R/C Frame Drift for 1985 Mexico Earthquake

by Mete A. Sozen, Univ of Illinois, Urbana, IL, USA,
Ricardo R. Lopez, Univ of Illinois, Urbana, IL, USA,



Document Type: Proceeding Paper

Part of: The Mexico Earthquakes—1985: Factors Involved and Lessons Learned

Abstract: This paper contains the results of a parametric study of the displacement response of multi-story reinforced concrete frames. Nonlinear lateral displacement responses were calculated for 8-, 12- and 16-story frames having different combinations of strength and stiffness. Two ground motions were considered: (1) an acceleration record with a peak value of 0. 16g obtained in the soft-soil region of Mexico City during the 19 September 1985 earthquake and (2) an acceleration record with a peak value of 0. 5g representing ground motion on stiff soil. Results of the analyses were compared to study trends of drift response with changes in nature of base motion, frame strength, and frame stiffness.

Subject Headings: Frames | Ground motion | Developing countries | Earthquakes | Drift (structural) | Dynamic loads | Dynamic structural analysis | Stiffening | Displacement (mechanics) | North America | Mexico | Mexico City

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