CN108821676A - A kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture - Google Patents
A kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture Download PDFInfo
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- CN108821676A CN108821676A CN201810520704.XA CN201810520704A CN108821676A CN 108821676 A CN108821676 A CN 108821676A CN 201810520704 A CN201810520704 A CN 201810520704A CN 108821676 A CN108821676 A CN 108821676A
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- Prior art keywords
- room temperature
- aqueous emulsion
- stress
- thickening
- emulsified asphalt
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of high preparation methods for gluing flexible room temperature construction stress absorbed layer mixture, include the following steps：(1) the low-temperature flexibility emulsified asphalt of preparation thickening；(2) the high stiffness additive package that fineness is 50-80 mesh is prepared；(3) 2-5 millimeters of room temperature stress absorbing layer paves.The present invention solves the transition adhesion problem between Old cement concrete plate and asphalt overlay from the angle that material glues the short rheological behavior of a bullet one, it ensure that Deteriorated concrete pavement and two kinds of materials of Cold bituminous mixture stress absorbing layer in the continuity of interface, dissipate, alleviate seam or crack and make lower stress in external load and concentrate, at the same can also solve new pavement is semi-rigid or rigid base's later period contracts because generating temperature, drying shrinkage due to the bituminous pavement early reflection crack problem that causes.
Description
Technical field
The invention belongs to the preparation fields of Anti-reflective Crack of Overlaying stress absorbing layer binding material, and in particular to it is a kind of it is high glue it is flexible
The preparation method of room temperature construction stress absorbed layer mixture.
Background technique
Stress absorption layer material used in Deteriorated concrete pavement road " morning-night " is generally rubber asphalt and modified pitch
Mixture, the main purpose for playing abatement stress and water shutoff, needs heat to mix hot paving.In order to delay pitch on cement concrete pavement to add
The extension of laying reflection crack is the key component of whole system using suitable stress absorbing layer.
It is modified that the heat that it is special that common stress absorbing layer asphalt binder is one kind of the system-specific mixes flexible polymeric object
Pitch, the fine aggregate that the pitch and particular stage are matched form it is a kind of have high resiliency, high-flexibility, high-adhesion and it is impermeable often
Temperature asphalt mixture.These special properties enable stress absorbing layer by seam, crack area concentrate stress be distributed to compared with
On big area, peak stress reduces, also accordingly reduces so as to cause the stress being diffused into adjacent media (asphaltum concrete cover-layer),
Therefore, the time that can occur with delayed reflex crack simultaneously reduces the expansion rate of reflection crack, and splits asphalt overlay reflection
Deviate the position of Old cement concrete plate seam, crack in the position that seam generates.
Flexibly and fast, plasticity is big, and open to traffic is fast, formation for room temperature stress absorbing layer mixture construction in this patent
Fine and close stress absorbing layer can completely cut off road table water continue downwards infiltration, be also act against greatly deformation and it is not broken.It is good
Adhesion property be bonded in stress absorbing layer in Cement Concrete Pavement Slab well, cause fatigue life much higher than common poly-
Polymer modified asphalt.
Stress absorption binding material by several there is aqueous polymer dispersion to carry out special tune in constant weight ratio in this patent
With forming, wherein fluorine Si acrylate copolymerization aqueous emulsion used is using China Patent No.：ZL201310193734.1's
Lotion in patent, there are also sub-chain motion and flexibilities at -40 DEG C for the fluorinated silicone modified polymer beads in low-temperature flexibility aqueous emulsion.
By this low-temperature flexibility lotion and height it is viscous aqueous emulsion is compound is used in combination, chemical bond Si-O flexibility is good, the superpower stabilization of C-F, light, oxygen
Effect is not easily susceptible to cracking, and is directly added into emulsified asphalt, and the adhesion strength that can be specifically used to make up conventional emulsification pitch is low, easy
Peel off, easy embrittlement the defects of, being remarkably improved the three norms of modified emulsifying asphalt, (such as softening point is increased to 75 DEG C or more, 5 DEG C
Ductility reaches 30 or more), guarantee high-temperature stability, resistance to embrittlement and the rigidity-toughness balanced on road surface, meets old cement road " morning-night "
Rigors.
