Rare Weather Phenomena and the Work of Large-Format Roof Coverings

Author:

Ksit Barbara1,Szymczak-Graczyk Anna2

Affiliation:

1. Poznan University of Technology , Poznan , Poland

2. University of Life Sciences in Poznan , Poznan , Poland

Abstract

Abstract Wind action belongs to loads that are environmentally variable. Wind action is included in the basic combination of loads, whereas hurricane wind action is classified as a unique combination. Due to large gusts of wind, the roof coverings of large-scale buildings are exposed to detachment of their cover layer. The article presents the effects of over-normative wind, which occurred on January 19, 2018 and was named the cyclone Frederic/David. The purpose of the article is to show that in design of roof coverings made of large-format materials, such as membranes, it is crucial to accept wind load values properly in order to ensure a right spacing between fasteners. The presented results might be an important contribution to the debate on the necessity for increasing the fundamental value of the basic wind velocity in the perimeter and corner zones of large-format roofs.

Publisher

Walter de Gruyter GmbH

Subject

General Medicine

Reference14 articles.

1. 1. European Technical Assessment ETA-07/0013 as of 17 March 2017. EJOT fasteners for flat roofs. Fasteners for mechanical fastening of roofing systems made of flexible waterproofing products (Europejska Ocena Techniczna ETA-07/0013 z dnia 17 marca 2017. EJOT łączniki do dachów płaskich. Łączniki do mechanicznego mocowania systemów pokryć dachowych z elastycznych wyrobów wodochronnych).

2. 2. Ksit, B and Monczyński, B 2012. Damp insulation and hydroinsulation of flat roofs and terraces (Izolacje przeciwwilgociowe i przeciwwodne dachów płaskich i tarasów), Verlag Daschofer sp.z o.o.

3. 3. Monczyński, B, Ksit, B and Szymczak-Graczyk, A 2019. Assessment of the effectiveness of secondary horizontal insulation against rising damp performed by chemical injection. IOP Conference Series: Materials Science and Engineering, 471, 052-063.10.1088/1757-899X/471/5/052063

4. 4. Nowogońska, B 2016. The Life Cycle of a Building as a Technical Object. Periodica Polytechnica Civil Engineering, 60(3), 331-336.10.3311/PPci.7932

5. 5. PN-77/B-02011:1977/Az1 Loads in static calculations. Wind load (Obciążenia w obliczeniach statycznych. Obciążenie wiatrem).

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