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Mechanisms of water-rock interaction and its impact on swelling and crack behavior of argillaceous dolomite in tunnel uplift zones

  • 01-01-2026
  • Original Paper
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Abstract

This study delves into the intricate mechanisms of water-rock interaction and its profound impact on the swelling and crack behavior of argillaceous dolomite in tunnel uplift zones. Through a combination of laboratory and in-situ experiments, the research provides a comprehensive analysis of the microscopic and macroscopic effects of these interactions. The study reveals that argillaceous dolomite, a special type of carbonate rock, exhibits significant strength softening and volume expansion when exposed to water-bearing environments. The presence of expansive clay minerals such as illite and montmorillonite plays a crucial role in this behavior. The research highlights the critical mechanism by which water-rock interaction induces volume change in argillaceous minerals, particularly under long-term groundwater disturbance in actual tunnel environments. The study also explores the distribution and characteristics of cracks in the rock mass, which serve as conduits for water transport and further fracture propagation. The findings provide crucial scientific evidence for understanding groundwater-rock interaction mechanisms and offer valuable insights for the safety and long-term stability of tunnel engineering.

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Title
Mechanisms of water-rock interaction and its impact on swelling and crack behavior of argillaceous dolomite in tunnel uplift zones
Authors
Zihang Liu
Kang Huang
Shuling Huang
Xianfeng Liu
Fei Yu
Shanxiong Chen
Zhangjun Dai
Publication date
01-01-2026
Publisher
Springer Berlin Heidelberg
Published in
Bulletin of Engineering Geology and the Environment / Issue 1/2026
Print ISSN: 1435-9529
Electronic ISSN: 1435-9537
DOI
https://doi.org/10.1007/s10064-025-04704-2
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