CN114108413A - Method for improving pavement construction flatness - Google Patents

Method for improving pavement construction flatness Download PDF

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Publication number
CN114108413A
CN114108413A CN202111471388.XA CN202111471388A CN114108413A CN 114108413 A CN114108413 A CN 114108413A CN 202111471388 A CN202111471388 A CN 202111471388A CN 114108413 A CN114108413 A CN 114108413A
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China
Prior art keywords
flatness
concrete layer
detection
pigment
road surface
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CN202111471388.XA
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CN114108413B (en
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陈文辉
蒋培
蒋旭文
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Guangdong Yinghui Construction Engineering Co ltd
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Guangdong Yinghui Construction Engineering Co ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/18Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, 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
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/01Devices 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)

Abstract

The invention relates to a method for improving the construction flatness of a road surface, which comprises the following steps of S1: s2, grinding the concrete layer; s3, paving the asphalt pavement; s4, detecting and marking the flatness of the asphalt pavement; s5, repressing and final repressing; before laying the asphalt layer, use roughness detection device to carry out the roughness to concrete layer and detect and mark the position that the roughness is unsatisfactory, then use the concrete to grind the flat-bed machine and grind the position of mark, make the roughness of concrete layer meet the requirements, carry out laying on asphalt layer again, when guaranteeing the construction roughness on asphalt layer, improve the road surface roughness in the follow-up use of road, improve the life of road. This application has the effect that improves road surface construction roughness.

Description

Method for improving pavement construction flatness
Technical Field
The invention relates to the field of engineering construction, in particular to a method for improving the flatness of pavement construction.
Background
Along with the continuous improvement of the living standard of people, the demand of people's trip is constantly rising, and the driving travelling comfort of road receives more and more attention. The pavement evenness is an important index for evaluating the pavement engineering quality and is also a main factor influencing the road driving comfort. The unevenness of the road surface can cause the vehicle to generate extra vibration in the high-speed driving process, influence the driving speed and the driving comfort, and even cause the occurrence of traffic accidents. In addition, the construction flatness of the road surface is closely related to the service performance and the operation cost of the road surface, the construction flatness is low, the durability and the service life of the road surface can be influenced after the vehicle is communicated, and the performance of the road surface can be obviously improved by improving the construction flatness. The technical specifications of a plurality of countries in the world provide specific index requirements for the planeness of road surface construction, and the planeness (3m ruler) of the base layer of the expressway and the first-level highway is not more than 8mm and the planeness (3m ruler) of other grades of highways is not more than 12mm in the 'quality inspection and assessment Standard for Highway engineering' JTG F80/1-2004 in China; and the American standard AASHTO 2002 design guide takes the design as a design checking index.
At present, the flatness of a road subjected to construction generally meets requirements, but after the road is used for a period of time, the flatness of the road surface is reduced quickly, and the performance of the road surface is reduced.
In view of the above-mentioned related art, the inventors consider that there is a defect that the road is liable to suffer from a decrease in the flatness of the road surface during use.
Disclosure of Invention
In order to overcome the defect that the road surface flatness is easy to reduce in the using process of the road, the application provides a method for improving the road surface construction flatness.
The method for improving the road surface construction flatness adopts the following technical scheme:
a method for improving the construction flatness of a pavement comprises the following steps:
s1, laying a concrete layer: leveling the roadbed filling, tamping, and paving a concrete layer on the roadbed layer;
s2, grinding the concrete layer: after the hardness of the concrete layer meets the requirement, a flatness detection device is used for detecting the flatness of the concrete layer and marking the position of which the flatness does not meet the requirement, then a concrete grinding machine is used for grinding the marked position until the flatness of the whole concrete layer meets the requirement, the concrete layer is cleaned, and dust and sundries on the concrete layer are removed;
s3, paving the asphalt pavement: after the concrete layer is cleaned, paving an asphalt mixture on the concrete layer, paving the asphalt mixture by using a paver, and carrying out primary pressing on the paved asphalt pavement by using a road roller to closely follow the paver;
s4, detecting the flatness of the asphalt pavement and marking: after the initial pressure is finished, using a flatness detection device to detect the flatness of the asphalt pavement and marking the position with the flatness not meeting the requirement;
s5, repressurization and final pressure: and repeatedly rolling the marked area until the measured flatness meets the requirement, and then performing final pressing.
