CN105199666A - Production and construction technologies of road sealant - Google Patents
Production and construction technologies of road sealant Download PDFInfo
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- CN105199666A CN105199666A CN201510743781.8A CN201510743781A CN105199666A CN 105199666 A CN105199666 A CN 105199666A CN 201510743781 A CN201510743781 A CN 201510743781A CN 105199666 A CN105199666 A CN 105199666A
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Abstract
The invention relates to the technical field of road repair, in particular to production and construction technologies of a road sealant applicable to road crack repair of pavements made of various materials. The road sealant mainly comprises 29% by mass of matrix asphalt, 15% by mass of fine rubber powder, 45% by mass of fossil meal, 0.4% by mass of SBS (styrene butadiene styrene) modified asphalt, 0.4% by mass of butadiene styrene rubber powder, 0.1% by mass of an active agent, 0.1% by mass of a tackifier and 10% by mass of diesel oil. The road sealant has high applicability, can be widely applied to crack pouring repair of asphalt pavements such as asphalt and concrete highways, expressways, high-grade highways, urban highways, airport runways and the like as well as seam sealing repair of cement concrete pavements and can be further applied to expansion joints of bridges or structures; when the construction technology is adopted for construction, the driving feeling on the repaired road is excellent, the traffic noise is small, and various problems that cannot be solved with the traditional technology can be solved by the aid of the excellent sealing performance, waterproofness, high-strength adhesion, high-temperature resistance, good low-temperature adhesion and the like of the road sealant.
Description
Technical field
The present invention relates to a kind of technical field being applied to road repair, espespecially a kind of a kind of Road sealant that can be applicable to the repairing road cracks on various material road surface is produced and construction technology.
Background technology
Usually be all confined to split to the maintenance of bituminous pavement and cement pavement the short-term repairing at position, a lot of bridge is all at junction dew rainwater, the lifetime of the highway/road of Xia Shi repeatedly of traffic load, also will through maintenance processes after repairing, not only complex process maintenance cost is high, and repair after quality not good, the life-span is not long; Although market there is the method adopting Road sealant to mend a split, but traditional heat melts the micro-cracks that the seal gum cementation of fissures is only applicable to the road crust caused by the contraction of surface material and the periodical change of temperature, be directed to the reflection crack that road surface causes because of basic unit or roadbed reason then no longer applicable.
Summary of the invention
For the deficiencies in the prior art, the present invention is intended to openly a kind ofly can be applicable to a kind of Road sealant that asphalt roads or cement road can repair sealing crack on road by easy method and produce and construction technology.
For achieving the above object, the technical solution used in the present invention is: a kind of Road sealant, described seal gum is the matrix pitch of 29% primarily of mass percent, the thin rubber powder of 15%, the fossil meal of 45%, the SBS modifying asphalt of 0.4%, the styrene-butadiene rubber(SBR) rubber powder of 0.4%, the promoting agent of 0.1%, the tackifier of 0.1% and the diesel oil composition of 10%.
A kind of production technique of Road sealant: described production technique mainly comprises the following steps:
Step one: get matrix pitch according to the above ratio, is placed in pitch circulation tank by matrix pitch, open agitating function and heating function, is uniformly heated to by matrix pitch and then adds talcum powder according to the above ratio between 150-180 DEG C and stir;
Step 2: get SBS modifying asphalt, thin rubber powder and styrene-butadiene rubber(SBR) rubber powder according to the above ratio, be put into and mix in tank, adds promoting agent and tackifier in proportion and stirs after being heated to molten state;
Step 3: be added in the matrix pitch of step one by the mixture of molten state in step 2, cools after being stirred to fully mixing, finally adds diesel oil in proportion, stir, become solid block after cooling, get final product discharging.
A construction technology for Road sealant, described construction technology mainly comprises the following steps:
Step one: cleaning crack; Carry out the operation of cleaning crack with road surface crack-cleaning machine, broom or pressurized air along seam direction, except dust and loose particle, if fracture width and the degree of depth are less than 1cm, fracture to carry out slot treatment, make it slot after width and the degree of depth between 1-2cm;
Step 2: fire crack; With high temperature rifle high bake hole groove, remove moisture and moisture, before enforcement cementation of fissures step, make the temperature of edge of crack between 7-18 DEG C, or temperature is higher;
Step 3: cementation of fissures operation; The heat seal glue of bulk is heated to the fused solution with mobility and ductility, then encapsulating is carried out to crack on road, encapsulating processing temperature is made to be between 180-210 DEG C with high temperature rifle continuous heating, namely the time making the seal gum in crack continue to be in fused solution is greater than 1 minute, seal gum is permeated downwards more by duct, crack, increases bond area;
Step 4: cooling road surface; After having watered crack, by shakeouing, the operation such as extruding, seal gum is made tightly to seal up naturally cooling behind crack, seal gum can become superpower ductility and close-burning black colloid, pavement crack and seam can be sealed efficiently, and keep sealing effectiveness for a long time, can resume traffic after being cooled to normal temperature sealing glue solidifying.
