CN112227134B - Asphalt concrete pavement construction process based on target mix proportion - Google Patents
Asphalt concrete pavement construction process based on target mix proportion Download PDFInfo
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- CN112227134B CN112227134B CN202011091202.3A CN202011091202A CN112227134B CN 112227134 B CN112227134 B CN 112227134B CN 202011091202 A CN202011091202 A CN 202011091202A CN 112227134 B CN112227134 B CN 112227134B
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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
- 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
- E01C7/182—Aggregate or filler materials, except those according to E01C7/26
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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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
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/245—Methods or arrangements for preventing slipperiness or protecting against influences of the weather for preventing ice formation or for loosening ice, e.g. special additives to the paving material, resilient coatings
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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
- 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
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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
- 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
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/185—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect for both depositing and spreading-out or striking-off the deposited mixture
-
- 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
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/355—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively rubber as binder; Aggregate, fillers or other additives for application on or in the surface of toppings having exclusively rubber as binder
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an asphalt concrete pavement construction process based on a target mixing ratio, which comprises the following steps of: paving asphalt concrete on the road surface by a paver so as to form an asphalt concrete layer on the roadbed; a plurality of rows of deformation sections are discontinuously arranged on the asphalt concrete layer, and a plurality of groups of deformation holes are discontinuously arranged on each row of deformation sections; adding a rubber material and an anti-wear agent into a heating cavity of a melting tank according to the weight ratio of 90-100:5-6 for heating to prepare a rubber filling agent, and then adjusting the distance between connecting pipes on a drip irrigation mechanism through a distance adjusting mechanism according to the distance between deformation holes on each row of deformation sections; opening a valve on the shunt pipe, so that the rubber filling agent in the melting tank enters the discharge pipe along the shunt pipe, the connecting pipe and the bottom pipe, and is discharged from the discharge pipe and falls into a deformation hole on the asphalt concrete layer for solidification and molding; the invention has the advantages of convenient operation and no vehicle slip phenomenon of the asphalt concrete pavement in winter.
Description
Technical Field
The invention belongs to the technical field of buildings, and relates to an asphalt concrete pavement construction process, in particular to an asphalt concrete pavement construction process based on a target mix proportion.
Background
Asphalt concrete is a mixture prepared by mixing asphalt and aggregates in a certain proportion, and is widely used for pavement paving.
The reference CN109987881A discloses an asphalt concrete and a preparation method thereof, belongs to the field of asphalt concrete, and solves the problem that a large amount of energy is consumed for heating during transportation and heat preservation of the asphalt concrete. The asphalt concrete comprises 5-25 parts of asphalt, 15-82 parts of fine aggregate, 50-170 parts of coarse aggregate, 2-15 parts of admixture, 6-36 parts of heat-insulating component, 10-69 parts of heat-conducting component and 3-15 parts of EVA hot melt adhesive; the heat-conducting component is adhered to the outer surface of the heat-preserving component through an EVA hot melt adhesive; the asphalt concrete also comprises 2-17 parts by weight of adhesive components, the vitrified micro bubbles are bonded through the adhesive components to form micro bubble clusters, and the heat conducting components are bonded on the outer surfaces of the micro bubble clusters to form heat storage blocks. The invention realizes the heat preservation during the transportation of the asphalt concrete and reduces the energy consumption by adding the heat preservation component and the heat conduction component.
In the prior art, when a vehicle runs on an asphalt concrete pavement in winter, due to the fact that air temperature is low in winter, when water vapor or rain or snow falls on the asphalt concrete pavement, the asphalt concrete pavement is prone to icing, friction of the icing pavement is low, and the vehicle is prone to slipping on the pavement.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a vehicle runs on an asphalt concrete pavement in winter, due to low temperature in winter, when water vapor or rain or snow falls on the asphalt concrete pavement, the asphalt concrete pavement is easy to freeze, the friction of the frozen pavement is low, and the vehicle is easy to slip on the pavement, and provides an asphalt concrete pavement construction process based on a target mix proportion.
