CN104532716B - A kind of desert highway assembled bituminous paving and construction method thereof - Google Patents
A kind of desert highway assembled bituminous paving and construction method thereof Download PDFInfo
- Publication number
- CN104532716B CN104532716B CN201410811096.XA CN201410811096A CN104532716B CN 104532716 B CN104532716 B CN 104532716B CN 201410811096 A CN201410811096 A CN 201410811096A CN 104532716 B CN104532716 B CN 104532716B
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- Prior art keywords
- precast block
- asphalt
- asphalt pavement
- pavement precast
- crushed rock
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Classifications
-
- 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
- E01C5/00—Pavings made of prefabricated single units
- E01C5/003—Pavings made of prefabricated single units characterised by material or composition used for beds or joints; characterised by the way of laying
-
- 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
- E01C5/00—Pavings made of prefabricated single units
- E01C5/12—Pavings made of prefabricated single units made of units with bituminous binders or from bituminous material, e.g. asphalt mats
Abstract
The invention discloses a kind of desert highway assembled bituminous paving and construction method thereof, its bituminous paving includes aeolian sand subgrade, upper surface at described aeolian sand subgrade is equipped with crushed rock base course and asphalt pavement precast block combination layer the most successively according to stratiform overlaying structure, wherein, described asphalt pavement precast block combination layer is formed by polylith asphalt pavement precast block assembly making, the upper surface of described crushed rock base course is equipped with multiple reinforcement unit, the seam crossing one_to_one corresponding of the plurality of reinforcement unit and two-by-two asphalt pavement precast block, for the seam crossing of asphalt pavement precast block is carried out reinforcement, by being adhesively fixed between described crushed rock base course and asphalt pavement precast block combination layer；According to stratiform overlaying structure, every piece of asphalt pavement precast block includes that asphalt surface course and substrate, described asphalt surface course and substrate are solidified as a whole by bonding the most successively.The present invention has water saving construction, extends the advantages such as construction seasons, rapid construction and rapid curing.
Description
Technical field
The present invention relates to the technical field of desert highway, refer in particular to a kind of desert highway assembled bituminous paving
And construction method.
Background technology
Desert area drought and water shortage, cement pavement construction needs to expend great lot of water resources, therefore should not use water
Road face.For bituminous paving, summer, temperature was low sooner or later, and the winter temperature low time is long, it is impossible to construction
Hot-mixed bitumen pavement；Construction emulsified asphalt or foamed asphalt cold-mix asphalt mixture pavement, need consumption
Take a large amount of water, also cannot construct during freezed in winter.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of desert highway assembled asphalt road
Face and construction method thereof, it is achieved that water saving construction, prolongation construction seasons, rapid construction and rapid curing etc..
For achieving the above object, its desert highway assembled bituminous paving of technical scheme provided by the present invention is:
Including aeolian sand subgrade, described aeolian sand subgrade upper surface according to stratiform overlaying structure the most successively
It is equipped with crushed rock base course and asphalt pavement precast block combination layer, wherein, described asphalt pavement precast block combination layer
Being formed by polylith asphalt pavement precast block assembly making, the upper surface of described crushed rock base course is equipped with multiple reinforcement
Unit, the plurality of reinforcement unit and the seam crossing one_to_one corresponding of asphalt pavement precast block two-by-two, be used for Colophonium
The seam crossing of road surface prefabricated section carries out reinforcement, logical between described crushed rock base course and asphalt pavement precast block combination layer
Cross and be adhesively fixed；Every piece of asphalt pavement precast block includes bituminous sheaths the most successively according to stratiform overlaying structure
Layer and substrate, described asphalt surface course and substrate are solidified as a whole by bonding.
Described substrate is galvanized iron sheet.
Described substrate thickness is 0.44～1.2mm.
Described reinforcement unit is GSZ, geotextiles or glass-fiber-fabric.
The seam of described asphalt pavement precast block two-by-two uses the heated bitumen cementation of fissures.
