CN110002793A - A kind of epoxy asphalt mixture and preparation method thereof for adding haydite and gathering materials - Google Patents
A kind of epoxy asphalt mixture and preparation method thereof for adding haydite and gathering materials Download PDFInfo
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- CN110002793A CN110002793A CN201910270525.XA CN201910270525A CN110002793A CN 110002793 A CN110002793 A CN 110002793A CN 201910270525 A CN201910270525 A CN 201910270525A CN 110002793 A CN110002793 A CN 110002793A
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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
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of epoxy asphalt mixture and preparation method thereof for gathering materials of admixture haydite, epoxy asphalt mixture is made of the raw material of following mass parts: 0.9 ~ 1.1 part of bituminous epoxy part A epoxy resin, 3.3 ~ 6.8 parts of bituminous epoxy part B curing components, 41 ~ 89 parts of haydites gather materials, 11 ~ 59 parts gather materials and 0.8 ~ 3.0 part of miberal powder.The present invention is high using haydite intensity, gap is big, density is small, the features such as thermal coefficient is low, simultaneously using domestic bituminous epoxy as cementitious matter, haydite volume can be increased to 85% or so of conventional hybrid material, improve a series of deficiencies in haydite incorporation plain asphalt mixture and general modified asphalt mixture, the thermal resistance epoxy asphalt mixture that the admixture haydite that the present invention is prepared gathers materials has good heat preservation and insulation, water stability, high-temperature stability, low-temperature cracking-resistance, preparation method is simple, energy conservation and environmental protection, social value and economic value with higher.
Description
Technical field
The invention belongs to pavement construction material technical field, be related to a kind of epoxy asphalt mixture that admixture haydite gathers materials and
Preparation method.
Background technique
China possesses the maximum Permafrost Area of height above sea level highest, area in the world, wherein variation of the ever-frozen ground to temperature
It is very sensitive, under native state, it is substantially at stable state, when being invaded and harassed by mankind's activities such as engineering constructions, frozen soil
Environment will change, and lead to a series of engineering problem.After building road engineering on ever-frozen ground, due to bituminous pavement
Highly endothermic ability and sealing role to moisture evaporation, destroy its lower original heat balance of frozen soil.In order to solve roadbed
Depression and its caused disease, mainly by the thermal stability of protection of permafrost, at present using laying thermal insulation layer technology.It is laid with heat-insulated
Layer is laid with heat insulation layer in permafrost region road structure, utilizes the low thermally conductive resistive prevention top heat of heat preserving and insulating material
Into lower part subgrade soil, artificial partition is transmitted to the cold and hot variation of roadbed by pavement structure, makes roadbed in the road occupation time limit
Temperature field is in opposite thermal steady state, to play protection of permafrost, achievees the purpose that eliminate the Frost Hazard of Road.
However, with global warming aggravation, the continuous growth of the volume of traffic, original conventional thermal insulation layer technology be not able to satisfy every
Heat, load-bearing and cost-effectiveness requirement, it is new to solve the problems, such as to be badly in need of new thermal insulation layer technology.Road researcher once passed through admixture thermal resistance
Material modification ground surface material, the thermal conductivity for reducing road surface, prevent the transmitting of heat, to reduce the temperature inside road surface.Thermal resistance
Material, that is, thermal coefficient is small, mushy material, and the thermal resistance material for being mainly used in road includes haydite, ceramics.With ceramic phase
Than haydite is because having advantages, the present invention such as intensity is high, gap is big, density is small, thermal coefficient is low to be mixed road surface in its performance
Material reduces the thermal conductivity of ground surface material, the thermal stability of protection of permafrost on the one hand due to the incorporation of haydite；On the other hand, by
It is manually to gather materials and original material is resourceful in haydite, is gathered materials with haydite and mix ground surface material instead of gravel aggregate, it can be certain
Degree alleviates the status of China's building stones shortage.