The purpose of the invention can be realized by the following technical scheme:
the asphalt concrete pavement construction process based on the target mixing proportion comprises the following steps:
s1, 70-80 parts of basalt master batch; 6-12 parts of asphalt; 2-4 parts of mineral powder; 8-10 parts of an iron tailing master batch; 1.5-2.5 parts of a cementing agent; adding 1.1-1.8 parts of silicon carbide into a stirring tank, mixing and stirring for 20min at the temperature of 180-200 ℃ to obtain asphalt concrete, and paving the asphalt concrete on a road surface by using a paver so as to form an asphalt concrete layer on a roadbed;
s2, discontinuously arranging a plurality of rows of deformation sections on the asphalt concrete layer, wherein each row of deformation sections is discontinuously provided with a plurality of groups of deformation holes;
s3, adding a rubber material and a wear-resistant agent into a heating cavity of a melting tank according to the weight ratio of 90-100:5-6 to heat, and preparing a rubber filling agent, and then adjusting the distance between connecting pipes on a drip irrigation mechanism through a distance adjusting mechanism according to the distance between deformation holes on each row of deformation sections; firstly, the screw rod is driven to rotate forwards and backwards by controlling the driving motor, the driving belt pulley and the driven belt pulley, the threaded sleeve is sleeved on the screw rod, so that the threaded sleeve moves upwards and downwards along the screw rod to drive the movable plate to move upwards and downwards along the installation shell through the first sliding sleeve and the first sliding rail, a plurality of groups of sliding grooves are arranged on the movable plate, the number of the sliding grooves is equal to that of the U-shaped plates, the plurality of groups of sliding grooves are distributed in a fan shape, pin shafts are arranged in the sliding grooves in a sliding mode and are installed on the vertical part on one side of each U-shaped plate, so that the U-shaped plates horizontally move along the installation shell through the second sliding sleeve and the second sliding rail to adjust the interval of each group of U-shaped plates, the vertical part on the other side of each U-shaped plate is provided with a connecting plate, a connecting rod is vertically installed on the connecting plate, the bottom end of the connecting rod is provided with a connecting sleeve, the connecting sleeve is sleeved on the connecting pipe to adjust the interval of each group of connecting pipes, further adjusting the distance between the discharge pipes to ensure that the distance between the discharge pipes is equal to the distance between the deformation holes on each row of deformation sections;
and S4, opening the valve on the shunt pipe, so that the rubber filling agent in the melting tank enters the discharge pipe along the shunt pipe, the connecting pipe and the bottom pipe, and is discharged from the discharge pipe and falls into the deformation hole on the asphalt concrete layer to be solidified and molded.
Preferably, the melting tank is arranged on the top surface of the mounting frame, a heating cavity is arranged in the melting tank, a tank cover is arranged on the top surface of the melting tank through hinges, a plurality of groups of discharge holes are arranged on one side wall of the melting tank side by side and are connected with the feed ends of the shunt tubes, the discharge ends of the shunt tubes are connected with the discharge holes, the discharge holes are arranged on the transverse plates side by side, the transverse plates are arranged on the mounting frame, the number of the discharge holes is equal to that of the discharge holes of the melting tank, and a drip irrigation mechanism is arranged at the position of each group of discharge holes.
Preferably, drip irrigation the mechanism and include the bottom tube, the connecting pipe, the discharge tube, flexible movable rod, the movable block, the feed end of connecting pipe is located the unloading hole, and with unloading hole swing joint, the discharge end and the bottom union coupling of connecting pipe, the bottom of bottom tube is provided with the discharge tube, the lateral wall of bottom tube and the one end swing joint of flexible movable rod, the other end of flexible movable rod passes through movable block and mounting bracket swing joint, be provided with the mounting panel on the top surface of mounting bracket, be provided with interval adjustment mechanism on the mounting panel, and be connected with the connecting pipe through interval adjustment mechanism.
Preferably, the bottom of discharge tube is provided with the discharge opening, installs the valve on every group shunt tubes, and the both sides of mounting bracket are provided with the gyro wheel.
Preferably, the distance adjusting mechanism comprises an installation shell, a fixing plate, a driving assembly and a distance adjusting assembly, the fixing plate is arranged on the back face of the installation shell and is arranged on the installation plate through the fixing plate, the driving assembly is arranged on one side of the installation shell, the distance adjusting assembly is arranged on the other side of the installation shell, and the output end of the driving assembly is connected with the distance adjusting assembly.
Preferably, the driving assembly comprises a driving motor, a driving belt pulley, a driven belt pulley and a screw rod, the driving motor is arranged on one side of the inner cavity of the installation shell, the output end of the driving motor is connected with the driving belt pulley, the driving belt pulley is connected with the driven belt pulley through a belt, the screw rod is rotatably arranged in the installation shell, and the top end of the screw rod is connected with the driven belt pulley.
Preferably, the distance adjusting assembly comprises a connecting rod, a connecting plate, a connecting sleeve, a threaded sleeve, a movable plate, a U-shaped plate, a chute and a pin shaft, the threaded sleeve is sleeved on the screw rod and is in threaded connection with the screw rod, the threaded sleeve is connected with one end of the side wall of the movable plate, two ends of the side wall, far away from the threaded sleeve, of the movable plate are in sliding connection with the installation shell through first limiting parts, a plurality of groups of U-shaped plates are arranged side by side on the inner wall, close to the movable plate, of the installation shell, the vertical part on one side of the U-shaped plate is in sliding connection with the inner wall of the installation shell through the first limiting parts, the vertical part on the other side of the U-shaped plate is located right in front of the installation shell, and the horizontal part of the U-shaped plate is located at the bottom of the installation shell; a connecting plate is arranged at the vertical part at the other side of the U-shaped plate, a connecting rod is vertically arranged on the connecting plate, a connecting sleeve is arranged at the bottom end of the connecting rod, and the connecting sleeve is sleeved on the connecting pipe;
the movable plate is provided with a plurality of groups of sliding grooves, the number of the sliding grooves is equal to that of the U-shaped plates, the sliding grooves are distributed in a fan shape, pin shafts are arranged in the sliding grooves in a sliding mode, and the pin shafts are arranged on the vertical portion of one side of the U-shaped plates.
