|Table of Contents|

Super Finite Element Analysis for Two-way Voided Slabs with Paralleled Circle-tubes(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2007年02期
Page:
68-73
Research Field:
Publishing date:
2007-06-20

Info

Title:
Super Finite Element Analysis for Two-way Voided Slabs with Paralleled Circle-tubes
Author(s):
ZHOU Chao-yang;  OUYANG Zhu-zi;  LI Ming
School of Civil Engineering and Architecture, Central South University, Changsha 410075, Hunan, China
Keywords:
super finite element;  two-way voided slab with paralleled circle-tube;  simplified analysis;  transition matrix
PACS:
TU378.5
DOI:
-
Abstract:
The two-way voided slabs with paralleled circle-tubes were increasingly applied in the floors of house building. Analyses of such slabs by the regular finite element method(FEM)were extremely time-consuming and sometimes could not work out solution if personal computer was used. The basic principle and method of super finite element had been adopted for analysis of such voided slabs structure so as to simplify calculation. Eight-node flat shell element with the effect of transversal shear deformation was selected as super-element and 3-D eight-node isoparametric solid element as sub-element. Their displacement modes and displacement transition matrix were presented and the relevant computing program was compiled. Voided slabs cases with different spans, length ratios and boundary conditions were computed by using super FEM and regular FEM respectively. Comparison between results of deflection from two methods shows that the super FEM is simple and practical.

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Last Update: 2007-06-20