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Optimization of CTC System of beijing-shanghai hsr and Prospect for its Intelligence

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Chinese Railways 2022年第2期 34-38页

作者： JIN Jun FEI Zhenhao Department of Track Communication&Signaling and Power SupplyChina State Railway Group Co.Ltd. shanghai Engineering Research Center of Railway Intelligent Dispatching Command System Science and Technology Management Department CASCO Signal Ltd.

In view of the practical application of centralized traffic control(CTC)system of the beijing-shanghai hsr and in combination with the line conditions and user requirements,the system is optimized in terms of route self-triggering polling frequency,train receiving route self-triggering timing,train departure route section processing,route self-triggering between yards,wireless route forecasting and automatic train number conversion,which improves the efficiency of automatic route setting of CTC system and the adaptability of high-density and long-major *** the same time,according to the intelligent development requirements of railways,the paper proposes the expectation for the centralized traffic control system of the beijing-shanghai hsr in terms of intelligent adjustment of TWD,information sharing with traction power supply supervisory control and data acquisition(SCADA)system/disaster monitoring system,intelligent linkage of posts,etc.

关键词： beijing-shanghai hsr centralized traffic control system optimization intelligence

hsr mechanisms and effects on the spatial structure of regional tourism in China

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Journal of Geographical Sciences 2016年第12期26卷 1725-1753页

作者：汪德根王莉陈田陆林牛玉 ALAN August Lew School of Architecture Soochow University College of Territorial Resources and Tourism in Anhui Normal University Institute of Geographic Sciences and Natural Resources Research CAS Department of Tourism Recreation and Sport Management University of Florida Department of Geography Planning and Recreation Northern Arizona University

Chinese railway has entered the ＂hsr era＂, while the structure of ＂four vertical and four horizontal＂ railways for transit passengers is almost completed. Taking the beijing-shanghai High-Speed Rail （hereinafter referred to as hsr） as an example, this paper first explores hsr＇s effects on the spatial structure of regional tourist flows using the social network analysis. Next, it notes changes in the accessibility of regional transportation. After analyzing the factors including initial endowment of regional tourism resources, hospitality facilities, the density of the regional tourism transportation network, and locations, the paper discusses the mechanisms through which hsr affects regional tourist flows. The study shows the following：（1） hsr＇s effects on the spatial structure of regional tourist flows are manifested through the Matthew effect, the filtering effect, the diffusion effect and the overlying effect, and （2） the Matthew effect of hsr is manifested under an obvious interaction of the location, the initial endowment of tourism resources, hospitality capacity, tourist transportation network density and ＂time-space compression＂. The filtering effect of hsr is manifested for those tourism nodes without favorable location conditions, endowment of tourism resources, hospitality capacity, or tourist transportation network density and without obvious benefits from ＂time-space compression＂. Those tourism nodes that boast advantages in terms of lo- cation condition, endowment of tourism resources, hospitality capacity, tourist transportation network density and obvious ＂time-space compression＂ will become sources for the diffusion effect. hsr will strengthen the aggregation effects of tourist flow in these diffusion sources, which will thereafter diffuse to peripheral tourist areas, manifesting ＂aggregation-diffusion＂. hsr has overlapped tourists＇ spatial traveling range over large-scale spaces. However, the overlying effect is only generated in those tourism nod

关键词： spatial structure hsr effect mechanism beijing-shanghai hsr

CO_(2) emissions reduction performance of China’s hsr based on substitution effect and demand effect

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Transportation Safety and Environment 2023年第3期5卷 38-45页

作者： Liying Wang Ping Yin Shangqing Liu School of Economics and Management Beijing Jiaotong UniversityBeijing 100044China

As an important transportation infrastructure and transportation backbone in China,high-speed rail(hsr)plays a critical role in promoting the development of green and low-carbon *** the CO_(2) emissions reduction performance of hsr will be conduci v e to pr omote the CO_(2) emissions r eduction w ork of the r ail w *** on the Dalkic hsr CO_(2) emissions r eduction performance model,by adjusting the hsr CO_(2) emission factor(CEF hsr),the annual times of departures(T)and other parameters,this study develops a Chinese hsr CO_(2) emissions reduction performance *** the beijing-shanghai hsr as the resear c h object,this study conducts a questionnaire survey to explore the substitution effect and demand effect of hsr on different transportation modes;collects data such as passenger v olume,av era ge electricity use and annual times of departures of the beijing-shanghai hsr in 2019;and calculates the CO_(2) emissions reduction performance of the beijing-shanghai *** study has two main results:(1)It builds a Chinese hsr CO_(2) emissions reduction performance model based on substitution effect and demand effect.(2)In 2019,the CO_(2) emissions of the beijing-shanghai hsr are 2898233.62 t,the CO_(2) emissions reduction performance of the beijing-shanghai hsr is 17999482.8 t,the annual CO_(2) emissions of the beijing-shanghai line in‘No hsr’case are 7.2 times as in the’hsr’case and the PKT of the hsr is 10.2 g/*** on the research results,this study proposes three CO_(2) emissions reduction policy *** study would be helpful for further hsr CO_(2) emissions reduction resear c h and departments related to railway transportation management to make CO_(2) emissions reduction policies.

