2022
DOI: 10.21203/rs.3.rs-1391240/v1
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Definition and Quantified Research of Track Structural Damage Index of High-speed Railway Girder Bridge

Abstract: The classification and quantitative description of damage of track structure for high-speed railway girder bridges (HRGBs) are still in the exploratory stage, which seriously interferes with the performance-based seismic damage assessment of HRGBs. In view of this, firstly, from the safety and stability of train operation, this paper defines the damage grade of track structure (intact, slight, moderate, severe and complete damage state) by refining the train operation index value. Secondly, based on the simple… Show more

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