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中文摘要：
岩石的热膨胀是不可逆的，会受加热历史的影响，加热时的特性和冷却后的特性差异较大．本文研究了温度载荷作用下岩石材料在压缩和拉伸时的热断裂破坏过程，分析了岩石热断裂破坏的宏观力学特性，探讨了岩石宏观热破坏作用机理．根据岩石热破坏机理与岩石强度准则，计算了试件在各温度作用下受压和受拉破坏时产生的最大应力．计算结果能较好地与实验结果吻合．
英文摘要：
Rock＇s heat inflation is an irreversible process, and it is influenced by heating history. There is a great characteristic difference during heating and after cooling. Real-time tests on the thermal Iracture failure process of rock under uniaxial compressive and tension loading were carried out, the macro-mechanical properties of rock during thermal fracture failure were analyzed, and the thermal failure mechanism was discussed. According to the thermal fracture mechanism and its strength criterion, the maximum stress of samples was computed, and the results were in good agreement with the experimental.
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