Emulsified asphalt or heated bitumen bonding is used between described crushed rock base course and asphalt pavement precast block combination layer.
The planar dimension of described asphalt pavement precast block is: length 5m～20m, width 1m～20m.
The thickness of described crushed rock base course is 15cm～100cm.
The construction method of desert highway assembled bituminous paving of the present invention, comprises the following steps:
1) batch production of asphalt pavement precast block makes
Prefabricated bituminous surface in Factory Building, the indoor temperature of Factory Building controls at 20 DEG C～40 DEG C, and cement is laid on ground
Concrete, it is desirable to construction loads can be born, the making step of asphalt pavement precast block is as follows:
First, on the cement concrete ground within Factory Building lay substrate, play isolation asphalt with
Cement concrete ground effects；
Secondly, spread emulsified asphalt or heated bitumen on substrate；
Finally, asphalt surface course of constructing, make a length of 30m～150m, width is the asphalt road of 5m～20m
Face；
2) cutting of asphalt pavement precast block
Asphalt surface course paves complete, at a temperature of when being down to less than 60 DEG C, use cutting machine, according to required plane
Size is cut into asphalt pavement precast block；
3) freezing of asphalt pavement precast block and transport
Due to the temperature dependency of asphalt intensity, under low temperature, the intensity of asphalt is high, therefore adopts
Improve the intensity of asphalt pavement precast block by freezing and refrigeration method, prevent asphalt pavement precast block in transport and peace
Deformation and breakage in process of assembling, move to freezing workshop by asphalt pavement precast block, and ambient temperature is-10 DEG C～10
DEG C, when asphalt temperature is down to-10 DEG C～10 DEG C, hoisting transportation, use refrigerator car conveying asphalt road surface
Prefabricated section, in transportation, asphalt temperature maintains-10 DEG C～10 DEG C；
4) construction aeolian sand subgrade and crushed rock base course
Use vibrated roller, loader, land leveller and bull-dozer, be layered dry-pressing construction aeolian sand subgrade,
Lift height is 15cm～30cm, and compactness is 93～99%；Use paver, vibrated roller, wheel tire pressure
Road machine layering dry-pressing construction crushed rock base course, lift height is 10cm～25cm, and compactness is 93～99%；
5) asphalt pavement precast block is installed
Before making asphalt pavement precast block, according to road surface size and the unit size of prefabricated section, determine assembly side
Formula, the laying step of asphalt pavement precast block is as follows:
First, by crushed rock base course surface washing with clean up, after surface is dried, spread emulsified asphalt or
Heated bitumen；
Secondly, the upper surface at crushed rock base course lays the reinforcement unit that correspond to asphalt pavement precast block seam crossing,
The seam crossing of asphalt pavement precast block is carried out reinforcement；
Then, asphalt pavement precast block is taken out from refrigerator car, lift and be laid on crushed rock base course surface, every piece
Asphalt pavement precast block controlled in 10min from the time being taken out to be laid on crushed rock base course surface；
Finally, gap between asphalt pavement precast block uses the heated bitumen cementation of fissures two-by-two, it is ensured that asphalt road two-by-two
Secure bond between the prefabricated section of face；
So far, terminate can open to traffic in construction.
The present invention compared with prior art, has the advantage that and beneficial effect:
1, desert highway assembled bituminous paving of the present invention is capable of water saving construction, uses aeolian accumulation sand road
Base, crushed rock base course and prefabricated asphalt surface course, roadbed and basic unit use dry-pressing construction, and whole pavement structure is executed
Consumption of water resource is need not during work；
2, due to the temperature dependency of asphalt intensity, under low temperature, the intensity of asphalt is high, therefore
Use freezing and refrigeration method improve asphalt pavement precast block intensity, it is possible to effectively prevent prefabricated section transport and
Deformation and breakage in installation process；
3, desert highway assembled bituminous paving of the present invention uses prefabricated, cutting, cold preservation, transports, pacifies
The construction technologies such as dress, can extend the pavement construction time, and site operation speed is fast；
4, desert highway assembled bituminous paving of the present invention can realize rapid curing, when bituminous paving is prefabricated
After disease occurs in block, damaged prefabricated section excision can be replaced to new asphalt pavement precast block, thus
Realize rapid curing.
