Dynamic Properties of Concrete Composite Panels under Eccentric Compression Loading Tests

• Autorzy: Magalhaes M. , Silva R. M.

Identyfikatory

DOI

10.1515/aoa-2015-0019

• Języki publikacji: EN

Abstrakty

EN

The main aim of this paper is to examine the variability of some dynamic properties of concrete composite panels to in-plane eccentric compression loads via static and dynamic impact testing. First, experimental tests were performed in order to obtain the dynamic and static properties of concrete composite panels. In-plane eccentric loads were statically applied to a couple of panels in ten uniform steps. For each step, dynamic impact testing was performed and the modal damping, peak amplitude and natural frequencies obtained. Second, a ‘hybrid’ model, based on the concepts of modal analysis and the Finite Element Method, was developed in order to obtain the natural frequencies and corresponding normal modes of the composite panels within the frequency range 0–200 Hz. For this model, an initial warp of the panel middle surface was incorporated into the formulation in order to represent the applied flexural moment provoked by the eccentric in-plane loads. The accuracy of the ‘hybrid’ model was verified by comparison with the experimental results. Third, comparison is made between predictions (using on the ‘hybrid’ model) and experimental results.

Słowa kluczowe

EN

dynamic analysis; composite panels; in-plane loading; pre-stressed panels

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2015
• Tom: Vol. 40, No. 2
• Strony: 169--181
• Opis fizyczny: Bibliogr. 16 poz., rys., tab., wykr., fot.

Twórcy

autor

Magalhaes M.

• DEES – Department of Structural Engineering, Federal University of Minas Gerais, Av. Antonio Carlos, 6627, Campus Pampulha, Belo Horizonte 31270901, Brazil

autor

Silva R. M.

• DEES – Department of Structural Engineering, Federal University of Minas Gerais, Av. Antonio Carlos, 6627, Campus Pampulha, Belo Horizonte 31270901, Brazil

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