Results of experiments on seated beam connections

Abstract

Seated beam connections have been used for many years. The new AISC LFRD Specification includes the new equation (K1-5) which checks the beam web for crippling or buckling. In this paper, the term buckling is defined to mean a vertical crimping or crippling of the web due to the application of a concentrated load on the flange. This paper summarizes LRFD beam web capacities according to Eq. (K1-5) and a 3- 1/2 in. bearing length. This paper also summarizes some of the results of this experimental program.