Jawaharlal Nehru Technological University, Hyderabad B. Tech II Semester Regular Examinations, April/May 2009 (Civil Engineering), Advanced Structural Concrete and Steel Design (Set 1) model question papers

Posted Date: 03 Jul 2009      Posted By:: Dr.Sanjeev(Sandy)    Member Level: Gold  Points: 5 (₹ 1)

# 2009 Jawaharlal Nehru Technological University, Hyderabad B.Tech Civil Engineering B. Tech II Semester Regular Examinations, April/May 2009 (Civil Engineering), Advanced Structural Concrete and Steel Design (Set 1) Question paper

 Course: B.Tech Civil Engineering University/board: Jawaharlal Nehru Technological University, Hyderabad

1. a) Explain advantages and limitations of flat slabs
b) Explain design principles of flat slabs.

2. A column 350mm×350mm in section stand on a pile cap supported on three piles. The
column is situated at centroid of the pile group. The total load transferred to the pile cap
is 650 KN. The piles are 1.25 m center to center. Design the pile cap.

3. A cantilever retaining wall is retaining earth to a height of 4.5 subjected to a
superimposed load of 25 KN/m2. The top surface is horizontal behind the wall. Density
of soil is 17KN/m3 and angle of internal friction is 27o. The bearing capacity of soil is
200 KN/ m2. The coefficient of friction between base and soil is 0.55. Design a
cantilever retaining wall using M20 concrete and Fe 415 steel.

4. Design the roof dome, top ring beam and cylindrical wall for the intze tank shown in
figure.

5. (a) Explain general features of a Chimney
(b) With neat sketches describe various parts of an RC Chimney
(c) What are the advantages and limitations of Chimney?

6. (a) Explain various types of reinforced concrete bridges with neat sketches.
(b) Derive expression for economical span of the bridge

7. Design a gantry girder for an industrial building to carry an electric overhead traveling
crane with the following data. Crane capacity is 250 KN. Weight of crane excluding
crab is 160 KN. Weight of crab is 6 KN. Span of crane between rails is 20 m. Minimum
hook approach is 1.0 m. Wheel base is 3.0 m. Span of gantry girder is 8 m. Weight of
rail section is 30 kg/m. Height of rail section is 75mm.

8. (a) Explain Design Considerations of Multistoried buildings
(b) Discuss effect of Wind and Earth quake forces on multistoried buildings and how
the effect is incorporated in analysis and design of the building.

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