Abstract
Ten-storey full-scale shaking table tests in 2015 and 2018 were simulated by analytical models such as those currently being used in design practice or proposed in recent research. The analytical responses were compared with the test data to investigate (1) the effect of the effective slab width on the beam capacities and (2) the base sliding and uplifting behaviour. Three-dimensional pushover analysis used in Japanese design practice was applied to the fixed-base shaking table tests by varying the effective slab width on the beam to simulate the load–displacement relations and the lateral load carrying capacity in the tests. The effectiveness of slab and transverse beams was also evaluated in detail by the analysis using the Timoshenko fibre beam element model applied partially for an outer span end in the wall direction. The analytical strains of slab reinforcement at the outer span end were compared with those measured in the tests. Three-dimensional nonlinear dynamic frame analyses with sliding base foundation models were carried out to simulate the responses of the superstructure and the sliding drift. Different types of simple base models were used where the two-way sliding and axial–shear interaction were considered at the centre of the specimen while the horizontal base rotation was ignored. The response reduction of the superstructure owing to the sliding base could be approximated by either of the base models, while a large discrepancy was observed in the residual sliding drifts between the test and the analyses.
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Kabeyasawa, T., Kabeyasawa, T., Xiongjie, C. et al. Evaluation of base sliding response and effective slab width in ten-storey tests. Bull Earthquake Eng 21, 6535–6552 (2023). https://doi.org/10.1007/s10518-023-01643-9
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DOI: https://doi.org/10.1007/s10518-023-01643-9