By adopting the technical scheme, the construction flatness of the concrete layer has little influence on the construction flatness of the asphalt layer in the construction process, so that the construction method in the related technology has low requirement on the construction flatness of the concrete layer, and through long-time research and exploration, the applicant finds that the construction flatness of the concrete layer has great influence on the flatness of the asphalt layer in the subsequent use process of a road, particularly the asphalt layer above the concrete layer is easy to crack at the raised position of the concrete layer, thereby reducing the flatness of the road surface and prolonging the service life of the road surface. This application is before laying the asphalt layer, uses roughness detection device to carry out the roughness to concrete layer and detect and mark the position that the roughness is unsatisfactory, then uses the concrete to grind the flat-bed machine and grind the position of mark to the level for concrete layer's roughness meets the requirements, carries out laying on the asphalt layer again, when guaranteeing the construction roughness on asphalt layer, improves the road surface roughness in the follow-up use of road, improves the life of road.
Preferably, in step S2, when the concrete leveling machine is used to level the marked position, the flatness of the level position needs to be measured manually and repeatedly by using a 3m straight rule method, so as to avoid excessive concrete layer removal.
Through adopting above-mentioned technical scheme, the artifical roughness that adopts 3m ruler method can real-time measurement concrete layer, and occupation space is little during the measurement, and measures conveniently, and is little to the use influence of concrete mill flat-bed machine, measures repeatedly and can ensure that concrete layer's roughness can satisfy the demands.
Preferably, in step S2, if the marked position is ground by the concrete grinding machine and the flatness of the concrete layer is not yet satisfactory, a section of the concrete layer at the marked position needs to be chiseled and poured again.
Through adopting above-mentioned technical scheme, to the position that uses the concrete mill flat-bed machine to can't reach the roughness, the chisel removes pouring again and can reduce the influence to follow-up road surface roughness.
Preferably, roughness detection device includes automobile body, link and detector, the link pass through the regulator connect in the rear of automobile body, the regulator includes pivot and connector, the one end of pivot is rotated and is connected the link, the other end fixed connection of pivot the connector, connector slidable mounting in the rear portion of automobile body can be followed the automobile body slides from top to bottom, the detector install in on the link, the detector can detect the roughness on road surface and mark the position that is not conform to the requirement.
By adopting the technical scheme, the adjuster is used for adjusting the height and the angle of the connecting frame and the detector, so that the detector is in the best detection state, and the detector detects the flatness of the road surface and marks the position which does not meet the requirement.
Preferably, the detector comprises a cross rod, a plurality of detection rods, a plurality of pigment nozzles and a pigment bin, the cross rod is mounted on the connecting frame, the detection rods and the pigment nozzles are in one-to-one correspondence in position and quantity, the upper ends of the detection rods are hinged to the cross rod, a return spring is arranged between the detection rods and the cross rod, the pigment nozzles are rotatably connected to the cross rod and are fixedly connected with the detection rods through connecting rods, nozzles of the pigment nozzles face the lower ends of the detection rods, valves are mounted in the pigment nozzles and are connected with opening and closing switches, the opening and closing switches are connected with the cross rod through pull ropes, the rotation range of the detection rods comprises a closing range and an opening range, when the detection rods rotate to the closing range, the pull ropes pull the opening and closing switches to close the valves, the reset spring is in a state with elasticity, when the detection rod rotates to the opening range, the pull rope pulls the opening and closing switch to open the valve, the pigment nozzle is connected with the pigment bin through a pipeline, and the pigment bin is fixed on the connecting frame.
