If the girder shown is continuously laterally supported at the compression flang
ID: 1920246 • Letter: I
Question
If the girder shown is continuously laterally supported at the compression flange, what is the
maximum wu that AISC will permit?
HW5 (2).pdf - Adobe Reader File Edit View Window Help 1 | / 1 |-+ | 75% Tools Comment The 40'- 0" girder below is a W21x48, A992, connected to the column with simple connections and supports a factored, uniform load, w 40-0" 14-6" 11-0" FACTORED UNIFORM LOAD, Wu 1. If the girder shown is continuously laterally supported at the compression flange, what is the maximum wu that AiSC will permit? Use the AISC Specifications (Chapter F and G). Check all failure limit states 2. 2. If the girder shown is laterally supported at the 14'-6" points as noted, what is the maximum w that AlSC will permit? Use the AISC Specifications (Chapter Fand G). Check all failure limit states. 10:01 AM 3/26/2014Explanation / Answer
10.9 Lateral Bracing at Members Ends Supported on Base Plates
The ends of beams and girders (and trusses) supported on base plates must be restrained against rotation about their longitudinal axes, as assumed by the General Provisions, Section F1(2) of the AISC Specification.