CN113047136B

CN113047136B - Multifunctional environment-friendly semi-flexible asphalt pavement construction method

Info

Publication number: CN113047136B
Application number: CN202110406993.2A
Authority: CN
Inventors: 周思梅; 曾凡文; 曹文; 曾凡金; 邓超凤
Original assignee: Hunan Fatong Road & Bride Group Co ltd
Current assignee: Hunan Fatong Road & Bride Group Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-05-03
Anticipated expiration: 2041-04-15
Also published as: CN113047136A

Abstract

The application relates to a construction method of a multifunctional environment-friendly semi-flexible asphalt pavement, which comprises the steps of paving a porous matrix asphalt mixture on a compacted base layer; arranging dust-blocking cloth around the paved porous matrix asphalt mixture by using a dust-blocking device when the porous matrix asphalt mixture is paved; the dust-blocking cloth is stored through the filling device, and the cement-based water-retaining adhesive cement is sprayed on the porous matrix asphalt mixture through the filling device and is filled into the pores of the porous matrix asphalt mixture; and removing the redundant slurry on the pavement. After porous base member bituminous mixture laid and accomplished, set up the dirt cloth around porous base member bituminous mixture even using the dirt device, make external impurity be difficult for dropping in porous base member bituminous mixture's hole to when making the cement base of packing water retention mucilage, can improve the filling degree and the degree of consistency that the cement base water retention mucilage was filled. This application has the quality and the efficiency of construction of being convenient for improve semi-flexible bituminous paving.

Description

Multifunctional environment-friendly semi-flexible asphalt pavement construction method

Technical Field

The application relates to the field of pavement construction, in particular to a multifunctional environment-friendly semi-flexible asphalt pavement construction method.

Background

Most of the current roads are paved by asphalt, but the asphalt pavement also has many defects, such as short service life, easy rutting and the like. In order to reduce the maintenance cost of the highway, a semi-flexible asphalt pavement is created, has longer service life and is not easy to generate rutting, and becomes the best choice for replacing the asphalt pavement at present.

In the related technology, a patent with publication number CN101581066B discloses a water-retaining and cooling semi-flexible pavement and a construction method thereof, wherein the pavement is composed of a porous matrix asphalt mixture, the pores of the porous matrix asphalt mixture are filled with cement-based water-retaining mucilage, and then the pavement is maintained to form the semi-flexible asphalt pavement, so that the semi-flexible asphalt pavement has the advantages of high strength, good toughness and long service life.

In view of the above-mentioned related technologies, the inventor believes that after the porous base asphalt mixture is laid, the cement-based water-retaining cement is not immediately filled into the porous base asphalt mixture, and during this period, impurities easily fall into the porous base asphalt mixture pavement, which affects the subsequent filling effect of the cement-based water-retaining cement, thereby reducing the quality of the semi-flexible asphalt pavement.

Disclosure of Invention

In order to improve the quality of the semi-flexible asphalt pavement, the application provides a multifunctional environment-friendly semi-flexible asphalt pavement construction method.

The application provides a construction method of a multifunctional environment-friendly semi-flexible asphalt pavement, which adopts the following technical scheme:

a construction method of a multifunctional environment-friendly semi-flexible asphalt pavement comprises the following steps:

laying a porous matrix asphalt mixture on the compacted base layer;

arranging dust-blocking cloth around the paved porous matrix asphalt mixture by using a dust-blocking device when the porous matrix asphalt mixture is paved;

the dust-blocking cloth is stored through the filling device, and the cement-based water-retaining adhesive cement is sprayed on the porous matrix asphalt mixture through the filling device and is filled into the pores of the porous matrix asphalt mixture;

and removing the redundant slurry on the pavement.

Through adopting above-mentioned technical scheme, set up the dust cloth around the porous base member bituminous mixture of completion of laying, make porous base member bituminous mixture before filling cement base water retention mucilage, be difficult for dropping like debris in the hole, be convenient for guarantee the abundant packing of cement base water retention mucilage, help improving the quality of semi-flexible bituminous paving.

