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# KTU B.Tech S4 Previous Questions Civil Engineering

## KTU B.Tech S4 Previous Questions Civil Engineering

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FOURTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2017

Course Code: CE202

Course Name: STRUCTURAL ANALYSIS — I (CE)

Max. Marks: 100                                                                   Duration: 3 Hours

PART A

Answer any TWO questions. 15 marks each.

1.a) Enumerate the methods of analysing a determinate truss and illustrate along with

sketches, the significance of the methods. (7)

b) Using Castigliano’s theorem, determine the deflection under the load. A simply supported beam of span ‘L’ carries a concentrated load P at a distance ‘a’ from left hand support. Assume uniform flexural rigidity. (8)

2. a) Elucidate Maxwell’s theorem of reciprocal deflection and Betti’s theorem. (5)

b) Differentiate static and kinematic indeterminacies with one example each. (5)

c) Demonstrate unit load method as applied to the analysis of a rigid frame. (5)

3. Analyse the in jointed frame and tabulate the results.

PART B

Answer any TWO Questions. 15 marks each.

4. Determine the reaction components in the beam shown using Consistent deformation method. EI is constant throughout.

PART C

Answer Any Two 20 marks each

7. a) Justify that an arch is more economical as compared to SS beam of same span carrying the same load.

b) A 3 hinged parabolic arch has a horizontal span of 36m with a central rise of 5m. A udl of lkN/m acts at right half of the span. Calculate the magnitude and position of maximum positive BM in the arch. Also calculate the BM, NT and RS at left quarter point (14)

8. a) A bridge cable is suspended from towers 80 m apart and carries a load of 30 kN/m on the entire span. If the maximum sag is 8 m. calculate the maximum tension in the cable. If the cable is supported by saddles which are stayed by wires inclined at 30° to the horizontal. determine the forces acting on the towers. If the same inclination of back stay passes over pulley, determine the forces on the towers. Height of the tower Is 10 m. (14)

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