CN113435675A - Road grading method based on mobile hazardous chemical transportation and application thereof - Google Patents
Road grading method based on mobile hazardous chemical transportation and application thereof Download PDFInfo
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- CN113435675A CN113435675A CN202010209992.4A CN202010209992A CN113435675A CN 113435675 A CN113435675 A CN 113435675A CN 202010209992 A CN202010209992 A CN 202010209992A CN 113435675 A CN113435675 A CN 113435675A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000000383 hazardous chemical Substances 0.000 title claims abstract description 39
- 239000000126 substance Substances 0.000 claims abstract description 31
- 238000011156 evaluation Methods 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000012800 visualization Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0635—Risk analysis of enterprise or organisation activities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/083—Shipping
- G06Q10/0832—Special goods or special handling procedures, e.g. handling of hazardous or fragile goods
Abstract
The invention relates to a road grading method based on mobile hazardous chemical transportation and application thereof, wherein the grading method comprises the following steps: step 1: acquiring road attribute data of a road to be evaluated and flow data of a chemical industry park where the road is located; step 2: calculating a comprehensive index of the performance of the road facility to be evaluated and a congestion condition index of the road to be evaluated according to the data obtained in the step 1; and step 3: obtaining the comprehensive index weight W of the performance of the road facilities to be evaluated1And the road congestion condition index weight W to be evaluated2(ii) a And 4, step 4: weighting and summing the comprehensive indexes of the performance of the facilities of the road to be evaluated obtained in the step 2 and the step 3 and the scores and the weights of the congestion condition indexes of the road to be evaluated to obtain a comprehensive index Z; and 5: and obtaining the danger level of the road to be evaluated according to the value of the comprehensive index Z and the classification standard. Compared with the prior art, the invention comprehensively considers the performance level of road facilities and the road congestion condition, and the road grading is more objectiveAnd (5) observing and the like.
Description
Technical Field
The invention relates to the technical field of evaluation of road safety or risk analysis levels of different levels such as city level, park level, community level and the like, in particular to a road grading method based on mobile hazardous chemical transportation and application thereof.
Background
The identification, evaluation, monitoring and emergency rescue system construction of the road traffic risk of the mobile hazardous chemical transportation are the core contents of major industrial accident prevention. In recent years, safety accidents related to chemical dangerous goods frequently occur, and huge property loss and casualties are caused. In terms of the risk of transportation of the mobile hazardous chemical, the distribution of the mobile hazardous chemical on the road is not uniform, but continuously changes along with factors such as road grade, terrain along the road, lane conditions, road flow and the like. Once dangerous chemical road transportation leakage and explosion accidents occur on a certain transportation route, the situations are different, the influence on areas on two sides along the route is large, and the supervision and the prediction are difficult.
China has few aspects of traffic safety risk grading evaluation research in road transportation of mobile hazardous chemicals, related statistical data and research results are still incomplete, and the prior art does not have a road grading state capable of being visualized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a road grading method based on mobile hazardous chemical transportation, which comprehensively considers the performance level of road facilities and the road congestion condition and more objectively grades the road, and an application thereof.
The purpose of the invention can be realized by the following technical scheme:
a road grading method based on mobile hazardous chemical transportation is a program embedded in a computer and comprises the following steps:
step 1: acquiring road data of a road to be evaluated and data of a chemical industry park where the road is located;
step 2: calculating a comprehensive index of the performance of the road facility to be evaluated and a congestion condition index of the road to be evaluated according to the data obtained in the step 1;
and step 3: obtaining the comprehensive index weight W of the performance of the road facilities to be evaluated1And the road congestion condition index weight W to be evaluated2；
And 4, step 4: weighting and summing the comprehensive indexes of the performance of the facilities of the road to be evaluated obtained in the step 2 and the step 3 and the scores and the weights of the congestion condition indexes of the road to be evaluated to obtain a comprehensive index Z;
and 5: and obtaining the danger level of the road to be evaluated according to the value of the comprehensive index Z and the classification standard.
Preferably, the road data in step 1 includes road grade data, red line width data and road section width data; the data of the chemical industry park comprises enterprise hazardous chemical substance vehicle transportation path data, road section traffic flow data and hazardous chemical substance vehicle number data in each time period.
Preferably, the method for calculating the comprehensive performance index of the road facility to be evaluated in the step 2 comprises the following steps:
S＝∑si×wi
wherein s isiIs the evaluation score of various facility performance indexes, wiThe evaluation weight is the performance index of each facility, and p is the comprehensive index of the performance of the road facility to be evaluated.
More preferably, the evaluation score s of each type of facility performance indexiAnd evaluation weight w of various facility performance indexesiAll obtained by expert evaluation.
Preferably, the method for calculating the road congestion status index to be evaluated in step 2 is as follows:
wherein v is the traffic flow of the road to be evaluated, c is the traffic capacity of the road to be evaluated, q is the vehicle with the hazardous chemical in the road to be evaluated, and Σ q is the total number of the hazardous chemical vehicles in each time period in the garden enterprise.
