Abstract
This paper establishes a solution for describing the mechanical behavior of low-permeability rock considering fluid-solid coupling. The proposed model is applied in numerical method to explore the stability of underground water sealed cave by considering the hydro-mechanics of low-permeability rock during excavation. This paper draws the following findings: Fluid seepage causes the increasing of the displacement of caverns, especially for the displacement at the bottom of caverns. Fluid seepage causes the reduction of stress in surrounding rock around water sealed caverns during excavation, whereas the plastic strains of surrounding rock increase due to the effect of fluid seepage.
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Ma, G., Chao, Z., Wang, M., Wei, J., Hu, H., Zhang, Y. (2019). Stability Analysis During Excavation of Low-Permeability Rock Surrounding an Underground Water Sealed Cavern. In: Sun, R., Fei, L. (eds) Sustainable Development of Water and Environment. ICSDWE 2019. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-030-16729-5_16
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DOI: https://doi.org/10.1007/978-3-030-16729-5_16
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