School of Civil Engineering/Key Laboratory of Coast Civil Structure Safety;
Ministry of Education(Tianjin University);
Tianjin 300072;
China;
Ren’ai College;
Tianjin University;
Tianjin 301636;
China;
Key Laboratory of Earthquake Engineering Simulation and Seismic Resilience of China Earthquake Administration(Tianjin University);
Tianjin 300350;
China;
Key Laboratory of Engineering and Structural Retrofi t;
Beijing University of Technology;
Beijing 100124;
China;
Key Laboratory of Earthquake Engineering and Engineering Vibration;
Institute of Engineering Mechanics;
China Earthquake Administration;
Harbin 150080;
China;
pulse-like ground motion; velocity pulse; relative energy zero-crossing ratio; short-time input energy; shorttime zero crossing rate;