CN102776813B - Bituminous pavement preventive maintenance method based on swinging lane markings - Google Patents
Bituminous pavement preventive maintenance method based on swinging lane markings Download PDFInfo
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- CN102776813B CN102776813B CN201210302654.0A CN201210302654A CN102776813B CN 102776813 B CN102776813 B CN 102776813B CN 201210302654 A CN201210302654 A CN 201210302654A CN 102776813 B CN102776813 B CN 102776813B
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- traffic lane
- road surface
- lane line
- swinging
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Abstract
The invention discloses a bituminous pavement preventive maintenance method based on swinging lane markings, which overcomes the shortcomings including long construction period and high construction cost of the existing roadway maintenance methods. The method is carried out from a traffic engineering perspective, swings construction partition positions of traffic lane markings at adequate time and amount, realizes guiding of re-distribution of driving wheel marks of vehicles, and further achieves the aims of improving road surface effective utilization, delaying development of road surface diseases and prolonging the service life of the road surface. The bituminous pavement preventive maintenance method based on swinging lane markings has the advantages of being low in cost, fast in construction speed, energy-conservation and environment-protection.
Description
Technical field
The present invention relates to a kind of bituminous pavement preventive maintenance method, be specifically related to a kind of bituminous pavement preventive maintenance method based on swinging traffic lane line, the method is applicable to the preventive maintenance of asphalt pavement of highway.
Background technology
Flexible pavement has that driving comfort level is good, and the construction period is short, simple maintenance, advantages such as suitable stage construction and being used widely.At present, the most speedways of China are selected flexible pavement, and ratio reaches more than 90%.But, under the vehicular load of flexible pavement and the comprehensive function of environmental factor, easily produce following disease: the diseases such as rut, crack, hole groove.These diseases all can reduce Pavement Condition and service level, shorten service life of road surface.
In order to ensure the orderly operation efficiently of vehicle safety, the common employing of speedway is executed a stroke traffic lane line and is carried out canalized traffic management, and big or small vehicle, speed vehicle use Correct Lane.But the canalization on road surface, causes axle for vehicle to be loaded in road surface transverse spatial distribution inhomogeneous, cause the cross direction profiles of pavement disease to have larger difference, wherein the disease at relatively-stationary wheel path place is particularly serious.In the time that wheel path has occurred that rut, crack, hole groove etc. destroy, on non-wheel path, there is not the disease phenomenon of respective degrees, reduced the effective rate of utilization on road surface, thereby caused greatly shorten the application life on road surface.
In order to extend the application life of road, the experts and scholars of research institution carry out Long Life Pavement research from optimization pavement design, improvement ground surface material on the one hand both at home and abroad, set about on the other hand from maintenance of surface technology, constantly explore maintenance of surface new technology.
But, the maintenance of surface technology of applying in China at present mostly absorbs from external introduction, is mainly that road pavement is carried out medium-capital overhauling, excavates or the existing road surface of milling, again surfacing material, or carry out the cover processing such as micro-table place, slurry seal, crushed stone sealing.Also have and adopt the recovery technique of carrying out carrying out again after rut filling cover for the serious express highway pavement of rut.Although existing maintenance of surface technology also can reach and improve pavement behavior, improves the object of Pavement Condition, exist cost compared with high, cycle compared with the shortcoming such as long, resource consumption is high, environment pollution is large, the close traffic time is grown.
Summary of the invention
Problem to be solved by this invention be to provide a kind of scientific and reasonable, maintenance cost is low, speed of application is fast, the New maintaining skill of bitumen surface protection of energy-conserving and environment-protective.This technology is from traffic engineering angle, without changing original road structure and material type, by flexible pavement traffic lane line is carried out to swinging of appropriate amplitude in good time, thereby correspondingly change the wheelpath of vehicle, vehicle wheel path is laterally redistributed on road surface, improve road surface effective rate of utilization, delay the development of pavement disease, and then reach the object of prolonging service life of pavement.
