Monday, October 17, 2011

Structure

I'm trying to figure out how to shade my main roof structure over the debating chamber. Looking at The Esplanade project - the shading structure formed outside of glass structure. The examples below explore shading devices beneath/within the structures.
I am considering using shading structures within the structure instead of outside of it. This will not hide the glass in a sharp form and can keep it clean simple.

City of Justice - Foster + Partners

  • designed to minimize unwanted solar gain, while allowing natural daylight inside
  • develop several customized shading systems
  • unique series of hexagonal shading cells
  • when retracted their profiles 'disappear' into the structural profiles of the roof
  • shading system utilizes the Strata™ system from Adaptive Building Initiative 
  • during the day, the primary function of the system will be sun shading
  • an algorithm combining historic solar gain data with real-time sensing of light levels will control the shading units
Source: http://www.hoberman.com/portfolio/audenciaprovincial.php?myNum=4&mytext=Audiencia+Provincial&myrollovertext=%3Cu%3EAudiencia+Provincial%3C%2Fu%3E&category=&projectname=Audiencia+Provincial

  • a responsive dome to cover a major central courtyard
  • control light levels and air flows in the space
  • expanding iris domes, with one of Adaptive Building Initiative’s Intelligent Surfaces — thePermea™ system
  • dome’s surface is divided into a faceted grid comprised of Permea™ panels

Sources: http://www.hoberman.com/portfolio/transformabledome.php?myNum=33&mytext=Transformable+Dome&myrollovertext=%3Cu%3ETransformable+Dome%3C%2Fu%3E&category=&projectname=Transformable+Dome
http://www.adaptivebuildings.com/abu-dhabi-airport.html

The systems used in the above Projects
Strata

...consists of modular units that hide within a single slender profile when retracted. When activated, they extend to form a nearly continuous surface comprised of a series of slats that may be constructed of different materials, including metal, plastic, and wood.
This system is well-suited to applications for which the shading device is needed to “disappear” into a building's underlying structure.

Adaptivity Benefits
  • Shading control
  • Reduced solar gain and glare
  • Ventilation and airflow control
Applications
  • Façades, roofs, awnings, building skins
  • Vertical / Horizontal
  • Exterior / Interior
  • Freestanding structural shades


Source: http://www.adaptivebuildings.com/strata-surface.html

Permea
...a unitized, self-contained system that controls its permeability, varying smoothly between a completely covered and a largely open state. It can be configured to create a seal to protect against dust and debris over large areas
...the panels move parallel to the building’s surface, allowing its layers to be completely hidden when retracted. Additional benefits include unitized integration with the building, and an unprecedented level of control over patterning.

Adaptivity Benefits
  • Ventilation and airflow control
  • Dust and debris protection
  • Reduced solar gain and glare
  • Shading control
  • Privacy control
Applications
  • Façades, roofs, awnings, building skins
  • Vertical / Horizontal
  • Exterior / Interior
  • Blast/fire shields
  • Freestanding structural shades
Source: http://www.adaptivebuildings.com/permea-surface.html

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