Summary of the invention
Goal of the invention：In order to solve the deficiency of existing heat modification pitch stress absorbing layer technology, the present invention provides one kind
Height glues the preparation method of flexible room temperature construction stress absorbed layer mixture.
Technical solution：A kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture, including walk as follows
Suddenly：
(1) the low-temperature flexibility emulsified asphalt of preparation thickening：
A. vinyl acetate-ethylene copolymerization aqueous emulsion, non-ion aqueous epoxy resin, cationic styrene-butadiene latex are pressed into matter
Measure ratio 2.8：0.2：1 proportional arrangement is at suspension composite aqueous emulsion；
B. laboratory temperature is adjusted to 25 DEG C of room temperature；
C. the fluorine Si acrylate copolymerization aqueous emulsion of 25%-40% is slowly added in above-mentioned suspension composite aqueous emulsion, and
And it was completely dispersed fluorine Si acrylate in high speed disperser with Rate Dispersion 5-10 minutes of 1800-2000 rpms
Into composition polymer aqueous emulsion；
D. the stirring for stopping high speed disperser, allows polymer blend composite aqueous emulsion to be cooled to room temperature, thickening can be obtained
The modified finished product of low-temperature flexibility aqueous emulsion；
E. blending type emulsified asphalt is selected, Con trolling index is as follows：55 DEG C of softening point >, 5 DEG C of ductilities (cm)>30,25 DEG C of needles
In-degree=40~60 (0.1mm), surplus ratio (1.18mm sieve) on sieve<0.1；
F. the low-temperature flexibility water and milk for the thickening that weight percent is 12-25% is added in the blending type emulsified asphalt of selection
Liquid stirs 5 minutes, if the shear strength of evaporation residue is greater than 1.0MPa, adhesion strength is greater than 0.7MPa, is just accorded with
Combined stress absorbs the low-temperature flexibility emulsified asphalt of desired thickening；
(2) the high stiffness additive package that fineness is 50-80 mesh is prepared：
The weight fraction ratio that the high stiffness additive package mainly forms is as follows：42.5 ordinary portland cement 15-
20 parts, 2-5 parts of special cement, 75-85 parts and retarder 0.1-0.3 parts of the quartz sand of 50-80 mesh；Said components by described heavy
It measures portion rate and agitated kettle is added, carry out dry mixing and carry out dry mixing 3-10 minutes, the high stiffness that fineness is 50-80 mesh can be configured to
Additive package；
(3) 2-5 millimeters of room temperature stress absorbing layer paves：
In such a way that micro-surface area paver vehicle directly paves, low-temperature flexibility emulsified asphalt and the high stiffness mixing of thickening are added
Add agent by 15~30%：70~85% weight proportions mix, and add suitable water for being mixed with aqueous epoxy curing agent, wait mix
It after conjunction 2 minutes or more at uniform mortar, directly paves on the old cement basal plane for being coated with waterproof adhesion coating, forms finished product.
Beneficial effect：The present invention solves Old cement concrete plate from the angle that material glues the short rheological behavior of a bullet one
Transition adhesion problem between asphalt overlay, ensure that Deteriorated concrete pavement and Cold bituminous mixture stress absorbing layer two
Kind material dissipates in the continuity of interface, alleviates the stress concentration of seam or crack in the case where external load is made, while can also solve
It asks in the bituminous pavement early reflection crack that certainly new pavement is semi-rigid or rigid base's later period causes because generating temperature contracting, drying shrinkage
Topic.
This mixture forms 2 millimeters to 5 millimeters thicks, the stress absorption thin layer of formation through micro-surface area paver vehicle at normal temperature
It is not only closely knit, caking property is strong, also has the characteristics that high resiliency, impermeable and cracking resistance, voidage is less than 3%, can both solve to reflect
Crack problem can also prevent rainwater from doing harm to the infiltration of base and leaching.Room temperature bituminous concrete-cement basic layer in shearing test
Adhesion strength is 0.6-1.1MPa, shows the adhesive property and shear strength that have excellent.
