Dynamic Fracture Experiment of Fractured Rock under Dynamic Loading
Joint Authors
Wang, Yanbing
Zhou, Xingyuan
Kong, Ji
Yu, Bingbing
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-22, 22 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-02-14
Country of Publication
Egypt
No. of Pages
22
Main Subjects
Abstract EN
In order to examine the dynamic mechanical properties, dynamic crack proposition process, and energy loss of fractured rock under dynamic loading, the specimens with different fracture dig angles were processed with Φ50 mm × 50 mm cylindrical sandstone, the impact loading test was conducted on 50 mm stem diameter split Hopkinson pressure bar (SHPB) experiment platform, and the whole process of crack propagation and dynamic failure was recorded using a high-speed camera.
As a result, the dynamic mechanical properties such as stress wave fluctuation characteristics, peak strength and stress-strain relationship, crack initiation angle, stress and other dependencies with prefabricated fracture angle of the prefabricated fracture specimens under high strain rate were obtained, and the incident energy, absorbed energy, and energy absorption rates were compared to investigate the energy loss law in the dynamic loading; on the contrary, the effects of different loading rates on the dynamic mechanical properties of the sandstone specimens were identified, and finally a set of findings were presented.
American Psychological Association (APA)
Wang, Yanbing& Zhou, Xingyuan& Kong, Ji& Yu, Bingbing. 2020. Dynamic Fracture Experiment of Fractured Rock under Dynamic Loading. Shock and Vibration،Vol. 2020, no. 2020, pp.1-22.
https://search.emarefa.net/detail/BIM-1213706
Modern Language Association (MLA)
Wang, Yanbing…[et al.]. Dynamic Fracture Experiment of Fractured Rock under Dynamic Loading. Shock and Vibration No. 2020 (2020), pp.1-22.
https://search.emarefa.net/detail/BIM-1213706
American Medical Association (AMA)
Wang, Yanbing& Zhou, Xingyuan& Kong, Ji& Yu, Bingbing. Dynamic Fracture Experiment of Fractured Rock under Dynamic Loading. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-22.
https://search.emarefa.net/detail/BIM-1213706
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1213706