CN109003437A - A kind of construction area traffic impact overall target calculation method - Google Patents
A kind of construction area traffic impact overall target calculation method Download PDFInfo
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- CN109003437A CN109003437A CN201810735081.8A CN201810735081A CN109003437A CN 109003437 A CN109003437 A CN 109003437A CN 201810735081 A CN201810735081 A CN 201810735081A CN 109003437 A CN109003437 A CN 109003437A
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- vehicle flowrate
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- overall target
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
Abstract
A kind of construction area traffic impact overall target calculation method, comprising: step 1, data acquisition；The benchmark vehicle flowrate of plan construction road is measured before construction, selectes the vehicle flowrate for counting early evening peak, counts the vehicles number that town road passes through by timing node of the second time；In the construction process, the vehicle flowrate of construction road under a condition of construction is monthly counted, the vehicle flowrate for counting early evening peak is selected, the second time was the first vehicles number that timing node counts that town road passes through；Step 2 calculates construction area traffic impact overall target；Construction is related to the current intensity of bicycle road of road to cover length to construct to enclose and count as weight, is compared with non-Construction State；Step 3, construction complete period Traffic Impact Analysis；By the construction area traffic impact overall target drafting pattern of each moon, overall variation trend is analyzed.Method calculated result of the invention is intuitive, it can be readily appreciated that convenient for citizen and related authorities' reference.
Description
Technical field
The present invention relates to a kind of construction area traffic impact overall target calculation methods, and it is more to be mainly used for multiple spot in town-wide
The analysis of situation is influenced under the extensive condition of construction of line on local transit.
Background technique
With the continuous development of China's economic society, the infrastructure construction engineering land in large quantities of town-wides in recent years
Continuous to go into operation, construction period needs enclose covering to the town road being related to, while construction point shows multi-point and wide-ranging feature,
It needs the influence being subject to construction period urban traffic to be compared accurate description, is referred to for citizen and authorities, and be
Construction unit adjusts traffic data process measure and provides foundation.Common road passage capability index is generally focused on entirely both at home and abroad now
Office reflects a certain administrative area entirety traffic behavior in certain time, cannot directly embody influence of a certain engineering construction to traffic.
For this purpose, the present invention devises a kind of construction area traffic impact overall target, be absorbed in a certain engineering construction related roads of expression because
Construction behavior is on influence caused by road passage capability.
Summary of the invention
The object of the present invention is to provide.Therefore, the present invention uses following technical scheme.
A kind of construction area traffic impact overall target calculation method, comprising:
Step 1, data acquisition；The benchmark vehicle flowrate of plan construction road is measured before construction, to construct preceding the
On the basis of one time was not influenced the vehicle flowrate under state by engineering construction, the vehicle flowrate for counting early evening peak is selected, when with second
Between for timing node count the vehicles number that passes through of town road, continuous statistics 30 days takes the vehicles number and counts
Average value；In the construction process, the vehicle flowrate of construction road under a condition of construction is monthly counted, selectes and counts early evening peak
Vehicle flowrate, the second time was the first vehicles number that timing node counts that town road passes through, to the first motor vehicle number
Measure arithmetic average；
Step 2 calculates construction area traffic impact overall target；The current intensity of the bicycle road that construction is related to road is to construct
Enclosing and covering length is that weight is counted, and compares with non-Construction State, calculates this month construction area traffic impact overall target T；
Indicate that engineering construction does not influence traffic substantially as T=1.0, before city entirety road intensity and construction
There is no significant change；
As 1.0 < T≤1.2, indicate that engineering construction has minimal effect to traffic；
As 1.2 < T≤1.5, indicate that engineering construction has moderate influence to traffic；
As 1.5 < T≤2.0, indicate that engineering construction has more serious influence to traffic；
As 2.0 < T, indicate that engineering construction has very serious implications to traffic；
Step 3, construction complete period Traffic Impact Analysis；By the construction area traffic impact overall target drafting pattern of each moon,
Analyze overall variation trend；Under normal circumstances, in engineering incipient stage T higher, with the progress of engineering, every traffic data process is arranged
Apply and gradually play effect, the regulatory function of road network gradually shows, T integrally answer it is on a declining curve, until engineering finish up the phase, T tend to
In 1.0, local transit overall condition is restored to state before engineering construction；If there is abnormal rising in construction period T,
It should be checked immediately, finding out influences maximum road to T, reinforces traffic data process measure, or adjustment engineering construction progress, avoids
Excessive influence is caused to the city road network traffic capacity.
