CN105366997B - Road surface pit repairing material and its construction treating methods under cryogenic conditions - Google Patents
Road surface pit repairing material and its construction treating methods under cryogenic conditions Download PDFInfo
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- CN105366997B CN105366997B CN201510859776.3A CN201510859776A CN105366997B CN 105366997 B CN105366997 B CN 105366997B CN 201510859776 A CN201510859776 A CN 201510859776A CN 105366997 B CN105366997 B CN 105366997B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
Include asphalt binder and mineral aggregate gradation the present invention relates to road surface pit repairing material under road surface pit repairing material and its construction treating methods, cryogenic conditions under a kind of cryogenic conditions, the composition and mixture proportion of the asphalt binder are：100 parts of pitch, 4~7 parts of SESB asphalt modifiers, 2~6 parts of 80 mesh rubber powder granules, 2~4 parts of dibutyl ester, and 8~12 parts of diesel oil.Road surface pit repairing material most outstanding feature is that it can carry out road pit repairing under such as 10 DEG C of low temperature environment under the cryogenic conditions of the present invention, and good service behaviour can be kept, to lifting the use quality of low-temperature space road, promoting the development of transportation business significant.
Description
Technical field
The invention belongs to road engineering maintenance and repair technology field, road surface pit repairing under more particularly to a kind of cryogenic conditions
Material and its construction treating methods.
Background technology
Road engineering especially asphalt concrete pavement is during use by under Vehicle Load, low temperature environment
Souring of temperature action, the immersion of water and flowing pressure etc., causes road surface easily to occur serial disease, wherein to traffic shadow
Ring the maximum pit disease produced for road surface.This kind of pavement disease causes road traffic produces to jolt to cause road-ability tight
Reduce again, while larger pit is totally unfavorable to traffic safety.Another aspect road surface produce pit disease after, rainwater or
Snow-broth after person is melted can be penetrated into inside pavement structure, aggravated the Moisture Damage on road surface and caused the disease high progression of road, right
The normal operation of road traffic produces great detrimental effect, so the pit disease on road surface must be repaired timely.
Because asphalt mixture material is that notable response to temperature material causes the construction quality and temperature conditionss of asphalt
With directly related property, so the engineering such as the construction of Series of Asphalt compound, maintenance link is carried out in temperature higher season,
Above-mentioned engineering activity can typically be selected in late spring and summer and carry out for northern area, same for traditional road surface pit repairing
Sample is also carried out within this period.For diseases such as the new pits that occurs after maintenance engineering due to traditional maintenance technology
Constraint, is not suitable for carrying out maintenance operation under cryogenic conditions, therefore can only complete within the high temperature period in next year.Current generation, road
The maintenance management department on road repairs the diseases such as the pit that means are limited, produced in this stage to the road disease of (low temperature) in the period
On the one hand evil significantly affects road-ability and traffic safety；On the other hand road surface leak can be caused by being not added with the pit disease of disposal
Aggravate the disease occurrence degree on road surface, causing the maintenance cost in next year increases.
The content of the invention
The invention solves the problems that in the prior art in the low temperature period the limited technical problem of road disease maintenance means there is provided one
Plant road surface pit repairing material and its construction treating methods under cryogenic conditions.
The technical problem that road surface pit can not be repaired in low temperature season can be effectively solved using the present invention, has broken tradition
The limitation of recovery technique, the use quality of maintenance level, improvement road surface for lifting road surface is significant.
In order to solve the above-mentioned technical problem, technical scheme is specific as follows：
Pit repairing material in road surface under a kind of cryogenic conditions, including：
Asphalt binder, the composition and mixture proportion of the asphalt binder are：100 parts of pitch, 4~7 parts of SESB
Asphalt modifier, 2~6 parts of 80 mesh rubber powder granules, 2~4 parts of dibutyl ester, and 8~12 parts of diesel oil；
Mineral aggregate gradation, the accumulative of the mineral aggregate gradation be by percentage：
16.0mm sieve apertures are limited to 100 thereon, and lower limit is 95；
13.2mm sieve apertures are limited to 100 thereon, and lower limit is 80；
9.5mm sieve apertures are limited to 80 thereon, and lower limit is 60；
4.75mm sieve apertures are limited to 60 thereon, and lower limit is 30；
2.36mm sieve apertures are limited to 40 thereon, and lower limit is 10；
1.18mm sieve apertures are limited to 20 thereon, and lower limit is 5；
0.6mm sieve apertures are limited to 15 thereon, and lower limit is 0；
0.3mm sieve apertures are limited to 12 thereon, and lower limit is 0；
0.15mm sieve apertures are limited to 8 thereon, and lower limit is 0；
0.075mm sieve apertures are limited to 5 thereon, and lower limit is 0.
