arc5410 Advanced Structure and Construction

5.0 The Building Envelope Pt. 2Enclosure systems: cladding, curtain wall, envelope, skin, exterior membrane

Lowara Office Building Renzo Piano Building Workshop nr. Vicenza, Italy 1985

Hall 26 Hanover Expo-Trade Show Thomas Herzog, arch Jorg Schlaich, engr1994 - 1996 Herzog and Partner, Munich Schlaich Bergermann and Partner, Stuttgart

Competition Brief: 25,000 - 30,000 m2

important criteria: load bearing structure for long spansminimum height roof with high points to enhance natural ventilationdaylight preferred, direct sunlight restricteduse of renewable materials and savings in energy use

Natural light: external sun screening on south façade and roof triple glazing with light reflecting grids

mirrored soffit

Artificial lighting: lights on sides of glass ducts projected upward and reflected off mirrored ceiling

lights on sides of glass ducts projecting downwardsuspended lighting in strip along underside of ceiling

Horizontal section showing pre-tensioned back to back steel channels. Vertical section showing 80mm x 50mm façade rail.

COUNCIL OF TALL BUILDINGS AND URBAN HABITAT

Chicago Conference October, 2009

See presentation by engineer Richard Tomasetti of Thornton, Tomasetti Inc.

He discusses the new tower by Calatrava called the Chicago Spire.

http://ctbuh.org/Events/Conferences/Chicago2009Home/Chicago2009Speakers/tabid/1277/language/en-GB/Default.aspx