CN108195645B - Micro-surfacing paving device for rotary road surface accelerated loading rut test piece and operation method - Google Patents
Micro-surfacing paving device for rotary road surface accelerated loading rut test piece and operation method Download PDFInfo
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- CN108195645B CN108195645B CN201711458628.6A CN201711458628A CN108195645B CN 108195645 B CN108195645 B CN 108195645B CN 201711458628 A CN201711458628 A CN 201711458628A CN 108195645 B CN108195645 B CN 108195645B
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- G01—MEASURING; TESTING
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- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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Abstract
A little table department device and operation method that paves for rotation road surface accelerated loading rut test piece, including the blending tank, the case and the screed pave, the blending tank downside is connected with the case that paves through hopper down, the case downside that paves is connected with the screed through the mount, the case left and right sides that paves all is provided with the front wheel, the blending tank right side is connected with first motor, the pan feeding mouth has been seted up to the blending tank upside, blending tank internally mounted has the axle that mixes, it is connected with the mixing blade to mix the axle, it is fixed that the blending tank downside passes through the upper portion support, upper portion support downside is connected with the lower part. The invention also provides a micro-surfacing paving operation method for the rotary road accelerated rut loading test piece, which comprises the following steps: the height of the scraping plate can be adjusted according to test requirements, so that the adjustment of the paving thickness and the control of the compaction degree are realized, the sieve plate can be disassembled and replaced according to the type of the micro-surfacing mixture, the disassembly and the cleaning work of the paving box are also facilitated, and the popularization is good.
Description
Technical Field
The invention relates to the technical field of micro-surfacing paving devices, in particular to a micro-surfacing paving device for a rotary road surface accelerated loading rut test piece and an operation method.
Background
The micro-surfacing is a preventive maintenance method developed on the basis of slurry seal, namely, coarse aggregates and fine aggregates with proper gradation are used as binding materials, polymer modified emulsified asphalt is used as a binding material, fillers such as water, cement and the like are added, a uniform slurry mixture is prepared by mixing, and the mixture is uniformly spread on a road surface according to the required thickness and width to form an asphalt surface treatment thin layer. In order to solve the problems of road surface friction resistance reduction, cracks, ruts and the like, ensure the skid resistance and the water tightness of the road surface in the operation process, improve the road surface flatness and the driving comfort and increase the use durability of the road, usually, a small test piece is formed in a laboratory, and an optimal aggregate gradation and an optimal oilstone ratio are determined by utilizing an adhesion tester, a wet wheel abrasion tester, a load wheel grinding instrument and the like. If the field test road is adopted to research the road performance change at different micro-surfacing positions, the mix proportion design is optimized, a large amount of research expenditure is required, the research time is long, and the test result is easily influenced by the external environment and the construction technical level, so that the rotary road surface accelerated loading testing machine based on the accurate simulation of the road surface structure and the material performance utilizes the inflatable all-steel wire rubber tire and the controllable wheel load provided by the testing machine to simulate the working conditions such as the actual road running speed, the horizontal shearing force and the like, and rolls the micro-surfacing mixture with different grades or different types, provides main factors influencing the performance of the micro-surfacing mixture, obtains the mix proportion design and optimization measures of the micro-surfacing mixture with different types, evaluates the road performance of the micro-surfacing mixture, and provides core data for the popularization and application of the micro-surfacing in the road surface maintenance.
The research shows that no micro-surfacing spreading device special for the rotary road accelerated loading rut test piece exists in the market, and an operation method of the micro-surfacing spreading device is not provided. Therefore, how to design the micro-surfacing paving device for the rotary road surface accelerated loading rut test piece, the operation method of the device is provided, the outstanding problems that the mix proportion design is disjointed with the road performance, the abrasion resistance is poor, the noise is large, the anti-reflection crack capability is weak and the like in the current road surface micro-surfacing maintenance technology can be solved, and data support and reference are provided for the revision of the micro-surfacing technical guide.
