Page 1 of 1 Hall Ticket Number : Code: 5G662 III B.Tech. II Semester Regular & Supplementary Examinations May 2019 Advanced RCC Design ( Civil Engineering ) Max. Marks: 70 Time: 3 Hours Answer all five units by choosing one question from each unit ( 5 x 14 = 70 Marks ) Assume any missing data suitably and mention the same clearly ********* UNIT–I 1. Design the interior panel of a large single-storey warehouse flat slab roof with a panel size of 6 m × 6 m supported by columns of size 500 mm × 500 mm. The height of the columns is 5 m. Take live load as 3.0 kN/m 2 and the weight of finishes including waterproof treatment as 2.5 kN/m 2 . Use M 25 grade concrete and Fe 415 grade steel. Assume mild environment exposure condition. 14M OR 2. Design the grid floor slab for following details. A reinforced concrete grid floor of size 9m x 12m is required for an assembly hall. Assume rib spacing of 1.5m in the short span direction and 2.0 m in the long span direction. Assume M 25 grade concrete and Fe500 grade steel. Assume live load as 3.5 kN/m 2 . 14M UNIT–II 3. Design a Bunker (side walls only) to store the 300KN of Coal for the following data: Unit weight of Coal = 8340 N/m 3 , Angle of repose is 30 0 , Permissible Stress in steel is 230 N/mm 2 and M 20 grade of concrete. 14M OR 4. An R.C Chimney having a mean diameter of 2.5 m is reinforced with 60 bars of 16mm diameter. Assuming an effective wind pressure of 1400 N/m 2 on the projected area, determine the maximum stress in concrete and steel at a section 25.0 m from the top. Density of RCC is 25 kN/m 3 . 14M UNIT–III 5 Design a 4.0 m height Circular Water Tank with flexible base for a capacity of 5,00,000 lit by Approximate method. Use M 25 grade concrete and Fe 500 grade steel. 14M OR 6. Design a R.C Water Tank of internal dimension 12.0 m x 3.5 m x 3.5 m. The tank is to be provided underground. The soil surrounding the tank is likely to get wet. Assume tank is open at top. The density of soil is 18 kN/m 3 , design the tank for empty with surrounding soil being water-logged. Use M 20 grade concrete and Fe 500 grade steel. 14M UNIT–IV 7. Determine the suitable dimension of cantilever retaining wall, which retain earth of 3.0 m height and the backfill is horizontal. The density of soil is 18 kN/m 3 . The SBC of the soil is 180 kN/m 2 . The angle of repose is 30 0 and coefficient of friction between concrete and steel is 0.6. Check the Retaining wall against Stability and Sliding. 14M OR 8. Determine the dimension of a Counterfort Retaining wall required to support earth to a height of 7.0 m above the ground level. The top surface of backfill is horizontal. The SBC of soil is 200 kN/m 2 at a depth of 1.5 m below the ground level. The density of soil is 18kN/m 3 , angle of repose is 30 0 and coefficient of friction between concrete and steel is 0.58. 14M UNIT–V 9. A straight staircase with independent steps cantilevering from the face of the wall has to be designed for a residence. Given data is as follows: Width of flight = 1.2 m, tread = 300 mm, and riser = 150 mm. Use M20 grade concrete and Fe 500 grade steel and assume mild exposure condition. 14M OR 10. Design a staircase consisting of 10 steps having 300 mm tread and 160 mm rise and two landings. The width of the staircase is 1500 mm and the length of each landing is 1200 mm. Assume the imposed load as 5 kN/m 2 and mild exposure condition and use M20 grade concrete and Fe 500 grade steel. 14M ***** R-15
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Page 1 of 1
Hall Ticket Number :
Code: 5G662
III B.Tech. II Semester Regular & Supplementary Examinations May 2019
Advanced RCC Design ( Civil Engineering )
Max. Marks: 70 Time: 3 Hours Answer all five units by choosing one question from each unit ( 5 x 14 = 70 Marks )
Assume any missing data suitably and mention the same clearly
*********
UNIT–I
1. Design the interior panel of a large single-storey warehouse flat slab roof with a panel
size of 6 m × 6 m supported by columns of size 500 mm × 500 mm. The height of the
columns is 5 m. Take live load as 3.0 kN/m2 and the weight of finishes including
waterproof treatment as 2.5 kN/m2. Use M 25 grade concrete and Fe 415 grade steel.
Assume mild environment exposure condition. 14M
OR
2. Design the grid floor slab for following details.
A reinforced concrete grid floor of size 9m x 12m is required for an assembly hall.
Assume rib spacing of 1.5m in the short span direction and 2.0 m in the long span
direction. Assume M 25 grade concrete and Fe500 grade steel. Assume live load as
3.5 kN/m2 . 14M
UNIT–II
3. Design a Bunker (side walls only) to store the 300KN of Coal for the following data:
Unit weight of Coal = 8340 N/m3, Angle of repose is 300, Permissible Stress in steel is
230 N/mm2 and M 20 grade of concrete. 14M
OR
4. An R.C Chimney having a mean diameter of 2.5 m is reinforced with 60 bars of 16mm
diameter. Assuming an effective wind pressure of 1400 N/m2 on the projected area,
determine the maximum stress in concrete and steel at a section 25.0 m from the top.
