Tags: Energy Dissipation and Control Systems

All Categories (21-40 of 66)

  1. Dynamic Testing of a Low-Cost Sliding Isolation System For Light-Frame Residential Structures

    15 May 2014 | Publications | Contributor(s): Ezra Jampole, Gregory Deierlein, Eduardo Miranda, Benjamin Fell, Scott Swensen

    Development of Low-Cost Seismic Isolation for Lightweight Residential Construction in High-Seismic Regions Light-framed residential structures are generally considered to provide good life safety...

    https://nees.org/resources/11237

  2. Effect of Isolator Instability on the Performance of Seismically Isolated Curved Bridge

    15 May 2014 | Publications | Contributor(s): Eric Monzon, Ian Buckle, Ahmad Itani

    Effect of Isolator Instability on the Performance of Seismically Isolated Curved Bridge A 2/5th scale model of a three-span, seismically isolated, curved steel plate girder bridge was constructed...

    https://nees.org/resources/12483

  3. Effects of post-yield stiffening and strengthening on the collapse performance of non-buckling braced frames

    15 May 2014 | Publications | Contributor(s): Michael Gray, Constantin Christopoulos, Carlos de Oliveira, Justin Binder

    A numerical examination of the effects of post-yield stiffening on the collapse performance of non-buckling braced frames The cast steel Yielding Brace System (YBS) is a non-buckling concentric...

    https://nees.org/resources/11807

  4. Equivalent frequencies and damping ratios of buildings with viscous fluid dampers: a closed form formulation

    15 May 2014 | Publications | Contributor(s): Luis Suarez, Carlos Gaviria

    Equivalent frequencies and damping ratios of buildings with viscous fluid dampers: a closed form formulation Viscous fluid dampers are arguably the most popular alternative among the currently...

    https://nees.org/resources/12513

  5. Experimental Investigation of Unbonded Fiber Reinforced Elastomeric Isolators with Modified Support Geometry

    15 May 2014 | Publications | Contributor(s): Niel Van Engelen, Michael Tait, Dimitrios Konstantinidis

    Experimental Investigation of Unbonded Fiber Reinforced Elastomeric Isolators with Modified Support Geometry Fiber reinforcement is an attractive alternative to conventional steel reinforcement...

    https://nees.org/resources/11533

  6. Experimental Study on Basic Characteristics and Fatigue Properties of Lead Damper for Seismic Isolation System

    15 May 2014 | Publications | Contributor(s): Keiko Morita, Mineo Takayama, Akira Yasunaga

    Experimental Study on Basic Characteristics and Fatigue Properties of Lead Damper for Seismic Isolation System Keiko Morita, Akira Yasunaga, Mineo Takayama In order to protect buildings and inner...

    https://nees.org/resources/11115

  7. Experimental study on reduced-length buckling-restrained braces under slow-cyclic loading

    15 May 2014 | Publications | Contributor(s): M. Safeer Pandikkadavath, Dipti Ranjan Sahoo

    Experimental study on reduced-length buckling-restrained braces under slow-cyclic loading Conventional bucking-type braces (BTBs) suffer from the strength-and-stiffness degradation under...

    https://nees.org/resources/11667

  8. Experimental Verification of a Rolling Isolation System

    15 May 2014 | Publications | Contributor(s): P. Scott Harvey, Henri Gavin, Gerard-Philippe Zehil

    Experimental Verification of a Rolling Isolation System Rolling isolation systems are implemented broadly in the mitigation of seismic hazards to building equipment. The dynamics of these...

    https://nees.org/resources/12343

  9. Impact of Buckling Restrained Braces on Catenary Action in Steel Framed Structures

    15 May 2014 | Publications | Contributor(s): Haitham Eletrabi, Justin Marshall

    Impact of Buckling Restrained Braces on Catenary Action in Steel Framed Structures Buckling restrained braces (BRBs) are passive control devices that have superior ductility and energy dissipative...

    https://nees.org/resources/12379

  10. Influence of site effects and soil-structure interaction on seismic isolation of buildings on soft soils

    15 May 2014 | Publications | Contributor(s): Luis Eduardo Perez Rocha, Javier Aviles Lopez, Arturo Tena Colunga, Cuauhtemoc Cordero Macias

    Influence of site effects and soil-structure interaction on seismic isolation of buildings on soft soils Seismic isolators have been successfully used in structures on firm ground. For soft soils,...