Disclosure of Invention
The invention aims to provide a micro-surfacing paving device for a rotary road accelerated loading rut test piece and an operation method, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a micro-surfacing paving device for a rotary road accelerated rut loading test piece comprises a stirring box, a paving box and a scraping plate, wherein the lower side of the stirring box is connected with the paving box through a blanking hopper, the lower side of the paving box is connected with the scraping plate through a fixing frame, the left side and the right side of the paving box are respectively provided with a front travelling wheel, the right side of the stirring box is connected with a first motor, the upper side of the stirring box is provided with a feeding port, the inside of the stirring box is provided with a stirring shaft, the outside of the stirring shaft is connected with a stirring blade, the lower side of the stirring box is fixed through an upper support, the lower side of the upper support is connected with a lower support, the lower support is connected with a stepping roller shaft, the inside of the paving box is provided with a spiral stirring shaft, the outside of the spiral stirring shaft is connected with a linkage pulley, the lower, the baffle outside is connected with the bolt of screwing, and the welding of spiral (mixing) shaft outside has spiral stirring vane, and the case right side that paves is fixed with the second motor, and the second motor is connected with the belt, and the second motor passes through the belt and is connected by left side step roller axle and right side spiral stirring axle respectively.
Furthermore, a drawing plate is arranged on the front side of the junction of the mixing box and the discharging hopper, and the area of the plate surface of the drawing plate is larger than the area of the inner section of the discharging hopper at the junction of the mixing box and the discharging hopper.
Further, the outer wall of the paving box close to one side of the fixing frame is provided with a sliding groove, a scale is drawn on the inner side of the sliding groove, a sliding block corresponding to the sliding groove is welded on the inner wall of the fixing frame along the direction of the sliding groove, and an adjusting bolt is installed on the outer side of the fixing frame.
Furthermore, the outer side of the scraping plate is fixedly connected with the fixing frame through fixing bolts which are arranged at equal intervals, and the length of the scraping plate is greater than the side length of the track plate test piece in the parallel direction with the scraping plate.
Furthermore, the left end and the right end of the distributing device are connected through a traction line which bypasses the linkage pulley, the distributing device is arranged in an arc shape, and the edge of the distributing device does not deviate from the outer edge of the spreading box in the swinging process.
Furthermore, a sieve plate is inserted into the lower side of the paving box and can be replaced randomly according to requirements.
Furthermore, a front flat plate is placed on the front side of the rutting plate placing area, a side flat plate is placed on the side face of the right side, a rear flat plate is placed behind the rear screwing baffle, and the front flat plate, the side flat plate and the rear flat plate are on the same horizontal plane and flush with the upper plane of the rutting test piece.
Furthermore, ∩ -shaped grooves are formed in the lower supports on the two sides, and the inner diameter of the ∩ -shaped groove is larger than the outer diameter of the spiral stirring shaft.
The method comprises the following specific steps:
s1, manufacturing and maintaining a rut test piece according to the relevant requirements of a T0703 asphalt mixture test piece manufacturing method (wheel grinding method) in road engineering asphalt and asphalt mixture test procedures;
s2, selecting the mixing material needed by the micro-surfacing according to the related requirements in the technical guidelines of micro-surfacing and slurry sealing;
s3, controlling the temperature in the whole paving process to be not lower than 10 ℃, correctly placing the rut test piece in the rut plate placing area, fixing the rut test piece through a baffle and a screwed bolt, and stably placing the rear flat plate;
s4, correctly placing the front traveling wheel in the slide rail, placing the device to the starting point of the rutting test piece, aligning the starting line of the rutting test piece, and adjusting and fixing the height of the scraping plate through the sliding groove under the action of the ruler according to the thickness requirement of the micro-surfacing, wherein at the moment, the scraping plate is tightly attached to the outer side of the front flat plate;
s4, adding aggregate, filler, water and modified emulsified asphalt into a mixing box in sequence or simultaneously according to the test requirement, starting a first motor, and mixing under the action of a mixing shaft and a mixing blade to prepare a uniform thin slurry mixture;
s6, drawing out the pull plate, enabling the slurry mixture to enter the paving box through the blanking hopper, starting the second motor, at the moment, the step roller shaft and the spiral stirring shaft rotate simultaneously, under the driving of the spiral stirring shaft, the spiral stirring blade uniformly conveys the slurry mixture to the distributing device through the sieve plate, the slide rail drives the traction line to move together with the distributing device at a constant speed, the slurry mixture uniformly falls onto the micro-surface of the rutting test piece, under the driving of the step roller shaft, the front traveling wheel moves forward at a constant speed, and the scraper is driven to uniformly pave the slurry mixture at the micro-surface of the rutting test piece until the scraper exceeds the right boundary of the rutting test piece.