Accompanying drawing explanation
Fig. 1 is the structural representation of desert highway assembled bituminous paving of the present invention in embodiment 1.
Detailed description of the invention
Below in conjunction with two specific embodiments, the invention will be further described.
Embodiment 1
Certain highway implements desert highway assembled bituminous paving of the present invention.
As it is shown in figure 1, the desert highway assembled bituminous paving described in the present embodiment, include bituminous paving
Prefabricated section combination layer, crushed rock base course 4, aeolian sand subgrade 5, wherein, described asphalt pavement precast block combination layer,
Crushed rock base course 4, aeolian sand subgrade 5 are laid the most successively according to stratiform overlaying structure.Described bituminous paving
Prefabricated section combination layer is formed by polylith asphalt pavement precast block assembly making, putting down of every piece of asphalt pavement precast block
Face is a size of: length 5m, width 1m.The thickness of described crushed rock base course 4 is 15cm, and its upper surface spreads
It is provided with multiple reinforcement unit 3, can be GSZ, geotextiles or glass-fiber-fabric, and in the present embodiment, adopt
With GSZ, the plurality of reinforcement unit 3 and the seam crossing one_to_one corresponding of asphalt pavement precast block two-by-two, use
In the seam crossing of asphalt pavement precast block is carried out reinforcement.Described crushed rock base course 4 and asphalt pavement precast block group
Close and between layer, use emulsified asphalt or heated bitumen to be adhesively fixed.Every piece of asphalt pavement precast block is according to stratiform superposition
Structure includes that asphalt surface course 1 and substrate 2, described asphalt surface course 1 and substrate 2 are by bonding the most successively
Being solidified as a whole, described substrate 2 is galvanized iron sheet, and thickness is 0.44mm, in bituminous paving prefabrication process,
Substrate 2 plays isolation asphalt and cement concrete ground effects.
Being below the concrete construction method of the present embodiment above-mentioned desert highway assembled bituminous paving, its situation is such as
Under:
1) batch production of asphalt pavement precast block makes
Prefabricated bituminous surface in Factory Building, the indoor temperature of Factory Building controls at 20 DEG C, and coagulating cement is laid on ground
Soil, it is desirable to can bear construction loads, the making step of asphalt pavement precast block is as follows:
First, on the cement concrete ground within Factory Building lay substrate, play isolation asphalt with
Cement concrete ground effects；
Secondly, spread emulsified asphalt or heated bitumen on substrate；
Finally, asphalt surface course of constructing, make a length of 30m, width is the bituminous paving of 5m.
2) cutting of asphalt pavement precast block
Asphalt surface course paves complete, at a temperature of when being down to less than 60 DEG C, use cutting machine, according to required plane
Size is cut into asphalt pavement precast block.
3) freezing of asphalt pavement precast block and transport
Due to the temperature dependency of asphalt intensity, under low temperature, the intensity of asphalt is high, therefore adopts
Improve the intensity of asphalt pavement precast block by freezing and refrigeration method, prevent asphalt pavement precast block in transport and peace
Deformation and breakage in process of assembling, move to freezing workshop by asphalt pavement precast block, and ambient temperature is-10 DEG C,
When asphalt temperature is down to-10 DEG C, hoisting transportation, use refrigerator car conveying asphalt road surface prefabricated section,
In transportation, asphalt temperature maintains-10 DEG C.
4) construction aeolian sand subgrade and crushed rock base course
Use vibrated roller, loader, land leveller and bull-dozer, be layered dry-pressing construction aeolian sand subgrade,
Lift height is 15cm, and compactness is 93%；Use the layering of paver, vibrated roller, rubber-tyred roller
Dry-pressing construction crushed rock base course, lift height is 10cm, and compactness is 93%.
