Showing papers in "Transport Standardization in 2010"
Journal Article•
TL;DR: Through the traffic investigation and data analysis of an intersection in Harbin, an intersection optimization plan is proposed from the aspect of the space and time transportation design optimization and the conclusion that the new plan can improve the traffic efficiency of intersections is deduced.
Abstract: Through the traffic investigation and data analysis of an intersection in Harbin,an intersection optimization plan is proposed from the aspect of the space and time transportation design optimization,as well as the intersection′s present situation and the optimization plan are studied with VISSIM transportation simulation software. By comparing old and new plans,the conclusion that the new plan can improve the traffic efficiency of intersections is deduced.
5 citations
Journal Article•
TL;DR: It studies the relationship between speed difference and crash rate, using speed and accident data of nine freeway in China to show that the accident rate has obvious correlation with the dispersion of speed.
Abstract: It studies the relationship between speed difference and crash rate,using speed and accident data of nine freeway in China. Research shows that the accident rate has obvious correlation with the dispersion of speed. According to the accident rate and speed scatter distribution,several kinds of model are fitted,The significant level of F as well as R2 are analyzed arriving at the index distribution model of accident rate and speed standard deviation. It is significant to guaranteeing the traffic safety on expressway.
4 citations
Journal Article•
TL;DR: It is necessary to find out the rule and reasons of violating the traffic laws to cross roads and put forward the new idea to prevent and correct the improper behavior.
Abstract: The intersection in cities is the key node to urban traffic,also the place traffic accident taking place frequentlyThe safety of disadvantaged group of traffic,that is pedestrian,is obviousThe behavior of violating traffic laws to cross the road is not only the main cause of pedestrians' traffic accident,but also the key factor of traffic disorderTherefore,it is necessary to find out the rule and reasons of violating the traffic laws to cross roads and put forward the new idea to prevent and correct the improper behavior
3 citations
Journal Article•
TL;DR: It is proposed that Jinan needs to perfect the land use structure, give priority to bus system development, integrate NMT and bus system better and improve traffic management, so as to optimize urban trip structure, promote harmonious and sustainable development of urban traffic.
Abstract: In order to grasp the change tendency of Jinan citizen travel feature,it analyzes and compares the data from 2004 and 2009 citizen travel survey in aspects of trip time,trip purpose,trip structure,trip time consumption,trip time distribution,etc.,and summarizes the change of trip feature,and the reason for it.In the end,it proposes that Jinan needs to perfect the land use structure,give priority to bus system development,integrate NMT and bus system better and improve traffic management,so as to optimize urban trip structure,promote harmonious and sustainable development of urban traffic.
3 citations
Journal Article•
TL;DR: Through the simulation analysis, it is found that the average passenger delay is relevant with the bus arrival rate and the priority time and the simulation results demonstrate that improved signal-planning method can reduceAverage passenger delay significantly.
Abstract: Bus signal priority at signalized intersections is an efficient and feasible approach to reduce bus delays.Through the simulation analysis,it is found that the average passenger delay is relevant with the bus arrival rate and the priority time.In order to reduce the average passenger delay,the signal-planning is improved and the simulation results demonstrate that improved signal-planning method can reduce average passenger delay significantly.
3 citations
Journal Article•
TL;DR: In this article, a taxi passenger demand forecast model based on trip generalized cost is proposed according to the influencing factors of taxi passengers demand, taking Beijing Chaoyang District' s taxi passenger forecast as the example, the availability of the model is validated.
Abstract: Taxi,as a kind of transport mode,plays an influential role in the municipal transportation system. In the entire day vehicle traffic volume of urban district road,taxi' s road occupying percentages are very different in different region of Beijing City,simultaneously emptyloaded ratio is higher than the normal. Therefore,carrying on Beijing taxi passengers demand forecast is imperative. Based on analyzing Beijing taxi trip's characteristics and laws,combining with the flaws of formerly studied taxi demand model,Beijing taxi passenger demand forecast model based on trip generalized cost is proposed according to the influencing factors of taxi passengers demand. Taking Beijing Chaoyang District' s taxi passenger demand forecast as the example,the availability of the model is validated.
3 citations
Journal Article•
TL;DR: The metro emergency handling can test the comprehensive ability of subway operation and can reduce the incident probability effectively and ensure the safety of passengers' life and property to study and practice the constitute elements and handling ability of the metro emergency as mentioned in this paper.
Abstract: The metro emergency handling can test the comprehensive ability of subway operation.It can reduce the incident probability effectively and ensure the safety of passengers'life and property to study and practice the constitute elements and handling ability of the metro Emergency.