At present document report about add the patent of asphalt that haydite gathers materials have CN101100360A,
CN101219869A, CN102875058A and CN106007486A, the obtained haydite drip of the technical solution of these patent disclosures
In green concrete, haydite volume is respectively less than 60% first, and has only just met pavement performance requirement, is not able to satisfy Frozen Ground Area
Road performance requirement；Secondly, these patents are not studied and are determined to the resistive properties of ceramic granule asphalt concrete；Finally, this
Ceramic granule asphalt concrete is mainly used in high temperature area in a little patents, and molding and paving material are greater than 170 DEG C, it is difficult to freeze
It is realized in soil area road engineering.In order to utmostly play haydite and preparation ground surface material advantage, it is necessary to meet frozen soil
The requirement of regional road surface pavement performance and resistive properties needs that a kind of superior modified pitch of performance is selected to answer as binder
For in mixture.The asphalt of bituminous epoxy mixing has intensity height, good toughness, excellent anti-fatigue performance, temperature
The features such as stability, corrosion resistance, CN101767958A are combined using light aggregate and bituminous epoxy and are prepared high-performance light
Epoxy asphalt concrete, application range are mainly Large Span Bridges, therefore the patent refers to the performance of used light aggregate
Mark more demanding, i.e. density rating 600 ~ 1100, particle size range is 0 ~ 5mm, 5 ~ 10mm, cylindrical compress strength >=6.5MPa, and this
Patent is mainly used in Frozen Ground Area road, and application purpose is to protect the thermal stability of roadbed, therefore be to the density rating of haydite
Strength grade requirement is lower, and particle size range is larger.Therefore bituminous epoxy is gathered materials with haydite and combines by this patent, is applied to freeze
Soil area pavement of road plays its heat preservation and insulation on the basis of meeting pavement performance, reduces heat and conducts to roadbed, protects
The thermal stability of road maintenance base and frozen soil has bright application prospect and wide application range.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of epoxy asphalt mixture and preparation method thereof that admixture haydite gathers materials,
This heat insulation type ground surface material is intended to its heat-proof quality and heat transfer is prevented to maintain the thermal stability of frozen soil layer to frozen soil layer, prevents
The road disease of Frozen Ground Area is controlled, while on the basis of not reducing the pavement performance of paving mix, taking into account discarded haydite
It widely applies, reaches energy-saving and environment-friendly purpose, meet the requirement of sustainable development.
To achieve the above object, asphalt of the invention is using bituminous epoxy as binder.Bituminous epoxy passes through A
Part epoxy and part B curing component curing reaction form stable spacial framework, do not dissolve in any solvent, and
It carries out viscosity with chemical reaction to be continuously increased, until curing reaction terminates to form gelinite, the mixture of formation then has more excellent
Different self-strength, high-temperature stability and low-temperature cracking-resistance can be made up to a certain extent because aggregate strength deficiency bring is whole
The decline of body performance.Meanwhile bituminous epoxy enhances and gathers materials and can largely increase with haydite aggregate adhesion, the haydite mixed in mixture
Add, is conducive to the heat-proof quality for improving thermal resistance ground surface material, the thermal stability of more effective protection of permafrost.
The technical scheme adopted by the invention is as follows:
A kind of epoxy asphalt mixture for adding haydite and gathering materials, is made: 0.9 ~ 1.1 part of bituminous epoxy of the raw material of following mass parts
Part A epoxy resin, 3.3 ~ 6.8 parts of bituminous epoxy part B curing components, 41 ~ 89 parts of haydites gather materials, 11 ~ 59 parts gather materials, 0.8 ~
3.0 parts of miberal powders.
The epoxy asphalt component A epoxy resin is bisphenol A type epoxy resin E-51, institute as a preferred technical solution,
State anhydride type curing agent, 70# matrix pitch or the 90# matrix pitch that epoxy asphalt component B curing agent is Long carbon chain.
The mass parts ratio gathered materials meets continuous close-graded as a preferred technical solution, and continuous close-graded is selected from
One of AC-20, AC-16, AC-13 and AC-10.
The haydite gathers materials as a preferred technical solution, and density rating is 200 ~ 600kg/m3, particle size range 0-
20mm, haydite, which gathers materials, to be mixed with mode for by corresponding in mixture proportion substitution tetra- kinds of gradations of AC-20, AC-16, AC-13, AC-10
The mineral aggregate of one grade or multi gear particle size range, and do not change initial level after the completion of substituting and match.
It is described as a preferred technical solution, to gather materials for basalt aggregate or limestone aggregates.
The miberal powder is limestone powder as a preferred technical solution,.
