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2026
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Research paper
Calculation and modeling of structures
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Research paper Calculation and modeling of structures

ANALIZA AEROELASTIČNOG FENOMENA ODVAJANJA VRTLOGA KOD REFLEKTORSKOG STUBA PRIMENOM EVROKODA 1

By
Milica Živković Orcid logo ,
Milica Živković
Contact Milica Živković

University of Belgrade - Faculty of Civil Engineering , Belgrade , Serbia

Anina Glumac ,
Anina Glumac

University of Belgrade - Faculty of Civil Engineering , Belgrade , Serbia

Miroslav Marjanović
Miroslav Marjanović

University of Belgrade - Faculty of Civil Engineering , Belgrade , Serbia

Abstract

Kod vitkih konstrukcija, odvajanje vrtloga izaziva oscilacije upravne na pravac strujanja vetra. U ovom radu izvršen je proračun maksimalnih amplituda poprečnih oscilacija primenom Pristupa 1 Priloga E Evrokoda 1-4 (SRPS EN 1991-1-4), na primeru reflektorskog stuba visine 39.3 metra u fazi izgradnje, bez reflektorske opreme. Rezultati pokazuju da se kritične brzine vetra javljaju u domenu brzina nižem od karakterističnih srednjih brzina na lokaciji. Sračunate su maksimalne amplitude pomeranja za prvi i drugi ton oscilovanja. S obzirom na to da je Prilog E, Evrokoda 1991-1-4 informativnog karaktera i nije obavezan za primenu, ovaj rad demonstrira njegovu praktičnu važnost.

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