The Law of Effective Stress for Rocks in Light of Results of Laboratory Experiments / Prawo Naprężeń Efektywnych Dla Skał W Świetle Wyników Badań Laboratoryjnych
Abstract:This paper presents the results of laboratory tests carried out in order to formulate effective stress law. The law was sought for two different cases: first -when rock was treated as a porous Biot medium (Biot, 1941;Nur & Byerlee, 1971) and second -when the law was formulated according to definition of Robin (1973) developed by Gustkiewicz (1990) and Nowakowski (2007). In the first case coefficents (4) and (5) of the Biot equation (3) were were determined on the basis of compressibility test, in the second on… Show more
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