Abstract
This paper follows the author's preceeding two papers : dynamic characteristics of a structure with buried foundation (1) and (2). In this paper are considered dynamic interaction characteristics of structures embeded in a perfectly elastic layer medium over a half-space when subjected to horizontal base rock motion. In Sec. 2 is derived the set of governing equation on soil-structures interaction system subjected to base rock motin. In Sec. 3 are derived the analytical expressions of the sway and the rotational spring constants of sub-side soil ground when the basement wall vibrates horizontaly or rotationally by taking account of the adjacent basement one. In Sec. 4 are derived the analytical solutions of the dynamic wave pressure which operates on the basement wall subjected to horizontal base rock motion.
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