THE EFFECT OF BEAMS STIFFNESSES ON THE LOAD DISTRIBUTION IN A SINGLE SIMPLY SUPPORTED TWO-WAY RIBBED SLAB
Abstract
SAP2000 program is used to analyze single simply supported twoway
ribbed slab models from 5 x 5m to 5 x 25m, supported on beams of
different stiffnesses. This paper concentrates on the distribution of the loads
to the perimeter beams and to the ribs in both directions.
The discussion of results showed that the distribution of moments along the
parallel ribs in the short and long direction depends, in addition to the aspect
ratio, on the relative stiffnesses of the slab (ribs) and the beams on which
these ribs are supported. Also, the distribution of loads to the perimeter
beams depends on the relative stiffness between the beams and the slab (ribs)
in addition to the panel aspect ratio.
Tables and curves that relate the load distribution factors with the aspect ratio
and the relative stiffnesses of the supporting beams are presented as an
outcome of this study.
ribbed slab models from 5 x 5m to 5 x 25m, supported on beams of
different stiffnesses. This paper concentrates on the distribution of the loads
to the perimeter beams and to the ribs in both directions.
The discussion of results showed that the distribution of moments along the
parallel ribs in the short and long direction depends, in addition to the aspect
ratio, on the relative stiffnesses of the slab (ribs) and the beams on which
these ribs are supported. Also, the distribution of loads to the perimeter
beams depends on the relative stiffness between the beams and the slab (ribs)
in addition to the panel aspect ratio.
Tables and curves that relate the load distribution factors with the aspect ratio
and the relative stiffnesses of the supporting beams are presented as an
outcome of this study.
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