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RISStructures with Semiactive Variable Stiffness Single/Multiple Tuned Mass Dampers
Publisher: American Society of Civil Engineers
Abstract: This paper proposes application of single and multiple semiactive variable stiffness tuned mass dampers (STMD/SMTMD) for response control of multistory structures under several types of excitation. A new semiactive control ...
Base-Isolated FCC Building: Impact Response in Northridge Earthquake
Publisher: American Society of Civil Engineers
Abstract: The base-isolated Fire Command and Control (FCC) building in Los Angeles experienced strong motion during the 1994 Northridge earthquake. The California Strong Motion Instrumentation Program has instrumented the building ...
Data Compression of Structural Seismic Responses via Principled Independent Component Analysis
Publisher: American Society of Civil Engineers
Abstract: This paper proposes a novel lossy data compression scheme for structural seismic responses based on principled (truncated) independent component analysis (PICA). It is first shown that independent component analysis (ICA) ...
Closure to “Base-Isolated FCC Building: Impact Response in Northridge Earthquake” by Satish Nagarajaiah and Xiaohong Sun
Publisher: American Society of Civil Engineers
Dynamic Imaging: Real-Time Detection of Local Structural Damage with Blind Separation of Low-Rank Background and Sparse Innovation
Publisher: American Society of Civil Engineers
Abstract: Real-time close-up imaging (filming or video surveillance) of structures is used to automate detection of local component-level damage by exploiting the spatiotemporal data structure of the multiple temporal frames of ...
Wind Response Control of Building with Variable Stiffness Tuned Mass Damper Using Empirical Mode Decomposition/Hilbert Transform
Publisher: American Society of Civil Engineers
Abstract: The effectiveness of a novel semiactive variable stiffness-tuned mass damper (SAIVS-TMD) for the response control of a wind-excited tall benchmark building is investigated in this study. The benchmark building considered ...
Dynamic Imaging: Real-Time Detection of Local Structural Damage with Blind Separation of Low-Rank Background and Sparse Innovation
Publisher: American Society of Civil Engineers
Abstract: Real-time close-up imaging (filming or video surveillance) of structures is used to automate detection of local component-level damage by exploiting the spatiotemporal data structure of the multiple temporal frames of ...
Experimental Study of Sliding Base-Isolated Buildings with Magnetorheological Dampers in Near-Fault Earthquakes
Publisher: American Society of Civil Engineers
Abstract: The increase in bearing displacements of sliding isolated buildings due to near-fault earthquakes, with long-period pulse type of ground motion, is an important problem. Often, supplemental nonlinear passive dampers are ...
Stability of Elastomeric Seismic Isolation Bearings
Publisher: American Society of Civil Engineers
Abstract: Elastomeric seismic isolation bearings are subjected to large axial loads and lateral displacements during strong earthquakes. The existing Koh-Kelly model for elastomeric bearings accounts for axial load effects on ...
Response of Base-Isolated USC Hospital Building in Northridge Earthquake
Publisher: American Society of Civil Engineers
Abstract: The base-isolated University of Southern California (USC) hospital building experienced strong motion during the 1994 Northridge earthquake. California Strong Motion Instrumentation Program data of the response are available ...