English
Język Polski
Badania numeryczne belek zespolonych stalowo-drewnianych z dźwigarami zimnogiętymi o przekroju w kształcie litery omega, część 1: belki bez modyfikacji
DOI:
https://doi.org/10.24425/ace.2025.155116Abstrakt
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.Bibliografia
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