关键词： high-speed rail(hsr) CO_(2)emissions CO_(2)emissions reduction performance model beijing-shanghai hsr

Assessment and Analysis of Carrying Capacity of 350 km/h EMUs Operating on beijing-shanghai Highspeed Railway

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Chinese Railways 2022年第2期 39-49页

作者： QU Siyuan SHI Junquan XU Ruihua Transport Department China Railway Shanghai Group Co Ltd. Collaborative Innovation Center on High-speed Rail Safety of Ministry of Education Nanjing Institute of Railway Technology College of Transportation Engineering Tongji University

This paper makes an analysis of the impact on the structure of the corridortype train working diagram by increasing the 350 km/h train pairs of beijing-shanghai High-speed Railway(hsr).According to the requirements of operation speed diversity,the multi-station receiving characteristics of cross-line trains and different train stopping schemes,this paper proposes a scheme of adding 350 km/h train pairs via computer analysis of carrying capability *** scheme is divided into three stages:(1)Initial stage:It is planned to increase trains running at 350 km/h,with 15~26 pairs of trains put into operation;(2)Rapid increase stage:27~142 pairs of 350 km/h trains are put into operation;(3)Full replacement stage:143~195 pairs of 350 km/h trains are put into operation,during which the number of cross-line trains under operation is controlled,the number of cross-line trains in each section is determined,the operation and connection scheme of cross-line trains is adjusted and the train stopping scheme is *** results of this study were used for the adjustment of the train working diagram in the third quarter of June 25,2021 to increase the number of 350 km/h train pairs from 19 to 30 on beijing-shanghai hsr.350 km/h trains are evenly arranged during 7:00—19:00 on the train working diagram and 300 km/h trains are arranged by making full use of every time and space,to improve the travelling speed on beijing-shanghai hsr as a whole.

关键词： beijing-shanghai hsr 350 km/h EMU train operation scheme train operation diagram carrying capacity assessment simulation analysis

Development of Subgrade Technical System for High-speed Railway

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Chinese Railways 2022年第2期 20-33页

作者： YOU Changlong Engineering Management Center China State Railway Group Co.Ltd.

There are two phases in the development of China's high-speed railway after the1990s:the research and experiment phase during the Eighth and the Tenth Five-Year Plan periods;the construction and operation phase during the Eleventh and the Thirteenth Five-Year Plan *** paper regards the beijing-shanghai High-Speed Railway as the corner stone in the development of high-speed railway subgrade system,and proposes suggestions and solutions to the problems which may reduce the service life of *** solutions and methods can be referred to in future railway projects.

关键词： high-speed railway beijing-shanghai hsr technical system for subgrade subgrade vitality ground treatment settlement&deformation filler compaction slope protection

Study on the Impact of beijing-shanghai Highspeed Railway on Highquality Economic and Social Development

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Chinese Railways 2022年第2期 12-19页

作者： GUO Shudong TIAN Yaming WANG Yan China Railway Economic and Planning Research Institute Co Ltd. Institute of Economics and Management China Railway Economic and Planning Research Institute Co Ltd.

Based on the new development concept in China's new stage of high-quality development,this paper qualitatively analyzes the impact of beijing-shanghai Highspeed Railway(hsr)on high-quality economic and social *** select the data of areas along beijing-shanghai hsr and adjacent unopened areas for quantitative comparative study,and summarize the important demonstration and enlightenment role of beijing-shanghai *** results show that beijing-shanghai hsr,as an important national infrastructure project,not only improves the travel quality of people,but also drives the high-quality economic and social development,which is of great significance in promoting the formation of a new pattern of high-quality development along the line,especially in promoting green development.

关键词： beijing-shanghai hsr economic and social impact high-quality development

Horizontal Push Plate Test and Simulation of CRTS II Slab Ballastless Track

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Chinese Railways 2022年第2期 3-11页

作者： LIU Xuewen GU Yonglei LIU Yu beijing-shanghai High Speed Railway Co.Ltd. Equipment Safety Department Beijing-Shanghai High Speed Railway Co.Ltd. School of Civil Engineering Southwest Jiaotong University

Good interlayer interface performance is the key to maintaining the stability of CRTSⅡslab ballastless track *** a project,the tangential cohesion parameters of CRTSⅡslab ballastless track structure are generally measured by horizontal push plate test,so as to measure the interlayer interface *** push plate contraction scale and full scale tests of CRTSⅡslab ballastless track structure are carried out to obtain the tangential force-displacement relation curve of the interlayer interface,thus obtaining the parameters of cohesion model.A threedimensional progressive damage analysis model for CRTSⅡslab ballastless track structure is established,the whole process inversion of the horizontal push plate test is carried out,and the reliability of the contraction scale test results is verified by means of simulation and comparative analysis of test *** results show that the greater the tangential stiffness of the interlayer interface of the track structure,the weaker the interlayer deformation coordination capability;the more significant the non-uniformity of the interface damage,the more likely the stress concentration;the greater the fracture toughness,the less likely the disjoint in the interlayer interface of the track structure.

关键词： beijing-shanghai hsr CRTSⅡ slab ballastless track interlayer interface push plate test cohesion model progressive damage