Optionally, the dust blocking device includes a fixed frame, two guide rails, a first base and a second base, and a plurality of moving wheels for rolling with the guide rails are arranged on both the first base and the second base;

a first insertion groove is formed in the upper end of the first base, a first installation rod is vertically inserted into the first insertion groove, and a first connecting seat is inserted into the upper end of the first installation rod;

a second insertion groove is formed in the upper end of the second base, a second mounting rod which is vertically arranged is inserted into the second insertion groove, and a second connecting seat is inserted into the upper end of the second mounting rod;

the first mounting rod and the second mounting rod are wound with the dust blocking cloth;

can dismantle between first connecting seat and the second connecting seat and be provided with the third installation pole, it has dust cloth to coil on the third installation pole.

Through adopting above-mentioned technical scheme, first installation pole and second installation pole are located the both sides of third installation pole respectively, and the third installation pole is located the centre of first installation pole and second installation pole upper end, are convenient for set up dust cloth and hide dirt cloth at three sides of porous base member bituminous mixture, reduce during the construction, and debris enter into the probability in the hole of porous base member bituminous mixture, guarantee the quality of semi-flexible bituminous paving.

Optionally, the step of arranging the dust-blocking cloth around the paved porous matrix asphalt mixture by using the dust-blocking device comprises:

arranging two guide rails in parallel according to a laying route of the porous matrix asphalt mixture, and reserving a space for laying the porous matrix asphalt mixture between the two guide rails;

fixing the free ends of the dust blocking cloth and the dust blocking cloth on the fixing frame;

the first base and the second base are driven to move along with the laying of the porous matrix asphalt mixture.

Through adopting above-mentioned technical scheme, the one end of keeping off dirt cloth and hiding dirt cloth is fixed back on the mount, removes first base or second base and can expand and keep off dirt cloth and hide dirt cloth, easy operation, and the lower extreme of first base and second base all is provided with the removal wheel, and convenient the removal is laborsaving in time saved, is convenient for in time shelter from the protection to the porous base member bituminous mixture of laying, improves the quality of semi-flexible bituminous paving.

Optionally, a plurality of through grooves are formed in the dust shielding cloth, and a breathable net connected with the dust shielding cloth is arranged in the through grooves.

Through adopting above-mentioned technical scheme, ventilative net has ventilative and the effect of keeping off dust, is convenient for on the one hand make during steam among the porous base member bituminous mixture distributes the air, and on the other hand is convenient for block in the space that external impurity enters into porous base member bituminous mixture.

Optionally, the filling device comprises a vehicle body, wheels and a walking driver for driving the wheels;

one end of the vehicle body is detachably connected with two first replacement rods for rolling dust-shielding cloth and a second replacement rod for rolling the dust-shielding cloth; the vehicle body is provided with a driver group for driving the first replacement rod and the second replacement rod to rotate;

the upper surface of the vehicle body is provided with a stirring barrel, and the discharge end of the stirring barrel extends to the lower part of the vehicle body;

one side of the stirring barrel, which is far away from the first replacement rod, is provided with a plurality of scraping rods connected with the lower surface of the vehicle body, and the vehicle body is provided with a rotating driver for driving the scraping rods to rotate.

Through adopting above-mentioned technical scheme, rotate the scraper bar rotation that the driver drove the correspondence, scrape the contact of the water mucilage of the cement base on rod and the porous base member bituminous mixture surface, drive the water mucilage of protecting of cement base and remove, be convenient for improve the degree of consistency of the water mucilage of the cement base that porous base member bituminous mixture filled, improve semi-flexible bituminous paving's quality. In addition, filling device can carry out the rolling to keeping off dirt cloth and dust cloth, need not the manual rolling of workman, is convenient for improve the efficiency of construction.

Optionally, a scraper is arranged on one side, away from the stirring barrel, of the scraping rod, and a linear driver for driving the scraper to do linear motion is arranged on the vehicle body.

Through adopting above-mentioned technical scheme, scrape the pole and be rotary motion, the scraper blade is linear motion, and cement base guarantor's mucilage that protects on the porous base member bituminous mixture is promoted the back repeatedly by scraping the pole, receives the promotion of scraper blade again, is convenient for improve the filling degree and the degree of consistency of cement base guarantor's mucilage that protects in the space of porous base member bituminous mixture to be convenient for improve semi-flexible bituminous paving's quality.

