Important RGPV Question
CE-601, Structural Design & Drawing (RCC-I)
VI Sem, CE
UNIT 1 – Basic Principles of Structural Design
Q.1) List the assumptions made in the design of compression members. (RGPV MAY 2024)
Q.2) Explain about balanced, under reinforced and over reinforced sections with neat sketches as per limit state method. (RGPV MAY 2024)
Q.3) Design a singly reinforced section for a simply supported beam of effective span 5 m carrying an imposed load of 10 kN/m. Use M25 concrete and Fe 500 grade steel. Assume moderate exposure condition. Adopt working stress method. Design reinforcement for flexure and shear. Sketch the reinforcement details. (RGPV MAY 2024)
Q.4) Explain about the balanced section as per working stress method and limit state method for design of reinforced concrete structures. (RGPV MAY 2024)
Q.5) Explain different properties of Concrete and Steel as per IS:456-2000 clearly. (RGPV MAY 2023)
Q.6) Explain the under, over and balanced section with respect to limit state of RC Design. (RGPV MAY 2023)
Q.7) Briefly explain the principles of limit state. (RGPV MAY 2022)
Q.8) Define the following: i) Characteristics load ii) Characteristics strength iii) Partial safety factor (RGPV MAY 2022)
UNIT 2 – Design of Beams
Q.1) With a neat sketch, explain the force components that participate in the shear transfer mechanism at a flexural-shear crack location in a reinforced concrete beam. (RGPV MAY 2024)
Q.2) A simply supported beam of 6.5 m effective span is to carry a uniformly distributed load (dead load) of 20 kN/m including its self weight, and a live load of 30 kN/m. Design the beam for shear using Limit state method. Use M30 concrete and Fe 500 grade steel. Sketch the reinforcement details. (RGPV MAY 2024)
Q.3) Determine the moment of resistance of a doubly reinforced concrete beam section, 300 mm wide and 400 mm effective depth, reinforced with 2 bars of 16 mm diameter in compression zone and 3 bars of 20 mm diameter in tension zone. Determine the moment of resistance of the section. Use M 25 grade concrete and Fe 500 steel. (RGPV MAY 2024)
Q.4) A RC Beam 300 mm x 450 mm is reinforced with 3 bars of 20 mm diameter with an effective cover of 50 mm in tension zone. The ultimate shear at the section is 210 kN. Design the shear reinforcement Adopt M20 grade and Fe-415 Steel Sketch the reinforcement details. (RGPV MAY 2023)
Q.5) A doubly reinforced beam of width 250 mm and 550 mm effective depth is reinforced with 2 bars of 16mm diameter as compression reinforcement at an effective cover of 50mm and 4 bars of 20mm diameter as tension steel. Find ultimate moment of resistance of beam using M20 concrete and Fe415 steel. (RGPV MAY 2023)
Q.6) Determine the ultimate moment resistance of a T beam section using Fe-415 grade steel and M20 Concrete grade. Width of Flange is 800 mm Depth of slab 80 mm Width of rib 300 mm, Area of steel 4-20 on tension side. (RGPV MAY 2023)
Q.7) Design a R.C. beam to carry a load of 8 kN/m inclusive of its own weight on an effect span of 7 m keep the breadth to be 2/3rd of the effective depth. The permissible stresses in the concrete and steel are not to exceed than 6 N/mm² and 140 N/mm². Take m = 18. (RGPV MAY 2022)
Q.8) A T-beam of flange width of 1600 mm, Flange thickness 150mm, width of rib is 350 mm has an effective depth of 600 mm, the beam is reinforced with 6 bars of 20 mm diameter. Determine the ultimate moment of resistance. Use M25 concrete and Fe415 steel. (RGPV MAY 2022)
Q.9) Design a doubly reinforced beam of section 240×500mm to carry a bending moment of 80 kN-m. Assume clear cover at top a bottom as 30 mm and take m=18. Adopt working stress method. Assume the permissible stressed in the concrete and steel are not to exceed 5 N/mm² and 140 N/mm².(RGPV MAY 2022)
Q.10) A rectangular beam is 200 mm wide and 400 mm deep up to the center of reinforcement. With the 3-16mm dia of Fe415 steel. Find the ultimate uniformly distributed load which the beam can carry safely over a span of 5 m. Take M20 concrete. (RGPV MAY 2022)
