Cracked Beam
Mostrando 13-15 de 15 artigos, teses e dissertações.
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13. Analise dinamica, numerica e experimental de uma viga trincada / Experimental and numeric dynamic analysis of cracked beam
This investigation describes a beam finite element with crack in central region, for the numerical analysis of the dynamic behavior for any crack length. The element simulates the dynamic behavior of a rectangular section beam with three degree of freedom per node and includes the shear effects and plastic zone at crack tip. The model was implemented in MATL
Publicado em: 2005
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14. Análise dinâmica experimental da rigidez de elementos de concreto submetidos à danificação progressiva até a ruptura / Dynamic experimental analysis of concrete elements stiffness subjected to progressive damage
Structural integrity assessment may be performed by experimental modal analysis. The dynamic tests provide natural frequencies values whose changes may be used to identify existent damage and to estimate the equivalent stiffness of cracked elements. Nowadays more researches about dynamic effects on civil structures are becoming available. Among all aspects r
Publicado em: 2005
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15. Contribuição ao estudo da instabilidade lateral de vigas pré-moldadas / On the lateral stability of precast concrete beams
The lateral stability of long and slender precast concrete beams requires great attention. In particular, it is important to ensure the stability of these members during transitory phases like tilting and transport, and also when the deformability of temporary supports is taken into account. The state of the art of the problem of lateral stability in precast
Publicado em: 2002