In the above-mentioned technical solutions, the accumulative of the mineral aggregate gradation is by percentage：
16.0mm sieve apertures are 97；
13.2mm sieve apertures are 90；
9.5mm sieve apertures are 70；
4.75mm sieve apertures are 45；
2.36mm sieve apertures are 25；
1.18mm sieve apertures are 13；
0.6mm sieve apertures are 8；
0.3mm sieve apertures are 6；
0.15mm sieve apertures are 4；
0.075mm sieve apertures are 3.
In the above-mentioned technical solutions, the composition and mixture proportion of the asphalt binder are：100 parts of pitch, 5 parts
SESB asphalt modifiers, 4 parts of 80 mesh rubber powder granules, 3 parts of dibutyl ester, and 10 parts of diesel oil.
In the above-mentioned technical solutions, the composition and mixture proportion of the asphalt binder are：100 parts of pitch, 6 parts
SESB asphalt modifiers, 5 parts of 80 mesh rubber powder granules, 3.5 parts of dibutyl ester, and 11 parts of diesel oil.
In the above-mentioned technical solutions, the composition and mixture proportion of the asphalt binder are：100 parts of pitch, 5.5 parts
SESB asphalt modifiers, 3 parts of 80 mesh rubber powder granules, 2.5 parts of dibutyl ester, and 9 parts of diesel oil.
The construction treating methods of road surface pit repairing material, comprise the following steps under above-mentioned cryogenic conditions：
(1) clean surface is handled, and cuts the pit of irregular shape using cutting equipment, is allowed to possess regular shape
Shape, while pit bottom and side Bi Deng surfaces are drifted along removing using blast apparatus；
(2) pit interface the pre-heat treatment, 50~60 DEG C are preheated to using associated heat equipment by pit interface；
(3) pit interface coating sticking layer oil, construction requirement is consistent with common sticking layer oil.
The present invention has following beneficial effect
The present invention is developed a kind of can carry out the asphalt of road pit repairing, this kind under lower temperature conditions
Road surface pit repairing material is made up of asphalt binder and mineral aggregate gradation, and wherein asphalt binder is dripped by common 90# pitches, SEBS
The diesel oil composition that blue or green modifying agent, 80 mesh rubber powder granules, dibutyl ester and construction stage are mixed into.The composition requirement of mineral aggregate gradation is shown in Fig. 5.
This kind of pit repairing material most outstanding feature is that it can carry out road pit repairing (such as -10 DEG C) at low ambient temperatures, and
Good service behaviour can be kept, there is weight to lifting the development of use quality, promotion transportation business of low-temperature space road
Want meaning.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the main component of the asphalt binder of the present invention, is common 90# pitches；
Fig. 2 is a kind of main addition material in the asphalt binder of the present invention, is SEBS asphalt modifiers, and it is to lifting
The bond effect of pitch is significant；
Fig. 3 is a kind of main addition material in the asphalt binder of the present invention, is 80 mesh rubber powder granules, this kind of material can
To be effectively improved the temperature-sensitive effect of plain asphalt, there is remarkable effect for the low temperature pavement performance for lifting pit repairing material；
Fig. 4 is the asphalt binder designed in the present invention, by common 90# pitches, SEBS asphalt modifiers, 80 mesh rubber powders
The materials such as grain, dibutyl ester are constituted；
Fig. 5 is the mineral aggregate gradation of the pit repairing material being applied under cold environmental conditions designed in the present invention, this kind of level
The service behaviour of pit repairing material under cryogenic conditions can be effectively ensured with substantial amounts of verification experimental verification is passed through.