Preferably, the first limiting part comprises a first sliding sleeve and a first sliding rail, the two ends of the side wall, away from the threaded sleeve, of the moving plate are respectively provided with the first sliding sleeve, the first sliding sleeve is sleeved on the first sliding rail and is in sliding connection with the first sliding rail, and the first sliding rail is vertically arranged on the inner wall, close to the moving plate, of the mounting shell.
Preferably, the second limiting part comprises a second sliding sleeve and a second sliding rail, the second sliding sleeve is mounted on the vertical portion on one side of the U-shaped plate, the second sliding sleeve is sleeved on the second sliding rail and is slidably connected with the second sliding rail, and the second sliding rail is horizontally arranged on the inner wall, close to the moving plate, of the mounting housing.
Compared with the prior art, the invention has the beneficial effects that: 80 parts of basalt master batch; 12 parts of asphalt; 4 parts of mineral powder; 10 parts of iron tailing master batch; 2.5 parts of a cementing agent; adding 1.8 parts of silicon carbide into a stirring tank, mixing and stirring for 20min at the temperature of 200 ℃ to obtain asphalt concrete, and then paving the asphalt concrete on a road surface by using a paver, so that an asphalt concrete layer is formed on a roadbed, wherein the asphalt concrete layer has the advantages of good structural strength and difficulty in cracking;
a plurality of rows of deformation sections are discontinuously arranged on the asphalt concrete layer, and a plurality of groups of deformation holes are discontinuously arranged on each row of deformation sections;
adding a rubber material and a wear-resistant agent into a heating cavity of a melting tank according to the weight ratio of 100:6 for heating to prepare a rubber filling agent, and then adjusting the distance between connecting pipes on a drip irrigation mechanism through a distance adjusting mechanism according to the distance between deformation holes on each row of deformation sections; firstly, the screw rod is driven to rotate forwards and backwards by controlling the driving motor, the driving belt pulley and the driven belt pulley, the threaded sleeve is sleeved on the screw rod, so that the threaded sleeve moves upwards and downwards along the screw rod to drive the movable plate to move upwards and downwards along the installation shell through the first sliding sleeve and the first sliding rail, a plurality of groups of sliding grooves are arranged on the movable plate, the number of the sliding grooves is equal to that of the U-shaped plates, the plurality of groups of sliding grooves are distributed in a fan shape, pin shafts are arranged in the sliding grooves in a sliding mode and are installed on the vertical part on one side of each U-shaped plate, so that the U-shaped plates horizontally move along the installation shell through the second sliding sleeve and the second sliding rail to adjust the interval of each group of U-shaped plates, the vertical part on the other side of each U-shaped plate is provided with a connecting plate, a connecting rod is vertically installed on the connecting plate, the bottom end of the connecting rod is provided with a connecting sleeve, the connecting sleeve is sleeved on the connecting pipe to adjust the interval of each group of connecting pipes, further adjusting the distance between the discharge pipes to ensure that the distance between the discharge pipes is equal to the distance between the deformation holes on each row of deformation sections; the distance adjusting mechanism is arranged, so that the driving motor is controlled to work, the distance between the discharging pipes is adjusted, and the discharging pipes are matched with the deformation holes, so that the deformation holes are convenient to be grouted, and the discharging device is suitable for asphalt concrete pavements with different widths;
the valve on the shunt pipe is opened, so that the rubber filling agent in the melting tank enters the discharge pipe along the shunt pipe, the connecting pipe and the bottom pipe, and is discharged from the discharge pipe and falls into the deformation holes on the asphalt concrete layer for solidification and molding, and the drip irrigation mechanism is arranged on the melting tank, so that a plurality of groups of deformation holes can be grouted at one time, and the construction efficiency of the asphalt concrete pavement is greatly improved;
the rubber filling agent is arranged in each deformation hole, so that the structure of the asphalt concrete layer is changed, when the weather is suddenly cooled, the asphalt concrete shrinks towards the deformation holes due to the heat expansion and the cold contraction, the volume of the deformation holes is reduced, the rubber filling agent protrudes outwards from the surface of the asphalt concrete base layer, when a vehicle passes by, the ice layer has a downward moving stroke, so that the ice layer is broken, and meanwhile, when the rubber filling agent is ejected outwards, the rubber filling agent also has the capacity of breaking the thin ice; when the road is not frozen and is cold, a certain deceleration effect can be achieved, and meanwhile, the deformation quantity of the asphalt concrete can be borne, so that the asphalt concrete is prevented from cracking; when the temperature is higher, the rubber filling agent is hidden in the deformation hole, so that the abrasion loss of the elastic block is reduced.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view showing the connection relationship between a melting tank and a spacing adjustment mechanism according to the present invention.
