Experimental Assessment of High Damping Rubber Under Combined Compression and Shear
Source abstract
Abstract
High damping rubber (HDR) is used in the manufacturing of elastomeric bearings for seismic isolation of building and structures. In practical situations, rubber bearings are subjected to a permanent vertical load which may change at the occurrence of the earthquake, and concurrent shear deformation, due to either service movements of the structure or earthquake-induced ground motion. The study presents an experimental procedure for the assessment of HDR specimens under combined compression and shear, reproducing the same typical load regimes which rubber isolators experience in service. Five commercial HDRs were tested according to the procedure. The results point to the importance of considering the influence of the compression stress for a correct understanding of the behavior of HDRs under cyclic shear.
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Research context
OpenAlex topics: Elasticity and Material Modeling · Structural Engineering and Vibration Analysis · Seismic Performance and Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Architecture, Built Environment and Construction Engineering A.B.C., Politecnico of Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy e-mail:
Materials Testing Laboratory, Politecnico of Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy e-mail:
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