Study on Mechanical Properties of Sandstone Under the Coupling Effects of Cyclic Loading and Acid-Alkali Erosion

DOI

10.2991/978-94-6239-682-1_26How to use a DOI?

Keywords

Fine sandstone; Cyclic loading; Acid-base erosion; Damage evolution

Abstract

To examine the damage evolution of fine sandstone under combined cyclic loading and acid–base erosion, sandstone from Daming Coal Mine was tested under different stress‑upper limits and multi‑pH solutions. Damage variables D a (energy‑based) and D b (porosity‑based) were defined. Results show D a grows with cycle number at a decelerating rate, and increases with higher stress limits. D b follows acidic > alkaline > neutral under the same pH, and rises with prior loading amplitude. The study clarifies coupled damage mechanisms, offering a basis for assessing abandoned‑mine roadway stability.

Copyright

© 2026 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  - Zihao Zhu
AU  - Yu Yang
AU  - Shunyi Wang
PY  - 2026
DA  - 2026/06/30
TI  - Study on Mechanical Properties of Sandstone Under the Coupling Effects of Cyclic Loading and Acid-Alkali Erosion
BT  - Proceedings of the 2025 7th International Conference on Civil Architecture and Urban Engineering (ICCAUE 2025)
PB  - Atlantis Press
SP  - 267
EP  - 276
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6239-682-1_26
DO  - 10.2991/978-94-6239-682-1_26
ID  - Zhu2026
ER  -