Important RGPV Question
CE-702 (D) Structural Design and Drawing (RCC-II)
VII Sem, CE
UNIT-I
Q.1 A five storey three bay building, having bay width 6 m c/c, is to be located at Delhi. The thickness of the floor was 150 mm and live load on the floor is 5kN /m2 . Determine lateral forces on an inner frame due to wind load and earthquake loads. Using the following data: (RGPV Dec 2024)
Frame Spacing = 4.5 m c/c
Height of ground floor = 4.2m
Height of another floors = 3.7m
Floor Finish = 4 cm
Columns = 300mm x 600mm
Beam = 300mm x 400 mm
Q.2 What do you understand by sway and non sway buildings? Explain clearly. (RGPV Nov 2023)
Q.3 Discuss various factors to be considered for determination of the general dimension of the rectangular shear walls. (RGPV Dec 2020)
Q.4 What are the functions of retaining wall? Discuss the component of counterfort type retaining wall. (RGPV Dec 2020)
UNIT-II
Q.1 Design a counterfort type retaining wall with the following data:
Height of the wall above the ground level = 4m,
Safe bearing capacity of soil at site = 160 kN/m2,
angle of internal friction = 33°,
density of soils = 16kN/m3,
spacing of counterforts = 3m c/c.
Adopt M20 grade concrete and Fe415 HYSD grade of steel. Sketch the details of the reinforcement in the walls. (RGPV Dec 2024)
Q.2 Calculate the earth pressure acting on a 5m high cantilever wall. (RGPV Dec 2024)
Q.3 What are the functions of retaining wall? Discuss the component of counterfort type retaining wall. (RGPV Dec 2024)
Q.4 What do you understand by Retaining walls? Why it is provided? Also explain cantilever retaining wall. (RGPV Nov 2023)
Q.5 Design a stem of a cantilever retaining wall, retaining levelled earth 5.4m above base level. Take the density of soil is 16kN/m³, angle of repose is 30°, base width 4m, toe projection 1.0m and thickness of base slab 0.4m. (RGPV Nov 2023)
Q.6 Design the stem of a cantilever retaining wall to retain an earth embankment with a horizontal top 3.75 m above ground level. Density of earth = 19 kN/m³, Angle of internal friction phi = 30 deg SBC of soil 180 kN/m². Coefficient of internal friction between soil and concrete = 0.5. Adopt M20 grade concrete and Fe 415 grade steel. (RGPV Dec 2020)
UNIT-III
Q.1 Design a rectangular water tank 5m x 4 m with the depth of storage 3m, resting on ground and whose walls are rigidly joined at vertical and base. Free at top. Assume M20 concrete and Fe415 steel. Sketch the details of the reinforcement in the tank using IS code method. Assume suitable data. (RGPV Dec 2024)
Q.2 Design and detail the wall of a circular water tank of 200 KL capacity having rigid wall and base connections. Maximum depth of water is limited to 3.2m. (RGPV Nov 2023)
Q.3 Design top dome, top ring beam and cylindrical wall of an intze tank of capacity 1000 kL . litres. Use M30 grade of concrete and steel of grade Fe 415. (RGPV Nov 2023)
Q.4 Design a circular tank with flexible base for capacity of 4,00,000 liters. The depth of water is to be 4m, including a free board of 200 mm. Use M20 concrete and Fe 415 steel. Give details of reinforcement. (RGPV Dec 2020)
UNIT-IV
Q.1 Explain the difference between Silo and Bunker. Also discuss the design of hopper bottom of a bunker. (RGPV Dec 2024)
Q.2 Design the side wall of silo to store coal. Diameter of silo is 6m, height of cylindrical wall is 16 m, unit weight of coal 8.5kN/m³, µ = 0.22 and coefficient of friction is 0.4. Sketch the details. (RGPV Nov 2023)
Q.3 Explain the difference between Silo and Bunker. Also discuss the design of hopper bottom of a bunker. (RGPV Dec 2020)
UNIT-V
Q.1 A pretensioned prestress concrete beam of 6m span has cross section of 300mm x 500mm, is prestressed with 155 kN force at transfer. The cable has cross sectional area of 1500 mm² of steel and has a parabolic profile with a maximum eccentricity of 200 mm at the mid span. Determine the loss of prestress, given that: Es = 2.0 x 105 N/mm² and Ec = 3.1×104 N/mm². (RGPV Dec 2024)
Q.2 Design a slab bridge with carriage way of 12 m with Kerbs only for an effective span of 6.0 m for IRC 70 loading. Concrete used is M25 and HYSD bar of grade Fe415 are used. (RGPV Dec 2024)
Q.3 What do you understand by Pre-stressing? Also discuss its advantages and disadvantages. (RGPV Nov 2023)
Q.4 Design a solid slab bridge for class AA loading for the following data: (RGPV Nov 2023)
Clear span = 8.0m
Clear width of road ways 7.5m
Average thickness of wearing coat = 80mm
Q.5 A pretensioned prestress concrete beam of 7m span has cross section of 300 mm x 500 mm, is prestressed with 155 kN force at transfer. The cable has cross sectional area of 1500 mm² of steel and has a parabolic profile with a maximum eccentricity of 1500 mm at the mid span. Determine the loss of prestress, given that: Es 2.1 105 N/mm² and Ec3 x 10 N/mm². (RGPV Dec 2020)
Q.6 Design a slab bridge with carriage way of 12 m with Kerbs only for an effective span of 6.0 m for IRC 70 loading. Concrete used is M25 and HYSD bar of grade Fe415 are used. (RGPV Dec 2020)
EXTRA QUESTION
Q.1 Write short notes on any four of the following: (RGPV Dec 2024)
i) Pre and Post Tensioning System
ii) Cantilever retaining wall
iii) Types of water tank
iv) Losses in prestressing
v) Methods of prestressing
Q.2 A six storey three bay building is to be located at Delhi. Determine lateral forces on an inner frame due to wind load and earthquake loads. Using the following data: (RGPV Dec 2020)
Bay Width = 6 m c/c
Frame Spacing = 4.5 m c/c
Height of ground floor = 4.2 m
Height of other floor = 3.7 m
Live Load = 5 kN/m²
Floor Thickness = 15 cm
Floor Finish = 4 cm
Columns = 30 cm x 60 cm
Beam = 30 cm x 40 cm
Q.3 Write short notes on the following: (RGPV Dec 2020)
i) Types of prestressing
ii) IRC loads
iii) Post Tensioning System
— Best of Luck for Exam —
