Finite element model updating of reinforced concrete beams with honeycomb damage

• Autorzy: Ismail Z.
• Języki publikacji: EN

Abstrakty

EN

A method of detecting honeycombing damage in a reinforced concrete beam using the finite element model updating technique was proposed. A control beam and two finite element models representing different severity of damage were constructed using available software and the defect parameters were updated. Analyses were performed on the finite element models to approximate the modal parameters. A datum and a control finite element model to match the datum test beams with honeycombs were prepared. Results from the finite element model were corrected by updating the Young’s modulus and the damage parameters. There was a loss of stiffness of 3% for one case, and a loss of 7% for another. The more severe the damage, the higher the loss of stiffness. There was no significant loss of stiffness by doubling the volume of the honeycombs.

Słowa kluczowe

EN

damage parameter; finite element model; honeycombing; updating; Young's modulus

PL

parametr uszkodzenia; model elementów skończonych; plaster miodu; uaktualnienie; moduł Younga

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2012
• Tom: Vol. 58, nr 2
• Strony: 135--151
• Opis fizyczny: Bibliogr. 46 poz., il.

Twórcy

autor

Ismail Z.

• Civil Engineering Department, University of Malaya Lembah Pantai, Kuala Lumpur, Malaysia

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