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IASS-SLTE Symposium 2014: Shells, Membranes and Spatial Structures: Footprints

IASS Symposium 2014

SESSION: Historical Spatial Structures

Structural documentation of the Palace of Congress in Brasilia

< Table of Contents for Historical Spatial Structures
  • Proceedings Name: IASS-SLTE Symposium 2014: Shells, Membranes and Spatial Structures: Footprints
  • ISSN: (Electronic Version) 2518-6582
  • Session: Historical Spatial Structures
  • Title: Structural documentation of the Palace of Congress in Brasilia
  • Author(s): José M. M. SÁNCHEZ, Elcio G. da SILVA
  • Keywords: Brasília, Palace of Congress, Oscar Niemeyer, Joaquim Cardozo, concrete shell, historical spatial structures
The construction of the National Congress building in Brasilia was a mark in the use of reinforced concrete in modern Brazilian architecture and apex of structural knowledge of the period. The formal audacity of the domes of the Senate and especially the Chamber of Deputies, Oscar Niemeyer's architectural conception and structural design of Joaquim Cardozo, is still a matter of plastic surprise, even 50 years of construction. Oscar Niemeyer recognizes the importance of Joaquim Cardozo in projects carried out in Brasilia in a fraternal and almost authorial way. The Cardozo's search towards a constructive form that made feasible the proposed plastic form is the result of great structural experience and artistic sensibility. This work, is result of doctoral thesis entitled The Original Palaces of Brasília, presents the primary documentation of the structural designs of the National Congress. Resulting from research in the Federal District Public Archives, and especially in existing collection in the House of Representatives itself, some of those documents are not listed or analyzed in the literature on the works of Brasilia. It is presented contributions to the published historiography about the Congress, demonstrating how the structural project changed the cross section and consequently the way we perceive the domes resting on the base of the building. From the original documentation are presented three-dimensional representations of the structural framework and details of the proposed design of the girder support. The detailing of reinforcement presents the state of art of reinforcement concrete at that time. Provides a glimpse of the technical difficulty and creativity of the calculation required by the authors.

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