Another technical solution used in the present invention is the preparation side for adding the epoxy asphalt mixture that haydite gathers materials
Method, which comprises the following steps:
(1) it will gather materials by design level with determining basalt aggregate, miberal powder and haydite and carry out the pre-heat treatment；
(2) bituminous epoxy part A epoxy resin, bituminous epoxy part B curing component are subjected to the pre-heat treatment；
(3) by the haydite obtained through step (1) processing gathers materials, basalt aggregate is mixed and stirred；
(4) 115 DEG C ~ 140 DEG C of reaction temperature will be heated to through the obtained bituminous epoxy part B curing component of step (2) processing, and
The bituminous epoxy part A epoxy resin that fusing obtains is mixed with bituminous epoxy part B curing component in proportion, with step (3)
It handles obtained mixture to be mixed and stirred, mixes and stirs no less than 20s, be then placed in the miberal powder that step (1) obtains, continue to mix and stir many
In the epoxy asphalt mixture that 30s gathers materials to get admixture haydite.
Step (1) the pre-heat treatment temperature is 115 DEG C ~ 140 DEG C as a preferred technical solution, and preheating time is 2 ~ 3
Hour.
Step (2) the pre-heat treatment temperature is 115 DEG C ~ 140 DEG C as a preferred technical solution,.
The step (3) is mixed and stirred as dry mixing as a preferred technical solution, and the time is no less than 10s, and temperature is 115 DEG C ~
140℃
The beneficial effects of the present invention are:
The present invention determines mineral aggregate gradation by taking, and is gathered materials using haydite and substitutes corresponding partial size mineral aggregate, gathers materials compared to same volume haydite
Plain asphalt mixture and general modified asphalt mixture, the present invention volume that haydite can gather materials is increased to and accounts for mixture about
85% or so, mixture of the present invention can effectively solve plain asphalt and general modified pitch and haydite aggregate adhesion is insufficient and strong
Inadequate problem is spent, excellent stability, water stability, high-temperature stability, anti-low-temperature cracking are still able to maintain in terms of pavement performance
Property.Simultaneously because the haydite of high additive gathers materials in mixture, mixture is functionally possessing following two advantage:
(1) there is excellent heat-proof quality, keep the thermal stability in beneath frozen soil region；
(2) quality of surface layer is alleviated, alleviates road surface weight to the pressure of frozen soil layer.
The thermal resistance epoxy asphalt mixture provided by the invention for adding haydite and gathering materials facilitates a large amount of process for producing lives and produces
The raw waste and old haydite of largely firing, while alleviating current exploitation of stone situation in short supply, meet energy conservation and environmental protection theory.
The epoxy asphalt mixture and preparation method thereof provided by the invention for adding haydite and gathering materials, preparation process is simple,
Facilitate operation, and preparation cost is lower, the bituminous pavement of each standard highway in the Frozen Ground Area suitable for high altitudes and cold is mated formation, tool
There are higher social value and economic value.
Detailed description of the invention
Fig. 1 is pilot system schematic diagram used in the indoor illumination radiation test process of 1-4 of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is further described, but embodiment is not to limit of the invention
System, it is any without departing from technical solution of the present invention content, according to the technical essence of the invention modification made to the above embodiment, etc.
With variation and modification, the claimed range of technical solution of the present invention is still fallen within.
Embodiment 1
(1) material prepares
The epoxy asphalt mixture that admixture haydite of the present invention gathers materials takes bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
0.9 part of rouge (place of production: Yangzhou Zhong Jiang Materials Technology Ltd.), the part B curing component (place of production: Shanxi Hua Luxiang transport science and techonologies
Co., Ltd) 6.8 parts (70# matrix pitch), haydite gathers materials 89 parts of (place of production: Henan Mei Saike haydite Co., Ltd), basalt
24 parts, 3.0 parts of miberal powder.In order to facilitate comparative analysis, pavement performance comparison, mass parts 7.6 are carried out using SBS modified pitch
Part, the basalt aggregate and haydite used is gathered materials consistent with the epoxy asphalt road surface materials that haydite gathers materials are added.