In solid block under described seal gum normal temperature, after heating and melting, become superpower ductility and close-burning black glue
Body.
Beneficial effect of the present invention is embodied in: the Road sealant suitability that the present invention produces is strong, pitch can be widely used in, Concrete Highway, motorway, high-grade highway, municipal highway, the cementation of fissures repairing of the bituminous pavements such as airfield runway and the joint seal reparation of cement concrete pavement, also can apply in the expansion joint being included in bridge or structure, seal gum coordinative construction technique of the present invention is adopted to construct, the road after repairing is made to feel excellent by bus, the noise that is open to traffic is little, its outstanding stopping property, water-repellancy, the cohesiveness of high strength, high thermal resistance, good low temperature bondings etc. can solve the problem that a lot of conventional art cann't be solved, waterproof problem as expansion joints without seals prevents Parameters of Bridge Steel Under from corroding, because the seam after mending is gapless, can the problem of anti-gray and various road grime, seal gum has elastic recovery rate simultaneously, solve the problem of stroke, good cohesiveness solves the problem of cracking resistance in winter, the softening temperature of seal gum is 95 DEG C of problems solving harm distortion in summer, compensate for conventional telescopic seam around to produce and easily occur the shortcomings such as hole, road in crack.
Embodiment
Below in conjunction with specific embodiment, the specific embodiment of the present invention is described:
A kind of Road sealant, described seal gum is the matrix pitch of 29% primarily of mass percent, the thin rubber powder of 15%, the fossil meal of 45%, the SBS modifying asphalt of 0.4%, the styrene-butadiene rubber(SBR) rubber powder of 0.4%, the promoting agent of 0.1%, the tackifier of 0.1% and the diesel oil composition of 10%.
A kind of production technique of Road sealant: described production technique mainly comprises the following steps:
Step one: get matrix pitch according to the above ratio, is placed in pitch circulation tank by matrix pitch, open agitating function and heating function, is uniformly heated to by matrix pitch and then adds talcum powder according to the above ratio between 150-180 DEG C and stir;
Step 2: get SBS modifying asphalt, thin rubber powder and styrene-butadiene rubber(SBR) rubber powder according to the above ratio, be put into and mix in tank, adds promoting agent and tackifier in proportion and stirs after being heated to molten state;
Step 3: be added in the matrix pitch of step one by the mixture of molten state in step 2, cools after being stirred to fully mixing, finally adds diesel oil in proportion, stir, become solid block after cooling, get final product discharging.
A construction technology for Road sealant, described construction technology mainly comprises the following steps:
Step one: cleaning crack, use road surface crack-cleaning machine, broom or pressurized air carry out the operation of cleaning crack along seam direction, except dust and loose particle, not through high pressure gas cleaning material binding loosen aggregate above, cause bonding loosely, at water, sandstone, under the effect of wheel, material binding aggregate and is split away off, if fracture width and the degree of depth are less than 1cm, to slot according to the practical situation in crack, as needed fluting, groove depth and width need to 1-2CM, because materials'use amount is fewer, in the environment shunk winter, material under a stretching force, become very thin, simultaneously under the effect that repeatedly rolls of wheel, the aggregate opening one side of groove is pressed very loosening, opening part becomes non-constant width, originally the material be bonded on firm slotted wall loses effect due to loosening of aggregate, groove depth 1-2CM, when can ensure that winter stretches like this, enough materials are had to ensure to stretch.
Step 2: fire crack; With high temperature rifle high bake hole groove, remove moisture and moisture, have and thoroughly remove moisture, base joint grouting glue construction effect is not good, make the temperature of edge of crack between 7-18 DEG C, or temperature is higher before enforcement cementation of fissures step; No heating lip temperature to 7 DEG C-18 DEG C, dispose Practical experiments through seam for many years to prove, the main manifestations of seam maintenance failure is that base joint grouting glue glue and seam two wall fail firmly to bond, the performance of main and base joint grouting glue, gap mix dirt whether thoroughly remove and construction time envrionment temperature relevant, therefore selection construction seasons and deterioration is extremely important with the base joint grouting glue of suitable local construction environment.
