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A NUMERICAL STUDY IS PERFORMED ON THE STRUCTURE-SOIL-STRUCTURE INTERACTION (SSSI) BETWEEN HIGH-RISE BUILDINGS. ANSYS HAS BEEN FURTHER DEVELOPED FOR CALCULATION IN THE FREQUENCY DOMAIN, IN WHICH HYSTERETIC DAMPING CAN BE CONSIDERED FOR BOTH SOIL AND STRUCTURES. THIS STUDY IS PRESENTED IN TWO SUBSEQUENT PAPERS. THE FIRST PART FOCUSES ON THE INFLUENCE OF THE SSSI ON EACH KIND OF DYNAMIC RESPONSE, WHILE THE SECOND PART, I.E., THIS PAPER, IS A PARAMETER STUDY THAT FOCUSES ON THE INFLUENCE OF EACH KEY PARAMETER, INCLUDING THE SEPARATION DISTANCE BETWEEN STRUCTURES; THE DAMPING RATIO, THICKNESS AND SHEAR WAVE VELOCITY OF THE SOIL; THE LENGTH OF THE PILE; THE DAMPING RATIO, STYLE, MATERIAL STIFFNESS, MASS AND STORY NUMBER OF THE SUPERSTRUCTURE; AND THE POSITION AND NUMBER OF THE STRUCTURE, ON THE SSSI. THE INTERACTION DECREASES WITH THE INCREASE IN THE SEPARATION DISTANCE BETWEEN STRUCTURES, THE INCREASE IN THE DAMPING RATIO AND SHEAR WAVE VELOCITY OF THE SOIL, THE INCREASE IN THE DAMPING RATIO AND MASS OF THE SUPERSTRUCTURE, OR THE DECREASE IN THE MATERIAL STIFFNESS OF THE SUPERSTRUCTURE IN A FLUCTUATING MANNER.
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