CN104313970A - Method for repairing pavement by microwave treatment - Google Patents
Method for repairing pavement by microwave treatment Download PDFInfo
- Publication number
- CN104313970A CN104313970A CN201410598727.4A CN201410598727A CN104313970A CN 104313970 A CN104313970 A CN 104313970A CN 201410598727 A CN201410598727 A CN 201410598727A CN 104313970 A CN104313970 A CN 104313970A
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- China
- Prior art keywords
- pavement
- microwave
- repairing
- manganese dioxide
- microwave treatment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
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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
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
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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
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
- E01C7/262—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with fibrous material, e.g. asbestos; with animal or vegetal admixtures, e.g. leather, cork
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a method for repairing a pavement by microwave treatment. An effect of quickly repairing the pavement at last is achieved through six steps of breaking and dismounting a damaged pavement, filling a repairing material, performing microwave heating and the like; the microwave heating is quick and time-saving by adding the materials, such as manganese dioxide, into the repairing material. Compared with the prior art, the method has the following advantages that the distress of an asphalt concrete pavement can be repaired quickly; the pavement construction maintenance work time is shortened; the influence on traffic is reduced; safety and smoothness of a road are further guaranteed; the distress of the asphalt concrete road can be effectively repaired; the pavement maintenance quality is improved; the work intensity is reduced; the work efficiency is improved; repair materials can be reutilized; the method is economical and environment-friendly.
Description
Technical field
The present invention relates to road surface maintenance technical field, in particular a kind of method of microwave treatment redeck.
Background technology
The Major Diseases that current flexible pavement produces has: one is sink, and it is mainly present in Bridge-Culvert Platform Back, high roadbed place, and producing cause mainly fills not according to specification, and degree of compaction is on the low side, local subsidence under natural subsidence and driving effect; Two is hole grooves, and its producing cause is due to driving leakage of oil on the one hand, causes hole groove; Be that Local Road Surface Lack of support causes local, road surface check crack on the other hand, cause cheating groove; And deck paving of concrete leakiness, or waterproofing course and bitumen layer are cohered bad, under driving repeated action, also there will be hole groove.After crack appears in flexible pavement, should carry out in time keeping in repair and maintenance, further expanding of control critical eigenvalue, application life and the using character of flexible pavement can be improved like this.According to the maintenance method that the selecting factors such as type, execution conditions, category of roads in crack is suitable.And some current maintenance of surface methods not only the engineering time long, affect traffic normal, and to a certain extent, have that maintenance system varies, maintaining process is backward, awareness of safety is thin, maintenance charge standard does not have the shortcomings such as specification, even also road pavement can bring otherwise hurt.
Microwave has fuel factor, the space structures that absorbing material is formed by high magnetic conduction, conductive material, makes energy of electromagnetic field convert heat energy to.Utilize specific wavelength, the microwave of CF forms effective field to needing heating region, and absorbing material absorbs irradiation to the electromagnetic wave on its micelle, is translated into heat energy, thus reach the concrete object of softening protobitumen, realize carrying out hot recycling utilization to protobitumen concrete.This technology can repair the small-sized diseases such as asphalt concrete pavement hole groove, advantages such as having homogeneous heating, control in time, operation is simple, efficient.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of method of microwave treatment redeck.
The present invention is achieved by the following technical solutions: a kind of method of microwave treatment redeck, it is characterized in that, step is as follows: step one, weighing preparation patching material, patching material comprises: manganese dioxide, continuous basalt fiber and bituminous concrete, and the weight ratio of manganese dioxide, continuous basalt fiber and bituminous concrete is 1:2:100; Step 2, closed road surface to be repaired; Step 3, the pitch taken out in road surface to be repaired, and clean hole groove; Step 4, insert the patching material that step one configures; Step 5, with microwave launcher to repairing position heating; Step 6, arrange and repair block, to be cooledly after less than 50 DEG C, remove spacer assembly, openly to pass through.
As further improvement of these options, manganese dioxide, continuous basalt fiber and bituminous concrete are all dusty materials, and the average grain diameter of powder is less than 1mm.
As further improvement of these options, the microwave frequency that microwave emitter is launched is 450MHz.