Specific embodiment
The present invention will be described in detail combined with specific embodiments below.
Specific embodiment one：
A kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture, includes the following steps：
(1) the low-temperature flexibility emulsified asphalt of preparation thickening：
A. vinyl acetate-ethylene copolymerization aqueous emulsion, non-ion aqueous epoxy resin, cationic styrene-butadiene latex are pressed into matter
Proportional arrangement of the amount than 2.8: 0.2: 1 is at suspension composite aqueous emulsion；
B. laboratory temperature is adjusted to 25 DEG C of room temperature；
C. 25% fluorine Si acrylate copolymerization aqueous emulsion (Chinese patent is slowly added in above-mentioned suspension composite aqueous emulsion
Number：0193734.1) ZL 2,013 1, and made fluorine in high speed disperser with Rate Dispersion 5 minutes of 1800 rpms
Si acrylate is completely dispersed in composition polymer aqueous emulsion；
D. the stirring for stopping high speed disperser, allows polymer blend composite aqueous emulsion to be cooled to room temperature, thickening can be obtained
The modified finished product of low-temperature flexibility aqueous emulsion；
E. blending type emulsified asphalt is selected, Con trolling index is：55 DEG C of softening point >, 5 DEG C of ductilities (cm)>30,25 DEG C of needles enter
Spend=40~60 (0.1mm), surplus ratio (1.18mm sieve) on sieve<0.1；
F. the low-temperature flexibility water and milk for the thickening that weight percent is 12-25% is added in the blending type emulsified asphalt of selection
Liquid stirs 5 minutes or so, if the shear strength of evaporation residue is greater than 1.0MPa, adhesion strength is greater than 0.7MPa, just obtains
Meet the low-temperature flexibility emulsified asphalt of the thickening of stress absorption requirement.
(2) the high stiffness additive package that fineness is 50 mesh is prepared：
The weight fraction ratio that the high stiffness additive package mainly forms is as follows：42.5 ordinary portland cement 15
Part, 2 parts of special cement, 75 parts and 0.1 part of retarder of the quartz sand of 50 mesh；Said components are stirred by weight fraction ratio addition
Pot is mixed, dry mixing is carried out and carries out dry mixing 3 minutes, the high stiffness additive package that fineness is 50 mesh can be configured to；
(3) room temperature stress absorbing layer (2 millimeters) pave：
In such a way that micro-surface area paver vehicle directly paves, black stress absorption Composite Milk liquid-based mixture, that is, viscosify
Low-temperature flexibility emulsified asphalt and high stiffness additive package press 15%：85% weight proportion mixes, and adds suitable mixed
There is the water of aqueous epoxy curing agent, after mix 2 minutes or more at uniform mortar, directly paves in the old water for being coated with waterproof adhesion coating
On mud basal plane.The material flexibility is good, and adhesiveness is strong, can increase the adhesiveness between cement basic layer and paving layer, in bottom
One layer of stress absorption film just still balanced is formed, the development of reflection crack will be efficiently prevented.
