CN106192701A - The construction method of repaving asphalt coat after the punishment of concrete road surface under high and cold heavy duty - Google Patents
The construction method of repaving asphalt coat after the punishment of concrete road surface under high and cold heavy duty Download PDFInfo
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- CN106192701A CN106192701A CN201610700564.5A CN201610700564A CN106192701A CN 106192701 A CN106192701 A CN 106192701A CN 201610700564 A CN201610700564 A CN 201610700564A CN 106192701 A CN106192701 A CN 106192701A
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
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Abstract
The invention discloses the construction method of repaving asphalt coat after concrete road surface is punished under high and cold heavy duty, including: step S1, the detection of old pavement performance and repairing: the deflection value crack casting glue less than 20 (0.01mm) is repaired, the crack of deflection value 20 45 (0.01mm) cement mud-jack is repaired, and the deflection value plate more than 45 (0.01mm) carries out changing plate；Step S2, rechecks after repairing: deflection value is qualified less than 20 (0.01mm) side；Step S3, road surface is cleared up；Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；Step S5, overlays bituminous macadam: use Colophonium synchronous breakstone technology to overlay bituminous macadam；Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel roller to carry out voltage stabilizing；Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving；Step S8, surface construction: making surface layer asphalt after health preserving.
Description
Technical field
The invention belongs to building field, relate to the construction method of a kind of cement concrete repaving asphalt coat, be specifically related to
The construction method of repaving asphalt coat after cover it is applicable under the heavy duty of High aititude mountain area at cement concrete pavement table to a kind of.
Background technology
On cement concrete pavement, Laying Asphalt Surface Course is commonly called as white changing black, and the pavement structure of this form can absorb two kinds of materials
The advantage of material, the most original cement concrete pavement can provide stablizes solid basic unit, and asphaltum concrete cover-layer can provide and rub
Resistance coefficient is high, and the surface layer that flatness is good substantially improves the serviceability on road surface.But from the point of view of actual using effect, instead
The passage ratio penetrating crack and corner is more serious.Research shows: between original road surface and bitumen layer have effective adhesive be white change black
Transformation is successfully crucial, change the most in vain black road surface produce the reason of disease be mostly the tensile strength at the bottom of due to layer and anti-shearing by force
Spend low cause.
Some regions, northwest such as Qinghai, Tibet, owing to height above sea level is higher, climatic environment is complicated, and especially mountain road is more,
Bend and zig zag are more, in order to avoid the erosion of Moisture Damage, are more cement concrete pavement in early days during Pavement Design,
Along with the volume of traffic and heavy-duty vehicle get more and more, road surface running vehicle comfortableness is increasingly paid close attention to, it is contemplated that cost reason, uses relatively
Many modes are cement concrete pavement to carry out the Colophonium micro-surface area of 1cm control and recover road surface comfortableness function, but investigation is sent out
Existing, thin overlay micro-surface area contains higher bitumen aggregate ratio, although thin overlay can improve original road surface serviceability and
Road-ability, but be not particularly suited for the location that High aititude mountain area loaded vehicle is more, practice result shows, uses this kind of mode can only
Delay the time of origin of disease, the durability wretched insufficiency on road surface, shortly there occurs early disease, especially bend after being open to traffic
The passage at place and reflection crack etc., bring great economic loss not only to owner's unit, and have impact on normal road surface
Serviceability.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of water under the heavy duty of High aititude mountain area
The construction method of repaving asphalt coat after cover at the table of cement concrete road surface, it is adaptable at the coagulating cement that Colophonium micro-surface area is controlled
Bitumen layer is laid, to reduce passage and the reflection crack disease of corner on soil surface.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
A kind of it is applicable under high and cold heavy duty at cement concrete pavement table the construction method of repaving asphalt coat after cover, including
Following operating procedure:
Step S1, the detection of old pavement performance is with repairing: the old pavement carrying out Colophonium micro-surface area is carried out deflection value detection,
And according to deflection value size, old pavement carried out crack repairing and plate is changed；The pit light to disease and ravelled spot carry out Colophonium
Micro-surface area changes and is compacted after filling out；
Step S2, rechecks after repairing: the deflection value of all slits and plate is qualified less than 20 (0.01mm) side；
Step S3, road surface is cleared up: the granule repaired on qualified old pavement, earth, foreign material are cleaned up；
Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；
Step S5, overlays bituminous macadam: use Colophonium synchronous breakstone technology to overlay bituminous macadam；
Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel wheel press road
Machine carries out one or more bout of voltage stabilizing, makes rubble go deep into the micro-surface area layer of old pavement；
Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving, centre must not open to traffic；
Step S8, surface construction: making surface layer asphalt after health preserving.