(2) preparation method
Step 1: according to the ratio weigh haydite gather materials, basalt aggregate, miberal powder, carry out the pre-heat treatment to gathering materials, preheating temperature 115
DEG C ~ 140 DEG C, preheating time is 2 ~ 3 hours；
Step 2: bituminous epoxy part A epoxy resin, bituminous epoxy part B curing component are subjected to the pre-heat treatment, preheating temperature
It is 115 DEG C ~ 140 DEG C；
Step 3: gather materials (basalt aggregate and haydite gather materials) of the pre-heat treatment being mixed and stirred, dry mixing is no less than 10s, mixes and stirs temperature
Degree is 115 DEG C ~ 140 DEG C, obtains mixture；
Step 4: the bituminous epoxy part B curing component that preheating obtains is heated to 115 DEG C ~ 140 DEG C, and the ring that preheating is obtained
Oxygen bitumen A part epoxy is sufficiently mixed at 115 DEG C ~ 140 DEG C of reaction temperature with bituminous epoxy part B curing component in proportion
It closes, stirs evenly, the bituminous epoxy prepared；
Step 5: the mixture that the epoxy bitumen material of preparation is obtained with step 3 processing is mixed and stirred, no less than 20s is mixed and stirred,
Then the miberal powder that merging step (1) obtains continues to mix and stir no less than 30s to get the epoxy asphalt mixture that haydite gathers materials is added.
The preparation method of comparative example SBS modified asphalt mixture:
Step 1: according to the ratio weigh haydite gather materials, basalt aggregate, miberal powder, carry out the pre-heat treatment to gathering materials, preheating temperature 170
~ 180 DEG C, preheating time is 2 ~ 3 hours；
Step 2: will handle that obtained haydite gathers materials, basalt aggregate is mixed and stirred through step (1), dry mixing is no less than 10s, mixes and stirs
Temperature is 115 DEG C ~ 140 DEG C, obtains mixture；
Step 3: having weighed SBS modified pitch according to the ratio and carried out the pre-heat treatment, preheating temperature obtains the modified drip of SBS to 175 DEG C
It is green；
Step 4: the mixture that SBS modified asphalt material and step (2) processing of preheating obtain being mixed and stirred, is mixed and stirred no less than
Then 20s is placed in the miberal powder that step (1) obtains, continues to mix and stir no less than 30s to get the admixture haydite collection compared in this example
The SBS modified asphalt mixture of material.
(3) pavement performance is evaluated
Thus the pavement performance of epoxy asphalt road surface materials and SBS Modified Bitumen Pavement material that the admixture haydite prepared gathers materials
It is shown in Table 1.
1 embodiment 1 of table adds the pavement performance of the epoxy asphalt mixture that haydite gathers materials and SBS modified asphalt mixture
Table
By experimental data in table it is found that the thermal resistance SBS modified pitch formed after the SBS modified pitch for incorporation that a large amount of haydites are gathered materials
Mixture is not able to satisfy a series of requirement of pavement performances of " JTG F40-2004 standard specification for construction and acceptance of highway asphalt pavement ", and
The pavement performances such as intensity, dynamic stability, the water stability (residual stability) of thermal resistance epoxy asphalt mixture of the invention are full
Sufficient code requirement.
Embodiment 2
(1) material prepares
The epoxy asphalt mixture that admixture haydite of the present invention gathers materials takes bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
1.1 parts of rouge, 6.8 parts of part B curing component (70# matrix pitch), haydite gather materials 41 parts, 43 parts of limestone, 0.8 part of miberal powder.It adopts
Be that 6.5 parts of SBS modified pitch carries out pavement performance comparison with mass parts, the limestone aggregates and haydite used gather materials with
It is consistent to add the epoxy asphalt road surface materials that haydite gathers materials.
(2) preparation method
The present embodiment adds the preparation method and implementation of the epoxy asphalt mixture that haydite gathers materials and SBS modified asphalt mixture
Example 1 is identical.
(3) pavement performance is evaluated
Thus the pavement performance of epoxy asphalt road surface materials and SBS Modified Bitumen Pavement material that the admixture haydite prepared gathers materials
It is shown in Table 2.By experimental data in table it is found that the intensity of thermal resistance epoxy asphalt mixture of the invention, dynamic stability, water stability
Pavement performances such as (residual stabilities) are all satisfied code requirement, and performance is much larger than the one of thermal resistance SBS modified asphalt mixture
Serial performance.
