CN108221532B - Colored asphalt pavement and construction method thereof - Google Patents
Colored asphalt pavement and construction method thereof Download PDFInfo
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- CN108221532B CN108221532B CN201810006016.1A CN201810006016A CN108221532B CN 108221532 B CN108221532 B CN 108221532B CN 201810006016 A CN201810006016 A CN 201810006016A CN 108221532 B CN108221532 B CN 108221532B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 155
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 173
- 230000000087 stabilizing effect Effects 0.000 claims description 59
- 239000011499 joint compound Substances 0.000 claims description 19
- 230000007935 neutral effect Effects 0.000 claims description 17
- 239000011384 asphalt concrete Substances 0.000 claims description 16
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 15
- 230000008093 supporting effect Effects 0.000 claims description 10
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 15
- 239000012790 adhesive layer Substances 0.000 claims 2
- 230000001976 improved effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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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
- E01C5/00—Pavings made of prefabricated single units
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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
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
Abstract
The invention discloses a colored asphalt pavement and a construction method thereof, which reduce the construction time of the colored asphalt pavement and improve the construction efficiency of the colored asphalt pavement. Its technical scheme main points are, a colored bituminous paving, include a plurality of prefabricated road surface units and set up the seam unit between adjacent prefabricated road surface unit, prefabricated road surface unit includes cement stable piece and lays the pitch basic block of cement stable piece upper surface, cement stable piece upper surface has the overlap joint terminal surface in the border department of being close to adjacent cement stable piece, the seam unit is including filling the seam cement piece between adjacent cement stable piece and filling the seam pitch piece between adjacent pitch basic block and overlap joint terminal surface of adjacent cement stable piece, colored bituminous paving's upper surface has still laid colored pitch layer.
Description
Technical Field
The invention relates to the field of municipal road construction, in particular to a colored asphalt pavement and a construction method thereof.
Background
With the progress of society and the improvement of the aesthetic requirements of people on municipal roads, colored asphalt pavements are widely applied to the construction of municipal roads. The colored asphalt pavement surface is formed by laying colored asphalt, has bright colors, is matched with the traditional black asphalt pavement/cement pavement, and has the functions of dividing traffic intervals, improving brightness, warning vehicles and beautifying road environment.
However, the construction period of the color asphalt road in the prior art is long, and usually, after the cement stabilizing layer is maintained, an asphalt base layer is laid on the cement stabilizing layer, and after the asphalt base layer is maintained stably, a color asphalt layer is laid.
Disclosure of Invention
The invention aims to provide a colored asphalt pavement with a short construction period.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a colored bituminous paving, includes a plurality of prefabricated road surface units and sets up the seam unit between adjacent prefabricated road surface unit, prefabricated road surface unit includes cement stable piece and lays the pitch base piece in cement stable piece upper surface, cement stable piece upper surface has the overlap joint terminal surface in the border department that is close to adjacent cement stable piece, the seam unit is including filling the seam cement piece between adjacent cement stable piece and filling the seam pitch piece between adjacent pitch base piece and overlap joint in the overlap joint terminal surface of adjacent cement stable piece, colored bituminous paving's upper surface has still laid colored pitch layer.
Through adopting above-mentioned technical scheme, above-mentioned colored bituminous paving's simple structure carries out the preparation of prefabricated road surface unit earlier, carries out assembling and connecting of prefabricated road surface unit again, and this kind of modular structure is favorable to promoting colored bituminous paving's laying efficiency, reduces the engineering time, reduces the influence that bad weather was laid to colored bituminous paving. Meanwhile, the prefabricated pavement unit comprises the cement stabilizing block and the asphalt base block, and the asphalt base block cannot be prefabricated and transferred independently due to the fact that the asphalt base block is not high in hardness, so that the transfer and the transportation of the asphalt base block are facilitated through the combination of the cement stabilizing block and the asphalt base block.
The joint units between the prefabricated pavement units comprise joint cement blocks and joint asphalt blocks, and the joint strength of the adjacent prefabricated pavement units is improved and the integrity of the whole colored asphalt pavement is improved through the bonding between cement and the bonding between asphalt and asphalt.