Specific embodiment two：
A kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture, includes the following steps：
(1) the low-temperature flexibility emulsified asphalt of preparation thickening：
A. vinyl acetate-ethylene copolymerization aqueous emulsion, non-ion aqueous epoxy resin, cationic styrene-butadiene latex are pressed into matter
Measure ratio 2.8：0.2: 1 proportional arrangement is at suspension composite aqueous emulsion；
B. laboratory temperature is adjusted to 25 DEG C of room temperature；
C. 40% fluorine Si acrylate copolymerization aqueous emulsion (Chinese patent is slowly added in above-mentioned suspension composite aqueous emulsion
Number：0193734.1) ZL 2,013 1, and made fluorine in high speed disperser with Rate Dispersion 10 minutes of 2000 rpms
Si acrylate is completely dispersed in composition polymer aqueous emulsion；
D. the stirring for stopping high speed disperser, allows polymer blend composite aqueous emulsion to be cooled to room temperature, thickening can be obtained
The modified finished product of low-temperature flexibility aqueous emulsion；
E. blending type emulsified asphalt is selected, Con trolling index is：55 DEG C of softening point >, 5 DEG C of ductilities (cm)>30,25 DEG C of needles enter
Spend=40~60 (0.1mm), surplus ratio (1.18mm sieve) on sieve<0.1；
F. the low-temperature flexibility aqueous emulsion for the thickening that weight percent is 25% is added in the blending type emulsified asphalt of selection,
Stirring 5 minutes or so, if the shear strength of evaporation residue is greater than 1.0MPa, adhesion strength is greater than 0.7MPa, just obtains
Meet the low-temperature flexibility emulsified asphalt of the thickening of stress absorption requirement.
(2) the high stiffness additive package that fineness is 80 mesh is prepared：
The weight fraction ratio that the high stiffness additive package mainly forms is as follows：42.5 ordinary portland cement 20
Part, 5 parts of special cement, 85 parts and 0.3 part of retarder of the quartz sand of 80 mesh；Said components are stirred by weight fraction ratio addition
Pot is mixed, dry mixing is carried out and carries out dry mixing 10 minutes, the high stiffness additive package that fineness is 80 mesh can be configured to；
(3) room temperature stress absorbing layer (5 millimeters) pave：
In such a way that micro-surface area paver vehicle directly paves, black stress absorption Composite Milk liquid-based mixture, that is, viscosify
Low-temperature flexibility emulsified asphalt and high stiffness additive package press 30%：70% weight proportion mixes, and adds suitable mixed
There is the water of aqueous epoxy curing agent, after mix 2 minutes or more at uniform mortar, directly paves in the old water for being coated with waterproof adhesion coating
On mud basal plane.The material flexibility is good, and adhesiveness is strong, can increase the adhesiveness between cement basic layer and paving layer, in bottom
One layer of stress absorption film just still balanced is formed, the development of reflection crack will be efficiently prevented.
Specific embodiment three：
A kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture, includes the following steps：
(1) the low-temperature flexibility emulsified asphalt of preparation thickening：
A. vinyl acetate-ethylene copolymerization aqueous emulsion, non-ion aqueous epoxy resin, cationic styrene-butadiene latex are pressed into matter
Measure ratio 2.8：0.2: 1 proportional arrangement is at suspension composite aqueous emulsion；
B. laboratory temperature is adjusted to 25 DEG C of room temperature；
C. 30% fluorine Si acrylate copolymerization aqueous emulsion (Chinese patent is slowly added in above-mentioned suspension composite aqueous emulsion
Number：ZL 201310193734.1), and with 5-10 points of Rate Dispersion of 1800-2000 rpms in high speed disperser
Clock is completely dispersed fluorine Si acrylate in composition polymer aqueous emulsion；
D. the stirring for stopping high speed disperser, allows polymer blend composite aqueous emulsion to be cooled to room temperature, thickening can be obtained
The modified finished product of low-temperature flexibility aqueous emulsion；
E. blending type emulsified asphalt is selected, Con trolling index is：55 DEG C of softening point >, 5 DEG C of ductilities (cm)>30,25 DEG C of needles enter
Spend=40~60 (0.1mm), surplus ratio (1.18mm sieve) on sieve<0.1；
F. the low-temperature flexibility aqueous emulsion for the thickening that weight percent is 18% is added in the blending type emulsified asphalt of selection,
Stirring 5 minutes or so, if the shear strength of evaporation residue is greater than 1.0MPa, adhesion strength is greater than 0.7MPa, just obtains
Meet the low-temperature flexibility emulsified asphalt of the thickening of stress absorption requirement.
