Analysis of Soil Pressure Distribution and Fracture Surface Inside Mechanically Stabilized Earth (MSE) Walls of High-Speed Railways

Guangpeng Liu, Guangpeng Liu, Guangpeng Liu, Nan Zhang, Nan Zhang, Guoliang Shi, Guoliang Shi, Weiming Huang, Weiming Huang, Hong Xiao

2024

Abstract

Due to the extremely strict settlement requirements for the high-speed railways, the MSE wall, as an environmentally friendly structure, the variation of the soil pressure and the fracture surface are related to the accurate design of the wall. Three sets of model tests were designed based on the similar theory, and the soil pressure changes in the MSE wall and the retaining wall panel under different loads were studied respectively. At the same time, the high-speed train-track-MSE wall model was conducted to analyze the dynamic loading effect, the distribution of soil pressure and the changes of fracture surface. The result shows that: increasing the layers of ribs and increasing the length of ribs will reduce the soil pressure. Under static load, the soil pressure inside the MSE wall increases linearly along the wall height, while under the train load, the soil pressure increases linearly in the stable area and increases non-linearly in the active area. In the designing, the fracture surface of the MSE wall is considered to be a fixed value. However, if the failure of the ribs in the range of 0.15H~0.25H at the bottom of the wall occurs, the position of the fracture surface will move upward along the wall. The guidelines suggest when designing the high-speed rail MSE walls, 0.15H~0.25H range should be strengthened.

Paper Citation

in Harvard Style

Liu G., Zhang N., Shi G., Huang W. and Xiao H. (2024). Analysis of Soil Pressure Distribution and Fracture Surface Inside Mechanically Stabilized Earth (MSE) Walls of High-Speed Railways. In Proceedings of the 7th International Conference on Environmental Science and Civil Engineering - Volume 1: ICESCE; ISBN 978-989-758-764-1, SciTePress, pages 173-182. DOI: 10.5220/0013626300004671

in Bibtex Style

@conference{icesce24,
author={Guangpeng Liu and Nan Zhang and Guoliang Shi and Weiming Huang and Hong Xiao},
title={Analysis of Soil Pressure Distribution and Fracture Surface Inside Mechanically Stabilized Earth (MSE) Walls of High-Speed Railways},
booktitle={Proceedings of the 7th International Conference on Environmental Science and Civil Engineering - Volume 1: ICESCE},
year={2024},
pages={173-182},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0013626300004671},
isbn={978-989-758-764-1},
}

in EndNote Style

TY - CONF

JO - Proceedings of the 7th International Conference on Environmental Science and Civil Engineering - Volume 1: ICESCE
TI - Analysis of Soil Pressure Distribution and Fracture Surface Inside Mechanically Stabilized Earth (MSE) Walls of High-Speed Railways
SN - 978-989-758-764-1
AU - Liu G.
AU - Zhang N.
AU - Shi G.
AU - Huang W.
AU - Xiao H.
PY - 2024
SP - 173
EP - 182
DO - 10.5220/0013626300004671
PB - SciTePress