Research purposes: Based on the characteristic of large proportion of the elevated line in Shenzhen metro line 3,this paper puts forward several topics to be researched emphatically on the elevated line to solve the key technological issues for elevated line design.
Research results: Through the study for topics on the elevated bridge,station platform type,decreasing vibration and noise reduction,etc. ,this paper researches the design experiences and relative technical measures for elevated line of urban rail transit.
According to the survey data from the comparative examination in ground and elevated railway of Guangzhou Subway,the calculation error of the prediction mode is below the range of 1 6 dB(A) . It proves the recommended prediction mode is feasible.
Based on the design and the operation of the first-stage project of elevated station in Wuhan rail transit line 1, the ideas and methods of building elevated stations above the road are discussed. Some key problems in the design of elevated stations are discussed, and it is put forward that the elevated lines should be planned on one side of road at the beginning of land use planning and control.