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Effect of Weak Inclusions on the Fracture Toughness of Interfaces Between Various Rocks by A.S. Voznesenskii; Yu.V. Osipov; E.I. Ushakov; Ya.G. Semyonov; V.V. Vasilevykh is a Engineering article available to read on EtoBox.

What is Effect of Weak Inclusions on the Fracture Toughness of Interfaces Between Various Rocks about?

Fracture toughness (FT) is one of the parameters that characterise the tendency of materials to crack and fracture. FT is usable for individual materials (such as metals, concrete, and composites) and the interfaces between them. The fracture toughnesses of interfaces between different rocks or minerals are also of interest when assessing the stability of rock mass in mining and building construction. The novelty of this work is regarding the fracture toughness of interfaces between various types of rocks. Standardized techniques exist for metals, concrete, and composite materials. For rocks, the investigation uses the methodology recommended by the International Society of Rock Mechanics (ISRM). The paper contains the FT values for gypsum stone, flint, as well as for the interfaces between them, which also include interlayers of carbonaceous clays. The regression equation describes dependence of the fracture toughness on the relative area of carbonaceous clays interlayers, with the correlation factor R = -0.714.

Who reads Effect of Weak Inclusions on the Fracture Toughness of Interfaces Between Various Rocks?

Author

A.S. Voznesenskii; Yu.V. Osipov; E.I. Ushakov; Ya.G. Semyonov; V.V. Vasilevykh

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)