Designing by Geometry. Rankine's Theorems of Transformation of Structures.

Huerta Fernández, Santiago (2010). Designing by Geometry. Rankine's Theorems of Transformation of Structures.. En: "Geometría y proporción en las estructuras. Ensayos en honor de Ricardo Aroca". Lampreave, Madrid, pp. 262-285. ISBN 978-84-614-3791-7.


Título: Designing by Geometry. Rankine's Theorems of Transformation of Structures.
  • Huerta Fernández, Santiago
  • Cassinello, Pepa
  • Huerta Fernández, Santiago
  • Prapa Poole, José Miguel
  • Sánchez Lampreave, Ricardo
Tipo de Documento: Sección de Libro
Título del Libro: Geometría y proporción en las estructuras. Ensayos en honor de Ricardo Aroca
Fecha: Septiembre 2010
ISBN: 978-84-614-3791-7
Palabras Clave Informales: proyedto de estructuras geometría equilibrio William John Macquorn Rankine arcos cables cerchas cúpulas estructuras de fábrica historia de la construcción transformación afín structural design transformation theorems Rankine equilibrium arches trusses chains domes masonry structures geometry affine transformation
Escuela: E.T.S. Arquitectura (UPM)
Departamento: Estructuras de Edificación [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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William John Macquorn Rankine (1820-1872) was one of the main figures in establishing engineering science in the second half of the 19th. Century. His Manual of Applied Mechanics (1858) gathers most of his contributions to strength of materials and structural theory. A few additions are to be found in his Manual of Civil Engineering (1862). The book is based in his Lectures on Engineering delivered in the Glasgow University, and formed part of his intention of converting engineering science in a university degree (Channell 1982, Buchanan 1985). Both in plan and in content the book shows and enormous rigour and originality. It is difficult to read. As remarked by Timoshenko (1953, 198): "In his work Rankine prefers to treat each problem first in its most general form and only later does he consider various particular cases which may be of some practical interest. Rankine's adoption of this method of writing makes his books difficult to read, and they demand considerable concentration of the reader." Besides, Rankine does not repeat any demonstration or formula, and sometimes the reader must trace back the complete development through four or five previous paragraphs. The method is that of a mathematician. However, the Manual had 21 editions (the last in 1921) an exerted a considerable influence both in England and America. In this article we will concentrate only in one of the more originals contributions of Rankine in the field of structural theory, his Theorems of Transformation of Structures. These theorems have deserved no attention either to his contemporaries or to modern historians of structural theory. It appears that the only exception is Timoshenko (1953,198-200) who cited the general statement and described briefly its applications to arches. The present author has studied the application of the Theorems to masonry structures (Huerta and Aroca 1989; Huerta 1990, 2004, 2007). Rankine discovered the Theorems during the preparation of his Lectures for his Chair of Engineering in the University of Glasgow . He considered it very important, as he published it in a short note communicated to the Royal Society in 1856 (Rankine 1856). He included it, also, in his article "Mechanics (applied)" for the 8th edition of the Encyclopaedia Britannica (Rankine 1857). Eventually, the Theorems were incoroporated in the Manual of applied mechanics and applied to frames, cables, rib arches and masonry structures. The theorems were also included in his Manual of civil engineering (1862), generally in a shortened way, but with some additions.

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ID de Registro: 4368
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Depositado por: Profesor S. Huerta
Depositado el: 26 Sep 2010 17:45
Ultima Modificación: 20 Abr 2016 13:37
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