By adopting the technical scheme, when the detection device is used, the height of the connecting frame is reduced, the lower end of the detection rod is abutted against the asphalt pavement, the height of the connecting frame is continuously reduced, the detection rod rotates under the combined action of the connecting frame and the asphalt pavement, and the connection frame stops descending until the detection rod rotates to the closed range; then starting the vehicle body to drive the connecting frame and the detector to move forwards; if a concave asphalt pavement is encountered, the detection rod contacted with the asphalt pavement rotates around under the action of the reset spring, when the size of the concave part is larger, the detection rod rotates to the opening range, the pull rope pulls the start-stop switch to open the valve, the pigment nozzle sprays pigment to mark the concave part, when the detection rod leaves the concave part and reaches the flat part, the connecting rod rotates to the closing range under the action force of the connecting frame and the asphalt pavement, the pull rope pulls the start-stop switch to close the valve, and the pigment nozzle stops spraying the pigment; if the detection rod contacts with the raised asphalt pavement, the detection rod continues to rotate under the action of the raised asphalt pavement, the detection rod rotates from a closed range to an opening range, the pull rope pulls the opening and closing switch to open the valve, the pigment nozzle sprays pigment to mark the raised position, when the detection rod leaves the raised position and reaches the flat position, the connecting rod rotates back to the closed range under the action of the reset spring, the pull rope pulls the opening and closing switch to close the valve, and the pigment nozzle stops spraying the pigment; the detector can automatically detect and mark the pavement evenness, has high detection efficiency and is favorable for repairing the evenness of the pavement.
Preferably, the detector further comprises a driving motor, the driving motor is installed on the connecting frame, the cross rod is connected with the connecting frame in a rotating mode, and the driving motor is connected with the cross rod and drives the cross rod to rotate.
Through adopting above-mentioned technical scheme, drive the link through driving motor and rotate to drive the measuring pole and rotate, increase the detection range of monitor, not only be limited to horizontal and fore-and-aft roughness and detect, can detect the level and smooth situation of all directions of bituminous paving.
Preferably, when the included angle between the detection rod and the vertical direction is 10 degrees, the return spring is in a state of not generating elasticity, the closed range is the range that the included angle between the detection rod and the vertical direction is 40 degrees to 50 degrees, and the open range is the range that the included angle between the detection rod and the vertical direction is less than 40 degrees and more than 50 degrees.
By adopting the technical scheme, the detection rod has an included angle of 10 degrees with the vertical direction under the effect of no external force, the connection piece is favorably descended to push the detection rod to rotate, the included angle of the closed range between the detection rod and the vertical direction is in the range of 40-50 degrees, the angle range of 10 degrees is provided, and the flatness false detection caused by the small concave-convex parts meeting the requirements can be avoided.
Preferably, the lower end of the detection rod is provided with a universal wheel.
Through adopting above-mentioned technical scheme, the universal wheel rolls on bituminous paving, and frictional force is little, can reduce the resistance of automobile body operation, can reduce the wearing and tearing of test rod simultaneously.
Preferably, the detector further comprises an air pump, the air pump is communicated with the upper part of the pigment bin, and the air pump is fixed on the connecting frame.
Through adopting above-mentioned technical scheme, the air pump can pressurize the pigment storehouse to make the spun pigment that the pigment nozzle can be faster, improve the accuracy of pigment mark position.
In summary, the present application includes at least one of the following beneficial technical effects:
1. before laying an asphalt layer, a flatness detection device is used for detecting the flatness of the concrete layer and marking the position of which the flatness does not meet the requirement, then a concrete grinding machine is used for grinding the marked position to enable the flatness of the concrete layer to meet the requirement, and then the asphalt layer is laid, so that the road surface flatness in the subsequent use process of the road is improved while the construction flatness of the asphalt layer is ensured, and the service life of the road is prolonged;
2. when the detection rod is in contact with a concave asphalt pavement, the detection rod in contact with the asphalt pavement rotates under the action of the return spring, when the detection rod rotates to an opening range, the valve is opened, the pigment nozzle sprays pigment, and the concave part is marked; when the asphalt pavement is raised, the detection rod contacted with the asphalt pavement continuously rotates under the action of the raised asphalt pavement, the detection rod rotates from a closed range to an open range, the valve is opened, the pigment nozzle sprays pigment, and the raised part is marked; the detector can automatically detect and mark the pavement evenness, has high detection efficiency and is beneficial to repairing the pavement evenness;
3. the driving motor drives the connecting frame to rotate, so that the detection rod is driven to rotate, the detection range of the monitor is increased, the detection is not limited to transverse and longitudinal flatness detection, and the flatness condition of all directions of the asphalt pavement can be detected.