5) asphalt pavement precast block is installed
Before making asphalt pavement precast block, according to road surface size and the unit size of prefabricated section, determine assembly side
Formula, the laying step of asphalt pavement precast block is as follows:
First, by crushed rock base course surface washing with clean up, after surface is dried, spread emulsified asphalt；
Secondly, the upper surface at crushed rock base course lays the GSZ that correspond to asphalt pavement precast block seam crossing,
The seam crossing of asphalt pavement precast block is carried out reinforcement；
Then, asphalt pavement precast block is taken out from refrigerator car, lift and be laid on crushed rock base course surface, every piece
Asphalt pavement precast block controlled in 10min from the time being taken out to be laid on crushed rock base course surface；
Finally, gap between asphalt pavement precast block uses the heated bitumen cementation of fissures two-by-two, it is ensured that asphalt road two-by-two
Secure bond between the prefabricated section of face；
So far, terminate can open to traffic in construction.
Embodiment 2
Certain Class II highway implements desert highway assembled bituminous paving of the present invention.
The thickness of substrate 2 described in the present embodiment is 1.2mm as different from Example 1.Described bituminous paving
The planar dimension of prefabricated section is: length 20m, width 20m.The thickness of described crushed rock base course 4 is 100cm.
Described reinforcement unit 3 uses geotextiles.
In the present embodiment, the concrete construction method of described desert highway assembled bituminous paving is as follows:
1) batch production of asphalt pavement precast block makes
Prefabricated bituminous surface in Factory Building, the indoor temperature of Factory Building controls at 40 DEG C, and coagulating cement is laid on ground
Soil, it is desirable to can bear construction loads, the making step of asphalt pavement precast block is as follows:
First, on the cement concrete ground within Factory Building lay substrate, play isolation asphalt with
Cement concrete ground effects；
Secondly, spread emulsified asphalt or heated bitumen on substrate；
Finally, asphalt surface course of constructing, make a length of 150m, width is the bituminous paving of 20m.
2) cutting of asphalt pavement precast block
Asphalt surface course paves complete, at a temperature of when being down to less than 60 DEG C, use cutting machine, according to required plane
Size is cut into asphalt pavement precast block.
3) freezing of asphalt pavement precast block and transport
Due to the temperature dependency of asphalt intensity, under low temperature, the intensity of asphalt is high, therefore adopts
Improve the intensity of asphalt pavement precast block by freezing and refrigeration method, prevent asphalt pavement precast block in transport and peace
Deformation and breakage in process of assembling, move to freezing workshop by asphalt pavement precast block, and ambient temperature is 10 DEG C,
When asphalt temperature is down to 10 DEG C, hoisting transportation, use refrigerator car conveying asphalt road surface prefabricated section,
In transportation, asphalt temperature maintains 10 DEG C.
4) construction aeolian sand subgrade and crushed rock base course
Use vibrated roller, loader, land leveller and bull-dozer, be layered dry-pressing construction aeolian sand subgrade,
Lift height is 30cm, and compactness is 99%；Use the layering of paver, vibrated roller, rubber-tyred roller
Dry-pressing construction crushed rock base course, lift height is 25cm, and compactness is 99%.
5) asphalt pavement precast block is installed
Before making asphalt pavement precast block, according to road surface size and the unit size of prefabricated section, determine assembly side
Formula, the laying step of asphalt pavement precast block is as follows:
First, by crushed rock base course surface washing with clean up, after surface is dried, spread emulsified asphalt or
Heated bitumen；
Secondly, the upper surface at crushed rock base course lays the geotextiles that correspond to asphalt pavement precast block seam crossing,
The seam crossing of asphalt pavement precast block is carried out reinforcement, and at Geotextile spread emulsified asphalt；
Then, asphalt pavement precast block is taken out from refrigerator car, lift and be laid on crushed rock base course surface, every piece
Asphalt pavement precast block controlled in 10min from the time being taken out to be laid on crushed rock base course surface；
Finally, gap between asphalt pavement precast block uses the heated bitumen cementation of fissures two-by-two, it is ensured that asphalt road two-by-two
Secure bond between the prefabricated section of face；
So far, terminate can open to traffic in construction.
