( civil engineering ) max. marks: 70 time: 3 hours all five

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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

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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

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Code: 5G669


Construction Planning and Project Management ( Civil Engineering)


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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

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Code: 5G665


Environmental Engineering-II ( Civil Engineering )


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UNIT–I

1. a) Define air pollution. Classify the air pollutants 7M

b) What is Electrostatic precipitator? Explain its working principle with neat sketches 7M

OR

2. a) Explain the effects of air pollutants on plant and materials 7M

b) What are gaseous pollutants generated from Thermal power plants? Explain their

impacts and control measures. 7M

UNIT–II

3. a) Explain the various methods for volume reduction and strength reduction of

Industrial waste. 7M

b) Explain the various methods of nitrification and denitrifications for industrial waste 7M

OR

4. a) Draw a neat layout of Industrial waste treatment plant. Explain the various theories

involved in Industrial wastewater treatment. 7M

b) Write a critical note on Emission Standards 7M

UNIT–III

5. a) What is meant by 3 R’s Concept? Explain how you use this concept in solid waste

management. 7M

b) What is difference between refuse and Garbage? Explain the typical composition

and properties of Refuse. 7M

OR

6. List the solid waste disposal methods. Explain process of composting of Municipal

solid waste with neat sketches. 14M

UNIT–IV

7. a) What are of impacts of arsenic contamination of groundwater? Explain the various

treatment methods for removal of arsenic. 7M

b) Discuss the impact of Plastic waste. Suggest suitable measures for controlling

plastic waste 7M

OR

8. a) What is difference between fluorosis and dental cavities? Explain the various

methods for removal of fluorides from Ground water 7M

b) How do you control Biomedical waste Generation? Explain the various treatment

methods for handling and separation from Municipal solid waste 7M

UNIT–V

9. Explain the typical features of Environment protection Act 1986 14M

OR

10. State the root causes for Noise pollution. Explain its impacts and control measures 14M

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Code: 5G66A


Finite Element Method for Civil Engineering ( Civil Engineering )


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UNIT–I

1. Justify the need of Discretization of structure. During discretization, mention the places

where it is necessary to place a node? 14M

OR

2. a) Write about plane stress and plane strain condition with examples. 7M

b) Discuss about Rayleigh –Ritz method of functional approximation. 7M

UNIT–II

3. a) What do you mean by shape function? What are the characteristics of shape functions? 7M

b) Give the convergence and compatibility requirements in finite element analysis. 7M

OR

4. For the bar assemblages shown in figure, determine the nodal displacements.

Take Est= 200 GPa, Ast= 4X104 mm2 for steel and EAl =70 GPa, AAl =2X104 mm2 for

aluminum

14M

UNIT–III

5. Generate the element stiffness matrix for 3-noded triangular element. 14M

OR

6. a) Develop the shape functions for 4 – noded rectangular element. 9M

b) Give the importance of strain displacement matrix. 5M

UNIT–IV

7. Define Jacobian matrix and derive Jacobian matrix for 4 noded quadrilateral element. 14M

OR

8. Determine the stiffness matrix for the straight-sided triangular element of thickness t= 1

mm, as shown in Fig.2. Use E = 70 GPa, µ = 0.3 and assume a plane stress condition.

Fig. 2 14M

UNIT–V

9. Explain about the solution techniques for static loads in finite element analysis. 14M

OR

10. Write short notes on numerical integration. 14M

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Code: 5G663


Geo-Technical Engineering ( Civil Engineering )


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UNIT–I

1. a) Draw the phase diagram for soils and derive from fundamentals: es = Gw. 6M

b) (i). What is the practical relevance of density index? Discuss.

(ii). The dry unit weight of a sand sample in the loosest state is 13.34 kN/m3 and in the

densest state, it is 21.19 kN/m3. Determine the density index of this sand when it has a

porosity of 33%. Assume the grain specific gravity as 2.68. 8M

OR

2. a) Write the importance of grain size analysis of soil. Also define the following: (i) coefficient

uniformity (ii) coefficient of curvature and (ii) effective size. 7M

b) A soil sample has a liquid limit of 20% and plastic limit of 12%. Classify the soil

approximately according to Indian Standard Classification for the following sieve analysis

data.