Drawings
Fig. 1 is a flow chart of a method for improving the road surface construction flatness according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a flatness detecting apparatus according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a connecting frame and a detector according to an embodiment of the present application.
Description of reference numerals: 1. a vehicle body; 2. a connecting frame; 3. a detector; 31. a cross bar; 32. a detection lever; 33. a paint nozzle; 34. opening and closing a switch; 35. a universal wheel; 36. a paint bin; 37. a drive motor; 38. an air pump; 39. a connecting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a method for improving the construction flatness of a pavement. Referring to fig. 1, a method for improving the construction flatness of a road surface includes the following steps:
s1, laying a concrete layer: cleaning the base layer, ensuring that the base is dry and clean without any loose stones, dust and impurities, flattening the filling soil of the roadbed, tamping, and then paving a concrete layer on the roadbed layer.
S2, grinding the concrete layer: after concrete layer hardness reaches the requirement, use roughness detection device to carry out the roughness to concrete layer and detect and mark the position that the roughness is not conform to the requirement, then use the concrete mill flat-bed machine to grind the level to the position of mark, grind the level in-process and need the artifical 3m ruler method of adopting to repeatedly measure the roughness that grinds the level position, avoid the concrete layer excessive to grind and remove, after the roughness of whole concrete layer all satisfied the requirement, wash the concrete layer, get rid of dust and debris on the concrete layer. If the flatness of the concrete layer does not meet the requirement after the marked position is ground by using the concrete grinding machine, a section of the concrete layer at the marked position needs to be chiseled and poured again.
S3, paving the asphalt pavement: after the concrete layer is cleaned, paving an asphalt mixture on the concrete layer, paving the asphalt mixture through a paver, and performing primary pressing on the paved asphalt pavement through a road roller and the paver.
S4, detecting the flatness of the asphalt pavement and marking: after the initial pressure is finished, the flatness detection device is used for detecting the flatness of the asphalt pavement and marking the position where the flatness does not meet the requirement.
S5, repressurization and final pressure: and repeatedly rolling the marked area until the measured flatness meets the requirement, and then performing final pressing.
Referring to fig. 2, the flatness detecting device includes a vehicle body 1, a connecting frame 2 and a detector 3, the connecting frame 2 is connected to the rear portion of the vehicle body 1 through an adjuster, the adjuster includes a rotating shaft and a connector, the connecting frame 2 is rotated by one end of the rotating shaft, so that the connecting frame 2 can rotate to adjust the angle of the horizontal direction, the other end of the rotating shaft is fixedly connected with the connector, the connector is slidably mounted at the rear portion of the vehicle body 1 and can slide up and down along the vehicle body 1, and the height of the vertical direction can be adjusted by the connecting frame 2. The detector 3 is mounted on the link 2, and the detector 3 can detect the flatness of the road surface and mark the position that does not meet the requirements. The vehicle body 1 drives the connecting frame 2 and the detector 3 to move on a road surface to be detected, the moving speed of the vehicle body 1 is not too high, and the moving speed of the vehicle body 1 is kept between 5km/h and 10 km/h.
