Analytical modeling study demonstrates accurate dynamic response tracking in gravity-driven CLT rocking walls, highlighting the necessity of center compression springs for two-axis seismic analysis.
This study aimed to identify primary resisting components in the seismic behavior of the gravity-driven CLT rocking system and to develop an analytical model capable of reproducing experimental results. The model incorporated embedment performance between the CLT wall and horizontal members, as well as tensile and restoring resistance which represent friction at shear joints. Furthermore, modeling embedment with three compression springs (two at the wall ends, one at the center) effectively captured maximum deformation and phase. In contrast, the model with only two wall–end springs sometimes failed to reproduce the 2-axis seismic behavior of this structure.
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Momose et al. (2026) studied this question.
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