Overview on safety management and maintenance of high-speed railway in China

C Lu, C Cai - Transportation Geotechnics, 2020 - Elsevier
As an important part of national security, railway safety is also an eternal theme in the
development and maintenance of railways. In this study, to explore the establishment of high …

Frequency spectra analysis of vertical stress in ballasted track foundations: influence of train configuration and subgrade depth

G Feng, Q Luo, T Wang, DP Connolly, K Liu - Transportation Geotechnics, 2024 - Elsevier
Railway tracks experience stress during train passage. Understanding these subgrade
stresses is essential for the design of track foundations and assessing their serviceability …

[HTML][HTML] Geogrid reinforcement of ballasted railway superstructure for stabilization of the railway track geometry–A case study

S Fischer - Geotextiles and geomembranes, 2022 - Elsevier
Background This article deals with a unique topic related to railway infrastructure, civil and
geotechnical engineering, and modern materials. In the past 20–30 years, more and more …

A framework for determining the optimal moisture content of high-speed railway-graded aggregate materials based on the lab vibration compaction method

K Xie, X Chen, T Li, Z Deng, J Yao, L Tang - Construction and Building …, 2023 - Elsevier
Abstract The Lab Vibration Compaction Method (LVCM) has been demonstrated to be the
most effective method for compacting High-Speed Railway Graded Aggregate (HRGA). The …

[HTML][HTML] Railway track substructure: Recent research and future directions

W Powrie - Transportation Geotechnics, 2024 - Elsevier
Rail has a vital role to play in the decarbonisation of transportation, both now and in the
future. It has the potential to mitigate, but also suffers from the effects of climate change, with …

Effectiveness of geogrid reinforcement in improvement of mechanical behavior of sand-contaminated ballast

J Sadeghi, ART Kian, H Ghiasinejad… - Geotextiles and …, 2020 - Elsevier
Vertical stiffness and shear strength of ballasts are significantly degraded when
contaminated with sands. There is a lack of solutions/studies related to strengthening ballast …

Discrete element analysis of geogrid-stabilized ballasted tracks under high-speed train moving loads

Z Luo, C Zhao, X Bian, Y Chen - Computers and Geotechnics, 2023 - Elsevier
The violent vibration and excessive settlement of trackbeds under high-speed train moving
loads are the main problems of ballasted tracks encountered in practice, which limits the rise …

Dynamic behavior of railway Vehicle-Ballasted track system with unsupported sleepers based on the hybrid DEM-MBD method

J Fang, C Zhao, X Lu, W Xiong, C Shi - Construction and Building Materials, 2023 - Elsevier
In order to understand dynamic effect of the unsupported sleepers on railway substructure at
the meso-macroscopic scales, this paper develops a dynamics analysis framework …

Response analysis and effect evaluation of dynamic stabilization for ballasted track

Z Zhang, H Xiao, Y Wang, Y Chi… - Construction and Building …, 2023 - Elsevier
Dynamic stabilization is a process of the railway lines that are newly built must go through
before it is put into operation. This study investigates the characteristics of stabilizing …

Field experiment and numerical simulation investigation on the mechanical properties of ballast bed with elastic sleepers

Y Chi, H Xiao, Z Zhang, Y Wang - Construction and Building Materials, 2023 - Elsevier
Under high-frequency impact loading, the ballast bed is prone to ballast crushing,
deterioration, and other adverse effects. The use of elastic sleepers is an effective way to …