Optionally, a first partition plate and a second partition plate are arranged in the stirring barrel from top to bottom, and a first moving driver for driving the first partition plate to move and a second moving driver for driving the second partition plate to move are installed on the outer side wall of the stirring barrel;

be equipped with between first baffle and the second baffle and rotate the puddler that sets up with the agitator, install on the lateral wall of agitator and be used for driving puddler pivoted stirring driver.

Through adopting above-mentioned technical scheme, first baffle and second baffle are with the inside three region that falls into of agitator, and the region of first baffle top is used for the raw materials of splendid attire cement base water retention mucilage, is used for stirring the raw materials of cement base water retention mucilage between first baffle and the second baffle, and second baffle below is used for storing and discharging cement base water retention mucilage. So design is convenient for guarantee when filling cement base water retention mucilage, has sufficient cement base water retention mucilage on the porous base member bituminous mixture, and agitator exhaust cement base water retention mucilage is difficult because of the process time cutout, helps improving semi-flexible bituminous paving's quality and efficiency of construction.

Optionally, a material homogenizing plate located above the first partition plate is arranged below the feeding end of the stirring barrel, the material homogenizing plate is conical, and a plurality of material leaking holes are formed in the material homogenizing plate.

By adopting the technical scheme, after workers pour the raw materials of the cement-based water-retaining adhesive cement into the stirring barrel, the raw materials are in contact with the material homogenizing plate and flow onto the first partition plate along the surface of the material homogenizing plate, the material homogenizing plate is conical and is provided with a plurality of material leaking holes, so that various raw materials can be conveniently and uniformly spread on the first partition plate, the premixing effect is realized, and the manufacturing efficiency of the cement-based water-retaining adhesive cement is improved; and the mixing uniformity of the cement-based water-retaining mortar is improved, so that the quality of the cement-based water-retaining mortar is improved.

Optionally, a baffle plate connected with the stirring barrel is arranged below the second partition plate, and a plurality of discharge holes are formed in the baffle plate.

Through adopting above-mentioned technical scheme, the baffle has the effect of preserving the guarantor's water mucilage of cement base on the one hand, discharge opening on the other hand baffle has the effect that improves the coverage area that drops the guarantor's water mucilage of cement base on porous base member bituminous mixture, make the difficult appearance of the guarantor's water mucilage of cement base that flows out from the agitator concentrate the condition that drops in a certain side of porous base member bituminous mixture, be convenient for with the even hole of filling porous base member bituminous mixture of guarantor's water mucilage of cement base, improve semi-flexible bituminous paving's quality.

Optionally, the first mounting rod and the second mounting rod have the same size, the first replacement rod and the first mounting rod have the same size, and the second replacement rod and the third mounting rod have the same size.

Through adopting above-mentioned technical scheme, install the first replacement pole that has the fender dirt cloth with the rolling between first base and first connecting seat, install first installation pole on the automobile body, the use of the fender dirt cloth of next time of being convenient for hides the use mode of dirt cloth the same with fender dirt cloth, has made things convenient for the construction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the porous matrix asphalt mixture is laid, the dust blocking cloth is arranged around the porous matrix asphalt mixture by using the dust blocking device, so that external impurities are not easy to fall into pores of the porous matrix asphalt mixture, and the filling degree and uniformity of the cement-based water-retaining cement can be improved when the cement-based water-retaining cement is filled, and the quality of a semi-flexible asphalt pavement is improved;

2. the dust blocking cloth and the dust blocking cloth surround three sides of the porous matrix asphalt mixture, so that the probability that sundries fall into pores of the porous matrix asphalt mixture is reduced, and the quality of the semi-flexible asphalt pavement is improved.