Preferably, described crack repairing and plate are changed and are included: the crack that deflection value is less than 20 (0.01mm) uses filling
Sealing is repaired, and uses cement mud-jack to repair in the crack of 20-45 (0.01mm) deflection value；To deflection value more than 45
(0.01mm) plate carries out changing plate.
Preferably, the plate that step S1 is more than 45 (0.01mm) to deflection value changes plate method particularly includes: before changing plate
Relief of traffic, changes plate after cement concrete slab intensity is formed, as other plate faces, and cover Colophonium micro-surface area layer.
Preferably, the thickness of cover Colophonium micro-surface area layer is 1cm.
Preferably, step S4 seam both sides respectively overlap 1m glass fiber grid.
Preferably, step S5 Colophonium selects 90# bi tumenf orr oad.
Preferably, the spread quantity of Colophonium is 0.6-1.5kg/m2。
Preferably, step S5 rubble selects that quality is hard, clean, granule without air slaking, and particle diameter is 4.75mm-9.5mm；
The full paving rate of rubble is not less than 70%.
Preferably, step S1 casting glue is cold mixing water-base epoxy Colophonium.
Preferably, step S1 cement mud-jack material comprises early strength agent, extender and flyash.
Advantages of the present invention:
1, the construction method that the present invention provides does not carries out milling to the Colophonium micro-surface area layer on old pavement, but first basis
Different diseases is processed by deflection value size respectively, then carries out regeneration, and (asphalt content reduces to not only save cost
5%), and it is provided that higher shearing force, thus effectively solves passage and the reflection crack disease of corner.
2, the construction method that the present invention provides is first each about seam crossing before overlaying bituminous macadam overlaps about 1m
Glass fiber grid, it is possible to effectively prevent reflection crack from occurring；In addition select Colophonium synchronous breakstone technique, utilize rubble by former road surface
Colophonium micro-surface area layer combines with new black top layer strength with having, and is firmly bonded, and anti-passage performance is more preferable, road surface overall structure
More durable.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit the present invention with this and protect model
Enclose.Although the present invention being explained in detail with reference to preferred embodiment, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: a kind of be applicable to the construction of repaving asphalt coat after cover at cement concrete pavement table under high and cold heavy duty
Method
Including following operating procedure:
Step S1, the detection of old pavement performance is with repairing: utilize FWD (or backman beam method) to carrying out
The old pavement of Colophonium micro-surface area carries out deflection value detection, and the disease come out for emphasis around should survey some more, weight
Joint slab ability and deflection value at some abutment joint detect, and the deflection value crack less than 20 (0.01mm) is utilized embedding
Glue is repaired, and utilizes cement mud-jack to repair in the crack of 20-45 (0.01mm) deflection value, to deflection value more than 45
(0.01mm) plate carries out changing plate (utilizing C35 plain concrete to carry out changing plate), after needing to pay close attention to change plate between each seam
Effective connection, it is ensured that the transmission of load；Pit that disease is light and ravelled spot carry out Colophonium micro-surface area and change and fill out, and use small-sized pressure road
Machine or plate compactor compacting；Wherein it is desired to health preserving measure and traffic dredging organization work are carried out in the road surface changing plate health preserving, treat that cement mixes
After concrete board intensity is formed, as other plate faces, the micro-surface area layer of cover 1cm, and ensure the effective connection between each seam,
Ensure the transmission of load；Wherein, casting glue is cold mixing water-base epoxy Colophonium, and the mass ratio of aqueous epoxy resins and emulsified asphalt is
1:10, the solid content of emulsified asphalt otherwise less than 50%；Wherein, cement mud-jack material comprises early strength agent, extender and fine coal
Ash, the ratio of mud is 0.5, and quality is than cement: early strength agent: extender: flyash=1:0.006:0.15:1；
Step S2, rechecks after repairing: Disease Processing completes to carry out afterwards deflection value reinspection, it is necessary to assure deflection value is in technology
Within requirement, the deflection value of all slits and plate is qualified less than 20 (0.01mm) side, carries out weight for underproof plate
New repairing, requires to reach qualified until meeting technology；
Step S3, road surface is cleared up: the granule repaired on qualified old pavement, earth, foreign material are cleaned up；
Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；
