Scaled Soil-Structure Interaction Model for Shaking Table Testing

Abstract

The primarily goal of this study is to reveal a scaled soil-structure interaction model for small capacity shaking table testing instead of the full-scale field experiments. The prototype of soil-structure interaction system with frame-type building, resting on a sandy soil with shear wave velocity of 536 m/s and unit weight of 12.9 kN/m 3 has been selected. For experimental investigations, the realistic site and building structures are scaled with a geometric scaling factor of 1:45. The test model, consisting of six-story steel frame-type building, natural soil and laminar soil container, is designed and constructed to realistically simulate the seismic soil-structure interaction effects of building structures in shaking table tests. In order to verify the geometric scaling factor, the dynamic properties of the fixed-base system for both prototype and scaled model are determined by using finite element analysis. Furthermore, the dynamic parameters for scaled model of a single layer soil, restricted with base-rock, have been compared numerically with the proposed laminar soil container, to provide a good agreement.

Effect of Acceleration on Wrap Faced Reinforced Soil Retaining Wall on Soft Clay by Performing Shaking Table Test

“…The scaling factor addressed in this study involves not only geometric similarity but also kinematic and dynamic similarity with the real system. The dynamic parameters for scaled model of a single layer soil are restricted with base-rock which has been compared numerically with the proposed laminar soil container to provide a good agreement [16]. Many researchers [17][18][19] performed shaking table test, to study the seismic responses of underground structures embedded in soft soil.…”

Experimental Study on Consolidation Characteristics of Compacted Loess

“…Soil is a complex porous three-phase material in which many phenomena take place simultaneously. Due to the complexity, many soil mechanics problems must be solved numerically or by laboratory investigation [15]. Ge et al [16] conducted a one-dimensional consolidation creep test on remolded loess; they analyzed the degree of compaction, moisture content, and vertical pressure, and found them to be important factors affecting the secondary consolidation characteristics of loess.…”