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首页> 外文会议>Russian Conference on Mathematical Modelling in Natural Sciences >Possibilities for Calculating the Stress State of Rocks During Their Uniaxial Tension and Compression
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Possibilities for Calculating the Stress State of Rocks During Their Uniaxial Tension and Compression

机译：在单轴张力和压缩过程中计算岩石应力状态的可能性

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There has been experimentally found that for all the materials under investigation fracture surface roughness index (Rz) as well as its st. dev.(Sz) takes the maximum value under uniaxial tension, while under uniaxial compression the values tend to be lower. So parameters_Rz and Sz can be used as classification characteristics for evaluation of the pressure under which the fracture occurred. It has been determined that the temperature of the material (?t_m) in the main fracture zone of the fault under uniaxial tension takes on minimal values; however, under uniaxial compression it regularly increases, taking on its maximal values when in triaxial stress state. Consequently, parameter ?t_m can be used as a classification characteristic for the evaluation of the state of stress. Methods for determining a material stress state have been developed: a) the method based on the relation between the temperature on the fracture surface ?t_m and stresses in the fracture zone; b) the method based on the relation between the values of fracture surface roughness Rz and the stresses in the fracture zone.
机译：已经通过实验发现，对于正在调查的所有材料骨折表面粗糙度指数（RZ）以及其ST。 DEV。（SZ）在单轴张力下取得最大值，而在单轴压缩下，值趋于较低。因此，参数_RZ和SZ可用作评估骨折发生的压力的分类特性。已经确定，在单轴张力下故障的主骨折区域中的材料（ΔT_m）的温度接受了最小值;然而，在单轴压缩下，它经常增加，在三轴应力状态下采取其最大值。因此，参数ΔT_m可以用作评估压力状态的分类特性。用于确定材料应力状态的方法是：a）基于裂缝表面温度与裂缝区中的温度与应力之间的关系的方法; b）基于裂缝表面粗糙度Rz值与裂缝区中应力之间的关系的方法。

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