Journal Paper

Paper Information

Journal: امیرکبیر
Year:1383 | Volume:15 | Issue:ج-59
Start Page:103 | End Page:114

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Information Journal Paper

Title

ANALYSING AND DESIGN OF HIGH STRENGTH CONCRETE (HSC) BOX COLUMNS AND THEIR INTERACTION DIAGRAMS

Writers

MAGHSOUDI A.A. | SIENAIE A.

Pages

 Start Page 103 | End Page 114

Abstract

 For the analysing purpose of the High Strength Concrete (HSC) box columns first, by two methods (i); by solving the governing differential equations of a thin-wall concrete section which act similar to an orthotropical plate and (ii), by the strain energy method the critical load of orthotropical plate was calculated. Then, by investigation, it was concluded that the LOCAL BUCKLING is not an important aspect for the ratios of h/a> 0.06 ( the ratio of thickness to , the larger dimensions, of the section) and therefore the sections failure will be occurred while the load is reached io its ultimate capacity i.e.,prior to the LOCAL BUCKLING.a simple and easy method was adapted to analyse and design the HSC box columns then, by use of this method and a computer program written (MATLAB Package)the INTERACTION DIAGRAMS of such sections were plotted. Now, with availability of the setype of diagrams, the non-dimensional diagrams were plotted too. Based on the nondimentional diagrams it was concluded that, by availability of only one type of these diagrams, for example, the INTERACTION DIAGRAMS for solid sections having HSC and applying the ratio of Ah/a (the ratio of area of box section to that of the solid section) to its INTERACTION DIAGRAMS, the axial load and bending capacity of box sections can be determined quite easily.

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