Építés - Építészettudomány
Volume/Issue:
Volume 50: Issue 1-2
The Effect of Connecting Bridges on Vortex-induced Vibration of Skyscrapers
Authors:
Mehmet Köhserli PhD student. Department of Mechanics, Materials and Structures, Budapest University of Technology and Economics, K II. 61, Műegyetem rkp. 3, H-1111 Budapest, Hungary

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Péter L. Várkonyi Dr. habil., professor. Department of Mechanics, Materials and Structures, Budapest University of Technology and Economics, K II. 61, Műegyetem rkp. 3, H-1111 Budapest, Hungary

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Pages:
1–16
Online Publication Date:
02 Dec 2021
Publication Date:
04 Mar 2022
Article Category:
Research Article
DOI:
https://doi.org/10.1556/096.2021.00019
Keywords:
high-rise building; vortex shedding; vibration; wind; structural dynamics; megastructure;
Keywords (Hungarian):
magasház; örvényleválás; rezgés; szél; szerkezetek dinamikája; megastruktúra;
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The shapes of slender skyscrapers are unfavourable for carrying horizontal loads. In this paper, we investigate the possibility of improving their structural behaviour by adding urban-scale networks of structural connections among the buildings. We focus on vibrations of skyscrapers in response to wind-induced vortex shedding. We develop a conceptual model of those structural networks composed of springs, dampers and point masses. The proposed model enables rapid numerical simulations involving large networks, which is not possible in the case of more detailed engineering models. The effect of connections, dilatation gaps, and network size are investigated for random collections of high-rise buildings, and triangular networks of horizontal bar connections among them. It is found that connections efficiently reduce vibrations in the network, especially for large network size. This study aims to be a first step towards uncovering the benefits of a novel form of urban development.

A karcsú felhőkarcolók alakja kedvezőtlen a rájuk ható vízszintes terhek viselése szempontjából. Munkánkban a szerkezeti viselkedés javítási lehetőségeit vizsgáljuk az épületeket összekötő szerkezeti kapcsolatok városi léptékű hálózata segítségével. Vizsgálatunk középpontjában a szél által kiváltott örvényleválás okozta szerkezeti rezgések állnak. A rendszert rugókból, csillapítóelemekből és tömegpontokból álló koncepcionális modell segítségével írjuk le. Ez a megközelítésmód lehetővé teszi nagy hálózatok gyors numerikus szimulációját, amely részletesebb mérnöki modellek esetében nem lehetséges. Véletlenszerűen generált épületcsoportok, és vízszintes rúdszerű kapcsolatokból kialakított háromszögelt hálózatok esetén vizsgáljuk a kapcsolatoknak, a bennük kialakított dilatációs hézagoknak és a hálózat méretének a hatását. Eredményeink azt mutatják, hogy a kapcsolatok jelentősen csökkentik a hálózat rezgéseit, különösen nagy hálózati méret esetén. A tanulmány célja, hogy kezdeti lépéseket tegyünk egy újszerű városfejlesztési modell előnyeinek feltárására.

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Cover Építés - Építészettudomány
Építés - Építészettudomány
Print ISSN:
0013-9661
Online ISSN:
1588-2764

Senior editors

Editor(s)-in-Chief: Sajtos, István, Budapest University of Technology and Economics, Budapest, Hungary

Editor(s): Krähling, János, Budapest University of Technology and Economics, Budapest, Hungary

Co-ordinating Editor(s): Gyetvainé Balogh, Ágnes, Budapest University of Technology and Economics, Budapest, Hungary

Editorial Board

International Editorial Board

Department of History of Architecture and of Monuments
Name of the Institute: Budapest University of Technology and Economics
Address: Műegyetem rkp. 3, K II. 82, 1111 Budapest, Hungary
Phone: (36 1) 463 1330

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2023  
Scopus  
CiteScore 0.2
CiteScore rank Q3 (Visual Arts and Performing Arts)
SNIP 0.458
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SJR index 0.16
SJR Q rank Q2

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Építés - Építészettudomány
Language English
Hungarian
Size B5
Year of
Foundation		 1957
Volumes
per Year		 1
Issues
per Year		 4
Founder Magyar Tudományos Akadémia  
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0013-9661 (Print)
ISSN 1588-2764 (Online)

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