As a further improvement of the invention, the joint asphalt block is provided with an asphalt bump extending between two adjacent cement stabilizing blocks, and the upper surface of the joint asphalt block is also provided with a buffer groove along the width direction of the colored asphalt pavement.
Through adopting above-mentioned technical scheme, the bulk strength on road surface can be promoted to above-mentioned structure, and under the condition of road surface atress, deformation may take place for adjacent prefabricated road surface unit because pitch has certain compliance, and the setting of pitch lug and buffering slot can provide deformation space, extension colored bituminous paving's life for this kind of deformation.
As a further improvement of the invention, one side of the asphalt base block, which faces to the adjacent asphalt base block, is provided with a lapping inclined plane, and the lapping inclined plane is provided with a plurality of lapping grooves along the width direction of the colored asphalt pavement.
Through adopting above-mentioned technical scheme, the joint strength between pitch base piece and the seam pitch piece has all been strengthened in the setting of overlap joint inclined plane and overlap joint groove, promotes the wholeness and the structural strength of whole colored bituminous paving, is favorable to prolonging the life of whole colored bituminous paving.
As a further improvement of the invention, the cement stabilizing blocks are pre-embedded with reinforcing steel nets extending into the joint cement blocks, and the outer side edges of two reinforcing steel nets extending to the same joint cement block in the adjacent cement stabilizing blocks are attached and welded and fixed.
Through adopting above-mentioned technical scheme, strengthen the steel mesh and extend to the seam cement piece in, can strengthen the structural strength of seam cement piece, promote the joint strength between seam cement piece and the cement steady piece. The reinforcing steel mesh between the adjacent cement stabilizing blocks is fixed by welding, so that the connection strength of the adjacent prefabricated pavement units is enhanced, the structural strength of the whole colored asphalt pavement is further improved, and the service life of the colored asphalt pavement is prolonged.
As a further improvement of the invention, the asphalt base block is provided with a hoisting through hole penetrating through the upper surface and the lower surface of the asphalt base block, the cement stabilizing block is pre-embedded with a hoisting stud at the hoisting through hole, and the hoisting stud is detachably provided with a hoisting ring.
Through adopting above-mentioned technical scheme, the transportation and the installation of whole prefabricated road surface unit can be made things convenient for in the setting of hoist and mount through-hole, hoisting stud and rings, when prefabricated road surface unit is installed and is laid, can adopt the loop wheel machine to hoist prefabricated road surface unit through rings.
As a further improvement of the invention, the bottom of the hoisting through hole of the colored asphalt pavement is also provided with an isolation mesh, and neutral asphalt concrete is filled in the hoisting through hole.
By adopting the technical scheme, the arrangement of the isolation net sheets can enhance the structural strength of the neutral asphalt concrete in the hoisting through holes.
As a further improvement of the invention, the colored asphalt pavement is further provided with a cement stable base layer and a cement bonding layer which is laid on the upper surface of the cement stable base layer and is used for bonding cement stable blocks at the lower ends of the prefabricated pavement units, and the cement bonding layer is internally provided with an elastic supporting block which is supported on the cement stable base layer and is abutted against the lower surfaces of the cement stable blocks.
Through adopting above-mentioned technical scheme, at first setting up of cement bond line can increase colored bituminous paving's wholeness, strengthens the joint strength of cement stabilized base course and prefabricated road surface unit. Meanwhile, the elastic supporting blocks can support the prefabricated pavement units, the supporting capacity of the cement bonding layer on the prefabricated pavement units is improved, and the prefabricated pavement units can keep a better levelness.
The invention also aims to provide a construction method of the colored asphalt pavement, which is convenient to construct and has shorter construction period.