(2) the high stiffness additive package that fineness is 70 mesh is prepared：
The weight fraction ratio that the high stiffness additive package mainly forms is as follows：42.5 ordinary portland cement 17
Part, 3 parts of special cement, 79.8 parts and 0.2 part of retarder of the quartz sand of 70 mesh；Said components are added by the weight fraction ratio
Agitated kettle carries out dry mixing and carries out dry mixing 8 minutes, can be configured to the high stiffness additive package that fineness is 70 mesh；
(3) room temperature stress absorbing layer (4 millimeters) pave：
In such a way that micro-surface area paver vehicle directly paves, black stress absorption Composite Milk liquid-based mixture, that is, viscosify
Low-temperature flexibility emulsified asphalt and high stiffness additive package press 20%：80% weight proportion mixes, and adds suitable mixed
There is the water of aqueous epoxy curing agent, after mix 2 minutes or more at uniform mortar, directly paves in the old water for being coated with waterproof adhesion coating
On mud basal plane.The material flexibility is good, and adhesiveness is strong, can increase the adhesiveness between cement basic layer and paving layer, in bottom
One layer of stress absorption film just still balanced is formed, the development of reflection crack will be efficiently prevented.
The present invention solves Old cement concrete plate from the angle that material glues the short rheological behavior of a bullet one and adds with pitch
Transition adhesion problem between laying ensure that Deteriorated concrete pavement and two kinds of materials of Cold bituminous mixture stress absorbing layer exist
The continuity of interface dissipates, alleviates the stress concentration of seam or crack in the case where external load is made, while can also solve new road construction
The bituminous pavement early reflection crack problem that face is semi-rigid or rigid base's later period causes because generating temperature contracting, drying shrinkage.
This mixture forms 2 millimeters to 5 millimeters thicks, the stress absorption thin layer of formation through micro-surface area paver vehicle at normal temperature
It is not only closely knit, caking property is strong, also has the characteristics that high resiliency, impermeable and cracking resistance, voidage is less than 3%, can both solve to reflect
Crack problem can also prevent rainwater from doing harm to the infiltration of base and leaching.Room temperature bituminous concrete-cement basic layer in shearing test
Adhesion strength is 0.6-1.1MPa, shows the adhesive property and shear strength that have excellent.
Claims (1)
1. a kind of high preparation method for gluing flexible room temperature construction stress absorbed layer mixture, it is characterised in that：Including walking as follows
Suddenly：
(1) the low-temperature flexibility emulsified asphalt of preparation thickening：
A. in mass ratio by vinyl acetate-ethylene copolymerization aqueous emulsion, non-ion aqueous epoxy resin, cationic styrene-butadiene latex
2.8：0.2：1 proportional arrangement is at suspension composite aqueous emulsion；
B. laboratory temperature is adjusted to 25 DEG C of room temperature；
C. be slowly added in above-mentioned suspension composite aqueous emulsion 25%-40% fluorine Si acrylate copolymerization aqueous emulsion, and
With Rate Dispersion 5-10 minutes of 1800-2000 rpms in high speed disperser, it is completely dispersed fluorine Si acrylate multiple
It closes in aqueous polymer dispersion；
D. the stirring for stopping high speed disperser, allows polymer blend composite aqueous emulsion to be cooled to room temperature, the low of thickening can be obtained
The modified finished product of warm toughness aqueous emulsion；
E. blending type emulsified asphalt is selected, Con trolling index is as follows：55 DEG C of softening point >, 5 DEG C of ductilities (cm)>30,25 DEG C of needle penetrations
=40~60 (0.1mm), surplus ratio (1.18mm sieve) on sieve<0.1；
F. the low-temperature flexibility aqueous emulsion for the thickening that weight percent is 12-25% is added in the blending type emulsified asphalt of selection,