FIG. 2 is a schematic perspective view of a melting tank according to the present invention.
Fig. 3 is a schematic perspective view of the drip irrigation mechanism of the present invention.
Fig. 4 is a schematic structural view of the spacing adjustment mechanism of the present invention.
Fig. 5 is a schematic perspective view of the spacing adjustment mechanism according to the present invention.
Fig. 6 is a sectional view of the spacing adjustment mechanism of the present invention.
In the figure: 1. a melting tank; 2. a spacing adjustment mechanism; 3. a heating cavity; 4. a box cover; 5. a shunt tube; 6. a roller; 7. mounting a plate; 8. a drip irrigation mechanism; 9. a bottom tube; 10. a connecting pipe; 11. a discharge pipe; 12. a movable rod; 13. a mounting frame; 14. a movable block; 15. a transverse plate; 16. a blanking hole; 17. installing a shell; 18. a fixing plate; 19. a connecting rod; 20. a connecting plate; 21. connecting a sleeve; 22. a drive motor; 23. a drive pulley; 24. a driven pulley; 25. a screw rod; 26. a threaded bushing; 27. moving the plate; 28. a U-shaped plate; 29. a chute; 30. a pin shaft; 31. a first sliding sleeve; 32. a first slide rail; 33. a second sliding sleeve; 34. a second slide rail.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the asphalt concrete pavement construction process based on the target mix proportion includes the following steps:
s1, 70 parts of basalt master batch; 6 parts of asphalt; 2 parts of mineral powder; 8 parts of iron tailing master batch; 1.5 parts of a cementing agent; adding 1.1 parts of silicon carbide into a stirring tank, mixing and stirring for 20min at the temperature of 180 ℃ to obtain asphalt concrete, and paving the asphalt concrete on a road surface by using a paver so as to form an asphalt concrete layer on a roadbed;
s2, discontinuously arranging a plurality of rows of deformation sections on the asphalt concrete layer, wherein each row of deformation sections is discontinuously provided with a plurality of groups of deformation holes;
s3, adding a rubber material and an anti-wear agent into the heating cavity 3 of the melting tank 1 according to the weight ratio of 90:5 for heating to prepare a rubber filling agent, and then adjusting the distance between the connecting pipes 10 on the drip irrigation mechanism 8 through the distance adjusting mechanism 2 according to the distance between the deformation holes on each row of deformation sections; firstly, the driving motor 22 is controlled to rotate forwards and backwards, the driving belt pulley 23 and the driven belt pulley 24 drive the screw rod 25 to rotate forwards and backwards, the threaded sleeve 26 is sleeved on the screw rod 25, so that the threaded sleeve 26 moves up and down along the screw rod 25, and the moving plate 27 is driven to move up and down along the mounting shell 17 through the first sliding sleeve 31 and the first sliding rail 32, because the moving plate 27 is provided with a plurality of groups of sliding grooves 29, the number of the sliding grooves 29 is equal to the number of the U-shaped plates 28, and the plurality of groups of sliding grooves 29 are distributed in a fan shape, the sliding grooves 29 are internally provided with the pin shafts 30, the pin shafts 30 are arranged on the vertical part of one side of the U-shaped plates 28, so that the U-shaped plates 28 horizontally move along the mounting shell 17 through the second sliding sleeves 33 and the second sliding rails 34, and the distance between each group of U-shaped plates 28 is adjusted, the vertical part of the other side of the U-shaped plates 28 is provided with the connecting plate 20, and the connecting rods 19 are vertically arranged on the connecting plate 20, the bottom end of the connecting rod 19 is provided with a connecting sleeve 21, the connecting sleeve 21 is sleeved on the connecting pipes 10, so that the distance between each group of connecting pipes 10 is adjusted, and further the distance between the discharge pipes 11 is adjusted, so that the distance between the discharge pipes 11 is equal to the distance between the deformation holes on each row of deformation sections;
and S4, opening the valve on the shunt pipe 5, so that the rubber filling agent in the melting tank 1 enters the discharge pipe 11 along the shunt pipe 5, the connecting pipe 10 and the bottom pipe 9, and is discharged from the discharge pipe 11 and falls into the deformation hole on the asphalt concrete layer to be solidified and molded.
