结构在冲击载荷作用下的实验研究
AN EXPERIMENTAL STUDY OF DYNAMIC BEHAVIOR OF STRUCTURES UNDER IMPACT LOADS
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摘要: 本文报道了为求解结构在冲击载荷作用下大度形响应而做的实验研究,以不同速度运行的物体垂直冲击圆拱、刚架和旋转扁壳,记录由此引起的冲击点位移、速度曲线以及某些关键点的动态应变历史,从而为寻找规律、建立模型提供实证资料。Abstract: The dynamic behavior of arches, frames, and shallow spherical shells under concentrated impact loads at high rate of strain is examined using a split Hopkinson Pressure Bar (SHPB), apparatus. Some new phenomenon is observed at different strain rates.