Effects of load histories on dynamic biaxial compressive damage behaviours of concrete
作者： Shiyun Xiao , Hong Hai
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摘要: The paper reports the results of biaxial dynamic compressive tests on plain concrete specimens that have undergone a loading history 0, 30, 50 and 75% ultimate strength, carried out static–dynamic multiaxial test system, with strain rates ranging from 10−5/s to 10−2/s. effect load histories stress–strain curves, strengths, initial elastic moduli critical strains are studied. Test demonstrate strength decrease increasing at same rate, but tangent modulus is independent rate. Also, effects damage threshold stress in space
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