Fig. 6 is using the road being applied under the low temperature environment hole prepared by the asphalt binder and mineral aggregate gradation of the present invention
Groove material for repairing, is the most direct achievement of the present invention.
Fig. 7, Fig. 8 describe a kind of experimental test technology, and wherein Fig. 7 is test philosophy schematic diagram, and Fig. 8 is experimental test dress
Put schematic diagram.This kind of measuring technology (test of interface pulling capacity) is an important experiment in research process of the present invention, with this examination
The composition that other ancillary tests determine the addition material of asphalt binder is combined based on testing.
Fig. 9 is affecting laws of the SEBS asphalt modifiers volume to interface pulling capacity, according to 5 DEG C and -10 DEG C of two temperature
Under the conditions of interface pulling capacity situation of change can be determined that the optimum adding quantity of pulverized of SEBS asphalt modifiers.
Figure 10 is affecting laws of the rubber powder volume to interface pulling capacity, according to the boundary under 5 DEG C and -10 DEG C of two temperature conditionss
Face pulling capacity situation of change can be determined that the optimum adding quantity of pulverized of 80 mesh rubber powder granules.
Embodiment
The core of the present invention to develop a kind of asphalt patching material, its can at low ambient conditions with hole
Groove contact surface possesses good bond effect and possesses good serial pavement performance, so as to ensure patching material in follow-up row
It is unlikely under car load repeated action to come off and occur other diseases.And the key solved the above problems is the asphalt binder of design
And to design of the level with progress respective design, i.e. completion road surface pit repairing material of asphalt.
The present invention, by experiment and theory analysis in detail, have developed based on engineering problem present in prior art
It is a kind of to be applicable the material for carrying out road surface pit repairing at low ambient conditions.The road surface pit repairing material is by asphalt binder
And mineral aggregate gradation is collectively formed, the asphalt of preparation with reference to corresponding construction technology can enter walking along the street under the conditions of -10 DEG C
The repairing of face pit and obtain good construction effect, it is ensured that road surface pit is after repairing, and patching material will not be anti-in load
Fallen off under multiple effect and with excellent pavement performance.The asphalt pit repairing material completed is designed by pitch knot
The mineral aggregate for closing material and matching somebody with somebody with level is collectively constituted, and wherein asphalt binder is by conventional 90# pitches (see Fig. 1), SEBS asphalt modifications
Agent (see Fig. 2), 80 mesh rubber powder granules (see Fig. 3) and phase solvent dibutyl ester composition, the present invention prepare the asphalt binder completed and seen
The mineral aggregate gradation designed in Fig. 4, the present invention is shown in Fig. 5, and the road surface pit repairing asphalt of design is shown in Fig. 6.
Below to be described further with reference to accompanying drawing to the present invention, and it is in conjunction with the embodiments right (by taking Panjin 90# pitches as an example)
The present invention is described further：
Embodiment 1
(1) composition material of asphalt binder is determined：Asphalt binder should possess workability good under cryogenic conditions
Can, i.e., there is the ability at good " wetting " pit interface, while having after the completion of decking and rolling process excellent under cryogenic conditions
Good pit interfacial adhesion effect.Possess above-mentioned this kind of material for repairing of service behaviour to realize before pit repairing under cryogenic
Condition is put forward, and is the core technology of this kind of pit repairing material.Will for the basic of asphalt binder in the above-mentioned material to pit repairing
Ask and understand, should try one's best select high grade pitch to improve its " wetting " effect to pit interface in the design process, so
The present invention chooses common 90# pitches (by taking Panjin 90# pitches as an example) as the main material of binder during design, sees
Accompanying drawing 1.Asphalt binder is after its good " wetting " effect is ensured, it should possess preferable bond effect, by substantial amounts of
Experiment sieving, it is determined that adding SEBS asphalt modifiers in common 90# pitches, this kind of modifying agent can be played significantly to plain asphalt
Viscosifying action, it is ensured that this kind of pit repairing material with pit interface is having firm cementation after the compacting that paves,