Example 2
S1, mixing 80 parts of basalt master batch; 12 parts of asphalt; 4 parts of mineral powder; 10 parts of iron tailing master batch; 2.5 parts of a cementing agent; adding 1.8 parts of silicon carbide into a stirring tank, mixing and stirring for 20min at the temperature of 200 ℃ to obtain asphalt concrete, and paving the asphalt concrete on a road surface by using a paver so as to form an asphalt concrete layer on a roadbed;
s2, discontinuously arranging a plurality of rows of deformation sections on the asphalt concrete layer, wherein each row of deformation sections is discontinuously provided with a plurality of groups of deformation holes;
s3, adding a rubber material and an anti-wear agent into the heating cavity 3 of the melting tank 1 according to the weight ratio of 100:6 for heating to prepare a rubber filling agent, and then adjusting the distance between the connecting pipes 10 on the drip irrigation mechanism 8 through the distance adjusting mechanism 2 according to the distance between the deformation holes on each row of deformation sections; firstly, the driving motor 22 is controlled to rotate forwards and backwards, the driving belt pulley 23 and the driven belt pulley 24 drive the screw rod 25 to rotate forwards and backwards, the threaded sleeve 26 is sleeved on the screw rod 25, so that the threaded sleeve 26 moves up and down along the screw rod 25, and the moving plate 27 is driven to move up and down along the mounting shell 17 through the first sliding sleeve 31 and the first sliding rail 32, because the moving plate 27 is provided with a plurality of groups of sliding grooves 29, the number of the sliding grooves 29 is equal to the number of the U-shaped plates 28, and the plurality of groups of sliding grooves 29 are distributed in a fan shape, the sliding grooves 29 are internally provided with the pin shafts 30, the pin shafts 30 are arranged on the vertical part of one side of the U-shaped plates 28, so that the U-shaped plates 28 horizontally move along the mounting shell 17 through the second sliding sleeves 33 and the second sliding rails 34, and the distance between each group of U-shaped plates 28 is adjusted, the vertical part of the other side of the U-shaped plates 28 is provided with the connecting plate 20, and the connecting rods 19 are vertically arranged on the connecting plate 20, the bottom end of the connecting rod 19 is provided with a connecting sleeve 21, the connecting sleeve 21 is sleeved on the connecting pipes 10, so that the distance between each group of connecting pipes 10 is adjusted, and further the distance between the discharge pipes 11 is adjusted, so that the distance between the discharge pipes 11 is equal to the distance between the deformation holes on each row of deformation sections;
and S4, opening the valve on the shunt pipe 5, so that the rubber filling agent in the melting tank 1 enters the discharge pipe 11 along the shunt pipe 5, the connecting pipe 10 and the bottom pipe 9, and is discharged from the discharge pipe 11 and falls into the deformation hole on the asphalt concrete layer to be solidified and molded.
In the above embodiment, the melting tank 1 is arranged on the top surface of the mounting frame 13, the heating cavity 3 is arranged in the melting tank 1, the box cover 4 is arranged on the top surface of the melting tank 1 through hinges, a plurality of groups of discharge holes are arranged on one side wall of the melting tank 1 side by side, the discharge holes are connected with the feed ends of the shunt tubes 5, the discharge ends of the shunt tubes 5 are connected with the discharge holes 16, the discharge holes 16 are arranged on the transverse plate 15 side by side, the transverse plate 15 is arranged on the mounting frame 13, the number of the discharge holes 16 is equal to that of the discharge holes of the melting tank 1, and the drip irrigation mechanism 8 is arranged at the discharge holes 16 in each group.
The bottom of discharge tube 11 is provided with the discharge opening, installs the valve on every group shunt tubes 5, and the both sides of mounting bracket 13 are provided with gyro wheel 6.
The spacing adjusting mechanism 2 comprises an installation shell 17, a fixing plate 18, a driving assembly and a spacing adjusting assembly, wherein the fixing plate 18 is arranged on the back surface of the installation shell 17 and is arranged on the installation plate 7 through the fixing plate 18, the driving assembly is arranged on one side of the installation shell 17, the spacing adjusting assembly is arranged on the other side of the installation shell 17, and the output end of the driving assembly is connected with the spacing adjusting assembly.
The driving assembly comprises a driving motor 22, a driving belt pulley 23, a driven belt pulley 24 and a screw rod 25, wherein the driving motor 22 is arranged on one side of the inner cavity of the mounting shell 17, the output end of the driving motor 22 is connected with the driving belt pulley 23, the driving belt pulley 23 is connected with the driven belt pulley 24 through a belt, the screw rod 25 is rotatably arranged in the mounting shell 17, and the top end of the screw rod 25 is connected with the driven belt pulley 24.
