Structural integrity analysis of the pre-stressed concrete dome of the Belgrade fair hall 1

被引：0

作者：

Jelic, Mirjana ^{[1
]}

Sedmak, Aleksandar ^{[2
,3
]}

Folic, Boris ^{[4
]}

Sedmak, Simon ^{[4
]}

Arandjelovi, Mihajlo ^{[4
]}

Foli, Radomir ^{[5
]}

Radu, Dorin ^{[3
]}

机构：

[1] Intellectual Property Off Republic Serbia, Kneginje Ljubice 5, Belgrade 11000, Serbia

[2] Univ Belgrade, Fac Mech Engn Belgrade, Kraljice Marije 16, Belgrade 11000, Romania

[3] Univ Brasov, Fac Civil Engn, Turnului 5, Brasov 500152, Romania

[4] Innovat Ctr, Fac Mech Engn, Kraljice Marije 16, Belgrade 11120, Serbia

[5] Univ Novi Sad, Fac Tech Sci, Novi Sad, Serbia

来源：

FRATTURA ED INTEGRITA STRUTTURALE-FRACTURE AND STRUCTURAL INTEGRITY | 2024年 / 18卷 / 67期

关键词：

Belgrade fair hall 1; Structural integrity; Pre-stressed concrete; Numerical simulation; SIMULATION; SHELL;

D O I：

10.3221/IGF-ESIS.67.24

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Belgrade fair hall 1 is well known for its dome, which is still the world largest self-supported construction made of pre-stressed concrete, with its diameter of 106 m. In this paper the Finite Element Method (FEM) was performed to analyze different loading and supporting conditions. At the same time, crack growth in a support column was simulated by the extended FEM (XFEM). Results of numerical calculations indicate ingenious design of such a complex structure which was based on “hand” calculation decades ago, without computers. In addition to classical engineering and more advanced numerical calculations, risk based analysis was performed taking into account artificially introduced crack and Failure Analysis Diagram, obtained using stress intensity factor and net stress, as well as fracture toughness and critical stress. This analysis, made for the first time for Belgrade fair hall 1, proved that its structural integrity is jeopardized only when a crack reaches half the thickness of a steel bar. © 2024, Gruppo Italiano Frattura. All rights reserved.

引用

页码：337 / 351

页数：15

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