Question: Given a triangular beam, f ' c = 3 4 MPa and f y = 4 1 5 MPa. Determine the following: Depth of compression

Given a triangular beam, f'c=34MPa and fy=
415 MPa. Determine the following:
Depth of compression block
Distance of extreme compression fiber to
the neutral axis C
Ultimate moment capacity of the beam. Mn?
CLASSWORK
Solve the previous problem, but this time the beam is inverted.
Find the Moment Capacity Mn of the beam below.f'c =28 MPa
fy=415MPa.
Given the following data of a rectangular
beam:
Width, b=300mm
Effective depth, d=500mm
Concrete Strength, f'c =27.5 MPa
Steel Strength, fy =415MPa
Service Loads:
Dead Load Moment =60kN-m
Live Load Moment =80kN-m
If necessary, the effective cover to the centroid
of compression steel is 65 mm .
How many 25- mm tension and
compression bars are needed?
Given a triangular beam, f ' c = 3 4 MPa and f y

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