CN110284388A - Road surface cold regeneration construction technique - Google Patents
Road surface cold regeneration construction technique Download PDFInfo
- Publication number
- CN110284388A CN110284388A CN201910608687.XA CN201910608687A CN110284388A CN 110284388 A CN110284388 A CN 110284388A CN 201910608687 A CN201910608687 A CN 201910608687A CN 110284388 A CN110284388 A CN 110284388A
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- China
- Prior art keywords
- road surface
- construction technique
- cold regeneration
- surface cold
- technique according
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/147—Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
Abstract
The invention discloses a kind of road surface cold regeneration construction techniques, it is characterised in that the following steps are included: step A. is by rubble spreading on old pavement；Step B. dispenses cement on old pavement；Step C. carries out milling to old pavement and mixes and stirs；Step D. road pavement carries out shaping and rolls；Step E. maintenance.The old pipeline material of road surface cold regeneration construction process makes full use with above-mentioned steps, restores and improves old road intensity, be conducive to it is energy saving, avoid environmental pollution, reduce project cost.
Description
Technical field
The present invention relates to a kind of construction technologies for road surface cold renewal.
Background technique
The a large amount of highways in China are bituminous pavement, and bituminous pavement is influenced by various natural causes, can be with the time
Gradually aging is elapsed, the pitch of aging can weaken the cohesive force between pitch and aggregate, road surface pellet is caused to fall off and gradually expand
Greatly, the use for influencing road has a large amount of waste material to generate when carrying out pavement maintenance, and the processing of waste material will generate a large amount of industry
Rubbish, trash discharge also will form occupying and polluting for soil, and new ground surface material use while can generate more energy consumptions
Take and exhaust gas discharge, road damage, re-lay not only waste of resource but also also result in the pollution again of environment.
Summary of the invention
In view of this, the present invention provides a kind of road surface cold regeneration construction technique, restore and improve old road using old pipeline material
Intensity.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of road surface cold regeneration construction technique, feature exist
In the following steps are included:
Step A. is by rubble spreading on old pavement；
Step B. dispenses cement on old pavement；
Step C. carries out milling to old pavement and mixes and stirs；
Step D. road pavement carries out shaping and rolls；
Step E. maintenance.
As an improvement it is described it is broken in account for the 25~30% of mixture quality, the wherein rubble of 9.5~16mm of partial size
Accounting 3~5%, the rubble accounting 22~25% of 16~31.5mm of partial size.
As an improvement the jelling time used in step B is not less than 3 hours, it is small that final setting time is no more than 6
When.
As a preference, cement is spread in uniform on rubble in step B with 17~18kg/ square metres.
As an improvement road surface landing edge cement spreading overlap joint is no less than 1.5m in step B, lateral construction joint is dispensed
Overlap joint is no less than 30cm.
It is mixed and stirred as an improvement carrying out milling using pavement cold recycling machine road pavement in step C.
As an improvement rolling in step D is divided into first pressing, multiple pressure, final pressure three phases.As an improvement just
Pressure is successively rolled 3~4 times using sheep-foot roller from roadside Xiang Luzhong, and rolling speed is 1.5~1.7km/h.
As an improvement pressure is rolled 2~4 times using vibratory roller again in step D, wherein low frequency macroseism 1~2 time,
High frequency weak shock 1~2 time.
As an improvement final pressure is rolled 3~4 times using pneumatic-tired rollers in step D, and voids and pits is filled out
It mends.
The invention has the beneficial effects that: the old road material of road surface cold regeneration construction process makes full use with above-mentioned steps
Material, restore and improve old road intensity, be conducive to it is energy saving, avoid environmental pollution, reduce project cost.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, With reference to embodiment
The present invention is described in further detail.
Embodiment 1, the present invention provide a kind of road surface cold regeneration construction technique, include the following steps.
Step A. is by rubble spreading on old pavement.It is described it is broken in account for the 25% of mixture quality, wherein partial size 9.5~
The rubble accounting 3% of 16mm, the rubble accounting 22% of 16~31.5mm of partial size.
Step B. dispenses cement on old pavement；The jelling time of selection is not less than 3 hours, and final setting time is no more than
6 hours.Cement is spread in uniform on rubble with 17kg/ square metres.Landing edge cement spreading in road surface overlaps 1.7m, laterally constructs
Seam dispenses overlap joint 35cm.
Step C. carries out milling to old pavement and mixes and stirs；Milling is carried out using pavement cold recycling machine road pavement in the present embodiment to mix
With.