3 citations
Journal Article•
TL;DR: In this article, the influence on route optimization and the relating links are analyzed so as to further study on vehicle route optimization, which would optimize the logistics distribution and improve the national economy level.
Abstract: The energy conservation and emission reduction are significant to environment protection and cost saving.On the basis,the influence on route optimization and the relating links are analyzed so as to further study on vehicle route optimization.It would optimize the logistics distribution and improve the national economy level.
2 citations
Journal Article•
TL;DR: Based on the survey data of Xinyi City in 2006, the characteristics of the resident trip of travel trips,mode,purpose and time distribution are analyzed in this article, which can provide basis for the traffic planning,construction and management of medium or small cities.
Abstract: Resident trip survey is the basic gist of traffic planning,construction and management.Based on the survey data of Xinyi City in 2006,the characteristics of the resident trip of travel trips,mode,purpose and time distribution are analyzed.And combining with the travel wish of the resident,road network condition of medium or small cities,future environment improvement and sustainable development of the urban transport,some transport deve1opment countermeasures are put forward from the aspects of the bus priority,importance of the bicyc1e transportation and motorcycle deve1opment control,which can provide basis for the traffic planning,construction and management of medium or small cities.
2 citations
Journal Article•
TL;DR: Foamed asphalt cold in-plant recycling technology is a series of processing engineering which must be digging,recycling,cracking and sieving the original asphalt, and then blend the mixture of regenerant, new asphalt, new aggregate with a certain proportion, to make the mixture satisfying certain road performance index and can be used to road surfacing.
Abstract: Foamed asphalt cold in-plant recycling technology is a series of processing engineering which must be digging,recycling,cracking and sieving the original asphalt,and then blend the mixture of regenerant, new asphalt,new aggregate with a certain proportion,to make the mixture satisfying certain road performance index and can be used to road surfacing.This technology is benefit for the environment,conserving the soil and moisture,as well as saving lots of investment,so it has an important significance for highway construction.
2 citations
Journal Article•
TL;DR: Cavity in secondary lining of the tunnel is the most common disease that worsen the healthy of tunnel as mentioned in this paper, which can be caused by a variety of reasons,in the construction through a various of measures can avoid the appearance of empty.
Abstract: Cavity in secondary lining of the tunnel is the most common disease that worsen the healthy of tunnel.Cavity lining caused by a variety of reasons,in the construction through a variety of measures can avoid the appearance of empty.
Journal Article•
TL;DR: In this article, the practical application of speed reduction markings both drivers and detecting datas is explored, it may provide some references for traffic managers and engineer designers to set speed reduction marking.
Abstract: In recent years,speed reduction markings have been widely used in urban roads and expressway in China.The current criterion has not owned a uniform standard of design and application,so setting speed reduction markings is hard to reach the object of management control and safety guarantee.This article explores the practical application of speed reduction markings both drivers and detecting datas,it may provide some references for traffic managers and engineer designers to set speed reduction markings.
Journal Article•
TL;DR: This research focuses on the crossing speed of pedestrian at signalized intersection and provides a design pedestrian speed at intersection for revision of the current intersection design standard and transportation policy.
Abstract: This research focuses on the crossing speed of pedestrian at signalized intersection.A survey was undertaken to acquire information on crossing speed under variety of situations.Following review of the survey results,statistical analysis was implemented in order to study the impact on pedestrian speed by different factors.By this methodology the author provides a design pedestrian speed at intersection for revision of the current intersection design standard and transportation policy.
Journal Article•
TL;DR: In this paper, a simplified calculation model of collision between vehicle and cable barrier is established based on the force characteristics of the cable barrier, based on appropriate assumption, and the result is benefit for the design and construction of fence of expressway.
Abstract: The collision between vehicle and cable barrier is a very complex mechanical process,many factors impact its dynamical response.The condition of the barrier system after collision is extremely complex,such as the deformation of beams,columns and foundation as well as the deformation,trajectory and overturning of the collision vehicle with a lot of randomness.According to the force characteristics of the cable barrier,based on appropriate assumption,a simplified calculation model of collision between vehicle and cable barrier is established.The result is benefit for the design and construction of fence of expressway.
Journal Article•
TL;DR: In this article, the investigative questionnaires about traffic participants' waiting tolerance were surveyed in 14 districts in Beijing and the analysis of 3,000 questionnaires, the level of traffic participants" waiting tolerance was suggested, which could be a reference in signal timing.
