Abstract
Tiered configuration is one of the best solutions to construct tall geogrid-mechanically stabilized earth (GMSE) walls. The shaking table tests (experimental) and finite element (FE) method (numerical) analyses of the 1-m-high wall models are compared in this study. The influence of tiered construction on the displacements and acceleration responses of the walls was assessed by varying the number of wall tiers. The results show a significant improvement in various parameters affecting the seismic response of the walls in multi-tiered wall models compared to the integrated ones. The construction of the walls in tiered configurations resulted in an average decrease of 74%, 60%, and 26% in displacements, geogrid peak tensile forces, and accelerations, respectively. These findings demonstrated the improved dynamic behavior of the tiered walls.
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