Preferably, the step 2 further comprises the current intensity of each road reference for calculating engineering construction and being related to
Pci=Qci/Nci
In formula:
Pci--- the road intensity of road i under non-condition of construction；
Qci--- the vehicle flowrate of road i under non-condition of construction, vehicle flowrate on the basis of first time, are selected before constructing
The vehicle flowrate for counting early evening peak counts the vehicles number that road i passes through by timing node of the second time, continuously counts 30
It, takes arithmetic average；
Nci--- the number of track-lines of road i；
Calculate the passage intensity in the case of each road construction that engineering construction is related to
Psi=Qsi/(Nci-Nsi)
In formula:
Psi--- the road intensity of road i under condition of construction；
Qsi--- the vehicle flowrate of road i under condition of construction selectes the vehicle flowrate of statistics morning construction time evening peak, when with second
Between for timing node count the vehicles number that passes through of road i, the construction time monthly counts once, takes arithmetic average；
Nsi--- road i construction period encloses the number of track-lines covered；
Calculate construction area traffic impact overall target
In formula:
T --- traffic impact overall target in construction area under condition of construction monthly calculates primary；
Li--- in the lane length of construction on road i, in terms of km, including transition region, buffer area, termination section length；
The number of n --- construction road.
Preferably, the first time is greater than or equal to 1 month.
Preferably, second time is 10 minutes.
The beneficial effects of the present invention are: 1), method it is simple, calculating speed is fast；2), calculated result dimensionless, not vulnerable to dry
It disturbs；3), calculated result is intuitive, it can be readily appreciated that convenient for citizen and related authorities' reference.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
A kind of construction area traffic impact overall target calculation method, comprising the following steps:
Step 1, data acquisition.The benchmark vehicle flowrate of plan construction road is measured before construction, with preceding January of constructing
Or on the basis of the longer time is not influenced the vehicle flowrate under state by engineering construction before, select the vehicle flowrate for counting early evening peak
(morning peak: 7:00-9:00, evening peak: 17:30-19:30) counted town road with 10 minutes for a timing node and passes through
Vehicles number, continuous statistics 30 days takes arithmetic average.
In the construction process, per the end of month, which counts, encloses the number of track-lines and vehicle flowrate for covering and enclosing and covering on road under a condition of construction,
The selected vehicle flowrate (morning peak: 7:00-9:00, evening peak: 17:30-19:30) for counting early evening peak, with 10 minutes for one
The vehicles number that timing node statistics town road passes through, takes arithmetic average.
Step 2 calculates construction area traffic impact overall target.The current intensity of the bicycle road that construction is related to road is to construct
Enclosing and covering length is that weight is counted, and compares with non-Construction State, calculates this month construction area traffic impact overall target T.
Calculate the current intensity of each road reference that engineering construction is related to
Pci=Qci/Nci
In formula:
Pci--- the road intensity of road i under non-condition of construction；
Qci--- the vehicle flowrate of road i under non-condition of construction, vehicle flowrate are pressed on the basis of constructing first 1 month or so
Least favorable situation considers, select count early evening peak vehicle flowrate (morning peak: 7:00-9:00, evening peak: 17:30-19:
30), to count within 10 minutes the vehicles number that town road passes through for timing node, continuous statistics 30 days, take count it is flat
Mean value；
Nci--- the number of track-lines of road i；
Calculate the passage intensity in the case of each road construction that engineering construction is related to
Psi=Qsi/(Nci-Nsi)
In formula:
Psi--- the road intensity of road i under condition of construction；
Qsi--- the vehicle flowrate of road i under condition of construction, select statistics morning construction time evening peak vehicle flowrate (morning peak:
7:00-9:00, evening peak: 17:30-19:30), with 10 minutes for timing node count town road pass through it is motor-driven
Vehicle quantity, the construction time, per the end of month statistics was primary, took arithmetic average；
Nsi--- road i construction period encloses the number of track-lines covered；
Calculate construction area traffic impact overall target
In formula:
T --- traffic impact overall target in construction area under condition of construction monthly calculates primary；
Li--- in the lane length of construction on road i, in terms of km, including transition region, buffer area, termination section length；
The number of n --- construction road.