The construction method of the colored asphalt pavement is characterized by comprising the following steps: s100, excavating a foundation pit by using excavating equipment; s200, paving a cement stabilization base layer; s300, manufacturing a prefabricated pavement unit: s310, paving a layer of cement concrete in a specific mould to form a cuboid-shaped cement stabilizing block, and embedding a plurality of hoisting studs on the upper surface of the cement stabilizing block; s320, after the cement stabilizing block is solidified and stabilized, installing an asphalt base block mold on the upper surface of the cement stabilizing block, and installing a hollow protective pipe on the upper surface of the cement stabilizing block, which is provided with a hoisting stud; s330, laying a neutral asphalt concrete layer in a mold of the asphalt base block to form the asphalt base block; s340, after the asphalt base block is solidified and stabilized, dismantling the asphalt base block mold and the protective pipe; s400, mounting a prefabricated pavement unit at the upper end of the cement stabilized base layer: s410, installing a hanging ring on a hoisting stud of the cement stabilizing block; s420, fixing a plurality of elastic supporting blocks on the upper surface of the cement stable base layer, and paving a cement bonding layer on the upper surface of the cement stable base layer; s430, before the cement bonding layer is not solidified, installing the prefabricated pavement unit on the upper surface of the cement bonding layer by using a crane for bonding; s440, after the cement stabilizing block and the cement bonding layer are bonded, removing a hanging ring on the hoisting stud, and installing an isolation mesh in the hoisting through hole; s450, continuously installing the rest prefabricated pavement units; s500, filling cement between the adjacent cement stabilizing blocks to form joint cement blocks, wherein the thickness of each joint cement block is smaller than that of each cement stabilizing block; s600, continuously filling neutral asphalt concrete on the upper surface of the joint cement block to form a joint asphalt block, wherein the upper surface of the joint asphalt block and the upper surface of the asphalt base block are positioned on the same horizontal plane, and meanwhile, filling the neutral asphalt concrete in the hoisting through hole until the neutral asphalt concrete is flush with the upper surface of the asphalt base block; s700, paving a color asphalt layer on the upper surface of the color asphalt pavement.
As a further improvement of the present invention, the step S310 further includes the following steps: reinforcing steel meshes are embedded in the front side and the rear side of the cement stabilizing block; the following steps are also included between S450 and S500: and S460, welding and fixing the reinforcing steel meshes of the adjacent cement stabilizing blocks.
In conclusion, the invention has the following beneficial effects:
1. the invention discloses a colored asphalt pavement and a paving method thereof.A prefabricated pavement unit is manufactured in advance, then the prefabricated pavement unit is paved at the upper end of a cement stable base layer, a seam unit is adopted to connect adjacent prefabricated pavement units, and finally a colored asphalt layer is paved;
2. above-mentioned colored bituminous paving has made things convenient for the hoist and mount of prefabricated road surface unit through being provided with hoisting through hole, hoisting stud and rings, is favorable to the transportation of prefabricated road surface unit.
Drawings
FIG. 1 is a schematic structural view of a colored asphalt pavement of the present invention;
FIG. 2 is an exploded view of the colored asphalt pavement of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an exploded view of the prefabricated pavement unit engaged with a lifting ring;
FIG. 6 is an exploded view of the cement stabilization block mold;
fig. 7 is an exploded view of the asphalt-based block mold.
In the figure: 100. a cement stabilization base layer; 110. a cement bond coat; 120. an elastic support block; 200. prefabricating a pavement unit; 210. a cement stabilizing block; 211. a lap joint end face; 212. hoisting the stud; 213. a hoisting ring; 214. reinforcing a steel mesh; 220. an asphalt base block; 221. lapping the inclined planes; 222. a lap joint groove; 223. hoisting the through hole; 224. an insulating mesh sheet; 300. a seaming unit; 310. a joint cement block; 320. a joint asphalt block; 321. an asphalt bump; 322. a buffer trench; 400. a colored asphalt layer; 500. stabilizing the cement block mold; 510. a cement front side plate; 520. a cement rear side plate; 530. a left cement plate; 540. a cement right side plate; 550. mounting grooves; 561. an upper side plate; 562. a lower side plate; 570. positioning a groove; 600. an asphalt base block mold; 610. an asphalt front side plate; 620. an asphalt rear side plate; 630. a left asphalt side plate; 640. a right asphalt side plate; 650. and (5) installing a chute.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, a color asphalt pavement mainly includes a cement stabilized base layer 100, prefabricated pavement units 200 installed at the upper end of the cement stabilized base layer 100 and spliced with each other, joint units 300 disposed between adjacent prefabricated pavement units 200, and a color asphalt layer 400 laid on the upper surface of the color asphalt pavement.
