CN100389237C - Intelligent hot repair process of asphalt road surface by microwave heating - Google Patents
Intelligent hot repair process of asphalt road surface by microwave heating Download PDFInfo
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- CN100389237C CN100389237C CNB2005101228389A CN200510122838A CN100389237C CN 100389237 C CN100389237 C CN 100389237C CN B2005101228389 A CNB2005101228389 A CN B2005101228389A CN 200510122838 A CN200510122838 A CN 200510122838A CN 100389237 C CN100389237 C CN 100389237C
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Abstract
The present invention relates to a hot repair technological process method for break positions of asphalt road surfaces, which bases on an intelligent hot repair process of the asphalt road surfaces by microwave heating; the present invention particularly relates to an intelligent hot repair technological method basing on the microwave heating. The method comprises a process step a of the measurement and the feedback for the break positions to be broken and temperature, a process step b of the detection and the feedback for the break positions to be repaired, a process step c of determining the heating zone and the heating time of a heating plate and the quality of mixture of filled asphalt, a process step d for spraying atomizing emulsified asphalt, a process step e for intermission heating or scanning heating and the control for the intermission heating or the scanning heating and the supply of asphalt mixture in a process of waiting the repair of the break position, a process step f of the spraying of asphalt regenerating agent for the break positions to be repaired, a process step g for filling hot asphalt mixture and mixing for the break positions to be repaired, a process step h for compacting and flattening out asphalt mixture, and a process step i for taking a phone for the repaired the road surfaces and feedback. The present invention increases energy efficiency and increases flexible degree, and the heating control is easy.
Description
Technical field
The present invention relates to be used for Asphalt Pavement Damage hot repair process method, particularly based on the intelligent hot repair process method of heating using microwave.
Background technology
At present, for the regular maintenance repairing of flexible pavement, generally adopt traditional cold repair compensating method to safeguard, i.e. old asphalt pavement after the hot asphalt mixture filling cutting that employing is mixed and stirred is through roller-compaction.This job practices, labour intensity is big, and efficient is low, the maintenance cost height, and owing to there is cold and hot seam problem, the pavement life after the repairing is not long.At present comparatively popular is to adopt far infrared heating technology that flexible pavement is carried out the on-site heat regeneration maintenance, but the difficult point of flexible pavement on-site heat regeneration technology is that pitch begins to soften when being heated to more than 100 degree centigrade, its performance will sharply descend after surpassing uniform temperature, and the coking phenomenon occur.Because far infrared heating technology belongs to the conduction of heat mode of heating, heat penetration is restricted, when adopting far-infrared technique that flexible pavement is carried out on-site heat regeneration, may occur that coking has appearred in flexible pavement top layer and nexine does not also have the phenomenon of fusion, therefore the pavement quality grade that adopts this method to repair will can not get effective assurance.Exist simultaneously and need expend a large amount of combustion gas, the rehabilitation cost height produces smog, problem of environment pollution caused.
For improving hot repair process; reduce cost; raise the efficiency and protect environment; some new hot patching process and equipment have been developed in recent years; as adopt microwave heating technique that flexible pavement is carried out on-site heat regeneration; heating using microwave belongs to the hot mode of heating of volume, have heating rapidly, penetrate dark and uniformity, control characteristics timely.In the process of heating using microwave, pitch can not burn, and aggregates can produce heat and heat is passed to the pitch material.As long as there is microwave to produce, this heating process will continue.
More domestic relevant patent introductions utilize microwave that flexible pavement is carried out maintenance, though all be to adopt the microwave energy road pavement to heat, but be to carry out the integral body heating mostly according to the heating panel area size of equipment road pavement disease own, and unresolvedly must wait to determine heating process, and implement to be controlled according to different pitches label, environment temperature, disease size.Thereby still exist energy utilization rate low, the heating degree of flexibility little, add thermal control mainly according to problems such as operating personnel's experiences.