(1) cold regenerative machine pushes thin pulp vehicle or waterwheel to carry out on former road surface.
(2) cold regenerative machine, which carries out speed, to be adjusted according to pavement damage situation and regeneration depth, generally 4m/mim-
8m/min, so that the fluctuation of aggregate graduation range expected after milling is little.The serious location of check crack should reduce regeneration unit travel speed, improve
Milling rotor speed.
(3) there should be special messenger to follow after regenerating device, regenerate depth, cement content and water content check at any time, and cooperate regeneration
Machine operator is adjusted.
(4) inspection of depth is regenerated in construction to have regenerated to neighbour or standard is in former road surface, is pierced into soil, is surveyed with steel fibre
It measures it and is pierced into depth, see whether depth is qualified.
It (5) should be in work surface edge fixed guide line to help operator.
(6) if carry out multitool construction, lap width should be paid attention to constantly, guarantee lap width.
(7) after regenerating device arrange 4-5 people handle sideline and clear up mixture in impurity and every knife initial position it is remaining
Material, to prevent from influencing longitudinal seam, transverse joint, the density of flatness and regrown material.
(8) in the construction process, it paves to the gradation of mixture, regeneration depth, water content, cement consumption and cement
Uniformity coefficient carries out detection when finding the problem, and should stop constructing, be further continued for constructing after Resolving probiems.
(9) regeneration length is advisable every time with guaranteeing that subsequent job can be normally carried out, and answers conscientious organizing construction, makes to regenerate length
It is as long as possible, to reduce transverse crack.Once (not shutting down) regeneration length is generally 150m-250m.
(10) after every section of regeneration ending, milling knife rest, cutter head should be checked, discovery damage is replaced immediately.
Step D. road pavement carries out shaping and rolls；It rolls and is divided into first pressing, multiple pressure, final pressure three phases.
First pressing is successively rolled 3 times using sheep-foot roller from roadside Xiang Luzhong, rolling speed 1.5km/h.
Multiple pressure is rolled 2 times using vibratory roller, wherein low frequency macroseism 1 time, and high frequency weak shock 1 time.
Final pressure is rolled 3 times using pneumatic-tired rollers, and is filled up to voids and pits.
Step E. maintenance.Wet road surface is kept to sprinkle water in time, geotextiles covering is closed in time and carried out on molding road surface, is spilt
Water health 7 days.
Embodiment 2, the present invention provide a kind of road surface cold regeneration construction technique, include the following steps.
Step A. is by rubble spreading on old pavement.It is described it is broken in account for the 28% of mixture quality, wherein partial size 9.5~
The rubble accounting 4% of 16mm, the rubble accounting 24% of 16~31.5mm of partial size.
Step B. dispenses cement on old pavement；The jelling time of selection is not less than 3 hours, and final setting time is no more than
6 hours.Cement is spread in uniform on rubble with 17kg/ square metres.Landing edge cement spreading in road surface overlaps 1.5m, laterally constructs
Seam dispenses overlap joint 30cm.
Step C. carries out milling to old pavement and mixes and stirs；Milling is carried out using pavement cold recycling machine road pavement in the present embodiment to mix
With.
(1) cold regenerative machine pushes thin pulp vehicle or waterwheel to carry out on former road surface.
(2) cold regenerative machine, which carries out speed, to be adjusted according to pavement damage situation and regeneration depth, generally 4m/mim-
8m/min, so that the fluctuation of aggregate graduation range expected after milling is little.The serious location of check crack should reduce regeneration unit travel speed, improve
Milling rotor speed.
(3) there should be special messenger to follow after regenerating device, regenerate depth, cement content and water content check at any time, and cooperate regeneration
Machine operator is adjusted.
(4) inspection of depth is regenerated in construction to have regenerated to neighbour or standard is in former road surface, is pierced into soil, is surveyed with steel fibre
It measures it and is pierced into depth, see whether depth is qualified.
It (5) should be in work surface edge fixed guide line to help operator.
(6) if carry out multitool construction, lap width should be paid attention to constantly, guarantee lap width.
(7) after regenerating device arrange 4-5 people handle sideline and clear up mixture in impurity and every knife initial position it is remaining
Material, to prevent from influencing longitudinal seam, transverse joint, the density of flatness and regrown material.
(8) in the construction process, it paves to the gradation of mixture, regeneration depth, water content, cement consumption and cement
Uniformity coefficient carries out detection when finding the problem, and should stop constructing, be further continued for constructing after Resolving probiems.
