Rail transport has a crucial role in shaping the transportation system in a country.For instance,rail transport has played a significant role in movement of goods and people in Kenya and in Africa as whole for almost ...Rail transport has a crucial role in shaping the transportation system in a country.For instance,rail transport has played a significant role in movement of goods and people in Kenya and in Africa as whole for almost a century.By 1990,however,the industry started to decline due to competition from more reliable and efficient means of transportation(buses and trucks).Passenger services had almost disappeared(accounting for less than 1%of total traffic).Against this background,this research paper analyses consideration factors for sustainability of the SGR(Standard Gauge Railway)infrastructure in Kenya.A case study method was selected and mainly used the desk top research approach to collect secondary data that were drawn from railway institution records,railway journals,railway magazines,internet and other secondary sources from projects,contract documents and government reports.The research results were used to formulate a roadmap for sustainable railway infrastructure projects.The research also discusses the outcomes and makes some recommendations for railway transportation infrastructure projects sustainability.展开更多
Stratum deformation(settlement) is a challenging issue in tunnel engineering, especially when construction of metro tunnels has to undercut high-speed railway. For this purpose, we used the FLAC30 software to analyze ...Stratum deformation(settlement) is a challenging issue in tunnel engineering, especially when construction of metro tunnels has to undercut high-speed railway. For this purpose, we used the FLAC30 software to analyze the stratum settlement characteristics of high-speed railway at different crossing angles intersected by metro tunnel, in terms of ground settlement trough, stratum slip line and irregularity of ballastless tracks. According to the evolution of the stratum settlement at different angle regions, an optimized angle is proposed for the actual project design. In order to reduce the influence of stratum settlement on the safety of high-speed railway, an approach of safety assessment is proposed for the shield engineering undercutting high-speed railway, as per Chinese specifications using numerical results and on-site conditions. A case study is conducted for the shield tunnel section crossing the Wuhan-Guangzhou High-speed Railway between the Guangzhou North Railway Station and the Huacheng Road Station, which represents the first metro tunnel project passing below a high-speed railway in China. A series of measures is taken to ensure the safe excavation of the shield tunnel and the operation of the high-speed railway. The results can provide a technical support for performing a safety evaluation between high-speed railways and metro tunnels.展开更多
Purpose-In an increasingly interconnected world,transportation infrastructure has emerged as a critical determinant of economic growth and global competitiveness.High-speed rail(HSR),characterized by its exceptional s...Purpose-In an increasingly interconnected world,transportation infrastructure has emerged as a critical determinant of economic growth and global competitiveness.High-speed rail(HSR),characterized by its exceptional speed and efficiency,has garnered widespread attention as a transformative mode of transportation that transcends borders and fosters economic development.The Kuala Lumpur-Singapore(KL-SG)HSR project stands as a prominent exemplar of this paradigm,symbolizing the potential of HSR to serve as a catalyst for national economic advancement.Design/methodologylapproach-This paper is prepared to provide an insight into the benefits and advantages of HSR based on proven case studies and references from global HSRs,including China,Spain,France and Japan.Findings-The findings that have been obtained focus on enhanced connectivity and accessibility,attracting foreign direct investment,revitalizing regional economies,urban development and city regeneration,boosting tourism and cultural exchange,human capital development,regionai integration and environmental and sustainability benefits.Originality/value-The KL-SG HSR,linking Kuala Lumpur and Singapore,epitomizes the potential for HSR to be a transformative agent in the realm of economic development.This project encapsulates the aspirations of two dynamic Southeast Asian economies,united in their pursuit of sustainable growth,enhanced connectivity and global competitiveness.By scrutinizing the KLSG High-Speed Rail through the lens of economic benchmarking,a deeper understanding emerges of how such projects can drive progress in areas such as cross-border trade,tourism,urban development and technological innovation.展开更多
全面介绍英国学者David Martin-Clark在第十五届国际仲裁员会议上发表的论文Incorporation of Charter partyClauses into bills of lading—The Ebb and Flow in EnglishLawover the last100years,详细介绍文中所述的12个相关案例及英...全面介绍英国学者David Martin-Clark在第十五届国际仲裁员会议上发表的论文Incorporation of Charter partyClauses into bills of lading—The Ebb and Flow in EnglishLawover the last100years,详细介绍文中所述的12个相关案例及英国法官的几点结论。展开更多
文摘Rail transport has a crucial role in shaping the transportation system in a country.For instance,rail transport has played a significant role in movement of goods and people in Kenya and in Africa as whole for almost a century.By 1990,however,the industry started to decline due to competition from more reliable and efficient means of transportation(buses and trucks).Passenger services had almost disappeared(accounting for less than 1%of total traffic).Against this background,this research paper analyses consideration factors for sustainability of the SGR(Standard Gauge Railway)infrastructure in Kenya.A case study method was selected and mainly used the desk top research approach to collect secondary data that were drawn from railway institution records,railway journals,railway magazines,internet and other secondary sources from projects,contract documents and government reports.The research results were used to formulate a roadmap for sustainable railway infrastructure projects.The research also discusses the outcomes and makes some recommendations for railway transportation infrastructure projects sustainability.