For solving the problems of the technologies described above, the present invention takes following technical solution:
Be suitable for provided by the present invention based on swing traffic lane line bituminous pavement preventive maintenance method treat maintenance road surface for being provided with on one side the band that stops in emergency, another is otherly provided with Intermediate Gray, and Intermediate Gray and stopping in emergency is at least provided with the asphalt pavement of highway in compact car track and heavy goods vehicles track between being with; In method, treating maintenance road surface is defined as follows: be positive direction along Intermediate Gray to the direction of the band that stops in emergency, bring to the direction of Intermediate Gray in the other direction along stopping in emergency; Treat to be provided with n track by (n+1) bar traffic lane line on maintenance road surface, and be followed successively by positive direction: first lane graticule, first lane, second lane graticule, second lane, third lane graticule to the n track, (n+1) traffic lane line, n is positive integer, and n >=2, method is carried out in the steps below:
Step 1, detects the rut degree of depth RD and the traffic lane line retro-reflecting coefficient RC that treat maintenance road surface, as RD>=10mm or RC≤80mcdlx
-1m
-2shi Jinhang step 2, otherwise this treats that maintenance road surface temporarily do not enable technical scheme of the present invention and carry out maintenance;
Step 2, measures the rut width W for the treatment of heavy goods vehicles track on maintenance road surface, and (n+1) bar traffic lane line is swung respectively, and the amplitude that swings of every traffic lane line is
swing direction and be positive direction, and then complete traffic lane line and swing for the first time;
Step 3, detects the traffic lane line retro-reflecting coefficient RC' that treats maintenance road surface after completing traffic lane line and swinging for the first time; As RC'≤80mcdlx
-1m
-2time, (n+1) bar traffic lane line after swinging is for the first time swung respectively, wherein, the amplitude that swings of first lane graticule is
swing direction in the other direction; The amplitude that swings of second lane graticule is
swing direction in the other direction; The amplitude that swings of other traffic lane lines is W, swings direction in the other direction; And then complete graticule for the second time and swing;
Step 4, " detects the traffic lane line retro-reflecting coefficient RC that treats maintenance road surface after completing traffic lane line and swinging for the second time; As RC "≤80mcdlx
-1m
-2time, Article 2 traffic lane line to the (n+1) the bar traffic lane line after swinging is for the second time swung respectively, wherein, the amplitude that swings of second lane graticule is
swinging direction is positive direction; The amplitude that swings of other traffic lane lines is
swinging direction is positive direction; Complete swinging for the third time of traffic lane line; So far, complete one of traffic lane line and swing the cycle;
Step 5, judges the application life for the treatment of maintenance road surface; When in the time that maintenance service life of road surface does not terminate, enter the next one and swing the cycle, repeating step one is to step 4; Otherwise, finish technical scheme of the present invention this treated to maintenance road surface carries out maintenance.
In above-mentioned steps five service life of road surface judge that detection evaluation result to treat maintenance Pavement Condition PQI is as foundation, in the time of PQI < 80, service life of road surface termination.
Compared with existing Preventive Maintenances of Asphalt Pavement, the present invention has following technical characterstic:
(1) method is easy, and short construction period is little to traffic interference, is convenient to implement;
(2) maintenance cost is low, can alleviate the problem that highway in China maintenance financing gap further expands;
(3), without changing original road structure and material type, energy-saving and emission-reduction, are the preventive maintenance new technologies of a kind of " resource-conserving " and " environmentally friendly ";
(4) method application of the present invention can reach the unification of social benefit, economic benefit and environmental benefit, has wide promotion prospect.
Brief description of the drawings
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Fig. 1 is schematic flow sheet of the present invention;
Fig. 2 is that traffic lane line of the present invention swings schematic diagram.
Detailed description of the invention
Traffic lane line has implementation and uses Correct Lane, and realizes the function separating between various vehicle, vehicle is had the effect of canalization constraint and guiding simultaneously.Due to constraint and the guiding function of traffic lane line to traffic flow, driving vehicle is substantially in single traffic lane central authorities, make the travel wheelmark position of vehicle in single track relatively fixing, thereby cause pavement disease (crack, rut and hole groove etc.) mainly to concentrate on the wheel path place of runway.
Design of the present invention is: in view of pavement disease mainly concentrates on vehicle wheel path place, therefore can draw position by the executing of traffic lane line that swings timely and appropriately road surface, the wheelmark redistribution of travelling of guiding traffick, thereby improve road surface effective rate of utilization, delay the development of pavement disease, and then reach the object of prolonging service life of pavement.