Sieve Size (mm) 2.0 0.425 0.075

% Passing 100 85 38

7M

UNIT–II

3. a) Distinguish between superficial velocity and seepage velocity. Discuss the conditions

necessary for Darcy’s law to be applicable for flow of water through soil? 7M

b) In a constant head permeability test on a fine-grainedsoil the following observations are

noticed. Length of soil specimen = 15cm, diameter of permeameter = 8cm. The diameter of

stand pipe is 0.5cm and time taken for falling of head from one level to the other is 100

seconds. If the ratio of falling had is 2, estimate the coefficient of permeability of soil. 7M

OR

4. a) Derive the expression for coefficient of permeability in the horizontal and vertical direction of

stratified deposits. 6M

b) A permeameter of 8.2 cm diameter contains a sample of soil of length 35 cm. It can be used

either for constant head or falling head tests. The standpipe used for falling head test has a

diameter of 2.5 cm. In the constant head test the loss of head was 116 cm measured on a

length of 25cm when the rate of flow was 2.73 ml/s. Find the coefficient of permeability of

the soil. If a falling head test were then made on the same soil, how much time would be

taken for the head to fall from 150 to 100 cm? 8M

UNIT–III

5. a) Discuss the following: (i) Total stress, (ii). Pore water pressure and (iii) Effective stress with

neat sketches. 6M

b) A reinforced concrete water tank of size 6 m x 6 m and resting on ground surface carries a

uniformly distributed load of 200 kN/m2. Estimate the maximum vertical pressure at a depth

of 12 m vertically below the centre of the base. Use equivalent point load method. 8M

OR

6. a) Discuss the usage of ‘Newmark’s’ influence chart in vertical stress estimation of irregularly

loaded area. 7M

b) An earth dam of 80 m wide is built on an impervious foundation with a horizontal filter at the

base near the toe. The permeability of the soil in the horizontal and vertical directions is 8 x

10-3 mm/s and 2 x 10-3 mm/s respectively. The full reservoir level is 40 m above the filter. A

flow net constructed for the transformed section of the dam, consists of four flow channels

and 12 head drops. Estimate the seepage loss for the entire length of dam. 7M

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Code: 5G663

UNIT–IV

7. a) Discuss in details quality control of compaction by core cutter method. 6M

b) A 2.5cm thick sample of clay was taken from field for predicting the time of settlement for a

proposed building which exerts a uniform pressure of 100 kN/m2 over the clay stratum. The

sample was loaded to 100 kN/m2 and proper drainage was allowed from top and bottom in

the laboratory. It was seen that 50% of the total settlement occurred in 180 seconds. Find

the time required for 50% of the total settlement of the building if it is to stand on 6m thick

layer of clay which extends from ground surface and is underlain by sand. 8M

OR

8. a) Discuss the following:

(i) Compression index and (ii) Effect of drainage on coefficient of consolidation. 7M

b) Write a brief note on the various types of rollers and their effectiveness with respect to

compaction of different soil types. 7M

UNIT–V

9. a) Discuss the strength envelops for cohesive, frictional and cohesive frictional soils in direct

shear test. And also discuss the merits and demerits of direct shear test. 8M

b) A cylindrical specimen of a saturated soil fails under an axial stress of 150 kPa in an

unconfined compression test. The failure plane makes an angle of 520 with the horizontal.

Calculate the cohesion and angle of internal friction of the soil. 6M

OR

10. a) List the laboratory tests for estimating shear parameters of soil. Discuss the importance of

pore pressure parameters in shear strength of soil. 7M

b) A field vane shear test conducted on a deposit of soft alluvial clay showed a torque of 70 N-

m at the time of shear failure. The vane dimensions are; diameter, D = 120 mm, and height,

H = 240 mm. Determine the undrained shear strength of clay for a fully embedded vane

condition and also estimate the sensitivity of clay, if the undrained strength of clay in

remoulded state is 5 kPa. 7M

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Code: 5G664


Transportation Engineering ( Civil Engineering)


********* UNIT–I

1. a) Briefly explain various surveys to be carried out before planning a highway

system for a given area. 7M

b) Briefly explain the main features of various road network patterns used in India. 7M

OR

2. a) The speeds of overtaking and overtaken vehicle on a two way traffic road are

70 kmph and 40 kmph respectively. If the acceleration of overtaking vehicle is

0.99 m/sec2 then calculate the safe overtaking sight distance? 7M

b) Explain the sight distance requirements at the summit and valley curve with

suitable sketches. 7M

UNIT–II

3. a) Explain the term traffic volume. What are the objects of carrying out traffic

volume studies? 7M

b) Explain various applications of origin and destination studies. 7M

OR

4. a) What do you understand by regulatory sign, informatory sign and warning sign?

