CN110453581A - A kind of construction method for punishing semi-rigid asphalt pavement crack - Google Patents
A kind of construction method for punishing semi-rigid asphalt pavement crack Download PDFInfo
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- CN110453581A CN110453581A CN201910695254.2A CN201910695254A CN110453581A CN 110453581 A CN110453581 A CN 110453581A CN 201910695254 A CN201910695254 A CN 201910695254A CN 110453581 A CN110453581 A CN 110453581A
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- pavement crack
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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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
- E01C23/09—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 for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—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 for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—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 for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
Invention provides a kind of construction method for punishing semi-rigid asphalt pavement crack.The construction method is accurately detected using three-dimensional Ground Penetrating Radar fracture position first, according to three-dimensional Ground Penetrating Radar testing result, targetedly lay special slip casting pipe, then counterincision seam surface is sealed, finally implement osmotic grouting, to have the function that improve construction technology, shorten construction period, reduce construction machinery and personnel's investment.
Description
Technical field
The present invention relates to construction engineering technical fields, in particular to a kind of to punish applying for semi-rigid asphalt pavement crack
Work method.
Background technique
Currently, the highway construction of China Higher grade is in the rapid development stage, ends for the end of the year 2018, China's highway
Mileage open to traffic has been over 140,000 kilometers, main roads structure type of the semi-rigid asphalt pavement as high-grade highway
One of, being most widely used in China Higher grade highway accounts for 80% or more of whole high grade pavement.China's highway
On the semi-rigid asphalt pavement that uses be usually to be made of semi-rigid type base underlayment, bituminous pavement etc., as road is handed over
Flux increasingly increases, and heavy-duty vehicle is increasing, and overload of vehicle phenomenon is extremely serious, and by Pavement Structure, weather,
The influence of a variety of environmental factors such as shape landforms, traffic load, semi-rigid type base and asphalt surface course, can generate in various degree with
And crack of different shapes, these cracks are mainly based on reflection crack.Conventional processing semi-rigid asphalt pavement is split
The method of seam has following several, and one is excavation type maintenance mode, this kind of method needs to excavate asphalt surface course and semi-rigid base
Layer, is then paved again in situ, and another kind is that cover is carried out above crack, is not processed to asphalt surface course crack,
Overlay treatment is directly carried out above original bituminous pavement, the third method is to carry out surface using heated bitumen or Self-adhesive band
Punishment, above method existed on the features such as Coherent traffic noise influences big, long construction period, the close traffic time is long, punishment is not thorough.
Summary of the invention
It is existing to solve the object of the present invention is to provide a kind of construction method for punishing semi-rigid asphalt pavement crack
The problem of technology.
To realize the present invention purpose and the technical solution adopted is that such, a kind of punishment semi-rigid asphalt pavement is split
The construction method of seam, comprising the following steps:
1) pavement crack position is cleaned.
2) it is detected, reflection crack is carried out in conjunction with testing result detailed using three-dimensional Ground Penetrating Radar road pavement location of cracks
Subdivision analysis.
2.1) according to design requirement, road conditions are detected using three-dimensional Ground Penetrating Radar in detection range, are obtained
Radar is parallel to the detection gray level image and transverse and longitudinal section detection gray level image on road surface.
2.2) determine pavement crack in the flat of road structure layer different depth according to the detection gray level image for being parallel to road surface
EDS maps situation.
2.3) pavement crack trend, aperture and depth information are determined according to the detection gray level image for being parallel to road surface.Make
Secondary judgement is carried out with transverse and longitudinal section detections of radar gray level image fracture depth.
2.4) normal road structure sheaf reflection configuration is extracted, normal road structure sheaf back wave peak swing F is recorded.It extracts
Along the radar reflection waveform of fracture strike, the signal at fracture position is analyzed, and extracts the crack reflection wave of different depth
Signal.Along road depth direction at interval of the peak swing f of 1cm record primary event signal.If f >=F, judge herein to split
Depth capacity is stitched, and records data.
3) according to the testing result of Ground Penetrating Radar three-dimensional in step 2), if laying dry hole in location of cracks.