2 embodiment 2 of table adds the pavement performance table of the epoxy asphalt mixture that haydite gathers materials and SBS modified asphalt mixture
Embodiment 3
The epoxy asphalt mixture that admixture haydite of the present invention gathers materials takes bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
1.0 parts of rouge, 3.3 parts of part B curing component (90# matrix pitch), haydite gather materials 58 parts, 59 parts of limestone, 2.6 parts of miberal powder.It adopts
Pavement performance comparison is carried out with SBS modified pitch, mass parts are 5.8 parts, and the limestone aggregates and haydite used gather materials
It is consistent with the epoxy asphalt road surface materials that haydite gathers materials are added.
(2) preparation method
The present embodiment adds the preparation method and example 1 of the epoxy asphalt mixture that haydite gathers materials and SBS modified asphalt mixture
It is identical.
(3) pavement performance is evaluated
Thus the pavement performance of epoxy asphalt road surface materials and SBS Modified Bitumen Pavement material that the admixture haydite prepared gathers materials
It is shown in Table 3.By experimental data in table it is found that the modified drip of the thermal resistance SBS formed after the SBS modified pitch for incorporation that a large amount of haydites are gathered materials
The Marshall stability and dynamic stability of green mixture are not able to satisfy " JTG F40-2004 asphalt highway construction technology rule
Model " requirement, and the intensity of thermal resistance epoxy asphalt mixture of the invention, dynamic stability, water stability (residual stability) etc.
Pavement performance is superior to thermal resistance SBS modified asphalt mixture, and meets code requirement.
3 embodiment 3 of table adds the pavement performance table of the epoxy asphalt mixture that haydite gathers materials and SBS modified asphalt mixture
Embodiment 4
(1) material prepares
The epoxy asphalt mixture that admixture haydite of the present invention gathers materials takes bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
0.9 part of rouge, 4.3 parts of part B curing component (70# matrix pitch), haydite gather materials 72 parts, 11 parts of basalt aggregate, miberal powder 0.8
Part.The preparation method of the raw material and mixture is same as Example 1.
(2) preparation method
The preparation method and 1 phase of embodiment for adding epoxy asphalt mixture and SBS modified asphalt mixture that haydite gathers materials
Together.
(3) pavement performance is evaluated
Thus the pavement performance of epoxy asphalt road surface materials and SBS Modified Bitumen Pavement material that the admixture haydite prepared gathers materials
Table 4.By experimental data in table it is found that the intensity of thermal resistance epoxy asphalt mixture of the invention, dynamic stability, water stability are (residual
Stay stability) etc. pavement performances be all satisfied code requirement, and performance is a series of much larger than thermal resistance SBS modified asphalt mixture
Performance.
4 embodiment 4 of table adds the pavement performance table of the epoxy asphalt mixture that haydite gathers materials and SBS modified asphalt mixture
Embodiment 5
The epoxy asphalt mixture that the admixture haydite of the present embodiment gathers materials, includes: bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
1.1 parts of rouge, 3.9 parts of part B curing component (90# matrix pitch), haydite gather materials 63 parts, 59 parts of basalt aggregate, miberal powder 3.0
Part.It is described to add the epoxy asphalt mixture and thermal resistance SBS modified asphalt mixture preparation method and embodiment 1 that haydite gathers materials
It is identical.
Embodiment 6
The epoxy asphalt mixture that the admixture haydite of the present embodiment gathers materials, includes: bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
1.1 parts of rouge, 3.9 parts of part B curing component (70# matrix pitch), haydite gather materials 85 parts, 26.9 parts of basalt aggregate, miberal powder 3.9
Part.It is described to add the epoxy asphalt mixture and thermal resistance SBS modified asphalt mixture preparation method and embodiment 1 that haydite gathers materials
It is identical.
Embodiment 7
The epoxy asphalt mixture that the admixture haydite of the present embodiment gathers materials, includes: bituminous epoxy part A asphalt mixtures modified by epoxy resin in parts by mass
1.0 parts of rouge, 3.9 parts of part B curing component (90# matrix pitch), haydite gather materials 59 parts, 11 parts of basalt aggregate, miberal powder 1.9
Part.It is described to add the epoxy asphalt mixture and thermal resistance SBS modified asphalt mixture preparation method and embodiment 1 that haydite gathers materials
It is identical.