The spacing adjusting assembly comprises a connecting rod 19, a connecting plate 20, a connecting sleeve 21, a threaded sleeve 26, a movable plate 27, a U-shaped plate 28, a sliding groove 29 and a pin shaft 30, the threaded sleeve 26 is sleeved on the screw rod 25 and is in threaded connection with the screw rod 25, the threaded sleeve 26 is connected with one end of the side wall of the movable plate 27, two ends of the side wall, far away from the threaded sleeve 26, of the movable plate 27 are in sliding connection with the installation shell 17 through first limiting parts, multiple groups of U-shaped plates 28 are arranged side by side on the inner wall, close to the movable plate 27, of the installation shell 17, the vertical part on one side of each U-shaped plate 28 is in sliding connection with the inner wall of the installation shell 17 through the first limiting parts, the vertical part on the other side of each U-shaped plate 28 is located right in front of the installation shell 17, and the horizontal part of each U-shaped plate 28 is located at the bottom of the installation shell 17; a connecting plate 20 is arranged at the vertical part at the other side of the U-shaped plate 28, a connecting rod 19 is vertically arranged on the connecting plate 20, a connecting sleeve 21 is arranged at the bottom end of the connecting rod 19, and the connecting sleeve 21 is sleeved on the connecting pipe 10;
the moving plate 27 is provided with a plurality of sets of sliding grooves 29, the number of the sliding grooves 29 is equal to that of the U-shaped plates 28, the plurality of sets of sliding grooves 29 are distributed in a fan shape, pin shafts 30 are arranged in the sliding grooves 29 in a sliding mode, and the pin shafts 30 are installed on a vertical portion on one side of each U-shaped plate 28.
The first limiting member includes a first sliding sleeve 31 and a first sliding rail 32, the two ends of the side wall of the moving plate 27 far away from the threaded sleeve 26 are respectively provided with the first sliding sleeve 31, the first sliding sleeve 31 is sleeved on the first sliding rail 32 and is slidably connected with the first sliding rail 32, and the first sliding rail 32 is vertically arranged on the inner wall of the installation shell 17 close to the moving plate 27.
The second limiting member includes a second sliding sleeve 33 and a second sliding rail 34, the second sliding sleeve 33 is installed on the vertical portion of one side of the U-shaped plate 28, the second sliding sleeve 33 is sleeved on the second sliding rail 34 and is slidably connected with the second sliding rail 34, and the second sliding rail 34 is horizontally arranged on the inner wall of the installation housing 17 close to the moving plate 27.
The working principle of the invention is as follows: 80 parts of basalt master batch; 12 parts of asphalt; 4 parts of mineral powder; 10 parts of iron tailing master batch; 2.5 parts of a cementing agent; adding 1.8 parts of silicon carbide into a stirring tank, mixing and stirring for 20min at the temperature of 200 ℃ to obtain asphalt concrete, and then paving the asphalt concrete on a road surface by using a paver, so that an asphalt concrete layer is formed on a roadbed, wherein the asphalt concrete layer has the advantages of good structural strength and difficulty in cracking;
a plurality of rows of deformation sections are discontinuously arranged on the asphalt concrete layer, and a plurality of groups of deformation holes are discontinuously arranged on each row of deformation sections;
adding a rubber material and an anti-wear agent into the heating cavity 3 of the melting tank 1 according to the weight ratio of 100:6 for heating to prepare a rubber filling agent, and then adjusting the distance of the connecting pipes 10 on the drip irrigation mechanism 8 through the distance adjusting mechanism 2 according to the distance of the deformation holes on each row of deformation sections; firstly, the driving motor 22 is controlled to rotate forwards and backwards, the driving belt pulley 23 and the driven belt pulley 24 drive the screw rod 25 to rotate forwards and backwards, the threaded sleeve 26 is sleeved on the screw rod 25, so that the threaded sleeve 26 moves up and down along the screw rod 25, and the moving plate 27 is driven to move up and down along the mounting shell 17 through the first sliding sleeve 31 and the first sliding rail 32, because the moving plate 27 is provided with a plurality of groups of sliding grooves 29, the number of the sliding grooves 29 is equal to the number of the U-shaped plates 28, and the plurality of groups of sliding grooves 29 are distributed in a fan shape, the sliding grooves 29 are internally provided with the pin shafts 30, the pin shafts 30 are arranged on the vertical part of one side of the U-shaped plates 28, so that the U-shaped plates 28 horizontally move along the mounting shell 17 through the second sliding sleeves 33 and the second sliding rails 34, and the distance between each group of U-shaped plates 28 is adjusted, the vertical part of the other side of the U-shaped plates 28 is provided with the connecting plate 20, and the connecting rods 19 are vertically arranged on the connecting plate 20, the bottom end of the connecting rod 19 is provided with a connecting sleeve 21, the connecting sleeve 21 is sleeved on the connecting pipes 10, so that the distance between each group of connecting pipes 10 is adjusted, and further the distance between the discharge pipes 11 is adjusted, so that the distance between the discharge pipes 11 is equal to the distance between the deformation holes on each row of deformation sections; the distance adjusting mechanism 2 is arranged, so that the driving motor 22 is controlled to work, the distance between the discharge pipes 11 is adjusted, and the discharge pipes are matched with the deformation holes, so that the deformation holes are convenient to slip cast, and the discharge pipes are suitable for asphalt concrete pavements with different widths;