The present invention has the following advantages compared to existing technology: by absorbing materials such as dopping manganese dioxides in bituminous material, microblogging transmitter fast melt patching material can be passed through, construction corps is avoided to carry heavy heating furnace with car, in addition, also can be repaired fast after the fast damage of repairing by microwave emitter fast melt, by adding new patching material Rapid-Repair road surface.Save the pavement patching effect time, improve traffic efficiency.Adopt this method, only hole slot part need be excavated, hole wall still can reach more than 100 DEG C, effectively can engage, can eliminate weak seam completely with material for repairing.After repairing, evenness of road surface, good waterproof performance, bearing capacity can not reduce, and not easily damages again.The feature of environmental protection is good, can not pollute, and in whole heating process, without flare, smoke dust, pitch is without burning phenomenon.Former ground surface material reproducible utilization, reaches environmental protection, energy-conservation effect.Finally, although adopt absorbing material microwave thermal regeneration rapid curing cost higher than traditional maintenance process, owing to being adopt in section, local, so in the long run, economic benefit, social benefit are relatively good.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
A kind of method of microwave treatment redeck, it is characterized in that, step is as follows: step one, weighing preparation patching material, patching material comprises: manganese dioxide, continuous basalt fiber and bituminous concrete, and the weight ratio of manganese dioxide, continuous basalt fiber and bituminous concrete is 1:2:100; Step 2, closed road surface to be repaired; Step 3, the pitch taken out in road surface to be repaired, and clean hole groove; Step 4, insert the patching material that step one configures; Step 5, with microwave launcher to repairing position heating; Step 6, arrange and repair block, to be cooledly after less than 50 DEG C, remove spacer assembly, openly to pass through.Manganese dioxide belongs to a kind of dielectric loss medium, has higher resistivity and larger dielectric constant, and its dielectric loss angle tangent is little with the increase change of frequency, and mainly through dielectric loss attenuates electromagnetic waves, the programming rate under microwave irradiation is very fast.Continuous basalt fiber has than metal and the high specific strength characteristic of glass fiber; It also has high chemical stability and heat stability, can in alkaline medium steady operation; Basalt fibre is random distribution in cement matrix, forms inierpeneirating network structure, can suppress the expansion of micro-crack, play enhancing, toughness reinforcing effect.First, soon, owing to adding in bituminous concrete mixture by absorbing material, heating is general needs 10 ~ 15 minutes absorbing material to be added to hot recycling maintenance work speed in bituminous concrete mixture.Hole, a place groove can be repaired half an hour, shortened the close traffic time.In addition, its homogeneous heating, temperature gradient is little, and when surface temperature 160 DEG C, below 10cm temperature still can reach 70 DEG C, is conducive to upper and lower bitumen layer and coheres.And it can eliminate weak seam, repairing quality is good, and by the maintenance process of " circle hole side is mended ", hole groove must be scraped out square, wall portion position, hole connects more weak, easily seeps water, causes and again destroy.Adopt microwave technology, only hole slot part need be excavated, hole wall still can reach more than 100 DEG C, effectively can engage, can eliminate weak seam completely with material for repairing.After repairing, evenness of road surface, good waterproof performance, bearing capacity can not reduce, and not easily damages again.The feature of environmental protection is good, can not pollute, and in whole heating process, without flare, smoke dust, pitch is without burning phenomenon.Former ground surface material reproducible utilization, reaches environmental protection, energy-conservation effect.Finally, although adopt absorbing material microwave thermal regeneration rapid curing cost higher than traditional maintenance process, owing to being adopt in section, local, so in the long run, economic benefit, social benefit are relatively good.
Manganese dioxide, continuous basalt fiber and bituminous concrete are all dusty materials, and the average grain diameter of powder is less than 1mm.Powder diameter is less, is more beneficial to microwave penetration heating, and it is faster to melt speed, but considers airborne dust and pulverize cost, and we select average grain diameter to be take into account both the material of 1mm can be accomplished.
The microwave frequency that microwave emitter is launched is 450MHz.Its wavelength is 12.24 centimetres, its penetration capacity is strong, polar molecule produces wheel pendular motion in enough electromagnetic field spaces, produce friction between molecule, object itself is as pyrotoxin, thus reach the object of heating, then can realize heating, then adopt scarifying on the spot in the very short time, stir, pave, compacting etc. is worked continuously, the new road surface of one-shot forming, economical, efficient, fast, environmental protection, saving, there is significant economic benefit and social benefit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the method for a microwave treatment redeck, it is characterized in that, step is as follows: step one, weighing preparation patching material, described patching material comprises: manganese dioxide, continuous basalt fiber and bituminous concrete, and the weight ratio of described manganese dioxide, continuous basalt fiber and bituminous concrete is 1:2:100; Step 2, closed road surface to be repaired; Step 3, the pitch taken out in road surface to be repaired, and clean hole groove; Step 4, insert the patching material that step one configures; Step 5, with microwave launcher to repairing position heating; Step 6, arrange and repair block, to be cooledly after less than 50 DEG C, remove spacer assembly, openly to pass through.