It should be noted that:
" traffic lane line swings " described in the present invention refers to draws again executing of traffic lane line, makes traffic lane line be offset certain distance in the direction of vertical road travel direction.When concrete enforcement, according to technical scheme of the present invention and carry out traffic lane line in conjunction with concrete speedway actual conditions and swing the general arrangement of scheme and draw relevant working drawing, when Specific construction with reference to " highway traffic safety facility construction technique normalizing " (JTCl71-2006) and " highway maintenance safety work code " (JTG H30-2004).
It is the side-play amount that relatively last time swung rear graticule position that traffic lane line described in the present invention swings amplitude.
Compact car track and heavy goods vehicles track related in the present invention refer to the track of specializing in corresponding vehicle Vehicle Driving Cycle that freeway traffic Warning Mark is clearly indicated.
The maintenance road surface for the treatment of that is suitable for the bituminous pavement preventive maintenance method based on swinging traffic lane line provided by the present invention is to be provided with the band that stops in emergency on one side, another other Intermediate Gray that is provided with, and Intermediate Gray and stop in emergency and be at least provided with the asphalt pavement of highway in compact car track and heavy goods vehicles track between band, for clearly showing the concrete steps of this method, definition is positive direction along Intermediate Gray to the direction of the band that stops in emergency, stop in emergency bring to Intermediate Gray direction in the other direction, described treating is provided with n track by (n+1) bar traffic lane line on maintenance road surface, and be followed successively by positive direction: first lane graticule, first lane, second lane graticule, second lane, third lane graticule to the n track, (n+1) traffic lane line, n is positive integer, and n >=2, with reference to figure 1 and Fig. 2, method is carried out in the steps below:
Step 1, detects rut degree of depth RD and traffic lane line retro-reflecting coefficient RC, as RD>=10mm or RC≤80mcdlx
-1m
-2shi Jinhang step 2, otherwise this treats that maintenance road surface temporarily do not enable technical scheme of the present invention and carry out maintenance;
Need analytic explanation: in the time of rut degree of depth RD < 10mm, normal driving is not had a significant effect; In the time of rut degree of depth RD>=10mm, the ponding in rainy day rut easily causes driving vehicle to produce neatly effect, jeopardizes traffic safety, and in addition, in the time that vehicle lane change is travelled, darker rut can increase the manipulation difficulty of driver to vehicle, reduction occupant's comfortableness; According to " road traffic marking quality requirement and detection method " (GB/T16311-2009), as traffic lane line retro-reflecting coefficient RC≤80mcdlx
-1m
-2time, graticule has reached application life, night, visibility did not meet safe driving requirement, can not guide well driving at night, need to again execute and draw, it is most economical now implementing that graticule swings, therefore, from travel safety, comfortableness, handling and engineering economy angle, step 1 is rut degree of depth 10mm or traffic lane line retro-reflecting coefficient 80mcdlx
-1m
-2be defined as the trigger value that traffic lane line swings.
Step 2, the rut width W in the heavy goods vehicles track on maintenance road surface is treated in measurement, and (n+1) bar traffic lane line is swung respectively, the amplitude that swings of every traffic lane line is
swing direction and be positive direction, thereby make wheel roll a crest of rut, and then complete traffic lane line and swing for the first time;
Step 3, detects the traffic lane line retro-reflecting coefficient RC' that treats maintenance road surface after completing traffic lane line and swinging for the first time; As RC'≤80mcdlx
-1m
-2time, (n+1) bar traffic lane line after swinging is for the first time swung respectively, wherein, the amplitude that swings of first lane graticule is
swing direction in the other direction, swinging rear relatively initial graticule position is 0; The amplitude that swings of second lane graticule is
swinging direction is in the other direction, swings rear relatively initial graticule position to be
the amplitude that swings of other traffic lane lines is W, swings direction in the other direction, swings rear relatively initial graticule position to be
and then complete graticule for the second time and swing;
Need analytic explanation:
Be generally heavy goods vehicles with the vehicle stopping in emergency with travelling in adjacent track, the destruction of its road pavement is the most serious, preferentially meet it and swing condition, make to swing rear wheel and roll another crest of rut, therefore, the amplitude that swings for the second time of other traffic lane lines except first lane graticule and second lane graticule is W, swings direction in the other direction;
In addition, conventionally between speedway first lane graticule and Intermediate Gray, only have the left side marginal strip of 0.5～0.75m, for ensureing traffic safety, this marginal strip can not compress, and first lane graticule does not just possess the condition swinging to opposite direction like this;
And, the each track of speedway is wide, be 3.75m, wherein large car car body is wider, wheelspan is larger, and compact car car body is narrower, wheelspan is less, and correlative study both at home and abroad shows in addition: in order to ensure normal driving, outside Large Vehicle Lane does not possess contractive condition, and appropriate compression inner side Light-duty vehicle Lane width does not affect it and normally drives a vehicle, therefore, determinedly in this step swing amplitude and do not affect the traffic safety of road.