The examples of implementation of the above are only the preferred embodiments of the invention, not limit the reality of the present invention with this
Execute scope, therefore the change that all shapes according to the present invention, principle are made, the protection model in the present invention all should be contained
In enclosing.
Claims (7)
1. a construction method for desert highway assembled bituminous paving, described desert highway assembled Colophonium
Road surface includes aeolian sand subgrade, described aeolian sand subgrade upper surface according to stratiform overlaying structure from bottom to up
It is equipped with crushed rock base course and asphalt pavement precast block combination layer, wherein, described asphalt pavement precast block group successively
Closing layer to be formed by polylith asphalt pavement precast block assembly making, the upper surface of described crushed rock base course is equipped with multiple
Reinforcement unit, the seam crossing one_to_one corresponding of the plurality of reinforcement unit and two-by-two asphalt pavement precast block, for right
The seam crossing of asphalt pavement precast block carry out reinforcement, described crushed rock base course and asphalt pavement precast block combination layer it
Between by being adhesively fixed；Every piece of asphalt pavement precast block includes drip the most successively according to stratiform overlaying structure
Blue or green surface layer and substrate, described asphalt surface course and substrate are solidified as a whole by bonding；It is characterized in that, described sand
The construction method of unconcerned Highway Assembling Type bituminous paving, comprises the following steps:
1) batch production of asphalt pavement precast block makes
Prefabricated bituminous surface in Factory Building, the indoor temperature of Factory Building controls at 20 DEG C～40 DEG C, and cement is laid on ground
Concrete, it is desirable to construction loads can be born, the making step of asphalt pavement precast block is as follows:
First, on the cement concrete ground within Factory Building lay substrate, play isolation asphalt with
Cement concrete ground effects；
Secondly, spread emulsified asphalt or heated bitumen on substrate；
Finally, asphalt surface course of constructing, make a length of 30m～150m, width is the asphalt road of 5m～20m
Face；
2) cutting of asphalt pavement precast block
Asphalt surface course paves complete, at a temperature of when being down to less than 60 DEG C, use cutting machine, according to required plane
Size is cut into asphalt pavement precast block；
3) freezing of asphalt pavement precast block and transport
Due to the temperature dependency of asphalt intensity, under low temperature, the intensity of asphalt is high, therefore adopts
Improve the intensity of asphalt pavement precast block by freezing and refrigeration method, prevent asphalt pavement precast block in transport and peace
Deformation and breakage in process of assembling, move to freezing workshop by asphalt pavement precast block, and ambient temperature is-10 DEG C～10
DEG C, when asphalt temperature is down to-10 DEG C～10 DEG C, hoisting transportation, use refrigerator car conveying asphalt road surface
Prefabricated section, in transportation, asphalt temperature maintains-10 DEG C～10 DEG C；
4) construction aeolian sand subgrade and crushed rock base course
Use vibrated roller, loader, land leveller and bull-dozer, be layered dry-pressing construction aeolian sand subgrade,
Lift height is 15cm～30cm, and compactness is 93～99%；Use paver, vibrated roller, wheel tire pressure
Road machine layering dry-pressing construction crushed rock base course, lift height is 10cm～25cm, and compactness is 93～99%；
5) asphalt pavement precast block is installed
Before making asphalt pavement precast block, according to road surface size and the unit size of prefabricated section, determine assembly side
Formula, the laying step of asphalt pavement precast block is as follows:
First, by crushed rock base course surface washing with clean up, after surface is dried, spread emulsified asphalt or
Heated bitumen；
Secondly, the upper surface at crushed rock base course lays the reinforcement unit that correspond to asphalt pavement precast block seam crossing,
The seam crossing of asphalt pavement precast block is carried out reinforcement；
Then, asphalt pavement precast block is taken out from refrigerator car, lift and be laid on crushed rock base course surface, every piece
Asphalt pavement precast block controlled in 10min from the time being taken out to be laid on crushed rock base course surface；
Finally, gap between asphalt pavement precast block uses the heated bitumen cementation of fissures two-by-two, it is ensured that asphalt road two-by-two
Secure bond between the prefabricated section of face；
So far, terminate can open to traffic in construction.