Summary of the invention
Technical problem: the objective of the invention is to solve that the existing energy utilization rate of utilizing microwave heating technique that Asphalt Pavement Damage is repaired existence is low, degree of flexibility is little, add the shortcoming that thermal control is difficult for, a kind of intelligent hot repair process of asphalt road surface by microwave heating is provided, this technology provides according to environment temperature and disease size determines heat time heating time, determine the heating region of heating panel and the bituminous mixture of required filling according to disease size, thereby improve energy efficiency, increase degree of flexibility and be easy to add the hot repair process of thermal control.
Technical scheme: the flexible pavement intelligent hot repair process that the present invention is based on heating using microwave, be characterized in, comprise and wait to repair disease temperature survey and feedback operation a, wait to repair disease condition detection and feedback operation b, intelligence is determined the heating panel heating region, heat time heating time and need filled bitumen mixture quality operation c, spray atomizing mulseal operation d, wait to repair disease intermittently or the scanning heating with control with need filled bitumen compound operation e, wait to repair disease and spray bitumen regenerant operation f, waiting to repair disease fills hot asphalt mixture and mixes and stirs operation g, compacting flattens waits to repair the bituminous mixture operation h of disease, takes and repairs good pavement image and feedback operation i.
Describedly wait to repair the disease temperature survey and feedback a comprises: a1, wait to repair the temperature of disease with temperature sensor measurement; A2, the temperature that measures is fed back to control centre, as one of initial parameter of determining heat time heating time.
Describedly wait to repair the disease condition detection and feedback operation b comprises: b1, use charge coupled device ccd, obtain the data signal of disease situation by video frequency collection card; The data signal of b2, the disease situation obtained feeds back to control centre, by the computing to this image, obtains the profile information of tested disease, and shows on touch-screen, as the initial parameter of operation c.
Described intelligence is determined heating panel heating region, heat time heating time and is needed filled bitumen mixture quality operation c to comprise: c1, the disease image that is obtained according to operation b, by operating personnel on touch-screen, draw required area heated and will being mapped to after it linearisation in the flexible pavement microwave heating plate, the heating region and the power output of definite heating panel thus; C2, repair the disease temperature and the required temperature of molten asphalt is determined heat time heating time according to measured the treating of power output, operation a of heating panel; C3, according to the disease image that operation b is obtained, convert out the quality of asphalt mixtures of waiting to repair the required filling of disease by control centre.
Described sprinkling atomizing mulseal operation d comprises: d1, spray the atomizing mulseal to the filled bitumen compound; D2, spray the atomizing mulseal to waiting to repair the disease road surface.
Described filled bitumen compound and wait to repair disease intermittently or the scanning heating comprise with control operation e: e1, utilize vehicle-mounted bituminous mixture heater to require temperature to will the filled bitumen compound carrying out heating intermittence and be controlled at; E2, treat with the flexible pavement microwave heating plate and to repair the disease road surface and carry out heating at intermittence and control, make it to melt; E3, when the disease area is big, adopt the scanning mode of heating to heat.
Describedly wait to repair disease and spray mulseal operation f and comprise: f1, treat the inside of repairing disease and spray mulseal.
Described wait to repair disease fill hot asphalt mixture and mix and stir operation g:g1, the filling temperature reaches the hot asphalt mixture about 165 ℃; G2, new old asphalt mixture is mixed and stirred; G3, compound is concordant along the edge arrangement of repairing the hole, hole rakes uncompacted new old asphalt mixture surface gently, and a little more than former road surface.
Described compacting flattens and waits that the bituminous mixture operation h that repairs disease comprises: h1, with vehicle-mounted road roller piecemeal gradation compacting pressing hot asphalt mixture, every each compacting has certain degree of overlapping when flattening, and have certain overlappingly with former road surface, make the road surface become smooth closely knit.