Referring to fig. 1 and 2, the cement stabilized base layer 100 has a thickness of 0.15m to 0.30 m. And a cement bonding layer 110 with the thickness of 1.5-3 cm is laid between the cement stable base layer 100 and the prefabricated pavement unit 200. The cement bonding layer 110 is provided with elastic supporting blocks 120 which are supported on the cement stabilized base layer 100 and abut against the bottom of the prefabricated pavement unit 200, the elastic supporting blocks 120 are uniformly arranged on the upper surface of the cement stabilized base layer 100, and the distance between every two adjacent elastic supporting blocks 120 is not more than 0.2 m.
Referring to fig. 2 and 3, the prefabricated pavement unit 200 mainly includes a cement block 210 and an asphalt base block 220 laid on an upper surface of the cement block 210, and the upper surface of the cement block 210 has a lap joint end surface 211 near edges of adjacent cement blocks 210. In the present embodiment, the width of the precast pavement unit 200 is equal to that of the colored asphalt pavement, so that the precast pavement unit 200 is spliced in the length direction of the colored asphalt pavement, the length of the precast pavement unit 200 is not more than 2.5m, the thickness of the cement stabilization block 210 is 25cm, the thickness of the asphalt base block 220 is 10cm, and the width of the overlap end surface 211 is 10 cm.
The asphalt base block 220 is further provided with a lapping inclined plane 221 towards one side of the adjacent asphalt base block 220, and a plurality of lapping grooves 222 are further uniformly arranged on the lapping inclined plane 221 along the width direction of the colored asphalt pavement. Wherein, the included angle between the lapping inclined plane 221 and the horizontal plane is between 30 degrees and 60 degrees. In this embodiment, the angle between the overlap ramp 221 and the horizontal plane is 45 °.
Referring to fig. 5, the asphalt base block 220 is provided with a hoisting through hole 223 penetrating through the upper surface and the lower surface of the asphalt base block 220, a hoisting stud 212 is embedded in the cement stabilizing block 210 at the hoisting through hole 223, and a hoisting ring 213 is detachably arranged on the hoisting stud 212. When the prefabricated pavement unit 200 is transported, the hoisting rings 213 are mounted on the hoisting studs 212, and then the prefabricated pavement unit 200 is hoisted by the hoisting rings 213 using a crane. In this embodiment, the prefabricated pavement unit 200 is provided with a hoisting through hole 223 at each of four corners of the upper surface, and the cement stabilizing block 210 is embedded with a hoisting stud 212 at each of the hoisting through holes 223.
Referring to fig. 2, after the suspension ring 213 is removed, the isolation mesh 224 is disposed at the bottom of the hoisting through hole 223 of the colored asphalt pavement, and the hoisting through hole 223 is filled with neutral asphalt concrete.
Referring to fig. 2, 3 and 4, the joint unit 300 includes joint cement blocks 310 filled between the adjacent cement stabilization blocks 210 and joint asphalt blocks 320 filled between the adjacent asphalt base blocks 220 and overlapped on the overlapping end faces 211 of the adjacent cement stabilization blocks 210. Wherein, when filling the joint asphalt block 320, the joint asphalt block 320 fills the lap groove 222.
The joint asphalt block 320 has an asphalt bump 321 extending between two adjacent cement stabilization blocks 210, and the upper surface of the joint asphalt block 320 is further provided with a buffer groove 322 along the width direction of the colored asphalt pavement.
The cement stabilizing blocks 210 of the prefabricated cement units are embedded with reinforcing steel nets 214 extending into the joint cement blocks 310, and the outer side edges of two reinforcing steel nets 214 extending to the same joint cement block 310 in the adjacent cement stabilizing blocks 210 are attached and fixed through welding.
