GTU 2170607 Design of Reinforced Concrete Structures Summer 2025 Question Paper & PDF

A G+7 multistoried braced frame building of 30 m height is having a plan dimension 20 m X 30 m, having bay width 5 m in both directions. Take Ground floor height as 5 m and all other floor height is 4 m. Take parapet height 1m. The location of building is in “Bhuj” city of Gujarat state with the terrain category III. The upwind slope is less than 30°, Take plinth is at 1m above G.L having no plinth beams but consider beams at 1m below G.L and footings are provided at 2 m below G.L. Assume overall depth of all beams = 500 mm and slab thickness 150 mm. Consider Design life of building as 100 years. Compute wind loads acting on an internal frame at node points and plot wind pressure diagram as per provisions of IS: 875(Part-III).

Write the criteria for Maximum spacing of shear reinforcement and Minimum shear reinforcement in the beam.

Calculate the basic dimensions of a circular water tank with flexible base for a capacity of 500000 liters, below ground level. Use M 30 grade concrete and Fe 415 grade steel. Take angle of internal friction is 30° and density of soil is 17 kN/m³.

For Q - 2 (b) above, Design the main vertical reinforcement at different depths.

A cantilever retaining wall has to retain level backfill. Fix the basic dimensions of the various elements of cantilever retaining wall using following data: Height of stem = 3.5m (excluding foundation depth) Angle of repose of soil = 30° Unit weight of soil = 17kN/m³ SBC of soil = 170kN/m² Friction coefficient between soil and concrete = 0.48.

Explain the effect of Irregularities on performance of RC buildings during earthquakes.

Design an interior panel of a flat slab of panel size 4.5 m X 6.0 m without providing drop and column head. Take the size of columns as 300 mm x 400 mm, Live load as 4 kN/m² and Floor finish as 1 kN/m². Total Height of column is 4.0 m including slab thickness. Use M 20 grade of concrete and Fe 415 grade of steel.

Calculate base shear for the three storey RC frame building (hospital) has size 30 m X 30 m located in Bhuj, using seismic coefficient method for following data: Type of soil = Hard Intensity of dead load = 15 kN/m² (Including all members) Intensity of imposed load = 5 kN/m² Storey height = 3.5 m Also determine the seismic forces and shears at each floor level.