Study on vibration characteristics of fine breccia soil subgrade reinforced with a new prestressed structure under train cyclic loading

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成果类型：

期刊论文

作者：

Dong, Junli;Xu, Fang;Zhang, Qishu;Leng, Wuming;Li, Yafeng;...

通讯作者：

Xu, F

作者机构：

[Xu, Fang; Dong, Junli; Yang, Qi; Leng, Wuming; Zhang, Qishu] Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China.

[Yang, Qi; Leng, Wuming; Xu, Fang] Cent South Univ, MOE Key Lab Engn Struct Heavy Haul Railway, Changsha 410075, Peoples R China.

[Zhang, Qishu] Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha 410004, Peoples R China.

[Li, Yafeng] Anhui Univ Sci & Technol, Sch Civil Engn & Architecture, Huainan 232001, Peoples R China.

[Wu, Shuangshuang] Hohai Univ, Sch Earth Sci & Engn, Nanjing 211100, Peoples R China.

通讯机构：

[Xu, F ] C

Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China.

语种：

英文

关键词：

Fine breccia soil subgrade;Prestressed reinforcement structure;Scale model test;Dynamic response;Numerical simulation

期刊：

Construction and Building Materials

ISSN：

0950-0618

年：

2023

卷：

397

页码：

132364

DOI：

10.1016/j.conbuildmat.2023.132364

基金类别：

CRediT authorship contribution statement Junli Dong: Writing – original draft, Formal analysis, Conceptualization. Fang Xu: Writing – review & editing, Methodology, acquisition, Conceptualization. Qishu Zhang: Writing – review & editing. Wuming Leng: Writing – review & editing, Supervision, Methodology. Yafeng Li: Writing – original draft. Shuangshuang Wu: Writing – review & editing. Qi Yang: Writing – original draft, Conceptualization.

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Train cyclic loading generally results in significant dynamic responses of the breccia soil subgrade, resulting in a series of subgrade problems. A new prestressed reinforcement structure (PRS) is proposed to reinforce subgrade structures. However, characteristics of the prestressed subgrade under dynamic loading have not been investigated. This study investigates the vibration characteristics of a new prestressed subgrade structure under train cyclic loading. The acceleration responses of the subgrade surface under different train axle loads and prestress levels are measured and discussed by ...

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Study on vibration characteristics of fine breccia soil subgrade reinforced with a new prestressed structure under train cyclic loading

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