CN110965423A - Anti-crack construction method for asphalt pavement splicing - Google Patents
Anti-crack construction method for asphalt pavement splicing Download PDFInfo
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- CN110965423A CN110965423A CN201911302640.7A CN201911302640A CN110965423A CN 110965423 A CN110965423 A CN 110965423A CN 201911302640 A CN201911302640 A CN 201911302640A CN 110965423 A CN110965423 A CN 110965423A
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- asphalt pavement
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
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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
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- Structural Engineering (AREA)
- Road Repair (AREA)
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Abstract
The invention discloses an anti-cracking construction method for asphalt pavement splicing, which comprises the following construction steps: milling a base layer of the asphalt pavement, selecting materials, processing a vertical surface of the base layer, brushing adhesive layer oil, installing a water stop belt and a glass fiber grating and paving an asphalt mixture, when the water stop is installed, the water stop is firstly baked in advance by a baking gun for softening treatment, the water stop is uniformly hammered and attached by a rubber hammer after being softened, the attaching effect of the water stop is improved, meanwhile, after bonding, the water stop belt is integrally fixed through the nylon nails, so that the stability of the water injection belt is improved, the deviation is prevented, the water seepage prevention effect of the water stop belt is obviously enhanced, the quality of widening and splicing of the asphalt pavement is improved, the cracking of the widening and splicing position of the asphalt pavement is prevented, and when milling and planning the asphalt pavement base, the construction of milling and planing the surface course and the base course of the asphalt pavement in layers can not affect the quality of recycled materials, and the quality of widened splicing of the asphalt pavement is improved.
Description
Technical Field
The invention relates to the technical field of asphalt pavement splicing, in particular to an anti-cracking construction method for asphalt pavement splicing.
Background
Asphalt pavement is made up of asphalt concrete and graded mineral aggregate through spreading and rolling, and features that asphalt concrete is a mixture of asphalt material with certain viscosity and proper dosage and graded mineral aggregate, and has good durability to resist natural factors. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction.
The existing construction method for widening and splicing the asphalt pavement is to directly bond water stop belts of water stop facilities at splicing positions by tearing off isolation paper, so that the bonding stability is poor, deformation is easy to occur, the bonding degree of the water stop belts is poor, the waterproof effect of the water stop belts is seriously influenced, the quality of widening and splicing the asphalt pavement is reduced, and the asphalt pavement is widened and spliced to crack.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an anti-cracking construction method for asphalt pavement splicing.
In order to achieve the purpose, the invention adopts the following technical scheme: an anti-crack construction method for asphalt pavement splicing comprises the following construction steps:
s1: milling a base layer of the asphalt pavement, performing milling construction by using a milling machine or a cutting machine, forming a splicing pit groove on one side of the asphalt pavement, and cutting a splicing step in one side, which is attached to the asphalt pavement, of the splicing pit groove by using the milling machine or the cutting machine;
s2: selecting materials, namely selecting a double-faced adhesive water stop and a glass fiber grating with proper width according to the depth and the width of milling of a splicing pit groove of the asphalt pavement;
s3: treating the vertical surface of the base layer, namely treating the structural surface of the splicing pit groove of the asphalt pavement in sequence by a roughening machine and a steel wire brush;
s4: coating the adhesive layer oil, and uniformly coating the adhesive layer oil on the structural surface of the splicing pit groove of the asphalt pavement by using an asphalt distribution vehicle;
s5: mounting a water stop and a glass fiber grating, namely paving the glass fiber grating on the structural surface of the splicing pit groove of the asphalt pavement to prevent reflection cracks during construction, and then mounting the water stop on the vertical surface in the splicing pit groove of the asphalt pavement;
s6: paving the asphalt mixture, paving asphalt by using a paver, compacting the paved asphalt, simultaneously performing isolation maintenance on the paved and constructed asphalt, and arranging a safety warning road cone at a construction position.
As a further description of the above technical solution:
in the step S1, when milling the asphalt pavement base course, the layered milling construction needs to be performed on the asphalt pavement surface course and the asphalt pavement base course, so that the quality of the recycled materials is not affected.