Further, the aggregate, the filler, the water and the modified emulsified asphalt are mixed by mass as follows: basalt aggregate: portland cement (P.O 42.5) filler: water: slow-breaking cationic modified emulsified asphalt = 200: 3: 12: 23; in the basalt aggregates, 21 percent of aggregates with the particle size of 5-10mm is used; 11 percent of aggregate with the grain diameter of 3-5 mm; 68% of aggregate with the particle size of 0-3 mm; in the slow-breaking cation modified emulsified asphalt, the content of evaporation residues of the modified emulsified asphalt is 62.5 percent, the content of residues on a 1.18mm sieve is not more than 0.1 percent, and the standard viscosity of the asphalt is not less than 12s and not more than 60 s; the softening point of evaporation residue is not less than 53 ℃, the ductility of the evaporation residue at 5 ℃ is not less than 20cm, the penetration (100 g, 25 ℃, 5 s) of the evaporation residue is not less than 40 (unit 0.1 mm) and not more than 100 (unit 0.1 mm), the solubility (trichloroethylene) of the evaporation residue is not less than 97.5%, the storage stability at normal temperature is not more than 1 day, the storage stability at normal temperature is not more than 5 days, and the wrapping area with coarse aggregate is not less than 2/3.
The invention has the beneficial effects that: the micro-surfacing paving device for the rotary road surface accelerated rut loading test piece can adjust the height of the scraping plate according to the test purpose, so that the paving thickness can be adjusted, the sieve plate can be disassembled and replaced according to the type of the mixture at the micro-surfacing, the mounting, dismounting and cleaning work of the paving box is facilitated, meanwhile, the flat plates are placed around the rutting plate, the phenomenon of uneven paving caused by too much or too little mixture in the paving box before and after paving is avoided, the cleanness of a device base can be better ensured, and by installing the sieve plate, ultra-particle-diameter aggregate or a small amount of undiscovered mixture is prevented from falling under the scraping plate after emulsion breaking and conglomerating, and a long scratch is formed under the scraping plate.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the base structure of the apparatus of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic view of a swing system of the present invention;
FIG. 6 is a schematic view of the internal structure of the lower bracket of the present invention;
FIG. 7 is a schematic illustration of the rear panel arrangement of the present invention;
in the drawing, 1, a mixing box, 2, a paving box, 3, a scraping plate, 4, a front wheel, 5, a first motor, 6, a feeding port, 7, a mixing shaft, 8, a mixing blade, 9, an upper support, 10, a lower support, 11, a stepping roller shaft, 12, a blanking hopper, 13, a drawing plate, 14, a chute, 15, a scale, 16, a fixing frame, 17, an adjusting bolt, 18, a fixing bolt, 19, a spiral stirring shaft, 20, a linkage pulley, 21, a traction line, 22, a distributor, 23, a sieve plate, 24, a device base, 25, a slide rail, 26, a rutting plate placing area, 27, a front flat plate, 28, a side flat plate, 29, a baffle, 30, a screwing bolt, 31, a spiral stirring blade, 32, a second motor, 33, a belt, 34, ∩, 35 and a rear flat plate are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, which provide the technical solution of the present invention: a micro-surfacing paving device for a rotary road surface accelerated rut loading test piece comprises a stirring box 1, a paving box 2 and a scraping plate 3, wherein the lower side of the stirring box 1 is connected with the paving box 2 through a blanking hopper 12, the lower side of the paving box 2 is connected with the scraping plate 3 through a fixing frame 16, the left side and the right side of the paving box 2 are respectively provided with a front travelling wheel 4, the right side of the stirring box 1 is connected with a first motor 5, the upper side of the stirring box 1 is provided with a feeding port 6, the stirring box 1 is internally provided with a stirring shaft 7, the outer side of the stirring shaft 7 is connected with a stirring blade 8, the lower side of the stirring box 1 is fixed through an upper support 9, the lower side of the upper support 9 is connected with a lower support 10, the lower support 10 is connected with a stepping roller shaft 11, the inside of the paving box 2 is provided with a spiral stirring, rut board is seted up in device base 24 middle part and is placed district 26, and rut board is placed district 26 right side and is provided with baffle 29, and the baffle 29 outside is connected with the bolt 30 of screwing, and the welding of spiral stirring shaft 19 outside has spiral stirring vane 31, and the case 2 right side that paves is fixed with second motor 32, and second motor 32 is connected with belt 33, and second motor 32 passes through belt 33 and is connected by left side step roller 11 and right side spiral stirring shaft 19 respectively.
