Abstract
To ensure the safety requirement of an artificial island in the construction period, the modified Hardin-Drnevich dynamic constitutive model and strength reduction method was used to analyze the dynamic response of a breakwater under the action of earthquakes. Research indicates the following: (1) the modified Hardin-Drnevich can effectively simulate the soil stress-strain relationship under dynamic action, and obtain strain hysteresis, and get permanent deformation of material; (2) the deeper the buried depth of breakwater, the greater soil pressure; (3) dynamic pressure response is more obvious on both sides of the breakwater at peak time in earthquakes.
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