Example 2:
a construction method of a colored asphalt pavement is mainly used for laying the colored asphalt pavement in the embodiment 1, and mainly comprises the following steps:
s100, excavating a foundation pit by using excavating equipment;
s200, paving a cement stabilized base layer 100, wherein the thickness of the cement stabilized base layer 100 is between 0.15m and 0.30 m;
s300, manufacturing the prefabricated pavement unit 200:
s310, paving a layer of cement concrete in the cement stabilizing block mold to form a cuboid-shaped cement stabilizing block 210, embedding a hoisting stud 212 at each of four corners of the upper surface of the cement stabilizing block 210, and embedding a reinforcing steel net 214 at the side surface of the cement stabilizing block 210, which is used for being lapped with the adjacent cement stabilizing block 210, wherein the overall dimension of the cement stabilizing block 210 is 2m 1.5m 0.25m (length, width and thickness);
s320, after the cement stabilizing block 210 is solidified and stabilized, installing an asphalt base block mold on the upper surface of the cement stabilizing block 210, and installing a hollow protective pipe on the upper surface of a hoisting stud 212 arranged in the cement stabilizing block 210;
s330, paving a neutral asphalt concrete layer in an asphalt base block mold to form an asphalt base block 220, wherein the asphalt base block 220 is in a prismoid shape, the side surface of the asphalt base block 220 facing the adjacent asphalt base block 220 is an overlap inclined surface 221, the included angle between the overlap inclined surface 221 and the horizontal plane is 45 degrees, the size of the bottom of the asphalt base block 220 is 1.8m 1.5m (length and width), namely two overlap end surfaces 211 with the width of 0.1m are formed on the upper surface of the cement stabilizing block 210, and the thickness of the asphalt base block 220 is 10 cm;
s340, after the asphalt base block 220 is solidified and stabilized, removing the asphalt base block mold and the protective pipe, and transporting the prefabricated pavement unit 200 to the vicinity of a foundation pit by using a tool, wherein S300 can be independently carried out without influencing the overall construction period of the colored asphalt pavement;
s400, mounting the prefabricated pavement unit 200 at the upper end of the cement stabilized base layer 100:
s410, installing a hanging ring 213 on a hoisting stud 212 of the cement stabilizing block 210;
s420, fixing a plurality of elastic supporting blocks 120 on the upper surface of the cement stabilized base layer 100, and paving a layer of cement bonding layer 110 on the upper surface of the cement stabilized base layer 100, wherein the thickness of the cement bonding layer 110 is 3 cm;
s430, before the cement bonding layer 110 is not solidified, installing the prefabricated pavement unit 200 on the upper surface of the cement bonding layer 110 by using a crane for bonding, wherein the elastic supporting block 120 supports the bottom surface of the cement stabilizing block 210 and assists the cement stabilizing block 210 to be kept horizontal;
s440, after the cement stabilizing block 210 and the cement bonding layer 110 are bonded, removing the hoisting rings 213 on the hoisting studs 212, and installing the isolation meshes 224 in the hoisting through holes 223;
s450, continuously installing the rest prefabricated pavement units 200;
s460, welding and fixing the reinforcing steel nets 214 of the adjacent cement stabilizing blocks 210;
s500, filling cement between the adjacent cement stabilizing blocks 210 to form joint cement blocks 310, wherein the thickness of the joint cement blocks 310 is smaller than that of the cement stabilizing blocks 210;
s600, continuously filling neutral asphalt concrete on the upper surface of the joint cement block 310 to form a joint asphalt block 320, wherein the upper surface of the neutral asphalt block and the upper surface of the asphalt base block 220 are positioned on the same horizontal plane, and meanwhile, filling the neutral asphalt concrete in the hoisting through hole 223 until the neutral asphalt concrete is flush with the upper surface of the asphalt base block 220;
s610, arranging a buffer groove 322 on the upper surface of the joint asphalt block 320 along the width direction of the colored asphalt pavement by using a cutting machine;
s700, paving a color asphalt layer 400 on the upper surface of the color asphalt pavement.
Example 3:
referring to fig. 6, a cement block stabilizing mold 500, which is mainly used for producing the cement block 210 (see fig. 5) in embodiments 1 and 2, mainly includes a cement front plate 510, a cement rear plate 520, a cement left plate 530 and a cement right plate 540, wherein the cement left plate 530 and the cement right plate 540 are both provided with mounting grooves 550 into which the cement front plate 510 and the cement rear plate 520 are inserted.
The cement front plate 510/the cement rear plate 520 each have an upper plate 561 and a lower plate 562, wherein a positioning groove 570 for the reinforcing steel net 214 (see fig. 5) to extend is formed at a joint between the upper plate 561 and the lower plate 562. When manufacturing the cement block 210, the reinforcing steel net 214 is inserted into the mold through the positioning groove 570 and embedded in front and rear sides of the cement block 210.
