Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Abstract Barrel vault is one of the oldest architectural forms, used since antiquity. The brick architecture of the Orient or the masonry construction of the Romans provides numerous examples of the structural use of barrel vaults. The industrial and technological developments which have taken place during the last three decades have had a far-reaching effect upon contemporary architecture and modern engineering. New building techniques, new constructional materials, and new structural forms have been introduced all over the world. The architectural search for new structural forms has resulted in the widespread use of three-dimensional structures. The evolution of effective computer techniques of analysis is undoubtedly one of the reasons for the truly phenomenal acceptance of space structures. During recent years, architects and engineers have rediscovered the advantages of barrel vaults as viable and often highly suitable forms for covering not only low-cost industrial buildings, warehouses, large-span hangars, and indoor sports stadium but also large cultural and leisure centers. The impact of industrialization on prefabricated barrel vaults has proved to be the most significant factor leading to lower costs for these structures. A barrel vault consists of one or more layers of elements that are arched in one direction [1]. Barrel vaults are given different names depending on the way their surface is formed. The earlier types of barrel vaults were constructed as single-layer structures [2–4]. Nowadays, with increase of the spans, double-layer systems are often preferred. Whereas the single-layer barrel vaults are mainly under the action of flexural moments, the component members of double-layer barrel vaults are almost exclusively under the action of axial forces; the elimination of bending moments leads to a full utilization of strength of all the elements. Formex algebra is a mathematical system that provides a convenient medium for configuration processing. The concepts are general and can be used in many fields. In particular, the ideas may be employed for generation of information about various aspects of structural systems such as element connectivity, nodal coordinates, details of loadings, joint numbers, and support arrangements. The information generated may be used for various purposes, such as graphic visualization or input data for structural analysis. Double-layer barrel vaults have great number of structural elements, and utilizing optimization techniques has considerable influence on the economy.
Abstract Barrel vault is one of the oldest architectural forms, used since antiquity. The brick architecture of the Orient or the masonry construction of the Romans provides numerous examples of the structural use of barrel vaults. The industrial and technological developments which have taken place during the last three decades have had a far-reaching effect upon contemporary architecture and modern engineering. New building techniques, new constructional materials, and new structural forms have been introduced all over the world. The architectural search for new structural forms has resulted in the widespread use of three-dimensional structures. The evolution of effective computer techniques of analysis is undoubtedly one of the reasons for the truly phenomenal acceptance of space structures. During recent years, architects and engineers have rediscovered the advantages of barrel vaults as viable and often highly suitable forms for covering not only low-cost industrial buildings, warehouses, large-span hangars, and indoor sports stadium but also large cultural and leisure centers. The impact of industrialization on prefabricated barrel vaults has proved to be the most significant factor leading to lower costs for these structures. A barrel vault consists of one or more layers of elements that are arched in one direction [1]. Barrel vaults are given different names depending on the way their surface is formed. The earlier types of barrel vaults were constructed as single-layer structures [2–4]. Nowadays, with increase of the spans, double-layer systems are often preferred. Whereas the single-layer barrel vaults are mainly under the action of flexural moments, the component members of double-layer barrel vaults are almost exclusively under the action of axial forces; the elimination of bending moments leads to a full utilization of strength of all the elements. Formex algebra is a mathematical system that provides a convenient medium for configuration processing. The concepts are general and can be used in many fields. In particular, the ideas may be employed for generation of information about various aspects of structural systems such as element connectivity, nodal coordinates, details of loadings, joint numbers, and support arrangements. The information generated may be used for various purposes, such as graphic visualization or input data for structural analysis. Double-layer barrel vaults have great number of structural elements, and utilizing optimization techniques has considerable influence on the economy.
Optimal Design of Double-Layer Barrel Vaults Using CBO and ECBO Algorithms
Kaveh, A. (Autor:in)
02.12.2016
18 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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