered as self-compacting type concrete asphalt and may make new paving
Deformation joint bituminous pavement can be smoothly transitted with old pavement.Self-compacting type concrete asphalt common at present mainly has pouring type drip
Green mixture.
Pouring asphalt mixture is using the construction poured, different from the construction technology of asphalt concrete.Cause
This pouring asphalt mixture has numerous characteristics, such as forms by itself mobility without rolling, porosity is small, Mi Shui
Property, durability, fatigue behaviour it is good etc., which solves common hot-mix asphalt mixture and is difficult to spread out when working face is smaller
The problem of spreading, rolling.But since pouring asphalt mixture uses the very high modified pitch of viscosity, and pitch and miberal powder content
It is very high, so that asphalt needs can generate a large amount of flue gases when paving and construct under conditions of 240 DEG C -260 DEG C, it can not
Meet the working environment in tunnel.
Therefore, studying a kind of existing good pavement performance, there is the Novel asphalt concrete for flat characteristic of flowing automatically to mat formation material again
Material is extremely important.
Summary of the invention
Above-mentioned modified pitch is mixed as asphalt pavement maintenance at tunnel deformation joint using ordinary hot in the prior art to overcome
When presence compacting deficiency, the service performances such as Reflection Cracking are low and using pouring asphalt concrete construction when generates cigarette
Gas is unable to satisfy the deficiencies of tunneling environment, and it is an object of that present invention to provide a kind of self-compacting type concrete heat for tunnel deformation joint
Solidity asphalt and construction method.
In order to achieve the above objects and other related objects, the present invention provides a kind of self-compacting type concrete heat for tunnel deformation joint
Solidity asphalt, the self-compacting type concrete thermoset pitch mixture be by normal temperature type thermosetting modification pitch and AC-10 or
AC-13 is fitted over to be mixed to prepare under 10~15% bitumen aggregate ratio；The normal temperature type thermosetting modification pitch includes component C and D
Component A, B component after mixing by component A, B component and component C difference, are mixed to form D component at normal temperature by component,
It is uniformly mixed by component C with D component and is obtained in 10-60 DEG C of solidification again；The composition of the component A, B component and component C is with matter
It is as follows respectively to measure part meter: component A are as follows: dimeric dibasic acid 2-10 mass parts, epoxy resin diluent 5-30 mass parts, pitch 10-60 matter
Measure part；B component are as follows: pitch 2-30 mass parts, epoxy resin 1-50 mass parts, styrene 1-20 mass parts；Component C are as follows: pitch
10-35 mass parts, amine curing agent 10-40 mass parts, curing accelerator 1-5 mass parts, polybutadiene maleic anhydride adduct
1-10 mass parts, polyisobutene add diimine 1-10 mass parts.
The present invention also provides a kind of construction method of self-compacting type concrete thermoset pitch mixture for tunnel deformation joint, packets
Include following steps:
(1), the processing of old pavement: milling processing is carried out to the deformation joint for disease occur using milling machine, then uses vacuum
Dust catcher and air-heater are cleaned and are dried to dust, the remaining old asphalt mixture on the road surface newly exposed respectively, are guaranteed
The cleanliness and drying property of exposed old pavement top surface；
(2), the implementation of adhesive layer: the component C of thermosetting modification pitch and D component are existed by the mass ratio of 1:1.8-1:3.0
1min is stirred using handheld electric stirrer in 10-60 DEG C of temperature range, is mixed them thoroughly；The thermosetting property mixed is changed
Property pitch bonding material be sprayed at using small-sized emulsified asphalt spreading machine through step (1) treated road surface top surface, the spread of bonding material
Temperature controls in 10-60 DEG C of temperature range, then the partial size that spread coverage rate is 70%-85% is 5.0-10.0mm single particle size
Gather materials；
(3), the production of mixture；The component C of normal temperature type thermosetting modification pitch and D component are pressed to the matter of 1:1.0-1:2.0
Amount is mixed them thoroughly than stirring 1min using handheld electric stirrer in 10-60 DEG C of temperature range；It will mix again
Thermosetting modification asphalt binder is attached in mix all-in-one machine, with the wet-mixing 30s that gathers materials, is finally discharged, it is ensured that mixture bitumen aggregate ratio
For 10.0-15.0%, drop temperature is in 10-60 DEG C of temperature range；
(4), the moulding process of mixture；The thermosetting modification bituminous mixture laying mixed in mix all-in-one machine is existed
Deformation joint, plate with 2m long is along being parallel to direction of traffic and flatten the thermosetting modification asphalt；
(5), maintenance of surface: after the completion of construction, heating is carried out to green road surface using the auxiliary hot equipment with heating pad wall and is supported
Shield, heating pad wall is greater than 50cm from road surface top surface will be monitored the temperature of mix surface, temperature control during heating
System is at 65-70 DEG C, heating time 5-10min, and natural curing 1h can open to traffic again for the thermosetting modification asphalt.
