Pseudospheric shells in the construction
- Authors: Gil-oulbé M.1, Ndomilep I.J.1, Ngandu P.1
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Affiliations:
- Peoples’ Friendship University of Russia (RUDN University)
- Issue: Vol 22, No 1 (2021)
- Pages: 84-99
- Section: Articles
- URL: https://journals.rcsi.science/2312-8143/article/view/327538
- DOI: https://doi.org/10.22363/2312-8143-2021-22-1-84-99
- ID: 327538
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Abstract
The architects working with the shell use well-established geometry forms, which make up about 5-10 % of the number of known surfaces, in their projects. However, there is such a well-known surface of rotation, which from the 19th century to the present is very popular among mathematicians-geometers, but it is practically unknown to architects and designers, there are no examples of its use in the construction industry. This is a pseudosphere surface. For a pseudospherical surface with a pseudosphere rib radius, the Gaussian curvature at all points equals the constant negative number. The pseudosphere, or the surface of the Beltram, is generated by the rotation of the tracersis, evolvent of the chain line. The article provides an overview of known methods of calculation of pseudospherical shells and explores the strain-stress state of thin shells of revolution with close geometry parameters to identify optimal forms. As noted earlier, no examples of the use of the surface of the pseudosphere in the construction industry have been found in the scientific and technical literature. Only Kenneth Becher presented examples of pseudospheres implemented in nature: a gypsum model of the pseudosphere made by V. Martin Schilling at the end of the 19th century.
About the authors
Mathieu Gil-oulbé
Peoples’ Friendship University of Russia (RUDN University)
Author for correspondence.
Email: gil-oulbem@hotmail.com
ORCID iD: 0000-0003-0057-3485
Associate Professor of the Department of Civil Engineering, Academy of Engineering, RUDN University, Candidate of Technical Sciences
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationIpel Junior Alphonse Ndomilep
Peoples’ Friendship University of Russia (RUDN University)
Email: ndomilepjunior@gmail.com
Graduate Student of the Department of Civil Engineering, Academy of Engineering, RUDN University
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationProsper Ngandu
Peoples’ Friendship University of Russia (RUDN University)
Email: prosperngandu60@gmail.com
Master Student of the Department of Civil Engineering, Academy of Engineering, RUDN University
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationReferences
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