This Code is prepared on the basis of Code for Design on Subgrade o f RaiLway （TB 10001-2005） as per the requirements of National Railway Administration to establish a standard systemfor railway engineering and construction by summing up experience and research results in recent years on earthworks construction and operation of high-speed railway， intercity railway， mixed passenger and freight railway and heavy-haul railway.lt is a comprehensively revised edition to meet the needs for earthworks construction and development，to unify the design standard and improve the design level of railway earthworks，and to ensure the safety and quality of railway earthworks after learning from relevant standards of China and other countries and soliciting opinions on a wide basis.rrhis Code prioritizes safe operation and emphasizes the technical requirements regarding construction quality， resource saving， environmental protection and disaster prevention and mitigation in view of China- s present conditions9 and economic and social development.lt also specifies the main design criteria of railway earthworks based on different types of traffic and different grades of speed，making this Code more scientific and rational regarding technology and cost efficiency.
鄂公网安备 42010302001612号 