Since above-mentioned technical proposal is used, the present invention has the advantage that as follows compared with prior art:
1, tunnel self-compacting type concrete thermoset pitch mixture of the invention is using thermosetting modification asphalt as paving
Package material, the waterproofness and Reflective Cracking Resistance of thermosetting modification pitch are all dripped than the plain asphalt of the prior art and pouring type
Green mixture wants much excellent, and the phenomenon that road surface generates crack under vehicular load repeated action can be effectively relieved.
2, tunnel self-compacting type concrete thermoset pitch mixture of the invention is using thermosetting modification asphalt as paving
Package material, high bitumen aggregate ratio ensure that thermosetting modification pitch has good mobility, can have gravity flow flat characteristic at normal temperature,
The problem of asphalt density is low at very good solution tunnel deformation joint, high temperature construction.
3, tunnel self-compacting type concrete thermoset pitch mixture of the invention is using thermosetting modification asphalt as knot
Material is closed, the anti-fatigue performance of deformation joint asphalt surface course is substantially increased after thermosetting modification pitch and gather materials mixing, solidification, is resisted
Track performance and crack resistance at low-temperature, to improve the durability of bituminous pavement at tunnel deformation joint.
4, the thermosetting modification pitch that tunnel self-compacting type concrete thermoset pitch mixture of the invention uses can be at normal temperature
Rapid curing, therefore the asphalt can construct at normal temperature, not only reduce construction temperature and also avoid a large amount of flue gases
It generates.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Embodiment:
A kind of self-compacting type concrete thermoset pitch mixture for tunnel deformation joint, the self-compacting type concrete thermoset pitch are mixed
Closing material is to fit over normal temperature type thermosetting modification pitch with AC-10 or AC-13 to be mixed to prepare under 10~15% bitumen aggregate ratio；
The normal temperature type thermosetting modification pitch includes that component C and D component are mixed by component A, B component and component C respectively at normal temperature
After closing uniformly, component A, B component are mixed to form D component, then be uniformly mixed by component C with D component and solidified at 10-60 DEG C
It arrives；The composition of the component A, B component and component C is as follows respectively in terms of mass parts: component A are as follows: dimeric dibasic acid 2-10 mass parts,
Epoxy resin diluent 5-30 mass parts, pitch 10-60 mass parts；B component are as follows: pitch 2-30 mass parts, epoxy resin 1-50
Mass parts, styrene 1-20 mass parts；Component C are as follows: pitch 10-35 mass parts, amine curing agent 10-40 mass parts, solidification promote
Add diimine 1-10 mass parts into agent 1-5 mass parts, polybutadiene maleic anhydride adduct 1-10 mass parts, polyisobutene.