4) Grouting Pipe is buried in each drilling.Wherein, the Grouting Pipe is arranged vertically.The tube body upper end of the Grouting Pipe
With injected hole, lower end closed.The lower end of the Grouting Pipe extends to Slit bottom.If the tube body tube wall of the Grouting Pipe is equipped with
Dry mud jacking hole.
5) along pavement crack adhesive seal band.
6) osmosis type slurries are injected in Grouting Pipe.The osmosis type slurry infiltration diffusion and cementing pavement material.
7) injected hole is blocked using heated bitumen.
Further, in step 6), the osmosis type slurries are weighed by the raw material of following parts by weight: 100 parts of portland cement,
25 parts of classified quartz sands, 35 parts of water, 1 part of basic active agent, 10 parts of adhesive, it is mixed to get osmosis type slurries.
Further, in step 1), also there is the correlation step cleaned using the high-power hair dryer fracture line of rabbet joint.
Further, also there is the correlation step on cleaning road surface after step 7).
Further, in step 3), the drilling moves towards arranged for interval along pavement crack, and the center spacing of adjacent drilling is
30cm。
Further, also there is the correlation step of maintenance 30 minutes before step 7).
The solution have the advantages that unquestionable:
A. conventional Treatment Methods are changed, construction technology is improved；
B. construction period is shortened, the influence constructed to traffic is reduced, reduces construction equipment investment and labour
Cooperation；
C. integral construction quality is improved.
Detailed description of the invention
Fig. 1 is Grouting Pipe structural schematic diagram；
Fig. 2 is drilling arrangement schematic diagram.
In figure: Grouting Pipe 1, injected hole 101, mud jacking hole 102.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
Conventional method is mostly the technologies such as excavation type maintenance, outrigger location or pavement recycling, and there are needs to suspend traffic,
Long construction period, punishment effect are bad.The present embodiment provides it is a kind of punish semi-rigid asphalt pavement crack construction method,
The following steps are included:
1) pavement crack position is cleaned, is cleaned using the high-power hair dryer fracture line of rabbet joint.
2) it is detected, reflection crack is carried out in conjunction with testing result detailed using three-dimensional Ground Penetrating Radar road pavement location of cracks
Subdivision analysis.Wherein, the detection content of three-dimensional Ground Penetrating Radar is the position in crack, the size in crack and base with the disease of lower portion
Evil situation.Three-dimensional Ground Penetrating Radar gray level image can show road surface transverse and longitudinal section and the radar for being parallel to road surfaces different depth
Image passes through the comprehensive analysis to three angle detecting results, it can be determined that pavement crack width and development layer position.
2.1) according to design requirement, road conditions are detected using three-dimensional Ground Penetrating Radar in detection range, are obtained
Radar is parallel to the detection gray level image and transverse and longitudinal section detection gray level image on road surface.
2.2) determine pavement crack in the flat of road structure layer different depth according to the detection gray level image for being parallel to road surface
EDS maps situation.
2.3) pavement crack trend, aperture and depth information are determined according to the detection gray level image for being parallel to road surface.Make
Secondary judgement is carried out with transverse and longitudinal section detections of radar gray level image fracture depth.
2.4) normal road structure sheaf reflection configuration is extracted, normal road structure sheaf back wave peak swing F is recorded.It extracts
Along the radar reflection waveform of fracture strike, the signal at fracture position is analyzed, and extracts the crack reflection wave of different depth
Signal.Along road depth direction at interval of the peak swing f of 1cm record primary event signal.By the reflection signal of crack location
Peak swing f and normal road structure sheaf reflected amplitude F.If f ≯ F, judge herein as crack depth capacity, and record number
According to.
3) it according to the testing result of Ground Penetrating Radar three-dimensional in step 2, lays and drills in location of cracks.Referring to fig. 2, drill edge
Pavement crack moves towards arranged for interval, and the center spacing of adjacent drilling is 30cm.
4) Grouting Pipe 1 is buried in each drilling.Wherein, the Grouting Pipe 1 is arranged vertically.Referring to Fig. 1, the Grouting Pipe
1 tube body upper end has injected hole 101, lower end closed.The lower end of the Grouting Pipe 1 extends to Slit bottom.In actual production,
The two sides of the tube body tube wall of the Grouting Pipe 1 are equipped with mud jacking hole 102.The opening direction and crack propagation direction in mud jacking hole 102
It is identical.
