الفهرس 
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Abstract
The use of steel beam-column connections is inhernet in every
structural steel building frame. One of the most common types of
connections in steel building frame is the rigid corner connection.
Although the general principles on which the design of rigid joints
is based, are fairly well established, the details of the connecti
on offer considerable scope for investigation. However, the cost of
fabricated steel construction is controlled to a large extent by the connections. Thus, simplicity of connection details may have a
great influence on the total economy of the structure than would a
reduction in weight of the main members.
The stress distributions in rigid frame corner connection have
been investigated in many researchs. But the local buckling of the
web, as well as the connection details, have been the subject of
fewer researchs. While extensive investigations have been carried
out on frame corner connection having an inner curved flange, fewer
were dealt with the sharp cornered type. The most common feature of
stiffener is to prevent premature failure due to lateral buckling
of web. But the effect of its presence in the stress distribution
in the connection, was approximatly ignored.