Trial design of umbrella type shell structures

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Abstract

To create aesthetically expressive and functional small architectural forms, it is advisable to use reinforced concrete umbrella type shells in the shape of surfaces that can be specified in an analytical form. Hard landscaping is a suitable field of application for insufficiently studied and tested structures, in contrast to large structures of high importance class. The paper gives an example of a trial variant design of a small garden and park structure in the form of an umbrella type shell, during which different types of umbrella surfaces were analyzed and three variants were selected. Among the studied forms are the following surfaces: a paraboloid of rotation, an umbrella-type surface with a sinusoidal generator, an umbrella-type surface with radial waves based on cubic parabolas (with central flat point). The calculation of stress-strain state of three shells under their own weight was carried out using the finite element method and the peculiarities of working under load of each type of structures were revealed, recommendations are given when designing similar structures.

About the authors

Evgenia M. Tupikova

Peoples’ Friendship University of Russia (RUDN University)

Author for correspondence.
Email: tupikova-em@rudn.ru
ORCID iD: 0000-0001-8742-3521

PhD, Associate Professor of the Department of Civil Engineering, Academy of Engineering

6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

Mikhail E. Ershov

Peoples’ Friendship University of Russia (RUDN University)

Email: 1032182369@rudn.ru
ORCID iD: 0000-0002-2788-3865

student, Department of Civil Engineering, Academy of Engineering

6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

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