5. For the beam and properties shown: Ec 4,030 ksi f=6ksi fy=60 ksi h-12" fr=530 psi...
5. For the beam and properties shown: Ec 4,030 ksi f=6ksi fy=60 ksi h-12" fr=530 psi E,-29,000 ksi 4-# 11 y = 150 pcf 2.5" b-18" Find: .Cracking moment based on gross section properties (10 pts) a b. Service moment corresponding to 0.45 fe, 0.4f, (10 pts) Nominal Flexural Strength (use Whitney Stress block) (10 pts) c. d. Does this beam satisfy ACI 9.6.1? (10 pts) e. If B 0.75, is the beam closest to a tension controlled or compression controlled section? Compare As.prov and As.min and discuss if this makes sense. (20 pts) Does the beam have adequate design strength to support a uniform live load of WLL 0.8k/ft over simply supported span of I-30ft? Use the basic load combination (wu= 1.2waw +1.6wL) and Mmax Wu P/8 (20 pts) f.
5. For the beam and properties shown: Ec 4,030 ksi f=6ksi fy=60 ksi h-12" fr=530 psi E,-29,000 ksi 4-# 11 y = 150 pcf 2.5" b-18" Find: .Cracking moment based on gross section properties (10 pts) a b. Service moment corresponding to 0.45 fe, 0.4f, (10 pts) Nominal Flexural Strength (use Whitney Stress block) (10 pts) c. d. Does this beam satisfy ACI 9.6.1? (10 pts) e. If B 0.75, is the beam closest to a tension controlled or compression controlled section? Compare As.prov and As.min and discuss if this makes sense. (20 pts) Does the beam have adequate design strength to support a uniform live load of WLL 0.8k/ft over simply supported span of I-30ft? Use the basic load combination (wu= 1.2waw +1.6wL) and Mmax Wu P/8 (20 pts) f.