"On the Biais Passé: The Olivier String Model and the Representation of Constructive Solutions for the Skew Arch"
Among the famous dynamic string models conceived by Théodore Olivier (1793-1853) as a primary didactic tool to teach Descriptive Geometry, there are some that were strictly related to classic problems of stereotomy. This is the case of the biais passé, which was both a clear illustration of a special warped ruled surface and an example of how constructors dealt with the problem of building a skew arch, solving structural and practical stone cutting demands. The representation of the biais pas...
As errâncias do Carré Mulhosien. Novas práticas no desenho da casa operária no Porto
The narrative focuses on a particular solution of economical housing - le carré mulhousien - expressing a general preference for single-family detached house. This was the solution that Marques da Silva took as ideal and its analysis allow us to display a wider frame indications referenced to the modern roots of the first post-war social housing architecture.