5) along pavement crack adhesive seal band.
6) osmosis type slurries are injected in Grouting Pipe 1.The osmosis type slurry infiltration diffusion and cementing pavement material.Its
In, osmosis type slurries are weighed by the raw material of following parts by weight: 100 parts of portland cement, 25 parts of classified quartz sands, and 35 parts of water, alkali
1 part of activating agent, 10 parts of adhesive, it is mixed to get osmosis type slurries；.
7) it conserves 30 minutes, blocks injected hole 101 using heated bitumen.
8) road surface is cleaned.
Embodiment 2:
The present embodiment provides a kind of construction methods in the punishment semi-rigid asphalt pavement crack on basis, including following step
It is rapid:
1) pavement crack position is cleaned.
2) it is detected, reflection crack is carried out in conjunction with testing result detailed using three-dimensional Ground Penetrating Radar road pavement location of cracks
Subdivision analysis.
2.1) according to design requirement, road conditions are detected using three-dimensional Ground Penetrating Radar in detection range, are obtained
Radar is parallel to the detection gray level image and transverse and longitudinal section detection gray level image on road surface.
2.2) determine pavement crack in the flat of road structure layer different depth according to the detection gray level image for being parallel to road surface
EDS maps situation.
2.3) pavement crack trend, aperture and depth information are determined according to the detection gray level image for being parallel to road surface.Make
Secondary judgement is carried out with transverse and longitudinal section detections of radar gray level image fracture depth.
2.4) normal road structure sheaf reflection configuration is extracted, normal road structure sheaf back wave peak swing F is recorded.It extracts
Along the radar reflection waveform of fracture strike, the signal at fracture position is analyzed, and extracts the crack reflection wave of different depth
Signal.Along road depth direction at interval of the peak swing f of certain distance record primary event signal.If f ≯ F judges this
Place is crack depth capacity, and records data.
3) according to the testing result of Ground Penetrating Radar three-dimensional in step 2, if laying dry hole in location of cracks.
4) Grouting Pipe 1 is buried in each drilling.Wherein, the Grouting Pipe 1 is arranged vertically.The tube body of the Grouting Pipe 1
Upper end has injected hole 101, lower end closed.The lower end of the Grouting Pipe 1 extends to Slit bottom.The tube body pipe of the Grouting Pipe 1
Wall is equipped with mud jacking hole 102.Osmotic grouting material can be made transversely to spread using special Grouting Pipe 1, can be good at filling out
Fill crack on road.
5) along pavement crack adhesive seal band.
6) osmosis type slurries are injected in Grouting Pipe 1.The osmosis type slurry infiltration diffusion and cementing pavement material.
7) injected hole 101 is blocked using heated bitumen.
It is worth noting that the present embodiment changes the Treatment Methods in conventional treatment semi-rigid asphalt pavement crack,
To have the function that improve construction technology, shorten construction period, reduction construction machinery and personnel's investment.
Embodiment 3:
The present embodiment key step is the same as embodiment 2, wherein in step 6), the osmosis type slurries are by following parts by weight
Raw material weighs: 100 parts of portland cement, 25 parts of classified quartz sands, 35 parts of water, 1 part of basic active agent, 10 parts of adhesive, mixing
To osmosis type slurries.The osmosis type slurry viscosity is low, osmosis type is good, can be good at diffusion and cementing pavement material.
Embodiment 4:
The present embodiment key step is the same as embodiment 2, wherein in step 1), also has and uses high-power hair dryer fracture
The correlation step that the line of rabbet joint is cleaned.
Embodiment 5:
The present embodiment key step is the same as embodiment 2, wherein also has the correlation step on cleaning road surface after step 7).
Embodiment 6:
The present embodiment key step is the same as embodiment 2, wherein in step 3), the drilling moves towards interval cloth along pavement crack
It sets, the center spacing of adjacent drilling is 30cm.
Embodiment 7:
The present embodiment key step is the same as embodiment 2, wherein also has the correlation step of maintenance 30 minutes before step 7).
Embodiment 8:
The present embodiment key step is the same as embodiment 2, wherein the detection range in step 2.1) is 1.5m range before and after crack
It is interior.