Step 3: cementation of fissures operation; The heat seal glue of bulk is heated to the fused solution with mobility and ductility, then encapsulating is carried out to crack on road, encapsulating processing temperature is made to be between 180-210 DEG C with high temperature rifle continuous heating, namely the time making the seal gum in crack continue to be in fused solution is greater than 1 minute, seal gum is permeated downwards more by duct, crack, increases bond area; When carrying out cementation of fissures operation, slightly lower than road surface a bit, such tire just rolls not material to the sealant material during cementation of fissures, simultaneously because the cohesiveness of material itself is relatively good, can ensure sealing effectiveness.The relational expression of pavement temperature and base joint grouting glue construction temperature obtains the important factor of excellent sealing effect, and seal gum is by spray in the groove held successfully, and the time length keeping liquid state a bit, can make seal gum permeate more by duct, crack downwards, increase bond area.Due to seal gum, to run into cool road surface setting rate faster to hot road surface than construction, therefore, take into full account both relations, determine construction temperature.
Step 4: cooling road surface; After having watered crack, by shakeouing, the operation such as extruding, seal gum is made tightly to seal up naturally cooling behind crack, seal gum can become superpower ductility and close-burning black colloid, pavement crack and seam can be sealed efficiently, and keep sealing effectiveness for a long time, can resume traffic after being cooled to normal temperature sealing glue solidifying.
In solid block under described seal gum normal temperature, after heating and melting, become superpower ductility and close-burning black colloid.
Embodiment one: adopt technology of the present invention to produce 1 ton of Road sealant.
Get a kind of Road sealant, described seal gum is the matrix pitch of 0.29 ton primarily of mass percent, the thin rubber powder of 0.15 ton, the fossil meal of 0.45 ton, the SBS modifying asphalt of 0.04 ton, the styrene-butadiene rubber(SBR) rubber powder of 0.04 ton, the promoting agent of 0.01 ton, the diesel oil of the tackifier of 0.01 ton and 0.1 ton, matrix pitch is placed in pitch circulation tank, open agitating function and heating function, matrix pitch is uniformly heated to and then adds talcum powder according to the above ratio between 150-180 DEG C and stir; By SBS modifying asphalt, thin rubber powder and styrene-butadiene rubber(SBR) rubber powder, be put into and mix in tank, add promoting agent and tackifier after being heated to molten state in proportion and stir; The mixture of molten state is added in the matrix pitch of step one, cools after being stirred to fully mixing, finally add diesel oil in proportion, stir, after cooling, become solid block, get final product discharging.
Embodiment two: adopt technology of the present invention to produce 2 tons of Road sealant.
Get a kind of Road sealant, described seal gum is the matrix pitch of 0.58 ton primarily of mass percent, the thin rubber powder of 0.30 ton, the fossil meal of 0.90 ton, the SBS modifying asphalt of 0.08 ton, the styrene-butadiene rubber(SBR) rubber powder of 0.08 ton, the promoting agent of 0.02 ton, the diesel oil of the tackifier of 0.02 ton and 0.2 ton, matrix pitch is placed in pitch circulation tank, open agitating function and heating function, matrix pitch is uniformly heated to and then adds talcum powder according to the above ratio between 150-180 DEG C and stir; By SBS modifying asphalt, thin rubber powder and styrene-butadiene rubber(SBR) rubber powder, be put into and mix in tank, add promoting agent and tackifier after being heated to molten state in proportion and stir; The mixture of molten state is added in the matrix pitch of step one, cools after being stirred to fully mixing, finally add diesel oil in proportion, stir, after cooling, become solid block, get final product discharging.
Test by the Road sealant that the present embodiment one is produced, draw the result of following physicals:
The Road sealant produce embodiment one and asphalt oil and other brand seal gum performance comparison, draw to draw a conclusion:
To sum up, the Road sealant suitability that the present invention produces is strong, pitch can be widely used in, Concrete Highway, motorway, high-grade highway, municipal highway, the cementation of fissures repairing of the bituminous pavements such as airfield runway and the joint seal reparation of cement concrete pavement, also can apply in the expansion joint being included in bridge or structure, seal gum coordinative construction technique of the present invention is adopted to construct, the road after repairing is made to feel excellent by bus, the noise that is open to traffic is little, its outstanding stopping property, water-repellancy, the cohesiveness of high strength, high thermal resistance, good low temperature bondings etc. can solve the problem that a lot of conventional art cann't be solved, waterproof problem as expansion joints without seals prevents Parameters of Bridge Steel Under from corroding, because the seam after mending is gapless, can the problem of anti-gray and various road grime, seal gum has elastic recovery rate simultaneously, solve the problem of stroke, good cohesiveness solves the problem of cracking resistance in winter, the softening temperature of seal gum is 95 DEG C of problems solving harm distortion in summer, compensate for conventional telescopic seam around to produce and easily occur the shortcomings such as hole, road in crack.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, the technician of the industry, under the inspiration of the technical program, some distortion and amendment can be made, every above embodiment is done according to technical spirit of the present invention any amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a Road sealant, it is characterized in that: described seal gum is the matrix pitch of 29% primarily of mass percent, the thin rubber powder of 15%, the fossil meal of 45%, the SBS modifying asphalt of 0.4%, the styrene-butadiene rubber(SBR) rubber powder of 0.4%, the promoting agent of 0.1%, the tackifier of 0.1% and the diesel oil composition of 10%.