Step 4, " detects the traffic lane line retro-reflecting coefficient RC that treats maintenance road surface after completing traffic lane line and swinging for the second time; As RC "≤80mcdlx
-1m
-2time, Article 2 traffic lane line to the (n+1) the bar traffic lane line after swinging is for the second time swung respectively, wherein, the amplitude that swings of second lane graticule is
swinging direction is positive direction; The amplitude that swings of other traffic lane lines is
swinging direction is positive direction; Swinging the relatively initial graticule of rear all traffic lane lines position is 0, and all traffic lane lines are kept in the center, and then complete swinging for the third time of traffic lane line; So far, complete one of traffic lane line and swing the cycle.Test shows: after swinging through twice, former wheel path rut both sides ridge sinks gradually under wheel rolls; And former wheel path rut sink position in both sides horizontal push effect recover gradually, at this moment, pavement track band has been tending towards recovering smooth, therefore, again swings all traffic lane lines are kept in the center;
Step 5, judges the application life for the treatment of maintenance road surface; When in the time that maintenance service life of road surface does not terminate, enter the next one and swing the cycle, repeating step one is to step 4; Otherwise, finish technical scheme of the present invention this treated to maintenance road surface carries out maintenance.
The service life of road surface termination face badly broken that shows the way, adopts routine servicing method can not make road surface recover good working order, can not ensure good service function, need to overhaul.General road application life judge that detection evaluation result to treat maintenance Pavement Condition PQI is as foundation; In the time of Pavement Condition PQI < 80, road surface breakage is serious, now thinks that service life of road surface terminates.
In physics, the definition in " cycle " of " pendulum " is: the time that completes once vibration entirely (swing, keep in the center for 3 times).Imitative this, graticule swung to period definition be: complete once the number of times that entirely swings (swing for 3 times, graticule is kept in the center).
In method, pavement track depth detection method with reference to " asphalt pavement rut method of testing " (T0973-2008); The reference of traffic lane line retro-reflecting coefficient detection method: " road traffic marking quality requirement and detection method " (GB/T16311-2009); Pavement track method for measuring width with reference to " asphalt pavement rut method of testing " (T0973-2008); Pavement Condition detects assessment method with reference to " highway technology situation evaluation criteria " (JTG H20-2007).
Embodiment:
Xi'an is around city speedway, and 80 kilometers of total lengths are totally-enclosed, full-overpass, and by two-way six-lane type design, 120 kilometers/hour of design speeds, are the main hinges of Shaanxi Province's modern highway network completely.Xi'an is divided into two sections, south, north around city speedway, wherein around 34 kilometers of north of the city section total lengths, arise from Fan family village grade separation, terminate in earflaps Liu grade separation, put into operation in October, 1998, was open to the traffic in 2000, full section width of subgrade is 35 meters, road surface is asphalt concrete pavement, carries out canalized traffic, and vehicle strictly uses Correct Lane.
After being open to the traffic, because the traffic volume increases year by year, solid axle carries vehicle and increases gradually, in addition Summer High Temperature weather, make this runway wheel path position, part section, expressway occur comparatively significantly crack, rut, wherein crack exists only in asphalt concrete pavement, comprise load type longitudinal crack and non-loaded type transverse crack, the rut degree of depth 1～3cm is not etc.
