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A reinforced concrete beam has a width of 300 mm and an effective depth of 500 mm with the centroid of tension and compression bars located 70 mm from the bottom of the beam. The compression and tension reinforcements of the beam are 4-20mm∅ and 8-25mm∅ . Use fy =345 MPa and fc'= 30 MPa.   Which of the ff. nearly gives the depth of compression block in mm. a. 167.14 b.135.67 c. 126.85 d. 144.87 e. 189.52 Which of the ff. most nearly gives the compressive force of the compression steel in kN. a. 389 b. 400 c. 415 d. 434 e. 455 Which of the ff. gives the ultimate moment capacity of the beam. a. 486 b. 498 c. 512 d. 521 e. 536

A reinforced concrete beam has a width of 300 mm and an effective depth of 500 mm with the centroid of tension and compression bars located 70 mm from the bottom of the beam. The compression and tension reinforcements of the beam are 4-20mm∅ and 8-25mm∅ . Use fy =345 MPa and fc'= 30 MPa.   Which of the ff. nearly gives the depth of compression block in mm. a. 167.14 b.135.67 c. 126.85 d. 144.87 e. 189.52 Which of the ff. most nearly gives the compressive force of the compression steel in kN. a. 389 b. 400 c. 415 d. 434 e. 455 Which of the ff. gives the ultimate moment capacity of the beam. a. 486 b. 498 c. 512 d. 521 e. 536

Structural Analysis
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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A reinforced concrete beam has a width of 300 mm and an effective depth of 500 mm with the centroid of tension and compression bars located 70 mm from the bottom of the beam. The compression and tension reinforcements of the beam are 4-20mm∅ and 8-25mm∅ . Use fy =345 MPa and fc'= 30 MPa.

 

Which of the ff. nearly gives the depth of compression block in mm.

a. 167.14

b.135.67

c. 126.85

d. 144.87

e. 189.52

Which of the ff. most nearly gives the compressive force of the compression steel in kN.

a. 389

b. 400

c. 415

d. 434

e. 455

Which of the ff. gives the ultimate moment capacity of the beam.

a. 486

b. 498

c. 512

d. 521

e. 536

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