The beam is loaded uniform deadload of 42 kN/m (including its own weight), and a uniform live load of 48 kN/m. Concrete strength fc' = 21 MPa and steel yield strength fy = 415 MPa, concrete cover is 65 mm from the centroid of the bars. Assume El to be constant. 320 mm 540 mm 7m a. What is the uniform factored load on the beam in kN/m? b. What is the vertical reaction (factored) at B in KN? c. What is the maximum nominal moment can the beam carry if it is to be design as singly reinforced, in kN.m? d. What is the required tension steel area in mm2, at point of maximum positive moment? e. What is the required tension steel area in mm2, at point of maximum negative

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The beam is loaded uniform deadload of
42 kN/m (including its own weight), and a
uniform live load of 48 kN/m. Concrete
strength fc' = 21 MPa and steel yield
strength fy = 415 MPa, concrete cover is
65 mm from the centroid of the bars.
Assume El to be constant.
320 mm
540 mm
7m
2m
a. What is the uniform factored load on
the beam in kN/m?
b. What is the vertical reaction (factored)
at B in KN?
c. What is the maximum nominal moment
can the beam carry if it is to be design as
singly reinforced, in kN.m?
d. What is the required tension steel area
in mm2, at point of maximum positive
moment?
e. What is the required tension steel area
in mm2, at point of maximum negative
moment?
f. Using simplified calculation, calculate
the nominal shear strength provided by
concrete near the fixed end, in KN?
g. Using 10 mm W-stirrups with fyh = 275
MPa, what is the required stirrup spacing
near the fixed end?
Transcribed Image Text:The beam is loaded uniform deadload of 42 kN/m (including its own weight), and a uniform live load of 48 kN/m. Concrete strength fc' = 21 MPa and steel yield strength fy = 415 MPa, concrete cover is 65 mm from the centroid of the bars. Assume El to be constant. 320 mm 540 mm 7m 2m a. What is the uniform factored load on the beam in kN/m? b. What is the vertical reaction (factored) at B in KN? c. What is the maximum nominal moment can the beam carry if it is to be design as singly reinforced, in kN.m? d. What is the required tension steel area in mm2, at point of maximum positive moment? e. What is the required tension steel area in mm2, at point of maximum negative moment? f. Using simplified calculation, calculate the nominal shear strength provided by concrete near the fixed end, in KN? g. Using 10 mm W-stirrups with fyh = 275 MPa, what is the required stirrup spacing near the fixed end?
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