Labomtory of Coast Civil Structure Safety of Ministry of Education,Tianjin University,Tiarjin,300072,China;
chool of Civil Engineering.Tianin University,Tianjin,300072,China;
entre for Infrastructural Monitoring and Protection,School of Civil and Mechanical Engineering Curtin University,Perth Western Australia,6845,Australia;
Concrete; Lateral inertial confinement; Shape effet; Dynamic failure mechanism; Strain rate;