Further, the pull plate 13 is installed to the front side of blending box 1 and lower hopper 12 juncture, and the face area of pull plate 13 is greater than and blends the hopper 12 inside cross-sectional area under 1 juncture of blending box, can prevent that the thin slurry mixture who does not mix from getting into the case 2 that paves to better assurance quality of paving.
Furthermore, the outer wall of the paving box 2 close to one side of the fixing frame 16 is provided with a sliding groove 14, a scale 15 is drawn on the inner side of the sliding groove 14, a sliding block corresponding to the sliding groove 14 is welded on the inner wall of the fixing frame 16 along the direction of the sliding groove 14, an adjusting bolt 17 is installed on the outer side of the fixing frame 16, the height of the scraping plate 3 can be accurately adjusted according to conditions, and therefore the paving thickness can be adjusted.
Further, the outer side of the scraping plate 3 is fixedly connected with the fixing frame 16 through fixing bolts 18 which are arranged at equal intervals, and the length of the scraping plate 3 is larger than the side length of the rut plate test piece in the direction parallel to the scraping plate 3, so that the stability of the scraping plate 3 in the working state can be ensured, and the micro-surface spreading effect of the rut test piece can be ensured.
Further, both ends are connected through a pull wire 21 of walking around linkage pulley 20 about distributing device 22, and distributing device 22 is the arc and arranges, and wobbling in-process distributing device 22 edge does not deviate the case 2 outer edge of spreading, can pass through the horizontal hunting of distributing device 22, and the even whereabouts of better realization thin thick liquid mixture.
Furthermore, sieve 23 has been inserted to 2 downside employments of case that paves, and sieve 23 can be changed wantonly as required, the suitability of realization device that can be better.
Further, district 26 front sides are placed to the rut board and are put leading flat plate 27, and the side flat plate 28 has been placed to the right side, has placed rearmounted flat plate 35 behind the tight baffle 29 of rear side spiral, and leading flat plate 27, side flat plate 28 and rearmounted flat plate 35 are on same horizontal plane, and flush with the plane on the rut test piece, not only can provide fine working plane for the little table department of rut test piece paves, can also guarantee the homogeneity that the little table department of rut test piece paves.
Furthermore, ∩ -shaped grooves 34 are formed in the lower support 10 on two sides, the inner diameter of the ∩ -shaped grooves 34 is larger than the outer diameter of the spiral stirring shaft 19, and the paving box 2 and the internal spiral stirring blades 31 can be detached and cleaned better conveniently.
The invention discloses a micro-surfacing paving operation method for a rotary road surface accelerated rut loading test piece, which adopts a micro-surfacing paving device for the rotary road surface accelerated rut loading test piece and is implemented according to the following steps:
s1, manufacturing and maintaining a rut test piece according to the relevant requirements of a T0703 asphalt mixture test piece manufacturing method (a wheel grinding method) in engineering asphalt and asphalt mixture test procedures;
s2, selecting the mixing material needed by the micro-surfacing according to the related requirements in the technical guidelines of micro-surfacing and slurry sealing;
s3, controlling the temperature in the whole paving process to be not lower than 10 ℃, correctly placing the rutting test piece in the rutting plate placing area 26, fixing the rutting test piece through the baffle 29 and the screwing bolt 30, and stably placing the rear flat plate 35;
s4, correctly placing the front wheel 4 in the slide rail 25, placing the device to the starting point of the rutting test piece, aligning with the starting line of the rutting test piece, and adjusting and fixing the height of the scraping plate 3 through the slide groove 14 under the action of the scale 15 according to the thickness requirement of the micro-surface, wherein at the moment, the scraping plate 3 is tightly attached to the outer side of the front flat plate 27;
s5, adding coarse and fine aggregates, fillers, water and modified emulsified asphalt into the mixing box 1 in sequence or simultaneously according to the test requirements, starting the first motor 5, and mixing under the action of the mixing shaft 7 and the mixing blades 8 to prepare a uniform thin slurry mixture;
s6, drawing out the drawing plate 13 to enable the slurry mixture to enter the paving box 2 through the blanking hopper 12, starting the second motor 32, at the moment, the stepping roller shaft 11 and the spiral stirring shaft 19 rotate simultaneously, under the driving of the spiral stirring shaft 19, the spiral stirring blade 31 evenly conveys the slurry mixture to the distributing device 22 through the sieve plate 23, in the process that the slide rail 25 drives the traction line 21 and the distributing device 22 to move at a constant speed, the slurry mixture evenly falls on the micro-surface of the rutting test piece, under the driving of the stepping roller shaft 11, the front traveling wheel 4 moves forwards to drive the scraping plate 3 to evenly pave the slurry mixture at the micro-surface of the rutting test piece until the scraping plate 3 exceeds the right boundary of the rutting test piece.
