CN116397496A - Asphalt pavement anti-cracking base cloth construction method - Google Patents
Asphalt pavement anti-cracking base cloth construction method Download PDFInfo
- Publication number
- CN116397496A CN116397496A CN202310563105.7A CN202310563105A CN116397496A CN 116397496 A CN116397496 A CN 116397496A CN 202310563105 A CN202310563105 A CN 202310563105A CN 116397496 A CN116397496 A CN 116397496A
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- China
- Prior art keywords
- cracking base
- base cloth
- cracking
- road
- asphalt pavement
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- 239000004744 fabric Substances 0.000 title claims abstract description 61
- 238000005336 cracking Methods 0.000 title claims abstract description 49
- 239000010426 asphalt Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- 239000012790 adhesive layer Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 229920006332 epoxy adhesive Polymers 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 239000004635 Polyester fiberglass Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/03—Arrangements for curing paving; Devices for applying curing means; Devices for laying prefabricated underlay, e.g. sheets, membranes; Protecting paving under construction or while curing, e.g. use of tents
-
- 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
- E01C11/00—Details of pavings
-
- 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
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides an asphalt pavement anti-cracking base cloth construction method, which comprises the following steps: cleaning and leveling a pavement to be constructed; uniformly paving an adhesive layer on the road surface by using a roller device; the adhesive layer comprises an epoxy adhesive; after the epoxy resin binder is paved, the anti-cracking base cloth is paved flatly, so that the fluff surface of the base cloth is uniformly bonded with the epoxy resin binder, the smooth surface of the base cloth is upward, and the adjacent anti-cracking base cloths are fixed by a nailing gun; paving adjacent anti-cracking base fabrics in a lap joint mode; rolling the laid anti-cracking base cloth by using a pneumatic tire roller; mixing asphalt mixture, paving the road by using a paver, compacting the road by using a steel wheel road roller and a rubber wheel road roller, and filling and compacting a construction joint on the road surface by using the paver and the compactor. The invention can improve the stability of laying the anti-cracking base cloth, thereby improving the strength and toughness of the pavement and ensuring the stability of the asphalt pavement in use.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to an anti-cracking base cloth construction method for an asphalt pavement.
Background
Asphalt pavement often has cracks due to heavy traffic, obvious unbalance of traffic load, uneven settlement of roadbed, low-temperature shrinkage, temperature fatigue and the like. After the asphalt pavement is cracked, the pavement is soaked into the pavement structural layer under water, so that the pavement bearing capacity is reduced. On the one hand, water reduces asphalt adhesion, resulting in reduced asphalt mix strength, stiffness, and flaking of asphalt from the aggregate surface; on the other hand, in rainy season, free water in the pavement crack can produce fairly big dynamic water pressure under the effect of driving load, and the pressurized water constantly washes the fine material in the basic unit material, and fine material thick liquid is compressed out the crack gradually, forms the purt thick liquid of asphalt surface course crack department, and once the fine material thick liquid is purt out, asphalt surface layer will produce the subsidence phenomenon along the crack, causes new crack simultaneously in the both sides of crack, leads to pavement crack both sides to the road surface large tracts of land damage is initiated gradually, seriously influences asphalt pavement life.
Utilize the anticracking base cloth to carry out anticracking protection to bituminous paving among the prior art, but adopt the viscose layer pitch oil to fix with the road surface when anticracking base cloth lays, but can take place to spread when spreading and spill inhomogeneous condition and appear, easily cause anticracking base cloth to misplace like this to cause overlap joint dislocation, and then make the anticracking effect reduce.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an anti-cracking base cloth construction method for an asphalt pavement.
In order to achieve the above object, the present invention provides the following solutions:
an asphalt pavement anti-cracking base fabric construction method comprises the following steps:
cleaning and leveling a pavement to be constructed;
uniformly paving an adhesive layer on the road surface by using a roller device; the adhesive layer comprises an epoxy adhesive;
after the epoxy resin binder is paved, the anti-cracking base cloth is paved flatly, so that the fluff surface of the base cloth is uniformly bonded with the epoxy resin binder, the smooth surface of the base cloth is upward, and the adjacent anti-cracking base cloths are fixed by a nailing gun; paving adjacent anti-cracking base fabrics in a lap joint mode;
rolling the laid anti-cracking base cloth by using a pneumatic tire roller;
mixing asphalt mixture, paving the road by using a paver, compacting the road by using a steel wheel road roller and a rubber wheel road roller, and filling and compacting a construction joint on the road surface by using the paver and the compactor.
Preferably, the overlapping area of the adjacent anti-cracking base cloth is also pressed by the cement stabilized macadam base.
Preferably, the transverse lap joint amount of the anti-cracking base cloth is not less than 20cm when in lap joint, and the longitudinal lap joint amount is not less than 10cm.
Preferably, asphalt oil is also sprayed between the lap joint cloth surfaces.