Referring to fig. 3, detector 3 includes many horizontal poles 31, many detection poles 32, a plurality of pigment nozzle 33, a pigment storehouse 36, a driving motor 37 and an air pump 38, the below of link 2 is located to horizontal pole 31, horizontal pole 31 level sets up, many horizontal pole 31 interconnect is put at the central point, the contained angle of two adjacent horizontal poles 31 equals, the central point of horizontal pole 31 puts a vertical axostylus axostyle of fixedly connected with, the upper end of axostylus axostyle is rotated and is connected link 2, driving motor 37 is installed on link 2, driving motor 37 connects the axostylus axostyle and drives the axostylus axostyle and take horizontal pole 31 to rotate, driving motor 37 drive horizontal pole 31 pivoted speed is not more than 0.5 commentaries on classics/minute. Many measuring sticks 32 and a plurality of pigment nozzle 33 are one-to-one in position and quantity, many measuring sticks 32 and a plurality of pigment nozzle 33 evenly distributed are on many horizontal poles 31, measuring stick 32 locates the below of horizontal pole 31, measuring stick 32 is a round bar, the upper end of measuring stick 32 articulates in the lower part of horizontal pole 31 through the hinge, universal wheel 35 is installed to measuring stick 32's lower extreme, be equipped with reset spring between measuring stick 32 and the horizontal pole 31, reset spring is the torsional spring, the reset spring cover is located outside the hinge, reset spring's both ends are fixed connection respectively measuring stick 32 and horizontal pole 31, measuring stick 32 is when 10 with the contained angle of vertical direction, reset spring is in the natural state that does not produce elasticity. Pigment nozzle 33 rotates and connects on horizontal pole 31, and pigment nozzle 33 passes through connecting rod 39 fixed connection detection pole 32, and the spout of pigment nozzle 33 is parallel with detection pole 32 towards the lower extreme of detection pole 32, installs the valve in the pigment nozzle 33, and the valve is connected with on-off switch 34, and on-off switch 34 passes through the stay cord and connects horizontal pole 31. The rotation range of the detection rod 32 comprises a closing range with an included angle of 40-50 degrees with the vertical direction and an opening range with an included angle of less than 40 degrees and more than 50 degrees with the vertical direction, when the detection rod 32 rotates to the closing range, the pull rope pulls the on-off switch 34 to close the valve, the reset spring is in a state with elasticity, and when the detection rod 32 rotates to the opening range, the pull rope pulls the on-off switch 34 to open the valve. Pigment nozzle 33 passes through pipe connection pigment storehouse 36, all pipelines of connecting pigment nozzle 33 all are connected to the house steward, house steward's lower extreme is fixed in on the axostylus axostyle, house steward's upper end is connected with the joint, connect fixedly connected with rotating turret, the rotating turret cover is located outside the axostylus axostyle and coaxial with the axostylus axostyle, rotating turret rotation connection link 2, rotating turret and axostylus axostyle reciprocal anchorage, the inside cavity of rotating turret, driving motor 37 is located in the rotating turret, connect fixed mounting in the center on the upper portion of rotating turret, it is connected with the water pipe to connect the rotation, the one end intercommunication pigment storehouse 36 that the joint was kept away from to the water pipe. The paint bin 36 is fixed on the top of the connecting frame 2, the air pump 38 is communicated with the upper part of the paint bin 36 through an air pipe, and the air pump 38 is fixed on the connecting frame 2.