the valve on the shunt tube 5 is opened, so that the rubber filling agent in the melting tank 1 enters the discharge tube 11 along the shunt tube 5, the connecting tube 10 and the bottom tube 9, and is discharged from the discharge tube 11 and falls into the deformation hole on the asphalt concrete layer for solidification and molding, and the drip irrigation mechanism 8 is arranged on the melting tank 1, so that a plurality of groups of deformation holes can be grouted at one time, and the construction efficiency of the asphalt concrete pavement is greatly improved;
the rubber filling agent is arranged in each deformation hole, so that the structure of the asphalt concrete layer is changed, when the weather is suddenly cooled, the asphalt concrete shrinks towards the deformation holes due to the heat expansion and the cold contraction, the volume of the deformation holes is reduced, the rubber filling agent protrudes outwards from the surface of the asphalt concrete base layer, when a vehicle passes by, the ice layer has a downward moving stroke, so that the ice layer is broken, and meanwhile, when the rubber filling agent is ejected outwards, the rubber filling agent also has the capacity of breaking the thin ice; when the road is not frozen and is cold, a certain deceleration effect can be achieved, and meanwhile, the deformation quantity of the asphalt concrete can be borne, so that the asphalt concrete is prevented from cracking; when the temperature is higher, the rubber filling agent is hidden in the deformation hole, so that the abrasion loss of the elastic block is reduced.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The asphalt concrete pavement construction process based on the target mixing proportion is characterized by comprising the following steps of: the method comprises the following steps:
s1, 70-80 parts of basalt master batch; 6-12 parts of asphalt; 2-4 parts of mineral powder; 8-10 parts of an iron tailing master batch; 1.5-2.5 parts of a cementing agent; adding 1.1-1.8 parts of silicon carbide into a stirring tank, mixing and stirring for 20min at the temperature of 180-200 ℃ to obtain asphalt concrete, and paving the asphalt concrete on a road surface by using a paver so as to form an asphalt concrete layer on a roadbed;
s2, discontinuously arranging a plurality of rows of deformation sections on the asphalt concrete layer, wherein each row of deformation sections is discontinuously provided with a plurality of groups of deformation holes;
s3, adding a rubber material and an anti-wear agent into a heating cavity (3) of a melting tank (1) according to a weight ratio of 90-100:5-6 to heat, preparing a rubber filling agent, and adjusting the distance of connecting pipes (10) on a drip irrigation mechanism (8) through a distance adjusting mechanism (2) according to the distance of deformation holes on each row of deformation sections; firstly, the driving motor (22) is controlled to rotate forwards and backwards, the screw rod (25) is driven to rotate forwards and backwards through the driving belt pulley (23) and the driven belt pulley (24), the threaded sleeve (26) is sleeved on the screw rod (25) to enable the threaded sleeve (26) to move up and down along the screw rod (25), so that the movable plate (27) is driven to move up and down along the installation shell (17) through the first sliding sleeve (31) and the first sliding rail (32), as a plurality of groups of sliding grooves (29) are formed in the movable plate (27), the number of the sliding grooves (29) is equal to that of the U-shaped plates (28), the plurality of groups of sliding grooves (29) are distributed in a sector shape, a pin shaft (30) is arranged in the sliding grooves (29), the pin shaft (30) is arranged on the vertical part on one side of the U-shaped plate (28), so that the U-shaped plate (28) moves horizontally along the installation shell (17) through the second sliding sleeve (33) and the second sliding rail (34), therefore, the distance between each group of U-shaped plates (28) is adjusted, a connecting plate (20) is arranged at the vertical part of the other side of each U-shaped plate (28), a connecting rod (19) is vertically arranged on each connecting plate (20), a connecting sleeve (21) is arranged at the bottom end of each connecting rod (19), and the connecting sleeve (21) is sleeved on each connecting pipe (10), so that the distance between each group of connecting pipes (10) is adjusted, and further the distance between the discharge pipes (11) is adjusted, and the distance between the discharge pipes (11) is equal to the distance between deformation holes in each row of deformation sections;
s4, opening a valve on the shunt pipe (5) to enable the rubber filling agent in the melting tank (1) to enter the discharge pipe (11) along the shunt pipe (5), the connecting pipe (10) and the bottom pipe (9), and discharging the rubber filling agent from the discharge pipe (11) to fall into a deformation hole on the asphalt concrete layer for curing and molding;
the drip irrigation mechanism (8) comprises a bottom pipe (9), a connecting pipe (10), a discharge pipe (11), a telescopic movable rod (12) and a movable block (14), wherein the feeding end of the connecting pipe (10) is positioned in a discharge hole (16) and movably connected with the discharge hole (16), the discharge end of the connecting pipe (10) is connected with the bottom pipe (9), the discharge pipe (11) is arranged at the bottom end of the bottom pipe (9), the side wall of the bottom pipe (9) is movably connected with one end of the telescopic movable rod (12), the other end of the telescopic movable rod (12) is movably connected with an installation frame (13) through the movable block (14), an installation plate (7) is arranged on the top surface of the installation frame (13), an interval adjusting mechanism (2) is arranged on the installation plate (7), and the interval adjusting mechanism (2) is connected with the connecting pipe (10);