Further, the aggregate, the filler, the water and the modified emulsified asphalt are mixed by mass as follows: basalt aggregate: portland cement (P.O 42.5) filler: water: slow-breaking cationic modified emulsified asphalt = 200: 3: 12: 23.
in the martial aggregate, 21% of aggregate with the particle size of 5-10mm is contained; 11 percent of aggregate with the grain diameter of 3-5 mm; 68 percent of aggregate with the grain diameter of 0-3 mm.
In the slow-breaking cation modified emulsified asphalt, the content of evaporation residues of the modified emulsified asphalt is 62.5 percent, the content of residues on a 1.18mm sieve is not more than 0.1 percent, and the standard viscosity of the asphalt is not less than 12s and not more than 60 s; the softening point of evaporation residue is not less than 53 ℃, the ductility of the evaporation residue at 5 ℃ is not less than 20cm, the penetration (100 g, 25 ℃, 5 s) of the evaporation residue is not less than 40 (unit 0.1 mm) and not more than 100 (unit 0.1 mm), the solubility (trichloroethylene) of the evaporation residue is not less than 97.5%, the storage stability at normal temperature is not more than 1 day, the storage stability at normal temperature is not more than 5 days, and the wrapping area with coarse aggregate is not less than 2/3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A little table department device that paves for rotation road surface accelerated loading rut test piece, including mixing box (1), paving box (2) and strickle (3), its characterized in that: the mixing box is characterized in that the lower side of the mixing box (1) is connected with a paving box (2) through a lower hopper (12), the lower side of the paving box (2) is connected with a scraping plate (3) through a fixing frame (16), the left and right sides of the paving box (2) are provided with front traveling wheels (4), the right side of the mixing box (1) is connected with a first motor (5), the upper side of the mixing box (1) is provided with a feeding port (6), the mixing box (1) is internally provided with a mixing shaft (7), the outer side of the mixing shaft (7) is connected with a mixing blade (8), the lower side of the mixing box (1) is fixed through an upper support (9), the lower side of the upper support (9) is connected with a lower support (10), the lower support (10) is connected with a stepping roller shaft (11), the inside of the paving box (2) is provided with a spiral stirring shaft (19), the outer, a sliding rail (25) is arranged on the lower side of the front travelling wheel (4), the sliding rail (25) is located on the front side and the rear side of a device base (24), a rutting plate placing area (26) is arranged in the middle of the device base (24), a baffle plate (29) is arranged on the right side of the rutting plate placing area (26), a screwing bolt (30) is connected to the outer side of the baffle plate (29), a spiral stirring blade (31) is welded to the outer side of the spiral stirring shaft (19), a second motor (32) is fixed to the right side of the spreading box (2), the second motor (32) is connected with a belt (33), and the second motor (32) is connected with the left stepping roller shaft (11) and the right spiral stirring shaft (19) through the belt (33);
the micro-surfacing paving operation method for the rotary road accelerated loading rut test piece is implemented according to the following steps:
s1, manufacturing and maintaining a rut test piece according to the requirements of a T0703 asphalt mixture test piece manufacturing method in road engineering asphalt and asphalt mixture test procedures;
s2, selecting the mixing material needed by the micro-surfacing according to the requirements in the technical guidelines of micro-surfacing and slurry sealing;
s3, controlling the temperature of the whole paving process to be not lower than 10 ℃, correctly placing the rut test piece in the rut plate placing area (26), fixing the rut test piece through a baffle (29) and a screwing bolt (30), and stably placing the rear flat plate (35);