Preferably, the integrated index weight W of the road facility performance to be evaluated in the step 31And the road congestion condition index weight W to be evaluated2All obtained by analytic hierarchy process.
Preferably, the method for calculating the comprehensive index Z in step 4 comprises:
preferably, the classification criteria in step 5 are specifically:
the application of the road grading method based on the mobile hazardous chemical transportation is to grade and visually process roads in a chemical park area to obtain a road grading visual distribution map based on the mobile hazardous chemical transportation.
Compared with the prior art, the invention has the following advantages:
the road grading method disclosed by the invention grades the road based on the transportation of the mobile hazardous chemical substance, comprehensively considers the performance level of road facilities and the road congestion condition, and adopts a comprehensive evaluation mode to make the grading more objective; the road grading method based on the mobile hazardous chemical transportation is applied to visually treat the road grade, so that when a major hazard source is fixed in a garden or an accident occurs in the process of transporting the mobile hazardous chemical, grading and visual treatment of the road can be rapidly completed, vehicles and personnel in the garden are guided to evacuate outwards, and rescue personnel and vehicles outside the garden can be guided to find an optimal route to enter the garden in time; the visual treatment of road classification greatly improves the reaction speed of related personnel and vehicles after accidents occur, so that the related vehicles and personnel can evacuate or rescue accident sites in time, and the influence range and property loss of the accidents are greatly reduced.
Drawings
Fig. 1 is a schematic flow chart of a road grading method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
In order to accurately estimate the road traffic safety risk in the park, the road traffic can be classified and classified reasonably according to historical road traffic flow data and business hazardous chemical vehicle entry and exit data at each time interval and by combining the road grade, the road condition and the traffic condition in the park. Through the research on the traffic classification method for the transportation of the mobile hazardous chemical substances, relevant departments can be assisted to reasonably perfect risk control measures before and after the occurrence of the accident. Scientifically guides and manages the high-risk road, implements fine management and strictly monitors, and reduces the occurrence rate of accidents to the lowest.
The invention relates to a road grading method based on mobile hazardous chemical transportation, which is a program embedded in a computer, and the flow of the method is shown in figure 1, and comprises the following steps:
step 1: acquiring road data of a road to be evaluated and data of a chemical industry park where the road is located;
step 2: calculating a comprehensive index of the performance of the road facility to be evaluated and a congestion condition index of the road to be evaluated according to the data obtained in the step 1;
and step 3: obtaining the comprehensive index weight W of the performance of the road facilities to be evaluated1And the road congestion condition index weight W to be evaluated2；
And 4, step 4: weighting and summing the comprehensive indexes of the performance of the facilities of the road to be evaluated obtained in the step 2 and the step 3 and the scores and the weights of the congestion condition indexes of the road to be evaluated to obtain a comprehensive index Z;
and 5: and obtaining the danger level of the road to be evaluated according to the value of the comprehensive index Z and the classification standard.
A specific embodiment is provided:
step 1: the method comprises the steps of obtaining road data of a road to be evaluated and data of a chemical industry park where the road is located, wherein the road data comprises road grade data, red line width data and road section width data, and the data of the chemical industry park comprises enterprise hazardous chemical substance vehicle transportation path data, road section traffic flow data and hazardous chemical substance vehicle number data in each time period. (ii) a
Step 2: calculating a comprehensive index of the performance of the road facility to be evaluated and a congestion condition index of the road to be evaluated according to the data obtained in the step 1;
the method for calculating the comprehensive performance index of the road facility to be evaluated comprises the following steps:
S＝∑si×wi
wherein s isiIs the evaluation score of various facility performance indexes, wiThe evaluation weight is the performance index of each facility, and p is the comprehensive index of the performance of the road facility to be evaluated;
s in the present exampleiAnd wiThe scores were scored by expert evaluation, and the specific values are shown in table 1.
TABLE 1siAnd wiValue taking
In this embodiment, the road facility performance index score is calculated according to the road status:
S＝3.2
the method for calculating the road congestion condition index to be evaluated comprises the following steps:
wherein v is the traffic flow of the road to be evaluated, c is the traffic capacity of the road to be evaluated, q is the vehicle with the hazardous chemical in the road to be evaluated, and Σ q is the total number of the hazardous chemical vehicles in each time period in the garden enterprise.
In this embodiment, the service level of the road (i.e. the ratio of the traffic flow of the evaluation road to the traffic capacity of the road) is 0.3, and the ratio of the total number of the dangerous goods vehicles occupying the enterprise dangerous goods vehicles in the garden in the time period is 0.6, i.e. the ratio of the total number of the dangerous goods vehicles occupying the enterprise in the time period is 0.6
And step 3: obtaining the comprehensive index weight W of the performance of the road facilities to be evaluated1And the road congestion condition index weight W to be evaluated2；
This example obtained W by analytic hierarchy process1And W2Two weights, the specific calculation process is:
(1) determining a road grading state evaluation factor judgment matrix A;
(2) calculation of W by geometric evaluation1And W2；
(3) Calculating the consistency ratio CR
Wherein the content of the first and second substances,
RI is the average random consistency index and takes the value of 0.58.