Drawings

FIG. 1 is a flow chart of a construction method of a multifunctional environment-friendly semi-flexible asphalt pavement according to an embodiment of the present application;

FIG. 2 is a schematic diagram showing the related structures of a dust blocking device and a filling device in a construction method for a multifunctional environment-friendly semi-flexible asphalt pavement according to an embodiment of the present application;

FIG. 3 is an exploded view of a dust guard assembly in a construction method for a multi-functional environment-friendly semi-flexible asphalt pavement according to an embodiment of the present application;

FIG. 4 is a flow chart illustrating the operation of a dust guard in an embodiment of the present invention;

FIG. 5 is a schematic view showing the overall construction of a filling device in a construction method for a multi-functional environment-friendly semi-flexible asphalt pavement according to an embodiment of the present application;

FIG. 6 is a partial view of a filling device in a construction method for a multi-functional environment-friendly semi-flexible asphalt pavement according to an embodiment of the present application;

FIG. 7 is a sectional view of a mixing drum in a construction method for a multi-functional environment-friendly semi-flexible asphalt pavement according to an embodiment of the present application.

Description of reference numerals: 1. a dust blocking device; 11. a fixed mount; 12. a guide rail; 13. a first base; 131. a moving wheel; 132. a first insertion slot; 14. a second base; 141. a second insertion slot; 15. a first mounting bar; 151. dust cloth; 16. a first connecting seat; 17. a second mounting bar; 18. a second connecting seat; 19. a third mounting bar; 191. dust-shielding cloth; 192. a breathable net; 2. a filling device; 21. a vehicle body; 22. a wheel; 23. a travel driver; 24. a first replacement stem; 241. a support; 242. a support arm; 25. a second replacement stem; 26. a driver group; 27. a scraping rod; 271. a rotation driver; 28. a squeegee; 281. a linear actuator; 29. a support; 291. a moving groove; 3. a stirring barrel; 31. a first separator; 311. a first movement driver; 32. a second separator; 321. a second movement driver; 33. a stirring rod; 34. a stirring driver; 35. material homogenizing plates; 351. a material leaking hole; 36. a baffle plate; 361. and a discharge hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a construction method of a multifunctional environment-friendly semi-flexible asphalt pavement. Referring to fig. 1, the construction method of the multifunctional environment-friendly semi-flexible asphalt pavement includes:

s100, paving a porous basic asphalt mixture on the compacted base layer.

S200, when the porous matrix asphalt mixture is paved, the dust blocking device 1 is used for arranging dust blocking cloth 151 around the paved porous matrix asphalt mixture.

It will be appreciated that in order to reduce the entry of other impurities into the porous base asphalt mixture during construction, workers should immediately place dust cloth 151 around the porous base asphalt mixture after laying. The impurities referred to in this example include stones, sand, leaves, etc. other than the porous matrix asphalt mixture.

S300, the dust blocking cloth 151 is stored through the filling device 2, and meanwhile, the cement-based water-retaining adhesive cement is sprayed on the porous matrix asphalt mixture through the filling device 2 and is filled into the pores of the porous matrix asphalt mixture.

S400, removing redundant slurry on the road surface.

Specifically, in this embodiment, the excess slurry on the road surface is removed and recovered by manpower, and the slurry is the cement-based water-retaining cement.

S500, maintaining the pavement formed by the porous matrix asphalt mixture filled with the cement-based water retention adhesive cement.

Referring to fig. 2 and 3, the dust barrier 1 includes a fixed frame 11, a first base 13, a second base 14, and two guide rails 12. The movable channel has all been seted up to one side of two guide rails 12, and during the use, the upper end of guide rail 12 is arranged in to one side that is provided with the movable channel with guide rail 12. A plurality of moving wheels 131 for rolling with the guide rail 12 are rotatably disposed on the first base 13 and the second base 14, specifically, in this embodiment, four moving wheels 131 are disposed on the first base 13 and the second base 14, respectively. In another embodiment, three moving wheels 131 or two moving wheels 131 may be respectively disposed on the first base 13 and the second base 14. When the dust barrier 1 is used, the moving wheel 131 is inserted into the moving channel of the corresponding guide rail 12, and the moving channel restricts the moving direction of the moving wheel 131, so that the first base 13 and the second base 14 can move only in the length direction of the corresponding guide rail 12.

Referring to fig. 3, a first insertion groove 132 is formed in an upper end of the first base 13, that is, an end surface of the first base 13 away from the moving wheel 131 connected thereto, a first mounting rod 15 vertically disposed is inserted into the first insertion groove 132, and a first connecting seat 16 is inserted into an upper end of the first mounting rod 15.