SEBS asphalt modifiers are shown in accompanying drawing 2.One has been mixed into order to improve in the service behaviour under pit repairing material low temperature environment, binder
80 mesh rubber powder granules of certainty ratio, are shown in accompanying drawing 3.To increase the effect that mixes of above-mentioned addition material and common 90# pitches, in pitch
A certain proportion of dibutyl ester, and the asphalt binder being successfully prepared in road pit repairing material are mixed into binder, accompanying drawing is seen
4。
(2) ratio of each composition material of asphalt binder：SEBS asphalt modifiers are primarily looked to 5 DEG C of asphalt binder
And the influence of -10 DEG C of anchoring effects, alternative mixture proportion is 4%, 5%, 7% (aforementioned proportion is the percentage of asphalt quality),
By test above-mentioned several alternative mixture proportions to pitch the drawing force value under the conditions of 5 DEG C and -10 DEG C, it is determined that rational SEBS drips
The mixture proportion of blue or green modifying agent.(test data sees attached list 1,2,3, and data analysis is shown in attached for Experimental Comparison and analysis by system
Fig. 9), the mixture proportion of SEBS asphalt modifiers is 5% in the present embodiment；According to the thinking (experiment of same experiment and analysis
Data see attached list 4,5,6, and accompanying drawing 10 is shown in data analysis), the mixture proportion for determining 80 mesh rubber powder granules in the present embodiment is 4%,
The dosage of mixing that dibutyl ester in the present embodiment is determined based on intermiscibility test analysis is 3%, and this reality is determined based on practice of construction experiment
It is 10% to apply diesel oil consumption in example.
The interface pulling capacity test result of table 1 (SEBS volumes are 4%)
The interface pulling capacity test result of table 2 (SEBS volumes are 5%)
The interface pulling capacity test result of table 3 (SEBS volumes are 7%)
(SEBS volumes are 5% to the interface pulling capacity test result of table 4, and 2%) 80 mesh rubber powder granule volumes is
(SEBS volumes are 5% to the interface pulling capacity test result of table 5, and 4%) 80 mesh rubber powder granule volumes is
(SEBS volumes are 5% to the interface pulling capacity test result of table 6, and 6%) 80 mesh rubber powder granule volumes is
(3) mineral aggregate gradation employed in pit repairing compound：The level of pit repairing compound Mineral Material matches somebody with somebody characteristic pair
Material for repairing service behaviour influence under cryogenic conditions is notable.Understood by analysis of experiments in mineral aggregate gradation if coarse aggregate content is inclined
Many, the pit repairing carried out under cryogenic conditions can produce the possibility that material for repairing comes off, so to ensure to carry out within the low temperature period
Pit repairing there is good effect, gradation design during should strictly control the content of coarse aggregate.R＆D team is final
Mineral aggregate gradation is determined, the actual repairing project checking of the test of Binding experiment room and field is final to determine by detailed comparative analysis
Accompanying drawing 5 is shown in mineral aggregate gradation feature suitable for carrying out pit repairing in the low temperature period, specific requirement.For specific sieve aperture,
The upper limit, lower limit and the suggestion level of its accumulative percent of pass (percentage) are with intermediate value according to following design：16.0mm sieve apertures are limited to thereon
100, lower limit is 95, it is proposed that intermediate value is 97；13.2mm sieve apertures are limited to 100 thereon, and lower limit is 80, it is proposed that intermediate value is 90；9.5mm sieve
Hole is limited to 80 thereon, and lower limit is 60, it is proposed that intermediate value is 70；4.75mm sieve apertures are limited to 60 thereon, and lower limit is 30, it is proposed that intermediate value is
45；2.36mm sieve apertures are limited to 40 thereon, and lower limit is 10, it is proposed that intermediate value is 25；1.18mm sieve apertures are limited to 20 thereon, and lower limit is 5, is built
It is 13 to discuss intermediate value；0.6mm sieve apertures are limited to 15 thereon, and lower limit is 0, it is proposed that intermediate value is 8；0.3mm sieve apertures are limited to 12 thereon, and lower limit is
0, it is proposed that intermediate value is 6；0.15mm sieve apertures are limited to 8 thereon, and lower limit is 0, it is proposed that intermediate value is 4；0.075mm sieve apertures are limited to 5 thereon, under
It is limited to 0, it is proposed that intermediate value is 3.