As a further description of the above technical solution:
and in the step S1, when water is added for dedusting during milling construction of the asphalt pavement base layer, spray type dedusting is adopted to prevent water from permeating into the asphalt pavement structure to affect the anti-cracking construction effect.
As a further description of the above technical solution:
in the step S4, the coating oil is required to be uniformly and vaporifically sprayed during coating, and the coating oil is uniformly distributed into a thin layer in the full width of the splicing pit groove of the asphalt pavement, so that spraying leakage or strip-shaped spraying is avoided, accumulation is avoided, the spraying is supplemented when the spraying is insufficient, and the spraying excess part is scraped.
As a further description of the above technical solution:
the step S3 of processing the substrate facade includes the following steps:
s3.1: the scabbling treatment is carried out on the asphalt pavement splicing pit structural surface through a scabbling machine, so that dents are uniformly chiseled on the asphalt mixture structural surface, and the construction surface is convenient to bond firmly;
s3.2: and cleaning the structural surface of the asphalt pavement splicing pit groove by using a steel wire brush until the structural surface of the asphalt pavement splicing pit groove is free of floating dust particles and loose structural objects.
As a further description of the above technical solution:
the step S5 of stopping the water hose installation includes the following steps:
s5.1: uncovering a section of the release paper on one side of the water stop belt, firstly, pre-baking the water stop belt by using a baking gun, and pressing glue on the vertical surface of the asphalt pavement splicing pit groove by force along the vertical surface of the asphalt pavement splicing pit groove while baking;
s5.2: hammering the water stop belt by using a rubber hammer, and then continuously removing the isolation paper on the water stop belt and hammering the water stop belt forcefully to ensure that the rubber sheet is completely adhered to the vertical surface of the splicing pit groove of the asphalt pavement;
s5.3: and after the water stop is bonded, the water stop is nailed on the vertical surface through a nylon nail.
As a further description of the above technical solution:
and step S5, mounting the water stop and the glass fiber grating and paving the asphalt mixture in step S6, and performing synchronous construction on the same day to prevent the pollution of the adhesive layer.
Advantageous effects
The invention provides an anti-cracking construction method for asphalt pavement splicing. The method has the following beneficial effects:
(1): according to the anti-cracking construction method for splicing the bituminous pavements, when the waterstops are installed, the waterstops are firstly baked through the baking gun in advance for softening treatment, the waterstops are uniformly hammered through the rubber hammers after being softened for laminating, the laminating effect of the waterstops is improved, meanwhile, the waterstops are integrally fixed through the nylon nails after being bonded, the stability of a water injection belt is improved, the deviation is prevented, the water seepage prevention effect of the waterstops is obviously enhanced, the quality of the splicing of the bituminous pavements is improved, and the splicing positions of the bituminous pavements are prevented from cracking when being widened.
(2): according to the anti-cracking construction method for asphalt pavement splicing, when the asphalt pavement base layer is milled and milled, the surface layer and the base layer of the asphalt pavement are subjected to layered milling and milling construction, the quality of recycled materials cannot be influenced, the recycled materials are convenient to recycle, meanwhile, splicing steps are cut when milling and milling construction is carried out, the splicing construction stability is improved, and meanwhile, roughening treatment is carried out on the asphalt pavement splicing pit slot structural surface, so that the bonding firmness of the construction surface is improved.
