近年来,美国一直通过“煤炭优先”计划等推动先进燃煤电厂、先进煤化工等技术和装备的发展,并进一步提高效率、降低与碳捕集相关的成本从而支持“煤+碳捕集、利用与封存(carbon capture,utilization and storage,CCUS)”技术的开发与部...近年来,美国一直通过“煤炭优先”计划等推动先进燃煤电厂、先进煤化工等技术和装备的发展,并进一步提高效率、降低与碳捕集相关的成本从而支持“煤+碳捕集、利用与封存(carbon capture,utilization and storage,CCUS)”技术的开发与部署,同时还重点研发从煤及煤基能源等中回收稀土元素的技术。系统梳理了美国煤炭清洁高效利用全过程的研发投入、研发方向和研发机构等情况,结合中国清洁煤技术发展现状,提出在“双碳”目标下发展煤炭清洁高效利用前沿技术的发展建议,可为中国进一步构建绿色低碳、安全高效的现代能源体系提供参考。展开更多
The geological features of three types of tropical volcanic rock and soil distributed along Jakarta-Bandung high-speed railway(HSR),including pozzolanic clayey soil,mud shale and deep soft soil,are studied through fie...The geological features of three types of tropical volcanic rock and soil distributed along Jakarta-Bandung high-speed railway(HSR),including pozzolanic clayey soil,mud shale and deep soft soil,are studied through field and laboratory tests.The paper analyzes the mechanism and causes of engineering geological problems caused by tropical volcanic rock and soil and puts forward measures to control subgrade slope instability by rationally determining project type,making side slope stability control and strengthening waterproofing and drainage.The“zero front slope”tunneling technology at the portal,the simplified excavation method of double-side wall heading and the cross brace construction method of arch protection within the semi-open cut row pile frame in the“mountainside”eccentrically loaded soft soil stratum are adopted to control the instability of tunnel side and front slopes,foundation pits and working faces;CFG or pipe piles shall be used to reinforce soft and expansive foundation or replacement measures shall be taken,and the scheme of blind ditch+double-layer water sealing in ballastless track section shall be put forward to prevent arching deformation of foundation;the treatment measures of CFG pile,pipe pile and vacuum combined piled preloading are adopted to improve the bearing capacity of foundation in deep soft soil section and solve the problems of settlement control and uneven settlement.These engineering countermeasures have been applied during the construction of Jakarta-Bandung HSR and achieved good results.展开更多
Jakarta-Bandung HSR in Indonesia is the first“go global”project of China's high speed railway with a whole system,all elements and a whole industry chain,as well as the first overseas project adopting a complete...Jakarta-Bandung HSR in Indonesia is the first“go global”project of China's high speed railway with a whole system,all elements and a whole industry chain,as well as the first overseas project adopting a complete set of Chinese standards.This paper sorts out the differences between relevant standards in China and Indonesia,including those in concrete raw materials,rebar standards and other main material standards,and those in external interface standards,train operation direction requirements,project approval requirements,special acceptance requirements,etc.,and summarizes the realization methods and specific achievements of localized application of Chinese standards during the implementation of Jakarta-Bandung HSR Project,to provide reference for localized application of Chinese standards in overseas projects in the future.展开更多
This paper analyzes the geographical,climatic,cultural and religious factors that influence station building design,and discusses the characteristics and design concepts of traditional Indonesian building.Additionally...This paper analyzes the geographical,climatic,cultural and religious factors that influence station building design,and discusses the characteristics and design concepts of traditional Indonesian building.Additionally,the following innovative concepts are proposed for station building design:innovation in the building form that organically integrates high speed railway characteristics with regional features;innovation in spatial layout that adapts to the local climate and culture;innovation in flexible flow lines and diverse commercial spaces;innovation in interior design that fully incorporates the local culture.The station buildings of Jakarta-Bandung HSR not only fulfill the function of passenger riding but also serve as prominent landmark structures that spread regional culture and represent the city's image so as to offer valuable insights for the design of high speed railway station buildings in future overseas projects.展开更多
文摘近年来,美国一直通过“煤炭优先”计划等推动先进燃煤电厂、先进煤化工等技术和装备的发展,并进一步提高效率、降低与碳捕集相关的成本从而支持“煤+碳捕集、利用与封存(carbon capture,utilization and storage,CCUS)”技术的开发与部署,同时还重点研发从煤及煤基能源等中回收稀土元素的技术。系统梳理了美国煤炭清洁高效利用全过程的研发投入、研发方向和研发机构等情况,结合中国清洁煤技术发展现状,提出在“双碳”目标下发展煤炭清洁高效利用前沿技术的发展建议,可为中国进一步构建绿色低碳、安全高效的现代能源体系提供参考。
文摘The geological features of three types of tropical volcanic rock and soil distributed along Jakarta-Bandung high-speed railway(HSR),including pozzolanic clayey soil,mud shale and deep soft soil,are studied through field and laboratory tests.The paper analyzes the mechanism and causes of engineering geological problems caused by tropical volcanic rock and soil and puts forward measures to control subgrade slope instability by rationally determining project type,making side slope stability control and strengthening waterproofing and drainage.The“zero front slope”tunneling technology at the portal,the simplified excavation method of double-side wall heading and the cross brace construction method of arch protection within the semi-open cut row pile frame in the“mountainside”eccentrically loaded soft soil stratum are adopted to control the instability of tunnel side and front slopes,foundation pits and working faces;CFG or pipe piles shall be used to reinforce soft and expansive foundation or replacement measures shall be taken,and the scheme of blind ditch+double-layer water sealing in ballastless track section shall be put forward to prevent arching deformation of foundation;the treatment measures of CFG pile,pipe pile and vacuum combined piled preloading are adopted to improve the bearing capacity of foundation in deep soft soil section and solve the problems of settlement control and uneven settlement.These engineering countermeasures have been applied during the construction of Jakarta-Bandung HSR and achieved good results.
文摘Jakarta-Bandung HSR in Indonesia is the first“go global”project of China's high speed railway with a whole system,all elements and a whole industry chain,as well as the first overseas project adopting a complete set of Chinese standards.This paper sorts out the differences between relevant standards in China and Indonesia,including those in concrete raw materials,rebar standards and other main material standards,and those in external interface standards,train operation direction requirements,project approval requirements,special acceptance requirements,etc.,and summarizes the realization methods and specific achievements of localized application of Chinese standards during the implementation of Jakarta-Bandung HSR Project,to provide reference for localized application of Chinese standards in overseas projects in the future.
文摘This paper analyzes the geographical,climatic,cultural and religious factors that influence station building design,and discusses the characteristics and design concepts of traditional Indonesian building.Additionally,the following innovative concepts are proposed for station building design:innovation in the building form that organically integrates high speed railway characteristics with regional features;innovation in spatial layout that adapts to the local climate and culture;innovation in flexible flow lines and diverse commercial spaces;innovation in interior design that fully incorporates the local culture.The station buildings of Jakarta-Bandung HSR not only fulfill the function of passenger riding but also serve as prominent landmark structures that spread regional culture and represent the city's image so as to offer valuable insights for the design of high speed railway station buildings in future overseas projects.
