CN109797622A - A kind of local hot reproduction construction method - Google Patents
A kind of local hot reproduction construction method Download PDFInfo
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- CN109797622A CN109797622A CN201910070211.5A CN201910070211A CN109797622A CN 109797622 A CN109797622 A CN 109797622A CN 201910070211 A CN201910070211 A CN 201910070211A CN 109797622 A CN109797622 A CN 109797622A
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- asphalt
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Abstract
The present invention relates to a kind of local hot reproduction construction methods, belong to road construction technical field, have the advantages that make the SBR latex of modified emulsifying asphalt to be evenly distributed.Include the following steps: S1: hot reproducer on the spot heats original bituminous pavement；S2: pine is harrowed in the original road surface heated by milling machine；S3: original asphalt of rake pine is transported in remixer by transmitting device, upper SBR latex film is covered on the road surface for having harrowed original pitch simultaneously, regenerative agent and/or new pitch are added in remixer, stirring generates asphalt, and asphalt is covered on SBR latex film；S4: asphalt is paved；S5: the road surface to have paved is rolled.
Description
Technical field
The present invention relates to road construction technical field more particularly to a kind of local hot reproduction construction methods.
Background technique
In-situ heat regeneration is a kind of preventive maintenance.Using dedicated On-site heat recycling equipment, to bituminous pavement into
Row heating, milling, mix a certain number of new pitch, new pitch mixture, regenerative agent etc. on the spot, mix and stir, pave, roll through heat
Etc. processes, it is disposable to realize to the regenerated technology of original asphalt concrete pavement within the scope of the certain depth of surface.
In the prior art, it has proved that compared with regenerative agent, SBR latex is better than the improvement of aged asphalt performance
Regenerative agent especially makes the cryogenic property of aged asphalt get a promotion, and further enhances the high-temperature behavior of aged asphalt, this
The effect for resisting Heavy Traffic under the conditions of summer high temperature for regenerating mixture road surface has great importance.However it is also required to
See, SBR latex increases the viscosity of aged asphalt, if dosage is excessive, can come to the mix and compaction band of regenerating mixture
Difficulty, according to the test result of pitch, the additive amount of SBR latex is preferably the 4% of asphalt quality.
In the prior art, the Chinese patent of Publication No. CN207227884U discloses a kind of with ultra-thin wearing layer highly resistance
Track in-situ heat regeneration pavement structure, using SBR modified emulsifying asphalt as original asphalt concrete structure layer with regard to underground heat again
As articulamentum to improve the adhesive come between two articulamentums between raw blacktop, but as described in upper section, SBR glue
If the content excess of cream, can come to the mix and compaction band of regenerating mixture difficult.Although the ratio between SBR latex and pitch
Example is simple controllable for people, but stirs unevenness, will lead to modified emulsifying asphalt part too high levels, thus band
Carry out the above problem.
Summary of the invention
The purpose of the present invention is to provide a kind of local hot reproduction construction methods, have the SBR glue for making modified emulsifying asphalt
The advantages of cream is evenly distributed.
Above-mentioned purpose of the invention has the technical scheme that
A kind of local hot reproduction construction method, includes the following steps: S1: hot reproducer on the spot adds original bituminous pavement
Heat；S2: pine is harrowed in the original road surface heated by milling machine；S3: original asphalt of rake pine is transported by transmitting device
Into remixer, while upper SBR latex film is covered on the road surface for having harrowed original pitch, regenerative agent is added in remixer
And/or new pitch, stirring generate asphalt, asphalt is covered on SBR latex film；S4: by asphalt
It paves；S5: the road surface to have paved is rolled.
Further, the step S1 method particularly includes: before being heated to original bituminous pavement, Ke Yitong
It crosses heater road pavement and carries out certain preheating, then it is put on road again and is heated, to be controlled during heating
Temperature is made, it is allowed to be maintained at 130 DEG C or so, subsequent vehicle wants the heating of a little, to carry out during heating to it
Stringent temperature control.
Further, the step S2 method particularly includes: using milling machine plane milling is carried out to original road surface after heating,
Then entire road surface is cleared up.
Further, the step S3 is it is to be noted that it is noted that stirring, no in the use process of asphalt
It allows its solidification to influence whether to be laid in this way, remixer is heated, then the asphalt done well is heated again,
Allow it that can guarantee performance by stirring repeatedly.
Further, the step S4 method particularly includes: when pave work sub-layer temperature is adjusted to 90
DEG C, the automation for then carrying out road surface datum line beam using contactless ultrasonic wave is levelling, in this link that paves, by temperature
It is maintained at 120 DEG C or so.
Further, the process rolled is broadly divided into three parts: first pressing, multiple pressure and final pressure, when carrying out first part,
To use twin turbines vibratory roller carry out rolling at the uniform velocity to it, it is carried out first quick and back slow, it is first low after high mode come into
Row work will use pneumatic-tired rollers one, single steel road roller one, double steel road rollers one, construct when being rolled
Time control is rolled every time in the process within 15 minutes.
