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The anti-seismic analysis of large-scale underground caverns is always a difficult issue. When explicit dynamic finite element method(FEM) is adopted to perform time history analysis towards large-scale underground caverns, the consuming time is considerable and thus lowers the efficiency of project analyzes. To enhance the solving speed of explicit dynamic FEM, the hybrid method is presented based...
The anchor support design is a major content for the design of underground engineering. Proper intensity of anchor support measures helps to guarantee the surrounding rock stability and meanwhile reduce costs. A computational algorithm is proposed to optimize the anchor support design scheme using finite element analysis. The optimization is conducted by comparing calculation results of different...
The method of FEM-based reinforcement design of surge shaft is proposed. As the concrete of surge shaft is applied after excavation and has to spend a period of time to exert its strength, the method to calculate and apply load to the concrete structure is put forward. As the design codes only provide linear solution of concrete with potent basis, the concrete is calculated elastically and the rock...
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