1
GATE CE 1997
Numerical
+2
-0
A simply supported beam of a beam and slab system, rests on a support of width $$450$$ $$mm.$$ The clear span of the beam is $$10.0$$ $$m.$$ The thickness of the slab is $$120$$ $$mm.$$ The depth of the beam below the slab is $$480$$ $$mm$$ and the width of the beam is $$250$$ $$mm.$$ The beam is reinforced with one row of $$32$$ $$mm$$ diameter steel rods. The total load including the super imposed dead load, live load and its own weight is $$25.0$$ $$kN/m$$ at service stage. Compute the maximum nominal design shear stress in the concrete _______________
Your input ____
2
GATE CE 1997
Subjective
+2
-0
Design a square $$R.C$$ column to resist an axial load of $$400$$ $$kN$$ due to dead load and $$240$$ $$kN$$ due to live load at service stage. Design the section as a short axially loaded column. Use $$M25$$ concrete and steel of grade $$415$$ $$N/m{m^2}.$$ Give a near sketch of the cross section.
3
GATE CE 1997
MCQ (Single Correct Answer)
+2
-0.6
A prestressed concrete rectangular beam of size $$300\,\,mm \times 900\,\,mm$$ is prestressed with an intial prestressing force of $$700$$ $$kN$$ at an eccentricity of $$350$$ $$mm$$ at midspan. Stress at top due to prestress alone, in $$N/m{m^2}$$ is
A
$$-3.46$$ (tension)
B
$$2.59$$ (compression)
C
zero
D
$$8.64$$ (compression)
4
GATE CE 1997
MCQ (Single Correct Answer)
+1
-0.3
Factor of safety adopted by IS: 800-1984 while arriving at the permissible stress in axial compression is
A
2.00
B
1.00
C
1.67
D
1.50
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