The pavement image operation i that described shooting is repaired comprises: i1, take to repair good pavement image with camera; I2, give control centre with the image feedback of taking.
The above-mentioned flexible pavement hot repair process based on heating using microwave, wherein, described sprinkling atomizing mulseal operation d its objective is the ability that improves the filled bitumen compound and wait to repair the Asphalt Absorption microwave energy in the disease, improves the efficiency of heating surface of heating using microwave.
Above-mentioned flexible pavement hot repair process based on heating using microwave, wherein, described filled bitumen compound and wait to repair disease and intermittently heat and control operation e, intermittently the purpose of heating is to make bituminous mixture heat uniformity more, the purpose of scanning heating is to satisfy intermittently heating and vehicle-mounted power, and when heating region was whole heating panel, employing line scanning mode started that magnetron heats on the heating panel, being heated evenly property of repairing disease bituminous mixture such as realization reduce vehicle-mounted power requirement.
Beneficial effect: the present invention compared with prior art has tangible advantage and effect:
1, based on the flexible pavement hot repair process of heating using microwave, reduced cost, improved efficient and protected environment;
2, based on research to microwave heating asphalt mixture mechanism, before adding hot asphalt mixture, spray the atomizing mulseal, increase the ability that bituminous mixture absorbs microwave energy, improved heating using microwave efficient;
3, environment temperature and disease situation are carried out Intelligent Measurement, intelligence is determined heating panel heating region and heat time heating time, has improved energy utilization rate effectively;
4, based on research to microwave heating asphalt mixture mechanism, adopt intermittently or the scanning heating means, improved the uniformity uniformity that bituminous mixture is heated, reduce vehicle-mounted power requirement;
5, the bituminous mixture of the required filling of equity repairing disease carries out intelligence computation, with how many how many material of material heating, with heating with usefulness, has saved the energy, has improved stock utilization;
6, the image taking before disease is repaired after Intelligent Measurement and the repairing can be used as effective foundation of monitoring and assessing repair quality and road behavior in service;
Description of drawings
Fig. 1 is based on the intelligent hot repair process schematic flow sheet of heating using microwave.
Have among the above figure: wait to repair disease temperature survey and feedback operation a, wait to repair disease condition detection and feedback operation b, intelligence is determined the heating panel heating region, heat time heating time and need filled bitumen mixture quality operation c, spray atomizing mulseal operation d, wait to repair disease intermittently or the scanning heating with control with need filled bitumen compound operation e, wait to repair disease and spray bitumen regenerant operation f, waiting to repair disease fills hot asphalt mixture and mixes and stirs operation g, compacting flattens waits to repair the bituminous mixture operation h of disease, takes and repairs good pavement image and feedback operation i.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
In conjunction with the accompanying drawings 1, intelligent hot repair process based on heating using microwave, comprise and wait to repair disease temperature survey and feedback operation a, wait to repair disease condition detection and feedback operation b, determine the heating panel heating region, heat time heating time and need filled bitumen mixture quality operation c, spray atomizing mulseal operation d, filled bitumen compound and wait to repair disease intermittently or scanning heating and control operation e, wait to repair disease and spray bitumen regenerant operation f, waiting to repair disease fills hot asphalt mixture and mixes and stirs operation g, compacting flattens waits to repair the bituminous mixture operation h of disease, takes and repairs good pavement image and feedback operation i.
Wait to repair the disease temperature survey and feedback a comprises: a1, wait to repair the temperature of disease with temperature sensor measurement; A2, the temperature that measures is fed back to control centre, as one of initial parameter of determining heat time heating time.
Wait to repair the disease condition detection and feedback operation b comprises: b1, use charge coupled device ccd, obtain the data signal of disease situation by video frequency collection card; The data signal of b2, the disease situation obtained feeds back to control centre, by the computing to this image, obtains the profile information (representing with pixel value) of tested disease, and shows on touch-screen, as the initial parameter of operation c.
