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The failure mode and antiknock performance of equilateral angle steel component were investigated by explosion experiments on 9 equilateral Angle steel specimens. The blast pressure time curve, acceleration time curve and strain time curve of each part were obtained. The deformation characteristics of equilateral Angle steel under blast load and the influence of equilateral Angle steel components on the propagation form of blast wave were studied. Because of the special structural forms of equilateral angle steel components, the blast wave was repeatedly superimposed of the explosion. The pressure peak, acceleration, strain and residual deformation of each measuring point increased with the increase of the flange width of the specimen. The pressure peak were decreasing from the point of initiation to the end of components in the near field explosion, and the pressure varied greatly at each height of the component. When the explosive dose was small, the deformation of the middle part of the blasting face was mainly local buckling, and when the explosive dose increased gradually, the overall bending phenomenon became gradually obvious. Keywords—explosion; equilateral angle steel; dynamic response; deformation

Dynamic Response of Different Types of Angle Steel Components under Explosion Loading