Indicate that engineering construction does not influence traffic substantially as T=1.0, before city entirety road intensity and construction
There is no significant change；
As 1.0 < T≤1.2, indicate that engineering construction has minimal effect to traffic；
As 1.2 < T≤1.5, indicate that engineering construction has moderate influence to traffic；
As 1.5 < T≤2.0, indicate that engineering construction has more serious influence to traffic；
As 2.0 < T, indicate that engineering construction has very serious implications to traffic；
Step 3, construction complete period Traffic Impact Analysis.By the construction area traffic impact overall target drafting pattern of each moon,
Analyze overall variation trend；Under normal circumstances, in engineering incipient stage T higher, with the progress of engineering, every traffic data process is arranged
Apply and gradually play effect, the regulatory function of road network gradually shows, T integrally answer it is on a declining curve, until engineering finish up the phase, T tend to
In 1.0, local transit overall condition is restored to state before engineering construction.If there is abnormal rising in construction period T,
It should be checked immediately, finding out influences maximum road to T, reinforces traffic data process measure, or adjustment engineering construction progress, avoids
Excessive influence is caused to the city road network traffic capacity.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (4)
1. a kind of construction area traffic impact overall target calculation method characterized by comprising
Step 1, data acquisition；The benchmark vehicle flowrate of plan construction road is measured before construction, when with construction preceding first
Between vehicle flowrate under state is not influenced by engineering construction on the basis of, select the vehicle flowrate for counting early evening peak, be with the second time
The vehicles number that timing node statistics town road passes through, continuous statistics 30 days take arithmetic mean to the vehicles number
Value；In the construction process, the vehicle flowrate of construction road under a condition of construction is monthly counted, the wagon flow for counting early evening peak is selected
Amount, the second time are the first vehicles number that timing node counts that town road passes through, and are taken to first vehicles number
Arithmetic average；
Step 2 calculates construction area traffic impact overall target；The current intensity of bicycle road that construction is related to road is covered with constructing to enclose
Length is that weight is counted, and compares with non-Construction State, calculates this month construction area traffic impact overall target T；
It indicates that engineering construction does not influence traffic substantially as T=1.0, does not have before city entirety road intensity and construction
Significant change；
As 1.0 < T≤1.2, indicate that engineering construction has minimal effect to traffic；
As 1.2 < T≤1.5, indicate that engineering construction has moderate influence to traffic；
As 1.5 < T≤2.0, indicate that engineering construction has more serious influence to traffic；
As 2.0 < T, indicate that engineering construction has very serious implications to traffic；
Step 3, construction complete period Traffic Impact Analysis；By the construction area traffic impact overall target drafting pattern of each moon, analysis
Overall variation trend；Under normal circumstances, in engineering incipient stage T higher, with the progress of engineering, every traffic data process measure by
Effect is gradually played, the regulatory function of road network gradually shows, and T integrally answers on a declining curve, until engineering finishes up the phase, T is intended to
1.0, local transit overall condition is restored to state before engineering construction；If abnormal rising occurs in construction period T, answer
It is checked immediately, finding out influences maximum road to T, reinforces traffic data process measure, or adjustment engineering construction progress, avoids pair
The city road network traffic capacity causes excessive influence.
2. a kind of construction area traffic impact overall target calculation method according to claim 1, which is characterized in that its feature
It is, the step 2 further comprises the current intensity of each road reference for calculating engineering construction and being related to
Pci=Qci/Nci
In formula:
Pci--- the road intensity of road i under non-condition of construction；
Qci--- the vehicle flowrate of road i under non-condition of construction, vehicle flowrate on the basis of first time, select statistics before constructing
The vehicle flowrate of early evening peak counts the vehicles number that road i passes through by timing node of the second time, continuous to count 30 days,
Take arithmetic average；
Nci--- the number of track-lines of road i；
Calculate the passage intensity in the case of each road construction that engineering construction is related to
Psi=Qsi/(Nci-Nsi)
In formula:
Psi--- the road intensity of road i under condition of construction；
Qsi--- the vehicle flowrate of road i under condition of construction selectes the vehicle flowrate of statistics morning construction time evening peak, is with the second time
The vehicles number that timing node statistics road i passes through, construction time monthly count once, take arithmetic average；
Nsi--- road i construction period encloses the number of track-lines covered；
Calculate construction area traffic impact overall target
In formula:
T --- traffic impact overall target in construction area under condition of construction monthly calculates primary；
Li--- in the lane length of construction on road i, in terms of km, including transition region, buffer area, termination section length；
The number of n --- construction road.
3. a kind of according to claim 1, construction area traffic impact overall target calculation method described in 2, which is characterized in that described
It is greater than or equal to 1 month at the first time.
4. a kind of according to claim 1, construction area traffic impact overall target calculation method described in 2, which is characterized in that described
Second time was 10 minutes.
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| CN113706857A (en) * | 2020-05-22 | 2021-11-26 | 百度在线网络技术（北京）有限公司 | Method, device and equipment for determining road trafficability and storage medium |
| CN116882709A (en) * | 2023-09-05 | 2023-10-13 | 深圳市睿拓新科技有限公司 | Road construction intelligent supervision method based on big data analysis and storage medium |
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