Briefly explain each with the help of sketch. 7M

b) Differentiate the following with reference of road marking.

(i) Lane marking and Kerb Marking

(ii)Transverse markings and Object marking 7M

UNIT–III

5. a) Explain the different types of grade separated intersections? 7M

b) A rotary intersection has 1,2,3 and 4 four legs. What is the proportion of

weaving traffic to control traffic in the weaving section between legs 2 and 3?

The traffic volume (vij) in terms of PCU per hour are given as

V12 150 V21 310 V31 1520 V41 30

V13 450 V23 200 V32 570 V42 1080

V14 412 V24 1090 V34 240 V43 600

7M

OR

6. a) Briefly explain the elements of a rotary intersection. 7M

b) Briefly explain the general criteria for design an intersection. 7M

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Code: 5G664

UNIT–IV

7. a) Write a short note on Tack coat 3M

b) Explain the CBR method of pavement design. 11M

OR

8. a) Explain the construction steps for wet mix macadam base course. 7M

b) Differentiate between flexible pavement and rigid pavement? Explain with a

neat and labeled sketch? 7M

UNIT–V

9. a) Explain aircraft characteristics and their effects on planning and design of

airport 7M

b) What are the important factors which affect the airport site selection? 7M

OR

10. a) What are the various airport obstructions which are to be considered for safe

air navigation? 7M

b) An airport is proposed at an elevation of 400 m above MSL. The mean of

maximum and mean of average daily temperatures of the hottest month are

420C and 310C respectively. The maximum elevation difference along the

proposed profile of runway is 5 m. If the Basic length of runway is 1600 m.

Determine the actual length of runway to be provided. 7M

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Code: 5G661


Water Resource Engineering-II ( Civil Engineering )


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UNIT–I

1. a) Explain the factors on which the selection of the site for a reservoir depends. 7M

b) Discuss the merits and demerits of various types of dams. 7M

OR

2. a) Explain the various forces acting on a gravity dam. 7M

b) Design the practical profile of a gravity dam of stone masonry, given the following

data:

R.L. of base of dam=1450m R.L. of F.R.L.=1480.5m

Specific gravity of the masonry=2.4 Height of waves=1m.

Safe compressive stress for masonry=1200kN/m2 7M

UNIT–II

3. a) Explain the criteria for safe design of earth dams. 6M

b) Describe with neat sketches the various methods adopted for controlling seepage

through the body of the dam and through the foundation. 8M

OR

4. a) What is a spillway? What are its functions? Explain various types of spillways. 8M

b) Describe with neat sketches (i) Roller gates and (ii) Tainter gates. 6M

UNIT–III

5. a) Sketch the layout of typical diversion headwork and describe the functions of its

various components. 8M

b) What are the causes of failure of weirs on permeable foundation? Give their

remedies. 6M

OR

6. a) Discuss Bligh’s creep theory for the design of weir constructed over pervious

foundation. What are its limitations? 8M

b) Explain Khosla’s method of independent variables. 6M

UNIT–IV

7. a) Define a fall in a canal. Explain the necessity and location of falls. 7M

b) Describe the procedure for designing a straight glacis fall. 7M

OR

8. a) What is a distributary head regulator? What are its functions? Explain. 6M

b) Explain the various types of canal modules with neat sketches. 8M

UNIT–V

9. What are the various types of cross drainage works? Describe with neat sketches. 14M

OR

10. a) Explain the factors which affect the selection of the suitable type of cross drainage

works. 6M

b) Explain the design of a super passage. 8M

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( civil engineering ) max. marks: 70 time: 3 hours all five

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