Step S5, overlays bituminous macadam: utilize the high bitumen aggregate ratio of original thin layer micro-surface area layer, carrying out interlaminar bonding layer
Colophonium synchronous breakstone technology is used to overlay bituminous macadam during process；Rubble selects that quality is hard, clean, without air slaking
Grain, specification is 4.75mm-9.5mm, and completely paving rate is not less than 75%；Colophonium selects 90# bi tumenf orr oad, and spread quantity parameter is
1.0kg/m2；
Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel wheel press road
Machine carries out voltage stabilizing one bout, makes rubble go deep into the micro-surface area layer of old pavement；
Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving, centre must not open to traffic；
Step S8, surface construction: waiting until after the assay was approved, making surface layer asphalt, in strict accordance with bituminous concrete
Making technique complete each Paving Techniques, it is ensured that the flatness on road surface and compactness；When pavement temperature is reduced to below 50 DEG C
Ability open to traffic, and require coring according to coring, test its shearing strength between layers, check whether to meet technology requirement.
Embodiment 2: a kind of be applicable to the construction of repaving asphalt coat after cover at cement concrete pavement table under high and cold heavy duty
Method
Including following operating procedure:
Step S1, the detection of old pavement performance is with repairing: utilize FWD (or backman beam method) to carrying out
The old pavement of Colophonium micro-surface area carries out deflection value detection, and the disease come out for emphasis around should survey some more, weight
Joint slab ability and deflection value at some abutment joint detect, and the deflection value crack less than 20 (0.01mm) is utilized embedding
Glue is repaired, and utilizes cement mud-jack to repair in the crack of 20-45 (0.01mm) deflection value, to deflection value more than 45
(0.01mm) plate carries out changing plate (utilizing C35 plain concrete to carry out changing plate), after needing to pay close attention to change plate between each seam
Effective connection, it is ensured that the transmission of load；Pit that disease is light and ravelled spot carry out Colophonium micro-surface area and change and fill out, and use small-sized pressure road
Machine or plate compactor compacting；Wherein it is desired to health preserving measure and traffic dredging organization work are carried out in the road surface changing plate health preserving, treat that cement mixes
After concrete board intensity is formed, as other plate faces, the micro-surface area layer of cover 1cm, and ensure the effective connection between each seam,
Ensure the transmission of load；Wherein, casting glue is cold mixing water-base epoxy Colophonium, and the mass ratio of aqueous epoxy resins and emulsified asphalt is
1:7.5, the solid content of emulsified asphalt otherwise less than 50%；Wherein, cement mud-jack material comprises early strength agent, extender and fine coal
Ash, the ratio of mud is 0.5, and quality is than cement: early strength agent: extender: flyash=1:0.007:0.16:1；
Step S2, rechecks after repairing: Disease Processing completes to carry out afterwards deflection value reinspection, it is necessary to assure deflection value is in technology
Within requirement, the deflection value of all slits and plate is qualified less than 20 (0.01mm) side, carries out weight for underproof plate
New repairing, requires to reach qualified until meeting technology；
Step S3, road surface is cleared up: the granule repaired on qualified old pavement, earth, foreign material are cleaned up；
Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；
Step S5, overlays bituminous macadam: utilize the high bitumen aggregate ratio of original thin layer micro-surface area layer, carrying out interlaminar bonding layer
Colophonium synchronous breakstone technology is used to overlay bituminous macadam during process；Rubble selects that quality is hard, clean, without air slaking
Grain, specification is 4.75mm-9.5mm, and completely paving rate is not less than 70%；Colophonium selects 90# bi tumenf orr oad, and spread quantity parameter is
1.5kg/m2；
Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel wheel press road
Machine carries out voltage stabilizing one bout, makes rubble go deep into the micro-surface area layer of old pavement；
Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving, centre must not open to traffic；
Step S8, surface construction: waiting until after the assay was approved, making surface layer asphalt, in strict accordance with bituminous concrete
Making technique complete each Paving Techniques, it is ensured that the flatness on road surface and compactness；When pavement temperature is reduced to below 50 DEG C
Ability open to traffic, and require coring according to coring, test its shearing strength between layers, check whether to meet technology requirement.
