CN114250677A - Road invisible disease accurate positioning and grouting method - Google Patents
Road invisible disease accurate positioning and grouting method Download PDFInfo
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- CN114250677A CN114250677A CN202111640206.7A CN202111640206A CN114250677A CN 114250677 A CN114250677 A CN 114250677A CN 202111640206 A CN202111640206 A CN 202111640206A CN 114250677 A CN114250677 A CN 114250677A
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- 201000010099 disease Diseases 0.000 title claims abstract description 172
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 claims abstract description 69
- 239000010410 layer Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 18
- 239000002344 surface layer Substances 0.000 claims description 18
- 238000005553 drilling Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000007799 cork Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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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
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The application discloses accurate location and slip casting method of invisible road diseases, including: acquiring a radar image inside a road surface; determining the disease type of the invisible diseases in the radar image in the pavement according to a preset rule; determining the position of an invisible disease according to the radar image in the pavement; determining a grouting construction scheme according to the disease type; grouting construction is carried out on the invisible disease position according to the grouting construction scheme; the method and the device can analyze the specific conditions of the invisible diseases in the road, classify the diseases, and formulate different grouting construction schemes according to different disease types; the method has the advantages that the diseases are accurately positioned, and different grouting construction schemes are adopted, so that the disease treatment effect is improved; the method determines the specific standards of different disease types, and improves the efficiency of treating the diseases; this application has avoided boring the core sample to the road surface and has judged again, has reduced the destruction to the road surface, has practiced thrift a large amount of manpower and materials.
Description
Technical Field
The application relates to the technical field of road disease detection, in particular to a method for accurately positioning and grouting invisible road diseases.
Background
With the rapid development of economy, the highway construction business of China develops rapidly, a road network of a certain scale is formed, and the development of national economy is promoted while the travel demand of people is met. With the rapid development of highway industry, the highway maintenance task is increasingly heavy. The road sequentially comprises a surface layer, a base layer and a subbase layer from top to bottom, wherein the surface layer comprises an upper surface layer part and a lower surface layer part, and the base layer comprises an upper base layer and a lower base layer; in the process of determining and evaluating more and more highway maintenance schemes, the support of pavement structure recessive disease data is needed, including internal cracks, looseness, void of an asphalt surface layer, cracking of a base layer, void under a bridge head butt strap and the like.
At present, a core drilling sampling technology is mainly used for detecting and maintaining diseases in roads, loose base layers and road surface layers are dug, roadbed or subbase layers are compacted again, and the road surface is paved again after the designed strength is achieved. However, the method damages the road surface on one hand, and on the other hand, the treatment method needs to close the traffic to cause traffic jam, and meanwhile, the construction quality cannot be guaranteed due to the influence of external environmental conditions.
Disclosure of Invention
In order to solve the problems that in the prior art, when invisible road diseases are treated, a drill core sampling technology is used to destroy the road surface, and the construction efficiency is low, the application discloses an accurate positioning and grouting method for the invisible road diseases.
The application discloses accurate location and slip casting method of invisible road diseases, including:
acquiring a radar image inside a road surface;
determining the disease type of the invisible diseases in the radar image in the pavement according to a preset rule; the disease types comprise crack type diseases, interlayer bad type diseases and loose type diseases; the crack type diseases comprise a crack-free type in the middle of up-and-down development, a partial penetrating type in the middle of up-and-down development, a complete penetrating type and a top-and-bottom type;
determining the position of an invisible disease according to the radar image in the pavement;
determining a grouting construction scheme according to the disease type; the grouting construction scheme comprises hole distribution, wherein if the type of the diseases is crack type diseases, linear hole distribution is selected, and the distance between the hole distribution is 0.55 m; if the disease type is an interlayer bad disease, selecting quincuncial pile holes, wherein the distance between the holes is 1.5 m; if the disease type is a loose disease, selecting quincuncial pile holes with the distance of 0.75 m;
and grouting the invisible disease position according to the grouting construction scheme.
Optionally, after the radar image inside the road surface is acquired, the method further includes:
and analyzing the development position, type, severity and range of the invisible diseases in the radar image in the pavement.
