A special BEM for elastostatic analysis of building floor slabs on columns |
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Authors: | Luttgardes de Oliveira Neto |
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Affiliation: | a Department of Civil Engineering, University of Engineering--UNESP, Av. Eng. Luiz E. C. Coube, s/n C.P. 473, 17033-360 Bauru, SP, Brazil b Department of Engineering of Structures, School of Engineering of São Carlos--USP, Av. Dr. Carlos Botelho 1465, 13560-250 São Carlos, SP, Brazil |
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Abstract: | This work presents a boundary element formulation for the analysis of building floor slabs, without beams, in which columns are coupled with the plate. An alternative formulation of boundary element method is presented, which considers three nodal displacements values (w, ∂w/∂n and ∂w/∂s) for the nodes at the boundary of the plate. In this formulation three boundary equations are written for all nodes at the boundary and in the domain of the plate. As the nodes of the column-plate connections are also represented by three nodal values, all these structural elements can be easily coupled. It is supposed that the cross-sections of the columns remain flat after the deflection and consequently the assumption of linear variation of the stress in the plate-column contact surface is also valid. |
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Keywords: | Boundary element method Plate bending Interaction plate-columns Building slabs |
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