(4) preparation and construction of road pit repairing compound：Determine that pit repairing is mixed based on indoor Marshall Test
The content of asphalt binder is the quality and asphalt (asphalt binder+mineral aggregate) of 5.5%, i.e. asphalt binder in material
Mass ratio is 5.5%.By materials such as SEBS asphalt modifiers, 80 mesh rubber powder granules and dibutyl esters in the preparation process of compound
Directly add, made by means of the shear action of compound mix process Mineral Material formation above-mentioned several during compound mix
Outer-penetrating agent is uniformly distributed in compound and plays due function, it should be noted that be the pitch of lifting low temperature period
Service behaviour, needs a certain amount of diesel oil (the 10% of asphalt quality) being mixed into compound during compound mix.
Pit repairing compound other technical requirements in preparation process are consistent with plain asphalt compound in the present invention, and it is special not do
Explanation.In order to ensure that road surface pit repairing material has good service behaviour during military service from now on, former road surface pit exists
Pave and pass through following processing before material for repairing：(1) clean surface is handled, i.e., carried out the pit of irregular shape using cutting equipment
Cutting, is allowed to possess regular shape, generally rectangular cross-section, while pit bottom and side Bi Deng surfaces are drifted along clearly using blast apparatus
Remove；(2) pit interface only need to be preheated to 50-60 DEG C i.e. by pit interface the pre-heat treatment, this link using associated heat equipment
Can, the pit repairing compound in the present invention can form firm bond effect under such a temperature conditionss；(3) pit interface
Sticking layer oil is coated with, construction requirement is consistent with common sticking layer oil.
Embodiment 2
Unlike embodiment 1, the mixture proportion of asphalt binder is in the pit repairing compound of road surface：
100 parts of pitch, 4 parts of SESB asphalt modifiers, 2 parts of 80 mesh rubber powder granules, 2 parts of dibutyl ester, and 8 parts
Diesel oil.
Interface pulling capacity test result is：
Embodiment 3
Unlike embodiment 1, the mixture proportion of asphalt binder is in the pit repairing compound of road surface：
100 parts of pitch, 7 parts of SESB asphalt modifiers, 6 parts of 80 mesh rubber powder granules, 4 parts of dibutyl ester, and 12
The diesel oil of part.
Interface pulling capacity test result is：
Embodiment 4
Unlike embodiment 1, the mixture proportion of asphalt binder is in the pit repairing compound of road surface：
100 parts of pitch, 5 parts of SESB asphalt modifiers, 4 parts of 80 mesh rubber powder granules, 3 parts of dibutyl ester, and 10
The diesel oil of part.
Interface pulling capacity test result is：
Embodiment 5
Unlike embodiment 1, the mixture proportion of asphalt binder is in the pit repairing compound of road surface：
100 parts of pitch, 6 parts of SESB asphalt modifiers, 5 parts of 80 mesh rubber powder granules, 3.5 parts of dibutyl ester, and
11 parts of diesel oil.
Interface pulling capacity test result is：
Embodiment 6
Unlike embodiment 1, the mixture proportion of asphalt binder is in the pit repairing compound of road surface：
100 parts of pitch, 5.5 parts of SESB asphalt modifiers, 3 parts of 80 mesh rubber powder granules, 2.5 parts of dibutyl ester, with
And 9 parts of diesel oil.
Interface pulling capacity test result is：
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (6)
1. one kind can be used in pit repairing material in road surface under -10 DEG C of cryogenic conditions, it is characterised in that by asphalt binder and ore deposit
Material composition；The quality of the asphalt binder is 5.5% with asphalt binder and the ratio of the gross mass of mineral aggregate；
The composition and mixture proportion of the asphalt binder be：100 parts of pitch, 4~7 parts of SEBS asphalt modifiers, 2~6
Part 80 mesh rubber powder granules, 2~4 parts of dibutyl ester, and 8~12 parts of diesel oil；
The pitch is common 90# pitches；
The sieve aperture of the mineral aggregate gradation requirement is accumulative to be by percentage：
16.0mm sieve apertures are limited to 100 thereon, and lower limit is 95；
13.2mm sieve apertures are limited to 100 thereon, and lower limit is 80；
9.5mm sieve apertures are limited to 80 thereon, and lower limit is 60；
4.75mm sieve aperture is limited to 60 thereon, lower limit is 30；
2.36mm sieve apertures are limited to 40 thereon, and lower limit is 10；
1.18mm sieve apertures are limited to 20 thereon, and lower limit is 5；
0.6mm sieve apertures are limited to 15 thereon, and lower limit is 0；
0.3mm sieve apertures are limited to 12 thereon, and lower limit is 0；
0.15mm sieve apertures are limited to 8 thereon, and lower limit is 0；
0.075mm sieve apertures are limited to 5 thereon, and lower limit is 0.
