Hydraulic-thermal coupling is a key problem in rock mass engineering, especially in the disposal of nuclear wastes in deep rock mass. To accurately describe the coupling action of rock mass when under the interaction of hydraulic stress and thermal, the hydraulic-thermal coupling solving methods were proposed in this paper; in addition, the corresponding hydraulic-thermal coupling program FRHT3D was complied. Consequently, the numerical simulation was performed, it can be concluded that the flow speed is faster when the coupling effect is considered at the unstable seepage stage, and the seepage coupling solution is larger than that of uncoupling. Furthermore, when the coupling effects are considered, the permeable water head solution is much larger than that of the uncoupling solution at the unstable seepage stage. The proposed hydraulic-thermal coupling solving methods and programs can be applied to rock mass engineering practice.

中文翻译：

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岩石裂缝的水热耦合建模及相关数值分析

水热耦合是岩体工程中的一个关键问题，特别是在深部岩体中的核废料处理中。为准确描述岩体在水应力和热力相互作用下的耦合作用，提出了水热耦合求解方法；此外，还编写了相应的液热耦合程序FRHT3D。因此，进行数值模拟，可以得出结论，在不稳定渗流阶段考虑耦合效应时流速更快，并且渗流耦合解大于非耦合。此外，当考虑耦合效应时，渗透水头溶液在不稳定渗流阶段远大于解耦溶液。