Example 4:
an asphalt base block mold 600, which is mainly used for producing the asphalt base block 220 (see fig. 5) in examples 1 and 2, mainly comprises an asphalt front side plate 610, an asphalt rear side plate 620, an asphalt left side plate 630 and an asphalt right side plate 640.
Wherein, the left asphalt side plate 630/the right asphalt side plate 640 are provided with installation chutes 650 for the front asphalt side plate 610/the rear asphalt side plate 620 to insert. When the front asphalt plate 610 and the rear asphalt plate 620 are installed between the left asphalt plate 630 and the right asphalt plate 640, both the front asphalt plate 610 and the rear asphalt plate 620 incline toward the middle of the asphalt base block 220 mold, and the included angle between the front asphalt plate 610 and the rear asphalt plate 620 and the horizontal plane is 45 °.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a colored bituminous paving, includes a plurality of prefabricated road surface units (200) and sets up joint unit (300) between adjacent prefabricated road surface unit (200), its characterized in that, prefabricated road surface unit (200) include cement stable block (210) and lay in pitch base block (220) of cement stable block (210) upper surface, cement stable block (210) upper surface has overlap joint terminal surface (211) at the border department that is close to adjacent cement stable block (210), joint unit (300) are including filling joint cement block (310) between adjacent cement stable block (210) and filling joint pitch block (320) between adjacent pitch base block (220) and overlap joint terminal surface (211) of adjacent cement stable block (210), colored bituminous paving's upper surface has still laid colored pitch layer (400).
2. The colored asphalt pavement according to claim 1, wherein the joint asphalt block (320) has asphalt bumps (321) extending between two adjacent cement stabilization blocks (210), and the upper surface of the joint asphalt block (320) is further provided with buffer grooves (322) along the width direction of the colored asphalt pavement.
3. A coloured asphalt pavement according to claim 2, characterized in that the asphalt base blocks (220) have a lap slope (221) on the side facing the adjacent asphalt base blocks (220), and the lap slope (221) is provided with a plurality of lap grooves (222) along the width direction of the coloured asphalt pavement.
4. The colored asphalt pavement according to claim 3, characterized in that the cement stabilizing blocks (210) are embedded with reinforcing steel nets (214) extending into the joint cement blocks (310), and the outer side edges of two reinforcing steel nets (214) extending to the same joint cement block (310) in adjacent cement stabilizing blocks (210) are attached and welded.
5. The colored asphalt pavement according to claim 1, wherein the asphalt base block (220) is provided with a hoisting through hole (223) penetrating through the upper surface and the lower surface of the asphalt base block (220), the cement stabilizing block (210) is pre-embedded with a hoisting stud (212) at the hoisting through hole (223), and the hoisting stud (212) is detachably provided with a hoisting ring (213).
6. The colored asphalt pavement according to claim 5, wherein the colored asphalt pavement is further provided with an isolation mesh (224) at the bottom of the hoisting through hole (223), and neutral asphalt concrete is further filled in the hoisting through hole (223).
7. A coloured asphalt pavement according to claim 1, characterized in that the coloured asphalt pavement is further provided with a cement stabilized base layer (100) at the lower end of the precast pavement unit (200) and a cement adhesive layer (110) laid on the upper surface of the cement stabilized base layer (100) and used for bonding the cement stabilized block (210), and an elastic support block (120) supported on the cement stabilized base layer (100) and abutting against the lower surface of the cement stabilized block (210) is provided in the cement adhesive layer (110).