Xi'an becomes mainly to comprise around speedway single width road surface, city transverse set: Intermediate Gray, fast, runway (compact car track+heavy goods vehicles track), urgent driving band, single width road surface overall width is 15.80m, wherein left side marginal strip width 0.75m, fast width 3.90m, Light-duty vehicle Lane width 3.75m, heavy lane width 3.90m, the bandwidth of stopping in emergency 3.50m, possesses the implementation condition of swinging.
In July, 2007, through Field Research, select Xi'an around the straight section of city speedway north section 5Km as test section (pile No. K18+000～K23+000).For implementation result is verified, with reference to " highway technology situation evaluation criteria " (JTG H20-2007), the pavement behavior in this test section and adjacent section is detected to evaluation, Pavement Condition indices P QI is " excellent ".
" cross section chi method of testing " road pavement rut degree of depth RD in employing " asphalt pavement rut method of testing " (T0973-2008) detects; Detection method in employing " road traffic marking quality requirement and detection method " (GB/T16311-2009) detects traffic lane line retro-reflecting coefficient RC.Through Site Detection, the pavement rutting depth of this test section and the average of retroreflection coefficient of marked line are respectively: RD=11.5mm > 10mm, RC=85mcdlx
-1m
-2>80mcdlx
-1m
-2, wherein pavement rutting depth has reached and has swung activation threshold value, can implement traffic lane line and swing;
" cross section, road surface instrument method " in employing " asphalt pavement rut method of testing " (T0973-2008) externally stresses the pavement track width in type track to be measured, and calculates the average rut width in road surface and is: W ≈ 100cm;
According to technical scheme of the present invention, the traffic lane line of test section is swung first: 4 traffic lane lines are swung respectively, and the amplitude that swings of every traffic lane line is
swing direction and be positive direction;
After this every 6 months, traffic lane line retro-reflecting coefficient is detected.
In July, 2008, the traffic lane line retro-reflecting coefficient recording after swinging is first: RC'=77mcdlx
-1m
-2< 80mcdlx
-1m
-2, reach secondary and swing activation threshold value, can implement graticule and swing for the second time;
According to technical scheme of the present invention, the traffic lane line of test section is carried out to secondary and swing: 4 traffic lane lines are swung respectively, and the amplitude that swings of first lane graticule is
the amplitude that swings of second lane graticule is
the amplitude that swings of other two traffic lane lines is W=100cm; Swinging direction is in the other direction;
After this every 6 months, traffic lane line retro-reflecting coefficient is detected.
In July, 2009, traffic lane line retro-reflecting coefficient RC "=68mcdlx
-1m
-2< 80mcdlx
-1m
-2, reach three times and swing activation threshold value, can implement graticule and swing for the third time.
According to technical scheme of the present invention, the traffic lane line of test section is carried out to three times and swing: the amplitude that swings of second lane graticule is
swinging direction is positive direction; The amplitude that swings of third lane graticule, Four-Lane Road graticule is
swinging direction is positive direction.
So far, all traffic lane lines are kept in the center, and complete that one of traffic lane line is complete swings the cycle.
In August, 2009, the pavement behavior in test section and adjacent section is carried out again detecting evaluation, and be analyzed.Result shows: the Pavement Condition indices P QI of this test section is " good ", do not implement this maintenance process adjacent section Pavement Condition indices P QI for " in ", pavement behavior is than what a grade of adjacent section of not implementing this maintenance process.Visible use method and technology of the present invention can extend the application life of flexible pavement.
