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AICTE India Civil Engineering Model Question Papers : All India Council for Technical Education

Name of the Instution : All India Council for Technical Education
Class : Undergraduate Programs
Document Type : Model Question Papers
Paper : Civil Engineering
Year : 2018
Website : https://www.aicte-india.org/education/model-syllabus

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AICTE Civil Engineering Model Question Papers

Download Civil Engineering Model Question Papers For Undergraduate Program from the All India Council for Technical Education website. The model question papers are suggestive blueprints.

Related : Karnataka Power Corporation Junior Engineers Civil Model Question Paper : www.pdfquestion.in/26118.html

The primary aim of these question papers is to bring clarity about the process of connecting questions to performance indicators and hence to course outcomes.

Advanced Geotechnical Engineering

Total Duration (H:M):3:00
Maximum Marks :100

1a You are appointed as site engineer and have been tasked to carry out site investigations for an earth dam construction site. Describe the investigation procedure and discuss what information is required for the preparation and presentation of the report.

1b A standard penetration test was carried out at a site. The soil profile is given in figure 1(b) below with the penetration values. The average soil data are given for each layer. Compute the corrected values of Nand plot showing the variation of observed and corrected values with depth.

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1c The unit weight of a soil of a 30° slope is 17.5kN/m3. The shear parameters c and ? for the soil are 10 kN/m2 and 20° respectively. Given that the height of the slope is 12 m and the stability number obtained from the charts for the given slope and angle of internal friction is 0.025, compute the factor of safety.

2a For the retaining wall shown in figure 2(a), draw the active earth pressure distribution diagram and obtain total active force on the wall.

2b A retaining wall 4.5 m high with a vertical back supports a horizontal fill weighing 18.60 kN/m3 and having ? = 32°, d = 20°, and c = 0. Determine the total active thrust on the wall by Culmann’s graphical method.

3a A canal having side slope 1:1 is proposed to be constructed in cohesive soils to a depth of 4.5m below the ground surface. The soil properties are a given below; ?u=15?, cu=10kN/m2. e=1.0 G=2.65. find the factor of safety with respect to cohesion against failure of bank slopes;
i) When the canal is full of water and.
ii) When there is sudden draw down of water in canal.

3b Determine the depth at which a circular footing 2m diameter be founded to provide a factor of safety of 3.0. If it has to carry a safe load of 1500 kN. The foundation soil has c=15 kN/m2, ?=30? and unit weight of soil ?=18kN/m3.

3c A large scale bearing capacity test on a footing of size 1.05mX1.05m at a depth of 1.5m yielded an ultimate value of 141 kN. Unconfined compressive tests on the soft saturated clay yielded a strength of 0.03 N/mm2. If the unit weight of the soil is 16 kN/m3, how much does the test value differ from that obtained using Terzaghi’s bearing capacity equation?

4a Design a pile foundation system in 20 m thick soft clay with undrained cohesion of 60kPa, density of 18kN/m3 and water content of 30%. The clay layer is underlined by hard rock. The pile foundation should carry a load of 6500 kN. Take liquid limit=60%, G=2.7.

4b A soil profile at a site consists of 4.0m of medium sand with dry unit weight of 17 kN/m3, underlain by a normally consolidated layer of 2.0m thick clay. The initial void ratio of clay is 1.0 its saturated unit weight is 20 kN/m3 and its liquid limit is 50%. The ground water table is at the top of the clay layer. A square footing 2m x 2m is founded at a depth of 1.0 m below the GL at the site. The load on the footing is 1200 kN. Calculate the settlement of footing due to consolidation of the clay layer.

5a Check the reinforced earth wall shown in figure 5(a) for stability against a) sliding b) over turning and c) bearing failure. Although BC is a rough face, assume it to be smooth.

Construction Project Management

1 Analyze the given drawing to determine the scope of work and sequence the activities in order of their construction.

2 There is an immediate need for the construction of a small concrete bridge between two villages before the monsoon season arrives, as an assistant engineer in the PWD, your preceding officer has asked to create a third-level WBS accounting for all the major milestones to be achieved to aid the estimation process.

3 The following data is for a construction of a commercial complex which your company is about to build. The activities, durations and the interdependencies were finalized in the planning meeting. Analyze and determine the earliest duration to execute the project. Also, determine if there are additional days, other than the planned durations for the non-critical activities.

4 Develop a detailed safety protocol in accordance with SP 70 (Handbook on Construction safety practices) for the following projects:
i. Residential Apartment Complex
ii. Highway Construction

5 An electrical sub-station is to be built on a 7 acres of land. The following is the scope of work to be completed by your company. The project is to be completed in 4 months.
i. Clearing of vegetation on site, which includes trees, shrubs and grass.
ii. Removing of top 1 meter soil and hauling it off to a dump site located 8 KMs from the worksite.
iii. Compacting the natural ground for 94 % Proctor Density.
iv. Placing of aggregates to the specified level as mentioned in the drawing.
v. Compacting the placed aggregates for Modified Proctor Density of 98 %.
vi. Excavating for 85 piers of specified diameter.
vii. Placing Concrete in the piers.
viii. Asphalt of 6 inches over the aggregate base for the entire sub-station.

