A 250mm by 400mm rectangular beam is reinforced with 3-20 mm diameter bars, f’c=35 MPa, fy=345 MPa, diameter of stirrups=10mm, and concrete cover=40mm. Calculate the actual reinforcement ratio in the beam. q. 0.01109 r. 0.01556 s. 0.01337 t. 0.01224
1. A 250mm by 400mm rectangular beam is reinforced with 3-20 mm diameter bars,
f’c=35 MPa, fy=345 MPa, diameter of stirrups=10mm, and concrete cover=40mm.
Calculate the actual reinforcement ratio in the beam.
q. 0.01109
r. 0.01556
s. 0.01337
t. 0.01224
2. A 250mm by 400mm rectangular beam is reinforced with 3-20 mm diameter bars,
f’c=35 MPa, fy=345 MPa, diameter of stirrups=10mm, and concrete cover=40mm.
Calculate the ultimate moment capacity of the beam.
q. 103.44 kN.m
r. 98.85 kN.m
s. 105.55 kN.m
t. 93.10 kN.m
3. A 250mm by 300mm rectangular beam is reinforced with 6-20 mm diameter bars
arranged in two layers with 3 bars per layer, f’c=21 MPa, fy=415 MPa, diameter of
stirrups=10mm, and concrete cover=40mm. Calculate the effective depth of the beam.
a. 240 mm
b. 235 mm
c. 217.5 mm
d. 215 mm
4. A 250mm by 300mm rectangular beam is reinforced with 6-20 mm diameter bars
arranged in two layers with 3 bars per layer, f’c=21 MPa, fy=415 MPa, diameter of
stirrups=10mm, and concrete cover=40mm. Calculate the actual reinforcement ratio
of the beam.
a. 0.03467
b. 0.03142
c. 0.03208
d. 0.03507
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