2. the production technique of a Road sealant: it is characterized in that: described production technique mainly comprises the following steps:
Step one: get matrix pitch according to the above ratio, is placed in pitch circulation tank by matrix pitch, open agitating function and heating function, is uniformly heated to by matrix pitch and then adds talcum powder according to the above ratio between 150-180 DEG C and stir;
Step 2: get SBS modifying asphalt, thin rubber powder and styrene-butadiene rubber(SBR) rubber powder according to the above ratio, be put into and mix in tank, adds promoting agent and tackifier in proportion and stirs after being heated to molten state;
Step 3: be added in the matrix pitch of step one by the mixture of molten state in step 2, cools after being stirred to fully mixing, finally adds diesel oil in proportion, stir, become solid block after cooling, get final product discharging.
3. the construction technology of a Road sealant: it is characterized in that: described construction technology mainly comprises the following steps:
Step one: cleaning crack; Carry out the operation of cleaning crack with road surface crack-cleaning machine, broom or pressurized air along seam direction, except dust and loose particle, if fracture width and the degree of depth are less than 1cm, fracture to carry out slot treatment, make it slot after width and the degree of depth between 1-2cm;
Step 2: fire crack; With high temperature rifle high bake hole groove, remove moisture and moisture, before enforcement cementation of fissures step, make the temperature of edge of crack between 7-18 DEG C, or temperature is higher;
Step 3: cementation of fissures operation; The heat seal glue of bulk is heated to the fused solution with mobility and ductility, then encapsulating is carried out to crack on road, encapsulating processing temperature is made to be between 180-210 DEG C with high temperature rifle continuous heating, namely the time making the seal gum in crack continue to be in fused solution is greater than 1 minute, seal gum is permeated downwards more by duct, crack, increases bond area;
Step 4: cooling road surface; After having watered crack, by shakeouing, the operation such as extruding, seal gum is made tightly to seal up naturally cooling behind crack, seal gum can become superpower ductility and close-burning black colloid, pavement crack and seam can be sealed efficiently, and keep sealing effectiveness for a long time, can resume traffic after being cooled to normal temperature sealing glue solidifying.
4. the Road sealant according to any one of claim 1-3, is characterized in that: in solid block under described seal gum normal temperature, become superpower ductility and close-burning black colloid after heating and melting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510743781.8A CN105199666B (en) | 2015-11-05 | 2015-11-05 | A kind of production of Road sealant and its construction technology |
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| CN201510743781.8A CN105199666B (en) | 2015-11-05 | 2015-11-05 | A kind of production of Road sealant and its construction technology |
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| CN105199666A true CN105199666A (en) | 2015-12-30 |
| CN105199666B CN105199666B (en) | 2018-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308571A (en) * | 2021-12-30 | 2022-04-12 | 江苏龙源振华海洋工程有限公司 | Flange sealant breakpoint-free smearing process applied to installation of offshore wind turbine |
| CN115286853A (en) * | 2022-08-31 | 2022-11-04 | 侯马市怡达汽车销售有限公司 | Welding fusion strip for highway cracks and welding fusion crack pouring process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982517A (en) * | 2010-11-18 | 2011-03-02 | 天津市耀新科技发展有限公司 | Modified asphalt adhesive and preparation method thereof |
| CN102251464A (en) * | 2011-04-21 | 2011-11-23 | 高伟 | Asphalt pavement crack pouring process and pavement crack repair agent |
| CN102924931A (en) * | 2011-08-08 | 2013-02-13 | 赵金叶 | Novel pavement crack pouring material |
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2015
- 2015-11-05 CN CN201510743781.8A patent/CN105199666B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982517A (en) * | 2010-11-18 | 2011-03-02 | 天津市耀新科技发展有限公司 | Modified asphalt adhesive and preparation method thereof |
| CN102251464A (en) * | 2011-04-21 | 2011-11-23 | 高伟 | Asphalt pavement crack pouring process and pavement crack repair agent |
| CN102924931A (en) * | 2011-08-08 | 2013-02-13 | 赵金叶 | Novel pavement crack pouring material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308571A (en) * | 2021-12-30 | 2022-04-12 | 江苏龙源振华海洋工程有限公司 | Flange sealant breakpoint-free smearing process applied to installation of offshore wind turbine |
| CN115286853A (en) * | 2022-08-31 | 2022-11-04 | 侯马市怡达汽车销售有限公司 | Welding fusion strip for highway cracks and welding fusion crack pouring process |
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| CN105199666B (en) | 2018-08-24 |
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