Abstract: Traffic participants' waiting tolerance is one of the factors influencing the traffic management especially in the harmonious and humanistic society which is being advocated. In order to improve the level of traffic management and guide the intelligent traffic control system construction,the investigative questionnaires about traffic participants' waiting tolerance were surveyed in 14 districts in Beijing. From the analysis of 3 000 questionnaires,the level of traffic participants' waiting tolerance were suggested,which could be a reference in signal timing.
Journal Article•
TL;DR: The method for shared parking is studied, the conditions and implementing steps of shared parking are put forward, and an example is analyzed, which can decrease the use of parking field, reduce the cost of project construction, and increase the efficiency of parking system.
Abstract: The design of CBD parking facility in Shanghai should apply with the development strategy of "low supply".However,the parking (library) construction standard in Shanghai migh t cause excess parking supply.In order to solve this problem,the method for shared parking is studied,the conditions and implementing steps of shared parking are put forward,and an example is analyzed,which can decrease the use of parking field,reduce the cost of project construction,and increase the efficiency of parking system.
Journal Article•
TL;DR: The rapid development of urban economy speeds up the urbanization and makes the urban population increase and with the increasing of purchasing power, the level of motorization has entered into a new fast growth stage as discussed by the authors.
Abstract: The rapid development of urban economy speeds up the urbanization and makes the urban population increase.Meanwhile,with the increasing of purchasing power,the level of motorization has entered into a new fast growth stage.Therefore,it is important and urgent to conduct prospective planning and improve urban traffic system.
Journal Article•
TL;DR: In this article, the existing problems in current highway tunnel lighting are analyzed from aspects of standard, lighting design and lighting control, which provides design ideas and reference for lighting, energy-saving of highway tunnel and traffic sustainable development.
Abstract: With the increase of highway tunnel mileages,the energy-saving problems in highway tunnel lighting must be solved.the existing problems in current highway tunnel lighting areanalyzed from aspects of standard,lighting design and lighting control.Aiming at these problems,the energysaving technology for highway tunnel lighting based on design parameters,energy-saving lamps and arrangement style,lighting control and solar energy application is prt forward,which provides design ideas and reference for lighting,energy-saving of highway tunnel and traffic sustainable development.
Journal Article•
TL;DR: In this paper, the influence of deicing salt on traffic infrastructure and ecological environment is analyzed in detail, its dangers are elaborated and it is pointed to strengthen deicing salts' dangers evaluation research and put forward relating suggestion.
Abstract: The influence of deicing salt on traffic infrastructure and ecological environment are analyzed in detail. Furthermore,its dangers are elaborated and it is pointed to strengthen deicing salt′s dangers evaluation research and put forward relating suggestion. It aims at providing reference for reasonable deicing salt usage evaluation scheme.
Journal Article•
TL;DR: According to the traffic flow characteristics of expressways' toll stations, the maximum traffic matrixes under different service levels are deduced applying M /G /K queuing model,thus the decision-making of toll stations' setting is done.
Abstract: The traffic capacity of expressways' toll station directly affects the traffic capacity of whole road,and restricts the operational status of highway traffic.Therefore oprimizing the setting of expressways' toll station and improving its traffic capacity is an effective method to heighten the service level of expressway.According to the traffic flow characteristics of expressways' toll stations,the maximum traffic matrixes under different service levels are deduced applying M /G /K queuing model,thus the decision-making of toll stations' setting is done.It is of great economic and social value.
Journal Article•
TL;DR: The analysis method for the dispatching and passenger flow information is studied based on status IC card information collection technology, and the feasibility of this method is verified by an example.
Abstract: With the development of technology,IC card has been widely used in subway and public transportation.The data collection,analysis and application of public transportation IC card are explored according to the characteristics of public transportation in Beijing.The analysis method for the dispatching and passenger flow information is studied based on status IC card information collection technology,and the feasibility of this method is verified by an example.
Journal Article•
TL;DR: Fuzzy comprehensive evaluation method is utilized to appraise the fitness of the site selection of a public bicycle station named "Desheng Community" in Hangzhou City according to membership degrees, the results of which have proved the validity and reliability of this evaluation methods system.
Abstract: In order to effectively solve the problem of the site selection of public bicycle stations,firstly,it analyzes and summarizes the factors which affect the site selection of public bicycle stations,at the same time,an ISM model is established and the corresponding evaluation index system is also gained.Then,analytic hierarchy process is introduced and relevant estimation matrix is constructed to calculate the weight of each index factor.Lastly,fuzzy comprehensive evaluation method is utilized to appraise the fitness of the site selection of a public bicycle station named "Desheng Community" in Hangzhou City according to membership degrees,the results of which have proved the validity and reliability of this evaluation methods system.The research can serve as scientific and reliable decision-making criteria for setting urban public bicycle station.
