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Author

Zhongchang Wang

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2 papers indexed here

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Open access Aug 2026

Risk assessment of slopes at railway tunnel portals in cold regions under freeze–thaw action

In the cold regions of Northeast China, slopes at railway tunnel portals are subjected to long-term freeze–thaw cycles, which progressively degrade the soil structure and seriously threaten the infrastructure and operational safety of railway tunnels. However, existing evaluation methods cannot adequately integrate the...

Jia-Yu Fan, Wen-Rui Bian, Yuan-Kun Qin et al. · 0 citations
Open access Sep 2026

Safety-state evolution of the vehicle–track–subgrade system in seasonally frozen regions

Frost heave of railway subgrades in seasonally frozen regions can severely threaten the safe operation of railway lines. However, the evaluation criteria for railway operational safety remain inconsistent. In this study, a discrete element model of a ballasted track–subgrade system and a vehicle–track dynamic model wer...

Zhongchang Wang, Yin Zhang, Wen-Rui Bian et al. · 0 citations

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