Embodiment 3: a kind of be applicable to the construction of repaving asphalt coat after cover at cement concrete pavement table under high and cold heavy duty
Method
Including following operating procedure:
Step S1, the detection of old pavement performance is with repairing: utilize FWD (or backman beam method) to carrying out
The old pavement of Colophonium micro-surface area carries out deflection value detection, and the disease come out for emphasis around should survey some more, weight
Joint slab ability and deflection value at some abutment joint detect, and the deflection value crack less than 20 (0.01mm) is utilized embedding
Glue is repaired, and utilizes cement mud-jack to repair in the crack of 20-45 (0.01mm) deflection value, to deflection value more than 45
(0.01mm) plate carries out changing plate (utilizing C35 plain concrete to carry out changing plate), after needing to pay close attention to change plate between each seam
Effective connection, it is ensured that the transmission of load；Pit that disease is light and ravelled spot carry out Colophonium micro-surface area and change and fill out, and use small-sized pressure road
Machine or plate compactor compacting；Wherein it is desired to health preserving measure and traffic dredging organization work are carried out in the road surface changing plate health preserving, treat that cement mixes
After concrete board intensity is formed, as other plate faces, the micro-surface area layer of cover 1cm, and ensure the effective connection between each seam,
Ensure the transmission of load；Wherein, casting glue is cold mixing water-base epoxy Colophonium, and the mass ratio of aqueous epoxy resins and emulsified asphalt is
1:12.5, the solid content of emulsified asphalt otherwise less than 50%；Wherein, cement mud-jack material comprises early strength agent, extender and powder
Coal ash, the ratio of mud is 0.5, and quality is than cement: early strength agent: extender: flyash=1:0.008:0.17:1；
Step S2, rechecks after repairing: Disease Processing completes to carry out afterwards deflection value reinspection, it is necessary to assure deflection value is in technology
Within requirement, the deflection value of all slits and plate is qualified less than 20 (0.01mm) side, carries out weight for underproof plate
New repairing, requires to reach qualified until meeting technology；
Step S3, road surface is cleared up: the granule repaired on qualified old pavement, earth, foreign material are cleaned up；
Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；
Step S5, overlays bituminous macadam: utilize the high bitumen aggregate ratio of original thin layer micro-surface area layer, carrying out interlaminar bonding layer
Colophonium synchronous breakstone technology is used to overlay bituminous macadam during process；Rubble selects that quality is hard, clean, without air slaking
Grain, specification is 4.75mm-9.5mm, and completely paving rate is not less than 80%；Colophonium selects 90# bi tumenf orr oad, and spread quantity parameter is
1.2kg/m2；
Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel wheel press road
Machine carries out voltage stabilizing one bout, makes rubble go deep into the micro-surface area layer of old pavement；
Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving, centre must not open to traffic；
Step S8, surface construction: waiting until after the assay was approved, making surface layer asphalt, in strict accordance with bituminous concrete
Making technique complete each Paving Techniques, it is ensured that the flatness on road surface and compactness；When pavement temperature is reduced to below 50 DEG C
Ability open to traffic, and require coring according to coring, test its shearing strength between layers, check whether to meet technology requirement.