Drawings
Fig. 1 is a schematic view of a rectification process of the crack resistance construction method for asphalt pavement splicing according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1, an anti-crack construction method for asphalt pavement splicing comprises the following construction steps:
s1: milling a base layer of the asphalt pavement, performing milling construction by using a milling machine or a cutting machine, forming a splicing pit groove on one side of the asphalt pavement, and cutting a splicing step in one side, which is attached to the asphalt pavement, of the splicing pit groove by using the milling machine or the cutting machine;
s2: selecting materials, namely selecting a double-faced adhesive water stop and a glass fiber grating with proper width according to the depth and the width of milling of a splicing pit groove of the asphalt pavement;
s3: treating the vertical surface of the base layer, namely treating the structural surface of the splicing pit groove of the asphalt pavement in sequence by a roughening machine and a steel wire brush;
s4: coating the adhesive layer oil, and uniformly coating the adhesive layer oil on the structural surface of the splicing pit groove of the asphalt pavement by using an asphalt distribution vehicle;
s5: mounting a water stop and a glass fiber grating, namely paving the glass fiber grating on the structural surface of the splicing pit groove of the asphalt pavement to prevent reflection cracks during construction, and then mounting the water stop on the vertical surface in the splicing pit groove of the asphalt pavement;
s6: paving the asphalt mixture, paving asphalt by using a paver, compacting the paved asphalt, simultaneously performing isolation maintenance on the paved and constructed asphalt, and arranging a safety warning road cone at a construction position.
In the step S1, when milling the asphalt pavement base course, the layered milling construction needs to be performed on the asphalt pavement surface course and the asphalt pavement base course, so that the quality of the recycled materials is not affected.
And in the step S1, when water is added for dedusting during milling construction of the asphalt pavement base, spray type dedusting is adopted to prevent water from permeating into the asphalt pavement structure to affect the anti-cracking construction effect.
In the step S4, the coating oil is required to be uniformly and vaporifically sprayed when being coated, and the coating oil is uniformly distributed into a thin layer in the full width of the splicing pit groove of the asphalt pavement, so that spraying leakage or strip-shaped spraying is avoided, accumulation is avoided, the spraying is supplemented when the spraying is insufficient, and the spraying excess part is scraped.
The step S3 of base level facade processing includes the steps of:
s3.1: the scabbling treatment is carried out on the asphalt pavement splicing pit structural surface through a scabbling machine, so that dents are uniformly chiseled on the asphalt mixture structural surface, and the construction surface is convenient to bond firmly;
s3.2: and cleaning the structural surface of the asphalt pavement splicing pit groove by using a steel wire brush until the structural surface of the asphalt pavement splicing pit groove is free of floating dust particles and loose structural objects.
The step S5 of stopping the hose installation includes the steps of:
s5.1: uncovering a section of the release paper on one side of the water stop belt, firstly, pre-baking the water stop belt by using a baking gun, and pressing glue on the vertical surface of the asphalt pavement splicing pit groove by force along the vertical surface of the asphalt pavement splicing pit groove while baking;
s5.2: hammering the water stop belt by using a rubber hammer, and then continuously removing the isolation paper on the water stop belt and hammering the water stop belt forcefully to ensure that the rubber sheet is completely adhered to the vertical surface of the splicing pit groove of the asphalt pavement;
s5.3: and after the water stop is bonded, the water stop is nailed on the vertical surface through a nylon nail.
And step S5, mounting the water stop and the glass fiber grating and spreading the asphalt mixture in step S6, and performing synchronous construction on the same day to prevent the pollution of the adhesive layer.
The asphalt pavement splicing anti-cracking construction method has the advantages that when the asphalt pavement base layer is milled and milled, the surface layer and the base layer of the asphalt pavement are subjected to layered milling construction, the quality of recycled materials is not influenced, the recycled materials are convenient to recycle, meanwhile, the splicing steps are cut during milling construction, the splicing construction stability is improved, meanwhile, the scabbling treatment is carried out on the splicing pit groove structure surface of the asphalt pavement, the bonding firmness of the construction surface is improved, the quality of widening and splicing of the asphalt pavement is enhanced, when the water stop is installed in the splicing pit groove of the asphalt pavement, the water stop is firstly baked in advance by the baking gun for softening treatment, the water stop is softened and then uniformly hammered by the rubber hammer for laminating, the laminating effect of the water stop is improved, meanwhile, the water stop is integrally fixed by the nylon nails after bonding, and the stability of the water injection belt is improved, prevent the skew from appearing, show reinforcing waterstop prevention of seepage water effect, improve bituminous paving and widen the quality of concatenation, prevent that bituminous paving from widening the concatenation position and appearing the fracture.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The anti-crack construction method for asphalt pavement splicing is characterized by comprising the following construction steps:
