CN103334365A - Paving structure and paving method for quickly recovering functions of pavement and bridge floor - Google Patents
Paving structure and paving method for quickly recovering functions of pavement and bridge floor Download PDFInfo
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- CN103334365A CN103334365A CN2013102956941A CN201310295694A CN103334365A CN 103334365 A CN103334365 A CN 103334365A CN 2013102956941 A CN2013102956941 A CN 2013102956941A CN 201310295694 A CN201310295694 A CN 201310295694A CN 103334365 A CN103334365 A CN 103334365A
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Abstract
The invention discloses a paving structure and a paving method for quickly recovering functions of a pavement and a bridge floor. The paving structure comprises a double-layer fiber-added macadam seal layer and an ultrathin antiskid wearing layer from the bottom up, wherein the double-layer fiber-added macadam seal layer comprises a lower binder layer, a chopped fiber layer and an upper binder layer from the bottom up. According to the paving structure and the paving method for quickly recovering the functions of the pavement and the bridge floor, compared with the prior art, on the basis that the original paving is made full use of, gap graded aggregate is adopted to achieve water proofing of the pavement, prevent water from damaging the pavement, and exert the functions of water shutoff and drainage simultaneously; and the paving structure is high in construction efficiency, and can reduce the interference of the traditional construction manner to traffic.
Description
Technical field
The present invention relates to paving structure and the paving method of a kind of fast quick-recovery road surface and bridge floor function, be applicable to the maintenance and reparation fast of building highway pavement, deck paving, belong to the maintenance of highway pavement technology.
Background technology
Along with China's speedway and stride completing for use successively of river, large-span steel box girder bridge over strait, the maintenance of High Grade Bitumen Pavement and paving steel bridge deck and recovery technique have become one of important content of present stage research.
The main disease of flexible pavement is cracking, hole groove, rut etc., and speedway, bridge deck traffic have the advantages that vehicle flowrate is big, the speed of a motor vehicle is fast, for guaranteeing vehicle high speed, safety, cosily current, must carry out Disease Processing in time, effectively, and carry out preventive maintenance, prolong the application life on road surface.Yet present stage is when producing disease on the road surface, traditional method is for to overlay slurry seal then to spilling the cloth sticking layer oil behind original road-surface milling again, the mode of little table place even hot-mix asphalt mixture, this way can play in a short time and prevent from oozing under the moisture and the planeness on efficient recovery road surface and the effect of anti-slide performance arranged, but because milling 2～4cm is only taked on damaged road surface, it is limited that it handles the degree of depth, and in overlaying structure slurry seal no matter, little table place still is that the ability of its cracking resistance line reflection of AC or SMA is all relatively poor, bonding with original road surface can't guarantee in addition, makes that the pavement durability of using traditional scheme to repair is still relatively poor.Simultaneously, traditional restorative procedure is limited by material therefor and job practices, is unfavorable for the reduction of erection time and raises the efficiency.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides paving structure and the paving method of a kind of fast quick-recovery road surface and bridge floor function, effectively solve the road surface crack deflection problem that overlays, improve pavement durability and play the effect of structural strengthening, have the advantage that construction is fast and convenient, construction is easy to control.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
The paving structure of a kind of fast quick-recovery road surface and bridge floor function comprises that from the bottom to top bilayer adds fine crushed stone sealing and ultra-thin antiskid wearing layer, and described bilayer adds fine crushed stone sealing and comprises adhesive layer, chopped strand layer and last adhesive layer down from the bottom to top.
Preferably, described bilayer adds in the fine crushed stone sealing, and last adhesive layer top also is provided with simple grain footpath aggregate chips layer.
Preferably, the thickness of described ultra-thin antiskid wearing layer is 8～15mm.
Preferably, described ultra-thin antiskid wearing layer is made of polymer modification mulseal film and the simple grain footpath basaltic broken stone that paves on polymer modification mulseal film.
Preferably, the particle diameter of described simple grain footpath basaltic broken stone is 2.36～4.75mm.
Preferably, described simple grain footpath aggregate chips layer is formed by simple grain footpath aggregate chips spreading, and basalt or fat lime rock make described simple grain footpath aggregate chips preferably by particle shape; The particle diameter of described simple grain footpath aggregate chips is 2.36～4.75mm, and spreading amount is 1～3kg/m
2
Preferably, described chopped strand layer is laid by chopped strand and is formed, and the filament diameter of described chopped strand is 16～20um, and it is 5.5～6.5mm that weak point is cut length, and the laying amount is 2.0～2.8kg/m
2
Preferably, described adhesive layer down and last adhesive layer spill cloth by cementing agent and form, and described cementing agent is rubber asphalt, epoxy resin or bituminous epoxy, and the described cloth amount of spilling of adhesive layer down is 0.2～0.6kg/m
2, the described cloth amount of spilling that goes up adhesive layer is 0.2～0.4kg/m
2
The paving method of a kind of fast quick-recovery road surface and bridge floor function comprises the steps:
(1) milling, sandblast and handle and formerly mat formation;
(2) from the bottom to top, formerly spilling simultaneously on mating formation/the spreading cementing agent, chopped strand and cementing agent, forming the stress absorption tack coat;
(3) from the bottom to top, on the stress absorption tack coat, spray polymer modification mulseal and the simple grain footpath basaltic broken stone that paves simultaneously;
(4) one-shot forming after the compacting of use road roller.
