CN105528684A - Determination method for multi-construction operation area relevance of city road - Google Patents

Determination method for multi-construction operation area relevance of city road Download PDF

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CN105528684A
CN105528684A CN201610067293.4A CN201610067293A CN105528684A CN 105528684 A CN105528684 A CN 105528684A CN 201610067293 A CN201610067293 A CN 201610067293A CN 105528684 A CN105528684 A CN 105528684A
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work zone
many work
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严亚丹
王东炜
朱苗苗
赵湘育
李辉
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Zhengzhou University
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Abstract

The invention belongs to the road management and control technology field, and particularly relates to the determination method for multi-construction operation area relevance of a city road. The determination method comprises the step of determining the type of the multi-construction working area, wherein the multi-construction operation area types comprise a linear multi-construction operation area, an intersection type multi-construction working area and a parallel multi-construction operation area; if opposite directions of two or more than two construction working area are linear, the two construction areas are on the same road, have same road occupation mode and the distance is smaller than 1000m, the construction areas are linear multi-construction operation areas; if directions of two or more than two construction areas are intersected, the construction areas are intersection multi-construction operation areas; and if directions of two or more than two construction areas are parallel and the city road section is shared, the construction areas are parallel multi-construction operation areas. The invention provides basis to the road passage capacity calculation through determining the correlation of the multi-construction areas and provides a theory basis and scheme decision support to the city road construction operation traffic organization, and is simple, feasible and has important practical meaning.

Description

The defining method of a kind of urban road many work zone relevance
Technical field
The invention belongs to the technical field of road management and control, particularly relate to the defining method of a kind of urban road many work zone relevance.
Background technology
The enforcement of Communications construction project needs to arrange work zone on urban road.All point out in Shenzhen's " road occupying operation traffic safety facilities arranges technology and guides " and Beijing " road occupying operation traffic safety facilities arranges technical requirement ": in through street, before and after same section, the road occupying operation in different track should not be carried out simultaneously, when really needing to carry out road occupying operation simultaneously, operation area spacing should be not less than 1000m.And propose in arrangement and method for construction requires: to substitute as certain construction project or the road of split channel should not be arranged in the construction of same duration.
But in engineering practice, often there will be multiple road occupying construction operation and carry out, distance is less than the situation of 1000m, this is defined as the many work zone of urban road simultaneously.According in urban road network, the relative tertiary location factor of each work zone, many work zone can be divided into the many work zone of linear pattern, the many work zone of chiasma type and the many work zone of parallel type.Except the relation on Spatial Dimension, due to the difference that the difference of engineering construction phase length, construction stage divide, the variation feature of many work zone also in presentative time dimension.Show as when certain staged construction of a wherein work zone, place completes, its operation area pattern and size need with next stage construction and adjust, i.e. subsystem variation, thus cause the change of this total system of the many work zone of urban road.
For determining the relevance between each work zone, the defining method of a kind of urban road many work zone relevance is proposed, the calculating that can be road passage capability provides foundation, and is that urban road construction operation traffic organization is provided fundamental basis and program decisions support.
Summary of the invention
Object of the present invention solves the problem, and provides a kind of calculating for road passage capability and the traffic administration of road occupying construction period to establish the defining method of urban road many work zone relevance of quantitative basis.
In order to solve the problem, the technical solution used in the present invention is:
The defining method of a kind of urban road many work zone relevance, first the type of described many work zone is determined, the type of many work zone comprises the many work zone of linear pattern, the many work zone of chiasma type and the many work zone of parallel type, if the relative direction in direction, two or more work zone is linear, namely on a road, road occupying mode is identical, and distance is less than 1000m, be then the many work zone of linear pattern; If the direction of two or more work zone intersects, be then the many work zone of chiasma type; If the direction of two or more work zone is parallel, sharing urban road section, is then the many work zone of parallel type.
