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Posted By: kondapalli Member Level: Gold Posted Date: 07 May 2008
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2007 Jawaharlal Nehru Technological University B.Tech Civil Engineering STRUCTURAL ENGINEERING DESIGN AND DRAWING-I(RCC) setno1 Question paper
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1. Design the Flexural Reinforcement for the Rectangular concrete Beam of size 250
mm ×400mm simply supported an two marmarry walls 230mm thick and 6m apart.
The Beam has to carry in addition to its own weight, a distributed live load of
10kN/m, dead load of 5 kN/m and a concentrated dead load of 30kN placed at
the mid span point. Assume that the Beam in subjected to moderate exposure
conditions and grade of steel Fe 415 used.
Draw suitable scale longitudinal section and cross section of the Beam
2. Design a plain concrete footing for a column 300mm × 30mm carrying an axial
load of 330 kN. Assume an allowable soil bearing pressure of 360 kN/m2 at a depth
of 1.0m below ground. AssumeM20 concrete and Fe 415 steel.
Draw to scale showing
(a) Plan of the footing
(b) Nominal Reinforcement in sectional elevation
PART-B (Marks:16x3=48)
3. (a) Explain bulking of sand and its practical significance.
(b) Describe the procedure for Bulking of sand.
4. What is meant by limit state? Discuss the different limit states to be considered
in reinforced concrete design.
5. Design a rectangular beam section 300 X 550 mm subjected to an ultimate twisting
moment of 25 kN.m, combined with an ultimate bending moment of 60 kN.m and
an ultimate shear force of 50 kN. Assume M 20 concrete and Fe 415 steel.
6. Design an axially loaded tied column 400mm x 400mm pinned at both ends with
an unsupported length of 3m for carrying a factored load of 2300KN use M20 grade
concrete and Fe 415 steel.
7. Design a roof slab 3.5m x 4m, simply supported on all four sides if the live load is
1.5kN/m2. Take M - 20 grade concrete and Fe 415 grade steel.
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