Stirring 5 minutes, if the shear strength of evaporation residue is greater than 1.0MPa, adhesion strength is greater than 0.7MPa, is just met
The low-temperature flexibility emulsified asphalt for the thickening that stress absorption requires；
(2) the high stiffness additive package that fineness is 50-80 mesh is prepared：
The weight fraction ratio that the high stiffness additive package mainly forms is as follows：42.5 15-20 parts of ordinary portland cements,
2-5 parts of special cement, 75-85 parts and retarder 0.1-0.3 parts of the quartz sand of 50-80 mesh；Said components are pressed the parts by weight
Number carries out dry mixing and carries out dry mixing 3-10 minutes, can be configured to the high stiffness that fineness is 50-80 mesh and mix than agitated kettle is added
Additive；
(3) 2-5 millimeters of room temperature stress absorbing layer paves：
In such a way that micro-surface area paver vehicle directly paves, the low-temperature flexibility emulsified asphalt and high stiffness additive package of thickening
By 15~30%：70~85% weight proportions mix, and add suitable water for being mixed with aqueous epoxy curing agent, to mix 2
Minute or more at uniform mortar after, directly pave on the old cement basal plane for being coated with waterproof adhesion coating, formed finished product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042718A (en) * | 2019-05-14 | 2019-07-23 | 江苏阜光工程新技术有限公司 | A kind of anti-shearing machine spreading super-thin pavement technique of colour |
| CN110144787A (en) * | 2019-05-15 | 2019-08-20 | 江苏阜光工程新技术有限公司 | A kind of super construction technology for gluing ultra-thin stress absorbing layer |
| CN113322743A (en) * | 2021-06-03 | 2021-08-31 | 重庆诚邦路面材料有限公司 | Epoxy modified cement pavement anti-skid wearing layer and construction method thereof |
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| CN102322009A (en) * | 2011-05-20 | 2012-01-18 | 东莞欧博建材科技有限公司 | Normal temperature epoxy resin modified emulsified asphalt stress absorbing layer |
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| CN104312175A (en) * | 2014-10-16 | 2015-01-28 | 盐城工学院 | Asphalt modifier, modified emulsified asphalt, modified asphalt mixture and respective preparation methods thereof |
| CN104478355A (en) * | 2014-11-28 | 2015-04-01 | 深圳市公路交通工程试验检测中心 | Environment-friendly cold-mixing modulus-adjustable pavement material and preparation method thereof |
| KR20160144177A (en) * | 2015-06-08 | 2016-12-16 | 한국도로공사 | Stress absorbing sheet and cutting overlay construction method for crack resistance and prevent deterioration of concrete pavement |
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2018
- 2018-05-28 CN CN201810520704.XA patent/CN108821676A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322009A (en) * | 2011-05-20 | 2012-01-18 | 东莞欧博建材科技有限公司 | Normal temperature epoxy resin modified emulsified asphalt stress absorbing layer |
| CN103242479A (en) * | 2013-05-22 | 2013-08-14 | 南通福伦利新材料有限公司 | Fluorosilicone acrylates copolymer emulsion as well as preparation method and application thereof |
| CN104312175A (en) * | 2014-10-16 | 2015-01-28 | 盐城工学院 | Asphalt modifier, modified emulsified asphalt, modified asphalt mixture and respective preparation methods thereof |
| CN104478355A (en) * | 2014-11-28 | 2015-04-01 | 深圳市公路交通工程试验检测中心 | Environment-friendly cold-mixing modulus-adjustable pavement material and preparation method thereof |
| KR20160144177A (en) * | 2015-06-08 | 2016-12-16 | 한국도로공사 | Stress absorbing sheet and cutting overlay construction method for crack resistance and prevent deterioration of concrete pavement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042718A (en) * | 2019-05-14 | 2019-07-23 | 江苏阜光工程新技术有限公司 | A kind of anti-shearing machine spreading super-thin pavement technique of colour |
| CN110144787A (en) * | 2019-05-15 | 2019-08-20 | 江苏阜光工程新技术有限公司 | A kind of super construction technology for gluing ultra-thin stress absorbing layer |
| CN113322743A (en) * | 2021-06-03 | 2021-08-31 | 重庆诚邦路面材料有限公司 | Epoxy modified cement pavement anti-skid wearing layer and construction method thereof |
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Application publication date: 20181116 |