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Dynamic Testing of Structures Using the RESCUE Technique

by Jeffrey Simons, SRI Int, Menlo Park, CA, USA,
Albert Lin, SRI Int, Menlo Park, CA, USA,
Herbert Lindberg, SRI Int, Menlo Park, CA, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

This paper describes the most recent phase of an NSF supported program at SRI International to develop the technique of repeatable earth shaking by controlled underground expansion (RESCUE) for testing soil-structure systems to earthquake-like ground motions. In the most recent phase, the authors have upgraded the facility to produce three pulses of ground motion per test, performed free-field tests to characterize the ground motion, and tested a one-story 1/11-scale model of Building 180 at JPL, Pasadena, California. Computer analyses were performed to determine methods of increasing the ground motion and structural response. By modifying the array design to maximize the displacements, the authors can produce displacements of several inches.

Subject Headings: Ground motion | Dynamic tests | Computer analysis | Earthquakes | Underground structures | Soil tests | Soil structures | California | United States

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