Numerical investigation of steel-timber composite beams with cold-formed omega girders, part 1: non-modified beams

• Autorzy: Chybiński Marcin , Derlatka Anna , Szewczyk Piotr , Lacki Piotr , Abramowicz Małgorzata , Polus Łukasz

Identyfikatory

DOI

10.24425/ace.2025.155116

Warianty tytułu

PL

Badania numeryczne belek zespolonych stalowo-drewnianych z dźwigarami zimnogiętymi o przekroju w kształcie litery omega, część 1: belki bez modyfikacji

• Języki publikacji: EN

Abstrakty

EN

This paper presents a preliminary evaluation of the load-bearing capacity of steel-timber composite beams with cold-formed omega girders and laminated veneer lumber slabs. These structural elements may be used as ceiling beams. The finite element models of the analysed composite beams were created in ADINA and Abaqus. The theoretical estimations of the resistance to bending were based on the elastic analysis (elastic resistance to bending) and the rigid-plastic theory (plastic resistance to bending). The elastic load-bearing capacity obtained in the numerical simulation in ADINA was identical to the one from the theoretical analysis. The elastic load-bearing capacity from the numerical analysis in Abaqus was 1.02 times higher than the one from the theoretical analysis. The plastic bending resistance obtained from the theoretical analysis was 1.08 times higher than the one from the numerical simulation in ADINA and 1.03 times higher than the one from the numerical simulation in Abaqus. In part 2 of the paper, a modification to the cross-section and a reinforcing method were proposed.

PL

Artykuł przedstawia wstępną analizę nośności belek zespolonych stalowo-drewnianych z dźwigarami zimnogiętymi o przekroju w kształcie litery omega oraz z płytami z drewna klejonego warstwowo z fornirów. Elementy te mogą być wykorzystywane jako belki stropowe. Modele numeryczne analizowanych belek zespolonych zostały wykonane w programach ADINA oraz Abaqus. Teoretyczna nośność na zginanie w zakresie sprężystym została wyznaczona na podstawie analizy sprężystej, a teoretyczna nośność na zginanie w zakresie plastycznym została obliczona na podstawie analizy sztywno-plastycznej. Nośność na zginanie w zakresie sprężystym wyznaczona na podstawie analizy numerycznej w programie ADINA była taka sama jak nośność teoretyczna, a nośność na zginanie w zakresie sprężystym wyznaczona w programie Abaqus była 1,02 razy większa niż nośność otrzymana na podstawie analizy teoretycznej. Nośność na zginanie w zakresie plastycznym otrzymana z analizy teoretycznej była 1,08 razy większa niż nośność otrzymana na podstawie symulacji w programie ADINA oraz 1,03 razy większa niż nośność z analizy numerycznej w programie Abaqus. W 2 części pracy zaproponowano modyfikację przekroju belki oraz sposób jej wzmacniania.

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2025
• Tom: Vol. 71, nr 3
• Strony: 523--537
• Opis fizyczny: Bibliogr. 40 poz., il., tab.

Twórcy

autor

Chybiński Marcin

• Poznan University of Technology, Faculty of Civil and Transport Engineering, Institute of Building Engineering, Poznan, Poland

• https://orcid.org/0000-0003-2539-7764

autor

Derlatka Anna

• Czestochowa University of Technology, Department of Civil Engineering, Czestochowa, Poland

• https://orcid.org/0000-0002-6509-2706

autor

Szewczyk Piotr

• West Pomeranian University of Technology in Szczecin, Faculty of Civil and Environmental Engineering, Szczecin, Poland

• https://orcid.org/0000-0002-2707-5630

autor

Lacki Piotr

• Czestochowa University of Technology, Department of Civil Engineering, Czestochowa, Poland

• https://orcid.org/0000-0002-0787-8890

autor

Abramowicz Małgorzata

• West Pomeranian University of Technology in Szczecin, Faculty of Civil and Environmental Engineering, Szczecin, Poland

• https://orcid.org/0000-0002-4533-6953

autor

Polus Łukasz

• Poznan University of Technology, Faculty of Civil and Transport Engineering, Institute of Building Engineering, Poznan, Poland

• https://orcid.org/0000-0002-1005-9239

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