    https://nees.org/resources/12361

  11. Investigation of the Relationship Between the Mechanics of Seismic Isolation Systems and the Use of Vertical and Vertical-Horizontal Ground Motions

    15 May 2014 | Publications | Contributor(s): Jenna Wong, Andreas Schellenberg, Stephen Mahin

    Investigation of the Relationship Between the Mechanics of Seismic Isolation Systems and the Use of Vertical and Coupled Vertical-Horizontal Ground Motions Seismic isolation is being utilized in...

    https://nees.org/resources/12525

  12. Isolation for tall buildings, a Japanese case study

    15 May 2014 | Publications | Contributor(s): Tracy Becker, Masayoshi Nakashima, Hiroki Hamaguchi, Shunji Yamamoto, Masahiko Higashino

    Isolation for tall buildings, a Japanese case study Base isolation practice has flourished in Japan, especially after the 1995 Kobe Earthquake. Its widespread acceptance has allowed its use to...

    https://nees.org/resources/11305

  13. MULTI-MODE RESPONSE OF BASE-ISOLATED RIGID BLOCKS TO GROUND EXCITATION

    15 May 2014 | Publications | Contributor(s): Panayiotis Roussis, Spyroula Odysseos

    MULTI-MODE RESPONSE OF BASE-ISOLATED RIGID BLOCKS TO GROUND EXCITATION This paper presents the two-dimensional nonlinear formulation for the multi-mode response of base-isolated rigid blocks...

    https://nees.org/resources/12531

  14. Multi-objective design of fluid viscous dampers using life-cycle cost criteria

    15 May 2014 | Publications | Contributor(s): Alexandros Taflanidis, Ioannis Gidaris, George Mavroeidis

    Multi-objective design of fluid viscous dampers using life-cycle cost criteria Probabilistic approaches for cost-effective design of fluid viscous dampers for seismic hazard mitigation are gaining...

    https://nees.org/resources/11687

  15. Nonlinear Rooftop Tuned Mass Damper Frame

    15 May 2014 | Publications | Contributor(s): Jerod Johnson, Chris Pantelides, Lawrence Reaveley

    Nonlinear Rooftop Tuned Mass Damper Frame Jerod Johnson, Chris Pantelides, Lawrence Reaveley Innovative strategies driven toward improving the structural and nonstructural performance of existing...

    https://nees.org/resources/11075

  16. NUMERICAL EVALUATION OF SEISMIC RESPONSE OF BUILDINGS EQUIPPED WITH PROPPED ROCKING WALL SYSTEMS

    15 May 2014 | Publications | Contributor(s): Afsoon Nicknam, André Filiatrault

    EVALUATION OF SEISMIC RESPONSE AND FRAGILITY ANALYSES OF BUILDINGS EQUIPPED WITH PROPPED ROCKING WALL SYSTEMS Propped Rocking Wall (PRW) is an innovative technology which combines passive damping...

    https://nees.org/resources/11535

  17. On the seismic analysis of structures with friction pendulum isolators subjected to horizontal and vertical ground motions

    15 May 2014 | Publications | Contributor(s): Luca Landi, Gianluca Grazi, Pier Paolo Diotallevi

    On the seismic analysis of structures with friction pendulum isolators subjected to horizontal and vertical ground motions This research focuses on the different modeling approaches for the...

    https://nees.org/resources/12023

  18. Optimal Arrangement of Visco-Elastic Dampers in Mass Isolated System

    15 May 2014 | Publications | Contributor(s): Mojtaba Alidoost, Erfan Alavi

    Optimal Arrangement of Visco-Elastic Dampers in Mass Isolated System This paper presents results of using mass isolation system, MIS, with visco-elastic (VE) dampers in seismic design of...

    https://nees.org/resources/12481

  19. Optimal design of supplemental damping devices for nonlinear MDOF structures based on a novel nonlinear damping index

    15 May 2014 | Publications | Contributor(s): Jian Zhang, Wang Xi

    Optimal design of supplemental damping devices for nonlinear MDOF structures based on a novel nonlinear damping index Supplemental damping devices such as nonlinear viscous dampers have been...

    https://nees.org/resources/12221

  20. Optimum seismic design of nonlinear asymmetric structures controlled by large tuned mass dampers.

    15 May 2014 | Publications | Contributor(s): Juan Aguirre

    Optimum seismic design of nonlinear asymmetric structures controlled by large tuned mass dampers. Tuned Mass Dampers (TMD) have extensively been used to successfully mitigate narrow bandwidth type...

    https://nees.org/resources/11675