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Structural Engineering and Mechanics
  Volume 6, Number 4, June 1998 , pages 427-437

Stiffness values and static analysis of flat plate structures
Unluoglu E

    Flat plate constructions are structural systems which are directly placed on columns without any beams. Various solution methods have been introduced for the solution of flat plate structures under horizontal and vertical loads. In most of these solution methods, models comprising of one column and one plate have been studied. In other solutions, however, co-behavior of two reciprocal columns has been investigated. In this study, interrelations of all the columns on one storey have been examined. At the end of the study structure consisting of nine columns and four plates has been chosen as a model. Then unit moment has been successively applied to each of these columns and unit moments carried over the other columns have been found. By working out solutions far plates and columns varying in ratio, carry-over factors have been found and these factors given in tables. In addition, fixed-end moment factors on the columns arising due to vertical load were also calculated. Then citing slope-deflection equations to which these results could be applied, some examples of moment and horizontal equilibrium equations have been given.
Key Words
    flat plate, equivalent frame
Unluoglu E, Univ Osmangazi, Dept Civil Engn, Eskisehir, Turkey
Univ Osmangazi, Dept Civil Engn, Eskisehir, Turkey

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