Seismic Response of a Periodic Array of Structuresby Hidenori Murakami, Grad. Student; Dept. of Applied Mechanics and Engrg. Sciences, Univ. of California at San Diego, La Jolla, Calif., on leave from the National Defense Academy, Yokosuka, Japan,
Juan Enrique Luco, Asst. Prof.; Dept. of Applied Mechanics and Engrg. Sciences, Univ. of California at San Diego, La Jolla, Calif.,
Serial Information: Journal of the Engineering Mechanics Division, 1977, Vol. 103, Issue 5, Pg. 965-977
Document Type: Journal Paper
A simplified two-dimensional model of the dynamic interaction, through the soil, among adjacent structures in a densely built area is presented. The model consists of an infinite number of identical parallel infinitely long shear walls placed on equally spaced rigid semi-cylindrical foundations. The steady-state response of the shear walls to obliquely incident plane SH waves is evaluated and compared with the response of an isolated structure. The results obtained indicate that the presence of adjacent structures has a significant effect on the seismic response, particularly, at low frequencies and in the vicinity of the Rayleigh frequencies for the array. For high frequencies, only the immediately adjacent structures affect the response of the central shear wall.
Subject Headings: Shear walls | Seismic tests | Seismic effects | Structural response | Dynamic models | Two-dimensional models | Soil-structure interaction | Structural models | Soil structures | Structural dynamics
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