الفهرس 
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Abstract
This thesis investigates the stability of Multi-Bay
Steel Frames having semi-rigid beam-column connections under
static loads.
An introduction to the semi-rigid connection principle
and its application is followed by a review of previous research
concerning semi-rigid connections.
Using matrix analysis of structures, a computer program
is prepared. Considering variables such as frame dimensions,
the type of column bases, the relative inertia between beams
and columns and the breadth to height ratio of the opening
the critical buckling load factor is obtained for Three-Bay
Rectangular Frames, Multi-Bay Pitched roof Frames and Three-
Bay Saw-Tooth Frames.
The plots of critical buckling load factor Pcr/PE
against Rigidi ty Ratio of beam-column connection RRc are
presented.
Moreover, the effect of different parameters are
studied and most of the results are tabulated.
Based on results, many conclusions are presented in the
end of this thesis.