Abstract
Although domestic experimental devices can ascertain the basic rock mass parameters needed in the design process of a cavern to meet the needs of the underground storage project. It is hard to analyze and test the complex fluid-solid coupling state in the full-life-cycle process of a cavern. In this paper, a three-dimensional physical model is designed to apply the stress field and seepage field, simulating the whole life cycle from excavation to operation. The experimental model obtains parameters of rock deformation and stress, water inflow, and seepage pressure. All these experimental models are expected to refine calculation methods or theories for different construction and operation conditions.
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