The implementation principle of the method for improving the road surface construction flatness in the embodiment of the application is as follows: before laying the asphalt layer, use roughness detection device to carry out the roughness to concrete layer and detect and mark the position that the roughness is unsatisfactory, then use the concrete to grind the flat-bed machine and grind the position of mark, make the roughness of concrete layer meet the requirements, carry out laying on asphalt layer again, when guaranteeing the construction roughness on asphalt layer, improve the road surface roughness in the follow-up use of road, improve the life of road. When the flatness detection device is used, firstly, the height of the connecting frame 2 is reduced, so that the universal wheels 35 abut against the asphalt pavement, the height of the connecting frame 2 is continuously reduced, the detection rod 32 rotates under the combined action of the connecting frame 2 and the asphalt pavement, and the connection frame 2 stops descending until the detection rod 32 rotates to the closed range; then the vehicle body 1 is started to drive the connecting frame 2 and the detector 3 to move forwards. If a concave asphalt pavement is encountered, the detection rod 32 contacted with the asphalt pavement rotates under the action of the return spring, when the size of the concave asphalt pavement is large and the detection rod 32 rotates to an opening range, the pull rope pulls the on-off switch 34 to open the valve, the pigment nozzle 33 sprays pigment to mark the concave asphalt pavement; when the detection rod 32 leaves the concave part and reaches the flat part, under the action force of the connecting frame 2 and the asphalt pavement, the connecting rod rotates to the closing range again, the pull rope pulls the opening and closing switch 34 to close the valve, and the pigment nozzle 33 stops spraying pigment. If a raised asphalt pavement is encountered, the detection rod 32 contacted with the asphalt pavement continuously rotates under the action of the raised asphalt pavement, the detection rod 32 rotates from a closed range to an open range, the pull rope pulls the on-off switch 34 to open the valve, the pigment nozzle 33 sprays pigment, and the raised part is marked; when the detection rod 32 leaves the bulge and reaches the flat position, the connecting rod rotates to the closed range under the action of the return spring, the pull rope pulls the opening and closing switch 34 to close the valve, and the pigment nozzle 33 stops spraying pigment. The detector 3 can automatically detect and mark the pavement evenness, has high detection efficiency and is beneficial to repairing the evenness of the pavement.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A method for improving the construction flatness of a pavement is characterized by comprising the following steps:
s1, laying a concrete layer: leveling the roadbed filling, tamping, and paving a concrete layer on the roadbed layer;
s2, grinding the concrete layer: after the hardness of the concrete layer meets the requirement, a flatness detection device is used for detecting the flatness of the concrete layer and marking the position of which the flatness does not meet the requirement, then a concrete grinding machine is used for grinding the marked position until the flatness of the whole concrete layer meets the requirement, the concrete layer is cleaned, and dust and sundries on the concrete layer are removed;
s3, paving the asphalt pavement: after the concrete layer is cleaned, paving an asphalt mixture on the concrete layer, paving the asphalt mixture by using a paver, and carrying out primary pressing on the paved asphalt pavement by using a road roller to closely follow the paver;
s4, detecting the flatness of the asphalt pavement and marking: after the initial pressure is finished, using a flatness detection device to detect the flatness of the asphalt pavement and marking the position with the flatness not meeting the requirement;
s5, repressurization and final pressure: and repeatedly rolling the marked area until the measured flatness meets the requirement, and then performing final pressing.
2. The method for improving the construction flatness of the road surface according to claim 1, characterized in that: in step S2, when the marked position is ground by the concrete grinding machine, the flatness of the ground position needs to be measured manually and repeatedly by using a 3m ruler method, so as to avoid excessive grinding of the concrete layer.
3. The method for improving the construction flatness of the road surface according to claim 1, characterized in that: in step S2, if the marked position is ground by the concrete grinding machine and the flatness of the concrete layer does not meet the requirement, a section of the concrete layer at the marked position needs to be chiseled and poured again.
4. The method for improving the construction flatness of the road surface according to claim 1, characterized in that: roughness detection device includes automobile body (1), link (2) and detector (3), link (2) through the regulator connect in the rear of automobile body (1), the regulator includes pivot and connector, the one end of pivot is rotated and is connected link (2), the other end fixed connection of pivot the connector, connector slidable mounting in the rear portion of automobile body (1) can be followed automobile body (1) slides from top to bottom, detector (3) install in on link (2), detector (3) can detect the roughness on road surface and mark the position that is not conform to the requirement.
