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Dynamic characteristics and safe operation speed threshold of metro train passing through curved bridge considering resilient wheel

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成果类型:
期刊论文
作者:
Wu, Yuexing;Pu, Qianhua;Chen, Zhaowei;Hong, Xinmin;Wang, Xinzhong
通讯作者:
Pu, QH
作者机构:
[Hong, Xinmin; Wu, Yuexing; Wang, Xinzhong] Hunan City Univ, Sch Civil Engn, Yiyang, Peoples R China.
[Pu, QH; Pu, Qianhua] Southwest Jiaotong Univ, Sch Civil Engn, 111,North Sect 1,Second Ring Rd, Chengdu, Sichuan, Peoples R China.
[Chen, Zhaowei] Chongqing Jiaotong Univ, State Key Lab Mt Bridge & Tunnel Engn, 66 Xuefu Rd, Chongqing, Peoples R China.
通讯机构:
[Pu, QH ] S
Southwest Jiaotong Univ, Sch Civil Engn, 111,North Sect 1,Second Ring Rd, Chengdu, Sichuan, Peoples R China.
语种:
英文
关键词:
Curved bridge;Metro train;Resilient wheel;Safe operation speed threshold;Vehicle–track–bridge coupled vibration
期刊:
Scientific Reports
ISSN:
2045-2322
年:
2025
卷:
15
期:
1
页码:
3818
基金类别:
Natural Science Foundation of Hunan Province, China [2024JJ7077]; Research Foundation of Education Bureau of Hunan Province, China [23B0732, 22B0793]
机构署名:
本校为第一机构
院系归属:
土木工程学院
摘要:
To investigate the dynamic characteristics and safe operation speed threshold of metro train passing through curved bridge (CB) considering resilient wheels, the mechanical connection characteristics of rim and web are discussed firstly. Based on the train-track-bridge interaction theory, the coupled dynamic model of metro train-CB considering resilient wheels is established. Then, the vehicle-bridge coupled dynamic characteristics under the excitation of long-short wave track irregularity are researched. Finally, from the perspective of dynamics, the safe operating speed threshold of metro tr...

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