Embodiment 4: comparative example, contrasts with embodiment 1, and old pavement micro-surface area layer carries out milling:
Step S1, the detection of old pavement performance is with repairing: first carry out the micro-surface area cover of cement concrete pavement completely
Milling processes, and then utilizes FWD (or backman beam method) that the old pavement after milling is carried out deflection value detection,
The disease come out for emphasis around should survey some more, and joint slab ability and deflection value at emphasis abutment joint enter
Row detection, utilizes casting glue to repair, to deflection value at 20-45 (0.01mm) in the deflection value crack less than 20 (0.01mm)
Crack utilize cement mud-jack to repair, deflection value is changed plate more than the plate of 45 (0.01mm) and (utilizes C35 element coagulation
Soil carries out changing plate), effectively connecting between each seam after needing to pay close attention to change plate, it is ensured that the transmission of load；Wherein it is desired to change
Health preserving measure and traffic dredging organization work are carried out in the road surface of plate health preserving, and ensure the effective connection between each seam, it is ensured that carry
The transmission of lotus；Wherein, casting glue is cold mixing water-base epoxy Colophonium, and the mass ratio of aqueous epoxy resins and emulsified asphalt is 1:10,
The solid content of emulsified asphalt however less than 50%；Wherein, cement mud-jack material comprises early strength agent, extender and flyash, water
Gray scale is 0.5, and quality is than cement: early strength agent: extender: flyash=1:0.006:0.15:1；
Step S2, rechecks after repairing: Disease Processing completes to carry out afterwards deflection value reinspection, it is necessary to assure deflection value is in technology
Within requirement, the deflection value of all slits and plate is qualified less than 20 (0.01mm) side, carries out weight for underproof plate
New repairing, requires to reach qualified until meeting technology；
Step S3, road surface is cleared up: the granule repaired on qualified old pavement, earth, foreign material are cleaned up；
Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；
Step S5, overlays bituminous macadam: use Colophonium synchronous breakstone technology to overlay bituminous macadam；Rubble selects quality
Hard, clean, granule without air slaking, specification is 4.75mm-9.5mm, and completely paving rate is not less than 75%；Colophonium selects 90# road
Asphalt, spread quantity parameter is 1.0kg/m2；
Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel wheel press road
Machine carries out voltage stabilizing one bout, makes rubble go deep into old pavement；
Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving, centre must not open to traffic；
Step S8, surface construction: waiting until after the assay was approved, making surface layer asphalt, in strict accordance with bituminous concrete
Making technique complete each Paving Techniques, it is ensured that the flatness on road surface and compactness；When pavement temperature is reduced to below 50 DEG C
Ability open to traffic, and require coring according to coring, test its shearing strength between layers, check whether to meet technology requirement.
Embodiment 5: effect example
Require coring according to coring, test its shearing strength between layers, check whether to meet technology requirement.Result of the test such as following table
Shown in.
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Shearing strength (MPa) | 2.4 | 2.2 | 2.3 | 1.5 |
The contrast of embodiment 1 and embodiment 4 is it can be seen that construction method of the present invention is not required to table micro-to the Colophonium on old pavement
Place's layer carries out milling, but first processes different diseases respectively according to deflection value size, then carries out regeneration, not only saves
Save cost (asphalt content reduces by 5%), and be provided that higher shearing force compared with the method for milling, thus effectively solved
The passage of corner and reflection crack disease.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit the protection of the present invention with this
Scope.It will be understood by those within the art that, technical scheme can be modified or equivalent,
Essence and protection domain without deviating from technical solution of the present invention.