Density of RCC is 25 kN/m3. 14M
UNIT–III
5 Design a 4.0 m height Circular Water Tank with flexible base for a capacity of 5,00,000 lit
by Approximate method. Use M 25 grade concrete and Fe 500 grade steel. 14M
OR
6. Design a R.C Water Tank of internal dimension 12.0 m x 3.5 m x 3.5 m. The tank is to be
provided underground. The soil surrounding the tank is likely to get wet. Assume tank is
open at top. The density of soil is 18 kN/m3, design the tank for empty with surrounding
soil being water-logged. Use M 20 grade concrete and Fe 500 grade steel. 14M
UNIT–IV
7. Determine the suitable dimension of cantilever retaining wall, which retain earth of 3.0
m height and the backfill is horizontal. The density of soil is 18 kN/m3. The SBC of the
soil is 180 kN/m2. The angle of repose is 300 and coefficient of friction between
concrete and steel is 0.6. Check the Retaining wall against Stability and Sliding. 14M
OR
8. Determine the dimension of a Counterfort Retaining wall required to support earth to a
height of 7.0 m above the ground level. The top surface of backfill is horizontal. The
SBC of soil is 200 kN/m2 at a depth of 1.5 m below the ground level. The density of
soil is 18kN/m3, angle of repose is 300 and coefficient of friction between concrete and
steel is 0.58. 14M
UNIT–V
9. A straight staircase with independent steps cantilevering from the face of the wall has
to be designed for a residence. Given data is as follows:
Width of flight = 1.2 m, tread = 300 mm, and riser = 150 mm. Use M20 grade concrete
and Fe 500 grade steel and assume mild exposure condition. 14M
OR
10. Design a staircase consisting of 10 steps having 300 mm tread and 160 mm rise and
two landings. The width of the staircase is 1500 mm and the length of each landing is
1200 mm. Assume the imposed load as 5 kN/m2 and mild exposure condition and use
M20 grade concrete and Fe 500 grade steel. 14M
*****
R-15
Page 1 of 1
Hall Ticket Number :
Code: 5G669
III B.Tech. II Semester Regular & Supplementary Examinations May 2019
Construction Planning and Project Management ( Civil Engineering)
Max. Marks: 70 Time: 3 Hours Answer all five units by choosing one question from each unit ( 5 x 14 = 70 Marks )
*********
UNIT–I
1. a) Classify various types of lintels and discuss their relative use. 7M
b) What is meant by a terrazzo floor? Describe in detail the laying of such a floor. 7M
OR
2. a) What is meant by conglomerate cement flooring? What are the advantages and
disadvantages of Monolithic type of a floor construction? 7M
b) Give sketches of king post and queen post truss. Compare the two. 7M
UNIT–II
3. a) What are the causes and effects of dampness in a building? State the materials
and methods used for prevention of dampness. 7M
b) What are the materials commonly used for the various constituents of paint?
What are their functions? 7M
OR
4. a) Explain the process of pre-construction anti termite treatment 7M
b) How do you grade buildings according to the fire resistance? 7M
UNIT–III
5. a) What do you understand by the term ‘resource allocation’? 7M
b) Discuss the factors which influence the selection of construction equipment. 7M
OR
6. What are the advantages and disadvantages of a dragline over a power shovel?
Describe the basic parts of a dragline by a sketch. 14M
UNIT–IV
7. a) What is milestone chart? How does it differ from a bar chart? How can milestone
chart be developed into a network? 7M
b) Construct PERT network for the project using the listed events. The events are
not in logical sequence.
Design beam
Order concrete material
Order Timber
Make form-work
Bend reinforcement
Mix design concrete
Place reinforcement
Set mixer
Order Steel
Mix concrete
Cure concrete
Place and compact
Strip off side forms
Strip off bottom form 7M
OR
8. a) What is ‘Gantt bar’ chart? Explain method of preparing a bar chart with the help
of suitable example. 7M
b) What are the various Indian laws related to the labour safety and welfare? 7M
UNIT–V
9. a) Differentiate between earliest expected time and latest allowable occurrence time
of an event. Explain with examples. 7M
b) Explain Fulkerson’s rule for numbering the events in a network. 7M
OR
10. a) PERT calculations yield a project length of 50 weeks, with the variance of 16.
Within how many weeks would you expect the project to be completed with
probability of 95%, 75% and 40%? 7M
b) Discuss various rules for providing the dummies in a network. What are
redundant dummies? 7M
****
R-15
Page 1 of 1
Hall Ticket Number :
Code: 5G665
III B.Tech. II Semester Regular & Supplementary Examinations May 2019