Intelligence is determined heating panel heating region, heat time heating time and is needed filled bitumen mixture quality operation c to comprise:
C1, the disease image that is obtained according to operation b are by operating personnel draw on touch-screen required area heated and will being mapped to after it linearisation in the flexible pavement microwave heating plate, the heating region and the power output of definite heating panel thus; C2, repair the disease temperature and the required temperature of molten asphalt is determined heat time heating time according to measured the treating of power output, operation a of heating panel; C3, according to the disease image that operation b is obtained, convert out the quality of asphalt mixtures of waiting to repair the required filling of disease by control centre.
Spraying atomizing mulseal operation d comprises: d1, spray the atomizing mulseal to the filled bitumen compound; D2, spray the atomizing mulseal to waiting to repair disease.
The filled bitumen compound and wait to repair disease intermittently or the scanning heating comprise with control operation e: e1, utilize vehicle-mounted bituminous mixture heater to require temperature to will the filled bitumen compound carrying out heating intermittence and be controlled at; E2, treat with the flexible pavement microwave heating plate and to repair the disease road surface and carry out heating at intermittence and control, make it to melt; E3, when the disease area is big, adopt the scanning mode of heating to heat.
Waiting to repair disease sprays mulseal operation f and comprises: f1, treat the inside of repairing disease and spray mulseal.
Wait to repair disease fill hot asphalt mixture and mix and stir operation g:g1, the filling temperature reaches the hot asphalt mixture about 165 ℃; G2, new old asphalt mixture is mixed and stirred; G3, compound is concordant along the edge arrangement of repairing the hole, hole rakes uncompacted new old asphalt mixture surface gently, and a little more than former road surface.
Compacting flattens waits that the bituminous mixture operation h that repairs disease comprises: h1, with vehicle-mounted road roller piecemeal gradation compacting pressing hot asphalt mixture, every each compacting has certain degree of overlapping when flattening, and have certain overlappingly with former road surface, make the road surface become smooth closely knit.
Take repairing good pavement image operation i comprises: i1, take with camera and to repair good pavement image; I2, give control centre with the image feedback of taking.
Intelligent hot repair process based on heating using microwave of the present invention be based upon below by on the basis that confirmed of experiment: 1) heating using microwave is the volume thermaltransmission mode, the microwave energy of frequency 2450MHz permeates the degree of depth of the about 12cm of flexible pavement effectively and the situation that overheated inside, flexible pavement top layer is not heated can not occur, and it is feasible therefore repairing pavement disease under the prerequisite of not damaging the asphalt surface quality; 2) microwave heating asphalt mixture can improve the adhesive force between aggregates and improve the ability that it resists the damage by water evil; 3) detect by the modern times and control technology effectively the road pavement disease detect and classify and repair technology is carried out effectively reliably controlling; 4) for the bituminous mixture of low-k, the heating initial stage adds an amount of atomizing mulseal (moisture) and can effectively improve the ability that it absorbs microwave, moisture will be overflowed because of the material internal barometric gradient forms when heating finishes, and also improve its waterproof penetrating power; 5) bituminous mixture is that a slow temperature becomes dielectric constant material, raises with temperature, and its dielectric constant takes place to change a little, adopts scanning or The intermittent heating, can effectively improve to be heated the being heated evenly property of bituminous mixture and the efficiency of heating surface; 6) bituminous mixture has good lubrication under the high temperature about 165 ℃, at the scene bituminous mixture is heated to 165 ℃ and in time roll, and they are rearranged under the effect of pressure at right angle and becomes closely knit.
