Experimental Investigation on the Effect of the Specimen Thickness on the Mode II Fracture Resistance of Rocks

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AKBARDOOST JAVAD; Bidadi Jamal

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Journal: JOURNAL OF ENGINEERING GEOLOGY Year:2020 | Volume:14 | Issue:2 Page(s): 203-222

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Information Journal Paper

Title

Experimental Investigation on the Effect of the Specimen Thickness on the Mode II Fracture Resistance of Rocks

Author(s)

AKBARDOOST JAVAD | Bidadi Jamal | Issue Writer Certificate

Keywords

fracture toughnessQ1

rockQ1

specimen thicknessQ1

fracture pathQ1

pure mode I and mode II loadingQ1

Abstract

Introduction: rock masses have an enormous geometrical discontinuities such as void, notch, crack and flaw. These geometrical discontinuities which play as stress concentrator, cause to reduce the load bearing capacity of rock masses. In rock masses, the crack is the most important geometrical discontinuity assessed frequently by civil, mechanical and mining engineers and researcher. The fracture mechanics which is a branch of mechanical engineering science, has been often used for investigating the cracked rock samples. The fracture toughness is one of the important parameters in the fracture mechanics which describes the resistance of materials against the crack growth. On the other hand, since orientation of cracks relative to the loading directions can be arbitrary, brittle fracture in rocks may happen due to a combination of two major fracture modes, i. e. crack opening mode (mode I) and crack sliding mode without any opening or closing the crack flanks (mode II). In order to obtain the fracture toughness of rocks, several test configurations under pure mode I have been proposed...

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APA: Copy

AKBARDOOST, JAVAD, & Bidadi, Jamal. (2020). Experimental Investigation on the Effect of the Specimen Thickness on the Mode II Fracture Resistance of Rocks. JOURNAL OF ENGINEERING GEOLOGY, 14(2 ), 203-222. SID. https://sid.ir/paper/389078/en

Vancouver: Copy

AKBARDOOST JAVAD, Bidadi Jamal. Experimental Investigation on the Effect of the Specimen Thickness on the Mode II Fracture Resistance of Rocks. JOURNAL OF ENGINEERING GEOLOGY[Internet]. 2020;14(2 ):203-222. Available from: https://sid.ir/paper/389078/en

IEEE: Copy

JAVAD AKBARDOOST, and Jamal Bidadi, “Experimental Investigation on the Effect of the Specimen Thickness on the Mode II Fracture Resistance of Rocks,” JOURNAL OF ENGINEERING GEOLOGY, vol. 14, no. 2 , pp. 203–222, 2020, [Online]. Available: https://sid.ir/paper/389078/en

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