s1: milling a base layer of the asphalt pavement, performing milling construction by using a milling machine or a cutting machine, forming a splicing pit groove on one side of the asphalt pavement, and cutting a splicing step in one side, which is attached to the asphalt pavement, of the splicing pit groove by using the milling machine or the cutting machine;
s2: selecting materials, namely selecting a double-faced adhesive water stop and a glass fiber grating with proper width according to the depth and the width of milling of a splicing pit groove of the asphalt pavement;
s3: treating the vertical surface of the base layer, namely treating the structural surface of the splicing pit groove of the asphalt pavement in sequence by a roughening machine and a steel wire brush;
s4: coating the adhesive layer oil, and uniformly coating the adhesive layer oil on the structural surface of the splicing pit groove of the asphalt pavement by using an asphalt distribution vehicle;
s5: mounting a water stop and a glass fiber grating, namely paving the glass fiber grating on the structural surface of the splicing pit groove of the asphalt pavement to prevent reflection cracks during construction, and then mounting the water stop on the vertical surface in the splicing pit groove of the asphalt pavement;
s6: paving the asphalt mixture, paving asphalt by using a paver, compacting the paved asphalt, simultaneously performing isolation maintenance on the paved and constructed asphalt, and arranging a safety warning road cone at a construction position.
2. The asphalt pavement splicing anti-crack construction method according to claim 1, wherein in the step S1, when milling the asphalt pavement base layer, layered milling of the asphalt pavement surface layer and the asphalt pavement base layer is required, so that the quality of recycled materials is not affected.
3. The asphalt pavement splicing anti-crack construction method according to claim 1, wherein in the step S1, when water is added for dust removal during milling construction of the asphalt pavement base layer, spray dust removal is adopted to prevent water from penetrating into the asphalt pavement structure and affecting anti-crack construction effect.
4. The method as claimed in claim 1, wherein the step S4 is carried out by spraying the viscous oil in a uniform mist form, and the viscous oil is uniformly distributed in a thin layer over the entire width of the asphalt pavement splicing pit slot, so that the viscous oil is not scattered, leaked or stripped, accumulated, and supplemented when the viscous oil is not sprayed enough, and the excessive spraying part is scraped.
5. The asphalt pavement splicing crack-resistant construction method according to claim 1, wherein the step S3 of performing the vertical surface treatment of the base layer comprises the steps of:
s3.1: the scabbling treatment is carried out on the asphalt pavement splicing pit structural surface through a scabbling machine, so that dents are uniformly chiseled on the asphalt mixture structural surface, and the construction surface is convenient to bond firmly;
s3.2: and cleaning the structural surface of the asphalt pavement splicing pit groove by using a steel wire brush until the structural surface of the asphalt pavement splicing pit groove is free of floating dust particles and loose structural objects.
6. The asphalt pavement splicing crack-resistant construction method according to claim 1, wherein the step S5 of stopping water band installation comprises the following steps:
s5.1: uncovering a section of the release paper on one side of the water stop belt, firstly, pre-baking the water stop belt by using a baking gun, and pressing glue on the vertical surface of the asphalt pavement splicing pit groove by force along the vertical surface of the asphalt pavement splicing pit groove while baking;
s5.2: hammering the water stop belt by using a rubber hammer, and then continuously removing the isolation paper on the water stop belt and hammering the water stop belt forcefully to ensure that the rubber sheet is completely adhered to the vertical surface of the splicing pit groove of the asphalt pavement;
s5.3: and after the water stop is bonded, the water stop is nailed on the vertical surface through a nylon nail.
7. The asphalt pavement splicing crack-resistant construction method according to claim 1, wherein the step S5 of installing the water stop and the glass fiber grating and the step S6 of paving the asphalt mixture are carried out synchronously on the same day to prevent the adhesion layer from being polluted.
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| CN201911302640.7A CN110965423A (en) | 2019-12-17 | 2019-12-17 | Anti-crack construction method for asphalt pavement splicing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030690A (en) * | 2020-08-19 | 2020-12-04 | 中交路桥建设有限公司 | Construction method for treating pavement cracks |
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