In conclusion the invention has the following advantages:
The present invention is on the basis of original local hot reproduction construction method, on the road surface for having harrowed original pitch in covering
Then SBR latex film is covered on SBR latex film in asphalt again, since SBR latex film is to be laid in heating
Road surface on, therefore SBR latex film is heated melt after can equably be covered on road surface, avoid the distribution of SBR latex not
The situation of SBR latex excess caused by uniformly, and then avoid SBR latex dosage excessively to the mix of regenerating mixture and compaction band
Carry out difficult problem.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the embodiment of the present invention is described.
Disclosed herein a kind of local hot reproduction construction methods, as shown in Figure 1, including the following steps:
S1: hot reproducer on the spot heats original bituminous pavement；
Specifically, certain preheating can be carried out by heater road pavement before heating to original bituminous pavement,
Then it is put on road again and is heated, temperature is controlled during heating, it is allowed to be maintained at 130 DEG C or so,
Subsequent vehicle wants the heating of a little, it can be preferably engaged togather.It is carried out during heating strictly
Temperature control.
S2: pine is harrowed in the original road surface heated by milling machine；
Specifically, carrying out plane milling to original road surface after heating using milling machine, then entire road surface is cleared up.
S3: original asphalt of rake pine is transported in remixer by transmitting device, while original having harrowed
Upper SBR latex film is covered on the road surface of pitch, regenerative agent and/or new pitch is added in remixer, it is mixed that stirring generates pitch
Material is closed, asphalt is covered on SBR latex film；
Specifically, then entire road surface is cleared up again firstly, the side of road pavement can be completed by machine, in conjunction with
Some new asphalt materials are added in the concrete condition on road surface, and some materials and asphalt material are mixed by digging loose machine device
Close, it can be carried out to avoid the waste of resource in this way using.On the basis of original local hot reproduction construction method,
It has harrowed on the road surface of original pitch and has covered upper SBR latex film, be then covered on SBR latex film in asphalt again,
Since SBR latex film can be equably covered on after the heated thawing of SBR latex film on the road surface for be laid in heating
Road surface, avoid SBR latex is unevenly distributed the situation of caused SBR latex excess, and then avoids SBR latex dosage excessive
Mix and compaction band to regenerating mixture carry out difficult problem.SBR latex film can be realized by the film-forming process of latex.
S4: asphalt is paved；
Specifically, original bad road surface is excluded, some asphalt materials and regenerative agent is then added, guarantees the material of pavement usage
Material can match with original road surface.Especially in terms of adding asphalt material, it should be noted that it is carried out using the hopper of remixer,
These asphalt materials are spread again after stirring and are uniformly covered using paver, it is noted that stirring in the use process of material
It mixes, not allow its solidification to influence whether to be laid in this way, remixer is heated, then the material done well is heated again,
Allow it that can guarantee performance by stirring repeatedly.
S5: the road surface to have paved is rolled；
Specifically, needing to roll it after handling asphalt highway, to pass through scientific and reasonable side
Method is rolled in conjunction with the concrete condition of construction, can guarantee that effect between the two reaches well, for construction in this way
Level is detected, can be improved in this way the stability on road surface with it is smooth.In the construction process, people will to original road surface into
The laying of row material, the material for making these new and upper layer reworked material carry out roll.It to be done during being paved
Good temperature controls work, and the temperature on surface to be allowed to guarantee at 160 DEG C~180 DEG C, when being paved will at 120 DEG C~150 DEG C,
Water not be added as far as possible when being rolled, it will good this factor of temperature of control when just starting to work.The process rolled
Be broadly divided into three parts: first is that first pressing, second is that multiple pressure, third is that final pressure.When carrying out first part, to be shaken using twin turbines
Road roller carries out rolling at the uniform velocity to it, then according to corresponding regulation it is carried out first quick and back slow, it is first low after high mode come
It works.When being rolled, pneumatic-tired rollers one, single steel road roller one, double steel road rollers one are used, are being applied
To shorten the time as far as possible during work, the material of stirring can be made to be unlikely to condense in this way.Assembly line method on the spot can be used,
Economical and practical reparation is carried out to it.In engineering construction, to carry out compacting work sequence, enable material preferably with booth
A possibility that working between paving machine, the flatness on road surface can be improved in this way, reduce out-of-flatness.In roller compaction construction,
It is carried out it is multiple roll, the time rolled finally all control within 15min, remain a constant speed movement, and road roller is allowed to exist
Walking not turn around arbitrarily in straight line, damage to road surface.It is noted that water content is asked in the configuration to mixing material
, there is not moisture in topic.
Claims (6)
1. a kind of local hot reproduction construction method, which comprises the steps of:
S1: hot reproducer on the spot heats original bituminous pavement；
S2: pine is harrowed in the original road surface heated by milling machine；
S3: original asphalt of rake pine is transported in remixer by transmitting device, while harrowing original pitch
Road surface on cover upper SBR latex film, regenerative agent and/or new pitch are added in remixer, stirring generates asphalt,
Asphalt is covered on SBR latex film；
S4: asphalt is paved；
S5: the road surface to have paved is rolled.
