A simply supported beam (L = 14-ft) is laterally braced only at the ends (see diagram). The 40-kip load is a service live load. Use Fy = 50 ksi and determine whether a W12x50 is adequate. Use both LRFD and ASD to check its adequacy. Hints: Check footnotes to verify if compact or not (no need to manually calculate). Use the AISC design-aid tables to determine Lp and Lr (i.e. don’t need to manually determine these). Look up Cb from a table, no need to manually calculate.
A simply supported beam (L = 14-ft) is laterally braced only at the ends (see diagram). The 40-kip load is a service live load. Use Fy = 50 ksi and determine whether a W12x50 is adequate. Use both LRFD and ASD to check its adequacy. Hints: Check footnotes to verify if compact or not (no need to manually calculate). Use the AISC design-aid tables to determine Lp and Lr (i.e. don’t need to manually determine these). Look up Cb from a table, no need to manually calculate.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A simply supported beam (L = 14-ft) is laterally braced only at the ends (see diagram). The
40-kip load is a service live load. Use Fy = 50 ksi and determine whether a W12x50 is adequate. Use
both LRFD and ASD to check its adequacy. Hints: Check footnotes to verify if compact or not (no need
to manually calculate). Use the AISC design-aid tables to determine Lp and Lr (i.e. don’t need to
manually determine these). Look up Cb from a table, no need to manually calculate.
Transcribed Image Text:ーブー
40k
+
14'-
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