A second insertion groove 141 is formed in the upper end of the second base 14, that is, the end surface of the second base 14, which is far away from the moving wheel 131 connected to the second base, a second mounting rod 17 which is vertically arranged is inserted into the second insertion groove 141, and a second connecting seat 18 is inserted into the upper end of the second mounting rod 17. In order to facilitate the use of the dust barrier 1 during construction, the first mounting rod 15 and the second mounting rod 17 are equally sized, i.e., the radius of the first mounting rod 15 is equal to the radius of the second mounting rod 17, and the axial length of the first mounting rod 15 is equal to the axial length of the second mounting rod 17. In the present embodiment, the first chassis 13 and the second chassis 14 are also provided in the same size.

Referring to fig. 3, dust cloth 151 is wound around each of the first and second mounting

rods

15 and 17, and the dust cloth 151 may be made of cloth or plastic to block impurities such as sand and leaves. A third mounting rod 19 is detachably arranged between the first connecting seat 16 and the second connecting seat 18, and the third mounting rod 19 is specifically inserted into the first connecting seat 16 and the second connecting seat 18. The third mounting rod 19 is horizontally disposed, and a dust-proof cloth 191 is wound around the third mounting rod 19. The dust-proof cloth 191 is provided with a plurality of through grooves, and the through grooves are internally provided with a breathable net 192 connected with the dust-proof cloth 191.

Referring to fig. 3, the fixing frame 11 is U-shaped as a whole, and when in use, two ends of the fixing frame 11 are inserted into soil, or two ends of the fixing frame 11 are welded to the two guide rails 12, so that the free ends of two dust blocking cloths 151 and one dust blocking cloth 191 are fixed on the fixing frame 11.

Referring to fig. 4, the step of disposing a dust-blocking cloth 151 around the laid porous base asphalt mixture using the dust-blocking device 1 includes:

s210, arranging the two guide rails 12 in parallel according to a laying route of the porous matrix asphalt mixture, and reserving a space for laying the porous matrix asphalt mixture between the two guide rails 12.

When the guide rail 12 is provided, the longitudinal direction of the guide rail 12 is parallel to the direction in which the porous base asphalt mixture is laid.

S220, fixing the free ends of the dust blocking cloth 151 and the dust blocking cloth 191 on the fixing frame 11.

The worker may fix the free ends of the dust cloth 151 and the dust cloth 191 using clips, or may fix the free ends of the dust cloth 151 and the dust cloth 191 on the fixing frame 11 using glue. Since the fixing frame 11 is U-shaped as a whole, the two dust-proof cloths 151 are fixed to two sides of the fixing frame 11 in a vertical state, and the dust-proof cloth 191 is fixed to one side of the fixing frame 11 in a horizontal state.

And S230, driving the first base 13 and the second base 14 to move along with the laying of the porous matrix asphalt mixture.

Referring to fig. 3 and 4, it can be easily understood that the moving direction of the first and second bases 13 and 14 is along the laying direction of the porous matrix asphalt mixture. The first base 13 and/or the second base 14 may be manually pushed by a person, or may be driven by a moving device such as a moving cart. Since the first base 13 and the second base 14 move and the free ends of the dust cloth 151 and the dust cloth 191 are fixed on the fixing frame 11, the dust cloth 151 wound around the first mounting rod 15 and the second mounting rod 17 starts to rotate and gradually unroll along with the movement of the first base 13 and the second base 14; similarly, the dust cloth 191 on the third mounting rod 19 starts to rotate and gradually spreads. The protection of the porous matrix asphalt mixture is realized.

Referring to fig. 5, the filling device 2 includes a vehicle body 21, wheels 22, and a travel drive 23 for driving the wheels 22 to rotate. When the travel actuator 23 is activated, the wheels 22 rotate to move the vehicle body 21. In the present embodiment, the travel driver 23 employs a rotary motor.

Referring to fig. 3 and 5, two first replacement bars 24 for winding the dust cloth 151 and a second replacement bar 25 for winding the dust cloth 191 are detachably coupled to one end of the vehicle body 21. Wherein the first replacement bar 24 has the same size as the first mounting bar 15; the second replacement bar 25 has the same size as the third mounting bar 19.

