Investigation of the parallel gradation method based on response of ballast penetration into subgrade soil by discrete element method

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成果类型：

期刊论文

作者：

Zhang, Jie;Nie, Rusong;Tan, Yongchang;Huang, MaoTong;Li, Yafeng;...

通讯作者：

Nie, RS

作者机构：

[Huang, MaoTong; Nie, Rusong; Zhang, Jie; Tan, Yongchang] Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China.

[Nie, Rusong] Cent South Univ, MOE Key Lab Engn Struct Heavy Haul Railway, Changsha 410075, Peoples R China.

[Li, Yafeng] Anhui Univ Sci & Technol, Sch Civil Engn & Architecture, Huainan 232000, Peoples R China.

[Guo, Yipeng] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Peoples R China.

通讯机构：

[Nie, RS ] C

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

Cent South Univ, MOE Key Lab Engn Struct Heavy Haul Railway, Changsha 410075, Peoples R China.

语种：

英文

关键词：

Heavy haul railway;Ballasted track;Ballast penetration;Parallel gradation method;Discrete element method

期刊：

Computational Particle Mechanics

ISSN：

2196-4378

年：

2025

卷：

期：

页码：

245-260

DOI：

10.1007/s40571-024-00795-y

基金类别：

National Natural Science Foundation of China, 51878666, Rusong Nie, 52308335, Yafeng Li, 52008038, Yipeng Guo, Natural Science Foundation of Hunan Province, 2024JJ5035, Yipeng Guo, Foundation of National Engineering Laboratory for High-speed Railway Construction Technology, HSR201905, Yipeng Guo

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Treating ballast and subgrade soil as an integrated unit for sampling and loading has proven to be an effective method for investigating the interaction between ballast and subgrade soil. Given that direct testing of specimens containing large ballast is constrained by the capabilities of standard laboratory equipment, adopting a model material of smaller size is recommended. Parallel gradation method is widely used for this purpose. This study performed an evaluation of parallel gradation method based on the response of ballast penetration into subgrade soil. Discrete element models were deve...

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Investigation of the parallel gradation method based on response of ballast penetration into subgrade soil by discrete element method

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