A symmetrical reinforced concrete frame building 25 m × 25 m in plan is located in seismic zone IV on hard soil. The height of the building is 30 m. The base shear due to earthquake is __.
Assume,
Damping factor = 1 (Hard soil)
Response reduction factor = 4
Z = 0.24, I = 1.5, Total Dead load = 1,50,000 kN, Total Live load = 50,000 kN
Time period T = 0.09 × (h/√D)
Sa/g – Spatial acceleration coefficient = 1.851
16650 kN
2
16650 N
3
1.665 kN
4
166.50 kN