Claims (7)
1. a kind of construction method for punishing semi-rigid asphalt pavement crack, which comprises the following steps:
1) pavement crack position is cleaned；
2) it is detected using three-dimensional Ground Penetrating Radar road pavement location of cracks, reflection crack is divided in detail in conjunction with testing result
Analysis；
2.1) according to design requirement, road conditions are detected using three-dimensional Ground Penetrating Radar in detection range, obtain radar
It is parallel to the detection gray level image and transverse and longitudinal section detection gray level image on road surface；
2.2) determine pavement crack in the plane point of road structure layer different depth according to the detection gray level image for being parallel to road surface
Cloth situation；
2.3) pavement crack trend, aperture and depth information are determined according to the detection gray level image for being parallel to road surface；Use cross
Vertical section detections of radar gray level image fracture depth carries out secondary judgement；
2.4) normal road structure sheaf reflection configuration is extracted, normal road structure sheaf back wave peak swing F is recorded；Edge is extracted to split
The radar reflection waveform of trend is stitched, the signal at fracture position is analyzed, and the crack reflection wave signal of different depth is extracted；
Along road depth direction at interval of the peak swing f of certain distance record primary event signal；If f ≯ F, judge herein to split
Depth capacity is stitched, and records data；
3) according to the testing result of Ground Penetrating Radar three-dimensional in step 2), if laying dry hole in location of cracks；
4) Grouting Pipe (1) is buried in each drilling；Wherein, the Grouting Pipe (1) is arranged vertically；The pipe of the Grouting Pipe (1)
Body upper end has injected hole (101), lower end closed；The lower end of the Grouting Pipe (1) extends to Slit bottom；The Grouting Pipe (1)
Tube body tube wall be equipped with several mud jacking holes (102)；
5) along pavement crack adhesive seal band；
6) osmosis type slurries are injected in Grouting Pipe (1)；The osmosis type slurry infiltration diffusion and cementing pavement material；
7) injected hole (101) are blocked using heated bitumen.
2. a kind of construction method for punishing semi-rigid asphalt pavement crack according to claim 1, it is characterised in that:
In step 6), the osmosis type slurries are weighed by the raw material of following parts by weight: 100 parts of portland cement, 25 parts of classified quartz sands,
35 parts of water, 1 part of basic active agent, 10 parts of adhesive, it is mixed to get osmosis type slurries.
3. a kind of construction method for punishing semi-rigid asphalt pavement crack according to claim 1, it is characterised in that:
In step 1), also there is the correlation step cleaned using the high-power hair dryer fracture line of rabbet joint.
4. a kind of construction method for punishing semi-rigid asphalt pavement crack according to claim 1, it is characterised in that:
Also there is the correlation step on cleaning road surface after step 7).
5. a kind of construction method for punishing semi-rigid asphalt pavement crack according to claim 1, it is characterised in that:
In step 3), the drilling moves towards arranged for interval along pavement crack, and the center spacing of adjacent drilling is 30cm.
6. a kind of construction method for punishing semi-rigid asphalt pavement crack according to claim 1, it is characterised in that:
Also there is the correlation step of maintenance 30 minutes before step 7).
7. a kind of construction method for punishing semi-rigid asphalt pavement crack according to claim 1, it is characterised in that:
Detection range in step 2.1) is within the scope of the 1.5m of crack front and back.
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| CN201910695254.2A CN110453581B (en) | 2019-07-30 | 2019-07-30 | Construction method for treating semi-rigid base asphalt pavement cracks |
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| CN201910695254.2A CN110453581B (en) | 2019-07-30 | 2019-07-30 | Construction method for treating semi-rigid base asphalt pavement cracks |
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Cited By (3)
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| CN111893826A (en) * | 2020-08-05 | 2020-11-06 | 沈阳工业大学 | Construction method for treating roadbed damage and grouting |
| CN112626994A (en) * | 2020-12-23 | 2021-04-09 | 河南长安交通科技发展有限公司 | Chemical treatment method for road semi-rigid base cracks |
| CN112684440A (en) * | 2020-12-17 | 2021-04-20 | 江苏中路工程技术研究院有限公司 | Crack evaluation method based on three-dimensional ground penetrating radar detection |
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