摘要
Aleksandrowski(1985)依据Arthaud的运动面分析,提出了根据断层擦痕确定主应力方位的图示法。然而,在理论上他仅考虑了有限的几个应力比值(C=∞,10,2,1.1和1),是否图示法适用于所有应力比值(-∞≤C≤∞)至今尚未得到证实。本文利用空间解析几何原理进行数值推导,证明图示法适用于所有的应力比值。野外实例验证表明这种方法具有实用性。
The graphical method on the basis of movement plan analysis for determination of princip estressdistribution from fault slickenside was put forward by Aleksandrowski.In his paper only a few caseswith particular stress ratio values (∞,10,2,1.1 and 1) were dealt with.However,whether the methodis adaptable to more general cases with stress ratio values other than those mentioned or not is reme-ined to be considered. Through a spatial geometrical analysis and numerical derivation the authors revealed that thismethod is applicable to principle stress direction calculations for cases of any stress ratios.In thispaper a field example is given to demonstrate the practical validity of the method.
出处
《地质与勘探》
CAS
CSCD
北大核心
1992年第8期35-42,共8页
Geology and Exploration