5. The method for improving the construction flatness of the road surface according to claim 4, wherein: the detector (3) comprises a cross rod (31), a plurality of detection rods (32), a plurality of pigment nozzles (33) and a pigment bin (36), the cross rod (31) is installed on the connecting frame (2), the detection rods (32) correspond to the pigment nozzles (33) in position and quantity one by one, the upper ends of the detection rods (32) are hinged to the cross rod (31), a return spring is arranged between the detection rods (32) and the cross rod (31), the pigment nozzles (33) are rotationally connected to the cross rod (31), the pigment nozzles (33) are fixedly connected with the detection rods (32) through connecting rods (39), nozzles of the pigment nozzles (33) face the lower end of the detection rods (32), valves are installed in the pigment nozzles (33), the valves are connected with opening and closing switches (34), and the opening and closing switches (34) are connected with the cross rod (31) through pull ropes, the rotation range of the detection rod (32) comprises a closing range and an opening range, when the detection rod (32) rotates to the closing range, the pull rope pulls the opening and closing switch (34) to enable the valve to be closed, the reset spring is in a state with elasticity, when the detection rod (32) rotates to the opening range, the pull rope pulls the opening and closing switch (34) to enable the valve to be opened, the pigment nozzle (33) is connected with the pigment bin (36) through a pipeline, and the pigment bin (36) is fixed on the connecting frame (2).
6. The method for improving the construction flatness of the road surface according to claim 5, characterized in that: detector (3) still include driving motor (37), driving motor (37) install in on link (2), horizontal pole (31) rotate to be connected link (2), driving motor (37) are connected horizontal pole (31) and drive horizontal pole (31) rotate.
7. The method for improving the construction flatness of the road surface according to claim 5, characterized in that: when the included angle between the detection rod (32) and the vertical direction is 10 degrees, the reset spring is in a state of not generating elasticity, the closed range is the range that the included angle between the detection rod (32) and the vertical direction is 40 degrees to 50 degrees, and the open range is the range that the included angle between the detection rod (32) and the vertical direction is less than 40 degrees and more than 50 degrees.
8. The method for improving the construction flatness of the road surface according to claim 5, characterized in that: the lower end of the detection rod (32) is provided with a universal wheel (35).
9. The method for improving the construction flatness of the road surface according to claim 5, characterized in that: the detector (3) further comprises an air pump (38), the air pump (38) is communicated with the upper portion of the pigment bin (36), and the air pump (38) is fixed on the connecting frame (2).
CN202111471388.XA 2021-12-04 2021-12-04 Method for improving pavement construction flatness Active CN114108413B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114892478A (en) * 2022-04-29 2022-08-12 重庆合信检验认证有限公司 Road surface flatness monitoring devices
CN114960381A (en) * 2022-04-15 2022-08-30 安徽优特公路养护科技有限公司 Auxiliary tool for repairing pavement micro-pits

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Publication number Priority date Publication date Assignee Title
EP2287403A2 (en) * 2009-08-20 2011-02-23 Dynapac GmbH Method for producing a road pavement, primarily a concrete pavement, and road finisher
CN110172888A (en) * 2019-06-17 2019-08-27 中交第三公路工程局有限公司 The construction method on the road surface highway SMA
CN111426297A (en) * 2020-06-15 2020-07-17 潍坊市兴源防水材料股份有限公司 Flatness detection equipment for building construction

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
EP2287403A2 (en) * 2009-08-20 2011-02-23 Dynapac GmbH Method for producing a road pavement, primarily a concrete pavement, and road finisher
CN110172888A (en) * 2019-06-17 2019-08-27 中交第三公路工程局有限公司 The construction method on the road surface highway SMA
CN111426297A (en) * 2020-06-15 2020-07-17 潍坊市兴源防水材料股份有限公司 Flatness detection equipment for building construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114960381A (en) * 2022-04-15 2022-08-30 安徽优特公路养护科技有限公司 Auxiliary tool for repairing pavement micro-pits
CN114960381B (en) * 2022-04-15 2023-11-21 安徽优特公路养护科技有限公司 Auxiliary fixture for repairing micro pits on road surface
CN114892478A (en) * 2022-04-29 2022-08-12 重庆合信检验认证有限公司 Road surface flatness monitoring devices

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