The defining method of a kind of urban road many work zone according to claim 1 relevance, when described many work zone are linear pattern many work zone, the defining method of linear pattern many work zone relevance, comprises the following steps:
(1) lay 2 traffic study instrument MTC-10 in adjacent orthoscopic many construction operations zone position simultaneously, add up the license plate number through vehicle simultaneously, the data such as the magnitude of traffic flow, license plate number, elapsed time can be obtained, carry out data processing with mathematical software MatLab, the license plate number continuously across the vehicle of two work zone and traveled distance time t can be obtained;
(2) data such as speed, time headway that section driveway partition, intersection traffic flow, vehicle formation and utilization 2 AxleLight portable drive test laser traffic study instrument of obtaining based on on-site inspection collect carry out VISSIM modeling, configure travel time detector in a model and incur loss through delay detecting device, and then trying to achieve the mean delay value d of the crossing of vehicle between the many work zone of orthoscopic;
(3) with vehicle actual by journey time during orthoscopic many work zone and between the many work zone of orthoscopic the delay value of crossing subtract each other, obtain the journey time xi revised, and then mathematical method can be used to calculate standard deviation sigma and the average E of the journey time revised, finally try to achieve the journey time coefficient of variation of vehicle through the correction of the many work zone of orthoscopic, wherein:
E = 1 n Σ i = 1 n x i ;
σ = 1 n Σ i = 1 n ( x i - E ) 2
In formula, by the vehicle number of the many work zone of orthoscopic in n---unit hour,
X i---the journey time of correction, i.e. t – d;
(4) according to the situation of the many work zone of actual linear, design possible pass and carry out Network Questionnaire Survey, suppose that the total number of persons participating in investigation is N, select other paths and number that non-immediate continues through two work zone is N 1, then the ratio p=N that driver selects to detour is obtained 1/ N;
(5) coefficient of variation be often used to reflect wagon flow be disturbed degree, embody the operation characteristic of vehicle, when by orthoscopic many work zone, the continuous impact of work zone causes the speed of a motor vehicle to fluctuate, its coefficient of variation is the important factor in order of orthoscopic many work zone correlation degree, when driver is by orthoscopic many work zone, may select to continue through ensuing work zone after by first work zone, also may select to change path, the change supposing path mainly due to first work zone impact caused by, wish by driver selects another key factor as weighing orthoscopic many work zone correlation degree, thus the correlation index obtaining the many work zone of orthoscopic is the journey time coefficient of variation revised and driver selects the product of the ratio changing path:
I = σ ( t - d ) E ( t - d ) · p
In formula, I---orthoscopic many work zone correlation index;
σ---standard deviation;
E---average;
---the coefficient of variation;
Traveled distance time (s) of t---vehicle between adjacent two work zone;
Owing to there is the mean delay (s) of the vehicle that crossing causes in d---journey time;
P---driver selects to change path, but not continues through the ratio of two work zone;
(6) threshold value of the correlation index described in determines the threshold value with reference to the degree of association between Adjacent Intersections, get the mean value 0.375 of 0.33 and 0.42, when correlation index is not less than 0.375, namely think that the many work zone of orthoscopic show as the feature of many work zone, should take measures to avoid the Multiple Superposition of many work zone to affect as far as possible, driver is informed, so that it makes applicable routing decision-making as also arranged traffic sign mark in advance continuously; When correlation index is less than 0.375, namely think that the many work zone of orthoscopic show as the feature of single work zone.
When described many work zone are chiasma type many work zone, due to each work zone serious interference each other, the traffic flow of all directions is all made a very bad impression, reduce intersection capacity, form traffic bottlenecks, therefore, the correlation index between each work zone of many work zone of staggered form is defined as 1.
When described many work zone are run-in index many work zone, then share urban road section, redistributing of traffic flow in certain limit can be caused, spacing between the main and many work zone of correlation index between the many work zone of run-in index is relevant, spacing between many work zone is less than 2.4km, namely think many work zone each work zone between there is correlativity, should take measures to avoid the Multiple Superposition of many work zone to affect as far as possible, driver is informed as also arranged traffic sign mark in advance continuously, so that it makes applicable routing decision-making, when spacing is not less than 2.4km, not there is correlativity between each work zone of i.e. many work zone, show as the feature of single work zone.