The present invention also provides a kind of construction method of self-compacting type concrete thermoset pitch mixture for tunnel deformation joint, packets
Include following steps:
(1), the processing of old pavement: milling processing is carried out to the deformation joint for disease occur using milling machine, then uses vacuum
Dust catcher and air-heater are cleaned and are dried to dust, the remaining old asphalt mixture on the road surface newly exposed respectively, are guaranteed
The cleanliness and drying property of exposed old pavement top surface；
(2), the implementation of adhesive layer: the component C of thermosetting modification pitch and D component are existed by the mass ratio of 1:1.8-1:3.0
1min is stirred using handheld electric stirrer in 10-60 DEG C of temperature range, is mixed them thoroughly；The thermosetting property mixed is changed
Property pitch bonding material be sprayed at using small-sized emulsified asphalt spreading machine through step (1) treated road surface top surface, the spread of bonding material
Temperature controls in 10-60 DEG C of temperature range, then the partial size that spread coverage rate is 70%-85% is 5.0-10.0mm single particle size
Gather materials；
(3), the production of mixture；The component C of normal temperature type thermosetting modification pitch and D component are pressed to the matter of 1:1.0-1:2.0
Amount is mixed them thoroughly than stirring 1min using handheld electric stirrer in 10-60 DEG C of temperature range；It will mix again
Thermosetting modification asphalt binder is attached in mix all-in-one machine, with the wet-mixing 30s that gathers materials, is finally discharged, it is ensured that mixture bitumen aggregate ratio
For 10.0-15.0%, drop temperature is in 10-60 DEG C of temperature range；
(4), the moulding process of mixture；The thermosetting modification bituminous mixture laying mixed in mix all-in-one machine is existed
Deformation joint, plate with 2m long is along being parallel to direction of traffic and flatten the thermosetting modification asphalt；
(5), maintenance of surface: after the completion of construction, heating is carried out to green road surface using the auxiliary hot equipment with heating pad wall and is supported
Shield, heating pad wall is greater than 50cm from road surface top surface will be monitored the temperature of mix surface, temperature control during heating
System is at 65-70 DEG C, heating time 5-10min, and natural curing 1h can open to traffic again for the thermosetting modification asphalt.
Embodiment 1:
A kind of construction method of the self-compacting type concrete thermoset pitch mixture for city tunnel deformation joint, including following step
It is rapid:
(1) processing of old pavement
Milling processing is carried out to the deformation joint for disease occur using milling machine, is then distinguished with vacuum cleaner and air-heater
Dust, the remaining old asphalt mixture on the road surface newly exposed are cleaned and dried, to guarantee exposed old pavement top surface
Cleanliness and drying property.
(2) implementation of adhesive layer
The component C of thermosetting modification pitch and D component are used in 10 DEG C of temperature ranges by the mass ratio of 1:1.8 and held
Formula electric mixer stirs 1min, mixes them thoroughly；The thermoset pitch binding material mixed is used into small-sized emulsified asphalt
Spreading machine is sprayed at through step (1) treated road surface top surface, and the spread temperature of binding material is controlled at 30 DEG C, and then, then spread is covered
The partial size that lid rate is 75% is that 5.0-10.0mm single particle size gathers materials.
(3) production of mixture
The component C of normal temperature type thermoset pitch and D component are used into hand electric at 12 DEG C by the mass ratio of 1:1.5
Blender stirs 1min, mixes them thoroughly；The thermosetting modification asphalt binder mixed is attached in mix all-in-one machine again,
It with the wet-mixing 30s that gathers materials, finally discharges, it is ensured that mixture bitumen aggregate ratio is 15.0%, and drop temperature is 12 DEG C.
(4) moulding process of normal temperature type epoxy asphalt mixture
By the thermosetting modification bituminous mixture laying mixed in mix all-in-one machine in deformation joint, with the plate edge of 2m long
Be parallel to direction of traffic and flatten the thermosetting modification asphalt.
(5) maintenance of surface
After the completion of construction, heating curing is carried out to green road surface using PM500 type highway doctor, heating pad wall is from road surface top surface
60cm during heating will be monitored the temperature of mix surface, and temperature is controlled at 70 DEG C, heating time 10min,
Natural curing 1h can open to traffic again for the thermosetting modification asphalt.