Claims (1)
1. the intelligent hot repair process of an asphalt road surface by microwave heating is characterized in that processing step is:
A. wait to repair disease temperature survey and feedback:
A1. wait to repair the temperature of disease with temperature sensor measurement;
A2. the temperature that measures is fed back to control centre, as one of initial parameter of determining heat time heating time;
B. wait to repair disease condition detection and feedback:
B1. use charge coupled device ccd, obtain the data signal of disease situation by video frequency collection card;
The data signal of the disease situation of b2. obtaining feeds back to control centre, by the computing to this image, obtains the profile information of tested disease, and shows on touch-screen, as the initial parameter of subsequent processing;
C. intelligence is determined heating panel heating region, heat time heating time and is needed the filled bitumen mixture quality:
C1. according to the disease image that above operation b obtained, by operating personnel on touch-screen, draw required area heated and will being mapped to after it linearisation in the flexible pavement microwave heating plate, the heating region and the power output of definite heating panel thus;
C2. repair the disease temperature according to measured the treating of power output, operation a of heating panel and the required temperature of molten asphalt is determined heat time heating time;
C3. the disease image that is obtained according to operation b is converted out the quality of asphalt mixtures of waiting to repair the required filling of disease by control centre;
D. spray the atomizing mulseal:
D1. spray the atomizing mulseal to the filled bitumen compound;
D2. to waiting that repairing disease sprays the atomizing mulseal;
E. filled bitumen compound and treating is repaired disease and is carried out intermittence or scanning and heat and add thermal control:
E1. utilize vehicle-mounted bituminous mixture heater to require temperature to will the filled bitumen compound carrying out heating intermittence and be controlled at;
E2. treat repairing disease road surface with the flexible pavement microwave heating plate and carry out heating at intermittence and control, make it fusing;
E3. it is big to work as the disease area, adopts the scanning mode of heating to heat;
F. wait that repairing disease sprays bitumen regenerant: treat the inside of repairing disease and spray mulseal,
G. waiting to repair disease fills hot asphalt mixture and mixes and stirs:
G1. the filling temperature reaches 165 ℃ hot asphalt mixture;
G2. new old asphalt mixture is mixed and stirred;
G3. compound is concordant along the edge arrangement of repairing the hole, hole, raked gently in uncompacted new old asphalt mixture surface, and a little more than former road surface;
H. compacting flattens and to wait to repair the bituminous mixture of disease: flatten hot asphalt mixture with vehicle-mounted road roller piecemeal gradation compacting, certain degree of overlapping is arranged during every each compacting pressing, and have certain overlappingly with former road surface, make the road surface become smooth closely knit;
I. take and repair good pavement image and feedback:
I1. take with camera and repair good pavement image;
I2. give control centre with the image feedback of taking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101228389A CN100389237C (en) | 2005-12-06 | 2005-12-06 | Intelligent hot repair process of asphalt road surface by microwave heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101228389A CN100389237C (en) | 2005-12-06 | 2005-12-06 | Intelligent hot repair process of asphalt road surface by microwave heating |
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| Publication Number | Publication Date |
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| CN1776102A CN1776102A (en) | 2006-05-24 |
| CN100389237C true CN100389237C (en) | 2008-05-21 |
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| CNB2005101228389A Expired - Fee Related CN100389237C (en) | 2005-12-06 | 2005-12-06 | Intelligent hot repair process of asphalt road surface by microwave heating |
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Cited By (1)
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| RU2783131C1 (en) * | 2021-11-24 | 2022-11-09 | Федеральное государственное казенное военное образовательное учреждение высшегообразования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) | Method for processing and restoring the working properties of joints of rigid airfield and road surfaces |
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| GB2563640B (en) | 2017-06-21 | 2022-08-17 | United Utilities Plc | Pavement Reinstatement |
| CN107254828B (en) * | 2017-08-07 | 2022-08-23 | 江苏集萃道路工程技术与装备研究所有限公司 | Microwave in-situ heat regeneration complete set unit and construction process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2783131C1 (en) * | 2021-11-24 | 2022-11-09 | Федеральное государственное казенное военное образовательное учреждение высшегообразования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) | Method for processing and restoring the working properties of joints of rigid airfield and road surfaces |
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