(9) regeneration length is advisable every time with guaranteeing that subsequent job can be normally carried out, and answers conscientious organizing construction, makes to regenerate length
It is as long as possible, to reduce transverse crack.Once (not shutting down) regeneration length is generally 150m-250m.
(10) after every section of regeneration ending, milling knife rest, cutter head should be checked, discovery damage is replaced immediately.
Step D. road pavement carries out shaping and rolls；It rolls and is divided into first pressing, multiple pressure, final pressure three phases.
First pressing is successively rolled 3 times using sheep-foot roller from roadside Xiang Luzhong, rolling speed 1.6km/h.
Multiple pressure is rolled 3 times using vibratory roller, wherein low frequency macroseism 1 time, and high frequency weak shock 2 times.
Final pressure is rolled 3 times using pneumatic-tired rollers, and is filled up to voids and pits.
Step E. maintenance.Wet road surface is kept to sprinkle water in time, geotextiles covering is closed in time and carried out on molding road surface, is spilt
Water health 8 days.
Embodiment 3, the present invention provide a kind of road surface cold regeneration construction technique, include the following steps.
Step A. is by rubble spreading on old pavement.It is described it is broken in account for the 30% of mixture quality, wherein partial size 9.5~
The rubble accounting 5% of 16mm, the rubble accounting 25% of 16~31.5mm of partial size.
Step B. dispenses cement on old pavement；The jelling time of selection is not less than 3 hours, and final setting time is no more than
6 hours.Cement is spread in uniform on rubble with 18kg/ square metres.Landing edge cement spreading in road surface overlaps 1.5m, laterally constructs
Seam dispenses overlap joint 30cm.
Step C. carries out milling to old pavement and mixes and stirs；Milling is carried out using pavement cold recycling machine road pavement in the present embodiment to mix
With.
(1) cold regenerative machine pushes thin pulp vehicle or waterwheel to carry out on former road surface.
(2) cold regenerative machine, which carries out speed, to be adjusted according to pavement damage situation and regeneration depth, generally 4m/mim-
8m/min, so that the fluctuation of aggregate graduation range expected after milling is little.The serious location of check crack should reduce regeneration unit travel speed, improve
Milling rotor speed.
(3) there should be special messenger to follow after regenerating device, regenerate depth, cement content and water content check at any time, and cooperate regeneration
Machine operator is adjusted.
(4) inspection of depth is regenerated in construction to have regenerated to neighbour or standard is in former road surface, is pierced into soil, is surveyed with steel fibre
It measures it and is pierced into depth, see whether depth is qualified.
It (5) should be in work surface edge fixed guide line to help operator.
(6) if carry out multitool construction, lap width should be paid attention to constantly, guarantee lap width.
(7) after regenerating device arrange 4-5 people handle sideline and clear up mixture in impurity and every knife initial position it is remaining
Material, to prevent from influencing longitudinal seam, transverse joint, the density of flatness and regrown material.
(8) in the construction process, it paves to the gradation of mixture, regeneration depth, water content, cement consumption and cement
Uniformity coefficient carries out detection when finding the problem, and should stop constructing, be further continued for constructing after Resolving probiems.
(9) regeneration length is advisable every time with guaranteeing that subsequent job can be normally carried out, and answers conscientious organizing construction, makes to regenerate length
It is as long as possible, to reduce transverse crack.Once (not shutting down) regeneration length is generally 150m-250m.
(10) after every section of regeneration ending, milling knife rest, cutter head should be checked, discovery damage is replaced immediately.
Step D. road pavement carries out shaping and rolls；It rolls and is divided into first pressing, multiple pressure, final pressure three phases.
First pressing is successively rolled 4 times using sheep-foot roller from roadside Xiang Luzhong, rolling speed 1.7km/h.
Multiple pressure is rolled 4 times using vibratory roller, wherein low frequency macroseism 2 times, and high frequency weak shock 2 times.
Final pressure is rolled 4 times using pneumatic-tired rollers, and is filled up to voids and pits.
Step E. maintenance.Wet road surface is kept to sprinkle water in time, geotextiles covering is closed in time and carried out on molding road surface, is spilt
Water health 9 days.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. a kind of road surface cold regeneration construction technique, it is characterised in that the following steps are included:
Step A. is by rubble spreading on old pavement；
Step B. dispenses cement on old pavement；
Step C. carries out milling to old pavement and mixes and stirs；
Step D. road pavement carries out shaping and rolls；
Step E. maintenance.