UNIT 3 – Design of Slabs
Q.1) Design the slab for a hall 7.5 x 27m. The slab is supported on RCC beams of 300mm wide and spaced at 3m c/c. The LL on the slab may be taken as 2.75kN/m². Account for floor finishes and light partitions. Use M30 concrete and Fe 500 steel. Assume mild condition and sketch the details. (RGPV MAY 2024)
Q.2) Design a simply supported roof slab for a room 8m x 3.5 m clear in size with wall thickness 230 mm If the super imposed load is 5 kN/m² use M20 concrete and Fe415 steel (RGPV MAY 2023)
Q.3) Design a reinforced concrete slab for a room of clear dimension 6m x 5m. The slab is supported on walls of width 350 mm. The slab is carrying a live load of 6 kN/m² and floor finish is 1.5 kN/m². Use M25 concrete and Fe415 steel. The corners of the slab are held down. Sketch the layout of the reinforcement. (RGPV MAY 2022)
Q.4) Write down the design step with formulation of two-way slab with all necessary checks. (RGPV MAY 2022)
UNIT 4 – Columns & Footings
Q.1) Design a rectangular isolated stepped footing for a column of size 450 mm x 650 mm carrying an axial load of 4000 kN. The S.B.C. of the soil is 400 kN/m². Use M 30 grade concrete and Fe 500 grade steel. Assume severe exposure condition. (RGPV MAY 2024)
Q.2) A column 300 mm × 450 mm has an effective length of 3.5 m. It is subjected to an ultimate load of 1500 kN and an ultimate moment of 350 kN-M about its major axis. Determine the longitudinal and transverse reinforcement. Use M35 concrete and Fe 500 grade steel. Assume moderate exposure condition. Sketch the cross-section showing reinforcement details. (RGPV MAY 2024)
Q.3) Determine the reinforcement to be provided in a square column subjected to uni-axial bending with the following data (RGPV MAY 2023)
i) Column size 450 mm x 450 mm
ii) Grades M20 concrete and Fe415 steel
iii) Axial load 2500 KN
iv) Bending moment 200 kN-m
v) Reinforcement is arranged on two sides and four sides
Q.4) Design the reinforcement for the short column 400 mm x 600 mm Subjected to an ultimate axial load of 1600 kN together with ultimate moment of 120 kN-m and 90 kN-m about the major and minor axis respectively. Use M20 grade of concrete and Fe-415 grade steel. (RGPV MAY 2023)
Q.5) Design an isolated square footing for a column 450mm × 450 mm reinforced with 8.25 mm diameter bars carrying a service load of 2000 kN. The bearing capacity of the soil is 250 kN/m² at a depth of 1.2 m below ground. the footing is restricted to 2 m in one direction. Assume M20 grade concrete and Fe415 steel for footing, M25 grade concrete and Fe415 steel for column. Draw to scale: i) Longitudinal section showing the reinforcement details. ii) The plan showing the reinforcement details. (RGPV MAY 2022)
Q.6) Design a short circular column of 6 m to carry an axial load of 250 kN if both ends of the column are fully restrained using i) Lateral ties ii) Helical steel (RGPV MAY 2022)
Q.7) Explain the different types of footing with neat sketches (RGPV MAY 2022)
UNIT 5 – Staircases
Q.1) Design a staircase flight for an office type building to suit the following data:
Height between floors = 4
Mid landing is cantilevered out and the width is 1.5 m
Tread-300 mm and rise =150 mm
Adopt M-20 grade concrete and Fe-415 HYSD bars Sketch the details of reinforcement in the stair flight (RGPV MAY 2024)
Q.2) Design a Dog-legged stair for building in which the vertical distance between the floors is 3.6 m. The stair hall measures 2.5 m x 5 m. Allow the live load of 2.5 kN/m², use M20 concrete and Fe415 steel (RGPV MAY 2023)
Q.3) Design the stairs for a public building, supported on wall on one side and stringer beam on the other side. The horizontal span of stairs is 1.4 m. The risers are 120 mm and treads of 300 mm. Use M15 mix. (RGPV MAY 2022)
— Best of Luck for Exam —