Embodiment 2
A kind of construction method of the self-compacting type concrete thermoset pitch mixture for city tunnel deformation joint, including following step
It is rapid:
(1) processing of old pavement
Milling processing is carried out to the deformation joint for disease occur using milling machine, is then distinguished with vacuum cleaner and air-heater
Dust, the remaining old asphalt mixture on the road surface newly exposed are cleaned and dried, to guarantee exposed old pavement top surface
Cleanliness and drying property.
(2) implementation of adhesive layer
The component C of thermosetting modification pitch and D component are stirred using hand electric by the mass ratio of 1:2.5 at 30 DEG C
Device stirring 1min is mixed, is mixed them thoroughly；The thermoset pitch binding material mixed is sprayed using small-sized emulsified asphalt spreading machine
It is sprinkled upon through step (1) treated road surface top surface, the spread temperature of binding material is controlled at 30 DEG C, and then, then spread coverage rate is
75% partial size is that 5.0-10.0mm single particle size gathers materials.
(3) production of mixture
The component C of normal temperature type thermoset pitch and D component are used into hand electric at 35 DEG C by the mass ratio of 1:1.9
Blender stirs 1min, mixes them thoroughly；The thermosetting modification asphalt binder mixed is attached in mix all-in-one machine again,
It with the wet-mixing 30s that gathers materials, finally discharges, it is ensured that mixture bitumen aggregate ratio is 13.0%, and drop temperature is 36 DEG C.
(4) moulding process of normal temperature type epoxy asphalt mixture
By the thermosetting modification bituminous mixture laying mixed in mix all-in-one machine in deformation joint, with the plate edge of 2m long
Be parallel to direction of traffic and flatten the thermosetting modification asphalt.
(5) maintenance of surface
After the completion of construction, heating curing is carried out to green road surface using PM500 type highway doctor, heating pad wall is from road surface top surface
The temperature of mix surface is monitored during heating for 55cm, temperature is controlled at 70 DEG C, heating time 5min,
Natural curing 55min can open to traffic again for the normal temperature type thermosetting modification asphalt.
Embodiment 3
A kind of construction method of the self-compacting type concrete thermoset pitch mixture for city tunnel deformation joint, including following step
It is rapid:
(1) processing of old pavement
Milling processing is carried out to the deformation joint for disease occur using milling machine, is then distinguished with vacuum cleaner and air-heater
Dust, the remaining old asphalt mixture on the road surface newly exposed are cleaned and dried, to guarantee exposed old pavement top surface
Cleanliness and drying property.
(2) implementation of adhesive layer
The component C of thermosetting modification pitch and D component are stirred using hand electric by the mass ratio of 1:2.0 at 60 DEG C
Device stirring 1min is mixed, is mixed them thoroughly；The thermoset pitch binding material mixed is sprayed using small-sized emulsified asphalt spreading machine
It is sprinkled upon through step (1) treated road surface top surface, the spread temperature of binding material is controlled at 60 DEG C, and then, then spread coverage rate is
80% partial size is that 5.0-10.0mm single particle size gathers materials.
(3) production of mixture
The component C of normal temperature type thermoset pitch and D component are used into hand electric at 60 DEG C by the mass ratio of 1:1.3
Blender stirs 1min, mixes them thoroughly；The thermosetting modification asphalt binder mixed is attached in mix all-in-one machine again,
It with the wet-mixing 30s that gathers materials, finally discharges, it is ensured that mixture bitumen aggregate ratio is 11.0%, and drop temperature is 59 DEG C.
(4) moulding process of normal temperature type epoxy asphalt mixture
By the thermosetting modification bituminous mixture laying mixed in mix all-in-one machine in deformation joint, with the plate edge of 2m long
Be parallel to direction of traffic and flatten the thermosetting modification asphalt.
(5) maintenance of surface
After the completion of construction, heating curing is carried out to green road surface using PM500 type highway doctor, heating pad wall is from road surface top surface
The temperature of mix surface is monitored during heating for 65cm, temperature is controlled at 70 DEG C, heating time 5min,
Natural curing 45min can open to traffic again for the normal temperature type thermosetting modification asphalt.