Advanced Project Management

1 The following is the planned crew and quantity for the excavation activity. he scheduled work days is 6 days. The planned quantity is 3000 Cubic meters. Determine the planned total cost and unit cost for this activity.

2 A typical small house construction project consists of the following operations along with the time set for its completion.
At present the data date is Friday, 11-12-2018.
i. Determine the total duration of the project. State any assumptions you make.
ii. Compile PV (Planned Value), EV (Earned Value) and AC (Actual Cost) from the data provided.
iii. Analyze the status of the project (using EVA) and create a status report. Comment on the forecast of the project.

3a A project consists of 8 activities from A to F. The following is the progress report sent to you from the field after 2 months. The project was planned to be completed till activity D after 2 months. Analyse the project. Also comment on the status of each individual activity in terms of profit/loss.

4a There is a call for tender for construction of stadium in your city, only few reputed private construction companies have been asked to participate in the tender by the governing body, your company is one of them. Your boss asks you to prepare the necessary document which is required for the tendering work for the construction of stadium.
4b Discuss the different type of bidding models

5 Your company has just won a bid to construct an electrical sub-station over 5 acres of land which is covered with vegetation. The major activities of the project are site clearance, surveying, subgrade base, piers and bolts, control room, asphalt base, painting and clean-up. Evaluate the project and list all risks that could occur on this project. List the mitigation techniques to be placed to counter the identified risks.

Design of RCC Structures

1(a) What are the different limit states of design? What are the merits of limit state design over other philosophies?
1(b) A RC beam 200mm wide and 500mm deep is reinforced with 3nos of 16mm dia bars. Find moment of resistance of beam. Effective span is 5m. If effective cover is 40mm find safe working load as well as super imposed load. Use M25 grade concrete and Fe500 grade steel.

2(a) Derive the stress block parameters for compressive force Cu and Tensile force Tu using limit state method of design.
2(b) A singly reinforced rectangular section of breadth 200mm and effective depth 400mm is made up of concrete of M20 grade and steel of Fe500 grade. Find out following 1. Calculate maximum moment of resistance that a given section can offer and also what is corresponding area of steel.

2. Find moment of resistance and area of steel if depth of N.A. is restricted to 0.3d.
3 A Room is having clear dimensions of 3m x 6m. The superimposed live load on slab is 10 kN/m2, at service state. The slab is simply supported on all the four sides on a wall of 300mm thickness. The corners are held down. Decide whether the slab is designed as one way slab or two way slab giving proper justifications. Design the slab using M-20 grade of
concrete and Fe-415 grade of steel. Sketch the reinforcement details.

4 A rectangular beam of effective span 6m needs to be designed. The superimposed load on the beam is 50kN/m. The c/s size of the beam is restricted to 300mmX600mm by the architect. List out different types of beams that can be provided under these circumstances. Design the beam which gives you optimal solution.

5(a) State and explain the basic assumptions made for design of columns under axial compression and uniaxial bending.
5(b) Design a rectangular R.C. footing for an R.C. column 230 mm x 450 mm carrying an axial load of 1500 kN. The S.B.C. of the soil is 150 kN/m2. Sketch the reinforcement details.

Environmental Engineering

1(a) Predict the population of the city in the year2040 and also estimate the design demands of the water supply scheme. The census report is as follows:
Census Year Population
1960 31500
1970 37800
1980 51700
1990 57400
2000 59200
2010 67500
Assume that the city is rapidly advancing.

1(b) Discuss the impact of human activities on environment
1 ( c) Discuss the criteria for selection of an indicator organisms 0 4

2 (a) For the water supply of a small town, water is required to be pumped from a tube well to an overhead tank. Work out the capacity of the pump. The data are given as below.
Daily demand of water 750 m3
Hours of pumping 8
Water table below ground level 8 m
Height of the tank above ground level 14 m
Loss of head in the pump and rising main 1.75 m

2 (b) Enumerate the impurities in ground water which should be taken into account in deciding the potability of a sample. State the effects when they exceed the prescribed BIS limits.

3 (a) Design Clari-flocculation units to treat 15 MLD of water.

3(b) For the water supply of a small rural town with daily requirements of 225 m3 of water, it is proposed to construct a distribution reservoir. The pattern of draw off is as follows The pumping is done at a constant rate of 8 hours/day (8am- 4 pm). Determine the total capacity of service reservoir .The population of the town is 50,000.

4(a) Design a combined outfall sewer running 70 % full at maximum flow of sewage for a city having catchment area of 200 hectare, rainfall intensity20 mm/hr all of which is runoff. Projected population of the city is 4 lakh. Water to the city is supplied from the water works at a rate of 250 lpcd. The sewer is to be laid at a slope of 1 in 450. Take N= 0.013.

4(b) The following observation was made on a 3% dilution of sewage.
5(a) Design ASP to treat settled sewage of 10 MLD having a BOD of 180 mg/l ,it is desired to produce a filter effluent having a BOD 20 mg/l 12

5(b) A city discharges 1500l/s of sewage into a stream whose minimum rate of flow is 6000l/s. The 5 day BOD for sewage is 200 mg/l and that of river is 1 mg/l .The DO content of stream is 90 % of the saturation DO.If the minimum DO to be maintained in the stream is 4.5 mg/l, determine the degree of sewage treatment required. Assume KD= 0.1/day and KR= 0.3/day.

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