Study on Construction and Disturbance Control Techniques for the Reconstruction and Expansion of Long-Term Operating Metro Stations

DOI

10.2991/978-94-6463-514-0_71How to use a DOI?

Keywords

Tunneling; Principles of displacement allocation; Construction impact control; Site monitoring

Abstract

To ensure the safety of the long-operating metro stations during the reconstruction and expansion process, the control technique of station deformation was investigated by numerical simulation using the principle of displacement allocation. The percentage of stepwise settlement is 25.7%, 56.4% and 65.7%, 22.5% respectively, which is the main stage of construction deformation control; through the study of the impact of reinforcement measures on the station reconstruction and expansion process, expanding the scope of grouting and improving the parameters of the slurry have a poorer effect on the deformation control of the station, and the settlements of Line 3 and Line 2 are controlled within the safety threshold when using the bar reinforcement measures; the on-site monitoring results show that the displacement distribution principle better controls the structural settlement and deformation, and the monitoring indicators are all within the safety threshold. The results of the study can provide experience and reference for the construction process of similar long-term operation station reconstruction and expansion.

Copyright

© 2024 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Bingke Liu
AU  - Shaohui He
AU  - Xiaojie Jia
AU  - Bin Zhang
PY  - 2024
DA  - 2024/09/28
TI  - Study on Construction and Disturbance Control Techniques for the Reconstruction and Expansion of Long-Term Operating Metro Stations
BT  - Proceedings of the 2024 7th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA 2024)
PB  - Atlantis Press
SP  - 730
EP  - 740
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-514-0_71
DO  - 10.2991/978-94-6463-514-0_71
ID  - Liu2024
ER  -