2. a kind of road surface cold regeneration construction technique according to claim 1, it is characterised in that accounted in broken described in step A
The 25~30% of mixture quality, wherein the rubble accounting 3~5% of 9.5~16mm of partial size, the rubble of 16~31.5mm of partial size account for
Than 22~25%.
3. a kind of road surface cold regeneration construction technique according to claim 1, it is characterised in that at the beginning of the cement used in step B
The solidifying time is not less than 3 hours, and final setting time is no more than 6 hours.
4. a kind of road surface cold regeneration construction technique according to claim 1, it is characterised in that in step B cement with 17~
18kg/ square metres is spread in uniform on rubble.
5. a kind of road surface cold regeneration construction technique according to claim 4, it is characterised in that road surface landing edge in step B
Cement spreading overlap joint is no less than 1.5m, and lateral construction joint dispenses overlap joint and is no less than 30cm.
6. a kind of road surface cold regeneration construction technique according to claim 1, it is characterised in that cold again using road surface in step C
Life road pavement carries out milling and mixes and stirs.
7. a kind of road surface cold regeneration construction technique according to claim 1, it is characterised in that rolling in step D is divided into just
Pressure, multiple pressure, final pressure three phases.
8. a kind of road surface cold regeneration construction technique according to claim 7, it is characterised in that first pressing is using sheep foot in step D
Stone roller successively rolls 3~4 times from roadside Xiang Luzhong, and rolling speed is 1.5~1.7km/h.
9. a kind of road surface cold regeneration construction technique according to claim 7, it is characterised in that pressure uses vibration again in step D
Road roller rolls 2~4 times, wherein low frequency macroseism 1~2 time, and high frequency weak shock 1~2 time.
10. a kind of road surface cold regeneration construction technique according to claim 7, it is characterised in that final pressure uses glue in step D
Roller rolls 3~4 times, and fills up to voids and pits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608687.XA CN110284388A (en) | 2019-07-05 | 2019-07-05 | Road surface cold regeneration construction technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608687.XA CN110284388A (en) | 2019-07-05 | 2019-07-05 | Road surface cold regeneration construction technique |
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| CN110284388A true CN110284388A (en) | 2019-09-27 |
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ID=68020896
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910608687.XA Pending CN110284388A (en) | 2019-07-05 | 2019-07-05 | Road surface cold regeneration construction technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359688A (en) * | 2020-10-30 | 2021-02-12 | 福建省南安市第一建设有限公司 | Construction method for in-situ cold regeneration of highway cement stabilized macadam base |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015105362A1 (en) * | 2014-01-10 | 2015-07-16 | 강원대학교산학협력단 | Method for repairing paved road |
| CN106192660A (en) * | 2016-07-13 | 2016-12-07 | 鄂尔多斯市路泰公路工程有限责任公司 | Highway Pavement Structures and construction method thereof |
| CN108660888A (en) * | 2017-03-31 | 2018-10-16 | 上海道基环保科技有限公司 | A kind of steady construction technology method of road cement plate scene grain petrochemical industry recycled water |
| US20190084883A1 (en) * | 2017-09-21 | 2019-03-21 | Crown Products & Services, Inc. | Dry Mix and Concrete Composition Containing Bed Ash and Related Methods |
| CN109537404A (en) * | 2018-11-29 | 2019-03-29 | 江苏北极星交通产业集团有限公司 | A kind of cold in place recycling plate form rubber and cold-regenerated road surface construction method |
-
2019
- 2019-07-05 CN CN201910608687.XA patent/CN110284388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015105362A1 (en) * | 2014-01-10 | 2015-07-16 | 강원대학교산학협력단 | Method for repairing paved road |
| CN106192660A (en) * | 2016-07-13 | 2016-12-07 | 鄂尔多斯市路泰公路工程有限责任公司 | Highway Pavement Structures and construction method thereof |
| CN108660888A (en) * | 2017-03-31 | 2018-10-16 | 上海道基环保科技有限公司 | A kind of steady construction technology method of road cement plate scene grain petrochemical industry recycled water |
| US20190084883A1 (en) * | 2017-09-21 | 2019-03-21 | Crown Products & Services, Inc. | Dry Mix and Concrete Composition Containing Bed Ash and Related Methods |
| CN109537404A (en) * | 2018-11-29 | 2019-03-29 | 江苏北极星交通产业集团有限公司 | A kind of cold in place recycling plate form rubber and cold-regenerated road surface construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359688A (en) * | 2020-10-30 | 2021-02-12 | 福建省南安市第一建设有限公司 | Construction method for in-situ cold regeneration of highway cement stabilized macadam base |
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Application publication date: 20190927 |
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