Journal Article•
TL;DR: In this paper, a remote sensing technology, which is not limited by ground condition, can detect the landform, terrain, geology and landmark, which can be beneficial for selecting discarded soil field and recovering and optimizing ecological environment.
Abstract: Remote sensing technology,which is not limited by ground condition,can detect the landform,terrain,geology and landmark.It is beneficial for selecting discarded soil field and recovering and optimizing ecological environment.
Journal Article•
TL;DR: Highway network node importance calculation method based on gray relatedness degree avoids the subjective during process of indicators selection and calculation of weight coefficient, which has the more important theoretical and practical significance on highway network planning and lay-out optimization.
Abstract: Node importance is the basis of node-level classification,at the same time node-level classification is based on optimizing the layout of road network,so calculation of node importance is an important degree of the road network planning. Highway network node importance calculation method based on gray relatedness degree avoids the subjective during process of indicators selection and calculation of weight coefficient,which has the more important theoretical and practical significance on highway network planning and lay-out optimization.
Journal Article•
TL;DR: The problems of current electronic police system and in practical application are analyzed to perfect and normalize the measures about electronicPolice system construction and application.
Abstract: Electronic police is an application of ITS,takes more and more important role in urban traffic management,having become one important means of strengthening guard through scientific means for all levels of highway traffic management departments So as to give full play to electronic police system in Chinese traffic management,the problems of current electronic police system and in practical application are analyzed to perfect and normalize the measures about electronic police system construction and application
Journal Article•
TL;DR: In this paper, the main materials used in road surface in China at present are asphalt concrete and cement concrete; each material has its advantages and shortages, and there is a certain complementarity existing between the two kinds of materials in terms of mechanical property and operating characteristics.
Abstract: Asphalt concrete and cement concrete are the main materials used in road surface in China at present.Each material has its advantages and shortages.There is a certain complementarity existing between the two kinds of materials in aspects of mechanical property and operating characteristics.Banding cement and asphalt together to form cement-emulsified asphalt concrete pavement and discussing the construction technology and pavement application have a certain practical significance.
Journal Article•
TL;DR: In this article, the connotation, characteristics and mutual relations of expressway cultural landscape were analyzed and the effect, forms of creative expression and other content of expressways cul-tural landscape combining with an instance, which can be consulted by expressway landscape designers.
Abstract: In allusion to the current problems existing in expressway cultural landscape construction in China,it analyzes the connotation,characteristics and mutual relations of expressway cultural landscape,and discusses the effect,forms of creative expression and other content of expressway cul-tural landscape combining with an instance,which can be consulted by expressway landscape designers.
Journal Article•
TL;DR: By carrying through indoor tests in allusion to such characteristic of coal gangue as the granular size, critical moisture content,natural moisture content and compaction characteristic,CBR,crushing value,disintegrative characteristic,distensibility,mineral component,ignition loss organic content and so on, whether the indexes meet the demand of highway subgrade on road material can be judged.
Abstract: By carrying through indoor tests in allusion to such characteristic of coal gangue as the granular size,critical moisture content,natural moisture content,compaction characteristic,CBR,crushing value,disintegrative characteristic,distensibility,mineral component,ignition loss organic content and so on,whether the indexes meet the demand of highway subgrade on road material can be judged.
Journal Article•
TL;DR: Pressure grouting technology is applied in highway mined area control in 1990's 20th centuryThis technology has played a very significant role in highway construction,and obtained very good social and economic benefits as mentioned in this paper.
Abstract: Pressure grouting technology is applied in highway mined area control in 1990's 20th centuryThis technology has played a very significant role in highway construction,and obtained very good social and economic benefits
Journal Article•
TL;DR: Based on the similarity of the component and character of road transport system and thermodynamic system, thermodynamic principle of entropy production is introduced to describe pure speed and the density, the traffic pressure and the viscous force cause entropy production respectively.
Abstract: Based on the similarity of the component and character of road transport system and thermodynamic system,it introduces thermodynamic principle of entropy production to describe pure speed and the density,the traffic pressure and the viscous force cause entropy production respectively.Traffic control and management quantification is treated as corporate negative entropy and also a part of the transport system total entropy.Different traffic state corresponding to the total entropy is analyzed by dissipative structure theory.It can provide reference for taking timely and effective traffic control and management of road transport system.