SHANG Bing, WU Li-peng, ZHUANG Zhuo. THE EFFECT OF STRESS HETEROGENEOUS ON TEST DATA OF CONCRETE USING SHPB[J]. Engineering Mechanics, 2011, 28(12): 33-38.
Citation: SHANG Bing, WU Li-peng, ZHUANG Zhuo. THE EFFECT OF STRESS HETEROGENEOUS ON TEST DATA OF CONCRETE USING SHPB[J]. Engineering Mechanics, 2011, 28(12): 33-38.

THE EFFECT OF STRESS HETEROGENEOUS ON TEST DATA OF CONCRETE USING SHPB

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  • Received Date: March 11, 2010
  • Revised Date: September 05, 2010
  • The dynamic response of concrete is investigated using a 75-mm-diameter Split Hopkinson Pressure Bar (SHPB) test. The data of the experiment are analyzed through our developed program. The program can display the stresses on the two end surfaces of the specimen. Thusly we can examine the difference of the stresses, then, adjust the pulse shaper in order to change the shape of the incident wave and reduce the difference. But the difference does exist, causing the different stress-strain curves obtained from two wave method or three wave method. There are a numbers of critical issues pertaining to the method. In this paper, combining theory and experience, we get a comparatively creditable stress-strain curve using Three Waves Checking Method.
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