Transformed Shell Structures Determined by Regular Networks as a Complex Material for Roofing

Author:

Abramczyk Jacek

Abstract

The article presents a comprehensive extension of the proprietary basic method for shaping innovative systems of corrugated shell roof structures by means of a specific complex material that comprises regular transformable shell units limited by spatial quadrangles. The units are made up of nominally plane folded sheets transformed into shell shapes. The similar shell units are regularly and effectively arranged in the three-dimensional space in an orderly manner with a universal regular reference surface, polyhedral network, and polygonal network. The extended method leads to the increase in the variety of the designed complex shell roof forms and plane-walled elevation forms of buildings. For this purpose, the rules governing the creation of the continuous roof shell structures of many shells arranged in different unconventional visually attractive patterns and their discontinuous regular modifications are sought. To obtain several novel groups of similar unconventional parametric roof forms, single division coefficients and double division coefficients are used. The easy and intuitive modifications of the positions of the vertices belonging to the polygonal network on the side edges of the polyhedral network accomplished by means of a parametric algorithm allow one to adjust the geometry of the complete shell units to the geometric and material constraints related to the orthotropic properties of the transformed sheeting by means of these coefficients. The innovative approach to the shaping of the diverse unconventional roof structures requires the solving of many interdisciplinary problems in the field of mathematics, civil engineering, construction, morphology, architecture, mechanics, computer visualization, and programming.

Funder

Politechnika Rzeszowska im. Ignacego Łukasiewicza

Publisher

MDPI AG

Subject

General Materials Science

Reference29 articles.

1. Shell Free Forms of Buildings Roofed with Transformed Corrugated Sheeting;Abramczyk,2017

2. Geometrical and Structural Shaping Building Shells Made Up of Transformed Flat Folded Sheets;Reichhart,2002

3. Symmetric Free Form Building Structures Arranged Regularly on Smooth Surfaces with Polyhedral Nets

4. Innovative Building Forms Determined by Orthotropic Properties of Folded Sheets Transformed into Roof Shells;Abramczyk;JASS,2020

5. Folded Sheets as a Universal Material for Shaping Transformed Shell Roofs

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