Here,　on　site　testing　was　conducted　for　ground　vibration　of　Paris-Brussels　high-speed　railway,　and　ground　vibration　characteristics　and　propagation　decay　laws　of　embankments　and　eutting　sections　caused　by　high-speed　train　operation　were　analyzed　contrastively.　Based　on　the　liasie　principle　of　2.　5-dimensional　finile　element　mr-llxul.　a　2.　5-dimensional　finih*　t-lt-tiM-til　dynamic　calculation　model　for　embankment　and　cutting　section　under　high-speed　rail　load　was　derived　arul　establisbed.　Effects　nl　emltankment　arul　culling　design　parameters　on　ground　vibration　cbaracterislics　wen*　discussed　!i!　delad.　Tbe　resiills　dinwcd　tbal　gTOWg　vihralinn　ainplilude　near　1　r:n　k:-　mamh　affecled　b\　Irani　axle　load,　while　ibe　su[　©　2024　Chinese　Vibration　Engineering　Society.　All　rights　reserved.