Mechanical properties of foamed polyurethane solidified ballasted track
Foamed Polyurethane Solidified Ballasted Track (FPSBT), an innovative railway track, is formed by solidifying ballast bed with foamed polyurethane. Compared with the traditional Discrete Ballasted Track (DBT), FPSBT does not require regular maintenance such as tamping and cleaning. However, limited...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
KeAi Communications Co., Ltd.
2023-06-01
|
| Series: | High-Speed Railway |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949867823000168 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1846170030479245312 |
|---|---|
| author | Yang Xu Luchao Qie Hong Wang Wenying Yu |
| author_facet | Yang Xu Luchao Qie Hong Wang Wenying Yu |
| author_sort | Yang Xu |
| collection | DOAJ |
| description | Foamed Polyurethane Solidified Ballasted Track (FPSBT), an innovative railway track, is formed by solidifying ballast bed with foamed polyurethane. Compared with the traditional Discrete Ballasted Track (DBT), FPSBT does not require regular maintenance such as tamping and cleaning. However, limited studies exist on the mechanical properties of FPSBT. In this study, Laboratory experiments are conducted on polyurethane samples to investigate the effects of polyurethane density on the mechanical properties of FPSBT. Furthermore, the performance of DBT and FPSBT with different polyurethane densities are compared, and the recommended polyurethane density is obtained. FPSBT exhibited negligible accumulation of deformation under cyclic loads, indicating excellent performance of FPSBT owing to the anti-deformation properties of polyurethane. Further, a track load vehicle test is conducted. FPSBT exhibited better load-transmitting ability than DBT. Finally, the construction and application of FPSBT in China are introduced. This study is expected to contribute to realizing a more extensive application of FPSBT. |
| format | Article |
| id | doaj-art-a25e2d6523f4498c9e9de64963b1ea74 |
| institution | Kabale University |
| issn | 2949-8678 |
| language | English |
| publishDate | 2023-06-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | High-Speed Railway |
| spelling | doaj-art-a25e2d6523f4498c9e9de64963b1ea742024-11-12T05:22:12ZengKeAi Communications Co., Ltd.High-Speed Railway2949-86782023-06-0112120129Mechanical properties of foamed polyurethane solidified ballasted trackYang Xu0Luchao Qie1Hong Wang2Wenying Yu3Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, ChinaCorresponding author; Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, ChinaRailway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, ChinaRailway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, ChinaFoamed Polyurethane Solidified Ballasted Track (FPSBT), an innovative railway track, is formed by solidifying ballast bed with foamed polyurethane. Compared with the traditional Discrete Ballasted Track (DBT), FPSBT does not require regular maintenance such as tamping and cleaning. However, limited studies exist on the mechanical properties of FPSBT. In this study, Laboratory experiments are conducted on polyurethane samples to investigate the effects of polyurethane density on the mechanical properties of FPSBT. Furthermore, the performance of DBT and FPSBT with different polyurethane densities are compared, and the recommended polyurethane density is obtained. FPSBT exhibited negligible accumulation of deformation under cyclic loads, indicating excellent performance of FPSBT owing to the anti-deformation properties of polyurethane. Further, a track load vehicle test is conducted. FPSBT exhibited better load-transmitting ability than DBT. Finally, the construction and application of FPSBT in China are introduced. This study is expected to contribute to realizing a more extensive application of FPSBT.http://www.sciencedirect.com/science/article/pii/S2949867823000168Ballasted trackFoamed polyurethaneSolidified trackTrack load vehicle |
| spellingShingle | Yang Xu Luchao Qie Hong Wang Wenying Yu Mechanical properties of foamed polyurethane solidified ballasted track High-Speed Railway Ballasted track Foamed polyurethane Solidified track Track load vehicle |
| title | Mechanical properties of foamed polyurethane solidified ballasted track |
| title_full | Mechanical properties of foamed polyurethane solidified ballasted track |
| title_fullStr | Mechanical properties of foamed polyurethane solidified ballasted track |
| title_full_unstemmed | Mechanical properties of foamed polyurethane solidified ballasted track |
| title_short | Mechanical properties of foamed polyurethane solidified ballasted track |
| title_sort | mechanical properties of foamed polyurethane solidified ballasted track |
| topic | Ballasted track Foamed polyurethane Solidified track Track load vehicle |
| url | http://www.sciencedirect.com/science/article/pii/S2949867823000168 |
| work_keys_str_mv | AT yangxu mechanicalpropertiesoffoamedpolyurethanesolidifiedballastedtrack AT luchaoqie mechanicalpropertiesoffoamedpolyurethanesolidifiedballastedtrack AT hongwang mechanicalpropertiesoffoamedpolyurethanesolidifiedballastedtrack AT wenyingyu mechanicalpropertiesoffoamedpolyurethanesolidifiedballastedtrack |