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Veggeta

12-23-2009, 05:06 AM
SEISMIC PROTECTIVE SYSTEMS: PASSIVE ENERGY DISSIPATION

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Presentation FEMA

Presented & Developed by:
Michael D. Symans, PhD
Rensselaer Polytechnic Institute
Initially Developed by:
Finley A. Charney, PE, PhD
Virginia Polytechnic Institute & State University

Pages: 206


CONTENTS:

Outline: Part I
• Objectives of Advanced Technology Systems and Effects on Seismic Response
• Distinction Between Natural and Added Damping
• Energy Distribution and Damage Reduction
• Classification of Passive Energy Dissipation Systems

Outline: Part II
• Velocity-Dependent Damping Systems: Fluid Dampers and Viscoelastic Dampers
• Models for Velocity-Dependent Dampers
• Effects of Linkage Flexibility
• Displacement-Dependent Damping Systems: Steel Plate Dampers, Unbonded Brace Dampers, and Friction Dampers
• Concept of Equivalent Viscous Damping
• Modeling Considerations for Structures with Passive Energy Dissipation Systems

Outline: Part III
• Seismic Analysis of MDOF Structures with Passive Energy Dissipation Systems
• Representations of Damping
• Examples: Application of Modal Strain Energy Method and Non-Classical Damping Analysis
• Summary of MDOF Analysis Procedures

Outline: Part IV
• MDOF Solution Using Complex Modal Analysis
• Example: Damped Mode Shapes and Frequencies
• An Unexpected Effect of Passive Damping
• Modeling Dampers in Computer Software
• Guidelines and Code-Related Documents for Passive Energy Dissipation Systems


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Grunf

03-17-2011, 09:27 AM
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Civil Engineering Association > eBooks > Structural Dynamics and Earthquake Engineering > FEMA 451: SEISMIC PROTECTIVE SYSTEMS: PASSIVE ENERGY DISSIPATION