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SLOWIK, O. LEHKÝ, D. ŠOMODÍKOVÁ, M. NOVÁK, D.
Originální název
Post-Tensioned Composite Bridge: Reliability-Based Optimization of Selected Design Parameters
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
angličtina
Originální abstrakt
In the paper small-sample double-loop optimization method is employed to find selected design parameters of a single-span post-tensioned composite bridge to ensure its reliability and load-bearing capacity. The selected approach consists in nesting the computation of the failure probability with respect to the current design within the optimization loop. The analyzed bridge is made of precast post-tensioned concrete girders, each composed of six segments that are connected by the transverse joints. Bridge spatial deterioration brings uncertainty into actual values of concrete strength in transversal joints and of actual loss of pre-stressing. Due to their significant effect on the bridge load-bearing capacity, both were considered as uncertain design parameters with the aim to find their critical values corresponding to desired reliability level and load-bearing capacity.
Klíčová slova
reliability based optimization, double-loop method, small-sample simulation, failure probability, reliability index, load-bearing capacity
Autoři
SLOWIK, O.; LEHKÝ, D.; ŠOMODÍKOVÁ, M.; NOVÁK, D.
Vydáno
6. 1. 2016
Místo
Switzerland
ISBN
978-3-03835-538-0
Kniha
Trends in Statics and Dynamics of Constructions II
ISSN
1662-7482
Periodikum
Applied Mechanics and Materials
Ročník
2016
Číslo
837
Stát
Švýcarská konfederace
Strany od
38
Strany do
43
Strany počet
6
BibTex
@inproceedings{BUT124241, author="Ondřej {Slowik} and David {Lehký} and Martina {Sadílková Šomodíková} and Drahomír {Novák}", title="Post-Tensioned Composite Bridge: Reliability-Based Optimization of Selected Design Parameters", booktitle="Trends in Statics and Dynamics of Constructions II", year="2016", journal="Applied Mechanics and Materials", volume="2016", number="837", pages="38--43", address="Switzerland", isbn="978-3-03835-538-0", issn="1662-7482" }