Experimental impact analysis on ultra-high performance concrete (UHPC) for achieving stress equilibrium (SE) and constant strain rate (CSR) in Split Hopkinson pressure bar (SHPB) using pulse shaping technique
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DOI: 10.1016/j.conbuildmat.2017.03.185
Abstract: Abstract This work emphasizes obtaining and validating experimental test results of ultra-high performance concrete (UHPC) under compressive impact loading at high strain rates (30–200 S−1). Cylindrical specimens of 9.2 mm in height and 23.8 mm in diameter were… read more here.
Keywords: impact; constant strain; strain rate; strain ... See more keywords
Stress Uniformity Analyses on Nonparallel End-Surface Rock Specimen during Loading Process in SHPB Tests
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DOI: 10.1155/2018/5406931
Abstract: To investigate the influence of nonparallel end-surface on stress uniformity during loading process in rock SHPB test, SHPB numerical simulations have been carried out by LS-DYNA when end-face nonparallelism is within 0.40% and Young’s modulus… read more here.
Keywords: stress equilibrium; equilibrium time; end surface; surface ... See more keywords