Admixture haydite gathers materials prepared by embodiment 1,2,3,4 epoxy asphalt mixture and SBS modified pitch are mixed
Material is thermally shielded performance evaluation test: firstly, intuitively investigating the present invention by indoor illumination radiation test adds haydite collection
The thermal resistance epoxy asphalt mixture of material and the cooling and insulating effect of thermal resistance SBS modified asphalt mixture, then test bituminous epoxy
The thermal coefficient of mixture and SBS modified asphalt mixture, the bituminous epoxy that comparative analysis admixture haydite of the invention gathers materials are mixed
The resistive properties of material are closed, specific test process is as follows:
1, indoor illumination radiation test:
The pilot system of use is mainly by radiating light source (1000W iodine-tungsten lamp), temperature sensor, cotton rock and moisture recorder (heat
Thermocouple sensor) it constitutes, as shown in Figure 1.
Test procedure is as follows:
Step 1: iodine-tungsten lamp fluorescent tube being connected to above lamp bracket, the positive and negative anodes of fluorescent tube are connected with voltage-stablizer with conducting wire, then by lamp
Frame is mounted on above testing stand；Voltage-stablizer is adjusted, so that output voltage stabilization is in 220V；Temperature sensor is demarcated.
Step 2: sample being placed in the underface of iodine-tungsten lamp, in heat preserving and insulating materials such as the surrounding filling rock wools of sample.
Step 3: respectively disposing 3 ~ 5 temperature sensors in the top of sample and bottom, and indicate specimen surface temperature measuring point
Position, the upper surface and the lower surface temperature measurement location of sample must correspond.
Step 4: opening iodine-tungsten lamp switch, radiant heating is started to sample, radiant heating 4 hours, takes five temperature measuring points
Temperature of the average temperature value as sample upper and lower surfaces, test result are shown in Table 5.
5 indoor illumination radiation test result of table
By indoor illumination radiation test result it is found that the thermal resistance SBS formed after the SBS modified pitch for incorporation that a large amount of haydites are gathered materials
The resistive properties of modified asphalt mixture are poor, and thermal resistance epoxy asphalt mixture of the invention can effectively prevent passing under heat,
With preferable resistive properties.
2, Determination of conductive coefficients:
Test apparatus select hot-fluid hair thermal conductivity coefficient measurement instrument (model: HFM436/3/1E), experimental condition at 20 DEG C at room temperature
It carries out, specimen size 305*305*100mm, testing time 30min, test result are shown in Table 6.
6 thermal coefficient test result of table
As it can be seen that high additive haydite epoxy asphalt mixture of the invention has intuitive heat insulation and lower thermal coefficient,
With apparent heat insulation, it was demonstrated that the epoxy asphalt mixture that admixture haydite produced by the present invention gathers materials can be applied to high and cold
The road surface of the Permafrost Area of High aititude, and it can be effectively protected the thermal stability of Frozen Ground Area, reduce pavement disease.
The above is only a preferred embodiment of the present invention, not of the invention is made any form of restriction, is appointed
What is without departing from technical solution of the present invention content, according to the technical essence of the invention modification made to the above embodiment, equivalent change
Change and modify, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of epoxy asphalt mixture for adding haydite and gathering materials, which is characterized in that be made of the raw material of following mass parts: 0.9 ~
1.1 parts of bituminous epoxy part A epoxy resin, 3.3 ~ 6.8 parts of bituminous epoxy part B curing components, 41 ~ 89 parts of haydites gather materials, 11 ~
59 parts gather materials, 0.8 ~ 3.0 part of miberal powder.
2. the epoxy asphalt mixture according to claim 1 for adding haydite and gathering materials, which is characterized in that the bituminous epoxy
Component A epoxy resin is bisphenol A type epoxy resin E-51, and the epoxy asphalt component B curing agent is that the acid anhydrides type of Long carbon chain is solid
Agent, 70# matrix pitch or 90# matrix pitch.
3. the epoxy asphalt mixture according to claim 1 for adding haydite and gathering materials, which is characterized in that the matter gathered materials
Amount part ratio meets continuous close-graded, and continuous close-graded is selected from one of AC-20, AC-16, AC-13 and AC-10.
