| dc.description.abstract | Spent fuel has a large amount of decay heat and radioactive properties. The internationally recognized effective disposal method is deep geological disposal, which can effectively prevent the transmission of harmful substances.
In order to take into account the economy and security of deep geological disposal sites, prior analysis is extremely important. Therefore, this study analyzes two levels of problems, one is the global heat conduction problem, and the other is the rupture displacement of the earthquake in different environments.
In the problem of global thermal conductivity, the high temperature of decay rate may deteriorate the material in the disposal hole, resulting in the material being unable to exert the insulation effect. Therefore, this study observes the temperature distribution behavior of the global set, analyzes the decay rate under the design of Layout D2, and discusses the overall The temperature distribution trend over time is verified with the results of SKB, and the number of disposal canisters is considered in the next step for parameter analysis.
In the analysis of earthquake rupture displacement, when the rupture displacement intersects with the disposal hole, the disposal hole will be unusable, and the high temperature of decay rate may change the stress of deep geology, and then expand the generation of rupture. The result will be in line with the research of SKB. authenticating. In addition, this study analyzes the influence of different environmental external factors on the displacement and propagation of cracks. The results of the full text are mainly centered on the time duration of the temperature distribution and the size of the rupture displacement, and the finite element program ABAQUS is used for analysis and simulation. | en_US |