Author(s)

R. Henke & W. Henke

Abstract

An analytical study of the simplified in situ torsional cylindrical impulse shear test is presented and discussed. This test is intended to provide, for soil deposits, detailed information on in situ undegraded nonlinear inelastic shear stress vs strain characteristics needed for commonly used geotechnical earthquake engineering analysis procedures. The study includes a sensitivity study and a resolution study. The study suggests that the torsional cylindrical impulse shear test will be sensitive to undegraded nonlinear inelastic shear stress vs strain characteristics of soils and able to resolve small differences in these characteristics. 1 Introduction In this paper we present and discuss an analytical study in which the testing of an idealized saturated sand deposit using a simplified in situ tor

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