the distance adjusting mechanism (2) comprises an installation shell (17), a fixing plate (18), a driving assembly and a distance adjusting assembly, wherein the fixing plate (18) is arranged on the back surface of the installation shell (17) and is arranged on the installation plate (7) through the fixing plate (18), the driving assembly is arranged on one side of the installation shell (17), the distance adjusting assembly is arranged on the other side of the installation shell (17), and the output end of the driving assembly is connected with the distance adjusting assembly;
the driving assembly comprises a driving motor (22), a driving belt pulley (23), a driven belt pulley (24) and a screw rod (25), the driving motor (22) is arranged on one side of the inner cavity of the mounting shell (17), the output end of the driving motor (22) is connected with the driving belt pulley (23), the driving belt pulley (23) is connected with the driven belt pulley (24) through a belt, the screw rod (25) is rotatably arranged in the mounting shell (17), and the top end of the screw rod (25) is connected with the driven belt pulley (24);
the spacing adjusting component comprises a connecting rod (19), a connecting plate (20), a connecting sleeve (21), a threaded sleeve (26), a moving plate (27), a U-shaped plate (28), a sliding groove (29) and a pin shaft (30), the threaded sleeve (26) is sleeved on the screw rod (25), and is connected with the screw rod (25) by screw thread, the threaded sleeve (26) is connected with one end of the side wall of the movable plate (27), two ends of the side wall of the movable plate (27) far away from the threaded sleeve (26) are connected with the installation shell (17) in a sliding way through a first limiting piece, a plurality of groups of U-shaped plates (28) are arranged side by side on the inner wall of the installation shell (17) close to the movable plate (27), the vertical part of one side of each U-shaped plate (28) is connected with the inner wall of the installation shell (17) in a sliding way through the first limiting piece, the vertical part of the other side of each U-shaped plate (28) is positioned right ahead of the installation shell (17), the horizontal part of the U-shaped plate (28) is positioned at the bottom of the mounting shell (17); a connecting plate (20) is arranged at the vertical part at the other side of the U-shaped plate (28), a connecting rod (19) is vertically arranged on the connecting plate (20), a connecting sleeve (21) is arranged at the bottom end of the connecting rod (19), and the connecting sleeve (21) is sleeved on the connecting pipe (10);
the movable plate (27) is provided with a plurality of groups of sliding grooves (29), the number of the sliding grooves (29) is equal to that of the U-shaped plates (28), the sliding grooves (29) are distributed in a fan shape, pin shafts (30) are arranged in the sliding grooves (29) in a sliding mode, and the pin shafts (30) are installed on the vertical portion of one side of each U-shaped plate (28).
2. The asphalt concrete pavement construction process based on the target mix proportion as claimed in claim 1, wherein the melting tank (1) is arranged on the top surface of the mounting frame (13), the heating cavity (3) is arranged in the melting tank (1), the cover (4) is arranged on the top surface of the melting tank (1) through hinges, a plurality of groups of discharging holes are arranged on one side wall of the melting tank (1) side by side and are connected with the feeding end of the shunt pipe (5), the discharging end of the shunt pipe (5) is connected with the discharging holes (16), the discharging holes (16) are arranged on the transverse plate (15) side by side, the transverse plate (15) is arranged on the mounting frame (13), the number of the discharging holes (16) is equal to that of the melting tank (1), and the drip irrigation mechanism (8) is arranged at each group of the discharging holes (16).
3. The asphalt concrete pavement construction process based on the target mix proportion as claimed in claim 2, wherein the bottom of the discharge pipe (11) is provided with discharge holes, each group of shunt pipes (5) is provided with valves, and the two sides of the mounting rack (13) are provided with rollers (6).
4. The asphalt concrete pavement construction process based on the target mix proportion as claimed in claim 1, wherein the first limiting member comprises a first sliding sleeve (31) and a first sliding rail (32), the two ends of the side wall of the moving plate (27) far away from the threaded sleeve (26) are respectively provided with the first sliding sleeve (31), the first sliding sleeve (31) is sleeved on the first sliding rail (32) and is slidably connected with the first sliding rail (32), and the first sliding rail (32) is vertically arranged on the inner wall of the installation shell (17) close to the moving plate (27).
5. The asphalt concrete pavement construction process based on the target mix proportion as claimed in claim 1, wherein the second limiting member comprises a second sliding sleeve (33) and a second sliding rail (34), the second sliding sleeve (33) is installed on the vertical portion of one side of the U-shaped plate (28), the second sliding sleeve (33) is sleeved on the second sliding rail (34) and is slidably connected with the second sliding rail (34), and the second sliding rail (34) is horizontally arranged on the inner wall of the installation shell (17) close to the moving plate (27).
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| CN202011091202.3A CN112227134B (en) | 2020-10-13 | 2020-10-13 | Asphalt concrete pavement construction process based on target mix proportion |
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