Optionally, in the determining of the disease type of the invisible disease in the radar image inside the road surface according to a preset rule, the preset rule is as follows: if the upper part of the surface layer cracks on the whole cross section of the radar image in the pavement, the middle lower part of the surface layer has no cracks, the base layer has through cracks, and the disease type is judged to be a crack-free type with up-down development;
if the cracks are basically completely penetrated on the whole cross section of the radar image in the pavement, and only the middle part of the radar image is not cracked, judging that the disease type is a vertical development middle crack local penetrating type;
if the cracks are completely penetrated on the whole cross section of the radar image in the pavement, judging that the disease type is a completely penetrated type;
if only the surface layer of the crack appears on the whole cross section of the radar image in the pavement and other places are intact, judging that the type of the disease is a top-down type;
if a highlight parabola or a highlight homophase axis in a small range exists on the vertical slice image of the radar image in the road surface, judging that the disease type is an interlayer bad disease;
and if a plurality of holes appear on the surface layer, the base layer or the subbase layer in the radar image in the road surface, judging that the disease type is a loose disease.
Optionally, the determining the invisible disease position according to the radar image inside the road surface includes:
and expanding the maximum range of the disease position by 50cm outwards to form a rectangular area as a construction area.
Optionally, the grouting construction scheme further includes: construction preparation, radar seam detection, drilling, hole cleaning, sealing ring pre-embedding, grouting and pavement restoration.
Optionally, before the grouting construction is performed on the invisible disease position according to the grouting construction scheme, the method further includes:
and marking the positions of the cloth holes by using spray paint.
Optionally, the grouting construction is performed on the invisible disease position according to the grouting construction scheme, and the grouting construction method includes:
drilling the marked position; the diameter of a drill used for drilling is 20mm, and the drilling angle is kept vertical; when the invisible diseases are positioned above the upper base layer and the lower base layer, the punching depth is 40 cm; when the invisible diseases are positioned above the lower base layer and the lower base layer, the punching depth is 55 cm.
Optionally, the grouting construction is performed on the invisible disease position according to the grouting construction scheme, and the method further includes:
embedding the sealing ring coated with the lubricant into the hole, and embedding the sealing assembly by using an impact electric hammer, wherein the embedding depth is 14 cm;
and reserving a hole as an exhaust hole at every 4 holes.
Optionally, the grouting construction is performed on the invisible disease position according to the grouting construction scheme, and the method further includes:
after the sealing ring is pre-embedded, the special gun head penetrates through the center of the sealing ring, so that the gun head is firmly inserted and tightly connected.
Optionally, the grouting construction is performed on the invisible disease position according to the grouting construction scheme, and the method further includes:
observing the change conditions of grouting holes and peripheral pavements after grouting begins;
stopping grouting when the surface overflows the slurry;
after grouting, closing the grouting valve; and (3) stabilizing the pressure for 3-5 min by adopting cork plug hole sealing, wherein the grouting pressure is 0.2 MPa.
The application discloses accurate location and slip casting method of invisible road diseases, including: acquiring a radar image inside a road surface; determining the disease type of the invisible diseases in the radar image in the pavement according to a preset rule; determining the position of an invisible disease according to the radar image in the pavement; determining a grouting construction scheme according to the disease type; and grouting the invisible disease position according to the grouting construction scheme.
The method and the device can analyze the specific conditions of the invisible diseases in the road, classify the diseases, and formulate different grouting construction schemes according to different disease types; the method has the advantages that the diseases are accurately positioned, and different grouting construction schemes are adopted, so that the disease treatment effect is improved; the method and the device determine the specific standards of different disease types, and improve the disease treatment efficiency. This application has avoided boring the core sample to the road surface and has judged again, has reduced the destruction to the road surface, has practiced thrift a large amount of manpower and materials.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for accurately positioning and grouting invisible road diseases, disclosed in the embodiments of the present application.
Detailed Description
In order to solve the problems that in the prior art, when invisible road diseases are treated, a drill core sampling technology is used to destroy the road surface, and the construction efficiency is low, the application discloses an accurate positioning and grouting method for the invisible road diseases.
The application discloses accurate location of stealthy disease of road and slip casting method, refer to the flow schematic diagram that figure 1 shows, include:
And step 102, determining the disease type of the invisible diseases in the radar image in the pavement according to a preset rule. The disease types comprise crack type diseases, interlayer poor diseases and loose diseases. The crack type diseases comprise a crack-free type in the middle of up-and-down development, a partial penetrating type in the middle of up-and-down development, a complete penetrating type and a top-and-bottom type.
And 103, determining the positions of the invisible diseases according to the radar images in the road surface. Specifically, accurate positioning is realized by combining RTK reference station, distance measuring wheel or GPS combined positioning field lofting.
And 104, determining a grouting construction scheme according to the disease type. The grouting construction scheme comprises hole distribution, and if the type of the diseases is crack type diseases, linear hole distribution is selected, wherein the distance between every two adjacent holes is 0.55 m. If the disease type is an interlayer bad disease, quincuncial pile holes are distributed at the interval of 1.5 meters. If the disease type is loose, quincuncial pile holes are distributed, and the distance between the holes is 0.75 m.
