Design of Reinforced Concrete Structures
Model Questions
Unit 5:
1. Design an isolated Rectangular footing for the column of 300mm x 400mm size carrying capacity of 800KN taking safe bearing capacity of the soil as 200KN/m2. Use M20 concrete and Fe 415 steel
2. Design an isolated Square footing for the column of 300mm x 300mm size carrying capacity of 800KN taking safe bearing capacity of the soil as 200KN/m2. Use M20 concrete and Fe 415 steel.
3. Design an isolated Square footing for the column of 300mm dia. carrying capacity of 800KN taking safe bearing capacity of the soil as 200KN/m2. Use M20 concrete and Fe 415 steel
4. Design a combined Rectangular footing for column of 300mm x 300mm size carrying capacity of 500KN and 800KN. Spacing between Columns is 3m. Safe bearing capacity of the soil as 200KN/m2. Width is limited to 1.5m. Use M20 concrete and Fe 415 steel
Unit 6:
1. Design a Square column 300mm x 300mm size to carry a factored axial load of 800 KN and 80KN-M moment. Use M20 concrete and Fe-415 steel. Show the details of reinforcement.
2. Design a Circular column to carry a factored axial load of 800 KN. Use M20 concrete and Fe-415 steel. Show the details of reinforcement
3. Design a Square column 300mmx300mm size to carry a factored axial load of 800 KN. Use M20 concrete and Fe-415 steel. Show the details of reinforcement.
4. Design a Rectangular column of 300mm x 450mm to carry a factored axial load of 800 KN. Use M20 concrete and Fe-415 steel. Show the details of reinforcement.
Unit 7:
1. A rectangular simply supported beam of 300mm x 450mm size of 5m span is provided with 4 Nos of 20mm dia. Steel Bars. Check for Deflection. Use M20 & Fe415
2. Explain deflection limits in Beams and Slabs as per IS: 456-2000
3. A rectangular Cantilever beam of 300mm x 300mm size of 2m span is provided with 3 Nos of 20mm dia. Steel Bars. Check for Deflection. Use M20 & Fe415.
4. Explain Cracking in structural concrete members?
Unit 8:
1. Design Doglegged Staircase for a room of height 3.60m. Width of stairs is 1.50m. Take live load 4 KN/m2. Assume suitable Thread and Rise. Use M20 & Fe415.
2. Design one flight of dog legged stair case supported on beams of 300m wide. No. of steps are 12. Tread is 300mm. Rise is 150mm. Live load 5 KN/m2. Use M20 & Fe415.
3. Explain various types of staircases with plan and sections along with steel reinforcement details
4. Design a Cantilever Portico of span 5m and 6m long. Use M20 & Fe415