4. the epoxy asphalt mixture according to claim 1 for adding haydite and gathering materials, which is characterized in that the haydite collection
Material, density rating are 200 ~ 600 kg/m3, particle size range 0-20mm, and haydite gathers materials, and to mix with mode be to substitute by mixture proportion
The mineral aggregate of corresponding one grade or multi gear particle size range in tetra- kinds of gradations of AC-20, AC-16, AC-13, AC-10, and after the completion of substituting
Do not change initial level to match.
5. according to claim 1 add the epoxy asphalt mixture that gathers materials of haydite, which is characterized in that described to gather materials be profound
Wu Yan gathers materials or limestone aggregates.
6. the epoxy asphalt mixture according to claim 1 for adding haydite and gathering materials, which is characterized in that the miberal powder is stone
Limestone powder.
7. any one of -6 preparation method for adding the epoxy asphalt mixture that haydite gathers materials according to claim 1, feature
It is, comprising the following steps:
(1) it will gather materials by design level with determining basalt aggregate, miberal powder and haydite and carry out the pre-heat treatment；
(2) bituminous epoxy part A epoxy resin, bituminous epoxy part B curing component are subjected to the pre-heat treatment；
(3) it will handle that obtained haydite gathers materials, basalt aggregate is mixed and stirred through step (1), and obtain mixture；
(4) 115 DEG C ~ 140 DEG C of reaction temperature will be heated to through the obtained bituminous epoxy part B curing component of step (2) processing, and
The bituminous epoxy part A epoxy resin that fusing obtains is mixed with bituminous epoxy part B curing component in proportion, with step (3)
It handles obtained mixture to be mixed and stirred, mixes and stirs no less than 20s, be then placed in the miberal powder that step (1) obtains, continue to mix and stir many
In the epoxy asphalt mixture that 30s gathers materials to get admixture haydite.
8. adding the preparation method for the epoxy asphalt mixture that haydite gathers materials according to claim 7, which is characterized in that described
Step (1) the pre-heat treatment temperature is 115 DEG C ~ 140 DEG C, and preheating time is 2 ~ 3 hours.
9. adding the preparation method for the epoxy asphalt mixture that haydite gathers materials according to claim 7, which is characterized in that described
Step (2) the pre-heat treatment temperature is 115 DEG C ~ 140 DEG C.
10. adding the preparation method for the epoxy asphalt mixture that haydite gathers materials according to claim 7, which is characterized in that institute
It states and is mixed and stirred in step (3) as dry mixing, the time is no less than 10s, and temperature is 115 DEG C ~ 140 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270525.XA CN110002793B (en) | 2019-04-04 | 2019-04-04 | Ceramsite aggregate-doped epoxy asphalt mixture and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270525.XA CN110002793B (en) | 2019-04-04 | 2019-04-04 | Ceramsite aggregate-doped epoxy asphalt mixture and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110002793A true CN110002793A (en) | 2019-07-12 |
| CN110002793B CN110002793B (en) | 2021-11-02 |
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| CN111348864A (en) * | 2018-12-20 | 2020-06-30 | 东南大学 | Epoxy asphalt mixture for snow melting and deicing and preparation method thereof |
| CN113277774A (en) * | 2021-04-20 | 2021-08-20 | 东南大学 | Elastic curing ballast bed material and indoor test piece forming and manufacturing method thereof |
| CN115594443A (en) * | 2021-07-09 | 2023-01-13 | 中国石油天然气股份有限公司（Cn） | Epoxy asphalt mixture and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348864A (en) * | 2018-12-20 | 2020-06-30 | 东南大学 | Epoxy asphalt mixture for snow melting and deicing and preparation method thereof |
| CN111348864B (en) * | 2018-12-20 | 2022-04-01 | 东南大学 | Epoxy asphalt mixture for snow melting and deicing and preparation method thereof |
| CN113277774A (en) * | 2021-04-20 | 2021-08-20 | 东南大学 | Elastic curing ballast bed material and indoor test piece forming and manufacturing method thereof |
| CN115594443A (en) * | 2021-07-09 | 2023-01-13 | 中国石油天然气股份有限公司（Cn） | Epoxy asphalt mixture and preparation method thereof |
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