BAIXA POMBALINO WALLS
Rua Dos Sapateiros, 39
Baixa
Lisboa, Portugal

PAPERS BY RANDOLPH LANGENBACH WITH DESCRIPTION OF THE LISBON, PORTUGAL PARADES POMBALINAS (THE "GAIOLA.")

From “Opus Craticium” to the “Chicago Frame,” Earthquake Resistant Traditional Construction, International Journal of Architectural Heritage: Conservation, Analysis, and Restoration, London: Taylor & Francis, Volume 1, Issue 1, 01 January 2007, Pages 29 – 59.

2006 "SAGA OF THE HALF-TIMBERED SKYSCRAPER: What Does Half-Timbered Construction have to do with the Chicago Frame," Proceedings of the Second International Congress on Construction History, Cambridge University, UK, 2006

2006, Co-authors: Randolph Langenbach, Khalid Mosalam, Sinan Akarsu, Alberto Dusi; ARMATURE CROSSWALLS: A Proposed Methodology to Improve the Seismic Performance of Non-ductile Reinforced Concrete Infill Frame Structures, 8th U.S. National Conference on Earthquake Engineering (8NCEE), San Francisco 1906 anniversary, 2006. RESEARCH PROJECT DESCRIPTION: Armature Crosswall Research Project proposal

Photographs © Randolph Langenbach, January 27, 2003 ^*

^{CLICK ON IMAGES TO ENLARGE}

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Image #1 above is a stitched panorama made up from four separate photographs.

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8) 9) 10)

Image #9 above is a stitched panorama made up with three separate photographs.

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Image #11 above is a stitched panorama made up with three separate photographs.

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STEREO-PAIR:  The above images (16&17) form a single 3D view.  Click on either one to find the enlargements with instructions for viewing.     On the same page, also see a 3D detail of the infill masonry from the engineering lab tests on the walls.

18) 19) 20)  

21) 22)

Image #21 above is a stitched panorama made up with two separate photographs.

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^*Permission granted for unpublished use in lectures and teaching.  Please write to langenbach(at)conservationtech.com for copyright release for published uses.  
All images here on the WEB are of reduced resolution to enable web access.  Contact the above address if higher resolution images are needed.

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© Randolph Langenbach

M-Arch (Harvard), Dipl.Conservation (York, England)

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