2. a kind of local hot reproduction construction method according to claim 1, which is characterized in that the specific side of the step S1
Method are as follows: before heating to original bituminous pavement, certain preheating can be carried out by heater road pavement, then again
It is put on road and is heated, temperature is controlled during heating, it is allowed to be maintained at 130 DEG C or so, it is subsequent
Vehicle wants the heating of a little, to carry out stringent temperature control to it during heating.
3. a kind of local hot reproduction construction method according to claim 1, which is characterized in that the specific side of the step S2
Method are as follows: plane milling is carried out to original road surface after heating using milling machine, then entire road surface is cleared up.
4. a kind of local hot reproduction construction method according to claim 1, which is characterized in that the step S3 is needed to pay attention to
: it is noted that stirring, not allow its solidification to influence whether to be laid in this way, to remixer in the use process of asphalt
It is heated, then the asphalt done well is heated again, allow it that can guarantee performance by stirring repeatedly.
5. a kind of local hot reproduction construction method according to claim 1, which is characterized in that the specific side of the step S4
Method are as follows: sub-layer temperature is adjusted to 90 DEG C when pave work, then carries out road surface using contactless ultrasonic wave
The automation of datum line beam is levelling, in this link that paves, keeps the temperature at 120 DEG C or so.
6. a kind of local hot reproduction construction method according to claim 1, which is characterized in that the process rolled is broadly divided into
Three parts: first pressing, multiple pressure and final pressure will use twin turbines vibratory roller to carry out at the uniform velocity it when carrying out first part
Roll, it is carried out first quick and back slow, it is first low after high mode work, when being rolled, to use rubber tire pressure road
One, machine, single steel road roller one, double steel road rollers one, roll every time in the construction process time control 15 minutes it
It is interior.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910070211.5A CN109797622A (en) | 2019-01-24 | 2019-01-24 | A kind of local hot reproduction construction method |
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| CN201910070211.5A CN109797622A (en) | 2019-01-24 | 2019-01-24 | A kind of local hot reproduction construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925155A (en) * | 2020-07-07 | 2020-11-13 | 南京道润交通科技有限公司 | In-situ heat-regenerated asphalt mixture, preparation method and long-road-age pavement construction method |
| CN114837034A (en) * | 2022-04-29 | 2022-08-02 | 龙建路桥股份有限公司 | Construction method of cold region SMA asphalt mixture synchronous thin-layer overlay |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908309A (en) * | 2006-08-18 | 2007-02-07 | 长沙中联重工科技发展股份有限公司 | In-place heat regeneration asphalt pavement remixer |
| CN104695308A (en) * | 2015-03-19 | 2015-06-10 | 山东省路桥集团有限公司 | Double-cylinder mixing pot of hot in-place recycling remixer for asphalt pavement |
| CN106192700A (en) * | 2016-07-12 | 2016-12-07 | 河北森远路桥工程有限公司 | A kind of asphalt concrete pavement in-situ heat regeneration method of low energy consumption |
| CN107227671A (en) * | 2017-06-30 | 2017-10-03 | 海环科技集团股份有限公司 | A kind of construction technology of in-situ heat regeneration |
| CN208009186U (en) * | 2018-02-27 | 2018-10-26 | 广东华起建设工程有限公司 | A kind of extremely thin type asphalt wearing layer structure |
-
2019
- 2019-01-24 CN CN201910070211.5A patent/CN109797622A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908309A (en) * | 2006-08-18 | 2007-02-07 | 长沙中联重工科技发展股份有限公司 | In-place heat regeneration asphalt pavement remixer |
| CN104695308A (en) * | 2015-03-19 | 2015-06-10 | 山东省路桥集团有限公司 | Double-cylinder mixing pot of hot in-place recycling remixer for asphalt pavement |
| CN106192700A (en) * | 2016-07-12 | 2016-12-07 | 河北森远路桥工程有限公司 | A kind of asphalt concrete pavement in-situ heat regeneration method of low energy consumption |
| CN107227671A (en) * | 2017-06-30 | 2017-10-03 | 海环科技集团股份有限公司 | A kind of construction technology of in-situ heat regeneration |
| CN208009186U (en) * | 2018-02-27 | 2018-10-26 | 广东华起建设工程有限公司 | A kind of extremely thin type asphalt wearing layer structure |
Non-Patent Citations (3)
| Title |
|---|
| 孟凡勇: "沥青路面就地热再生施工工艺和质量控制技术", 《工程技术研究》 * |
| 张立书 张敏江: "SBS与SBR改性沥青改性机理对比研究", 《北方交通》 * |
| 曹武安: "就地热再生施工过程中的温度控制", 《北方交通》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925155A (en) * | 2020-07-07 | 2020-11-13 | 南京道润交通科技有限公司 | In-situ heat-regenerated asphalt mixture, preparation method and long-road-age pavement construction method |
| CN114837034A (en) * | 2022-04-29 | 2022-08-02 | 龙建路桥股份有限公司 | Construction method of cold region SMA asphalt mixture synchronous thin-layer overlay |
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