Question 2: In question 1, if the beam height (h) is changed to 550mm. Also, the beam reinforcement is changed to 8-25M on two layers (4-25M each layer). f=25MPa, fy=400MPa. Max aggregate size is 20mm. Minimum spacing between bars is 35mm Determine.... a) Beam effective depth (d) b) Calculate reinforcing ratio (p) c) The depth of the equivalent rectangular stress block (a), and location of neutral axis (c). d) Check the failure mode of the beam using strain compatibility diagram e) Calculate M, (Moment of resistance) in kN.m f) Calculate balanced reinforcing ratio (pb). Confirm your finding in item "d" by comparing current reinforcement ratio to balanced reinforcement ratio.
Question 2: In question 1, if the beam height (h) is changed to 550mm. Also, the beam reinforcement is changed to 8-25M on two layers (4-25M each layer). f=25MPa, fy=400MPa. Max aggregate size is 20mm. Minimum spacing between bars is 35mm Determine.... a) Beam effective depth (d) b) Calculate reinforcing ratio (p) c) The depth of the equivalent rectangular stress block (a), and location of neutral axis (c). d) Check the failure mode of the beam using strain compatibility diagram e) Calculate M, (Moment of resistance) in kN.m f) Calculate balanced reinforcing ratio (pb). Confirm your finding in item "d" by comparing current reinforcement ratio to balanced reinforcement ratio.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Question 1:
F
350mm
10M Stirrups
2 - 20M
2-25M+1-20M
850mm
Question 2:
In question 1, if the beam height (h) is changed to 550mm. Also, the beam reinforcement is
changed to 8-25M on two layers (4-25M each layer). f =25MPa, fy=400MPa. Max aggregate size
is 20mm. Minimum spacing between bars is 35mm
Determine...
a) Beam effective depth (d)
b) Calculate reinforcing ratio (p)
c) The depth of the equivalent rectangular stress block (a), and location of neutral axis (c).
d) Check the failure mode of the beam using strain compatibility diagram
e) Calculate M, (Moment of resistance) in kN.m
f) Calculate balanced reinforcing ratio (pb). Confirm your finding in item "d" by comparing
current reinforcement ratio to balanced reinforcement ratio.
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