Referring to fig. 6, a bracket 29 is welded to the vehicle body 21, and the two first replacement rods 24 are inserted into the vehicle body 21 and are vertically arranged. The upper end of each first replacement rod 24 is inserted with a support 241. A horizontally arranged support arm 242 is welded on the side surface of the support 241 close to the support 29, and a moving groove 291 for accommodating the support arm 242 is formed on the support 29. The cross sections of the moving grooves 291 are all in a 7 shape; the second replacement rod 25 is inserted between the two supports 241 and horizontally arranged, and the 7-shaped moving groove 291 facilitates the detachment of the first replacement rod 24 and the second replacement rod 25. The vehicle body 21 is provided with a driver group 26 for driving the first replacement rod 24 and the second replacement rod 25 to rotate, specifically, the driver group 26 includes three motors, and the three motors are respectively used for driving the two first replacement rods 24 and the second replacement rod 25 to rotate through the conveyor belt.

Referring to fig. 5, the blending barrel 3 is mounted on the upper surface of the vehicle body 21, specifically, the blending barrel 3 is located on one side of the bracket 29 away from the first replacement rod 24, and both the bracket 29 and the blending barrel 3 are located on one side of the first replacement rod 24 close to the center of the vehicle body 21. The discharge end of the mixing tank 3 extends to the lower part of the vehicle body 21. One side of the mixing drum 3 away from the first replacing rod 24 is provided with a plurality of scraping rods 27 rotatably connected with the lower surface of the car body 21, and the car body 21 is provided with a rotating driver 271 for driving the scraping rods 27 to rotate, wherein in this embodiment, the rotating driver 271 is a rotating motor. When the cement-based water retention adhesive cement is required to be filled into the pores of the paved porous matrix asphalt mixture, the rotating driver 271 is started, the rotating driver 271 drives the corresponding connected scraping rod 27 to rotate, so that the scraping rod 27 rotates in a reciprocating mode within a certain angle, and the cement-based water retention adhesive cement on the paved porous matrix asphalt mixture is scraped.

Referring to fig. 5, a scraper 28 is disposed on a side of the scraper bar 27 away from the mixing tank 3, a linear driver 281 for driving the scraper 28 to move linearly is mounted on the vehicle body 21, and the linear driver 281 may be an electric cylinder, an air cylinder, or a linear motor. The squeegee 28 is connected to the output end of the linear actuator 281, and when the linear actuator 281 is activated, the squeegee 28 moves linearly along a horizontal plane. In the present embodiment, the scraper 28 is reciprocated in the traveling direction of the vehicle body 21 in order to sufficiently and uniformly fill the cement-based water-retaining cement into the pores of the porous base asphalt mixture.

Referring to fig. 7, the mixing tank 3 is provided with two first partition plates 31 and two second partition plates 32 from top to bottom, the two second partition plates 32 are located at the same height, and the two second partition plates 32 are located at the same height. A first moving driver 311 for driving the first partition plate 31 to move along the horizontal direction is installed on the outer side wall of the stirring barrel 3, and a second moving driver 321 for driving the second partition plate 32 to move along the horizontal direction is also installed on the outer side wall of the stirring barrel 3. The first and second moving

drivers

311 and 321 may be air cylinders or electric cylinders.

First baffle 31 and second baffle 32 become the interior three region from last to down of agitator 3, are used for prestoring the raw materials of cement base guarantor's water mucilage above the first baffle 31, are used for stirring the raw materials of cement base guarantor's water mucilage between first baffle 31 and the second baffle 32, and the region below the second baffle 32 is used for depositing the cement base guarantor's water mucilage that the stirring was accomplished.

Referring to fig. 7, a stirring rod 33 rotatably disposed with the stirring barrel 3 is disposed between the first partition plate 31 and the second partition plate 32, and a stirring driver 34 for driving the stirring rod 33 to rotate is mounted on an outer side wall of the stirring barrel 3. It is understood that, in order to facilitate the movement of the first partition plate 31 and the second partition plate 32 and the rotation of the stirring rod 33, the outer side wall of the stirring barrel 3 is provided with a corresponding evading groove and an evading hole.

