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College : Vardhaman College Of Engineering
Degree : B.Tech
Department : Civil Engineering
Semester : V
Subject :Design Of Reinforced Concrete Structure
Document type : Question Paper
Website : vardhaman.org

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Dec. 2013 : https://www.pdfquestion.in/uploads/vardhaman.org/6363-BT5R11-DEC13.pdf
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Vardhaman Concrete Structure Question Paper

Four Year B. Tech V Semester Supplementary Examinations June – 2014
(Civil Engineering)
Date : 10 June, 2014 FN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks

Related / Similar Question Paper :
Vardhaman College B.Tech Mechanisms & Mechanical Design Question Paper

All parts of the question must be answered in one place only

Unit – I

1. a) Explain briefly about characteristic strength of concrete. What are the assumptions made in the design of limit state? 9M
b) Explain balanced section and under-reinforced section as per L.S.M? 6M
2. a) Draw stress-strain curve of steel bars with and without definite yield point and indicate the yield stress fy of them. 10M
b) Define characteristic strength fck of concrete and also design strength of concrete as per L.S.M? 5M

Unit – II

3. a) Derive an expression for developmental length of bars in tension? 7M
b) Determine the moment of resistance of an existing beam having the following data:
b = 350 mm, d = 900 mm, d’ = 50 mm; Tension reinforcement: 5-20 mm HYSD bars (Fe415); compression reinforcement 2-20 mm HYSD bars (Fe415). Grade of concrete: M15. 8M

4. A reinforced concrete beam of M 20 grade concrete, 300 mm wide and 500 mm deep is required to resist a super-imposed moment of 152kN-m at an intermediate support of a continuous beam. Using mild steel bars, calculate Ast at top, if 4 number of 16 mm dia bars are required to be continued at bottom from one span to the other. Assume effective cover to compression steel as 45 mm and that to the tension steel as 50 mm. 15M

Unit – III

5. a) Explain the detailed procedure of flexural design of Beam? 10M
b) Explain with neat sketch anchorage, developmental Length of reinforcing steel? 5M
6. a) Explain continuous slab? 3M
b) Draw the typical cross section and plan of continuous slab showing the reinforcement details. 12M

Unit – IV

7. Design the longitudinal and lateral reinforcement in a rectangular reinforced concrete column of size 300mmX400mm; subjected to a design ultimate load of 1200KN and an ultimate moment of 200KN-m with respect to the major axis. Adopt M20 grade concrete and Fe 415 grade HYSD bars. Sketch the details of reinforcement. 15M

8. A reinforced concrete column 400mmX400mm supports an axial service of 1000KN. The safe bearing capacity of the soil at site is 200KN/m2. Adopting M20 grade concrete and Fe415 HYSD bars design a suitable footing for the column and sketch the details of reinforcement. 15M

Unit – V

9. Design a simply supported RCC slab for an office floor having clear dimensions of 4mX10m with 230mm thick walls all-round. Adopt M20 grade concrete and Fe 415 grade HYSD bars. Sketch the details of reinforcement. 15M
10. Design an RCC slab for a room of size 4mX5m with discontinuous and simply supported edges on all the sides with corners prevented from lifting to support a live load of 4KN/m2. Adopt M20 grade concrete and Fe 415 HYSD bars. Sketch the details of reinforcement. 15M

B. Tech V Semester Regular Examinations, December – 2013 :
Regulations: VCE-R11
Design Of Reinforced Concrete Structure :
(Civil Engineering)
Date : 3 December, 2013
Time : 3 Hours
Max. Marks : 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
Unit – 1 :
1. a) Write the principles of limit state of design. List the different limit states and explain.7M
b) Define effective cover, effective span, total tension and total compression. 8M
2. a) Explain the necessity of partial safety factor in the limit state of design and mention the codal provision for materials and loads. 7M
b) Define moment of resistance, neutral axis, lever arm and clear cover for a beam section. 8M

Unit – 2 :
3. a) Draw a standard T section with usual notations labelling its parts and codal requirements. 5M
b) A reinforced concrete beam has width equal to 300 mm and total depth equal to 700 mm, with a cover of 40 mm to the centre of the reinforcement. Design the beam if it is subjected to a total bending moment of 150 kN-m. Use M 20 concrete and HYSD bars of grade 415. 10M

4. a) List the circumstances under which doubly reinforced section is provided. 3M
b) A reinforced concrete beam 250 mm wide and 400 mm effective depth is subjected to ultimate design shear force of 150 kN at the critical section near supports. The tensile reinforcement at the section near supports is 0.5 percent. Design the shear stirrups near the supports. Also, design the minimum shear reinforcement at the mid span. Assume concrete of grade M 20 and mild steel bars of Fe 250 grade.Span of beam is 4.5m. 12M

Unit – 3 :
5. A reinforced concrete beam of rectangular section 300mm wide is reinforced with four bars of 25mm diameter at an effective depth of 600mm. The beam has to resist a factored shear force of 400KN at support section. Adopt M25 concrete and Fe 415 steel and design vertical stirrups for the section. Sketch the details of reinforcement. 15M
6. Design a simply reinforced concrete beam to suit the following data: clear span = 3m; width of support = 200mm; live load = 6KN/m; M20 grade concrete; Fe 415 HYSD bars. Sketch the details of reinforcement. 15M

Unit – 4 :
7. a) Define the terms effective length, pedestal, column and wall and classify the columns based on types of reinforcement. 5M
b)Design the reinforcement in a column of size 400mmX600mm subjected to a axial load of 2000KN under service load and live load. The column has an unsupported length of 3m and effectively held in position and restrained against rotation at both ends. Use M25 concrete and Fe 415 steel. Sketch the details of reinforcement. 10M