Granite Strain Waveform Curve Analysis in SHPB Experiment

DOI

10.2991/iccte-16.2016.24How to use a DOI?

Keywords

granite; SHPB; bullet length; strain wave; damage

Abstract

The damage degree of the rock and its strain has the nature relation, this paper choose the granite which is most common rock in the engineering practice as the research object. It carried on more categories of impact test research about granite specimen of length to diameter ratio is 0.8 times in using split hopkinson pressure bar (SHPB) device, and inferred the measurement of rock damage degree is mainly decided by the reflected wave waveform. Along with the rising of the impact energy of bullets, the measured waveform of reflected wave from development to the "W", "V" type and "U" type on compression bar. When the rock is damage, the reflection waveform more appears as "U" and "W" type. It can be concluded that the development and distribution of the internal cracks of rock determines the diversity of the reflection wave shape, and many types of the reflected wave shape also reflected the loading condition and the relationship between the characteristics of rock.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Qingcheng Zhang
AU  - Dianshu Liu
AU  - Shenglin Li
AU  - Shufeng Liang
PY  - 2016/01
DA  - 2016/01
TI  - Granite Strain Waveform Curve Analysis in SHPB Experiment
BT  - Proceedings of the 2016 International Conference on Civil, Transportation and Environment
PB  - Atlantis Press
SP  - 138
EP  - 142
SN  - 2352-5401
UR  - https://doi.org/10.2991/iccte-16.2016.24
DO  - 10.2991/iccte-16.2016.24
ID  - Zhang2016/01
ER  -