s4, correctly placing the front wheel (4) in the slide rail (25), placing the device to the starting point of a rutting test piece, aligning the starting line of the rutting test piece, and adjusting and fixing the height of the scraping plate (3) through the sliding groove (14) under the action of the scale (15) according to the thickness requirement of a micro-meter, wherein at the moment, the scraping plate (3) is tightly attached to the outer side of the front flat plate (27);
s5, adding aggregate, filler, water and modified emulsified asphalt into a mixing box (1) in sequence or simultaneously according to the test requirement, starting a first motor (5), and mixing under the action of a mixing shaft (7) and a mixing blade (8) to prepare a uniform slurry mixture;
s6, drawing out the drawing plate (13), enabling the slurry mixture to enter the paving box (2) through the blanking hopper (12), starting the second motor (32), at the moment, simultaneously rotating the stepping roller shaft (11) and the spiral stirring shaft (1) and (9), under the drive of the spiral stirring shaft (19), uniformly conveying the slurry mixture to the distributor (22) through the sieve plate (23) by the spiral stirring blade (31), in the process of driving the traction line (21) and the distributor (22) to move at a constant speed by the sliding rail (25), enabling the slurry mixture to uniformly fall onto the micro-surface of the rutting test piece, under the drive of the stepping roller shaft (11), enabling the front wheel (4) to move forwards at a constant speed, driving the scraping plate (3) to uniformly pave the slurry mixture at the micro-surface of the rutting test piece until the scraping plate (3) exceeds the right boundary of the rutting test piece.
2. The micro-surfacing paving device for the rotary road surface accelerated rutting test piece according to claim 1, wherein: the front side of the junction of the mixing box (1) and the discharging hopper (12) is provided with a drawing plate (13), and the area of the surface of the drawing plate (13) is larger than the area of the internal section of the discharging hopper (12) at the junction of the mixing box (1).
3. The micro-surfacing paving device for the rotary road surface accelerated rutting test piece according to claim 1, wherein: the outer wall of the paving box (2) close to one side of the fixing frame (16) is provided with a sliding groove (14), the inner side of the sliding groove (14) is drawn with a scale (15), the inner wall of the fixing frame (16) is welded with a sliding block corresponding to the sliding groove (14) along the direction of the sliding groove (14), and the outer side of the fixing frame (16) is provided with an adjusting bolt (17).
4. The micro-surfacing paving device for the rotary road surface accelerated rutting test piece according to claim 1, wherein: the outer side of the scraping plate (3) is fixedly connected with a fixing frame (16) through fixing bolts (18) which are arranged at equal intervals, and the length of the scraping plate (3) is greater than the side length of the rutting plate test piece in the direction parallel to the scraping plate (3).
5. The micro-surfacing paving device for the rotary road surface accelerated rutting test piece according to claim 1, wherein: the left end and the right end of the distributing device (22) are connected through a traction line (21) which bypasses the linkage pulley (20), the distributing device (22) is arranged in an arc shape, and the edge of the distributing device (22) does not deviate from the outer edge of the spreading box (2) in the swinging process.
6. The micro-surfacing paving device for the rotary road surface accelerated rutting test piece according to claim 1, wherein: the sieve plate (23) is inserted into the lower side of the paving box (2), and the sieve plate (23) can be replaced randomly according to requirements.
7. The micro-surfacing paving device for the rotary road surface accelerated rutting test piece according to claim 1, wherein: leading dull and stereotyped (27) have been placed to rut board place district (26) front side, and side flat board (28) have been placed to the right side, and rearmounted flat board (35) have been placed behind rear side screwing baffle (29), and leading dull and stereotyped (27), side flat board (28) and rearmounted flat board (35) are on same horizontal plane, and level with rut test piece upper plane.