The construction method of a kind of desert highway assembled bituminous paving the most according to claim 1, it is special
Levy and be: described substrate is galvanized iron sheet.
The construction method of a kind of desert highway assembled bituminous paving the most according to claim 1 and 2,
It is characterized in that: described substrate thickness is 0.44～1.2mm.
The construction method of a kind of desert highway assembled bituminous paving the most according to claim 1, it is special
Levy and be: described reinforcement unit is GSZ, geotextiles or glass-fiber-fabric.
The construction method of a kind of desert highway assembled bituminous paving the most according to claim 1, it is special
Levy and be: between described crushed rock base course and asphalt pavement precast block combination layer, use emulsified asphalt or heated bitumen to glue
Knot.
The construction method of a kind of desert highway assembled bituminous paving the most according to claim 1, it is special
Levy and be: the planar dimension of described asphalt pavement precast block is: length 5m～20m, width 1m～20m.
The construction method of a kind of desert highway assembled bituminous paving the most according to claim 1, it is special
Levy and be: the thickness of described crushed rock base course is 15cm～100cm.
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| CN201410811096.XA CN104532716B (en) | 2014-12-23 | 2014-12-23 | A kind of desert highway assembled bituminous paving and construction method thereof |
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| CN201410811096.XA CN104532716B (en) | 2014-12-23 | 2014-12-23 | A kind of desert highway assembled bituminous paving and construction method thereof |
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| CN107022937A (en) * | 2017-05-02 | 2017-08-08 | 中交公局第三工程有限公司 | A kind of asphalt pavement road surface and asphalt pavement construction method |
| CN108059396B (en) * | 2017-12-20 | 2020-07-14 | 中交第二航务工程局有限公司 | Aeolian sand cement stabilized graded broken stone |
| CN109778707A (en) * | 2019-03-04 | 2019-05-21 | 重庆市智翔铺道技术工程有限公司 | A kind of Steel Bridge Deck casting type asphaltic mixture solid paving system of prefabricated construction |
| CN110172890A (en) * | 2019-06-25 | 2019-08-27 | 中交第三公路工程局有限公司河北雄安设计咨询分公司 | A kind of combined assembled cement concrete pavement structure and its method of construction |
| CN110644316B (en) * | 2019-08-26 | 2021-08-17 | 武汉理工大学 | Sponge-type prefabricated pavement and construction method thereof |
| CN110863404B (en) * | 2019-11-20 | 2021-07-13 | 哈尔滨工业大学 | Continuous prefabricated asphalt pavement and construction method thereof |
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| JP2572470B2 (en) * | 1990-03-14 | 1997-01-16 | 株式会社スリーボンド | Floor method |
| US6595718B2 (en) * | 2001-09-19 | 2003-07-22 | Works R&D, Inc. | Exo-lift |
| JP2009041227A (en) * | 2007-08-07 | 2009-02-26 | Ishikawajima Constr Materials Co Ltd | Structure and method for joining precast floor slabs together |
| CN101503871B (en) * | 2009-03-19 | 2010-12-29 | 中铁十一局集团有限公司 | Dry-method construction method for drift-sand roadbed |
| CN201433345Y (en) * | 2009-06-26 | 2010-03-31 | 华南理工大学 | Composite pavement structure |
| CN102444066B (en) * | 2011-09-19 | 2014-07-30 | 华南理工大学 | Asphalt pavement prefabricated block and construction method for prefabricated asphalt pavement |
| CN202347383U (en) * | 2011-11-16 | 2012-07-25 | 陈建忠 | Pavement prefabricated member made from asphalt concrete |
| CN204435150U (en) * | 2014-12-23 | 2015-07-01 | 华南理工大学 | A kind of desert highway assembling flexible pavement |
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