Preferably, in the described step (2), from the bottom to top, formerly spilling simultaneously on mating formation/the spreading cementing agent, chopped strand, cementing agent and simple grain footpath aggregate chips, forming the stress absorption tack coat.
Among the present invention, bilayer adds fine crushed stone sealing (being the stress absorption tack coat) and has unique network winding structure, because the high tensile of fiber itself is stretched tension, the shear strength that intensity has improved the stress absorption tack coat effectively, therefore this stress absorption tack coat has superpower absorption and dispersive stress function, the inhibitory reflex crack occurs effectively, thus the application life that the pavement destruction that prevention causes because traffic load is overweight has greatly improved road; Simultaneously; the cloth that spills of two-layer binding material has improved the double-deck seal that adds fine crushed stone sealing more; the fiber that in addition plays reinforcement and bridge joint effect in the structure can adsorb binding material easily, forms one deck compact protective film, so this bilayer adds fine crushed stone sealing and has higher water resistance.
Beneficial effect: paving structure and the paving method of fast quick-recovery road surface provided by the invention and bridge floor function, the prior art of comparing, taking full advantage of on the former basis of mating formation, adopt gap grading to gather materials and solve the road surface waterproof problem, the destruction of anti-sealing road pavement has been played the effect of water shutoff and draining simultaneously; Bilayer adds fine crushed stone sealing and has guaranteed maintenance structure and the former good adhesive property of mating formation as tack coat, have good ductility, pliability simultaneously, can follow former mat formation under the temperature difference and load action, freely extend, shortening and flexural deformation, delayed the reflection in crack; Ultra-thin antiskid wearing layer construction depth and friction factor are big, and pavement skid resistance condition is good, and the travel conditions of road improvement improves road-ability and safety fast; The efficiency of construction height of this paving structure can reduce traditional form of construction work centering to the interference of traffic.
Description of drawings
Fig. 1 is the schematic diagram of the paving structure of fast quick-recovery road surface of the present invention and bridge floor function;
Comprise formerly mat formation 1, down adhesive layer 2, chopped strand layer 3, go up adhesive layer 4, simple grain footpath aggregate chips layer 5 and ultra-thin antiskid wearing layer 6.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
Be illustrated in figure 1 as the paving structure of a kind of fast quick-recovery road surface and bridge floor function, comprise that from the bottom to top bilayer adds fine crushed stone sealing and ultra-thin antiskid wearing layer.
Described bilayer adds fine crushed stone sealing and comprises following adhesive layer, chopped strand layer from the bottom to top, goes up adhesive layer and simple grain footpath aggregate chips layer.Described adhesive layer down and last adhesive layer spill cloth by cementing agent and form, and described cementing agent is rubber asphalt, epoxy resin or bituminous epoxy, and the described cloth amount of spilling of adhesive layer down is 0.2～0.6kg/m
2, the described cloth amount of spilling that goes up adhesive layer is 0.2～0.4kg/m
2Described chopped strand layer is laid by chopped strand and is formed, and described simple grain footpath aggregate chips layer is formed by simple grain footpath aggregate chips spreading, and basalt or fat lime rock make described simple grain footpath aggregate chips preferably by particle shape; The particle diameter of described simple grain footpath aggregate chips is 2.36～4.75mm, and spreading amount is 1～3kg/m
2The filament diameter of described chopped strand is 16～20um, and it is 6mm that weak point is cut length, and the laying amount is 2.0～2.8kg/m
2
The thickness of described ultra-thin antiskid wearing layer is 8～15mm, is made of polymer modification mulseal film and the simple grain footpath basaltic broken stone that paves on polymer modification mulseal film; The particle diameter of described simple grain footpath basaltic broken stone is 2.36～4.75mm.
The paving method of a kind of fast quick-recovery road surface and bridge floor function comprises the steps:
(1) original road surface (mating formation) condition evaluation: emphasis is the investigation of diseases such as crack, rut, delamination, damage by water evil idea, the modulus of resilience of the original road surface of on-site measurement (mating formation) layer simultaneously;
(2) original road surface (mating formation) surfacing: adopt plucking and sandblast mode to carry out local specific aim and handle;
(3) use special equipment from the bottom to top, formerly spilling synchronously on mating formation/the spreading cementing agent, chopped strand, cementing agent and simple grain footpath aggregate chips (optional), form the stress absorption tack coat;
(4) from the bottom to top, on the stress absorption tack coat, spray polymer modification mulseal and the simple grain footpath basaltic broken stone that paves simultaneously;
(5) one-shot forming after the compacting of use road roller.