Claims (2)
1. the bituminous pavement preventive maintenance method based on swinging traffic lane line, be suitable for the method treat maintenance road surface for being provided with on one side the band that stops in emergency, another is otherly provided with Intermediate Gray, and Intermediate Gray and stopping in emergency is at least provided with the asphalt pavement of highway in compact car track and heavy goods vehicles track between being with; In method, treating maintenance road surface is defined as follows: be positive direction along Intermediate Gray to the direction of the band that stops in emergency, bring to the direction of Intermediate Gray in the other direction along stopping in emergency; Treat to be provided with n track by (n+1) bar traffic lane line on maintenance road surface, and be followed successively by positive direction: first lane graticule, first lane, second lane graticule, second lane, third lane graticule to the n track, (n+1) traffic lane line, n is positive integer, and n >=2, method is carried out in the steps below:
Step 1, detects the rut degree of depth RD and the traffic lane line retro-reflecting coefficient RC that treat maintenance road surface, as RD>=10mm or RC≤80mcdlx
-1m
-2shi Jinhang step 2, otherwise this treats that maintenance road surface temporarily do not enable technical scheme of the present invention and carry out maintenance;
Step 2, measures the rut width W for the treatment of heavy goods vehicles track on maintenance road surface, and (n+1) bar traffic lane line is swung respectively, and the amplitude that swings of every traffic lane line is
swing direction and be positive direction, and then complete traffic lane line and swing for the first time;
Step 3, detects the traffic lane line retro-reflecting coefficient RC ' that treats maintenance road surface after completing traffic lane line and swinging for the first time; As RC '≤80mcdlx
-1m
-2time, (n+1) bar traffic lane line after swinging is for the first time swung respectively, wherein, the amplitude that swings of first lane graticule is
swing direction in the other direction; The amplitude that swings of second lane graticule is
swing direction in the other direction; The amplitude that swings of other traffic lane lines is W, swings direction in the other direction; And then complete graticule for the second time and swing;
Step 4, detects the traffic lane line retro-reflecting coefficient RC ＂ that treats maintenance road surface after completing traffic lane line and swinging for the second time; As RC ＂≤80mcdlx
-1m
-2time, Article 2 traffic lane line to the (n+1) the bar traffic lane line after swinging is for the second time swung respectively, wherein, the amplitude that swings of second lane graticule is
swinging direction is positive direction; The amplitude that swings of other traffic lane lines is
swinging direction is positive direction; Complete swinging for the third time of traffic lane line; So far, complete one of traffic lane line and swing the cycle;
Step 5, judges the application life for the treatment of maintenance road surface; When in the time that maintenance service life of road surface does not terminate, enter the next one and swing the cycle, repeating step one is to step 4; Otherwise, finish technical scheme of the present invention this treated to maintenance road surface carries out maintenance.
2. the bituminous pavement preventive maintenance method based on swinging traffic lane line as claimed in claim 1, it is characterized in that, in step 5, service life of road surface judges that detection evaluation result to treat maintenance Pavement Condition PQI is as foundation, in the time of PQI < 80, service life of road surface termination.
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|---|---|---|---|
| CN201210302654.0A CN102776813B (en) | 2012-08-23 | 2012-08-23 | Bituminous pavement preventive maintenance method based on swinging lane markings |
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|---|---|---|---|
| CN201210302654.0A CN102776813B (en) | 2012-08-23 | 2012-08-23 | Bituminous pavement preventive maintenance method based on swinging lane markings |
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| CN102776813B true CN102776813B (en) | 2014-07-30 |
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| CN106570208A (en) * | 2016-09-28 | 2017-04-19 | 深圳大学 | Road running system |
| CN109271663A (en) * | 2018-08-01 | 2019-01-25 | 北京航空航天大学 | A kind of urban road maintenance policy optimization method based on main body emulation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120010894A (en) * | 2010-07-27 | 2012-02-06 | 주식회사 바우 컨설탄트 | Reversible lane operating system for tunnel |
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| JP2000008335A (en) * | 1998-06-25 | 2000-01-11 | Mitsubishi Heavy Ind Ltd | Lane changing guide system for road |
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|---|---|---|---|---|
| KR20120010894A (en) * | 2010-07-27 | 2012-02-06 | 주식회사 바우 컨설탄트 | Reversible lane operating system for tunnel |
Non-Patent Citations (4)
| Title |
|---|
| New Concept of Prolonging the Service Life-Span for Asphalt Pavement of Expressways;Zhi WANG;《Second International Conference on Intelligent Computation Technology and Automation》;20091231;第223-226页 * |
| Zhi WANG.New Concept of Prolonging the Service Life-Span for Asphalt Pavement of Expressways.《Second International Conference on Intelligent Computation Technology and Automation》.2009,第223-226页. |
| 公路路面养护新思路——标线摆移法;王志等;《中外公路》;20100831;第30卷(第4期);第99-102页 * |
| 王志等.公路路面养护新思路——标线摆移法.《中外公路》.2010,第30卷(第4期),第99-102页. |
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