2. according to claim 1 can be used in pit repairing material in road surface under -10 DEG C of cryogenic conditions, it is characterised in that
The sieve aperture of the mineral aggregate gradation requirement is accumulative to be by percentage：
16.0mm sieve apertures are 97；
13.2mm sieve apertures are 90；
9.5mm sieve apertures are 70；
4.75mm sieve apertures are 45；
2.36mm sieve apertures are 25；
1.18mm sieve apertures are 13；
0.6mm sieve apertures are 8；
0.3mm sieve apertures are 6；
0.15mm sieve apertures are 4；
0.075mm sieve apertures are 3.
3. according to claim 1 or 2 can be used in pit repairing material in road surface under -10 DEG C of cryogenic conditions, its feature exists
In,
The composition and mixture proportion of the asphalt binder be：100 parts of pitch, 5 parts of SEBS asphalt modifiers, the 80 of 4 parts
Mesh rubber powder granule, 3 parts of dibutyl ester, and 10 parts of diesel oil.
4. according to claim 1 or 2 can be used in pit repairing material in road surface under -10 DEG C of cryogenic conditions, its feature exists
In,
The composition and mixture proportion of the asphalt binder be：100 parts of pitch, 6 parts of SEBS asphalt modifiers, the 80 of 5 parts
Mesh rubber powder granule, 3.5 parts of dibutyl ester, and 11 parts of diesel oil.
5. according to claim 1 or 2 can be used in pit repairing material in road surface under -10 DEG C of cryogenic conditions, its feature exists
In,
The composition and mixture proportion of the asphalt binder be：100 parts of pitch, 5.5 parts of SEBS asphalt modifiers, 3 parts
80 mesh rubber powder granules, 2.5 parts of dibutyl ester, and 9 parts of diesel oil.
6. the construction treating methods that can be used in pit repairing material in road surface under -10 DEG C of cryogenic conditions described in claim 1, its
It is characterised by, comprises the following steps：
(1) clean surface is handled, and cuts the pit of irregular shape using cutting equipment, is allowed to possess regular shape,
Pit bottom and side Bi Deng surfaces are drifted along removing using blast apparatus simultaneously；
(2) pit interface the pre-heat treatment, 50~60 DEG C are preheated to using associated heat equipment by pit interface；
(3) pit interface coating sticking layer oil, construction requirement is consistent with common sticking layer oil.
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| CN201510859776.3A CN105366997B (en) | 2015-12-01 | 2015-12-01 | Road surface pit repairing material and its construction treating methods under cryogenic conditions |
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| CN201510859776.3A CN105366997B (en) | 2015-12-01 | 2015-12-01 | Road surface pit repairing material and its construction treating methods under cryogenic conditions |
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| US5667578A (en) * | 1996-09-24 | 1997-09-16 | Westvaco Corporation | Adhesion promoters for anionic bituminous emulsions |
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| CN102070313B (en) * | 2010-11-10 | 2013-03-06 | 郭根才 | Additive-free cold patch asphalt material and preparation method thereof |
| CN103043962B (en) * | 2011-10-17 | 2015-04-01 | 中国石油化工股份有限公司 | Mixture for normal-temperature repairing of asphalt pavement pits, and preparation method and application thereof |
| CN103570279B (en) * | 2013-10-25 | 2015-05-20 | 广东易山重工股份有限公司 | Material for rapidly and effectively repairing pits in bituminous pavement and preparation method of material |
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