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Rock Mechanics and Rock Engineering Problems Caused by Water Action

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydraulics and Hydrodynamics".

Deadline for manuscript submissions: 1 October 2025 | Viewed by 326

Special Issue Editors


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Guest Editor
School of Mines, China University of Mining and Technology, Xuzhou 221116, China
Interests: green mining; coal mining
Special Issues, Collections and Topics in MDPI journals
1. School of Mines, China University of Mining and Technology, Xuzhou 221116, China
2. State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: water-rock interaction; rock mechanics and rock formation control; green coal mining; seepage of rock-like materials; stabilization of water storage structures

Special Issue Information

Dear Colleagues,

Water–rock interaction remains a hotspot and challenge in the field of rock mechanics and rock engineering, as the weakening effect of water on rock is a critical factor influencing the stability and load-bearing capacity of rock engineering structures. Phenomena related to water, such as internal water seepage, pore pressure changes, and fluid–solid interactions, as well as water-induced issues like slope instability, ground subsidence, and deep rockbursts, pose significant threats to the safety and sustainability of rock engineering projects. Particularly in mining engineering, water action not only leads to safety hazards such as mine water inrush, roadway deformation, and dam instability, but may also trigger environmental problems like mine water loss, groundwater pollution, and land desertification, further complicating the risks associated with mining activities. With the increasing development of large-scale infrastructure and mining activities, addressing water-induced rock mechanics problems has become urgent.

This Special Issue aims to explore innovative theories, methods, and technologies to mitigate these challenges and promote sustainable practices in rock engineering. Potential topics include, but are not limited to, the following:

  • Mechanisms of water–rock interaction;
  • Impact of water on rock engineering;
  • Water-induced damage in rocks;
  • Seepage in rock-like materials;
  • Multi-field coupling mechanisms in rocks;
  • Technologies for rock mass stability control;
  • Water-induced natural hazards;
  • Prevention and control of mine water pollution.

Prof. Dr. Qiangling Yao
Dr. Liqiang Yu
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • water–rock interaction
  • rock mechanics and rock engineering
  • rock seepage
  • multi-field coupling
  • sustainability

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Published Papers (1 paper)

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Research

15 pages, 15917 KiB  
Article
Microstructural Evolution and Mechanical Properties of Fly-Ash-Based Grouting Materials in Different Aqueous Environments
by Jianwei Chen, Yan Qin, Fengdan Hu, Nengxiong Xu, Yuxi Guo, Jiayu Qin and Guangming Ren
Water 2025, 17(10), 1407; https://doi.org/10.3390/w17101407 - 8 May 2025
Viewed by 239
Abstract
Grouting is widely used in the treatment works of goaf, which can enhance the foundation bearing capacity, reduce deformation, and ensure the stability of the construction of goaf. As the goaf is located below the water table line, the mechanical properties and microscopic [...] Read more.
Grouting is widely used in the treatment works of goaf, which can enhance the foundation bearing capacity, reduce deformation, and ensure the stability of the construction of goaf. As the goaf is located below the water table line, the mechanical properties and microscopic changes of the stone body in the water-rich environment have not been revealed, which leads to the effect of grouting treatment in water-rich goaf being difficult to achieve in terms of the expected goal. This paper used uniaxial compression, electron microscopy (SEM), and X-ray diffraction (XRD) to study the mechanical properties and microscopic changes of the nodular body under natural, pure water, and tap water curing and revealed the deterioration mechanism of the nodular body’s mechanical properties under water curing. The research results show that under identical material proportions and curing durations, compared to naturally cured specimens, the specimens cured in purified water and tap water exhibited a significant increase in the content of unreacted fly ash, a reduction in the amount of hydration products such as C-S-H gel and ettringite, and a looser microstructure, resulting in average decreases in uniaxial compressive strength of 35.7% and 49.9%, respectively. In addition, the presence of chloride ions and Friedel’s induced decalcification of the C-S-H gel under tap water curing conditions led to a significant deterioration in the physical strength of the grouted stones. Full article
(This article belongs to the Special Issue Rock Mechanics and Rock Engineering Problems Caused by Water Action)
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