2. the method for a kind of microwave treatment redeck as claimed in claim 1, it is characterized in that, described manganese dioxide, continuous basalt fiber and bituminous concrete are all dusty materials, and the average grain diameter of described powder is less than 1mm.
3. the method for a kind of microwave treatment redeck as claimed in claim 1, is characterized in that, the microwave frequency that described microwave emitter is launched is 450MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598727.4A CN104313970A (en) | 2014-10-30 | 2014-10-30 | Method for repairing pavement by microwave treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598727.4A CN104313970A (en) | 2014-10-30 | 2014-10-30 | Method for repairing pavement by microwave treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104313970A true CN104313970A (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410598727.4A Pending CN104313970A (en) | 2014-10-30 | 2014-10-30 | Method for repairing pavement by microwave treatment |
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| CN (1) | CN104313970A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192712A (en) * | 2016-07-22 | 2016-12-07 | 西安电子科技大学 | Bituminous paving microwave heating means on the spot based on electromagnetism Meta Materials |
| CN110820506A (en) * | 2019-11-06 | 2020-02-21 | 江苏宁宿徐高速公路有限公司 | Microwave heating repairing method and microwave heating device for expressway |
| CN115477517A (en) * | 2022-09-27 | 2022-12-16 | 山东省公路桥梁建设集团有限公司 | Highway disease repairing material and repairing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317319A (en) * | 1997-05-15 | 1998-12-02 | Nichireki Co Ltd | Heating device for repairing pavement structure head section, and repairing method using heating device |
| CN2677437Y (en) * | 2004-01-18 | 2005-02-09 | 王博涵 | Combined road repairing machine for bituminous pavement |
| CN101736681A (en) * | 2009-11-20 | 2010-06-16 | 江苏淮安威拓公路养护设备有限公司 | Method for repairing asphalt mixture roadbed at periphery of walling crib of inspection shainspection shaft by microwave heating |
| CN103013144A (en) * | 2012-12-24 | 2013-04-03 | 中交第一公路勘察设计研究院有限公司 | In-situ warm-mixing regenerant for bituminous pavement, preparation method and construction method of in-situ warm-mixing regenerant |
-
2014
- 2014-10-30 CN CN201410598727.4A patent/CN104313970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317319A (en) * | 1997-05-15 | 1998-12-02 | Nichireki Co Ltd | Heating device for repairing pavement structure head section, and repairing method using heating device |
| CN2677437Y (en) * | 2004-01-18 | 2005-02-09 | 王博涵 | Combined road repairing machine for bituminous pavement |
| CN101736681A (en) * | 2009-11-20 | 2010-06-16 | 江苏淮安威拓公路养护设备有限公司 | Method for repairing asphalt mixture roadbed at periphery of walling crib of inspection shainspection shaft by microwave heating |
| CN103013144A (en) * | 2012-12-24 | 2013-04-03 | 中交第一公路勘察设计研究院有限公司 | In-situ warm-mixing regenerant for bituminous pavement, preparation method and construction method of in-situ warm-mixing regenerant |
Non-Patent Citations (1)
| Title |
|---|
| 郑志涛等: "吸波材料在沥青路面微波热再生快速养护中的应用", 《中外公路》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192712A (en) * | 2016-07-22 | 2016-12-07 | 西安电子科技大学 | Bituminous paving microwave heating means on the spot based on electromagnetism Meta Materials |
| CN106192712B (en) * | 2016-07-22 | 2018-08-21 | 西安电子科技大学 | Bituminous paving microwave based on electromagnetism Meta Materials heating means on the spot |
| CN110820506A (en) * | 2019-11-06 | 2020-02-21 | 江苏宁宿徐高速公路有限公司 | Microwave heating repairing method and microwave heating device for expressway |
| CN115477517A (en) * | 2022-09-27 | 2022-12-16 | 山东省公路桥梁建设集团有限公司 | Highway disease repairing material and repairing method |
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Application publication date: 20150128 |