8. The construction method of the colored asphalt pavement is characterized by comprising the following steps:
s100, excavating a foundation pit by using excavating equipment;
s200, paving a cement stable base layer (100);
s300, manufacturing a prefabricated pavement unit (200):
s310, paving a layer of cement concrete in a cement stabilizing block mould to form a cuboid-shaped cement stabilizing block (210), and embedding a plurality of hoisting studs (212) on the upper surface of the cement stabilizing block (210);
s320, after the cement stabilizing block (210) is solidified and stabilized, installing an asphalt base block mold on the upper surface of the cement stabilizing block (210), and installing a hollow protective pipe on the upper surface of the cement stabilizing block (210) provided with the hoisting stud (212);
s330, paving a neutral asphalt concrete layer in a mould of the asphalt base block (220) to form the asphalt base block (220);
s340, after the asphalt base block (220) is solidified and stabilized, dismantling the asphalt base block mold and the protective pipe;
s400, mounting a prefabricated pavement unit (200) at the upper end of the cement stabilized base layer (100):
s410, installing a hanging ring (213) on a hoisting stud (212) of the cement stabilizing block (210);
s420, fixing a plurality of elastic supporting blocks (120) on the upper surface of the cement stable base layer (100), and paving a cement bonding layer (110) on the upper surface of the cement stable base layer (100);
s430, before the cement bonding layer (110) is not solidified, installing the prefabricated pavement unit (200) on the upper surface of the cement bonding layer (110) by using a crane for bonding;
s440, after the cement stabilizing block (210) is bonded with the cement bonding layer (110), removing the hoisting rings (213) on the hoisting studs (212), and installing the isolation meshes (224) in the hoisting through holes (223);
s450, continuously installing the rest prefabricated pavement units (200);
s500, filling cement between the adjacent cement stabilizing blocks (210) to form joint cement blocks (310), wherein the thickness of the joint cement blocks (310) is smaller than that of the cement stabilizing blocks (210);
s600, continuously filling neutral asphalt concrete on the upper surface of the joint cement block (310) to form a joint asphalt block (320), wherein the upper surface of the joint asphalt block (320) and the upper surface of the asphalt base block (220) are positioned on the same horizontal plane, and meanwhile, filling the neutral asphalt concrete in the hoisting through hole (223) until the neutral asphalt concrete is flush with the upper surface of the asphalt base block (220);
s700, paving a color asphalt layer (400) on the upper surface of the color asphalt pavement.
9. The method for constructing a colored asphalt pavement according to claim 8, wherein the step S310 further comprises the steps of: reinforcing steel nets (214) are embedded in the front side and the rear side of the cement stabilizing block (210); the following steps are also included between S450 and S500: and S460, welding and fixing the reinforcing steel nets (214) of the adjacent cement stabilizing blocks (210).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006016.1A CN108221532B (en) | 2018-01-03 | 2018-01-03 | Colored asphalt pavement and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006016.1A CN108221532B (en) | 2018-01-03 | 2018-01-03 | Colored asphalt pavement and construction method thereof |
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| CN108221532A CN108221532A (en) | 2018-06-29 |
| CN108221532B true CN108221532B (en) | 2020-02-18 |
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|---|---|---|---|---|
| CN110438861B (en) * | 2019-07-16 | 2022-05-31 | 无锡市天合景观工程有限公司 | Double-color asphalt pavement structure and construction process thereof |
| CN114673042A (en) * | 2022-04-06 | 2022-06-28 | 湖北万恒建筑工程有限公司 | Rapid rural road hardened pavement and construction method thereof |
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| CN204039858U (en) * | 2014-07-17 | 2014-12-24 | 中交一公局第五工程有限公司 | A kind of novel asphalt road |
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| EP1460177A2 (en) * | 2003-03-18 | 2004-09-22 | Franken-Schotter GmbH & Co. KG | Surfacing of slabs made of mineral material |
| JP2006219901A (en) * | 2005-02-10 | 2006-08-24 | Kajima Corp | Composite floor slab |
| CN102433819A (en) * | 2011-10-10 | 2012-05-02 | 苏鸣 | Semi-flexible structure permeable street and pavement method thereof |
| CN202626785U (en) * | 2012-03-20 | 2012-12-26 | 厦门市闽长鹭科技发展有限公司 | Permeable concrete stone paving block |
| CN204039858U (en) * | 2014-07-17 | 2014-12-24 | 中交一公局第五工程有限公司 | A kind of novel asphalt road |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108221532A (en) | 2018-06-29 |
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Effective date of registration: 20240415 Address after: 226500 group 19, Xinlian village, Motou Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Luxiang New Material Technology Co.,Ltd. Country or region after: China Address before: 226500 group 19, Xinlian village, Motou Town, Rugao City, Nantong City, Jiangsu Province Patentee before: JIANGSU ROYSUN TRAFFIC ENGINEERING CO.,LTD. Country or region before: China |