Earthquake responses of near-fault frame structure clusters due to thrust fault by using flexural wave method and viscoelastic model of earth medium

An integrated method for simulating earthquake responses of near-fault structure clusters is developed by considering structure cluster consisting of plane frame structures, half-space viscoelastic earth medium and causative fault simultaneously. The seismic responses of near-fault structure cluster of reinforced concrete (RC) frame are simulated during a Mw6.0 hypothetical earthquake, considering viscoelastic attenuation and inhomogeneity of earth medium. It showed that the orbit of structure in the cluster located between the epicenter and rupture forward is in anticlockwise motion during the earthquake induced by thrust fault.