NDLI: Fractal characteristics of rock fragmentation at strain rate of 10$^{0}$

Content Provider	Springer Nature Link
Author	Zhou, Zi long Li, Xi bing Zuo, Yu jun Hong, Liang
Copyright Year	2006
Abstract	The fragmentation test of granite subjected to strain rate of 10$^{0}$ – 10$^{2}$ s$^{−1}$ was carried out using split Hopkinson pressure bar(SHPB) whose diameter is 75 mm, where half-sine loading waveform was performed. The sieving statistics results of the fragments show that the distribution of the fragments is a fractal, and the fractal dimension values fall into the range of 1.2–2.4. The correlation analysis between the fractal dimension and the logarithm of the energy density shows that they have approximately linear relation. Finally, based on damage theory and scale invariant principle, the fragmentation model with renormalization method was put forward, and the fractal dimension value predicted with the model was compared with the test results. It is found that the fractal dimension value obtained from the improved fragmentation model is more reasonable.
Starting Page	290
Ending Page	294
Page Count	5
File Format	PDF
ISSN	10059784
Journal	Journal of Central South University of Technology
Volume Number	13
Issue Number	3
e-ISSN	19930666
Language	English
Publisher	Central South University of Technology
Publisher Date	2006-01-01
Publisher Place	Changsha
Access Restriction	Subscribed
Subject Keyword	SHPB test rock fragmentation fractal damage renormalization Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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