Situation: A reinforced concrete beam is to be designed by the Strength Design Method of the Code has a width of 300mm and an effective depth of 520 mm. Use fc' = 21 MPa, fy = 415 MPa and strength reduction factor of 0.90. Use effective cover of 65 mm. Factored moment is 400 kN-m. Neglect displaced are of concrete. Use Pmax= 0.856, (-) (4) Determine the depth of compression block to be used. a. 165.75 b. 156.57 C. 175.76 d. 157.165 Determine the area of compression steel reinforcements (if any). a. 310.178 b. 298.967 C. 123.456 d. Compression steel not needed Determine the area of tension steel reinforcements. a. 229 b. 2138.76 c. 2437.76 d. 2073.76
Situation: A reinforced concrete beam is to be designed by the Strength Design Method of the Code has a width of 300mm and an effective depth of 520 mm. Use fc' = 21 MPa, fy = 415 MPa and strength reduction factor of 0.90. Use effective cover of 65 mm. Factored moment is 400 kN-m. Neglect displaced are of concrete. Use Pmax= 0.856, (-) (4) Determine the depth of compression block to be used. a. 165.75 b. 156.57 C. 175.76 d. 157.165 Determine the area of compression steel reinforcements (if any). a. 310.178 b. 298.967 C. 123.456 d. Compression steel not needed Determine the area of tension steel reinforcements. a. 229 b. 2138.76 c. 2437.76 d. 2073.76
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![Situation:
A reinforced concrete beam is to be designed by the Strength Design Method of the Code has a width of 300mm
and an effective depth of 520 mm. Use fc' = 21 MPa, fy = 415 MPa and strength reduction factor of 0.90. Use
effective cover of 65 mm. Factored moment is 400 kN-m. Neglect displaced are of concrete. Use Pmax=
0.856, (3) (4)
Determine the depth of compression block to be used.
a.
165.75
b. 156.57
C. 175.76
d. 157.165
Determine the area of compression steel reinforcements (if any).
a. 310.178
b. 298.967
C. 123.456
d. Compression steel not needed
Determine the area of tension steel reinforcements.
a. 229
b. 2138.76
C. 2437.76
d. 2073.76](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3b1dfb79-831e-49a1-93f4-4460bf06f21a%2F35625189-6c56-4d52-b980-3563d685159e%2F2wd7k3a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Situation:
A reinforced concrete beam is to be designed by the Strength Design Method of the Code has a width of 300mm
and an effective depth of 520 mm. Use fc' = 21 MPa, fy = 415 MPa and strength reduction factor of 0.90. Use
effective cover of 65 mm. Factored moment is 400 kN-m. Neglect displaced are of concrete. Use Pmax=
0.856, (3) (4)
Determine the depth of compression block to be used.
a.
165.75
b. 156.57
C. 175.76
d. 157.165
Determine the area of compression steel reinforcements (if any).
a. 310.178
b. 298.967
C. 123.456
d. Compression steel not needed
Determine the area of tension steel reinforcements.
a. 229
b. 2138.76
C. 2437.76
d. 2073.76
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