"Q1.19-.A rectangular beam has dimensions of 270 mm by 640 mm with an effective depth of 571 mm and is reinforced with 4- 28 mm ø. Concrete cover is 69 mm. The concrete cylinder strength f’c = 28.8 MPa and the tensile strength in bending is the modulus of rupture. The yield point of the steel is 416.3 MPa. The beam carries a bending moment of 57 kN-m. Use transformed section method to answer the following: (1) Compute the concrete compression stress at the top, (2) Compute the concrete tension stress at the bottom, (3) Compute the stress in the steel. (4) Assess the adequacy of the beam design." width, beffective depth, dtotal depth, h "Q1.19-.A rectangular beam has dimensions of 270 mm by 640 mm with an effective depth of 571 mm and is reinforced with 4- 28mm ø. Concrete cover is 69 mm. The concrete cylinder strength f'c = 28.8 MPa and the tensile strength in bending is the modulus ofrupture. The yield point of the steel is 416.3 MPa. The beam carries a bending moment of 57 kN-m. Use transformed sectionmethod to answer the following: (1) Compute the concrete compression stress at the top, (2) Compute the concrete tension stressat the bottom, (3) Compute the stress in the steel. (4) Assess the adequacy of the beam design."

Answer We are given Width b = 270 mm Overall depth h =640 mm Effective depth d = 571 mm Steel = 4…

"Q1.19-.A rectangular beam has dimensions of 270 mm by 640 mm with an effective depth of 571 mm and is reinforced with 4- 28 mm ø. Concrete cover is 69 mm. The concrete cylinder strength f’c = 28.8 MPa and the tensile strength in bending is the modulus of rupture. The yield point of the steel is 416.3 MPa. The beam carries a bending moment of 57 kN-m. Use transformed section method to answer the following: (1) Compute the concrete compression stress at the top, (2) Compute the concrete tension stress at the bottom, (3) Compute the stress in the steel. (4) Assess the adequacy of the beam design."

"Q1.19-.A rectangular beam has dimensions of 270 mm by 640 mm with an effective depth of 571 mm and is reinforced with 4- 28 mm ø. Concrete cover is 69 mm. The concrete cylinder strength f’c = 28.8 MPa and the tensile strength in bending is the modulus of rupture. The yield point of the steel is 416.3 MPa. The beam carries a bending moment of 57 kN-m. Use transformed section method to answer the following: (1) Compute the concrete compression stress at the top, (2) Compute the concrete tension stress at the bottom, (3) Compute the stress in the steel. (4) Assess the adequacy of the beam design."

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.1.3P

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