8. The micro-surfacing spreading device for the rotary road surface accelerated rutting test piece according to claim 1, wherein ∩ -shaped grooves (34) are formed in the lower supports (10) on the two sides, and the inner diameter of the ∩ -shaped grooves (34) is larger than the outer diameter of the spiral stirring shaft (19).
9. The micro-surfacing paving operation method for the rotary road surface accelerated loading rut test piece according to claim 1, which is characterized in that: the aggregate, the filler, the water and the modified emulsified asphalt are mixed by mass as follows: basalt aggregate: ordinary portland cement filler: water: slow-breaking cationic modified emulsified asphalt = 200: 3: 12: 23;
in the basalt aggregates, 21 percent of aggregates with the particle size of 5-10mm is used; 11 percent of aggregate with the grain diameter of 3-5 mm; 68% of aggregate with the particle size of 0-3 mm;
in the slow-breaking cation modified emulsified asphalt, the content of evaporation residues of the modified emulsified asphalt is 62.5 percent, the content of residues on a 1.18mm sieve is not more than 0.1 percent, and the standard viscosity of the asphalt is not less than 12s and not more than 60 s; the softening point of evaporation residue is not less than 53 ℃, the ductility of the evaporation residue at 5 ℃ is not less than 20cm, the penetration degree of the evaporation residue is not less than 4mm and not more than 10mm, the solubility of the evaporation residue is not less than 97.5%, the storage stability at normal temperature in 1 day is not more than 1, the storage stability at normal temperature in 5 days is not more than 5, and the wrapping area with coarse aggregate is not less than 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458628.6A CN108195645B (en) | 2017-12-28 | 2017-12-28 | Micro-surfacing paving device for rotary road surface accelerated loading rut test piece and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458628.6A CN108195645B (en) | 2017-12-28 | 2017-12-28 | Micro-surfacing paving device for rotary road surface accelerated loading rut test piece and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108195645A CN108195645A (en) | 2018-06-22 |
| CN108195645B true CN108195645B (en) | 2020-04-10 |
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| CN109100246B (en) * | 2018-07-06 | 2021-03-16 | 南京林业大学 | Pavement anti-reflection crack performance testing method and track plate test piece mold |
| CN110823657A (en) * | 2019-11-19 | 2020-02-21 | 长沙理工大学 | Molding device for DMA (direct memory Access) asphalt mortar test piece and using method |
| CN112725836A (en) * | 2020-12-18 | 2021-04-30 | 贵阳铝镁设计研究院有限公司 | Aluminum cell lining integral forming and strickling device |
| CN117233082A (en) * | 2023-11-13 | 2023-12-15 | 深圳市粤通建设工程有限公司 | Asphalt material paver test bed convenient to operate and experimental method |
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| CN2063537U (en) * | 1990-01-22 | 1990-10-10 | 辽宁省交通科学研究所 | Top-coat sealing machine for asphalt slurry |
| CN2825729Y (en) * | 2005-08-20 | 2006-10-11 | 西安筑路机械有限公司 | Surfacing box for filling rut |
| CN201024373Y (en) * | 2007-04-19 | 2008-02-20 | 郭忠武 | Highway slurry coated tracing rut spreader |
| CN101294366B (en) * | 2008-05-29 | 2010-06-30 | 三一重工股份有限公司 | Screw blade, feed divider having the screw blade and spreader thereof |
| CN101407398A (en) * | 2008-11-04 | 2009-04-15 | 刘廷国 | Deep layer micro surfacing functional layer of asphalt pavement and construction method thereof |
| CN102011362B (en) * | 2010-08-03 | 2012-01-04 | 鞍山森远路桥股份有限公司 | Hot in-place recycling ultrathin overlaying machine of bituminous pavement and construction method thereof |
| CN102162218B (en) * | 2011-04-17 | 2016-06-01 | 陕西长大实业有限公司 | With the roadbed building machine that rotary milling drum rolls |
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| CN105200899B (en) * | 2015-10-31 | 2017-10-13 | 山东高速建设材料有限公司 | Emulsified Asphalt material construction equipment |
| CN206052567U (en) * | 2016-08-31 | 2017-03-29 | 广东景龙建设集团有限公司 | A kind of composite filter membrane micro-surface area lying device |
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