WT＝[W1,W2]T＝[0.143,0.857]T
When CR < 0.1, the consistency of the judgment matrix is considered to be acceptable, so W1And W2Are respectively 0.143 and 0.857.
And 4, step 4: weighting and summing the comprehensive indexes of the performance of the facilities of the road to be evaluated obtained in the step 2 and the step 3 and the scores and the weights of the congestion condition indexes of the road to be evaluated to obtain a comprehensive index Z;
the calculation method of the comprehensive index Z comprises the following steps:
and 5: obtaining the danger level of the road to be evaluated according to the value of the comprehensive index Z and the classification standard;
the classification standard of the road grade in this embodiment is specifically:
therefore, the danger level of the road section can be obtained according to the value of the comprehensive index Z and the classification standard of the road level, and the road section is a three-level danger road.
The invention also relates to an application of the road grading method based on the mobile hazardous chemical transportation, which specifically comprises the following steps:
by utilizing the road danger grade grading method, a visual distribution map of the road danger grade inside the garden can be formed based on the transportation of the mobile dangerous chemicals, once an accident happens to a fixed major danger source or a mobile dangerous chemical in the garden in the process of transportation, the road danger grade around the accident occurrence place can be determined by utilizing the road danger grade distribution map, vehicles and personnel inside the garden are guided to pass along the road with a lower relative danger grade, and the casualty degree is reduced as much as possible. Meanwhile, rescue vehicles and rescue workers outside the garden can search for a relatively safe road to reach the accident occurrence place by using the road danger grade grading method to rescue, so that the accident influence range and the property loss are effectively reduced.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A road grading method based on mobile hazardous chemical transportation is a program embedded in a computer, and is characterized by comprising the following steps:
step 1: acquiring road attribute data of a road to be evaluated and traffic flow data of a chemical industry park where the road is located;
step 2: calculating a comprehensive index of the performance of the road facility to be evaluated and a congestion condition index of the road to be evaluated according to the data obtained in the step 1;
and step 3: obtaining the comprehensive index weight W of the performance of the road facilities to be evaluated1And the road congestion condition index weight W to be evaluated2；
And 4, step 4: weighting and summing the comprehensive indexes of the performance of the facilities of the road to be evaluated obtained in the step 2 and the step 3 and the scores and the weights of the congestion condition indexes of the road to be evaluated to obtain a comprehensive index Z;
and 5: and obtaining the danger level of the road to be evaluated according to the value of the comprehensive index Z and the classification standard.
2. The road grading method based on the transportation of the mobile hazardous chemical substances according to claim 1, wherein the road data in the step 1 comprises road grade data, red line width data and road section width data; the data of the chemical industry park of the road comprises enterprise hazardous chemical substance vehicle transportation path data, road section traffic flow data and hazardous chemical substance vehicle number data in each time period.
3. The road grading method based on the transportation of the mobile hazardous chemical substances according to claim 1, wherein the calculation method of the comprehensive performance index of the road facility to be evaluated in the step 2 comprises the following steps:
S＝∑si×wi
wherein s isiIs the evaluation score of various facility performance indexes, wiThe evaluation weight is the performance index of each facility, and p is the comprehensive index of the performance of the road facility to be evaluated.
4. The method for grading roads based on transportation of mobile dangerous chemicals according to claim 3, wherein the evaluation score s of each type of facility performance indexiAnd evaluation weight w of various facility performance indexesiAll obtained by expert evaluation.
5. The road grading method based on the transportation of the mobile hazardous chemical substances according to claim 1, wherein the calculation method of the road congestion condition index to be evaluated in the step 2 is as follows:
wherein v is the traffic flow of the road to be evaluated, c is the traffic capacity of the road to be evaluated, q is the vehicle with the hazardous chemical in the road to be evaluated, and Σ q is the total number of the hazardous chemical vehicles in each time period in the garden enterprise.
6. The method for grading roads based on transportation of mobile hazardous chemical substances according to claim 1, wherein the weight W of the comprehensive indexes of the performance of the road facilities to be evaluated in the step 31And the road congestion condition index weight W to be evaluated2All obtained by analytic hierarchy process.
7. The method for grading roads based on mobile dangerous chemical transportation according to claim 1, wherein the method for calculating the comprehensive index Z in the step 4 comprises the following steps:
8. the method for classifying roads based on mobile hazardous chemical transportation according to claim 1, wherein the classification criteria in the step 5 are specifically:
9. the application of the road grading method based on the transportation of the mobile hazardous chemical substances in claim 1 is characterized in that roads in a chemical industry park are graded and visualized to obtain a road grading visualization distribution map based on the transportation of the mobile hazardous chemical substances.
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