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[88800] Artykuł:

The Impact of Node Location Imperfections on the Reliability of Single-Layer Steel Domes

(Wpływ niedoskonałości lokalizacji węzłów na niezawodność jednowarstwowych kopuł stalowych.)
Czasopismo: Applied Sciences - Basel   Tom: 9, Zeszyt: 2742, Strony: 1-16
ISSN:  2076-3417
Opublikowano: Lipiec 2019
Liczba arkuszy wydawniczych:  1.00
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3		 Grupa
przynależności		 Dyscyplina
naukowa		 Procent
udziału		 Liczba
punktów
do oceny pracownika		 Liczba
punktów wg
kryteriów ewaluacji
Paweł Zabojszcza orcid logo WBiAKatedra Mechaniki, Konstrukcji Metalowych i Metod Komputerowych *Niezaliczony do "N"Inżynieria lądowa, geodezja i transport5050.0050.00  
Urszula Radoń orcid logo WBiAKatedra Mechaniki, Konstrukcji Metalowych i Metod Komputerowych *Takzaliczony do "N"Inżynieria lądowa, geodezja i transport5050.0050.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 100

Pełny tekstPełny tekst     DOI LogoDOI    
Keywords:

single-layer lattice domes  reliability index  elasticity index  first-order reliability method 


Abstract:

This study is an attempt to assess the effect of node location imperfections on the reliability dome. The analysis concerns a single-layer steel lattice dome that is very sensitive to node snap-through. The load-displacement path of the structure was determined using the program, Finite Element Method-Krata. To determine the failure probability, reliability index, and elasticity index, the first-order reliability method approximation method was employed. The reliability analysis was conducted with Numpress Explore software, developed at the Institute of Fundamental Technological Research of the Polish Academy of Sciences, Warsaw. In this paper, it is shown how large differences in the assessment of the safety of a structure can appear when we incorrectly estimate the standard deviation of the random variable responsible for the imperfections of node locations.


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