Referring to fig. 7, a material homogenizing plate 35 located above the first partition plate 31 is arranged below the feeding end of the stirring barrel 3, and the material homogenizing plate 35 is connected with the inner wall of the stirring barrel 3 through a connecting rod. The material equalizing plate 35 is conical, that is, the cross section of the material equalizing plate 35 is inverted V-shaped. Seted up a plurality of hourglass material hole 351 on the homocline board 35, with the raw materials pouring of cement base water retention mucilage to agitator 3 inside back, the raw materials contacts with homocline board 35, flows on first baffle 31 along the surface of homocline board 35. Because the homocline board 35 is the circular cone type, consequently be convenient for the raw materials distribute and drop on first baffle 31, and be difficult for piling up in certain position of first baffle 31 to uniformity and stirring efficiency when being convenient for improve the raw materials stirring.

Referring to fig. 7, a plurality of baffle plates 36 connected to the mixing tank 3 are disposed below the second partition plate 32, and the baffle plates 36 are disposed around the discharge end of the mixing tank 3. The baffle 36 is provided with a plurality of discharge holes 361, and the discharge holes 361 are uniformly arranged on the corresponding baffle 36.

The implementation principle of the construction method of the multifunctional environment-friendly semi-flexible asphalt pavement in the embodiment of the application is as follows: the porous base asphalt mixture is paved along a preset paving route, a worker moves the first base 13 and/or the second base 14 along with the paving progress of the porous base asphalt mixture, and the dust blocking cloth 151 and the dust shielding cloth 191 are unfolded, so that the dust blocking cloth 151 and the dust shielding cloth 191 protect three sides of the paved porous base asphalt mixture.

When cement-based water-retaining cement paste needs to be filled into the pores of the porous matrix asphalt mixture which is completely laid, a worker drives the filling device 2 to the starting end of the porous matrix asphalt mixture, then fixes the free end of the dust cloth 151 fixed on the fixing frame 11 on the first replacement rod 24, and fixes the free end of the dust cloth 191 fixed on the fixing frame 11 on the second replacement rod 25. The worker pours the raw material of the cement-based water-retaining cement into the stirring barrel 3, and drives the vehicle body 21 to move along the laying direction of the porous matrix asphalt mixture after the cement-based water-retaining cement is stirred. The cement-based water retention adhesive cement in the stirring barrel 3 falls on the porous matrix asphalt mixture, and the scraping rod 27 and the scraping plate 28 drive the cement-based water retention adhesive cement to move, so that the cement-based water retention adhesive cement is filled into the pores of the porous matrix asphalt mixture.

When the volume of remaining cement base guarantor mucilage that protects in agitator 3 is not enough, the workman emptys the raw materials of cement base guarantor mucilage that protects on first baffle 31, then remove first baffle 31, stir the raw materials through puddler 33, and make the cement base guarantor mucilage that the stirring was accomplished temporarily in the region between first baffle 31 and second baffle 32, supply the cement base guarantor mucilage that protects in the region below second baffle 32 in real time, guarantee to have sufficient cement base guarantor mucilage that protects and drop on the porous base member bituminous mixture who lays the completion, guarantee the quality of semi-flexible bituminous paving.

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

1. A construction method of a multifunctional environment-friendly semi-flexible asphalt pavement is characterized by comprising the following steps:

laying a porous matrix asphalt mixture on the compacted base layer;

when a porous matrix asphalt mixture is paved, a dust blocking device (1) is used for arranging dust blocking cloth (151) around the paved porous matrix asphalt mixture;

the dust-blocking cloth (151) is stored through the filling device (2), and the cement-based water-retaining adhesive cement is sprayed on the porous matrix asphalt mixture through the filling device (2) and is filled into the pores of the porous matrix asphalt mixture;

removing redundant slurry on the pavement; the dust blocking device (1) comprises a fixed frame (11), two guide rails (12), a first base (13) and a second base (14), wherein a plurality of moving wheels (131) which are used for rolling with the guide rails (12) are arranged on the first base (13) and the second base (14);

