Civil EngineeringThe section of a beam near a column is given below. Area of the topreinforcement is 800 mm2 and bottom reinforcement is 300 mm2. Is the sectionunder or over-reinforced if the balanced reinforcement ratio is po =0,0209?bw = 200mmd= 300mmbwa) O Under-reinforced since 800 mm2 < A.b) O Under-reinforced since 300 mm2 < Ahc) O Under-reinforced since 800-300 mm² < Asbd) O Over-reinforced since 800-300 mm2 > Asbe)Over-reinforced since 300 mm2 > AsbWhat is the distance of the neutral axis c from the top of the beam, ifthe top portion of the beam is in compression. Concrete is C30, longitudinalsteel bars are o16 and made of B420C steel. Use design strengths incomputation. b = 800 mm, d = 500mm, hFor C30 concrete k = 0.82.your= 100 mm, b,= 300 mm. Hint:a)53 mmb) O 46 mmc) O 20 mm32 mm26 mm

The given cross section a doubly reinforced cross section and balanced reinforcement ratio is given.…

The section of a beam near a column is given below. Area of the top reinforcement is 800 mm2 and bottom reinforcement is 300 mm2. Is the section under or over-reinforced if the balanced reinforcement ratio is po =0,0209? bu 200mm d = 300mm %3D %3D bw a) Under-reinforced since 800 mm2 < Ab b) Under-reinforced since 300 mm2 < Ab Under-reinforced since 800-300 mm2 < Ab d) Over-reinforced since 800-300 mm2 > Asb O Over-reinforced since 300 mm2 > Ab

The section of a beam near a column is given below. Area of the top reinforcement is 800 mm2 and bottom reinforcement is 300 mm2. Is the section under or over-reinforced if the balanced reinforcement ratio is po =0,0209? bu 200mm d = 300mm %3D %3D bw a) Under-reinforced since 800 mm2 < Ab b) Under-reinforced since 300 mm2 < Ab Under-reinforced since 800-300 mm2 < Ab d) Over-reinforced since 800-300 mm2 > Asb O Over-reinforced since 300 mm2 > Ab

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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2. Tensile strength of concrete is about: (20-35)% of compressive strength (45-70)% of compressive strength None of the above. Tension controlled section Balanced section Compression-controlled section 4- The reduction factor (0) is equal to 0.9 if the: Es 2 Ety + 0.003 Es S Ety + 0.003 Es Ety 5- The design method which use the factored loads is - Working stress method - Ultimate design Method - None of above 6- If p< Po therefore the section is - Under reinforced - Over reinforced - None of above