SITUATION: A cantilever RC beam with an l-section has the following dimensions: Width of flanges = 250mm, Total depth = 500mm, Thickness of flanges = 110mm, Thickness of web = 110mm The beam is 2.5m long and carries a uniform dead load of 10 KN/m (including self-weight) and a concentrated live load of 30 KN at the free end. (Round-off the modular ratio to the nearest integral value.) Use: fe = 21 MPa, fy = 278 MPa, Ag = 2500 mm? (singly-reinforced), Steel cover = 55 mm, Use concrete density = 24 kN/m? (when solving the steel ratio, use b= ba) 1. Determine the Cracked Moment of Inertia. 1963.96 x 10 mm в 1912.24 x 10° mm 1988.93 x 10 mm 1922.93 x 10 mm D 2. Determine the Cracking Moment. A 27.865 kN-m 26.685 kN-m 25.685 kN-m 24,865 kN-m 3. Determine the Effective Moment Inertia. 1970.05 x 10 mm B 1921 24 x 10 mm C. 1912.24 x 10 mm D 1928.24 x 10 mm 4. Determine Immediate Defiection 2.34 mm 4.83 mm 3.24 mm 1.35 mm

SITUATION: A cantilever RC beam with an l-section has the following dimensions: Width of flanges = 250mm, Total depth = 500mm, Thickness of flanges = 110mm, Thickness of web = 110mm The beam is 2.5m long and carries a uniform dead load of 10 KN/m (including self-weight) and a concentrated live load of 30 KN at the free end. (Round-off the modular ratio to the nearest integral value.) Use: fe = 21 MPa, fy = 278 MPa, Ag = 2500 mm? (singly-reinforced), Steel cover = 55 mm, Use concrete density = 24 kN/m? (when solving the steel ratio, use b= ba) 1. Determine the Cracked Moment of Inertia. 1963.96 x 10 mm в 1912.24 x 10° mm 1988.93 x 10 mm 1922.93 x 10 mm D 2. Determine the Cracking Moment. A 27.865 kN-m 26.685 kN-m 25.685 kN-m 24,865 kN-m 3. Determine the Effective Moment Inertia. 1970.05 x 10 mm B 1921 24 x 10 mm C. 1912.24 x 10 mm D 1928.24 x 10 mm 4. Determine Immediate Defiection 2.34 mm 4.83 mm 3.24 mm 1.35 mm

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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