The thermosetting modification performance of asphalt mixture index of each specific embodiment (embodiment 1-3) such as following table institute in the present invention
Show:
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (2)
1. a kind of self-compacting type concrete thermoset pitch mixture for tunnel deformation joint, it is characterised in that: the self-compacting type concrete heat
Solidity asphalt is to fit over normal temperature type thermosetting modification pitch with AC-10 or AC-13 to carry out under 10 ~ 15% bitumen aggregate ratio
It is mixed to prepare；The normal temperature type thermosetting modification pitch includes component C and D component, at normal temperature, by component A, B component and C group
Divide difference after mixing, component A, B component is mixed to form D component, then be uniformly mixed with D component at 10-60 DEG C by component C
Solidification obtains；The composition of the component A, B component and component C is as follows respectively in terms of mass parts: component A are as follows: dimeric dibasic acid 2-10
Mass parts, epoxy resin diluent 5-30 mass parts, pitch 10-60 mass parts；B component are as follows: pitch 2-30 mass parts, asphalt mixtures modified by epoxy resin
Rouge 1-50 mass parts, styrene 1-20 mass parts；Component C are as follows: pitch 10-35 mass parts, amine curing agent 10-40 mass parts,
Curing accelerator 1-5 mass parts, polybutadiene maleic anhydride adduct 1-10 mass parts, polyisobutene add diimine 1-10 mass
Part.
2. a kind of construction method according to claim 1, it is characterised in that: the following steps are included:
, old pavement processing: using milling machine to there is disease deformation joint carry out milling processing, then use vacuum cleaning
Device and air-heater are cleaned and are dried to dust, the remaining old asphalt mixture on the road surface newly exposed respectively, are guaranteed exposed
Old pavement top surface cleanliness and drying property；
, adhesive layer implementation: by the component C of thermosetting modification pitch and D component by the mass ratio of 1:1.8-1:3.0 in 10-
1min is stirred using electric mixer in 60 DEG C of temperature ranges, is mixed them thoroughly；The thermosetting modification pitch mixed is glued
Splicing is sprayed at using emulsified asphalt spreading machine through stepThe spread temperature control of treated road surface top surface, bonding material exists
In 10-60 DEG C of temperature range, then the partial size that spread coverage rate is 70%-85% is that 5.0-10.0mm single particle size gathers materials；
, mixture production；The component C of normal temperature type thermosetting modification pitch and D component are pressed to the mass ratio of 1:1.0-1:2.0
1min is stirred using electric mixer in 10-60 DEG C of temperature range, is mixed them thoroughly；The thermosetting modification that will be mixed again
Asphalt binder is attached in mix all-in-one machine, with the wet-mixing 30s that gathers materials, is finally discharged, it is ensured that mixture bitumen aggregate ratio is 10.0-
15.0%, drop temperature is in 10-60 DEG C of temperature range；
, mixture moulding process；The thermosetting modification bituminous mixture laying mixed in mix all-in-one machine is being deformed
Seam, plate with 2m long is along being parallel to direction of traffic and flatten the thermosetting modification asphalt；
, maintenance of surface: after the completion of construction, using with heating pad wall auxiliary hot equipment to green road surface carry out heating curing, add
Hot wall, which is greater than 50cm from road surface top surface, during heating will be monitored the temperature of mix surface, and temperature control exists
65-70 DEG C, heating time 5-10min, natural curing 1h can open to traffic again for the thermosetting modification asphalt.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408861A (en) * | 2020-11-18 | 2021-02-26 | 南京励米青新材料科技有限公司 | Environment-friendly normal-temperature thermosetting modified adhesive material for quick repair |
| CN113336477A (en) * | 2020-09-08 | 2021-09-03 | 苏州普轮电子科技有限公司 | Self-compacting asphalt mixture |
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Application publication date: 20191015 |