1
GATE CE 2012
MCQ (Single Correct Answer)
+2
-0.6
The cross-section at mid-span of a beam at the edge of a slab is shown in the sketch. $$A$$ portion of the slab is considered as the effective flange width for the beam. The grades of concrete and reinforcing steel are $$M25$$ and $$Fe415,$$ respectively. The total area of reinforcing bars $$\left( {{A_{st}}} \right),$$ is $$\,4000\,\,m{m^2}.$$ At the ultimate limit state, $${x_u}$$ denotes the depth of the neutral axis from the top fibre. Treat the section as under-reinforced and flanged $$\left( {{x_u} > 100\,\,mm} \right).$$ GATE CE 2012 Reinforced Cement Concrete - Flanged Beams Question 4 English

The value of $${{x_u}}$$ (in $$mm$$) computed per the Limit State Method of $$IS$$ $$456:2000$$ is

A
$$200.0$$
B
$$223.3$$
C
$$236.3$$
D
$$273.6$$
2
GATE CE 2012
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is categorized as a long-term loss of prestress in a prestressed concrete member?
A
Loss due to elastic shortening
B
Loss due to friction
C
Loss due to relaxation of strands
D
Loss due to anchorage slip
3
GATE CE 2012
MCQ (Single Correct Answer)
+2
-0.6
A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the tendon is measured from the centroid of the cross-section. The applied prestressing force at service is $$1620$$ $$kN.$$ The uniformly distributed load of $$45$$ $$kN/m$$ includes the self-weight. The stress (in $$N/m{m^2}$$) in the bottom fibre at mid-span is GATE CE 2012 Reinforced Cement Concrete - Prestressed Concrete Question 9 English
A
tensile $$2.90$$
B
compressive $$2.90$$
C
tensile $$4.32$$
D
compressive $$4.32$$
4
GATE CE 2012
MCQ (Single Correct Answer)
+1
-0.3
In a steel plate with bolted connections, the rupture of the net section is a mode of failure under
A
tension
B
compression
C
flexure
D
shear
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