Gain effect of the present invention is:
The present invention on basis, already present many work zone, proposes the method determining urban road many work zone relevance in urban road network, achieves the quantitative analysis of relevance.For the many work zone of orthoscopic, the threshold value of correlation index determines the threshold value with reference to the degree of association between Adjacent Intersections, get the mean value 0.375 of 0.33 and 0.42, correlation index when the many work zone of orthoscopic is not less than 0.375, show that between two construction operations, correlation degree is larger, the overlaying influence run driver and traffic flow is comparatively large, should shift to an earlier date to arrange traffic sign continuously and identify and inform driver, the many work zone of staggered form serious interference each other, the traffic flow of all directions is all made a very bad impression, reduce intersection capacity, form traffic bottlenecks, therefore, correlation index between the many work zone of staggered form is defined as 1, should shift to an earlier date arrange continuously traffic sign mark inform driver, spacing between the main and many work zone of correlation index between the many work zone of run-in index is relevant, spacing between many work zone is less than 2.4km, namely think many work zone each work zone between there is correlativity, should take measures to avoid the Multiple Superposition of many work zone to affect as far as possible, driver is informed as also arranged traffic sign mark in advance continuously, so that it makes applicable routing decision-making, when spacing is not less than 2.4km, not there is correlativity between each work zone of i.e. many work zone, show as the feature of single work zone, by the determination of the relevance to many work zone, the calculating that can be road passage capability provides foundation, and is that urban road construction operation traffic organization is provided fundamental basis and program decisions support, and this method is simple, feasible, has important practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the many work zone of orthoscopic on the mayor Chun Lu of Zhengzhou.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
See sequence number in Fig. 1, figure: 1 be Chang Chun road, 2 for work zone 1,3 for work zone 2,4 for work zone 3,5 for work zone 4,6 be lotus flower street, 7 be Chinese ash street, 8 be science main road, 9 for Chinese ilex street and 10 be Chinese parasol tree street.
Embodiment one: the defining method of a kind of urban road many work zone relevance, first determine that the many work zone on the mayor Chun Lu of Zhengzhou are the many work zone of linear pattern, the defining method of the orthoscopic many work zone relevance on the mayor Chun Lu of Zhengzhou, comprises the following steps:
(1) lay 2 traffic study instrument MTC-10 in the work zone 1 of the many work zone of adjacent orthoscopic, Chang Chun road and work zone 2 place simultaneously, add up the license plate number through vehicle simultaneously, the data such as the magnitude of traffic flow, license plate number, elapsed time can be obtained.Carry out data processing with mathematical software MatLab, the license plate number continuously across the vehicle of work zone 1 and work zone 2 and traveled distance time t can be obtained.
(2) data such as speed, time headway that section driveway partition, intersection traffic flow, vehicle formation and utilization 2 AxleLight portable drive test laser traffic study instrument of obtaining based on on-site inspection collect carry out VISSIM modeling, configure travel time detector in a model and incur loss through delay detecting device, and then trying to achieve the mean delay value d of the crossing of vehicle between work zone 1 and work zone 2.
(3) with the actual traveled distance time t by work zone 1 and work zone 2 of vehicle and between work zone 1 and work zone 2 the mean delay value d of crossing subtract each other, obtain the journey time xi revised, and then mathematical method can be used to calculate standard deviation sigma and the average E of the journey time revised, finally try to achieve the journey time coefficient of variation of vehicle through the correction of the many work zone of orthoscopic, wherein:
E = 1 n Σ i = 1 n x i ;
σ = 1 n Σ i = 1 n ( x i - E ) 2
In formula, by the vehicle number of the many work zone of orthoscopic in n---unit hour;
X i---the journey time of correction, i.e. t – d.
