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|Description:||A total of 10 clip angles were tested individually under cyclic and monotonic loads. The component tests consisted of clip angles cut from 2 angle sizes. Within each of these different series, parameters such as bolt grade, diameter, gage, and spacing, were systematically varied to study the effects of prying on the tension flange and bearing on the stem.
The clip angles were fabricated from L8 x 8 x 1 angles that were cut down to form L6 x 8 x 1 and L4 x 8 x 1 sections. Fabricating the angles down from a single section allowed comparisons to be made between the geometric characteristics while holding material properties constant. The width of the angles was 8 in for all angles tested. This is consistent with Section 9, Volume II of the LRFD (AISC, 1994). The upstanding legs of the clip angles were not tapered.
Various configurations of 7/8” and 1" diameter A325 and A490 bolts were used. The single series of clip angles were further divided into groups based on bolt diameter. Because of limitations of the test set-up, the beam set back was increased from the standard ½ in to 1-7/8 in for clip angles using 7/8” diameter bolts and 1-1/2 in for clip angles using 1” diameter bolts.
See Tables 4-5 and 4-6 in the James Swanson Dissertation in the documentation to understand the setup of each group.
The components were subjected to axial loads based on expected beam flange forces in actual connections. The axial loading is a simplification of the actual conditions, since both localized bending and shear forces present in the actual connection were missing in the component tests.
|Dates:||June 28, 1998 - August 31, 1999|
|Facility:||Georgia Institute of Technology, GA, United States|
|Specimen Type:||Bolted Clip Angle Connection|
Material Properties (2010)
Clip Angles (view)
Tension Bolts (view)
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