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Information Journal Paper

Title

Investigation Of Rock Fracture Parameters With Hollow Center Cracked Disc Under Quasi-Static Loading Condition

Pages

  97-115

Abstract

 Experiments have indicated that the Fracture properties of rocks change with variations of loading rate. In this study, the microstructural properties of two marbles are characterized by three different microscopic techniques including petrographic thin sections method, fluorescent replacement technique, and scanning electron microscopy (SEM). An experimental investigation is conducted to study the quasi-static fracture behavior in different microstructural features of crystalline rocks. The hollow center cracked disc (HCCD) method is employed to determine the fracture parameters with variations of loading rates using a hydraulic machine. Microscopic studies on microstructure deficits reveal that fractal dimension in Maroon marble is higher than in Baghat marble. Variations of toughness, crack propagation speed, and crack tip opening displacement (CTOD) with changes of loading rate are also investigated. The results indicate that toughness and crack propagation speed increase with loading rate, but the effect of microstructure in two marbles reduces the rate of growth. The Fracture toughness in Baghat marbles is higher than in Maroon marble, and difference of Fracture toughness is magnified with the loading rate.

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  • Cite

    APA: Copy

    AHMADIAN, H., BAGHBANAN, A., & HASHEMOLHOSSEINI, H.. (2019). Investigation Of Rock Fracture Parameters With Hollow Center Cracked Disc Under Quasi-Static Loading Condition. JOURNAL OF MINERAL RESOURCES ENGINEERING, 4(1 ), 97-115. SID. https://sid.ir/paper/265390/en

    Vancouver: Copy

    AHMADIAN H., BAGHBANAN A., HASHEMOLHOSSEINI H.. Investigation Of Rock Fracture Parameters With Hollow Center Cracked Disc Under Quasi-Static Loading Condition. JOURNAL OF MINERAL RESOURCES ENGINEERING[Internet]. 2019;4(1 ):97-115. Available from: https://sid.ir/paper/265390/en

    IEEE: Copy

    H. AHMADIAN, A. BAGHBANAN, and H. HASHEMOLHOSSEINI, “Investigation Of Rock Fracture Parameters With Hollow Center Cracked Disc Under Quasi-Static Loading Condition,” JOURNAL OF MINERAL RESOURCES ENGINEERING, vol. 4, no. 1 , pp. 97–115, 2019, [Online]. Available: https://sid.ir/paper/265390/en

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