And 105, grouting the invisible disease position according to the grouting construction scheme.
Further, after the acquiring the radar image of the interior of the road surface, the method further includes:
and analyzing the development position, type, severity and range of the invisible diseases in the radar image in the pavement.
Further, in the determining of the disease type of the invisible disease in the radar image inside the road surface according to a preset rule, the preset rule is as follows: and if the upper part of the surface layer cracks on the whole cross section of the radar image in the pavement, the middle lower part of the surface layer has no cracks, the base layer has through cracks, and the disease type is judged to be a vertically developed middle crack-free type.
And if the cracks are basically completely penetrated on the whole cross section of the radar image in the road surface and only the middle part of the radar image is not cracked, judging that the disease type is a vertical development middle crack local penetrating type.
And if the cracks completely penetrate through the whole cross section of the radar image in the road surface, judging that the disease type is a completely penetrating type.
And if only the surface layer of the crack appears on the whole cross section of the radar image in the road surface and the other parts are intact, judging that the type of the disease is a top-down type.
And if a highlight parabola or a highlight homophase axis in a small range exists on the vertical slice image of the radar image in the road surface, judging that the disease type is an interlayer bad disease.
And if a plurality of holes appear on the surface layer, the base layer or the subbase layer in the radar image in the road surface, judging that the disease type is a loose disease.
Further, the determining the position of the invisible disease according to the radar image inside the pavement comprises:
the maximum range of the disease position is used as a reference and is expanded by 50cm outwards to form a rectangular area as a construction area, the construction area can be ensured to completely cover the disease area, and meanwhile, the construction convenience is improved.
Further, the grouting construction scheme further comprises: construction preparation, radar seam detection, drilling, hole cleaning, sealing ring pre-embedding, grouting and pavement restoration.
Further, before the grouting construction is performed on the invisible disease position according to the grouting construction scheme, the method further includes:
and marking the positions of the cloth holes by using spray paint.
Further, according to the grouting construction scheme, grouting construction is performed on the invisible disease position, and the grouting construction method comprises the following steps:
and drilling the marked position. The drill used for drilling was 20mm in diameter and the drilling angle was kept vertical. When the invisible diseases are positioned above the upper base layer and the lower base layer, the punching depth is 40 cm. When the invisible diseases are positioned above the lower base layer and the lower base layer, the punching depth is 55 cm.
Further, according to the grouting construction scheme, grouting construction is performed on the invisible disease position, and the method further comprises the following steps:
and embedding the sealing ring coated with the lubricant into the hole, and embedding the sealing assembly by using an impact electric hammer, wherein the embedding depth is 14 cm.
And reserving a hole as an exhaust hole at every 4 holes.
Further, according to the grouting construction scheme, grouting construction is performed on the invisible disease position, and the method further comprises the following steps:
after the sealing ring is pre-embedded, the special gun head penetrates through the center of the sealing ring, so that the gun head is firmly inserted and tightly connected.
Further, according to the grouting construction scheme, grouting construction is performed on the invisible disease position, and the method further comprises the following steps:
and after grouting is started, observing changes of grouting holes and peripheral pavements.
And stopping grouting when the surface overflows.
And after the grouting is finished, closing the grouting valve. And (3) stabilizing the pressure for 3-5 min by adopting cork plug hole sealing, wherein the grouting pressure is 0.2 MPa.
The application discloses accurate location and slip casting method of invisible road diseases, including: acquiring a radar image inside a road surface; determining the disease type of the invisible diseases in the radar image in the pavement according to a preset rule; determining the position of an invisible disease according to the radar image in the pavement; determining a grouting construction scheme according to the disease type; and grouting the invisible disease position according to the grouting construction scheme.