The above only is preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the paving structure of a fast quick-recovery road surface and bridge floor function, it is characterized in that: comprise that from the bottom to top bilayer adds fine crushed stone sealing and ultra-thin antiskid wearing layer, described bilayer adds fine crushed stone sealing and comprises adhesive layer, chopped strand layer and last adhesive layer down from the bottom to top.
2. the paving structure of fast quick-recovery road surface according to claim 1 and bridge floor function, it is characterized in that: described bilayer adds in the fine crushed stone sealing, and last adhesive layer top also is provided with simple grain footpath aggregate chips layer.
3. the paving structure of fast quick-recovery road surface according to claim 1 and 2 and bridge floor function, it is characterized in that: the thickness of described ultra-thin antiskid wearing layer is 8～15mm.
4. the paving structure of fast quick-recovery road surface according to claim 1 and 2 and bridge floor function is characterized in that: described ultra-thin antiskid wearing layer is made of polymer modification mulseal film and the simple grain footpath basaltic broken stone that paves on polymer modification mulseal film.
5. the paving structure of fast quick-recovery road surface according to claim 4 and bridge floor function is characterized in that: the particle diameter of described simple grain footpath basaltic broken stone is 2.36～4.75mm.
6. the paving structure of fast quick-recovery road surface according to claim 2 and bridge floor function is characterized in that: described simple grain footpath aggregate chips layer is formed by simple grain footpath aggregate chips spreading, and described simple grain footpath aggregate chips is made by basalt or limestone; The particle diameter of described simple grain footpath aggregate chips is 2.36～4.75mm, and spreading amount is 1～3kg/m
2
7. the paving structure of fast quick-recovery road surface according to claim 1 and 2 and bridge floor function, it is characterized in that: described chopped strand layer is laid by chopped strand and is formed, the filament diameter of described chopped strand is 16～20um, and it is 5.5～6.5mm that weak point is cut length, and the laying amount is 2.0～2.8kg/m
2
8. the paving structure of fast quick-recovery road surface according to claim 1 and 2 and bridge floor function, it is characterized in that: described adhesive layer down and last adhesive layer spill cloth by cementing agent and form, described cementing agent is rubber asphalt, epoxy resin or bituminous epoxy, and the described cloth amount of spilling of adhesive layer down is 0.2～0.6kg/m
2, the described cloth amount of spilling that goes up adhesive layer is 0.2～0.4kg/m
2
9. the paving method of a fast quick-recovery road surface and bridge floor function is characterized in that: comprise the steps:
(1) milling, sandblast and handle and formerly mat formation;
(2) from the bottom to top, formerly spilling simultaneously on mating formation/the spreading cementing agent, chopped strand and cementing agent, forming the stress absorption tack coat;
(3) from the bottom to top, on the stress absorption tack coat, spray polymer modification mulseal and the simple grain footpath basaltic broken stone that paves simultaneously;
(4) one-shot forming after the compacting of use road roller.
10. the paving method of fast quick-recovery road surface according to claim 9 and bridge floor function, it is characterized in that: in the described step (2), from the bottom to top, formerly spilling simultaneously on mating formation/the spreading cementing agent, chopped strand, cementing agent and simple grain footpath aggregate chips, forming the stress absorption tack coat.
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Cited By (4)
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| CN104452583A (en) * | 2014-11-04 | 2015-03-25 | 江苏中路工程技术研究院有限公司 | Composite anti-skidding abrasion layer, and preparation method and application of composite anti-skidding abrasion layer |
| CN107129227A (en) * | 2015-10-14 | 2017-09-05 | 东南大学 | A kind of preparation method of pavement of road or airfield pavement paving structure |
| CN108103875A (en) * | 2017-12-13 | 2018-06-01 | 江苏中路工程技术研究院有限公司 | Antiskid crushed stone sealing road surface and its construction method |
| CN110284392A (en) * | 2019-01-09 | 2019-09-27 | 广州市公路勘察设计有限公司 | A kind of stress absorbing layer and its construction method of high viscous superlastic Anti-reflective Crack of Overlaying |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452583A (en) * | 2014-11-04 | 2015-03-25 | 江苏中路工程技术研究院有限公司 | Composite anti-skidding abrasion layer, and preparation method and application of composite anti-skidding abrasion layer |
| CN107129227A (en) * | 2015-10-14 | 2017-09-05 | 东南大学 | A kind of preparation method of pavement of road or airfield pavement paving structure |
| CN107129227B (en) * | 2015-10-14 | 2019-05-31 | 东南大学 | A kind of preparation method of pavement of road or airfield pavement paving structure |
| CN108103875A (en) * | 2017-12-13 | 2018-06-01 | 江苏中路工程技术研究院有限公司 | Antiskid crushed stone sealing road surface and its construction method |
| CN110284392A (en) * | 2019-01-09 | 2019-09-27 | 广州市公路勘察设计有限公司 | A kind of stress absorbing layer and its construction method of high viscous superlastic Anti-reflective Crack of Overlaying |
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| CN103334365B (en) | 2015-11-18 |
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