Hyde Systems for Earthquake Protection of Residential Buildings - - PowerPoint PPT Presentation

hyde systems for earthquake protection of residential
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Hyde Systems for Earthquake Protection of Residential Buildings - - PowerPoint PPT Presentation

Hyde Systems for Earthquake Protection of Residential Buildings Uwe E. Dorka Stephan Gleim Introduction A multitude of small details in columns, corners or connections decide whether a building will survive or not Hyde Systems in


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Uwe E. Dorka Stephan Gleim Hyde Systems for Earthquake Protection of Residential Buildings

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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Introduction

  • A multitude of small details in columns, corners or

connections decide whether a building will survive

  • r not
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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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Introduction

  • Quality control is overwhelmed by this
  • requirement. Its like a game of chance, even for

the same type of building in the same location

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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Introduction

  • Therefore, we need new

structural concepts adapted to earthquakes

  • Buildings form mechanism

during earthquakes

  • So why not introduce

efficient mechanisms up front and control them?

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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Efficient Structural Control systems for earthquake protection

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • A typical residential building of the Balkan region
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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • subjected to a typical Balkan earthquake
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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • designed as a rigid body mechanism suitable for the application
  • f Hydes
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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • requires only a simple structural model
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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • that has been verified with large-scale pseudo-dynamic tests at

JRC-Ispra

  • n a !/2-scale steel frame with shear-panels
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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • and on a full-scale masonry in-filled

rc-frame with friction connections

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • This model yields a Hyde

system design based on conventional linear limit states in the seismic link

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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A closer look at Hyde systems

  • The comparison with a

conventional structure shows:

  • Reduced stresses and

reduced deformations

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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Conclusions

  • Conventional structures cannot be produced with the quality

required for earthquake safety of large numbers of buildings due to a multitude of critical details: Too much can and will go wrong

  • Structural control systems are superior in performance,

reliability and price and have become a viable alternative

  • Base Isolation, Tendon Systems, Pagoda Systems and Hyde

Systems use passive or semi-active control and may be used in new structures as well as in structural rehab

  • The Hyde system is of particular advantage providing a better

performance and price for low to medium high residential or mixed residential-commercial buildings

  • The Hyde system is the most economical concept to retrofit soft

storey buildings. Tenant activities are hardly affected.

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Hyde Systems in Residential Buildings Uwe E. Dorka, Stephan Gleim

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Thank You for Your Attention