(4) according to the situation of the many work zone of actual linear, design possible pass and carry out Network Questionnaire Survey.Suppose that the total number of persons participating in investigation is N, select other paths and number that non-immediate continues through two work zone is N 1, then the ratio p=N that driver selects to detour is obtained 1/ N.
Two orthoscopic many work zone eigenwerts are as shown in table 1, and two orthoscopic many work zone parameter statistics are as shown in table 2:
Feature between table 1 work zone 1 and work zone 2
Numbering Spacing (m) between work zone 1 and work zone 2 Crossing number Intersection type Intersection signal cycle (s)
1 570 1 T-shaped 78
Parametric statistics between table 2 work zone 1 and work zone 2
(5) by above-mentioned data, the correlation index of the many work zone of calculated line formula is the product that the journey time coefficient of variation revised and driver select the ratio changing path:
I = σ ( t - d ) E ( t - d ) · p
In formula, I---orthoscopic many work zone correlation index;
σ---standard deviation;
E---average;
---the coefficient of variation;
Traveled distance time (s) of t---vehicle between adjacent two work zone;
Owing to there is mean delay value (s) of the vehicle that crossing causes in d---journey time;
P---driver selects to change path, but not continues through the ratio of two work zone.
Calculate, I 1=0.34, show that between the work zone 1 of first many work zone of orthoscopic and work zone 2, relevance is little, being only many work zone in form, in fact not presenting the traffic circulation feature of many work zone, without the need to adopting special measure.
Embodiment two: the defining method of a kind of urban road many work zone relevance, first determine that the many work zone on the mayor Chun Lu of Zhengzhou are the many work zone of linear pattern, the defining method of the orthoscopic many work zone relevance on the mayor Chun Lu of Zhengzhou, comprises the following steps:
(1) lay 2 traffic study instrument MTC-10 in the work zone 3 of the many work zone of adjacent orthoscopic, Chang Chun road and work zone 4 place simultaneously, add up the license plate number through vehicle simultaneously, the data such as the magnitude of traffic flow, license plate number, elapsed time can be obtained.Carry out data processing with mathematical software MatLab, the license plate number continuously across the vehicle of work zone 3 and work zone 4 and traveled distance time t can be obtained.
(2) data such as speed, time headway that section driveway partition, intersection traffic flow, vehicle formation and utilization 2 AxleLight portable drive test laser traffic study instrument of obtaining based on on-site inspection collect carry out VISSIM modeling, configure travel time detector in a model and incur loss through delay detecting device, and then trying to achieve the mean delay value d of the crossing of vehicle between work zone 3 and work zone 4.
(3) subtract each other d by vehicle reality by the delay value of journey time t when work zone 3 and work zone 4 and the crossing between work zone 3 and work zone 4, obtain the journey time x revised i, and then mathematical method can be used to calculate standard deviation sigma and the average E of the journey time revised, finally try to achieve the journey time coefficient of variation of vehicle through the correction of the many work zone of orthoscopic, wherein:
F = 1 n Σ i = 1 n x j ;
σ = 1 n Σ i = 1 n ( x i - E ) 2
In formula, by the vehicle number of the many work zone of orthoscopic in n---unit hour;
X i---the journey time of correction, i.e. t – d.
(4) according to the situation of the many work zone of actual linear, design possible pass and carry out Network Questionnaire Survey.Suppose that the total number of persons participating in investigation is N, select other paths and number that non-immediate continues through two work zone is N 1, then the ratio p=N that driver selects to detour is obtained 1/ N.
Two orthoscopic many work zone eigenwerts are as shown in table 1, and two orthoscopic many work zone parameter statistics are as shown in table 2:
Feature between table 3 work zone 3 and work zone 4
Numbering Spacing (m) between work zone 1 and work zone 2 Crossing number Intersection type Intersection signal cycle (s)
1 990 3 Cross 120
Parametric statistics between table 4 work zone 3 and work zone 4
(5) by above-mentioned data, the correlation index calculated between work zone 3 and work zone 4 is the product that the journey time coefficient of variation revised and driver select the ratio changing path:
I = σ ( t - d ) E ( t - d ) · p
In formula, I---orthoscopic many work zone correlation index;
σ---standard deviation;
E---average;
---the coefficient of variation;
Traveled distance time (s) of t---vehicle between adjacent two work zone;
Owing to there is the mean delay (s) of the vehicle that crossing causes in d---journey time;
P---driver selects to change path, but not continues through the ratio of two work zone.