Preferably, when the asphalt pavement to be paved is completely naturally cooled to the temperature of the surrounding ground, the traffic is opened after the surface temperature is lower than 50 ℃.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides an asphalt pavement anti-cracking base cloth construction method, which comprises the following steps: cleaning and leveling a pavement to be constructed; uniformly paving an adhesive layer on the road surface by using a roller device; the adhesive layer comprises an epoxy adhesive; after the epoxy resin binder is paved, the anti-cracking base cloth is paved flatly, so that the fluff surface of the base cloth is uniformly bonded with the epoxy resin binder, the smooth surface of the base cloth is upward, and the adjacent anti-cracking base cloths are fixed by a nailing gun; paving adjacent anti-cracking base fabrics in a lap joint mode; rolling the laid anti-cracking base cloth by using a pneumatic tire roller; mixing asphalt mixture, paving the road by using a paver, compacting the road by using a steel wheel road roller and a rubber wheel road roller, and filling and compacting a construction joint on the road surface by using the paver and the compactor. The invention can improve the stability of laying the anti-cracking base cloth, thereby improving the strength and toughness of the pavement and ensuring the stability of the asphalt pavement in use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an asphalt pavement anti-cracking base fabric construction method which can improve the stability of paving anti-cracking base fabric, so that the strength and toughness of a pavement are improved, and the stability of the asphalt pavement in use is ensured.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Fig. 1 is a flowchart of a method provided by an embodiment of the present invention, and as shown in fig. 1, the present invention provides a method for applying an anti-cracking base fabric for an asphalt pavement, including:
step 100: cleaning and leveling a pavement to be constructed;
step 200: uniformly paving an adhesive layer on the road surface by using a roller device; the adhesive layer comprises an epoxy adhesive;
step 300: after the epoxy resin binder is paved, the anti-cracking base cloth is paved flatly, so that the fluff surface of the base cloth is uniformly bonded with the epoxy resin binder, the smooth surface of the base cloth is upward, and the adjacent anti-cracking base cloths are fixed by a nailing gun; paving adjacent anti-cracking base fabrics in a lap joint mode;
step 400: rolling the laid anti-cracking base cloth by using a pneumatic tire roller;
step 500: mixing asphalt mixture, paving the road by using a paver, compacting the road by using a steel wheel road roller and a rubber wheel road roller, and filling and compacting a construction joint on the road surface by using the paver and the compactor.
Specifically, the anti-cracking base fabric in this embodiment is polyester fiberglass cloth, geotextile, geogrid or other stripe polymers. The polyester glass fiber cloth is a brand new glass fiber composite anti-cracking material, and is a composite geosynthetic material consisting of 60% of glass fibers and 40% of polyester fibers.
Further, the roller device applied in the present embodiment is a three-roller paver.
Preferably, the overlapping area of the adjacent anti-cracking base cloth is also pressed by the cement stabilized macadam base.
Optionally, cement stabilized macadam is also paved in the overlapping area of the adjacent anti-cracking base cloth in the embodiment, so that each adjacent anti-cracking base cloth can be tightly fixed together.
Preferably, the transverse lap joint amount of the anti-cracking base cloth is not less than 20cm when in lap joint, and the longitudinal lap joint amount is not less than 10cm.
Preferably, asphalt oil is also sprayed between the lap joint cloth surfaces.
Optionally, the spraying amount of the hot asphalt oil uniformly sprayed in the embodiment is 0.8-1kg/m 2 。
Preferably, when the asphalt pavement to be paved is completely naturally cooled to the temperature of the surrounding ground, the traffic is opened after the surface temperature is lower than 50 ℃.
The beneficial effects of the invention are as follows:
(1) The epoxy resin binder and the nail gun used in the invention fix the anti-cracking base cloth, so that the stability of laying the anti-cracking base cloth can be improved.
(2) The invention can improve the strength and toughness of the pavement, and obviously improve the resistance of the pavement to adverse factors such as heavy load traffic, obvious unbalance of traffic load, uneven settlement of roadbed, low-temperature shrinkage, temperature fatigue and the like, and effectively reduce the formation of cracks of the asphalt pavement, thereby prolonging the service life of the asphalt pavement.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (5)
1. The utility model provides an asphalt pavement anti-cracking base cloth construction method which is characterized by comprising the following steps:
cleaning and leveling a pavement to be constructed;
uniformly paving an adhesive layer on the road surface by using a roller device; the adhesive layer comprises an epoxy adhesive;
after the epoxy resin binder is paved, the anti-cracking base cloth is paved flatly, so that the fluff surface of the base cloth is uniformly bonded with the epoxy resin binder, the smooth surface of the base cloth is upward, and the adjacent anti-cracking base cloths are fixed by a nailing gun; paving adjacent anti-cracking base fabrics in a lap joint mode;
rolling the laid anti-cracking base cloth by using a pneumatic tire roller;
mixing asphalt mixture, paving the road by using a paver, compacting the road by using a steel wheel road roller and a rubber wheel road roller, and filling and compacting a construction joint on the road surface by using the paver and the compactor.
2. The asphalt pavement anti-cracking base fabric construction method according to claim 1, wherein the overlapping area of adjacent anti-cracking base fabrics is further pressed by cement stabilized macadam base layers.
3. The method for constructing an anti-cracking base fabric for asphalt pavement according to claim 1, wherein the transverse lap joint amount of the anti-cracking base fabric is not less than 20cm and the longitudinal lap joint amount is not less than 10cm during lap joint.
4. The asphalt pavement anti-cracking base fabric construction method according to claim 1, wherein asphalt oil is further sprinkled between the overlapping cloth surfaces.
5. The asphalt pavement anti-cracking base fabric construction method according to claim 1, wherein when the asphalt pavement to be paved is completely naturally cooled to the temperature of the surrounding ground, the traffic is opened after the surface temperature is lower than 50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310563105.7A CN116397496A (en) | 2023-05-18 | 2023-05-18 | Asphalt pavement anti-cracking base cloth construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310563105.7A CN116397496A (en) | 2023-05-18 | 2023-05-18 | Asphalt pavement anti-cracking base cloth construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116397496A true CN116397496A (en) | 2023-07-07 |
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ID=87007808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310563105.7A Pending CN116397496A (en) | 2023-05-18 | 2023-05-18 | Asphalt pavement anti-cracking base cloth construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116397496A (en) |
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2023
- 2023-05-18 CN CN202310563105.7A patent/CN116397496A/en active Pending
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