a first insertion groove (132) is formed in the upper end of the first base (13), a first installation rod (15) which is vertically arranged is inserted into the first insertion groove (132), and a first connecting seat (16) is inserted into the upper end of the first installation rod (15);

a second insertion groove (141) is formed in the upper end of the second base (14), a second mounting rod (17) which is vertically arranged is inserted into the second insertion groove (141), and a second connecting seat (18) is inserted into the upper end of the second mounting rod (17);

the first mounting rod (15) and the second mounting rod (17) are wound with the dust blocking cloth (151);

a third mounting rod (19) is detachably arranged between the first connecting seat (16) and the second connecting seat (18), and dust shielding cloth (191) is wound on the third mounting rod (19); the step of arranging dust-blocking cloth (151) around the paved porous matrix asphalt mixture by using the dust-blocking device (1) comprises the following steps:

arranging two guide rails (12) in parallel according to a laying route of the porous matrix asphalt mixture, and reserving a space for laying the porous matrix asphalt mixture between the two guide rails (12);

fixing the free ends of the dust blocking cloth (151) and the dust blocking cloth (191) on the fixing frame (11);

the first base (13) and the second base (14) are driven to move along with the laying of the porous matrix asphalt mixture; the filling device (2) comprises a vehicle body (21), wheels (22) and a traveling driver (23) for driving the wheels (22);

one end of the vehicle body (21) is detachably connected with two first replacement rods (24) for rolling dust-blocking cloth (151) and a second replacement rod (25) for rolling dust-blocking cloth (191); a driver group (26) for driving the first replacement rod (24) and the second replacement rod (25) to rotate is arranged on the vehicle body (21);

the upper surface of the vehicle body (21) is provided with a stirring barrel (3), and the discharge end of the stirring barrel (3) extends to the lower part of the vehicle body (21);

one side of agitator (3) keeping away from first replacement pole (24) is equipped with a plurality of and scrapes pole (27) of being connected with automobile body (21) lower surface, be equipped with on automobile body (21) and be used for driving and scrape pole (27) pivoted rotation driver (271).

2. The construction method of the multifunctional environment-friendly semi-flexible asphalt pavement according to claim 1, characterized in that: a plurality of through grooves are formed in the dust shielding cloth (191), and a breathable net (192) connected with the dust shielding cloth (191) is arranged in each through groove.

3. The construction method of the multifunctional environment-friendly semi-flexible asphalt pavement according to claim 1, characterized in that: one side of the scraping rod (27) far away from the stirring barrel (3) is provided with a scraping plate (28), and a linear driver (281) used for driving the scraping plate (28) to do linear motion is arranged on the vehicle body (21).

4. The construction method of the multifunctional environment-friendly semi-flexible asphalt pavement according to claim 1, characterized in that: a first partition plate (31) and a second partition plate (32) are arranged in the stirring barrel (3) from top to bottom, and a first moving driver (311) for driving the first partition plate (31) to move and a second moving driver (321) for driving the second partition plate (32) to move are installed on the outer side wall of the stirring barrel (3);

be equipped with between first baffle (31) and second baffle (32) and rotate puddler (33) that set up with agitator (3), install on the lateral wall of agitator (3) and be used for driving puddler (33) pivoted stirring driver (34).

5. The construction method of the multifunctional environment-friendly semi-flexible asphalt pavement according to claim 4, characterized in that: the material homogenizing plate (35) located above the first partition plate (31) is arranged below the feeding end of the stirring barrel (3), the material homogenizing plate (35) is conical, and a plurality of material leaking holes (351) are formed in the material homogenizing plate (35).

6. The construction method of the multifunctional environment-friendly semi-flexible asphalt pavement according to claim 5, characterized in that: a baffle (36) connected with the stirring barrel (3) is arranged below the second partition plate (32), and a plurality of discharge holes (361) are formed in the baffle (36).

7. The construction method of the multifunctional environment-friendly semi-flexible asphalt pavement according to claim 1, characterized in that: the first mounting rod (15) and the second mounting rod (17) are the same in size, the first replacement rod (24) is the same in size as the first mounting rod (15), and the second replacement rod (25) is the same in size as the third mounting rod (19).