The method and the device can analyze the specific conditions of the invisible diseases in the road, classify the diseases, and formulate different grouting construction schemes according to different disease types; the method has the advantages that the diseases are accurately positioned, and different grouting construction schemes are adopted, so that the disease treatment effect is improved; the method determines the specific standards of different disease types, and improves the efficiency of treating the diseases; this application has avoided boring the core sample to the road surface and has judged again, has reduced the destruction to the road surface, has practiced thrift a large amount of manpower and materials.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A method for accurately positioning and grouting invisible road diseases is characterized by comprising the following steps:
acquiring a radar image inside a road surface;
determining the disease type of the invisible diseases in the radar image in the pavement according to a preset rule; the disease types comprise crack type diseases, interlayer bad type diseases and loose type diseases; the crack type diseases comprise a crack-free type in the middle of up-and-down development, a partial penetrating type in the middle of up-and-down development, a complete penetrating type and a top-and-bottom type;
determining the position of an invisible disease according to the radar image in the pavement;
determining a grouting construction scheme according to the disease type; the grouting construction scheme comprises hole distribution, wherein if the type of the diseases is crack type diseases, linear hole distribution is selected, and the distance between the hole distribution is 0.55 m; if the disease type is an interlayer bad disease, selecting quincuncial pile holes, wherein the distance between the holes is 1.5 m; if the disease type is a loose disease, selecting quincuncial pile holes with the distance of 0.75 m;
and grouting the invisible disease position according to the grouting construction scheme.
2. The method for accurately positioning and grouting the invisible road diseases according to claim 1, wherein after the radar image in the interior of the road surface is acquired, the method further comprises the following steps:
and analyzing the development position, type, severity and range of the invisible diseases in the radar image in the pavement.
3. The method for accurately positioning and grouting the invisible diseases on the road according to claim 1, wherein the disease types of the invisible diseases in the radar image in the road surface are determined according to preset rules, and the preset rules are as follows: if the upper part of the surface layer cracks on the whole cross section of the radar image in the pavement, the middle lower part of the surface layer has no cracks, the base layer has through cracks, and the disease type is judged to be a crack-free type with up-down development;
if the cracks are basically completely penetrated on the whole cross section of the radar image in the pavement, and only the middle part of the radar image is not cracked, judging that the disease type is a vertical development middle crack local penetrating type;
if the cracks are completely penetrated on the whole cross section of the radar image in the pavement, judging that the disease type is a completely penetrated type;
if only the surface layer of the crack appears on the whole cross section of the radar image in the pavement and other places are intact, judging that the type of the disease is a top-down type;
if a highlight parabola or a highlight homophase axis in a small range exists on the vertical slice image of the radar image in the road surface, judging that the disease type is an interlayer bad disease;
and if a plurality of holes appear on the surface layer, the base layer or the subbase layer in the radar image in the road surface, judging that the disease type is a loose disease.
4. The method for accurately positioning and grouting the invisible diseases on the road according to claim 1, wherein the step of determining the positions of the invisible diseases according to the radar images inside the road comprises the following steps:
and expanding the maximum range of the disease position by 50cm outwards to form a rectangular area as a construction area.
5. The method for accurately positioning and grouting invisible road diseases according to claim 1, wherein the grouting construction scheme further comprises the following steps: construction preparation, radar seam detection, drilling, hole cleaning, sealing ring pre-embedding, grouting and pavement restoration.
6. The method for accurately positioning and grouting invisible road diseases according to claim 1, wherein before grouting construction is performed on invisible disease positions according to the grouting construction scheme, the method further comprises the following steps:
and marking the positions of the cloth holes by using spray paint.
7. The method for accurately positioning and grouting the invisible road diseases according to claim 6, wherein the grouting construction of the invisible road diseases according to the grouting construction scheme comprises the following steps:
drilling the marked position; the diameter of a drill used for drilling is 20mm, and the drilling angle is kept vertical; when the invisible diseases are positioned above the upper base layer and the lower base layer, the punching depth is 40 cm; when the invisible diseases are positioned above the lower base layer and the lower base layer, the punching depth is 55 cm.
8. The method for accurately positioning and grouting invisible road diseases according to claim 7, wherein grouting construction is performed on invisible disease positions according to the grouting construction scheme, and the method further comprises the following steps:
embedding the sealing ring coated with the lubricant into the hole, and embedding the sealing assembly by using an impact electric hammer, wherein the embedding depth is 14 cm;
and reserving a hole as an exhaust hole at every 4 holes.
9. The method for accurately positioning and grouting invisible road diseases according to claim 8, wherein grouting construction is performed on invisible disease positions according to the grouting construction scheme, and the method further comprises the following steps:
after the sealing ring is pre-embedded, the special gun head penetrates through the center of the sealing ring, so that the gun head is firmly inserted and tightly connected.
10. The method for accurately positioning and grouting invisible road diseases according to claim 9, wherein grouting construction is performed on invisible disease positions according to the grouting construction scheme, and the method further comprises the following steps:
observing the change conditions of grouting holes and peripheral pavements after grouting begins;
stopping grouting when the surface overflows the slurry;
after grouting, closing the grouting valve; and (3) stabilizing the pressure for 3-5 min by adopting cork plug hole sealing, wherein the grouting pressure is 0.2 MPa.
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