Claims (10)
1. it is applicable under high and cold heavy duty at cement concrete pavement table a construction method for repaving asphalt coat, its feature after cover
It is, including following operating procedure:
Step S1, the detection of old pavement performance is with repairing: the old pavement carrying out Colophonium micro-surface area is carried out deflection value detection, and root
According to deflection value size, old pavement carried out crack repairing and plate is changed；The pit light to disease and ravelled spot carry out the micro-table of Colophonium
Place changes and is compacted after filling out；
Step S2, rechecks after repairing: the deflection value of all slits and plate is qualified less than 20 (0.01mm) side；
Step S3, road surface is cleared up: the granule repaired on qualified old pavement, earth, foreign material are cleaned up；
Step S4, seam is strengthened；Seam crossing both sides overlap joint glass fiber grid；
Step S5, overlays bituminous macadam: use Colophonium synchronous breakstone technology to overlay bituminous macadam；
Step S6, voltage stabilizing: until bituminous macadam temperature be reduced to steel roller do not glue rubble time, utilize steel roller to enter
One or more bout of row voltage stabilizing, makes rubble go deep into the micro-surface area layer of old pavement；
Step S7, health preserving: bituminous macadam making completes to carry out afterwards health preserving, centre must not open to traffic；
Step S8, surface construction: making surface layer asphalt after health preserving.
Construction method the most according to claim 1, it is characterised in that described crack repairing and plate are changed and included: to curved
The heavy value crack less than 20 (0.01mm) uses casting glue to repair, and uses deflection value in the crack of 20-45 (0.01mm)
Cement mud-jack is repaired；The deflection value plate more than 45 (0.01mm) is changed plate.
Construction method the most according to claim 2, it is characterised in that the plate that deflection value is more than 45 (0.01mm) is carried out
Change plate method particularly includes: change relief of traffic before plate, change plate after cement concrete slab intensity is formed, as other plate faces,
Cover Colophonium micro-surface area layer.
Construction method the most according to claim 3, it is characterised in that: the thickness of cover Colophonium micro-surface area layer is 1cm.
Construction method the most according to claim 1, it is characterised in that step S4 seam both sides respectively overlap 1m glass fiber grid.
Construction method the most according to claim 1, it is characterised in that step S5 Colophonium selects 90# bi tumenf orr oad.
Construction method the most according to claim 6, it is characterised in that the spread quantity of Colophonium is 0.6-1.5kg/m2。
Construction method the most according to claim 1, it is characterised in that step S5 rubble selects that quality is hard, clean, do not contain
The granule of air slaking, particle diameter is 4.75mm-9.5mm；The full paving rate of rubble is not less than 70%.
Construction method the most according to claim 1, it is characterised in that: step S1 casting glue is cold mixing water-base epoxy Colophonium.
Construction method the most according to claim 1, it is characterised in that: step S1 cement mud-jack material comprises early strength agent,
Extender and flyash.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700564.5A CN106192701B (en) | 2016-08-22 | 2016-08-22 | Construction method for repaving asphalt coat after the lower concrete road surface punishment of high and cold heavy duty |
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|---|---|---|---|
| CN201610700564.5A CN106192701B (en) | 2016-08-22 | 2016-08-22 | Construction method for repaving asphalt coat after the lower concrete road surface punishment of high and cold heavy duty |
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| CN106192701A true CN106192701A (en) | 2016-12-07 |
| CN106192701B CN106192701B (en) | 2018-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288003A (en) * | 2017-07-19 | 2017-10-24 | 广东金长成桥梁隧道科技有限公司 | A kind of road surface or preventive maintenance of deck structure and its construction method |
| CN115450086A (en) * | 2022-09-08 | 2022-12-09 | 广西北投交通养护科技集团有限公司 | Old cement concrete pavement reconstruction structure suitable for non-heavy traffic grade and design method |
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| CN101691736A (en) * | 2009-09-23 | 2010-04-07 | 中交二公局第六工程有限公司 | Construction method for reconstructing old concrete pavement by paving asphalt-concrete surface layer |
| CN105256686A (en) * | 2015-10-10 | 2016-01-20 | 青海正平公路养护工程有限公司 | High-grade highway high and cold road surface micro-surfacing preventive maintenance construction method |
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