Calculate, I 2=0.55, show that between the work zone 3 of the many work zone of orthoscopic and work zone 4, correlation degree is larger, the overlaying influence run driver and traffic flow is comparatively large, should shift to an earlier date and arrange traffic sign mark continuously to inform driver, so that it makes applicable routing decision-making.
The present invention on basis, already present many work zone, proposes the method determining urban road many work zone relevance in urban road network, achieves the quantitative analysis of relevance.For the many work zone of orthoscopic, the threshold value of correlation index determines the threshold value with reference to the degree of association between Adjacent Intersections, get the mean value 0.375 of 0.33 and 0.42, correlation index when the many work zone of orthoscopic is not less than 0.375, show that between two construction operations, correlation degree is larger, the overlaying influence run driver and traffic flow is comparatively large, should shift to an earlier date to arrange traffic sign continuously and identify and inform driver, the many work zone of staggered form serious interference each other, the traffic flow of all directions is all made a very bad impression, reduce intersection capacity, form traffic bottlenecks, therefore, correlation index between the many work zone of staggered form is defined as 1, should shift to an earlier date arrange continuously traffic sign mark inform driver, spacing between the main and many work zone of correlation index between the many work zone of run-in index is relevant, spacing between many work zone is less than 2.4km, namely think many work zone each work zone between there is correlativity, should take measures to avoid the Multiple Superposition of many work zone to affect as far as possible, driver is informed as also arranged traffic sign mark in advance continuously, so that it makes applicable routing decision-making, when spacing is not less than 2.4km, not there is correlativity between each work zone of i.e. many work zone, show as the feature of single work zone, by the determination of the relevance to many work zone, the calculating that can be road passage capability provides foundation, and is that urban road construction operation traffic organization is provided fundamental basis and program decisions support, and this method is simple, feasible, has important practical significance.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and instructions; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.

Claims (4)

1. the defining method of urban road many work zone relevance, it is characterized in that: the type first determining described many work zone, the type of many work zone comprises the many work zone of linear pattern, the many work zone of chiasma type and the many work zone of parallel type, if the relative direction in direction, two or more work zone is linear, namely on a road, road occupying mode is identical, and distance is less than 1000m, be then the many work zone of linear pattern; If the direction of two or more work zone intersects, be then the many work zone of chiasma type; If the direction of two or more work zone is parallel, sharing urban road section, is then the many work zone of parallel type.
2. the defining method of a kind of urban road many work zone according to claim 1 relevance, it is characterized in that: when described many work zone are linear pattern many work zone, the defining method of linear pattern many work zone relevance, comprises the following steps:
(1) lay 2 traffic study instrument MTC-10 in adjacent orthoscopic many construction operations zone position simultaneously, add up the license plate number through vehicle simultaneously, the data such as the magnitude of traffic flow, license plate number, elapsed time can be obtained, carry out data processing with mathematical software MatLab, the license plate number continuously across the vehicle of two work zone and traveled distance time t can be obtained;
(2) data such as speed, time headway that section driveway partition, intersection traffic flow, vehicle formation and utilization 2 AxleLight portable drive test laser traffic study instrument of obtaining based on on-site inspection collect carry out VISSIM modeling, configure travel time detector in a model and incur loss through delay detecting device, and then trying to achieve the mean delay value d of the crossing of vehicle between the many work zone of orthoscopic;
(3) with vehicle actual by journey time during orthoscopic many work zone and between the many work zone of orthoscopic the delay value of crossing subtract each other, obtain the journey time x revised i, and then mathematical method can be used to calculate standard deviation sigma and the average E of the journey time revised, finally try to achieve the journey time coefficient of variation of vehicle through the correction of the many work zone of orthoscopic, wherein:
；
In formula, by the vehicle number of the many work zone of orthoscopic in n---unit hour,
X i---the journey time of correction, i.e. t – d;
(4) according to the situation of the many work zone of actual linear, design possible pass and carry out Network Questionnaire Survey, suppose that the total number of persons participating in investigation is N, select other paths and number that non-immediate continues through two work zone is N 1, then the ratio p=N that driver selects to detour is obtained 1/ N;
(5) coefficient of variation be often used to reflect wagon flow be disturbed degree, embody the operation characteristic of vehicle, when by orthoscopic many work zone, the continuous impact of work zone causes the speed of a motor vehicle to fluctuate, its coefficient of variation is the important factor in order of orthoscopic many work zone correlation degree, when driver is by orthoscopic many work zone, may select to continue through ensuing work zone after by first work zone, also may select to change path, the change supposing path mainly due to first work zone impact caused by, wish by driver selects another key factor as weighing orthoscopic many work zone correlation degree, thus the correlation index obtaining the many work zone of orthoscopic is the journey time coefficient of variation revised and driver selects the product of the ratio changing path:
In formula, I---orthoscopic many work zone correlation index;
---standard deviation;
E---average;
---the coefficient of variation;
Traveled distance time (s) of t---vehicle between adjacent two work zone;
Owing to there is the mean delay (s) of the vehicle that crossing causes in d---journey time;
P---driver selects to change path, but not continues through the ratio of two work zone;
(6) threshold value of the correlation index described in determines the threshold value with reference to the degree of association between Adjacent Intersections, get the mean value 0.375 of 0.33 and 0.42, when correlation index is not less than 0.375, namely think that the many work zone of orthoscopic show as the feature of many work zone, should take measures to avoid the Multiple Superposition of many work zone to affect as far as possible, driver is informed, so that it makes applicable routing decision-making as also arranged traffic sign mark in advance continuously; When correlation index is less than 0.375, namely think that the many work zone of orthoscopic show as the feature of single work zone.
3. the defining method of a kind of urban road many work zone according to claim 1 relevance, it is characterized in that: when described many work zone are chiasma type many work zone, due to each work zone serious interference each other, the traffic flow of all directions is all made a very bad impression, reduce intersection capacity, form traffic bottlenecks, therefore, the correlation index between each work zone of the many work zone of staggered form is defined as 1.
4. the defining method of a kind of urban road many work zone according to claim 1 relevance, it is characterized in that: when described many work zone are run-in index many work zone, then share urban road section, redistributing of traffic flow in certain limit can be caused, spacing between the main and many work zone of correlation index between the many work zone of run-in index is relevant, spacing between many work zone is less than 2.4km, namely think many work zone each work zone between there is correlativity, should take measures to avoid the Multiple Superposition of many work zone to affect as far as possible, driver is informed as also arranged traffic sign mark in advance continuously, so that it makes applicable routing decision-making, when spacing is not less than 2.4km, not there is correlativity between each work zone of i.e. many work zone, show as the feature of single work zone.
CN201610067293.4A 2016-01-28 2016-01-28 Determination method for multi-construction operation area relevance of city road Pending CN105528684A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108460518A (en) * 2018-01-24 2018-08-28 三峡大学 A kind of dam construction cross-operation Steric clashes frequency test method
CN113421418A (en) * 2021-03-08 2021-09-21 上海评驾科技有限公司 Method for evaluating urban group based on utilization indexes and traffic flow data

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108460518A (en) * 2018-01-24 2018-08-28 三峡大学 A kind of dam construction cross-operation Steric clashes frequency test method
CN108460518B (en) * 2018-01-24 2021-06-04 三峡大学 Method for testing space conflict frequency of dam pouring cross operation
CN113421418A (en) * 2021-03-08 2021-09-21 上海评驾科技有限公司 Method for evaluating urban group based on utilization indexes and traffic flow data

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Application publication date: 20160427