By Carlo Andrea Castiglioni
This ebook provides the most results of the 1st ecu examine venture at the seismic habit of adjustable metal garage pallet racking platforms. particularly, it describes a complete and distinct set of full-scale assessments designed to evaluate such habit. The assessments played comprise cyclic exams of full-scale rack elements, particularly beam-to-upright connections and column base connections; static and dynamic checks to evaluate the friction issue among pallets and rack beams; full-scale pushover and pseudodynamic exams of garage racks in down-aisle and cross-aisle instructions; and full-scale dynamic checks on two-bay, three-level rack types. the consequences of the findings of this wide checking out regime at the seismic habit of racking structures are mentioned intimately, highlighting e.g. the affirmation that below serious dynamic stipulations “sliding” is the most issue influencing rack reaction. This paintings used to be conceived in the course of the improvement of the SEISRACKS venture. Its results will give a contribution considerably to expanding our wisdom of the structural habit of racks less than earthquake stipulations and may tell destiny rack design.
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Extra resources for Seismic Behavior of Steel Storage Pallet Racking Systems
Instrumentation of specimen A6. . . . . . . . Transfer function table-top for specimen A1 . . . Transfer function table-top for specimen A2 . . . Transfer function table-top for specimen A3 . . . Transfer function table-top for specimen A4 . . . Transfer function table-top for specimen A5 . . . Transfer function column base-top for specimen A5 . . . . . . . . . . . . . . . . . . Transfer function table-top for specimen A6 . . . Transfer function column base-top for specimen A6 .
Base shear for test 9 on specimen D . . . . . . Residual displacements of specimen D recorded after each test. a Cross-aisle direction; b down-aisle direction . . . . . . . . . . . . . . . . Detail of the test set-up with the safety frame . . . Typical acceleration time histories adopted for the dynamic tests: a random vibration tests, b earthquake tests: shake table input time-history and elastic response spectrum of input signal (for specimen A2-test 9) .
LVDT’s for global displacement measurement, at each level . . . . . . . . . . . . . . LVDT’s for beam-to-upright rotation measurement. Summary of the instrumentation applied to the specimen . . . . . . . . . . . . . . . Reference system for the down-aisle pushover test . Deformed shape at various stages during the test . . 280 ..... 281 ..... 281 ..... 282 ..... ..... 282 282 283 ..... 284 ..... 284 ..... 285 ..... 286 ..... 287 ..... 288 . . . . . . .
Seismic Behavior of Steel Storage Pallet Racking Systems by Carlo Andrea Castiglioni