Seismic Risk Assessment of a Novel Self-Centering Precast Concrete Frame under Near-Fault Ground Motions
Open Access
- 18 September 2020
- journal article
- research article
- Published by MDPI AG in Applied Sciences
- Vol. 10 (18), 6510
- https://doi.org/10.3390/app10186510
Abstract
The damage to structures caused by the velocity pulse effect of near-fault earthquake waves cannot be ignored, yet there are few studies on the risk assessment of seismic performance for precast concrete frame under near-fault earthquake waves. A novel self-centering precast concrete (SCPC) frame with hysteretic dampers is proposed to obtain great self-recovering and energy consumption characteristics. To accurately assess the seismic behaviors of the novel SCPC frame under the near-fault earthquake waves, a prototype structure is modelled and elastoplastic dynamic analysis is conducted at the design basis earthquake (DBE) and the maximum considered earthquake (MCE) seismic levels. Incremental dynamic analysis and the vulnerability analysis are performed. Annual and 50-year exceeding probabilities of the novel SCPC frame are calculated afterwards. In addition, the reinforced concrete (RC)frame and the traditional SCPC frame are also modelled, whose section sizes, reinforcements arrangement and seismic intensity are consistent with the novel SCPC frame. The dynamic time-history analysis at the two seismic levels are also carried out for two types of frames. The analysis results demonstrate that the novel SCPC frame has great seismic performance and low seismic risk possibility under the near-fault earthquakes loading.This publication has 39 references indexed in Scilit:
- Seismic Performance of a Large-Scale Steel Self-Centering Moment-Resisting Frame: MCE Hybrid Simulations and Quasi-Static Pushover TestsJournal of Structural Engineering, 2013
- Near‐source seismic hazard and design scenariosEarthquake Engineering & Structural Dynamics, 2012
- Seismic evaluation of FRP strengthened RC buildings subjected to near-fault ground motions having fling stepComposite Structures, 2010
- Structural performance assessment under near‐source pulse‐like ground motions using advanced ground motion intensity measuresEarthquake Engineering & Structural Dynamics, 2008
- Modeling Beam-Column Joints in Fragility Assessment of Gravity Load Designed Reinforced Concrete FramesJournal of Earthquake Engineering, 2008
- Behavior of moment‐resisting frame structures subjected to near‐fault ground motionsEarthquake Engineering & Structural Dynamics, 2004
- Strengthening of moment‐resisting frame structures against near‐fault ground motion effectsEarthquake Engineering & Structural Dynamics, 2004
- Magnitude scaling of the near fault rupture directivity pulsePhysics of the Earth and Planetary Interiors, 2003
- Effects of hysteretic model on seismic demands: consideration of near‐fault ground motionsThe Structural Design of Tall Buildings, 2002
- Characteristics of amplitude and duration for near fault strong ground motion from the 1999 Chi-Chi, Taiwan EarthquakeSoil Dynamics and Earthquake Engineering, 2002