基金the National Natural Science Foundation of China(Grant Nos. 51278423 and 51478395)for its financial support
文摘Stratum deformation(settlement) is a challenging issue in tunnel engineering, especially when construction of metro tunnels has to undercut high-speed railway. For this purpose, we used the FLAC30 software to analyze the stratum settlement characteristics of high-speed railway at different crossing angles intersected by metro tunnel, in terms of ground settlement trough, stratum slip line and irregularity of ballastless tracks. According to the evolution of the stratum settlement at different angle regions, an optimized angle is proposed for the actual project design. In order to reduce the influence of stratum settlement on the safety of high-speed railway, an approach of safety assessment is proposed for the shield engineering undercutting high-speed railway, as per Chinese specifications using numerical results and on-site conditions. A case study is conducted for the shield tunnel section crossing the Wuhan-Guangzhou High-speed Railway between the Guangzhou North Railway Station and the Huacheng Road Station, which represents the first metro tunnel project passing below a high-speed railway in China. A series of measures is taken to ensure the safe excavation of the shield tunnel and the operation of the high-speed railway. The results can provide a technical support for performing a safety evaluation between high-speed railways and metro tunnels.
基金Universiti Tun Hussein Onn Malaysia(UTHM)through Tier 1(Vot H936).
文摘Purpose-In an increasingly interconnected world,transportation infrastructure has emerged as a critical determinant of economic growth and global competitiveness.High-speed rail(HSR),characterized by its exceptional speed and efficiency,has garnered widespread attention as a transformative mode of transportation that transcends borders and fosters economic development.The Kuala Lumpur-Singapore(KL-SG)HSR project stands as a prominent exemplar of this paradigm,symbolizing the potential of HSR to serve as a catalyst for national economic advancement.Design/methodologylapproach-This paper is prepared to provide an insight into the benefits and advantages of HSR based on proven case studies and references from global HSRs,including China,Spain,France and Japan.Findings-The findings that have been obtained focus on enhanced connectivity and accessibility,attracting foreign direct investment,revitalizing regional economies,urban development and city regeneration,boosting tourism and cultural exchange,human capital development,regionai integration and environmental and sustainability benefits.Originality/value-The KL-SG HSR,linking Kuala Lumpur and Singapore,epitomizes the potential for HSR to be a transformative agent in the realm of economic development.This project encapsulates the aspirations of two dynamic Southeast Asian economies,united in their pursuit of sustainable growth,enhanced connectivity and global competitiveness.By scrutinizing the KLSG High-Speed Rail through the lens of economic benchmarking,a deeper understanding emerges of how such projects can drive progress in areas such as cross-border trade,tourism,urban development and technological innovation.
文摘全面介绍英国学者David Martin-Clark在第十五届国际仲裁员会议上发表的论文Incorporation of Charter partyClauses into bills of lading—The Ebb and Flow in EnglishLawover the last100years,详细介绍文中所述的12个相关案例及英国法官的几点结论。
